/* roulang page: index */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 77, 28, 0.4);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: var(--douyu-cream);
            border: 1px solid var(--douyu-border);
            border-radius: 12px;
            width: 44px;
            height: 44px;
            font-size: 1.2rem;
            color: var(--douyu-ink);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--douyu-transition);
        }

        .nav-toggle:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        /* 移动端抽屉 */
        .offcanvas-douyu {
            background: var(--douyu-ink);
            color: #fff;
            padding: 24px 20px;
            max-width: 320px;
            width: 85%;
        }

        .offcanvas-douyu .offcanvas-header {
            padding: 0 0 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .offcanvas-douyu .offcanvas-title {
            font-weight: 700;
            color: #fff;
            font-size: 1.2rem;
        }

        .offcanvas-douyu .btn-close {
            filter: invert(1);
            opacity: 0.7;
        }

        .offcanvas-douyu .nav-mobile-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .offcanvas-douyu .nav-mobile-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 14px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--douyu-transition);
            border: 1px solid transparent;
        }

        .offcanvas-douyu .nav-mobile-list a i {
            color: var(--douyu-yellow);
            font-size: 0.8rem;
        }

        .offcanvas-douyu .nav-mobile-list a:hover,
        .offcanvas-douyu .nav-mobile-list a.active {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.1);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 88vh;
            display: flex;
            align-items: center;
            border-radius: var(--douyu-radius-xl);
            overflow: hidden;
            margin: 20px 16px 0;
            padding: 60px 40px;
            position: relative;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17, 19, 24, 0.82) 0%, rgba(17, 19, 24, 0.5) 50%, rgba(17, 19, 24, 0.3) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 28, 0.15);
            border: 1px solid rgba(255, 77, 28, 0.4);
            color: #ffb4a0;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--douyu-neon);
            animation: pulse-dot 1.6s infinite ease-in-out;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-title .highlight {
            color: var(--douyu-orange);
            position: relative;
        }

        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 30px;
        }

        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--douyu-transition);
            box-shadow: 0 6px 20px rgba(255, 77, 28, 0.35);
        }

        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 77, 28, 0.45);
            color: #fff;
        }

        .btn-douyu-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 14px 24px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--douyu-transition);
            backdrop-filter: blur(8px);
        }

        .btn-douyu-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-3px);
            color: #fff;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--douyu-yellow);
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.04em;
        }

        /* ========== 通用 Section ========== */
        .section-block {
            padding: 90px 0 70px;
            position: relative;
        }

        .section-block--cream {
            background: var(--douyu-cream);
        }

        .section-block--white {
            background: #fff;
        }

        .section-block--dark {
            background: var(--douyu-ink);
            color: #fff;
            border-radius: var(--douyu-radius-lg);
            margin: 0 16px;
            padding: 80px 40px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(255, 77, 28, 0.08);
            color: var(--douyu-orange);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.73rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 14px;
            border: 1px solid rgba(255, 77, 28, 0.15);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--douyu-ink);
            position: relative;
            padding-left: 20px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 5px;
            border-radius: 4px;
            background: var(--douyu-orange);
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--douyu-muted);
            max-width: 720px;
        }

        .section-block--dark .section-title {
            color: #fff;
        }

        .section-block--dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 服务卡片 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .service-card {
            grid-column: span 4;
            background: #fff;
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            padding: 28px 24px;
            transition: all var(--douyu-transition);
            box-shadow: var(--douyu-shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--douyu-orange);
            box-shadow: var(--douyu-shadow-lg);
        }

        .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 77, 28, 0.08);
            color: var(--douyu-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .service-card .service-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(17, 19, 24, 0.04);
            line-height: 1;
            pointer-events: none;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--douyu-ink);
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .service-card .service-features {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .service-card .service-features li {
            font-size: 0.82rem;
            color: var(--douyu-text);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-card .service-features li i {
            color: var(--douyu-neon);
            font-size: 0.65rem;
        }

        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-orange);
            transition: gap var(--douyu-transition);
        }

        .service-card .service-link:hover {
            gap: 12px;
            color: var(--douyu-orange-dark);
        }

        /* 非对称布局 */
        .service-card--wide {
            grid-column: span 5;
        }

        .service-card--narrow {
            grid-column: span 3;
        }

        .service-card--medium {
            grid-column: span 4;
        }

        /* ========== 数据条 ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
        }

        .stats-item {
            padding: 30px 20px;
            text-align: center;
            position: relative;
            border-right: 1px solid var(--douyu-border);
            transition: background var(--douyu-transition);
        }

        .stats-item:last-child {
            border-right: none;
        }

        .stats-item:hover {
            background: var(--douyu-cream);
        }

        .stats-item .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--douyu-orange);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stats-item .stat-label {
            font-size: 0.75rem;
            color: var(--douyu-muted);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }

        /* ========== 品牌介绍/深度内容 ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: start;
        }

        .deep-content .deep-left h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 12px;
        }

        .deep-content .deep-right p {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--douyu-text);
            margin-bottom: 16px;
        }

        .deep-content .deep-right p:last-child {
            margin-bottom: 0;
        }

        /* ========== 案例区 ========== */
        .case-layout {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 20px;
        }

        .case-main {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            border: 1px solid var(--douyu-border);
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
            display: flex;
            flex-direction: column;
        }

        .case-main:hover {
            box-shadow: var(--douyu-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--douyu-orange);
        }

        .case-main .case-img {
            height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .case-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 77, 28, 0.9);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .case-main .case-body {
            padding: 24px 28px;
            flex: 1;
        }

        .case-main .case-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--douyu-ink);
        }

        .case-main .case-body p {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .case-metrics {
            display: flex;
            gap: 20px;
            margin-bottom: 14px;
        }

        .case-metrics .metric {
            text-align: center;
        }

        .case-metrics .metric .m-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--douyu-orange);
        }

        .case-metrics .metric .m-label {
            font-size: 0.7rem;
            color: var(--douyu-muted);
        }

        .case-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .case-mini {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            padding: 18px 20px;
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
            display: flex;
            gap: 14px;
            align-items: center;
            flex: 1;
        }

        .case-mini:hover {
            transform: translateY(-3px);
            border-color: var(--douyu-orange);
            box-shadow: var(--douyu-shadow-md);
        }

        .case-mini .mini-thumb {
            width: 68px;
            height: 68px;
            border-radius: 12px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .case-mini .mini-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--douyu-ink);
        }

        .case-mini .mini-info p {
            font-size: 0.78rem;
            color: var(--douyu-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== 方案区 Tabs ========== */
        .scheme-tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .scheme-tabs .tab-btn {
            background: #fff;
            border: 1px solid var(--douyu-border);
            border-radius: 14px;
            padding: 12px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            color: var(--douyu-text);
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }

        .scheme-tabs .tab-btn:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .scheme-tabs .tab-btn.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.3);
        }

        .scheme-tabs .tab-btn.active:hover {
            color: #fff;
        }

        .scheme-panel {
            background: #fff;
            border-radius: var(--douyu-radius-lg);
            border: 1px solid var(--douyu-border);
            padding: 30px 32px;
            box-shadow: var(--douyu-shadow-sm);
            min-height: 260px;
        }

        .scheme-panel h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--douyu-ink);
        }

        .scheme-panel .scheme-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 8px;
        }

        .scheme-panel .scheme-list li {
            font-size: 0.85rem;
            color: var(--douyu-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scheme-panel .scheme-list li i {
            color: var(--douyu-neon);
            font-size: 0.6rem;
        }

        .scheme-steps {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .scheme-steps .step {
            background: var(--douyu-cream);
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.8rem;
            color: var(--douyu-text);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .scheme-steps .step .step-num {
            background: var(--douyu-orange);
            color: #fff;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ========== 新闻中心 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--douyu-border);
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 20px;
            align-items: start;
            transition: padding-left var(--douyu-transition);
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--douyu-cream);
            padding: 10px 14px;
            border-radius: 12px;
            text-align: center;
            min-width: 64px;
        }

        .news-date .day {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--douyu-orange);
            line-height: 1.1;
        }

        .news-date .month {
            font-size: 0.7rem;
            color: var(--douyu-muted);
            letter-spacing: 0.05em;
        }

        .news-item .news-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--douyu-ink);
            transition: color var(--douyu-transition);
        }

        .news-item:hover .news-body h4 {
            color: var(--douyu-orange);
        }

        .news-item .news-body p {
            font-size: 0.85rem;
            color: var(--douyu-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .news-item .news-read {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--douyu-orange);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px 12px;
            border-radius: 8px;
            transition: background var(--douyu-transition);
        }

        .news-item .news-read:hover {
            background: rgba(255, 77, 28, 0.08);
        }

        .news-side {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-lg);
            padding: 28px 24px;
            color: #fff;
            position: sticky;
            top: 100px;
        }

        .news-side h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .news-side-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-side-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .news-side-list li:last-child {
            border-bottom: none;
        }

        .news-side-list li .rank {
            background: rgba(255, 196, 46, 0.2);
            color: var(--douyu-yellow);
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.72rem;
            flex-shrink: 0;
        }

        /* ========== 额外板块 ========== */
        .battle-zone {
            background: linear-gradient(135deg, var(--douyu-orange) 0%, #C9300A 100%);
            border-radius: var(--douyu-radius-lg);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 16px;
        }

        .battle-zone::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .battle-zone h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .battle-zone p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 18px;
        }

        .battle-gifts {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .battle-gift {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .activity-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 16px;
        }

        .activity-card {
            background: #fff;
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
        }

        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
        }

        .activity-card .act-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .activity-card .act-body {
            padding: 16px 18px;
        }

        .activity-card .act-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--douyu-ink);
        }

        .activity-card .act-body p {
            font-size: 0.8rem;
            color: var(--douyu-muted);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: #fff;
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
        }

        .changelog-item {
            padding: 20px 24px;
            border-bottom: 1px solid var(--douyu-border);
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 20px;
            align-items: start;
        }

        .changelog-item:last-child {
            border-bottom: none;
        }

        .changelog-item .cl-version {
            background: var(--douyu-cream);
            padding: 6px 14px;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--douyu-orange);
            white-space: nowrap;
        }

        .changelog-item .cl-content h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--douyu-ink);
        }

        .changelog-item .cl-content p {
            font-size: 0.82rem;
            color: var(--douyu-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 26px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--douyu-border);
        }

        .timeline-item {
            padding: 0 0 28px 20px;
            position: relative;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--douyu-orange);
            border: 3px solid var(--douyu-cream);
            box-shadow: 0 0 0 3px var(--douyu-orange);
        }

        .timeline-item .tl-time {
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--douyu-orange);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }

        .timeline-item .tl-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--douyu-ink);
            margin-bottom: 4px;
        }

        .timeline-item .tl-desc {
            font-size: 0.82rem;
            color: var(--douyu-muted);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-layout {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: start;
        }

        .faq-left h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 10px;
        }

        .faq-left p {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.7;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
        }

        .faq-accordion .accordion-item:hover {
            border-color: var(--douyu-orange);
        }

        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--douyu-ink);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            border-radius: var(--douyu-radius-md);
            transition: all var(--douyu-transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--douyu-cream);
            color: var(--douyu-orange);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--douyu-orange);
        }

        .faq-accordion .accordion-body {
            font-size: 0.88rem;
            color: var(--douyu-muted);
            line-height: 1.75;
            padding: 14px 20px 18px;
        }

        /* ========== 联系/CTA ========== */
        .contact-section {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-lg);
            margin: 0 16px;
            padding: 60px 48px;
            color: #fff;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
        }

        .contact-info h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .contact-info p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .contact-detail {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .contact-detail .cd-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .contact-detail .cd-item i {
            color: var(--douyu-orange);
            width: 18px;
            text-align: center;
        }

        .contact-form .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--douyu-transition);
        }

        .contact-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .contact-form .form-control:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 28, 0.2);
            color: #fff;
        }

        .contact-form .form-label {
            font-size: 0.8rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 4px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            margin-top: 20px;
            border-radius: var(--douyu-radius-lg) var(--douyu-radius-lg) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 3fr 2fr 2fr 2fr;
            gap: 32px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 260px;
        }

        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--douyu-transition);
        }

        .footer-col ul li a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--douyu-transition);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stats-bar {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-item {
                border-bottom: 1px solid var(--douyu-border);
            }
            .stats-item:nth-child(3n) {
                border-right: none;
            }
            .service-card--wide,
            .service-card--narrow,
            .service-card--medium {
                grid-column: span 6;
            }
        }

        @media (max-width: 991.98px) {
            .nav-categories {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .hero-section {
                min-height: 70vh;
                padding: 40px 24px;
                margin: 16px 12px 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section-block {
                padding: 60px 0 50px;
            }
            .section-block--dark {
                padding: 50px 24px;
                margin: 0 12px;
            }
            .service-card {
                grid-column: span 6;
            }
            .service-card--wide,
            .service-card--narrow,
            .service-card--medium {
                grid-column: span 6;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .case-layout {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-side {
                position: static;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .contact-section {
                grid-template-columns: 1fr;
                gap: 32px;
                margin: 0 12px;
                padding: 40px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                padding: 0 8px;
                top: 8px;
                margin-top: 8px;
            }
            .nav-panel {
                padding: 8px 14px;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
                border-radius: 8px;
            }
            .hero-section {
                min-height: auto;
                padding: 48px 20px;
                margin: 12px 8px 0;
                border-radius: 20px;
            }
            .hero-title {
                font-size: 1.7rem;
                line-height: 1.2;
            }
            .hero-desc {
                font-size: 0.92rem;
                line-height: 1.8;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-douyu-primary,
            .btn-douyu-secondary {
                justify-content: center;
                width: 100%;
                padding: 12px 20px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.5rem;
                padding-left: 14px;
            }
            .section-title::before {
                width: 4px;
                top: 6px;
                bottom: 6px;
            }
            .section-block {
                padding: 48px 0 40px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card,
            .service-card--wide,
            .service-card--narrow,
            .service-card--medium {
                grid-column: span 1;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .stats-item {
                border-bottom: 1px solid var(--douyu-border);
                padding: 20px 12px;
            }
            .stats-item:nth-child(even) {
                border-right: none;
            }
            .stats-item .stat-num {
                font-size: 1.6rem;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .news-date {
                flex-direction: row;
                gap: 6px;
                min-width: auto;
                justify-content: center;
                padding: 6px 12px;
                align-self: flex-start;
            }
            .news-date .day {
                font-size: 1.1rem;
            }
            .case-metrics {
                flex-direction: column;
                gap: 8px;
            }
            .scheme-panel {
                padding: 20px 18px;
            }
            .scheme-steps {
                flex-direction: column;
                gap: 8px;
            }
            .battle-zone {
                padding: 32px 24px;
                margin: 0 8px;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .changelog-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .timeline-list {
                padding-left: 18px;
            }
            .timeline-item {
                padding-left: 12px;
            }
            .timeline-item::before {
                left: -14px;
                width: 10px;
                height: 10px;
            }
            .contact-section {
                padding: 32px 20px;
                margin: 0 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 519.98px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .stats-item {
                border-right: none;
                border-bottom: 1px solid var(--douyu-border);
            }
            .scheme-tabs {
                flex-direction: column;
            }
            .scheme-tabs .tab-btn {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-gap {
            margin-top: 72px;
            margin-bottom: 72px;
        }

        @media (min-width: 1200px) {
            .section-gap {
                margin-top: 100px;
                margin-bottom: 100px;
            }
        }

        .section-title {
            display: flex;
            align-items: flex-end;
            gap: 16px;
            margin-bottom: 36px;
        }

        .section-title .title-index {
            font-family: var(--douyu-font-mono);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-orange);
            letter-spacing: 0.08em;
            flex-shrink: 0;
            padding-top: 6px;
        }

        .section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--douyu-ink);
            margin: 0;
            letter-spacing: -0.02em;
        }

        .section-title .title-line {
            flex: 1;
            height: 1px;
            background: var(--douyu-border);
            margin-bottom: 10px;
            margin-left: 8px;
        }

        @media (min-width: 768px) {
            .section-title h2 {
                font-size: 2.5rem;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.3rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            box-shadow: 0 6px 20px rgba(255, 77, 28, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: var(--douyu-cream);
            border: 1px solid var(--douyu-border);
            border-radius: 12px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.2rem;
            color: var(--douyu-ink);
            flex-shrink: 0;
        }

        @media (max-width: 991.98px) {
            .nav-categories {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-panel {
                justify-content: space-between;
            }
        }

        .offcanvas-douyu {
            background: var(--douyu-ink);
            color: #fff;
            border: none;
            max-width: 340px;
        }

        .offcanvas-douyu .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 20px;
        }

        .offcanvas-douyu .offcanvas-title {
            font-weight: 700;
            color: #fff;
            font-size: 1.2rem;
        }

        .offcanvas-douyu .btn-close {
            filter: invert(1);
        }

        .offcanvas-douyu .nav-mobile-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 16px 20px;
        }

        .offcanvas-douyu .nav-mobile-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 14px;
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            transition: all var(--douyu-transition);
        }

        .offcanvas-douyu .nav-mobile-list a i {
            width: 22px;
            text-align: center;
            color: var(--douyu-orange);
        }

        .offcanvas-douyu .nav-mobile-list a:hover {
            background: rgba(255, 77, 28, 0.2);
            color: #fff;
        }

        .offcanvas-douyu .nav-mobile-list a.active {
            background: var(--douyu-orange);
            color: #fff;
        }

        .offcanvas-douyu .nav-mobile-list a.active i {
            color: #fff;
        }

        .offcanvas-douyu .offcanvas-cta {
            margin: 0 20px 20px;
            padding: 12px 20px;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            border-radius: 16px;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            display: block;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-douyu {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            padding: 20px 0;
            flex-wrap: wrap;
        }

        .breadcrumb-douyu a {
            color: var(--douyu-muted);
            transition: color var(--douyu-transition);
        }

        .breadcrumb-douyu a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-douyu .divider {
            color: var(--douyu-border);
            font-size: 0.7rem;
        }

        .breadcrumb-douyu .current {
            color: var(--douyu-ink);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .page-hero {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            margin-top: 16px;
            background-image: linear-gradient(135deg, rgba(17, 19, 24, 0.92) 0%, rgba(17, 19, 24, 0.7) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: var(--douyu-orange);
            opacity: 0.15;
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 28, 0.2);
            border: 1px solid rgba(255, 77, 28, 0.35);
            color: var(--douyu-orange);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .page-hero .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: var(--douyu-neon);
            border-radius: 50%;
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .page-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin: 0 0 16px;
            position: relative;
            z-index: 1;
        }

        .page-hero h1 .highlight {
            color: var(--douyu-orange);
        }

        @media (min-width: 768px) {
            .page-hero h1 {
                font-size: 3.5rem;
            }
        }

        @media (min-width: 1200px) {
            .page-hero h1 {
                font-size: 4rem;
            }
        }

        .page-hero .hero-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            line-height: 1.9;
            max-width: 720px;
            position: relative;
            z-index: 1;
            margin-bottom: 28px;
        }

        .page-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 16px rgba(255, 77, 28, 0.35);
        }

        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            box-shadow: 0 8px 24px rgba(255, 77, 28, 0.45);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 14px 28px;
            border-radius: 16px;
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--douyu-transition);
        }

        .btn-douyu-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== 赛程卡片 ========== */
        .schedule-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            overflow: hidden;
            transition: all var(--douyu-transition);
        }

        .schedule-card:hover {
            box-shadow: var(--douyu-shadow-lg);
            transform: translateY(-6px);
            border-color: var(--douyu-orange);
        }

        .schedule-card .card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .schedule-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .schedule-card:hover .card-img img {
            transform: scale(1.05);
        }

        .schedule-card .card-img .match-status {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: #fff;
            background: rgba(17, 19, 24, 0.75);
            backdrop-filter: blur(6px);
        }

        .schedule-card .card-img .match-status.live {
            background: var(--douyu-orange);
        }

        .schedule-card .card-img .match-status.upcoming {
            background: rgba(17, 19, 24, 0.75);
        }

        .schedule-card .card-body {
            padding: 20px 24px;
        }

        .schedule-card .match-game {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--douyu-orange);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .schedule-card .match-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .schedule-card .match-teams {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--douyu-text);
        }

        .schedule-card .match-teams .vs {
            font-family: var(--douyu-font-mono);
            font-size: 0.8rem;
            color: var(--douyu-muted);
            flex-shrink: 0;
        }

        .schedule-card .match-time {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            font-weight: 500;
        }

        .schedule-card .match-time i {
            color: var(--douyu-orange);
        }

        /* ========== 时间线列表 ========== */
        .timeline-list {
            position: relative;
            padding-left: 28px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--douyu-border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 0;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--douyu-orange);
            border-radius: 50%;
            border: 3px solid var(--douyu-cream);
            box-shadow: 0 0 0 2px var(--douyu-orange);
        }

        .timeline-item .match-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            padding: 18px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            flex-wrap: wrap;
            transition: all var(--douyu-transition);
        }

        .timeline-item .match-card:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: var(--douyu-orange);
            transform: translateX(4px);
        }

        .timeline-item .match-card .match-thumb {
            width: 90px;
            height: 60px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .timeline-item .match-info {
            flex: 1;
            min-width: 200px;
        }

        .timeline-item .match-info .match-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--douyu-orange);
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .timeline-item .match-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .timeline-item .match-info p {
            font-size: 0.88rem;
            color: var(--douyu-muted);
            margin: 0;
            line-height: 1.7;
        }

        .timeline-item .match-read {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--douyu-cream);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--douyu-text);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            border: 1px solid transparent;
        }

        .timeline-item .match-read:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        @media (max-width: 575.98px) {
            .timeline-item .match-card {
                flex-direction: column;
                gap: 12px;
            }
            .timeline-item .match-card .match-thumb {
                width: 100%;
                height: 120px;
            }
            .timeline-item .match-read {
                align-self: flex-start;
            }
        }

        /* ========== 数据统计 ========== */
        .stats-strip {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-lg);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
        }

        .stat-block {
            text-align: center;
            padding: 16px 12px;
            border-radius: var(--douyu-radius-sm);
            transition: all var(--douyu-transition);
            border: 1px solid transparent;
        }

        .stat-block:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .stat-block .stat-number {
            font-family: var(--douyu-font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--douyu-orange);
            letter-spacing: -0.03em;
            margin-bottom: 6px;
        }

        .stat-block .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ========== 游戏分类 ========== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
        }

        .game-tile {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            padding: 24px 16px;
            text-align: center;
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .game-tile:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: var(--douyu-orange);
            transform: translateY(-4px);
        }

        .game-tile .game-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 12px;
            background: var(--douyu-cream);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--douyu-orange);
            transition: all var(--douyu-transition);
        }

        .game-tile:hover .game-icon {
            background: var(--douyu-orange);
            color: #fff;
        }

        .game-tile .game-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--douyu-text);
        }

        .game-tile .game-count {
            font-size: 0.75rem;
            color: var(--douyu-muted);
            margin-top: 4px;
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            padding: 36px 32px;
        }

        .deep-content .deep-meta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 5px 14px;
            background: var(--douyu-cream);
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--douyu-orange);
            margin-bottom: 16px;
        }

        .deep-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 16px;
            line-height: 1.4;
        }

        .deep-content p {
            color: var(--douyu-muted);
            line-height: 2;
            margin-bottom: 16px;
        }

        .deep-content .deep-quote {
            border-left: 4px solid var(--douyu-orange);
            padding: 12px 20px;
            background: var(--douyu-cream);
            border-radius: 0 var(--douyu-radius-sm) var(--douyu-radius-sm) 0;
            font-style: italic;
            color: var(--douyu-ink);
            margin: 16px 0;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            background: var(--douyu-cream-dark);
            border-radius: var(--douyu-radius-xl);
            padding: 48px 32px;
        }

        .faq-left h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--douyu-ink);
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .faq-left p {
            color: var(--douyu-muted);
            font-size: 0.95rem;
        }

        .accordion-douyu .accordion-item {
            background: var(--douyu-white);
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
        }

        .accordion-douyu .accordion-item:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: rgba(255, 77, 28, 0.3);
        }

        .accordion-douyu .accordion-button {
            background: var(--douyu-white);
            color: var(--douyu-ink);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--douyu-radius-md) !important;
            transition: all var(--douyu-transition);
        }

        .accordion-douyu .accordion-button:not(.collapsed) {
            background: var(--douyu-white);
            color: var(--douyu-orange);
            box-shadow: none;
            border-bottom: 1px solid var(--douyu-border);
        }

        .accordion-douyu .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }

        .accordion-douyu .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            font-size: 0.8rem;
            color: var(--douyu-orange);
            transition: transform var(--douyu-transition);
        }

        .accordion-douyu .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            background-image: none;
        }

        .accordion-douyu .accordion-body {
            padding: 18px 22px;
            font-size: 0.92rem;
            color: var(--douyu-muted);
            line-height: 1.9;
            background: var(--douyu-white);
        }

        /* ========== CTA 联系区 ========== */
        .contact-section {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: var(--douyu-orange);
            opacity: 0.12;
            border-radius: 50%;
            pointer-events: none;
        }

        .contact-section .contact-info h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .contact-section .contact-info p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }

        .contact-section .contact-detail {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .contact-section .contact-detail i {
            width: 36px;
            height: 36px;
            background: rgba(255, 77, 28, 0.25);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--douyu-orange);
            flex-shrink: 0;
        }

        .contact-form .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 14px;
            padding: 14px 18px;
            color: #fff;
            font-size: 0.92rem;
            transition: all var(--douyu-transition);
        }

        .contact-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .contact-form .form-control:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--douyu-orange);
            box-shadow: 0 0 0 3px rgba(255, 77, 28, 0.2);
            outline: none;
        }

        .contact-form .form-label {
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 0.88rem;
            margin-bottom: 6px;
        }

        .contact-form select.form-control {
            color: #fff;
        }

        .contact-form select.form-control option {
            color: var(--douyu-ink);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 72px;
            border-radius: var(--douyu-radius-xl) var(--douyu-radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .footer-brand h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .footer-brand h4 span {
            color: var(--douyu-orange);
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--douyu-transition);
        }

        .footer-col ul li a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--douyu-transition);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom .sep {
            opacity: 0.4;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 575.98px) {
            .page-hero {
                padding: 36px 24px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
            }
            .deep-content {
                padding: 24px 18px;
            }
            .faq-wrapper {
                padding: 28px 18px;
            }
            .contact-section {
                padding: 32px 18px;
            }
            .breadcrumb-douyu {
                font-size: 0.78rem;
            }
            .timeline-list {
                padding-left: 22px;
            }
        }

        @media (min-width: 576px) and (max-width: 767.98px) {
            .page-hero h1 {
                font-size: 2.4rem;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 768px) and (max-width: 991.98px) {
            .page-hero h1 {
                font-size: 3rem;
            }
            .stats-strip {
                grid-template-columns: repeat(4, 1fr);
            }
        }

/* roulang page: category1 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 77, 28, 0.4);
            color: #fff;
        }

        /* 面包屑 */
        .breadcrumb-section {
            margin-top: 24px;
            margin-bottom: 8px;
        }

        .breadcrumb-douyu {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--douyu-white);
            border-radius: 14px;
            padding: 8px 18px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
        }

        .breadcrumb-douyu a {
            color: var(--douyu-muted);
        }

        .breadcrumb-douyu a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-douyu .separator {
            color: var(--douyu-border);
            font-size: 0.7rem;
        }

        .breadcrumb-douyu .current {
            color: var(--douyu-ink);
            font-weight: 600;
        }

        /* ========== Hero Banner ========== */
        .hero-banner {
            position: relative;
            border-radius: var(--douyu-radius-xl);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            margin-top: 16px;
            margin-bottom: 56px;
            box-shadow: var(--douyu-shadow-lg);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17, 19, 24, 0.85) 0%, rgba(17, 19, 24, 0.55) 40%, rgba(17, 19, 24, 0.25) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 64px 52px;
            max-width: 720px;
            color: #fff;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 28, 0.9);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-tag .live-dot {
            width: 8px;
            height: 8px;
            background: var(--douyu-neon);
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(23, 220, 197, 0.7);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(23, 220, 197, 0);
            }
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-title .highlight {
            color: var(--douyu-orange);
            position: relative;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 30px;
            line-height: 1.85;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 13px 30px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--douyu-transition);
            box-shadow: 0 6px 20px rgba(255, 77, 28, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 77, 28, 0.45);
            color: #fff;
        }

        .btn-douyu-outline-light {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 13px 30px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--douyu-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(8px);
        }

        .btn-douyu-outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== 区块通用 ========== */
        .section-block {
            padding: 48px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-header-left {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .section-number {
            font-family: var(--douyu-font-mono);
            font-size: 0.8rem;
            color: var(--douyu-orange);
            font-weight: 600;
            letter-spacing: 0.06em;
            padding-top: 6px;
            flex-shrink: 0;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            margin: 0;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--douyu-muted);
            margin: 8px 0 0;
            line-height: 1.7;
        }

        .section-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        /* ========== 筛选工具条 ========== */
        .filter-toolbar {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 20px 24px;
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--douyu-muted);
            white-space: nowrap;
        }

        .filter-select {
            background: var(--douyu-cream);
            border: 1px solid var(--douyu-border);
            border-radius: 12px;
            padding: 9px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
            appearance: auto;
        }

        .filter-select:hover {
            border-color: var(--douyu-orange);
        }

        .filter-chip {
            padding: 8px 16px;
            border-radius: 12px;
            background: var(--douyu-cream);
            border: 1px solid transparent;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: #fff;
        }

        .filter-chip.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        /* ========== 直播卡片错位网格 ========== */
        .live-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-bottom: 32px;
        }

        .live-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
            display: flex;
            flex-direction: column;
        }

        .live-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
        }

        .live-card:nth-child(even) {
            transform: translateY(24px);
        }

        .live-card:nth-child(even):hover {
            transform: translateY(18px);
        }

        .live-card-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .live-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .live-card:hover .live-card-media img {
            transform: scale(1.05);
        }

        .live-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(17, 19, 24, 0.8);
            color: #fff;
            padding: 5px 12px;
            border-radius: 10px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
        }

        .live-status {
            position: absolute;
            top: 14px;
            right: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(17, 19, 24, 0.8);
            color: #fff;
            padding: 5px 12px;
            border-radius: 10px;
            font-size: 0.72rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }

        .live-status .status-dot {
            width: 7px;
            height: 7px;
            background: var(--douyu-neon);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .live-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .live-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .live-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--douyu-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .live-card-meta .heat {
            color: var(--douyu-orange);
            font-weight: 600;
        }

        .live-card-desc {
            font-size: 0.88rem;
            color: var(--douyu-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .live-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--douyu-border);
        }

        .live-card-avatar {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .live-card-avatar .avatar-circle {
            width: 32px;
            height: 32px;
            background: var(--douyu-cream-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--douyu-orange);
            font-weight: 600;
        }

        .live-card-avatar .avatar-name {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--douyu-text);
        }

        .btn-watch-live {
            background: transparent;
            border: 1px solid var(--douyu-orange);
            color: var(--douyu-orange);
            padding: 8px 20px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            transition: all var(--douyu-transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-watch-live:hover {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        /* ========== 游戏类型快捷入口 ========== */
        .game-type-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            margin-bottom: 20px;
        }

        .game-type-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 20px 14px;
            text-align: center;
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .game-type-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-md);
            border-color: var(--douyu-orange);
        }

        .game-type-icon {
            font-size: 1.8rem;
            color: var(--douyu-orange);
            margin-bottom: 8px;
        }

        .game-type-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-ink);
            margin: 0;
        }

        .game-type-count {
            font-size: 0.72rem;
            color: var(--douyu-muted);
            margin: 4px 0 0;
        }

        /* ========== 热门主播推荐 ========== */
        .streamer-row {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--douyu-orange) var(--douyu-cream-dark);
            margin-bottom: 12px;
        }

        .streamer-row::-webkit-scrollbar {
            height: 6px;
        }

        .streamer-row::-webkit-scrollbar-track {
            background: var(--douyu-cream-dark);
            border-radius: 3px;
        }

        .streamer-row::-webkit-scrollbar-thumb {
            background: var(--douyu-orange);
            border-radius: 3px;
        }

        .streamer-mini-card {
            flex: 0 0 200px;
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 16px;
            text-align: center;
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
        }

        .streamer-mini-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-md);
            border-color: var(--douyu-orange);
        }

        .streamer-mini-card .mini-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--douyu-cream-dark);
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--douyu-orange);
            font-weight: 700;
        }

        .streamer-mini-card .mini-name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--douyu-ink);
            margin-bottom: 4px;
        }

        .streamer-mini-card .mini-info {
            font-size: 0.75rem;
            color: var(--douyu-muted);
            margin: 0;
        }

        /* ========== 数据展示 ========== */
        .data-strip {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 48px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            box-shadow: var(--douyu-shadow-lg);
            margin-bottom: 20px;
        }

        .data-item {
            text-align: center;
            padding: 0 12px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-value {
            font-family: var(--douyu-font-mono);
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .data-value .unit {
            font-size: 1rem;
            color: var(--douyu-orange);
            font-weight: 600;
            margin-left: 4px;
        }

        .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== 观看流程 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
        }

        .step-num {
            font-family: var(--douyu-font-mono);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--douyu-orange);
            opacity: 0.2;
            position: absolute;
            top: 16px;
            right: 22px;
            line-height: 1;
        }

        .step-icon {
            width: 48px;
            height: 48px;
            background: var(--douyu-cream);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--douyu-orange);
            margin-bottom: 16px;
        }

        .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 8px;
        }

        .step-desc {
            font-size: 0.88rem;
            color: var(--douyu-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-xl);
            padding: 48px 40px;
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
        }

        .accordion-douyu .accordion-item {
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--douyu-cream);
            transition: all var(--douyu-transition);
        }

        .accordion-douyu .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-douyu .accordion-button {
            background: transparent;
            font-weight: 600;
            color: var(--douyu-ink);
            padding: 18px 22px;
            font-size: 0.95rem;
            box-shadow: none;
            border: none;
        }

        .accordion-douyu .accordion-button:not(.collapsed) {
            background: var(--douyu-ink);
            color: #fff;
            box-shadow: none;
        }

        .accordion-douyu .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(1);
        }

        .accordion-douyu .accordion-body {
            background: var(--douyu-white);
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.8;
            padding: 18px 22px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: var(--douyu-radius-xl);
            padding: 60px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--douyu-shadow-lg);
            margin-bottom: 20px;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(17, 19, 24, 0.85);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* ========== 分页器 ========== */
        .pagination-douyu {
            display: flex;
            justify-content: center;
            gap: 8px;
            padding: 16px 0;
        }

        .page-link-douyu {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--douyu-white);
            border-radius: 12px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-text);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .page-link-douyu:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            transform: translateY(-2px);
        }

        .page-link-douyu.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        .page-link-douyu.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.75);
            margin-top: 56px;
            padding: 56px 0 24px;
            border-radius: var(--douyu-radius-xl) var(--douyu-radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            margin: 0;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: all var(--douyu-transition);
        }

        .footer-col ul a:hover {
            color: var(--douyu-orange);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1199.98px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .game-type-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .nav-panel {
                flex-wrap: wrap;
                padding: 10px 16px;
            }
            .nav-categories {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
            }
            .nav-cta {
                margin-left: auto;
            }
            .hero-banner {
                min-height: 420px;
            }
            .hero-content {
                padding: 40px 32px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .live-grid {
                grid-template-columns: 1fr;
            }
            .live-card:nth-child(even) {
                transform: translateY(0);
            }
            .live-card:nth-child(even):hover {
                transform: translateY(-6px);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 32px 24px;
            }
            .data-item:nth-child(2) {
                border-right: none;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .game-type-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 767.98px) {
            .hero-banner {
                min-height: 360px;
            }
            .hero-content {
                padding: 28px 20px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .filter-toolbar {
                padding: 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .data-strip {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding-bottom: 16px;
            }
            .data-item:last-child {
                border-bottom: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .game-type-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .faq-section {
                padding: 28px 20px;
            }
            .streamer-mini-card {
                flex: 0 0 160px;
            }
            .breadcrumb-section {
                margin-top: 16px;
            }
        }

        @media (max-width: 519.98px) {
            .nav-panel {
                padding: 8px 12px;
                gap: 8px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-cat-pill {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-douyu-primary,
            .btn-douyu-outline-light {
                padding: 11px 22px;
                font-size: 0.85rem;
                justify-content: center;
            }
            .game-type-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .live-card-body {
                padding: 16px;
            }
            .section-block {
                padding: 28px 0;
            }
        }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
                .feature-card { background: var(--douyu-white); border-radius: var(--douyu-radius-md); padding: 32px 28px; border: 1px solid var(--douyu-border); box-shadow: var(--douyu-shadow-sm); transition: all var(--douyu-transition); }
                .feature-card:hover { transform: translateY(-4px); border-color: var(--douyu-orange); box-shadow: var(--douyu-shadow-md); }
                .feature-icon { width: 48px; height: 48px; background: rgba(255,77,28,0.08); color: var(--douyu-orange); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px; }
                .feature-card h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 10px; color: var(--douyu-ink); }
                .feature-card p { font-size: 0.88rem; color: var(--douyu-muted); line-height: 1.75; margin: 0; }
                .streamer-recommend { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 12px; margin-top: 24px; scrollbar-width: thin; }
                .streamer-mini-card { flex: 0 0 220px; background: var(--douyu-white); border-radius: var(--douyu-radius-md); overflow: hidden; border: 1px solid var(--douyu-border); box-shadow: var(--douyu-shadow-sm); transition: all var(--douyu-transition); }
                .streamer-mini-card:hover { transform: translateY(-4px); border-color: var(--douyu-orange); box-shadow: var(--douyu-shadow-md); }
                .streamer-mini-card img { width: 100%; height: 120px; object-fit: cover; }
                .streamer-mini-body { padding: 12px 14px; }
                .streamer-mini-body h4 { font-size: 0.9rem; font-weight: 700; margin: 0 0 4px; color: var(--douyu-ink); }
                .streamer-mini-body p { font-size: 0.75rem; color: var(--douyu-muted); margin: 0; display: flex; align-items: center; gap: 6px; }
                .streamer-mini-body .live-dot { width: 8px; height: 8px; background: var(--douyu-neon); border-radius: 50%; display: inline-block; }
                .steps-flow { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 24px; }
                .step-card { background: var(--douyu-cream-dark); border-radius: var(--douyu-radius-md); padding: 28px 24px; position: relative; border: 1px solid var(--douyu-border); }
                .step-number { font-size: 2.2rem; font-weight: 800; color: rgba(255,77,28,0.2); line-height: 1; margin-bottom: 12px; }
                .step-card h4 { font-size: 1rem; font-weight: 700; margin: 0 0 8px; color: var(--douyu-ink); }
                .step-card p { font-size: 0.85rem; color: var(--douyu-muted); line-height: 1.7; margin: 0; }
                @media (max-width: 991.98px) { .feature-grid { grid-template-columns: 1fr; } .steps-flow { grid-template-columns: 1fr; } }

/* roulang page: category5 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 28, 0.4);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: var(--douyu-ink);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            font-size: 1.1rem;
            flex-shrink: 0;
            cursor: pointer;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 32px 0 12px;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--douyu-muted);
            transition: color var(--douyu-transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-custom .separator {
            color: var(--douyu-border);
        }

        .breadcrumb-custom .current {
            color: var(--douyu-orange);
            font-weight: 600;
        }

        /* ========== 分类页 Hero ========== */
        .category-hero {
            padding: 40px 0 60px;
            position: relative;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--douyu-white);
            border: 1px solid var(--douyu-border);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--douyu-ink);
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 20px;
        }

        .category-hero .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--douyu-neon);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(23, 220, 197, 0.5); }
            50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(23, 220, 197, 0); }
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--douyu-ink);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            max-width: 800px;
        }

        .category-hero h1 .highlight {
            color: var(--douyu-orange);
        }

        .category-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--douyu-muted);
            max-width: 720px;
            margin-bottom: 24px;
        }

        .category-hero .hero-bg-decoration {
            position: absolute;
            top: -20px;
            right: 0;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: -1;
            pointer-events: none;
        }

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 16px 24px;
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--douyu-muted);
            margin-right: 4px;
        }

        .filter-chip {
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--douyu-cream);
            border: 1px solid var(--douyu-border);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .filter-chip.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        .sort-select {
            padding: 8px 16px;
            border-radius: 12px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
        }

        /* ========== 技术条目列表 ========== */
        .tech-list-section {
            padding: 20px 0 60px;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .tech-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 28px;
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--douyu-orange);
            opacity: 0;
            transition: opacity var(--douyu-transition);
        }

        .tech-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: rgba(255, 77, 28, 0.3);
        }

        .tech-card:hover::before {
            opacity: 1;
        }

        .tech-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            gap: 12px;
            flex-wrap: wrap;
        }

        .tech-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--douyu-cream);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--douyu-orange);
            flex-shrink: 0;
        }

        .tech-tag {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--douyu-cream-dark);
            color: var(--douyu-muted);
            white-space: nowrap;
        }

        .tech-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .tech-card .tech-desc {
            font-size: 0.92rem;
            line-height: 1.85;
            color: var(--douyu-muted);
            margin-bottom: 16px;
            flex: 1;
        }

        .tech-params {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .param-badge {
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 8px;
            background: rgba(255, 77, 28, 0.06);
            color: var(--douyu-orange);
            font-family: var(--douyu-font-mono);
        }

        .tech-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-orange);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--douyu-transition);
        }

        .tech-link:hover {
            gap: 10px;
            color: var(--douyu-orange-dark);
        }

        /* ========== 技术架构深色区块 ========== */
        .tech-architecture {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 60px 40px;
            color: #fff;
            margin: 40px 0 60px;
        }

        .tech-architecture h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            color: #fff;
        }

        .tech-architecture .arch-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 600px;
            margin-bottom: 40px;
        }

        .arch-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .arch-step {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--douyu-radius-md);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--douyu-transition);
        }

        .arch-step:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 77, 28, 0.4);
            transform: translateY(-4px);
        }

        .arch-step .step-number {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--douyu-yellow);
            font-family: var(--douyu-font-mono);
            margin-bottom: 8px;
            display: block;
        }

        .arch-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .arch-step p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        /* ========== 性能指标 ========== */
        .perf-section {
            padding: 40px 0 60px;
        }

        .perf-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .perf-item {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            transition: all var(--douyu-transition);
        }

        .perf-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: rgba(255, 77, 28, 0.3);
        }

        .perf-item .perf-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--douyu-orange);
            font-family: var(--douyu-font-mono);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .perf-item .perf-label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--douyu-muted);
        }

        .perf-item .perf-unit {
            font-size: 0.7rem;
            color: var(--douyu-muted);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 40px 0 60px;
        }

        .faq-section .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            margin-bottom: 20px;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--douyu-white);
            box-shadow: var(--douyu-shadow-sm);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--douyu-ink);
            padding: 18px 24px;
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md) !important;
            transition: all var(--douyu-transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--douyu-orange);
            background: var(--douyu-white);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--douyu-orange);
            outline: none;
        }

        .faq-accordion .accordion-body {
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--douyu-muted);
            padding: 16px 24px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 40px 0 80px;
        }

        .cta-panel {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-xl);
            padding: 60px 40px;
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--douyu-ink);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }

        .cta-panel p {
            font-size: 1rem;
            color: var(--douyu-muted);
            margin-bottom: 0;
            max-width: 500px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary-custom {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .btn-primary-custom:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 28, 0.4);
            color: #fff;
        }

        .btn-secondary-custom {
            background: var(--douyu-ink);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .btn-secondary-custom:hover {
            background: var(--douyu-ink-soft);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            border-radius: var(--douyu-radius-xl) var(--douyu-radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h4 {
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .footer-brand h4 span {
            color: var(--douyu-orange);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--douyu-transition);
        }

        .footer-col ul li a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--douyu-transition);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .tech-grid {
                grid-template-columns: 1fr;
            }
            .arch-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .perf-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-categories {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-panel {
                padding: 10px 16px;
            }
            .nav-cta {
                display: none;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-bg-decoration {
                width: 200px;
                height: 200px;
            }
            .filter-bar {
                padding: 14px 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .tech-grid {
                grid-template-columns: 1fr;
            }
            .arch-flow {
                grid-template-columns: 1fr;
            }
            .perf-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-panel {
                padding: 40px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .perf-grid {
                grid-template-columns: 1fr;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== 移动端抽屉菜单 ========== */
        .offcanvas-custom {
            background: var(--douyu-ink);
            color: #fff;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 24px;
        }
        .offcanvas-custom .offcanvas-title {
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .offcanvas-custom .btn-close {
            filter: invert(1);
        }
        .offcanvas-custom .offcanvas-body {
            padding: 20px 24px;
        }
        .offcanvas-custom .nav-pill-mobile {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 8px;
            transition: all var(--douyu-transition);
        }
        .offcanvas-custom .nav-pill-mobile i {
            color: var(--douyu-orange);
            width: 20px;
            text-align: center;
        }
        .offcanvas-custom .nav-pill-mobile:hover {
            background: var(--douyu-orange);
            color: #fff;
        }
        .offcanvas-custom .nav-pill-mobile:hover i {
            color: #fff;
        }
        .offcanvas-custom .nav-pill-mobile.active {
            background: var(--douyu-orange);
            color: #fff;
        }
        .offcanvas-custom .nav-pill-mobile.active i {
            color: #fff;
        }

/* roulang page: category2 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }
        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }
        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }
        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-logo span {
            color: var(--douyu-orange);
        }
        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }
        .nav-categories::-webkit-scrollbar {
            display: none;
        }
        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }
        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }
        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }
        .nav-cat-pill:hover i {
            color: #fff;
        }
        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }
        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }
        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }
        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 28, 0.4);
        }
        .nav-cta:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .navbar-toggler-custom {
            flex-shrink: 0;
            background: var(--douyu-ink);
            color: #fff;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--douyu-orange);
        }
        .navbar-toggler-custom:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        /* Offcanvas 深色面板 */
        .offcanvas-custom {
            background: var(--douyu-ink);
            color: #fff;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 20px;
        }
        .offcanvas-custom .offcanvas-title {
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .offcanvas-custom .offcanvas-title .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--douyu-orange);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
        }
        .offcanvas-custom .btn-close {
            filter: invert(1);
            opacity: 0.8;
        }
        .offcanvas-custom .btn-close:hover {
            opacity: 1;
        }
        .offcanvas-custom .nav-mobile-list {
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .offcanvas-custom .nav-mobile-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.05);
            color: #eee;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
        }
        .offcanvas-custom .nav-mobile-list a i {
            color: var(--douyu-orange);
            width: 20px;
            text-align: center;
        }
        .offcanvas-custom .nav-mobile-list a:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }
        .offcanvas-custom .nav-mobile-list a:hover i {
            color: #fff;
        }
        .offcanvas-custom .nav-mobile-list a.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }
        .offcanvas-custom .nav-mobile-list a.active i {
            color: #fff;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 28px 0 4px;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--douyu-muted);
            transition: color var(--douyu-transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--douyu-orange);
        }
        .breadcrumb-custom .separator {
            color: var(--douyu-border);
            font-size: 0.7rem;
        }
        .breadcrumb-custom .current {
            color: var(--douyu-orange);
            font-weight: 600;
        }

        /* ========== Hero分类头 ========== */
        .category-hero {
            padding: 40px 0 50px;
        }
        .category-hero-card {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 52px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--douyu-shadow-lg);
        }
        .category-hero-card::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(23, 220, 197, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 28, 0.2);
            color: #FF8A66;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 77, 28, 0.3);
        }
        .category-hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: var(--douyu-neon);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(23, 220, 197, 0.5); }
            50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(23, 220, 197, 0); }
        }
        .category-hero-card h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            color: #fff;
            max-width: 800px;
        }
        .category-hero-card h1 .highlight {
            color: var(--douyu-orange);
        }
        .category-hero-card .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.75);
            max-width: 780px;
            margin-bottom: 28px;
        }
        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .category-hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-hero-stat-item .stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .category-hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 50px 0;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--douyu-orange);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-eyebrow::before {
            content: '';
            width: 20px;
            height: 3px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--douyu-muted);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        /* ========== 卖点卡 ========== */
        .feature-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-tile {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 28px 24px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
            position: relative;
            overflow: hidden;
        }
        .feature-tile::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--douyu-orange);
            transition: height var(--douyu-transition);
            border-radius: 0 0 3px 0;
        }
        .feature-tile:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: rgba(255, 77, 28, 0.3);
            transform: translateY(-4px);
        }
        .feature-tile:hover::after {
            height: 100%;
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 77, 28, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--douyu-orange);
            margin-bottom: 14px;
        }
        .feature-tile h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 8px;
        }
        .feature-tile p {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 筛选工具条 ========== */
        .filter-toolbar {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-btn {
            padding: 7px 16px;
            border-radius: 50px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: #fff;
        }
        .filter-btn.active {
            background: var(--douyu-ink);
            border-color: var(--douyu-ink);
            color: #fff;
        }
        .sort-select {
            padding: 7px 14px;
            border-radius: 50px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-white);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }
        .sort-select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 1px;
        }

        /* ========== 横向图文列表 ========== */
        .horizontal-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .h-card {
            display: flex;
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            overflow: hidden;
            transition: all var(--douyu-transition);
            gap: 20px;
        }
        .h-card:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: rgba(255, 77, 28, 0.3);
            transform: translateY(-3px);
        }
        .h-card-cover {
            flex-shrink: 0;
            width: 240px;
            min-height: 180px;
            position: relative;
            overflow: hidden;
        }
        .h-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .h-card:hover .h-card-cover img {
            transform: scale(1.06);
        }
        .h-card-cover .live-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            z-index: 2;
        }
        .h-card-cover .live-overlay .dot {
            width: 6px;
            height: 6px;
            background: var(--douyu-neon);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        .h-card-body {
            flex: 1;
            padding: 24px 24px 24px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .h-card-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .talent-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(255, 77, 28, 0.1);
            color: var(--douyu-orange);
        }
        .talent-tag.blue {
            background: rgba(23, 220, 197, 0.1);
            color: #0DAF9D;
        }
        .talent-tag.yellow {
            background: rgba(255, 196, 46, 0.15);
            color: #B8860B;
        }
        .h-card-date {
            font-size: 0.78rem;
            color: var(--douyu-muted);
        }
        .h-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .h-card-desc {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.75;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .h-card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .h-card-stats {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--douyu-muted);
        }
        .h-card-stats i {
            color: var(--douyu-orange);
            font-size: 0.75rem;
            margin-right: 4px;
        }
        .btn-enter-live {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }
        .btn-enter-live:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.35);
        }
        .btn-enter-live:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        /* ========== 分页器 ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .page-btn {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-white);
            color: var(--douyu-text);
            font-size: 0.88rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--douyu-transition);
        }
        .page-btn:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            background: #fff;
        }
        .page-btn.active {
            background: var(--douyu-orange);
            border-color: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 6px 14px rgba(255, 77, 28, 0.3);
        }
        .page-btn:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* ========== 主播卡矩阵 ========== */
        .streamer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .streamer-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--douyu-transition);
        }
        .streamer-card:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: rgba(255, 77, 28, 0.3);
            transform: translateY(-4px);
        }
        .streamer-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, var(--douyu-cream-dark), var(--douyu-orange));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            border: 2px solid var(--douyu-orange);
        }
        .streamer-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 4px;
        }
        .streamer-card .streamer-tag {
            font-size: 0.75rem;
            color: var(--douyu-orange);
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
        }
        .streamer-card .streamer-data {
            font-size: 0.78rem;
            color: var(--douyu-muted);
            display: flex;
            justify-content: center;
            gap: 16px;
        }
        .streamer-card .streamer-data i {
            color: var(--douyu-orange);
            margin-right: 4px;
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            background: var(--douyu-ink-soft);
            border-radius: var(--douyu-radius-xl);
            padding: 48px;
            color: #fff;
            box-shadow: var(--douyu-shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .deep-content::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .deep-content h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
        }
        .deep-content p {
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.9;
            font-size: 0.95rem;
            margin-bottom: 16px;
            max-width: 900px;
        }
        .deep-content .highlight-text {
            color: var(--douyu-orange);
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 32px;
            align-items: start;
        }
        .faq-intro .section-title {
            margin-bottom: 12px;
        }
        .faq-intro .section-desc {
            margin-bottom: 20px;
        }
        .faq-intro .faq-cta-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--douyu-orange);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--douyu-transition);
        }
        .faq-intro .faq-cta-link:hover {
            gap: 12px;
        }
        .accordion-custom .accordion-item {
            background: var(--douyu-white);
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
        }
        .accordion-custom .accordion-button {
            background: var(--douyu-white);
            color: var(--douyu-ink);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--douyu-radius-sm) !important;
            transition: all var(--douyu-transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--douyu-cream);
            color: var(--douyu-orange);
        }
        .accordion-custom .accordion-button:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-button::after {
            background-size: 14px;
            filter: invert(50%);
        }
        .accordion-custom .accordion-body {
            padding: 16px 22px 20px;
            color: var(--douyu-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 60px 0;
        }
        .cta-card {
            background: var(--douyu-orange);
            border-radius: var(--douyu-radius-xl);
            padding: 48px;
            text-align: center;
            color: #fff;
            box-shadow: 0 16px 40px rgba(255, 77, 28, 0.35);
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            color: #fff;
        }
        .cta-card p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            background: #fff;
            color: var(--douyu-orange);
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-secondary {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
        }
        .btn-cta-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand h4 span {
            color: var(--douyu-orange);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: all var(--douyu-transition);
        }
        .footer-col ul li a:hover {
            color: var(--douyu-orange);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--douyu-transition);
        }
        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .feature-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .streamer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991px) {
            .nav-categories {
                justify-content: flex-start;
            }
            .category-hero-card h1 {
                font-size: 2.2rem;
            }
            .category-hero-card {
                padding: 36px 28px;
            }
            .h-card {
                flex-direction: column;
                gap: 0;
            }
            .h-card-cover {
                width: 100%;
                min-height: 200px;
                max-height: 260px;
            }
            .h-card-body {
                padding: 20px;
            }
            .faq-wrap {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .deep-content {
                padding: 32px 28px;
            }
        }
        @media (max-width: 767px) {
            .feature-grid-4 {
                grid-template-columns: 1fr;
            }
            .streamer-grid {
                grid-template-columns: 1fr;
            }
            .category-hero-card h1 {
                font-size: 1.8rem;
            }
            .category-hero-card {
                padding: 28px 20px;
            }
            .category-hero-stats {
                gap: 16px;
            }
            .category-hero-stat-item .stat-value {
                font-size: 1.2rem;
            }
            .filter-toolbar {
                padding: 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .deep-content {
                padding: 24px 18px;
            }
            .breadcrumb-section {
                padding-top: 16px;
            }
        }
        @media (max-width: 575px) {
            .nav-panel {
                padding: 8px 14px;
                gap: 8px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .h-card-cover {
                min-height: 160px;
            }
        }

/* roulang page: category4 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 77, 28, 0.4);
        }

        .navbar-toggler-custom {
            display: none;
            background: var(--douyu-ink);
            color: #fff;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--douyu-transition);
        }

        .navbar-toggler-custom:hover {
            background: var(--douyu-orange);
        }

        /* ========== 移动端 Offcanvas ========== */
        .mobile-offcanvas {
            position: fixed;
            top: 0;
            right: -100%;
            width: 320px;
            max-width: 85vw;
            height: 100vh;
            background: var(--douyu-ink);
            z-index: 1100;
            transition: right 0.35s ease;
            padding: 24px 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-offcanvas.show {
            right: 0;
        }

        .mobile-offcanvas-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .mobile-offcanvas-backdrop.show {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-offcanvas .nav-cat-pill {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 14px 18px;
            border-radius: 14px;
            font-size: 1rem;
            width: 100%;
        }

        .mobile-offcanvas .nav-cat-pill i {
            color: var(--douyu-orange);
            font-size: 1rem;
        }

        .mobile-offcanvas .nav-cat-pill.active {
            background: var(--douyu-orange);
            border-color: var(--douyu-orange);
        }

        .mobile-offcanvas .nav-cta-mobile {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 14px 20px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            margin-top: 12px;
            width: 100%;
            cursor: pointer;
        }

        .mobile-offcanvas-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--douyu-transition);
        }

        .mobile-offcanvas-close:hover {
            background: var(--douyu-orange);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            padding: 8px 0;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--douyu-muted);
            transition: color var(--douyu-transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-custom .separator {
            color: var(--douyu-muted);
            font-size: 0.7rem;
        }

        .breadcrumb-custom .current {
            color: var(--douyu-ink);
            font-weight: 600;
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            background-image: linear-gradient(rgba(17, 19, 24, 0.78), rgba(17, 19, 24, 0.82)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--douyu-radius-xl);
            padding: 60px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-bottom: 40px;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: var(--douyu-orange);
            border-radius: 50%;
            opacity: 0.12;
            pointer-events: none;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--douyu-neon);
            color: var(--douyu-ink);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .category-hero .hero-tag .live-dot {
            width: 8px;
            height: 8px;
            background: var(--douyu-ink);
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .category-hero h1 .highlight {
            color: var(--douyu-orange);
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* ========== 通用按钮 ========== */
        .btn-douyu {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .btn-douyu-primary {
            background: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .btn-douyu-primary:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 77, 28, 0.4);
        }

        .btn-douyu-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .btn-douyu-outline:hover {
            background: #fff;
            color: var(--douyu-ink);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-douyu-dark {
            background: var(--douyu-ink);
            color: #fff;
            box-shadow: 0 4px 14px rgba(17, 19, 24, 0.3);
        }

        .btn-douyu-dark:hover {
            background: var(--douyu-ink-soft);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(17, 19, 24, 0.4);
        }

        /* ========== 分类介绍区 ========== */
        .category-intro-section {
            margin-bottom: 50px;
        }

        .category-intro-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 32px 36px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
        }

        .category-intro-card p {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--douyu-text);
            margin-bottom: 0;
        }

        /* ========== 筛选工具条 ========== */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
            background: var(--douyu-white);
            padding: 16px 20px;
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
        }

        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-toolbar .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-muted);
            margin-right: 4px;
        }

        .filter-chip {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--douyu-cream);
            color: var(--douyu-text);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .filter-chip.active {
            background: var(--douyu-orange);
            color: #fff;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-sort select {
            padding: 8px 14px;
            border-radius: 12px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-cream);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            font-family: var(--douyu-font-sans);
        }

        /* ========== 主播矩阵 ========== */
        .streamer-grid-section {
            margin-bottom: 60px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 28px;
        }

        .section-heading .heading-bar {
            width: 5px;
            height: 40px;
            background: var(--douyu-orange);
            border-radius: 6px;
            flex-shrink: 0;
        }

        .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0;
            letter-spacing: -0.01em;
        }

        .section-heading .heading-sub {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            margin-left: auto;
            align-self: flex-end;
        }

        .streamer-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .streamer-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            overflow: hidden;
            transition: all var(--douyu-transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .streamer-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
        }

        .streamer-card .card-image-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .streamer-card .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .streamer-card:hover .card-image-wrap img {
            transform: scale(1.06);
        }

        .streamer-card .status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 3;
        }

        .status-badge.signed {
            background: var(--douyu-orange);
            color: #fff;
        }

        .status-badge.rising {
            background: var(--douyu-neon);
            color: var(--douyu-ink);
        }

        .status-badge.verified {
            background: var(--douyu-yellow);
            color: var(--douyu-ink);
        }

        .status-badge.new {
            background: var(--douyu-ink);
            color: #fff;
        }

        .streamer-card .card-body-content {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .streamer-card .card-date {
            font-size: 0.72rem;
            color: var(--douyu-muted);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
            font-weight: 500;
        }

        .streamer-card .card-category-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--douyu-cream);
            color: var(--douyu-orange);
            margin-bottom: 8px;
            align-self: flex-start;
        }

        .streamer-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .streamer-card .card-stats {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .streamer-card .stat-item {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--douyu-ink);
        }

        .streamer-card .stat-item i {
            color: var(--douyu-orange);
            font-size: 0.72rem;
        }

        .streamer-card .card-summary {
            font-size: 0.85rem;
            color: var(--douyu-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .streamer-card .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-orange);
            transition: all var(--douyu-transition);
        }

        .streamer-card .read-more-link i {
            font-size: 0.75rem;
            transition: transform var(--douyu-transition);
        }

        .streamer-card .read-more-link:hover {
            color: var(--douyu-orange-dark);
        }

        .streamer-card .read-more-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 扶持计划 ========== */
        .support-plan-section {
            margin-bottom: 60px;
        }

        .support-plan-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 0.9fr;
            gap: 20px;
        }

        .support-plan-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 28px 26px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
            position: relative;
            overflow: hidden;
        }

        .support-plan-card.featured {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .support-plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
        }

        .support-plan-card .plan-number {
            font-size: 2.8rem;
            font-weight: 800;
            font-family: var(--douyu-font-mono);
            color: var(--douyu-orange);
            opacity: 0.7;
            line-height: 1;
            margin-bottom: 14px;
        }

        .support-plan-card.featured .plan-number {
            color: var(--douyu-yellow);
        }

        .support-plan-card .plan-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: inherit;
        }

        .support-plan-card .plan-desc {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .support-plan-card.featured .plan-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .support-plan-card .plan-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .support-plan-card .plan-points li {
            font-size: 0.85rem;
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--douyu-text);
        }

        .support-plan-card.featured .plan-points li {
            color: rgba(255, 255, 255, 0.85);
        }

        .support-plan-card .plan-points li i {
            color: var(--douyu-orange);
            margin-top: 4px;
            font-size: 0.7rem;
        }

        /* ========== 成长路径 ========== */
        .growth-path-section {
            margin-bottom: 60px;
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 50px 40px;
            color: #fff;
        }

        .growth-path-section .section-heading h2 {
            color: #fff;
        }

        .growth-path-section .section-heading .heading-sub {
            color: rgba(255, 255, 255, 0.6);
        }

        .growth-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
            margin-top: 28px;
        }

        .growth-step {
            text-align: center;
            padding: 22px 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--douyu-radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--douyu-transition);
        }

        .growth-step:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--douyu-orange);
            transform: translateY(-3px);
        }

        .growth-step .step-number {
            width: 44px;
            height: 44px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--douyu-font-mono);
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 12px;
        }

        .growth-step .step-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .growth-step .step-desc {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            margin-bottom: 60px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-md);
        }

        .stat-block {
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: all var(--douyu-transition);
        }

        .stat-block:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 25%;
            height: 50%;
            width: 1px;
            background: var(--douyu-border);
        }

        .stat-block:hover {
            background: var(--douyu-cream);
        }

        .stat-block .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            font-family: var(--douyu-font-mono);
            color: var(--douyu-orange);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-block .stat-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-muted);
        }

        /* ========== 签约流程 ========== */
        .signup-process-section {
            margin-bottom: 60px;
        }

        .signup-process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .process-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 28px 26px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            text-align: center;
            transition: all var(--douyu-transition);
            position: relative;
        }

        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
        }

        .process-card .process-icon {
            width: 60px;
            height: 60px;
            background: var(--douyu-cream);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--douyu-orange);
            transition: all var(--douyu-transition);
        }

        .process-card:hover .process-icon {
            background: var(--douyu-orange);
            color: #fff;
        }

        .process-card .process-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 8px;
        }

        .process-card .process-desc {
            font-size: 0.88rem;
            color: var(--douyu-muted);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 60px;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.4fr;
            gap: 36px;
        }

        .faq-left h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 12px;
        }

        .faq-left p {
            color: var(--douyu-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .accordion-custom .accordion-item {
            background: var(--douyu-white);
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--douyu-orange);
        }

        .accordion-custom .accordion-button {
            background: var(--douyu-white);
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--douyu-ink);
            border: none;
            box-shadow: none;
            transition: all var(--douyu-transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--douyu-cream);
            color: var(--douyu-orange);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--douyu-orange);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-button::after {
            background-size: 1.1rem;
            transition: all var(--douyu-transition);
        }

        .accordion-custom .accordion-body {
            padding: 16px 22px 20px;
            font-size: 0.9rem;
            color: var(--douyu-muted);
            line-height: 1.75;
        }

        /* ========== CTA 区域 ========== */
        .cta-section-custom {
            margin-bottom: 60px;
        }

        .cta-card {
            background: linear-gradient(135deg, #1a1c22 0%, #2d1a14 100%);
            border-radius: var(--douyu-radius-xl);
            padding: 52px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -30px;
            width: 220px;
            height: 220px;
            background: var(--douyu-orange);
            border-radius: 50%;
            opacity: 0.15;
            pointer-events: none;
        }

        .cta-card .cta-text {
            position: relative;
            z-index: 2;
        }

        .cta-card .cta-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-card .cta-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            max-width: 520px;
        }

        .cta-card .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* ========== 分页器 ========== */
        .pagination-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
        }

        .pagination-custom .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--douyu-white);
            color: var(--douyu-text);
            border: 1px solid var(--douyu-border);
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .pagination-custom .page-link-custom:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
            transform: translateY(-2px);
        }

        .pagination-custom .page-link-custom.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        .pagination-custom .page-link-custom.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 52px 0 28px;
            margin-top: 20px;
            border-radius: var(--douyu-radius-xl) var(--douyu-radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand h4 {
            color: #fff;
            font-weight: 800;
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--douyu-transition);
        }

        .footer-col ul li a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--douyu-transition);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .streamer-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .growth-steps {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 992px) {
            .nav-categories {
                gap: 4px;
            }
            .nav-cat-pill {
                padding: 7px 10px;
                font-size: 0.75rem;
            }
            .category-hero h1 {
                font-size: 2.4rem;
            }
            .support-plan-grid {
                grid-template-columns: 1fr 1fr;
            }
            .support-plan-card.featured {
                grid-column: span 2;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-block:nth-child(2)::after {
                display: none;
            }
            .signup-process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-categories {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .category-hero {
                padding: 40px 24px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .streamer-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .growth-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .support-plan-grid {
                grid-template-columns: 1fr;
            }
            .support-plan-card.featured {
                grid-column: span 1;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .signup-process-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 36px 24px;
            }
        }

        @media (max-width: 576px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .site-header {
                padding: 0 10px;
                top: 8px;
                margin-top: 8px;
            }
            .nav-panel {
                padding: 8px 12px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .category-hero {
                padding: 32px 18px;
                border-radius: var(--douyu-radius-lg);
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .streamer-card-grid {
                grid-template-columns: 1fr;
            }
            .growth-steps {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-block:not(:last-child)::after {
                display: none;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
            .growth-path-section {
                padding: 32px 20px;
            }
        }

/* roulang page: category6 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 28, 0.4);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 24px;
            margin-top: 80px;
            border-radius: var(--douyu-radius-xl) var(--douyu-radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #fff;
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .footer-brand h4 span {
            color: var(--douyu-orange);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--douyu-transition);
        }

        .footer-col ul li a:hover {
            color: var(--douyu-orange);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--douyu-transition);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding: 32px 0 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--douyu-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--douyu-muted);
            transition: color var(--douyu-transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-custom .sep {
            color: var(--douyu-border);
        }

        .breadcrumb-custom .current {
            color: var(--douyu-text);
            font-weight: 600;
        }

        /* ========== 分类页 Hero ========== */
        .category-hero {
            padding: 40px 0 48px;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 77, 28, 0.1);
            color: var(--douyu-orange-dark);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: var(--douyu-ink);
            margin-bottom: 20px;
            max-width: 800px;
        }

        .category-hero h1 .highlight {
            color: var(--douyu-orange);
        }

        .category-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--douyu-muted);
            max-width: 760px;
            margin-bottom: 28px;
        }

        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
        }

        .category-hero .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .category-hero .hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--douyu-ink);
            font-family: var(--douyu-font-mono);
        }

        .category-hero .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--douyu-muted);
        }

        /* ========== 热榜侧栏 + 话题列表 ========== */
        .community-layout {
            padding: 24px 0 64px;
        }

        .community-layout .row {
            --bs-gutter-y: 24px;
        }

        .hot-rank-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 24px;
            position: sticky;
            top: 100px;
        }

        .hot-rank-card .rank-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-rank-card .rank-card-title i {
            color: var(--douyu-orange);
        }

        .hot-rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-rank-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--douyu-border);
            transition: background var(--douyu-transition);
        }

        .hot-rank-list li:last-child {
            border-bottom: none;
        }

        .hot-rank-list li .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--douyu-cream);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            font-family: var(--douyu-font-mono);
            flex-shrink: 0;
            color: var(--douyu-muted);
        }

        .hot-rank-list li:nth-child(1) .rank-num {
            background: var(--douyu-orange);
            color: #fff;
        }

        .hot-rank-list li:nth-child(2) .rank-num {
            background: #FF8A5C;
            color: #fff;
        }

        .hot-rank-list li:nth-child(3) .rank-num {
            background: var(--douyu-yellow);
            color: var(--douyu-ink);
        }

        .hot-rank-list li .rank-info {
            flex: 1;
            min-width: 0;
        }

        .hot-rank-list li .rank-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--douyu-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--douyu-transition);
        }

        .hot-rank-list li:hover .rank-title {
            color: var(--douyu-orange);
        }

        .hot-rank-list li .rank-meta {
            font-size: 0.75rem;
            color: var(--douyu-muted);
            margin-top: 2px;
            display: flex;
            gap: 8px;
        }

        /* 话题卡片 */
        .topic-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            padding: 22px;
            margin-bottom: 20px;
            transition: all var(--douyu-transition);
            position: relative;
            overflow: hidden;
        }

        .topic-card:hover {
            box-shadow: var(--douyu-shadow-lg);
            border-color: var(--douyu-orange);
            transform: translateY(-4px);
        }

        .topic-card .topic-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .topic-card .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(255, 77, 28, 0.08);
            color: var(--douyu-orange-dark);
        }

        .topic-card .topic-tag.tag-blue {
            background: rgba(23, 220, 197, 0.1);
            color: #0AA69B;
        }

        .topic-card .topic-tag.tag-yellow {
            background: rgba(255, 196, 46, 0.15);
            color: #B8860B;
        }

        .topic-card .topic-tag.tag-purple {
            background: rgba(155, 89, 182, 0.1);
            color: #8E44AD;
        }

        .topic-card .topic-hot {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--douyu-orange);
            background: rgba(255, 77, 28, 0.05);
            padding: 4px 10px;
            border-radius: 999px;
        }

        .topic-card .topic-hot i {
            font-size: 0.65rem;
        }

        .topic-card .topic-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--douyu-ink);
            line-height: 1.45;
            margin-bottom: 8px;
            transition: color var(--douyu-transition);
        }

        .topic-card:hover .topic-title {
            color: var(--douyu-orange);
        }

        .topic-card .topic-excerpt {
            font-size: 0.88rem;
            line-height: 1.75;
            color: var(--douyu-muted);
            margin-bottom: 14px;
        }

        .topic-card .topic-footer {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--douyu-muted);
            border-top: 1px solid var(--douyu-border);
            padding-top: 12px;
        }

        .topic-card .topic-footer span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .topic-card .topic-footer i {
            font-size: 0.72rem;
        }

        .topic-card .topic-link {
            margin-left: auto;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--douyu-orange);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--douyu-transition);
        }

        .topic-card .topic-link:hover {
            gap: 8px;
            color: var(--douyu-orange-dark);
        }

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 16px 0;
            margin-bottom: 24px;
            border-bottom: 1px solid var(--douyu-border);
        }

        .filter-bar .filter-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--douyu-muted);
            white-space: nowrap;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 12px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-white);
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .filter-btn:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .filter-btn.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        /* ========== 社区互动玩法 ========== */
        .community-features {
            padding: 64px 0;
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-xl);
            box-shadow: var(--douyu-shadow-sm);
            border: 1px solid var(--douyu-border);
            margin-top: 24px;
        }

        .community-features .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 77, 28, 0.08);
            color: var(--douyu-orange-dark);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--douyu-muted);
            max-width: 600px;
            margin-bottom: 0;
        }

        .feature-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 20px;
            border-radius: var(--douyu-radius-md);
            background: var(--douyu-cream);
            transition: all var(--douyu-transition);
            height: 100%;
        }

        .feature-item:hover {
            background: var(--douyu-ink);
            transform: translateY(-4px);
        }

        .feature-item .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--douyu-orange);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .feature-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0;
            transition: color var(--douyu-transition);
        }

        .feature-item p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: var(--douyu-muted);
            margin: 0;
            transition: color var(--douyu-transition);
        }

        .feature-item:hover h3,
        .feature-item:hover p {
            color: #fff;
        }

        /* ========== 分页 ========== */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 24px 0;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .page-btn:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .page-btn.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        .page-btn.prev-next {
            width: auto;
            padding: 0 16px;
            font-size: 0.8rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
        }

        .faq-section .faq-title-col h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--douyu-ink);
            margin-bottom: 12px;
        }

        .faq-section .faq-title-col p {
            font-size: 0.95rem;
            color: var(--douyu-muted);
            max-width: 400px;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--douyu-white);
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--douyu-shadow-md);
        }

        .accordion-custom .accordion-button {
            background: var(--douyu-white);
            color: var(--douyu-ink);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--douyu-transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 77, 28, 0.05);
            color: var(--douyu-orange-dark);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border: none;
        }

        .accordion-custom .accordion-body {
            padding: 16px 22px 20px;
            font-size: 0.88rem;
            line-height: 1.8;
            color: var(--douyu-muted);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 32px 0 64px;
        }

        .cta-card {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 48px 48px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 77, 28, 0.12);
            pointer-events: none;
        }

        .cta-card .cta-content {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .cta-card .cta-content h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .cta-card .cta-content p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
            max-width: 500px;
        }

        .cta-card .cta-btn {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 14px 30px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.35);
        }

        .cta-card .cta-btn:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 24px rgba(255, 77, 28, 0.45);
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-categories {
                justify-content: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                flex-wrap: wrap;
                padding: 12px 16px;
            }
            .nav-categories {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 4px 0;
            }
            .nav-cta {
                margin-left: auto;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-stats {
                gap: 16px 28px;
            }
            .cta-card {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-card .cta-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .nav-panel {
                border-radius: var(--douyu-radius-md);
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
                border-radius: 12px;
            }
            .category-hero {
                padding: 28px 0 32px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero .hero-desc {
                font-size: 0.92rem;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .hot-rank-card {
                position: static;
                margin-bottom: 24px;
            }
            .topic-card {
                padding: 18px;
            }
            .topic-card .topic-title {
                font-size: 1rem;
            }
            .community-features {
                padding: 40px 16px;
                border-radius: var(--douyu-radius-lg);
            }
            .feature-item {
                padding: 16px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                padding: 5px 10px;
                font-size: 0.72rem;
            }
            .cta-card {
                border-radius: var(--douyu-radius-lg);
            }
            .site-footer {
                padding: 40px 0 20px;
                margin-top: 48px;
                border-radius: var(--douyu-radius-lg) var(--douyu-radius-lg) 0 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

/* roulang page: category7 */
:root {
            --douyu-orange: #FF4D1C;
            --douyu-orange-dark: #E53E0F;
            --douyu-ink: #111318;
            --douyu-ink-soft: #1D2028;
            --douyu-cream: #F7F4EF;
            --douyu-cream-dark: #EEEBE4;
            --douyu-white: #FFFFFF;
            --douyu-neon: #17DCC5;
            --douyu-yellow: #FFC42E;
            --douyu-text: #2C2E35;
            --douyu-muted: #6B7280;
            --douyu-border: rgba(17, 19, 24, 0.08);
            --douyu-shadow-sm: 0 4px 12px rgba(17, 19, 24, 0.04);
            --douyu-shadow-md: 0 8px 24px rgba(17, 19, 24, 0.06);
            --douyu-shadow-lg: 0 16px 36px rgba(17, 19, 24, 0.10);
            --douyu-radius-sm: 12px;
            --douyu-radius-md: 18px;
            --douyu-radius-lg: 24px;
            --douyu-radius-xl: 32px;
            --douyu-font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
            --douyu-font-mono: 'Roboto Mono', 'SF Mono', 'Fira Code', monospace;
            --douyu-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--douyu-font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--douyu-text);
            background-color: var(--douyu-cream);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--douyu-transition);
        }

        a:hover,
        a:focus {
            text-decoration: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--douyu-orange);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1320px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1050;
            padding: 0 16px;
            margin-top: 12px;
        }

        .nav-panel {
            max-width: 1320px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--douyu-radius-lg);
            box-shadow: var(--douyu-shadow-md);
            border: 1px solid var(--douyu-border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            transition: box-shadow var(--douyu-transition);
        }

        .nav-panel:hover {
            box-shadow: var(--douyu-shadow-lg);
        }

        .nav-logo {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--douyu-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--douyu-orange);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--douyu-orange);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 4px;
        }

        .nav-categories::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 14px;
            background: var(--douyu-cream);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--douyu-text);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .nav-cat-pill i {
            font-size: 0.75rem;
            color: var(--douyu-orange);
        }

        .nav-cat-pill:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 77, 28, 0.25);
        }

        .nav-cat-pill:hover i {
            color: #fff;
        }

        .nav-cat-pill.active {
            background: var(--douyu-ink);
            color: #fff;
            border-color: var(--douyu-ink);
        }

        .nav-cat-pill.active i {
            color: var(--douyu-yellow);
        }

        .nav-cta {
            flex-shrink: 0;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .nav-cta:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 77, 28, 0.4);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(255, 77, 28, 0.25);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 28px 0 12px;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 0.88rem;
            color: var(--douyu-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar .breadcrumb a {
            color: var(--douyu-muted);
            transition: color var(--douyu-transition);
        }

        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--douyu-orange);
        }

        .breadcrumb-bar .breadcrumb .current {
            color: var(--douyu-ink);
            font-weight: 600;
        }

        .breadcrumb-bar .breadcrumb .separator {
            color: var(--douyu-muted);
            font-size: 0.75rem;
        }

        /* ========== 分类Hero ========== */
        .category-hero {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 60px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-bottom: 28px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(23, 220, 197, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 77, 28, 0.2);
            border: 1px solid rgba(255, 77, 28, 0.4);
            color: #FFB59E;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }

        .category-hero .hero-tag .dot {
            width: 8px;
            height: 8px;
            background: var(--douyu-neon);
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.7);
            }
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin: 0 0 20px;
            color: #fff;
            max-width: 780px;
        }

        .category-hero h1 .highlight {
            color: var(--douyu-orange);
            position: relative;
            white-space: nowrap;
        }

        .category-hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--douyu-orange);
            border-radius: 2px;
        }

        .category-hero .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
            box-shadow: 0 6px 18px rgba(255, 77, 28, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 77, 28, 0.45);
        }

        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 14px 28px;
            border-radius: 16px;
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(8px);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-3px);
        }

        /* ========== 分类介绍卡片 ========== */
        .intro-panel {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 36px 40px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 32px;
        }

        .intro-panel .intro-inner {
            display: flex;
            gap: 32px;
            align-items: flex-start;
        }

        .intro-panel .intro-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--douyu-cream);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--douyu-orange);
        }

        .intro-panel .intro-text h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 12px;
        }

        .intro-panel .intro-text p {
            margin: 0;
            color: var(--douyu-text);
            font-size: 0.98rem;
            line-height: 1.85;
        }

        /* ========== 数据总览 ========== */
        .stats-strip {
            background: var(--douyu-ink-soft);
            border-radius: var(--douyu-radius-lg);
            padding: 36px 40px;
            margin-bottom: 32px;
        }

        .stats-strip .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: left;
            padding: 0 20px;
            border-left: 2px solid rgba(255, 255, 255, 0.12);
        }

        .stat-item:first-child {
            border-left: none;
            padding-left: 0;
        }

        .stat-item .stat-number {
            font-family: var(--douyu-font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .stat-item .stat-number .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--douyu-yellow);
            margin-left: 2px;
        }

        .stat-item .stat-label {
            color: var(--douyu-muted);
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 14px 20px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 28px;
        }

        .filter-bar .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 7px 16px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--douyu-cream);
            color: var(--douyu-text);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--douyu-transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .filter-tag.active {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
        }

        .filter-bar .sort-select {
            padding: 8px 16px;
            border-radius: 12px;
            border: 1px solid var(--douyu-border);
            background: var(--douyu-cream);
            font-size: 0.82rem;
            color: var(--douyu-text);
            cursor: pointer;
            font-family: var(--douyu-font-sans);
            outline: none;
            transition: border-color var(--douyu-transition);
        }

        .filter-bar .sort-select:focus {
            border-color: var(--douyu-orange);
        }

        /* ========== 案例大卡区 ========== */
        .case-showcase {
            margin-bottom: 32px;
        }

        .section-heading {
            display: flex;
            align-items: baseline;
            gap: 16px;
            margin-bottom: 24px;
        }

        .section-heading .heading-line {
            width: 4px;
            height: 28px;
            background: var(--douyu-orange);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-heading h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0;
            letter-spacing: -0.01em;
        }

        .section-heading .heading-meta {
            font-size: 0.85rem;
            color: var(--douyu-muted);
            margin-left: auto;
            white-space: nowrap;
        }

        .case-grid-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 20px;
        }

        .case-card-main {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            overflow: hidden;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-md);
            transition: all var(--douyu-transition);
            position: relative;
        }

        .case-card-main:hover {
            box-shadow: var(--douyu-shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(255, 77, 28, 0.4);
        }

        .case-card-main .case-cover {
            position: relative;
            height: 260px;
            overflow: hidden;
        }

        .case-card-main .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .case-card-main:hover .case-cover img {
            transform: scale(1.05);
        }

        .case-card-main .case-cover .cover-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--douyu-orange);
            color: #fff;
            padding: 6px 14px;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .case-card-main .case-cover .live-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(0, 0, 0, 0.75);
            color: var(--douyu-neon);
            padding: 6px 14px;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(8px);
        }

        .case-card-main .case-cover .live-badge .dot {
            width: 7px;
            height: 7px;
            background: var(--douyu-neon);
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        .case-card-main .case-body {
            padding: 24px 28px;
        }

        .case-card-main .case-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 10px;
        }

        .case-card-main .case-body p {
            color: var(--douyu-text);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .case-card-main .case-stats {
            display: flex;
            gap: 24px;
            padding-top: 14px;
            border-top: 1px solid var(--douyu-border);
        }

        .case-card-main .case-stats .mini-stat {
            display: flex;
            flex-direction: column;
        }

        .case-card-main .case-stats .mini-stat .minival {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--douyu-orange);
            font-family: var(--douyu-font-mono);
        }

        .case-card-main .case-stats .mini-stat .minilabel {
            font-size: 0.75rem;
            color: var(--douyu-muted);
        }

        .case-card-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .case-card-sm {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 22px 24px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            flex: 1;
            cursor: pointer;
        }

        .case-card-sm:hover {
            box-shadow: var(--douyu-shadow-md);
            transform: translateY(-3px);
            border-color: rgba(255, 77, 28, 0.35);
        }

        .case-card-sm .sm-cover {
            flex-shrink: 0;
            width: 90px;
            height: 90px;
            border-radius: 14px;
            overflow: hidden;
        }

        .case-card-sm .sm-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card-sm .sm-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--douyu-ink);
            margin: 0 0 6px;
        }

        .case-card-sm .sm-content p {
            font-size: 0.8rem;
            color: var(--douyu-muted);
            margin: 0 0 8px;
            line-height: 1.6;
        }

        .case-card-sm .sm-content .sm-effect {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(23, 220, 197, 0.12);
            color: #0A9C88;
            border-radius: 8px;
            font-size: 0.72rem;
            font-weight: 600;
        }

        /* ========== 合作品牌 ========== */
        .brand-strip {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 32px 36px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 32px;
        }

        .brand-strip .brand-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .brand-strip .brand-heading h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0;
        }

        .brand-strip .brand-heading .badge-count {
            background: var(--douyu-cream);
            color: var(--douyu-muted);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 10px;
            font-weight: 500;
        }

        .brand-strip .brand-marquee {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .brand-chip {
            padding: 10px 20px;
            background: var(--douyu-cream);
            border-radius: 14px;
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--douyu-text);
            transition: all var(--douyu-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid transparent;
        }

        .brand-chip i {
            color: var(--douyu-orange);
            font-size: 0.75rem;
        }

        .brand-chip:hover {
            background: var(--douyu-orange);
            color: #fff;
            border-color: var(--douyu-orange);
            transform: translateY(-2px);
        }

        .brand-chip:hover i {
            color: #fff;
        }

        /* ========== 深度内容区 ========== */
        .deep-section {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-lg);
            padding: 40px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            margin-bottom: 32px;
        }

        .deep-section .deep-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 36px;
        }

        .deep-section .deep-side h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .deep-section .deep-side .deep-tag {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(255, 77, 28, 0.1);
            color: var(--douyu-orange);
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .deep-section .deep-side p {
            color: var(--douyu-muted);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        .deep-section .deep-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 10px;
        }

        .deep-section .deep-body p {
            color: var(--douyu-text);
            font-size: 0.92rem;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-section .deep-body ul.commercial-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .deep-section .deep-body ul.commercial-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--douyu-border);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.9rem;
            color: var(--douyu-text);
        }

        .deep-section .deep-body ul.commercial-list li:last-child {
            border-bottom: none;
        }

        .deep-section .deep-body ul.commercial-list li i {
            color: var(--douyu-neon);
            margin-top: 4px;
            font-size: 0.8rem;
        }

        /* ========== 列表卡片区 ========== */
        .listing-section {
            margin-bottom: 32px;
        }

        .listing-card {
            background: var(--douyu-white);
            border-radius: var(--douyu-radius-md);
            padding: 24px 28px;
            border: 1px solid var(--douyu-border);
            box-shadow: var(--douyu-shadow-sm);
            transition: all var(--douyu-transition);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 14px;
            cursor: pointer;
        }

        .listing-card:hover {
            box-shadow: var(--douyu-shadow-md);
            transform: translateY(-3px);
            border-color: rgba(255, 77, 28, 0.35);
        }

        .listing-card .list-cover {
            flex-shrink: 0;
            width: 140px;
            height: 100px;
            border-radius: 14px;
            overflow: hidden;
        }

        .listing-card .list-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .listing-card .list-content {
            flex: 1;
            min-width: 0;
        }

        .listing-card .list-content .list-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .listing-card .list-content .list-date {
            font-size: 0.75rem;
            color: var(--douyu-muted);
            font-family: var(--douyu-font-mono);
        }

        .listing-card .list-content .list-tag {
            padding: 3px 12px;
            background: var(--douyu-cream);
            border-radius: 8px;
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--douyu-orange);
        }

        .listing-card .list-content .list-tag.tag-green {
            color: #0A9C88;
            background: rgba(23, 220, 197, 0.1);
        }

        .listing-card .list-content .list-tag.tag-yellow {
            color: #B8860B;
            background: rgba(255, 196, 46, 0.15);
        }

        .listing-card .list-content h4 {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--douyu-ink);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .listing-card .list-content p {
            font-size: 0.85rem;
            color: var(--douyu-muted);
            margin: 0 0 10px;
            line-height: 1.7;
        }

        .listing-card .list-content .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--douyu-orange);
            transition: all var(--douyu-transition);
            cursor: pointer;
        }

        .listing-card .list-content .read-more:hover {
            color: var(--douyu-orange-dark);
            gap: 10px;
        }

        .listing-card .list-content .read-more i {
            font-size: 0.7rem;
        }

        /* ========== 分页器 ========== */
        .pagination-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin: 28px 0 8px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-btn {
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--douyu-white);
            border: 1px solid var(--douyu-border);
            color: var(--douyu-text);
            cursor: pointer;
            transition: all var(--douyu-transition);
        }

        .pagination-custom .page-btn:hover {
            border-color: var(--douyu-orange);
            color: var(--douyu-orange);
        }

        .pagination-custom .page-btn.active {
            background: var(--douyu-orange);
            border-color: var(--douyu-orange);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 77, 28, 0.3);
        }

        .pagination-custom .page-btn.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            background: var(--douyu-ink);
            border-radius: var(--douyu-radius-xl);
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-bottom: 32px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            margin: 0 0 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        .cta-section .cta-form {
            background: rgba(255, 255, 255, 0.08);
            padding: 28px;
            border-radius: var(--douyu-radius-md);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
        }

        .cta-form .form-group {
            margin-bottom: 14px;
        }

        .cta-form .form-group label {
            display: block;
            font-size: 0.8rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 6px;
        }

        .cta-form .form-group input,
        .cta-form .form-group select,
        .cta-form .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.88rem;
            font-family: var(--douyu-font-sans);
            transition: all var(--douyu-transition);
            outline: none;
        }

        .cta-form .form-group input::placeholder,
        .cta-form .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-form .form-group input:focus,
        .cta-form .form-group textarea:focus,
        .cta-form .form-group select:focus {
            border-color: var(--douyu-orange);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(255, 77, 28, 0.2);
        }

        .cta-form .form-group select option {
            color: var(--douyu-text);
            background: #fff;
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 12px 24px;
            background: var(--douyu-orange);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--douyu-transition);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.3);
        }

        .cta-form .btn-submit:hover {
            background: var(--douyu-orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 77, 28, 0.4);
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 32px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1.8fr;
            gap: 32px;
        }

        .faq-side h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--douyu-ink);
            margin: 0 0 10px;
        }

        .faq-side p {
            font-size: 0.9rem;
            color: var(--douyu-muted);
            margin: 0;
            line-height: 1.75;
        }

        .faq-accordion .accordion-item {
            background: var(--douyu-white);
            border: 1px solid var(--douyu-border);
            border-radius: var(--douyu-radius-md) !important;
            margin-bottom: 12px;
            box-shadow: var(--douyu-shadow-sm);
            overflow: hidden;
            transition: all var(--douyu-transition);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--douyu-shadow-md);
            border-color: rgba(255, 77, 28, 0.3);
        }

        .faq-accordion .accordion-button {
            background: var(--douyu-white);
            color: var(--douyu-ink);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 16px 20px;
            border-radius: var(--douyu-radius-md) !important;
            box-shadow: none !important;
            border: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--douyu-orange);
            background: rgba(255, 77, 28, 0.04);
            border-bottom: 1px solid var(--douyu-border);
        }

        .faq-accordion .accordion-button:focus {
            outline: none;
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            background-size: 14px;
            transition: all var(--douyu-transition);
        }

        .faq-accordion .accordion-body {
            font-size: 0.88rem;
            color: var(--douyu-text);
            line-height: 1.8;
            padding: 16px 20px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--douyu-ink);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            border-radius: var(--douyu-radius-xl) var(--douyu-radius-xl) 0 0;
            margin-top: 16px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h4 .logo-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--douyu-orange);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--douyu-transition);
        }

        .footer-col ul li a:hover {
            color: var(--douyu-orange);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--douyu-transition);
        }

        .footer-bottom a:hover {
            color: var(--douyu-orange);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .category-hero {
                padding: 40px 28px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item:nth-child(3) {
                border-left: none;
                padding-left: 0;
            }
            .case-grid-main {
                grid-template-columns: 1fr;
            }
            .deep-section .deep-grid {
                grid-template-columns: 1fr;
            }
            .cta-section .cta-inner {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .nav-panel {
                flex-wrap: wrap;
                padding: 10px 14px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-categories {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                padding: 4px 0;
            }
            .category-hero {
                padding: 28px 20px;
                border-radius: var(--douyu-radius-lg);
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-sub {
                font-size: 0.9rem;
            }
            .intro-panel {
                padding: 24px 20px;
            }
            .intro-panel .intro-inner {
                flex-direction: column;
                gap: 16px;
            }
            .stats-strip {
                padding: 24px 20px;
            }
            .stats-strip .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .listing-card {
                flex-direction: column;
            }
            .listing-card .list-cover {
                width: 100%;
                height: 160px;
            }
            .deep-section {
                padding: 24px 20px;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--douyu-radius-lg);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .case-card-main .case-cover {
                height: 180px;
            }
            .section-heading h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero h1 {
                font-size: 1.3rem;
            }
            .stats-strip .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-left: none;
                padding-left: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding-bottom: 12px;
            }
            .stat-item:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }
            .case-card-main .case-body {
                padding: 16px 18px;
            }
            .case-card-main .case-stats {
                flex-direction: column;
                gap: 8px;
            }
            .brand-strip {
                padding: 20px;
            }
            .cta-form {
                padding: 20px;
            }
            .pagination-custom .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 0.75rem;
                padding: 0 8px;
            }
            .breadcrumb-bar {
                padding: 16px 0 8px;
            }
        }