/* roulang page: index */
:root {
            --bg-base: #0A0B0E;
            --bg-card: #12141A;
            --bg-elevated: #171922;
            --primary: #FF3D2E;
            --primary-hover: #E02E20;
            --primary-glow: rgba(255, 61, 46, 0.35);
            --secondary: #8B3DFF;
            --accent: #FFB800;
            --text-main: #FFFFFF;
            --text-body: #D1D5DB;
            --text-muted: #8E95A5;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 61, 46, 0.45);
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            --card-radius: 12px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* 基础重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-body);
            font-family: var(--font-family);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        /* 顶部通栏信息条 */
        .top-notice-bar {
            background-color: #050608;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.8125rem;
            color: var(--text-muted);
            height: 36px;
            line-height: 36px;
        }

        .top-notice-bar .badge-fast {
            background: rgba(255, 61, 46, 0.15);
            color: var(--primary);
            font-weight: 500;
            border: 1px solid rgba(255, 61, 46, 0.3);
            border-radius: 4px;
            padding: 1px 6px;
            margin-right: 8px;
        }

        /* 主导航栏 */
        .site-header {
            background: rgba(10, 11, 14, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-main) !important;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 4px 14px var(--primary-glow);
        }

        .nav-link {
            color: var(--text-body) !important;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.6rem 1.1rem !important;
            border-radius: 6px;
            transition: var(--transition);
        }

        .nav-link:hover, .nav-link.active {
            color: var(--text-main) !important;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--primary) !important;
        }

        .btn-theme-primary {
            background: linear-gradient(135deg, var(--primary), #D32214);
            color: #fff;
            font-weight: 600;
            border: none;
            padding: 0.55rem 1.25rem;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 14px var(--primary-glow);
            transition: var(--transition);
        }

        .btn-theme-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 61, 46, 0.55);
        }

        .btn-theme-outline {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            font-weight: 500;
            padding: 0.55rem 1.25rem;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-theme-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 61, 46, 0.05);
        }

        /* 通用区块排版 */
        .section-padding {
            padding: 5rem 0;
            position: relative;
        }

        .section-bg-alt {
            background-color: var(--bg-card);
        }

        .section-header {
            margin-bottom: 3.5rem;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            background: rgba(255, 61, 46, 0.12);
            border: 1px solid rgba(255, 61, 46, 0.25);
            padding: 4px 12px;
            border-radius: 30px;
            margin-bottom: 0.85rem;
        }

        .section-title {
            color: var(--text-main);
            font-size: 2.15rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 760px;
            margin: 0 auto;
        }

        /* 首屏 Hero (5:7 错位微排版) */
        .hero-section {
            padding: 5.5rem 0 6rem;
            background: radial-gradient(circle at 80% 20%, rgba(139, 61, 255, 0.12) 0%, transparent 50%),
                        radial-gradient(circle at 20% 70%, rgba(255, 61, 46, 0.12) 0%, transparent 60%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-h1 {
            font-size: 2.85rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 1.25rem;
        }

        .hero-lead {
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .hero-kpis {
            display: flex;
            gap: 1.5rem;
            margin-top: 2rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border-subtle);
        }

        .kpi-item h4 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 0.2rem;
        }

        .kpi-item span {
            font-size: 0.825rem;
            color: var(--text-muted);
        }

        .hero-stage {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
            overflow: hidden;
            position: relative;
        }

        .stage-screen {
            height: 310px;
            background: linear-gradient(180deg, #1A1C25 0%, #0F1117 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .player-glow {
            width: 76px;
            height: 76px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
            box-shadow: 0 0 30px var(--primary);
            animation: pulseGlow 2s infinite;
        }

        @keyframes pulseGlow {
            0% { box-shadow: 0 0 0 0 rgba(255, 61, 46, 0.7); }
            70% { box-shadow: 0 0 0 18px rgba(255, 61, 46, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 61, 46, 0); }
        }

        .stage-footer {
            padding: 1.25rem 1.5rem;
            background: var(--bg-card);
        }

        .stream-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.8rem;
        }

        .stream-badges {
            display: flex;
            gap: 8px;
        }

        .badge-live {
            background: rgba(255, 61, 46, 0.2);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid var(--primary);
            font-weight: 600;
        }

        .badge-hd {
            background: rgba(255, 184, 0, 0.15);
            color: var(--accent);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid var(--accent);
            font-weight: 600;
        }

        .progress-bar-custom {
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .progress-bar-fill {
            width: 74%;
            height: 100%;
            background: linear-gradient(90deg, var(--secondary), var(--primary));
        }

        /* 痛点卡片 (暗红告警风) */
        .pain-card {
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 61, 46, 0.2);
            border-radius: var(--card-radius);
            padding: 2.2rem 1.8rem;
            height: 100%;
            transition: var(--transition);
        }

        .pain-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(255, 61, 46, 0.15);
        }

        .pain-icon {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            background: rgba(255, 61, 46, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 1.4rem;
        }

        .pain-title {
            font-size: 1.25rem;
            color: var(--text-main);
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        /* 架构与解决方案卡片 */
        .solution-flow-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            padding: 2.2rem 1.8rem;
            position: relative;
            height: 100%;
            transition: var(--transition);
        }

        .solution-flow-card:hover {
            border-color: var(--secondary);
            box-shadow: 0 12px 30px rgba(139, 61, 255, 0.2);
        }

        .solution-step-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.08);
            position: absolute;
            top: 1.2rem;
            right: 1.5rem;
            line-height: 1;
        }

        /* 操作三步指南 */
        .method-step-box {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            padding: 2rem;
            position: relative;
            transition: var(--transition);
        }

        .method-step-box:hover {
            border-color: var(--primary-hover);
        }

        .step-circle {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
        }

        /* 分类专题入口矩阵 (分类合规区) */
        .category-matrix-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            padding: 1.75rem;
            transition: var(--transition);
            display: block;
        }

        .category-matrix-card:hover {
            border-color: var(--primary);
            background: #1C1F2B;
            transform: translateY(-4px);
        }

        .category-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
        }

        /* 成果数据指标卡 */
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            padding: 2.2rem 1.5rem;
            text-align: center;
        }

        .metric-val {
            font-size: 2.75rem;
            font-weight: 900;
            color: var(--text-main);
            background: linear-gradient(135deg, #FFF 30%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.5rem;
        }

        /* 用户证言与口碑评价 */
        .review-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            padding: 2rem;
            height: 100%;
        }

        .stars-row {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .reviewer-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 1.5rem;
        }

        .reviewer-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--primary);
        }

        /* 终端全景适配展示 */
        .device-feature-item {
            display: flex;
            gap: 16px;
            margin-bottom: 1.8rem;
        }        .device-feature-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: rgba(139, 61, 255, 0.15);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        /* 每日更新榜单 */
        .update-list-group {
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            overflow: hidden;
        }

        .update-item-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.75rem;
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition);
        }

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

        .update-item-row:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .item-badge-pill {
            background: rgba(255, 61, 46, 0.15);
            color: var(--primary);
            font-size: 0.8rem;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 600;
        }

        /* FAQ 折叠手风琴 */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 10px !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.25rem 1.5rem;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(255, 61, 46, 0.05);
            border-bottom: 1px solid var(--border-subtle);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(1);
        }

        .accordion-custom .accordion-body {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.75;
            padding: 1.4rem 1.5rem;
        }

        /* 强聚光收口 CTA */
        .cta-banner {
            background: radial-gradient(circle at center, rgba(255, 61, 46, 0.25) 0%, rgba(18, 20, 26, 0.95) 75%);
            border: 1px solid rgba(255, 61, 46, 0.35);
            border-radius: 16px;
            padding: 4.5rem 2rem;
            text-align: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
        }

        /* 底部 Footer */
        .site-footer {
            background-color: #060709;
            border-top: 1px solid var(--border-subtle);
            padding: 4.5rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1.2rem;
        }

        .footer-title {
            color: var(--text-main);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.4rem;
        }

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

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 3.5rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.825rem;
        }

        /* 移动端断点适配 */
        @media (max-width: 991.98px) {
            .hero-h1 {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .hero-section {
                padding: 3.5rem 0;
            }
            .hero-kpis {
                flex-wrap: wrap;
                gap: 1rem;
            }
            .stage-screen {
                height: 240px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-h1 {
                font-size: 1.85rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .metric-val {
                font-size: 2.2rem;
            }
            .cta-banner {
                padding: 3rem 1.25rem;
            }
        }

/* roulang page: category1 */
:root {
        --bg-base: #0A0B0E;
        --bg-card: #12141A;
        --bg-elevated: #171922;
        --primary: #FF3D2E;
        --primary-hover: #E02E20;
        --primary-glow: rgba(255, 61, 46, 0.35);
        --secondary: #8B3DFF;
        --accent: #FFB800;
        --text-main: #FFFFFF;
        --text-body: #D1D5DB;
        --text-muted: #8E95A5;
        --border-subtle: rgba(255, 255, 255, 0.08);
        --border-hover: rgba(255, 61, 46, 0.45);
        --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        --card-radius: 12px;
        --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
        background-color: var(--bg-base);
        color: var(--text-body);
        font-family: var(--font-family);
        line-height: 1.7;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    /* 顶部提示条 */
    .top-notice-bar {
        background-color: #050608;
        border-bottom: 1px solid var(--border-subtle);
        font-size: 0.8125rem;
        color: var(--text-muted);
        padding: 6px 0;
    }
    .top-notice-bar .badge-fast {
        background: rgba(255, 61, 46, 0.15);
        color: var(--primary);
        font-weight: 600;
        border: 1px solid rgba(255, 61, 46, 0.3);
        border-radius: 4px;
        padding: 1px 7px;
        margin-right: 8px;
    }

    /* 主导航栏 */
    .site-header {
        background: rgba(10, 11, 14, 0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-subtle);
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    .navbar-brand {
        font-size: 1.4rem;
        font-weight: 800;
        color: var(--text-main) !important;
        display: flex;
        align-items: center;
        gap: 10px;
        letter-spacing: -0.5px;
    }
    .brand-icon {
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        box-shadow: 0 4px 14px var(--primary-glow);
    }
    .nav-link {
        color: var(--text-body) !important;
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.6rem 1.1rem !important;
        border-radius: 6px;
        transition: var(--transition);
    }
    .nav-link:hover, .nav-link.active {
        color: var(--text-main) !important;
        background: rgba(255, 255, 255, 0.06);
    }
    .nav-link.active {
        color: var(--primary) !important;
    }
    .btn-theme-primary {
        background: linear-gradient(135deg, var(--primary), #D32214);
        color: #fff;
        font-weight: 600;
        border: none;
        padding: 0.55rem 1.25rem;
        border-radius: 8px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0 4px 14px var(--primary-glow);
        transition: var(--transition);
    }
    .btn-theme-primary:hover {
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 61, 46, 0.55);
    }
    .btn-theme-outline {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-subtle);
        color: var(--text-main);
        font-weight: 500;
        padding: 0.55rem 1.25rem;
        border-radius: 8px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: var(--transition);
    }
    .btn-theme-outline:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(255, 61, 46, 0.05);
    }

    /* 通用区块排版 */
    .section-padding {
        padding: 4.5rem 0;
        position: relative;
    }
    .section-bg-alt {
        background-color: var(--bg-card);
    }
    .section-header {
        margin-bottom: 2.75rem;
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8125rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--primary);
        background: rgba(255, 61, 46, 0.12);
        border: 1px solid rgba(255, 61, 46, 0.25);
        padding: 4px 12px;
        border-radius: 30px;
        margin-bottom: 0.75rem;
    }
    .section-title {
        color: var(--text-main);
        font-size: 1.85rem;
        font-weight: 700;
        line-height: 1.35;
        margin-bottom: 0.75rem;
    }
    .section-desc {
        color: var(--text-muted);
        font-size: 0.975rem;
    }

    /* 分类页专有标头 H1 (蓝图：路线图预告与版本更新条) */
    .cat-hero-wrap {
        padding: 3.5rem 0 2.5rem;
        background: radial-gradient(circle at 10% 20%, rgba(255, 61, 46, 0.08) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(139, 61, 255, 0.08) 0%, transparent 50%),
                    var(--bg-elevated);
        border-bottom: 1px solid var(--border-subtle);
    }
    .cat-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.875rem;
        color: var(--text-muted);
        margin-bottom: 1.25rem;
    }
    .cat-breadcrumb a:hover {
        color: var(--primary);
    }
    .cat-h1 {
        font-size: 2.25rem;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.25;
        margin-bottom: 1rem;
    }
    .cat-lead {
        color: var(--text-body);
        font-size: 1.05rem;
        max-width: 820px;
        line-height: 1.7;
    }
    .update-roadmap-bar {
        background: rgba(10, 11, 14, 0.6);
        border: 1px solid var(--border-subtle);
        border-radius: 10px;
        padding: 0.85rem 1.25rem;
        margin-top: 1.75rem;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }
    .roadmap-badge-group {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .radar-dot {
        width: 8px;
        height: 8px;
        background-color: var(--primary);
        border-radius: 50%;
        display: inline-block;
        box-shadow: 0 0 10px var(--primary);
        animation: radarPulse 1.8s infinite;
    }
    @keyframes radarPulse {
        0% { transform: scale(0.95); opacity: 0.8; }
        50% { transform: scale(1.35); opacity: 1; }
        100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* 多维过滤筛选区 */
    .filter-panel {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--card-radius);
        padding: 1.5rem;
        margin-bottom: 2.5rem;
    }
    .filter-row {
        display: flex;
        align-items: center;
        padding: 0.6rem 0;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .filter-row:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .filter-row:first-child {
        padding-top: 0;
    }
    .filter-label {
        width: 85px;
        font-size: 0.875rem;
        font-weight: 600;
        color: var(--text-muted);
        flex-shrink: 0;
    }
    .filter-items {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .filter-pill {
        font-size: 0.84rem;
        padding: 4px 14px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.03);
        color: var(--text-body);
        border: 1px solid transparent;
        cursor: pointer;
        transition: var(--transition);
    }
    .filter-pill:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-main);
    }
    .filter-pill.active {
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        box-shadow: 0 2px 10px var(--primary-glow);
    }

    /* 视频海报式网格卡片 (3:4 标准比例) */
    .video-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--card-radius);
        overflow: hidden;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        height: 100%;
    }
    .video-card:hover {
        border-color: var(--border-hover);
        transform: translateY(-4px);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
    }
    .video-poster-box {
        position: relative;
        aspect-ratio: 3/4;
        background: #181b24;
        overflow: hidden;
    }
    .video-poster-placeholder {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        background: linear-gradient(180deg, #1b1f2b 0%, #101218 100%);
        color: rgba(255, 255, 255, 0.15);
        position: relative;
    }
    .video-poster-placeholder i {
        font-size: 3rem;
        transition: var(--transition);
    }
    .video-card:hover .video-poster-placeholder i {
        color: var(--primary);
        transform: scale(1.1);
    }
    .card-status-pill {
        position: absolute;
        top: 10px;
        left: 10px;
        background: rgba(255, 61, 46, 0.9);
        color: #fff;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 3px 8px;
        border-radius: 4px;
        backdrop-filter: blur(4px);
        box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    }
    .card-quality-pill {
        position: absolute;
        top: 10px;
        right: 10px;
        background: rgba(0, 0, 0, 0.7);
        color: var(--accent);
        border: 1px solid rgba(255, 184, 0, 0.4);
        font-size: 0.7rem;
        font-weight: 700;
        padding: 2px 6px;
        border-radius: 4px;
    }
    .card-duration-badge {
        position: absolute;
        bottom: 8px;
        right: 8px;
        background: rgba(0, 0, 0, 0.75);
        color: #fff;
        font-size: 0.72rem;
        padding: 2px 6px;
        border-radius: 4px;
    }
    .video-card-body {
        padding: 1.15rem;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }
    .video-card-title {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 0.5rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .video-card-meta {
        font-size: 0.8125rem;
        color: var(--text-muted);
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: auto;
    }

    /* 自定义分页组件 */
    .custom-pagination {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 3.5rem;
    }
    .page-btn {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        color: var(--text-body);
        font-size: 0.9rem;
        font-weight: 600;
    }
    .page-btn:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(255, 61, 46, 0.08);
    }
    .page-btn.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 4px 12px var(--primary-glow);
    }
    .page-btn-wide {
        width: auto;
        padding: 0 16px;
    }

    /* 热播榜单卡片 */
    .rank-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--card-radius);
        padding: 1.25rem 1.5rem;
        display: flex;
        align-items: center;
        gap: 1.25rem;
        transition: var(--transition);
    }
    .rank-card:hover {
        border-color: var(--border-hover);
        transform: translateY(-2px);
    }
    .rank-num {
        font-size: 2rem;
        font-weight: 900;
        font-style: italic;
        line-height: 1;
        min-width: 42px;
    }
    .rank-1 { color: #FF3D2E; text-shadow: 0 0 10px rgba(255, 61, 46, 0.4); }
    .rank-2 { color: #FF8A00; }
    .rank-3 { color: #FFB800; }
    .rank-other { color: var(--text-muted); }
    .rank-info {
        flex-grow: 1;
    }
    .rank-title {
        color: var(--text-main);
        font-weight: 700;
        font-size: 1.05rem;
        margin-bottom: 0.25rem;
    }
    .rank-sub {
        font-size: 0.8125rem;
        color: var(--text-muted);
    }

    /* 技术保障双列卡 */
    .tech-card {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--card-radius);
        padding: 2.25rem;
        height: 100%;
        position: relative;
        overflow: hidden;
    }
    .tech-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: linear-gradient(180deg, var(--primary), var(--secondary));
    }
    .tech-icon-box {
        width: 52px;
        height: 52px;
        border-radius: 12px;
        background: rgba(255, 61, 46, 0.1);
        border: 1px solid rgba(255, 61, 46, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        color: var(--primary);
        margin-bottom: 1.25rem;
    }

    /* 追更日历网格 */
    .schedule-grid {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        gap: 12px;
    }
    .schedule-col {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--card-radius);
        padding: 1.25rem 0.85rem;
        text-align: center;
        transition: var(--transition);
    }
    .schedule-col.today {
        border-color: var(--primary);
        background: rgba(255, 61, 46, 0.05);
    }
    .schedule-col:hover {
        border-color: var(--border-hover);
    }
    .sched-day {
        font-size: 0.875rem;
        font-weight: 700;
        color: var(--text-muted);
        margin-bottom: 0.4rem;
    }
    .schedule-col.today .sched-day {
        color: var(--primary);
    }
    .sched-date {
        font-size: 1.2rem;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 1rem;
    }
    .sched-item {
        background: rgba(255, 255, 255, 0.03);
        border-radius: 6px;
        padding: 8px 6px;
        font-size: 0.775rem;
        color: var(--text-body);
        margin-bottom: 8px;
        line-height: 1.35;
        border-left: 2px solid var(--secondary);
    }
    .sched-item.hot {
        border-left-color: var(--primary);
        color: #fff;
    }

    /* 常见疑问折叠卡 */
    .faq-card-box {
        background: var(--bg-card);
        border: 1px solid var(--border-subtle);
        border-radius: var(--card-radius);
        padding: 1.5rem;
        height: 100%;
        transition: var(--transition);
    }
    .faq-card-box:hover {
        border-color: var(--border-hover);
    }
    .faq-q {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 0.75rem;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .faq-q i {
        color: var(--primary);
        font-size: 0.95rem;
    }
    .faq-a {
        font-size: 0.925rem;
        color: var(--text-body);
        line-height: 1.65;
    }

    /* 页脚 */
    .site-footer {
        background-color: #060709;
        border-top: 1px solid var(--border-subtle);
        padding: 4.5rem 0 2rem;
        color: var(--text-body);
    }
    .footer-desc {
        color: var(--text-muted);
        font-size: 0.9rem;
        line-height: 1.7;
    }
    .footer-title {
        color: var(--text-main);
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 1.25rem;
        position: relative;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 0.65rem;
    }
    .footer-links a {
        color: var(--text-muted);
        font-size: 0.875rem;
    }
    .footer-links a:hover {
        color: var(--primary);
        padding-left: 4px;
    }
    .footer-bottom {
        margin-top: 3.5rem;
        padding-top: 1.75rem;
        border-top: 1px solid var(--border-subtle);
        font-size: 0.8125rem;
        color: var(--text-muted);
    }

    /* 移动端与自适应优化 */
    @media (max-width: 991px) {
        .cat-h1 { font-size: 1.85rem; }
        .schedule-grid { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 767px) {
        .cat-h1 { font-size: 1.6rem; }
        .schedule-grid { grid-template-columns: repeat(2, 1fr); }
        .section-padding { padding: 3.25rem 0; }
        .update-roadmap-bar { flex-direction: column; align-items: flex-start; }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}