/* roulang page: index */
:root {
            --bg-obsidian: #0c0b14;
            --bg-container: #161424;
            --bg-card: #1f1c32;
            --bg-card-hover: #26223d;
            --primary-gradient: linear-gradient(135deg, #7928ca 0%, #4338ca 100%);
            --primary-glow: rgba(121, 40, 202, 0.4);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(121, 40, 202, 0.5);
            --text-main: #f8fafc;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --accent-gold: #f59e0b;
            --accent-cyan: #06b6d4;
            --accent-green: #10b981;
            --card-radius: 18px;
            --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-obsidian);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        /* 统一双层 Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(12, 11, 20, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
        }

        .header-top-bar {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-badge-dot {
            width: 10px;
            height: 10px;
            background-color: var(--accent-cyan);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--accent-cyan);
            animation: pulseGlow 2s infinite ease-in-out;
        }

        @keyframes pulseGlow {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }

        .header-search-box {
            position: relative;
            max-width: 380px;
            width: 100%;
        }

        .header-search-box input {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 30px;
            padding: 8px 18px 8px 40px;
            color: var(--text-main);
            font-size: 0.875rem;
            outline: none;
            transition: var(--transition-smooth);
        }

        .header-search-box input:focus {
            border-color: #7928ca;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 15px rgba(121, 40, 202, 0.3);
        }

        .header-search-box i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* 横滑 Chip 导航栏 */
        .chip-nav-wrapper {
            display: flex;
            align-items: center;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 8px 0;
            gap: 10px;
        }

        .chip-nav-wrapper::-webkit-scrollbar {
            display: none;
        }

        .nav-chip-item {
            height: 36px;
            padding: 0 16px;
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .nav-chip-item:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .nav-chip-item.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 15px var(--primary-glow);
        }

        .nav-chip-item.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            margin-right: 8px;
            box-shadow: 0 0 6px #fff;
        }

        /* 组件通用类 */
        .content-section {
            padding: 80px 0;
            position: relative;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 4px 12px;
            border-radius: 30px;
            background: rgba(121, 40, 202, 0.15);
            border: 1px solid rgba(121, 40, 202, 0.35);
            color: #c084fc;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 820px;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        .tactical-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--card-radius);
            padding: 28px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .tactical-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-highlight);
            box-shadow: 0 18px 40px rgba(121, 40, 202, 0.25);
            background: var(--bg-card-hover);
        }

        .card-attr-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            font-size: 0.78rem;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 12px;
        }

        .attr-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--accent-cyan);
            border: 1px solid rgba(6, 182, 212, 0.2);
        }

        .attr-badge.gold {
            color: var(--accent-gold);
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.1);
        }

        .btn-brand-primary {
            background: var(--primary-gradient);
            color: #ffffff;
            border: none;
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            box-shadow: 0 6px 20px var(--primary-glow);
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .btn-brand-primary:hover {
            box-shadow: 0 10px 28px rgba(121, 40, 202, 0.6);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-brand-outline {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .btn-brand-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent-cyan);
            color: #ffffff;
        }

        /* 1. Hero 价值主张看板 */
        .hero-section {
            padding: 70px 0 80px;
            background: radial-gradient(circle at 50% -20%, rgba(121, 40, 202, 0.28) 0%, rgba(12, 11, 20, 0) 70%);
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-h1 {
            font-size: 2.85rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead-text {
            color: var(--text-secondary);
            font-size: 1.125rem;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .search-console-box {
            background: var(--bg-container);
            border: 1px solid rgba(121, 40, 202, 0.35);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
        }

        .hero-input-group {
            display: flex;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 14px;
            padding: 6px;
            margin-bottom: 16px;
        }

        .hero-input-group input {
            background: transparent;
            border: none;
            padding: 12px 18px;
            color: #fff;
            flex-grow: 1;
            outline: none;
            font-size: 1rem;
        }

        .hot-keywords-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
        }

        .hot-keywords-wrap .keyword-tag {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 4px 12px;
            color: var(--text-secondary);
            font-size: 0.8rem;
        }

        /* 4. 画质演示台 AB 对比面板 */
        .player-mock-box {
            background: #000;
            border-radius: var(--card-radius);
            border: 1px solid rgba(255, 255, 255, 0.12);
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.7);
        }

        .player-header-bar {
            background: rgba(26, 24, 40, 0.9);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            font-size: 0.85rem;
        }

        .player-visual-screen {
            height: 380px;
            background: linear-gradient(135deg, #181528 0%, #0d0c15 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .player-ab-split {
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .player-ab-label {
            position: absolute;
            top: 20px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .label-left {
            left: 20px;
            background: rgba(0,0,0,0.6);
            border: 1px solid rgba(255,255,255,0.2);
            color: #94a3b8;
        }

        .label-right {
            right: 20px;
            background: rgba(6, 182, 212, 0.2);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .player-control-rail {
            background: rgba(18, 16, 28, 0.95);
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .progress-track-custom {
            height: 6px;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            margin-bottom: 12px;
            position: relative;
            cursor: pointer;
        }

        .progress-bar-fill {
            width: 68%;
            height: 100%;
            background: var(--primary-gradient);
            border-radius: 4px;
            position: relative;
        }

        .progress-bar-fill::after {
            content: '';
            position: absolute;
            right: -4px;
            top: -3px;
            width: 12px;
            height: 12px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(255,255,255,0.8);
        }

        /* 6. 套餐价格卡牌 */
        .tier-card {
            background: var(--bg-card);
            border-radius: var(--card-radius);
            border: 1px solid var(--border-subtle);
            padding: 34px 28px;
            position: relative;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: var(--transition-smooth);
        }

        .tier-card.featured {
            border-color: var(--accent-gold);
            background: linear-gradient(180deg, rgba(38, 34, 61, 0.95) 0%, rgba(31, 28, 50, 0.95) 100%);
            box-shadow: 0 15px 40px rgba(245, 158, 11, 0.15);
            transform: scale(1.02);
        }

        .tier-featured-badge {
            position: absolute;
            top: -12px;
            right: 28px;
            background: var(--accent-gold);
            color: #0c0b14;
            font-size: 0.72rem;
            font-weight: 800;
            padding: 4px 14px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .tier-price-val {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-main);
            margin: 18px 0;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .tier-price-val small {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .tier-feature-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 30px;
            flex-grow: 1;
        }

        .tier-feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        .tier-feature-list li i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        /* 8. 仪表盘大数字 */
        .metric-value-huge {
            font-size: 2.8rem;
            font-weight: 800;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            line-height: 1;
            margin-bottom: 8px;
            background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 11. FAQ 手风琴重塑 */
        .custom-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 14px !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .custom-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: #c084fc;
            background: rgba(121, 40, 202, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .custom-accordion .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.95rem;
            padding: 20px 24px;
            line-height: 1.7;
        }

        /* 12. CTA 收尾区 */
        .cta-closure-box {
            background: linear-gradient(135deg, rgba(121, 40, 202, 0.25) 0%, rgba(67, 56, 202, 0.25) 100%);
            border: 1px solid rgba(121, 40, 202, 0.4);
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }

        /* 统一页脚 */
        .site-footer {
            background: #08070d;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

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

        .footer-nav-list li {
            margin-bottom: 10px;
        }

        .footer-nav-list a:hover {
            color: #c084fc;
        }

        .footer-bottom-bar {
            margin-top: 45px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 移动端自适应 */
        @media (max-width: 991.98px) {
            .hero-h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .content-section {
                padding: 60px 0;
            }
            .player-visual-screen {
                height: 280px;
            }
        }

        @media (max-width: 767.98px) {
            .header-search-box {
                display: none;
            }
            .hero-h1 {
                font-size: 1.85rem;
            }
            .cta-closure-box {
                padding: 40px 20px;
            }
            .metric-value-huge {
                font-size: 2.2rem;
            }
            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
      --bg-obsidian: #0c0b14;
      --bg-container: #161424;
      --bg-card: #1f1c32;
      --bg-card-hover: #26223d;
      --primary-gradient: linear-gradient(135deg, #7928ca 0%, #4338ca 100%);
      --primary-glow: rgba(121, 40, 202, 0.4);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(121, 40, 202, 0.5);
      --text-main: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --accent-gold: #f59e0b;
      --accent-cyan: #06b6d4;
      --accent-green: #10b981;
      --card-radius: 18px;
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      background-color: var(--bg-obsidian);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-smooth);
    }
    
    /* 统一双层 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(12, 11, 20, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-subtle);
    }
    .header-top-bar {
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-badge-dot {
      width: 10px;
      height: 10px;
      background-color: var(--accent-cyan);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent-cyan);
      animation: pulseGlow 2s infinite ease-in-out;
    }
    .header-search-box {
      position: relative;
      max-width: 380px;
      width: 100%;
    }
    .header-search-box input {
      width: 100%;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-subtle);
      border-radius: 30px;
      padding: 8px 18px 8px 40px;
      color: var(--text-main);
      font-size: 0.875rem;
      outline: none;
      transition: var(--transition-smooth);
    }
    .header-search-box input:focus {
      border-color: #7928ca;
      background: rgba(255, 255, 255, 0.08);
      box-shadow: 0 0 15px rgba(121, 40, 202, 0.3);
    }
    .header-search-box i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.95rem;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn-brand-primary {
      background: var(--primary-gradient);
      color: #fff;
      border: none;
      border-radius: 30px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 15px var(--primary-glow);
      transition: var(--transition-smooth);
    }
    .btn-brand-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(121, 40, 202, 0.6);
    }

    /* 横滑 Chip 导航栏 */
    .chip-nav-wrapper {
      display: flex;
      align-items: center;
      overflow-x: auto;
      white-space: nowrap;
      scrollbar-width: none;
      -ms-overflow-style: none;
      padding: 8px 0;
      gap: 10px;
    }
    .chip-nav-wrapper::-webkit-scrollbar {
      display: none;
    }
    .nav-chip-item {
      height: 36px;
      padding: 0 16px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 500;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-subtle);
      color: var(--text-secondary);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .nav-chip-item:hover {
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.2);
    }
    .nav-chip-item.active {
      background: var(--primary-gradient);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 4px 15px var(--primary-glow);
    }
    .nav-chip-item.active::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      background: #fff;
      border-radius: 50%;
      margin-right: 8px;
      box-shadow: 0 0 6px #fff;
    }

    /* 通用组件与视觉 */
    .content-section {
      padding: 56px 0;
      position: relative;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 12px;
      border-radius: 30px;
      background: rgba(121, 40, 202, 0.15);
      border: 1px solid rgba(121, 40, 202, 0.35);
      color: #c084fc;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .section-desc {
      color: var(--text-secondary);
      font-size: 0.95rem;
      max-width: 820px;
      line-height: 1.6;
      margin-bottom: 30px;
    }
    .tactical-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--card-radius);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }
    .tactical-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-highlight);
      transform: translateY(-4px);
      box-shadow: 0 18px 40px rgba(121, 40, 202, 0.25);
    }
    .badge-capsule {
      display: inline-flex;
      align-items: center;
      font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
      font-size: 0.72rem;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--text-secondary);
      letter-spacing: 0.5px;
    }
    .badge-capsule.cyan {
      color: var(--accent-cyan);
      background: rgba(6, 182, 212, 0.1);
      border-color: rgba(6, 182, 212, 0.25);
    }
    .badge-capsule.gold {
      color: var(--accent-gold);
      background: rgba(245, 158, 11, 0.1);
      border-color: rgba(245, 158, 11, 0.25);
    }
    .badge-capsule.purple {
      color: #c084fc;
      background: rgba(121, 40, 202, 0.15);
      border-color: rgba(121, 40, 202, 0.3);
    }

    /* 板块 1: 分类主标题与筛选导轨 */
    .filter-track-container {
      background: var(--bg-container);
      border: 1px solid var(--border-subtle);
      border-radius: var(--card-radius);
      padding: 24px;
      margin-top: 24px;
    }
    .filter-group-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .filter-group-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      min-width: 78px;
    }
    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-chip {
      font-size: 0.8rem;
      padding: 4px 14px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-subtle);
      color: var(--text-secondary);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-chip:hover, .filter-chip.active {
      color: #fff;
      background: rgba(121, 40, 202, 0.25);
      border-color: #7928ca;
    }

    /* 板块 2: 高光焦点内容卡牌 */
    .spotlight-card {
      background: linear-gradient(135deg, #1b1733 0%, #131122 100%);
      border: 1px solid rgba(121, 40, 202, 0.4);
      border-radius: var(--card-radius);
      overflow: hidden;
      position: relative;
    }
    .spotlight-media {
      height: 100%;
      min-height: 280px;
      background: radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.35), rgba(12, 11, 20, 0.95)), #141226;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .media-play-core {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: var(--primary-gradient);
      box-shadow: 0 0 30px var(--primary-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.8rem;
      padding-left: 4px;
      transition: var(--transition-smooth);
    }
    .spotlight-card:hover .media-play-core {
      transform: scale(1.1);
      box-shadow: 0 0 40px rgba(121, 40, 202, 0.8);
    }

    /* 板块 3: 标准流媒体卡片栅格 */
    .video-card-thumb {
      height: 175px;
      background: #141226;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .video-card-thumb .canvas-placeholder {
      width: 100%;
      height: 100%;
      background: linear-gradient(160deg, rgba(67, 56, 202, 0.2) 0%, rgba(12, 11, 20, 0.8) 100%), #17152b;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .video-card-thumb .thumb-tag {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.75);
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      color: #e2e8f0;
      backdrop-filter: blur(4px);
    }
    .video-card-thumb .stream-status {
      position: absolute;
      top: 10px;
      left: 10px;
    }
    .video-card-body {
      padding: 18px;
    }
    .video-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .video-card-info {
      font-size: 0.825rem;
      color: var(--text-secondary);
      margin-bottom: 14px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* 板块 4: 分类数据徽章统计看板 */
    .stat-dashboard-strip {
      background: var(--bg-container);
      border: 1px solid var(--border-subtle);
      border-radius: var(--card-radius);
      padding: 30px;
    }
    .stat-metric-card {
      border-right: 1px solid rgba(255, 255, 255, 0.06);
      padding: 0 20px;
    }
    .stat-metric-card:last-child {
      border-right: none;
    }
    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      letter-spacing: -1px;
      line-height: 1.1;
      margin-bottom: 6px;
    }

    /* 板块 5: 热门关联标签池 */
    .tag-pool-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .tag-pool-chip {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 12px 18px;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: var(--transition-smooth);
    }
    .tag-pool-chip:hover {
      border-color: var(--border-highlight);
      background: var(--bg-card-hover);
      transform: translateY(-2px);
    }
    .tag-pool-chip .tag-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: rgba(121, 40, 202, 0.15);
      color: #c084fc;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* 板块 6: 分类专属技术与视听指南 */
    .guide-step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--card-radius);
      padding: 24px;
      height: 100%;
      position: relative;
    }
    .step-index-badge {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: rgba(6, 182, 212, 0.15);
      border: 1px solid rgba(6, 182, 212, 0.35);
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-family: monospace;
      margin-bottom: 16px;
    }

    /* 板块 7: 分页与回流承接 */
    .custom-pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 30px;
    }
    .page-item-box {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      font-weight: 600;
      font-size: 0.9rem;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .page-item-box:hover, .page-item-box.active {
      background: var(--primary-gradient);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 4px 15px var(--primary-glow);
    }

    /* 统一 Footer 样式 */
    .site-footer {
      background: #08070d;
      border-top: 1px solid var(--border-subtle);
      padding: 60px 0 30px;
      margin-top: 60px;
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .footer-col-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-link-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-link-list li {
      margin-bottom: 10px;
    }
    .footer-link-list a {
      color: var(--text-secondary);
      font-size: 0.875rem;
    }
    .footer-link-list a:hover {
      color: #c084fc;
      padding-left: 4px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      margin-top: 40px;
    }

    @keyframes pulseGlow {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.85); }
    }

    @media (max-width: 991px) {
      .stat-metric-card {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        padding: 16px 0;
      }
      .stat-metric-card:last-child {
        border-bottom: none;
      }
    }
    @media (max-width: 767px) {
      .header-search-box {
        display: none;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .stat-number {
        font-size: 1.8rem;
      }
    }