/* roulang page: index */
:root {
            --primary: #1A65E6;
            --primary-dark: #124cb5;
            --primary-light: #EBF2FE;
            --accent-cyan: #00B4D8;
            --pixel-amber: #FFB703;
            --bg-body: #F4F7FC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-body: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --border-pixel: #CBD5E1;
            --radius-main: 8px;
            --shadow-soft: 0 12px 32px rgba(26, 101, 230, 0.08);
            --shadow-hover: 0 16px 40px rgba(26, 101, 230, 0.14);
            --shadow-pixel: 3px 3px 0px #1A65E6;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", Monaco, Consolas, "Courier New", monospace;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.65;
            overflow-x: hidden;
        }

        .font-mono {
            font-family: var(--font-mono);
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 2px solid var(--border-color);
        }

        .navbar-brand-custom {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            letter-spacing: -0.5px;
        }

        .pixel-logo-box {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            box-shadow: 2px 2px 0px var(--text-main);
            font-size: 1.1rem;
        }

        .nav-link-custom {
            font-weight: 600;
            color: var(--text-body) !important;
            padding: 8px 16px !important;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--primary) !important;
            background-color: var(--primary-light);
        }

        .nav-cta-btn {
            background-color: var(--primary);
            color: #ffffff !important;
            font-weight: 700;
            padding: 9px 20px;
            border-radius: 6px;
            border: 1px solid var(--primary-dark);
            box-shadow: 2px 2px 0px var(--text-main);
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .nav-cta-btn:hover {
            background-color: var(--primary-dark);
            box-shadow: 1px 1px 0px var(--text-main);
            transform: translate(1px, 1px);
            color: #ffffff !important;
        }

        .status-dot-pulse {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
            animation: pulse-ring 2s infinite;
        }

        @keyframes pulse-ring {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
            70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* 基础区块布局 */
        .section-py {
            padding-top: 80px;
            padding-bottom: 80px;
            border-bottom: 1px solid var(--border-color);
        }

        .bg-grid-pattern {
            background-color: #F8FAFC;
            background-image: radial-gradient(#CBD5E1 1px, transparent 1px);
            background-size: 20px 20px;
        }

        .section-header-tag {
            display: inline-block;
            background: #FFFFFF;
            border: 1px solid var(--border-pixel);
            box-shadow: 2px 2px 0px var(--border-pixel);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 860px;
            margin-bottom: 0;
        }

        /* 卡片系统 */
        .custom-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-main);
            box-shadow: var(--shadow-soft);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }

        .custom-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CBD5E1;
        }

        .pixel-badge {
            display: inline-block;
            padding: 2px 8px;
            border: 1px solid var(--border-color);
            background: #F1F5F9;
            color: var(--text-body);
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .pixel-badge.amber {
            background: #FEF3C7;
            color: #B45309;
            border-color: #FCD34D;
        }

        .pixel-badge.blue {
            background: var(--primary-light);
            color: var(--primary);
            border-color: #BFDBFE;
        }

        /* 首屏 HUD 仪表板 */
        .hud-monitor-card {
            background: #FFFFFF;
            border: 2px solid var(--border-color);
            box-shadow: var(--shadow-pixel);
            border-radius: var(--radius-main);
            padding: 24px;
        }

        .hud-stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .hud-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 600;
        }

        /* 矩阵卡片 */
        .service-icon-box {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
            border: 1px solid #BFDBFE;
        }

        /* 评测对比 */
        .benchmark-box {
            border-radius: var(--radius-main);
            padding: 32px;
            height: 100%;
        }

        .benchmark-pro {
            background: #FFFFFF;
            border: 2px solid var(--primary);
            box-shadow: 4px 4px 0px rgba(26, 101, 230, 0.2);
        }

        .benchmark-con {
            background: #F8FAFC;
            border: 1px dashed #CBD5E1;
        }

        /* 时间轴 */
        .timeline-container {
            position: relative;
            padding-left: 36px;
        }

        .timeline-container::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--border-color);
        }

        .timeline-step {
            position: relative;
            margin-bottom: 36px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -36px;
            top: 4px;
            width: 24px;
            height: 24px;
            background: #FFFFFF;
            border: 3px solid var(--primary);
            border-radius: 4px;
            box-shadow: 1px 1px 0px var(--text-main);
        }

        /* 内容列表 */
        .content-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            margin-bottom: 12px;
            transition: border-color 0.2s ease, transform 0.2s ease;
        }

        .content-list-item:hover {
            border-color: var(--primary);
            transform: translateX(4px);
        }

        /* 排障与 FAQ */
        .accordion-item-custom {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-main) !important;
            margin-bottom: 14px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
            overflow: hidden;
        }

        .accordion-button-custom {
            background: #FFFFFF;
            font-weight: 700;
            color: var(--text-main);
            font-size: 1.05rem;
            padding: 18px 24px;
            border: none;
            box-shadow: none !important;
        }

        .accordion-button-custom:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* 表单卡片 */
        .cta-card {
            background: linear-gradient(145deg, #FFFFFF 0%, #F0F6FF 100%);
            border: 2px solid var(--primary);
            box-shadow: 5px 5px 0px var(--primary);
            border-radius: 12px;
            padding: 48px;
        }

        .pixel-form-input {
            border: 1px solid var(--border-pixel);
            border-radius: 6px;
            padding: 12px 16px;
            font-size: 0.95rem;
            background: #FFFFFF;
            color: var(--text-main);
        }

        .pixel-form-input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 101, 230, 0.15);
        }

        /* 页脚 */
        .site-footer {
            background: #0B132B;
            color: #94A3B8;
            padding-top: 70px;
            padding-bottom: 40px;
            font-size: 0.92rem;
            border-top: 4px solid var(--primary);
        }

        .footer-heading {
            color: #FFFFFF;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1rem;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            margin-top: 50px;
            padding-top: 25px;
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 991.98px) {
            .section-py { padding-top: 60px; padding-bottom: 60px; }
            .section-title { font-size: 1.75rem; }
            .cta-card { padding: 30px 20px; }
            .content-list-item { flex-direction: column; align-items: flex-start; gap: 10px; }
        }

/* roulang page: category2 */
:root {
      --primary: #1A65E6;
      --primary-dark: #124cb5;
      --primary-light: #EBF2FE;
      --accent-cyan: #00B4D8;
      --pixel-amber: #FFB703;
      --bg-body: #F4F7FC;
      --bg-card: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-pixel: #CBD5E1;
      --radius-main: 8px;
      --shadow-soft: 0 12px 32px rgba(26, 101, 230, 0.08);
      --shadow-hover: 0 16px 40px rgba(26, 101, 230, 0.14);
      --shadow-pixel: 3px 3px 0px #1A65E6;
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-mono: "SF Mono", Monaco, Consolas, "Courier New", monospace;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-body);
      color: var(--text-body);
      line-height: 1.65;
      overflow-x: hidden;
    }

    .font-mono {
      font-family: var(--font-mono);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-color);
    }
    .navbar-brand-custom {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      letter-spacing: -0.5px;
    }
    .pixel-logo-box {
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      box-shadow: 2px 2px 0px var(--text-main);
      font-size: 1.1rem;
    }
    .nav-link-custom {
      font-weight: 600;
      color: var(--text-body) !important;
      padding: 8px 16px !important;
      border-radius: 6px;
      transition: all 0.2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary) !important;
      background-color: var(--primary-light);
    }
    .status-dot-pulse {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }
    .nav-cta-btn {
      background-color: var(--primary);
      color: #ffffff !important;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: 6px;
      border: 1px solid var(--primary-dark);
      box-shadow: 2px 2px 0px var(--text-main);
      transition: all 0.2s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .nav-cta-btn:hover {
      background-color: var(--primary-dark);
      box-shadow: 1px 1px 0px var(--text-main);
      transform: translate(1px, 1px);
      color: #ffffff !important;
    }

    /* 通用基础样式 */
    .section-py {
      padding-top: 70px;
      padding-bottom: 70px;
      border-bottom: 1px solid var(--border-color);
    }
    .bg-grid-pattern {
      background-color: #F8FAFC;
      background-image: radial-gradient(#CBD5E1 1px, transparent 1px);
      background-size: 20px 20px;
    }
    .section-header-tag {
      display: inline-block;
      background: #FFFFFF;
      border: 1px solid var(--border-pixel);
      box-shadow: 2px 2px 0px var(--border-pixel);
      padding: 4px 12px;
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 860px;
      margin-bottom: 0;
    }

    /* 筛选与头部板块样式 */
    .filter-header-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      box-shadow: var(--shadow-soft);
      padding: 32px;
    }
    .filter-badge-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      color: var(--text-body);
      border-radius: 6px;
      font-size: 0.88rem;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .filter-badge-btn:hover, .filter-badge-btn.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary-dark);
      box-shadow: 2px 2px 0px var(--text-main);
    }

    /* 卡片矩阵流 */
    .media-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      box-shadow: var(--shadow-soft);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      overflow: hidden;
    }
    .media-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--accent-cyan);
    }
    .media-preview-box {
      height: 180px;
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #94A3B8;
    }
    .media-duration-badge {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .media-type-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      box-shadow: 2px 2px 0px rgba(0,0,0,0.3);
    }
    .media-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .pixel-tag {
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 6px;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      background: #F1F5F9;
      color: var(--text-muted);
    }
    .pixel-tag.highlight {
      background: #FEF3C7;
      border-color: #FCD34D;
      color: #B45309;
    }
    .pixel-tag.cyan {
      background: #E0F2FE;
      border-color: #BAE6FD;
      color: #0369A1;
    }

    /* 复古分页器 */
    .pixel-pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 40px;
    }
    .page-btn {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      color: var(--text-main);
      font-weight: 700;
      text-decoration: none;
      box-shadow: 2px 2px 0px var(--border-pixel);
      transition: all 0.2s ease;
    }
    .page-btn:hover, .page-btn.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary-dark);
      box-shadow: 2px 2px 0px var(--text-main);
      transform: translate(-1px, -1px);
    }
    .page-btn.wide {
      width: auto;
      padding: 0 16px;
    }

    /* 热门排行横条 */
    .trending-scroll-container {
      overflow-x: auto;
      padding-bottom: 12px;
      scrollbar-width: thin;
    }
    .trending-item-card {
      min-width: 280px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      padding: 16px;
      box-shadow: var(--shadow-soft);
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .rank-number-box {
      width: 38px;
      height: 38px;
      background: #F1F5F9;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      color: var(--text-muted);
      border-radius: 4px;
      flex-shrink: 0;
    }
    .rank-number-box.top1 {
      background: #FEF3C7;
      color: #B45309;
      border-color: #FCD34D;
    }
    .rank-number-box.top2 {
      background: #E0F2FE;
      color: #0369A1;
      border-color: #BAE6FD;
    }
    .rank-number-box.top3 {
      background: #FCE7F3;
      color: #9D174D;
      border-color: #FBCFE8;
    }

    /* 技术规格表格 */
    .specs-table {
      width: 100%;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }
    .specs-table th {
      background: #F8FAFC;
      padding: 16px 20px;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 2px solid var(--border-color);
    }
    .specs-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      vertical-align: middle;
    }

    /* 更新日志流 */
    .patch-log-item {
      padding: 16px 20px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      margin-bottom: 12px;
      display: flex;
      align-items: flex-start;
      gap: 16px;
      transition: all 0.2s ease;
    }
    .patch-log-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-soft);
    }

    /* FAQ 卡片样式 */
    .faq-card-grid {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      height: 100%;
    }

    /* 底部收口横幅 */
    .bottom-mini-cta {
      background: linear-gradient(135deg, #0F172A 0%, #1A65E6 100%);
      color: #FFFFFF;
      border-radius: 12px;
      padding: 40px;
      box-shadow: var(--shadow-pixel);
    }

    /* 页脚 */
    .custom-footer {
      background: #0B0F19;
      color: #94A3B8;
      padding-top: 80px;
      padding-bottom: 40px;
      border-top: 2px solid #1E293B;
    }
    .footer-title {
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 20px;
      font-size: 1rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: var(--accent-cyan);
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 30px;
      margin-top: 50px;
    }

/* roulang page: category1 */
:root {
      --primary: #1A65E6;
      --primary-dark: #124cb5;
      --primary-light: #EBF2FE;
      --accent-cyan: #00B4D8;
      --pixel-amber: #FFB703;
      --bg-body: #F4F7FC;
      --bg-card: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-pixel: #CBD5E1;
      --radius-main: 8px;
      --shadow-soft: 0 12px 32px rgba(26, 101, 230, 0.08);
      --shadow-hover: 0 16px 40px rgba(26, 101, 230, 0.14);
      --shadow-pixel: 3px 3px 0px #1A65E6;
      --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-mono: "SF Mono", Monaco, Consolas, "Courier New", monospace;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-body);
      color: var(--text-body);
      line-height: 1.65;
      overflow-x: hidden;
    }
    .font-mono {
      font-family: var(--font-mono);
    }
    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-color);
    }
    .navbar-brand-custom {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      letter-spacing: -0.5px;
    }
    .pixel-logo-box {
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      box-shadow: 2px 2px 0px var(--text-main);
      font-size: 1.1rem;
    }
    .nav-link-custom {
      font-weight: 600;
      color: var(--text-body) !important;
      padding: 8px 16px !important;
      border-radius: 6px;
      transition: all 0.2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary) !important;
      background-color: var(--primary-light);
    }
    .nav-cta-btn {
      background-color: var(--primary);
      color: #ffffff !important;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: 6px;
      border: 1px solid var(--primary-dark);
      box-shadow: 2px 2px 0px var(--text-main);
      transition: all 0.2s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .nav-cta-btn:hover {
      background-color: var(--primary-dark);
      box-shadow: 1px 1px 0px var(--text-main);
      transform: translate(1px, 1px);
      color: #ffffff !important;
    }
    .status-dot-pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: #10B981;
      display: inline-block;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }

    /* 页面基础块 */
    .cat-header-section {
      background: #FFFFFF;
      border-bottom: 2px solid var(--border-color);
      padding: 40px 0 32px;
    }
    .section-py {
      padding-top: 70px;
      padding-bottom: 70px;
      border-bottom: 1px solid var(--border-color);
    }
    .bg-grid-pattern {
      background-color: #F8FAFC;
      background-image: radial-gradient(#CBD5E1 1px, transparent 1px);
      background-size: 20px 20px;
    }
    .section-header-tag {
      display: inline-block;
      background: #FFFFFF;
      border: 1px solid var(--border-pixel);
      box-shadow: 2px 2px 0px var(--border-pixel);
      padding: 4px 12px;
      border-radius: 4px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 10px;
    }
    .section-desc {
      font-size: 0.98rem;
      color: var(--text-muted);
      max-width: 840px;
      margin-bottom: 0;
    }

    /* 筛选器组件 */
    .filter-group-wrap {
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      padding: 16px 20px;
      margin-top: 24px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px 14px;
      padding: 6px 0;
    }
    .filter-label {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-muted);
      min-width: 76px;
    }
    .filter-item {
      font-size: 0.85rem;
      color: var(--text-body);
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 4px 12px;
      border-radius: 4px;
      text-decoration: none;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .filter-item:hover, .filter-item.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary-dark);
      box-shadow: 2px 2px 0px var(--text-main);
    }

    /* 内容卡片系统 */
    .media-stream-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      box-shadow: var(--shadow-soft);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .media-stream-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .card-thumb-wrap {
      position: relative;
      background: #0F172A;
      aspect-ratio: 16 / 9;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #94A3B8;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .thumb-bg-code {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0.15;
      font-size: 4rem;
      color: #FFFFFF;
    }
    .thumb-badge-top-left {
      position: absolute;
      top: 10px;
      left: 10px;
      z-index: 2;
    }
    .thumb-badge-top-right {
      position: absolute;
      top: 10px;
      right: 10px;
      z-index: 2;
    }
    .thumb-duration {
      position: absolute;
      bottom: 8px;
      right: 10px;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 0.72rem;
      font-family: var(--font-mono);
      z-index: 2;
    }
    .card-meta-body {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-meta-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .card-meta-params {
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px dashed var(--border-color);
      font-size: 0.8rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .pixel-tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 2px 7px;
      border-radius: 4px;
      font-size: 0.72rem;
      font-weight: 700;
      border: 1px solid var(--border-color);
    }
    .pixel-tag.blue {
      background: var(--primary-light);
      color: var(--primary);
      border-color: #BFDBFE;
    }
    .pixel-tag.amber {
      background: #FEF3C7;
      color: #B45309;
      border-color: #FDE68A;
    }
    .pixel-tag.dark {
      background: #0F172A;
      color: #FFFFFF;
      border-color: #334155;
    }

    /* 分页器 */
    .retro-pagination {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 40px;
    }
    .retro-page-btn {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      border: 1px solid var(--border-pixel);
      box-shadow: 2px 2px 0px var(--border-pixel);
      color: var(--text-body);
      text-decoration: none;
      font-weight: 700;
      border-radius: 4px;
      transition: all 0.2s ease;
    }
    .retro-page-btn:hover, .retro-page-btn.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary-dark);
      box-shadow: 2px 2px 0px var(--text-main);
    }

    /* 排行榜横条 */
    .trending-scroll-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      padding: 16px 20px;
      box-shadow: var(--shadow-soft);
      display: flex;
      align-items: center;
      gap: 16px;
      transition: all 0.2s ease;
    }
    .trending-scroll-card:hover {
      border-color: var(--primary);
      transform: translateX(4px);
    }
    .trend-rank-box {
      width: 38px;
      height: 38px;
      background: #F1F5F9;
      border: 1px solid var(--border-pixel);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.15rem;
      border-radius: 4px;
      color: var(--text-main);
    }
    .trend-rank-box.top1 {
      background: #FEF3C7;
      border-color: #F59E0B;
      color: #B45309;
      box-shadow: 2px 2px 0px #F59E0B;
    }
    .trend-rank-box.top2 {
      background: #E2E8F0;
      border-color: #64748B;
      color: #1E293B;
      box-shadow: 2px 2px 0px #64748B;
    }
    .trend-rank-box.top3 {
      background: #FFEDD5;
      border-color: #EA580C;
      color: #C2410C;
      box-shadow: 2px 2px 0px #EA580C;
    }

    /* 技术规格表格 */
    .specs-table-card {
      background: #FFFFFF;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-pixel);
      border-radius: var(--radius-main);
      overflow: hidden;
    }
    .table-specs thead th {
      background: #0F172A;
      color: #FFFFFF;
      font-size: 0.88rem;
      font-weight: 700;
      padding: 14px 18px;
      border-bottom: none;
    }
    .table-specs tbody td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.88rem;
      vertical-align: middle;
    }
    .table-specs tbody tr:hover {
      background: #F8FAFC;
    }

    /* 日志流 */
    .changelog-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }
    .changelog-item {
      position: relative;
      padding-left: 28px;
      padding-bottom: 24px;
      border-left: 2px dashed var(--border-pixel);
    }
    .changelog-item:last-child {
      padding-bottom: 0;
      border-left: 2px solid transparent;
    }
    .changelog-dot {
      position: absolute;
      left: -7px;
      top: 2px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid #FFFFFF;
      box-shadow: 0 0 0 2px var(--primary);
    }

    /* FAQ 卡片 */
    .faq-grid-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-main);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      height: 100%;
    }
    .faq-q-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-q-title i {
      color: var(--primary);
      margin-top: 3px;
    }
    .faq-a-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 0;
    }

    /* 尾部轻量 CTA */
    .mini-cta-bar {
      background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
      border: 2px solid #334155;
      box-shadow: var(--shadow-pixel);
      border-radius: var(--radius-main);
      padding: 36px 40px;
      color: #FFFFFF;
    }

    /* 页脚 */
    .custom-footer {
      background-color: #0B1120;
      color: #94A3B8;
      padding-top: 60px;
      padding-bottom: 30px;
      border-top: 4px solid var(--primary);
    }
    .site-logo {
      font-size: 1.25rem;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .logo-pixel-box {
      width: 32px;
      height: 32px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .footer-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 18px;
      border-left: 3px solid var(--primary);
      padding-left: 10px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: #38BDF8;
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 25px;
      margin-top: 40px;
      font-size: 0.82rem;
    }

/* 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}