/* roulang page: index */
:root {
            --primary: #1E40AF;
            --primary-hover: #1D4ED8;
            --accent: #0284C7;
            --accent-glow: #0EA5E9;
            --bg-canvas: #F8FAFC;
            --surface: #FFFFFF;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-pill: 9999px;
            --shadow-subtle: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(30, 64, 175, 0.08), 0 8px 10px -6px rgba(30, 64, 175, 0.04);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.8;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.35;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        /* 顶部导航 */
        .site-header {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
        }
        .navbar-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            letter-spacing: -0.02em;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-body) !important;
            padding: 0.5rem 1.1rem !important;
            border-radius: var(--radius-pill);
            transition: all 0.2s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary) !important;
            background-color: rgba(30, 64, 175, 0.06);
        }
        .nav-search-box {
            position: relative;
            max-width: 240px;
        }
        .nav-search-box input {
            background-color: #F1F5F9;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.45rem 1rem 0.45rem 2.2rem;
            font-size: 0.85rem;
            width: 100%;
            transition: border-color 0.2s;
        }
        .nav-search-box input:focus {
            outline: none;
            background-color: #fff;
            border-color: var(--primary);
        }
        .nav-search-box i {
            position: absolute;
            left: 0.85rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 统一卡片与容器 */
        .workbench-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-subtle);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            height: 100%;
        }
        .workbench-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CBD5E1;
        }

        /* 按钮与徽章 */
        .btn-brand-primary {
            background: var(--primary);
            color: #FFFFFF;
            border: 1px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.65rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-brand-primary:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
        }
        .btn-brand-outline {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            transition: all 0.2s ease;
        }
        .btn-brand-outline:hover {
            background: #F8FAFC;
            border-color: var(--primary);
            color: var(--primary);
        }
        .badge-stream-active {
            background-color: #ECFDF5;
            color: #059669;
            border: 1px solid #A7F3D0;
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .pulse-indicator {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* 统一标题引导 */
        .section-header {
            margin-bottom: 3.5rem;
        }
        .section-tag {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(2, 132, 199, 0.08);
            padding: 0.35rem 0.95rem;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 0.85rem;
        }

        /* 首屏 Hero */
        .hero-section {
            padding: 4.5rem 0 4rem;
            background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
            border-bottom: 1px solid var(--border);
        }
        .hero-lead-box {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2.2rem;
            box-shadow: var(--shadow-hover);
        }
        .form-control-custom {
            background-color: #F8FAFC;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0.75rem 1rem;
            font-size: 0.92rem;
        }
        .form-control-custom:focus {
            background-color: #FFF;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
        }

        /* 数据指标卡片 */
        .metric-num {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        /* 工作台展示面板 */
        .mock-console {
            background: #0F172A;
            border-radius: 14px;
            border: 1px solid #334155;
            color: #F8FAFC;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.35);
        }
        .mock-console-header {
            background: #1E293B;
            padding: 0.75rem 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #334155;
        }
        .console-dots {
            display: flex;
            gap: 6px;
        }
        .console-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        /* 状态流排行榜表格 */
        .table-custom {
            margin-bottom: 0;
        }
        .table-custom th {
            font-size: 0.82rem;
            color: var(--text-muted);
            text-transform: uppercase;
            font-weight: 700;
            background-color: #F8FAFC;
            border-bottom: 1px solid var(--border);
            padding: 0.85rem 1rem;
        }
        .table-custom td {
            padding: 1rem;
            vertical-align: middle;
            border-bottom: 1px solid var(--border);
            font-size: 0.92rem;
        }

        /* 资讯卡片 */
        .article-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 底部页脚 */
        .site-footer {
            background-color: #F1F5F9;
            border-top: 1px solid var(--border);
            color: var(--text-body);
            padding: 4.5rem 0 2.5rem;
        }
        .footer-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: var(--primary);
        }

/* roulang page: article */
:root {
            --primary: #1E40AF;
            --primary-hover: #1D4ED8;
            --accent: #0284C7;
            --accent-glow: #0EA5E9;
            --bg-canvas: #F8FAFC;
            --surface: #FFFFFF;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-pill: 9999px;
            --shadow-subtle: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(30, 64, 175, 0.08), 0 8px 10px -6px rgba(30, 64, 175, 0.04);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }
        .site-header {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
        }
        .navbar-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            letter-spacing: -0.02em;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-body) !important;
            padding: 0.5rem 1.1rem !important;
            border-radius: var(--radius-pill);
            transition: all 0.2s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary) !important;
            background-color: rgba(30, 64, 175, 0.06);
        }
        .nav-search-box {
            position: relative;
            max-width: 240px;
        }
        .nav-search-box input {
            background-color: #F1F5F9;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.45rem 1rem 0.45rem 2.2rem;
            font-size: 0.85rem;
            width: 100%;
            transition: border-color 0.2s;
        }
        .nav-search-box input:focus {
            outline: none;
            background-color: #fff;
            border-color: var(--primary);
        }
        .nav-search-box i {
            position: absolute;
            left: 0.85rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .btn-brand-primary {
            background: var(--primary);
            color: #FFFFFF;
            border: 1px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.65rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-brand-primary:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
        }
        .btn-brand-outline {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            transition: all 0.2s ease;
        }
        .btn-brand-outline:hover {
            background: #F8FAFC;
            border-color: var(--primary);
            color: var(--primary);
        }
        .workbench-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-subtle);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .workbench-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CBD5E1;
        }
        .section-tag {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(2, 132, 199, 0.08);
            padding: 0.35rem 0.95rem;
            border-radius: var(--radius-pill);
            display: inline-block;
            margin-bottom: 0.85rem;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
            70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }
        /* 面包屑与文章头部 */
        .article-breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
            font-size: 0.88rem;
        }
        .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-item.active {
            color: var(--text-main);
            font-weight: 600;
        }
        /* 文章全宽大图与头版 */
        .article-hero-header {
            background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
            border-bottom: 1px solid var(--border);
            padding: 3.5rem 0 3rem;
        }
        .article-h1 {
            font-size: 2.35rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }
        .article-meta-badges {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        .badge-stream-metric {
            background: #EFF6FF;
            color: var(--primary);
            border: 1px solid #BFDBFE;
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.8rem;
        }
        /* 全宽头图与视听 Pull-Quote */
        .article-featured-banner {
            width: 100%;
            height: 380px;
            background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #0369A1 100%);
            border-radius: var(--radius-card);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            margin-bottom: 3rem;
            box-shadow: var(--shadow-subtle);
        }
        .banner-grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
            background-size: 32px 32px;
        }
        .banner-center-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #FFFFFF;
            padding: 2rem;
            max-width: 760px;
        }
        .banner-center-content h2 {
            font-size: 1.85rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }
        .banner-center-content p {
            color: #94A3B8;
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .pull-quote-box {
            position: relative;
            background: #EFF6FF;
            border-left: 5px solid var(--primary);
            padding: 2rem 2.2rem;
            border-radius: 0 12px 12px 0;
            margin: 2.5rem 0;
            font-size: 1.15rem;
            font-weight: 600;
            color: #1E3A8A;
            line-height: 1.75;
        }
        .pull-quote-box i {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 3rem;
            color: rgba(30, 64, 175, 0.1);
        }
        /* 正文富文本排版容器 */
        .article-content-body {
            font-size: 1.05rem;
            line-height: 1.95;
            color: #334155;
        }
        .article-content-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 2.5rem;
            margin-bottom: 1.25rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .article-content-body h2::before {
            content: "";
            width: 4px;
            height: 1.25rem;
            background-color: var(--primary);
            border-radius: 2px;
            display: inline-block;
        }
        .article-content-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-content-body p {
            margin-bottom: 1.5rem;
        }
        .article-content-body ul, .article-content-body ol {
            margin-bottom: 1.75rem;
            padding-left: 1.5rem;
        }
        .article-content-body li {
            margin-bottom: 0.6rem;
        }
        .article-content-body pre {
            background-color: #0F172A;
            color: #F8FAFC;
            padding: 1.25rem 1.5rem;
            border-radius: 10px;
            overflow-x: auto;
            font-size: 0.9rem;
            margin: 1.5rem 0;
            border: 1px solid #1E293B;
        }
        .article-content-body blockquote {
            background-color: #F8FAFC;
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            margin: 1.75rem 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: var(--text-muted);
        }
        /* 浮动与固定工具条 */
        .article-action-panel {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-subtle);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 3rem;
        }
        /* 侧边监控栏 */
        .sidebar-monitor-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-subtle);
        }
        .sidebar-header-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            border-bottom: 1px solid #F1F5F9;
            padding-bottom: 0.75rem;
        }
        .stream-spec-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.5rem 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.85rem;
        }
        .stream-spec-row:last-child {
            border-bottom: none;
        }
        /* 术语词典卡 */
        .term-glossary-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            height: 100%;
        }
        .term-badge {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        /* 延伸推荐内容卡 */
        .recommend-article-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.25rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.25s ease;
        }
        .recommend-article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CBD5E1;
        }
        /* 底部 CTA 板块 */
        .article-bottom-cta {
            background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 60%, #0F172A 100%);
            border-radius: 18px;
            padding: 3.5rem 2.5rem;
            color: #FFFFFF;
            box-shadow: 0 20px 25px -5px rgba(30, 64, 175, 0.2);
            position: relative;
            overflow: hidden;
        }
        .cta-circuit-bg {
            position: absolute;
            right: 0;
            top: 0;
            width: 40%;
            height: 100%;
            opacity: 0.08;
            background: radial-gradient(circle, #fff 10%, transparent 10%);
            background-size: 16px 16px;
        }
        /* 空态卡片 */
        .not-found-card {
            text-align: center;
            padding: 5rem 2rem;
            background: #FFFFFF;
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
        }
        .footer-platform {
            background-color: #F1F5F9;
        }
        .footer-links a {
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 991px) {
            .article-h1 { font-size: 1.85rem; }
            .article-featured-banner { height: 260px; }
            .banner-center-content h2 { font-size: 1.4rem; }
            .pull-quote-box { font-size: 1rem; padding: 1.5rem; }
        }

/* roulang page: category1 */
:root {
            --primary: #1E40AF;
            --primary-hover: #1D4ED8;
            --accent: #0284C7;
            --accent-glow: #0EA5E9;
            --bg-canvas: #F8FAFC;
            --surface: #FFFFFF;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --radius-card: 14px;
            --radius-pill: 9999px;
            --shadow-subtle: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(30, 64, 175, 0.08), 0 8px 10px -6px rgba(30, 64, 175, 0.04);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-body);
            line-height: 1.8;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        /* 顶部导航 */
        .site-header {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
        }

        .navbar-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            letter-spacing: -0.02em;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .nav-link {
            font-weight: 600;
            color: var(--text-body) !important;
            padding: 0.5rem 1.1rem !important;
            border-radius: var(--radius-pill);
            transition: all 0.2s;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary) !important;
            background-color: rgba(30, 64, 175, 0.06);
        }

        .nav-search-box {
            position: relative;
            max-width: 240px;
        }

        .nav-search-box input {
            background-color: #F1F5F9;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.45rem 1rem 0.45rem 2.2rem;
            font-size: 0.85rem;
            width: 100%;
            transition: border-color 0.2s;
        }

        .nav-search-box input:focus {
            outline: none;
            background-color: #fff;
            border-color: var(--primary);
        }

        .nav-search-box i {
            position: absolute;
            left: 0.85rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 基础按钮与徽章 */
        .btn-brand-primary {
            background: var(--primary);
            color: #FFFFFF;
            border: 1px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.65rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-brand-primary:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
        }

        .btn-brand-outline {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-brand-outline:hover {
            background: #F8FAFC;
            border-color: var(--primary);
            color: var(--primary);
        }

        .workbench-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-subtle);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

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

        /* 分类页头部指示区 */
        .category-hero-header {
            background: linear-gradient(180deg, #EFF6FF 0%, #F8FAFC 100%);
            border-bottom: 1px solid var(--border);
            padding: 3.5rem 0 2.8rem;
        }

        .category-badge-chip {
            background: #DBEAFE;
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-pill);
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            margin-bottom: 1rem;
        }

        .category-stats-bubble {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0.5rem 1.25rem;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            box-shadow: var(--shadow-subtle);
        }

        /* 筛选工具栏 */
        .filter-workbench-bar {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-subtle);
            margin-top: -1.75rem;
            position: relative;
            z-index: 10;
        }

        .filter-chip {
            padding: 0.4rem 1rem;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-body);
            background: #F1F5F9;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .filter-chip.active, .filter-chip:hover {
            background: var(--primary);
            color: #FFFFFF;
        }

        /* 内容列表与视频卡片 */
        .stream-matrix-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            background: #FFFFFF;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all 0.25s ease;
        }

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

        .stream-preview-box {
            position: relative;
            background: #0F172A;
            padding-top: 56.25%;
            overflow: hidden;
        }

        .stream-preview-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 1rem;
            background: linear-gradient(180deg, rgba(15,23,42,0.4) 0%, rgba(15,23,42,0.85) 100%);
        }

        .stream-tag-pill {
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(4px);
            color: #38BDF8;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.65rem;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(56, 189, 248, 0.3);
            align-self: flex-start;
        }

        .stream-fps-badge {
            background: rgba(16, 185, 129, 0.9);
            color: #FFFFFF;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 0.2rem 0.55rem;
            border-radius: var(--radius-pill);
        }

        /* 指标监控条 */
        .metric-dashboard-strip {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2.2rem 1.5rem;
            box-shadow: var(--shadow-subtle);
        }

        .metric-value-display {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.03em;
        }

        /* 专题精选横卡 */
        .feature-dossier-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem;
            transition: all 0.25s ease;
            height: 100%;
        }

        .feature-dossier-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #93C5FD;
        }

        /* FAQ 手风琴重构 */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: 12px !important;
            margin-bottom: 1rem;
            background: #FFFFFF;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            font-weight: 700;
            color: var(--text-main);
            background: #FFFFFF;
            padding: 1.25rem 1.5rem;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background-color: #F8FAFC;
        }

        /* Mini CTA 引导区 */
        .category-mini-cta {
            background: linear-gradient(135deg, #1E40AF 0%, #0369A1 100%);
            border-radius: 16px;
            padding: 3rem 2.5rem;
            color: #FFFFFF;
            box-shadow: 0 12px 30px rgba(30, 64, 175, 0.2);
        }

        /* 脉冲红点与绿点 */
        .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: pulseGreen 2s infinite;
        }

        @keyframes pulseGreen {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        .pulse-live {
            width: 10px;
            height: 10px;
            background-color: #EF4444;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
            animation: pulseRed 1.8s infinite;
        }

        @keyframes pulseRed {
            0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
            70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
            100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
        }

        /* 页脚对齐 */
        .footer-platform {
            background-color: #F1F5F9;
        }

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

        .footer-links a:hover {
            color: var(--primary);
        }

/* 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}