/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-hover: #1647b2;
            --primary-light: #e8f0fe;
            --secondary: #f97316;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
            --sidebar-width: 250px;
            --transition: 0.2s ease;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            display: flex;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input, textarea {
            font-family: inherit;
        }

        /* ---------- 侧边栏 ---------- */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--surface);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition);
        }

        .sidebar-brand {
            padding: 24px 20px 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .sidebar-brand a {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }

        .sidebar-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: white;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .sidebar-nav ul {
            list-style: none;
        }

        .sidebar-nav li {
            margin-bottom: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            gap: 10px;
        }

        .sidebar-nav a:hover,
        .sidebar-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        .sidebar-nav a.active {
            font-weight: 600;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 1.2rem;
            opacity: 0.8;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 移动端侧边栏遮罩与汉堡 */
        .menu-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            box-shadow: var(--shadow-sm);
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            margin: 5px 0;
            border-radius: 2px;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.3);
            z-index: 999;
        }

        /* ---------- 主内容区 ---------- */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            width: calc(100% - var(--sidebar-width));
            transition: margin var(--transition);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- 板块间距 ---------- */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 60px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 48px;
        }

        /* ---------- Hero ---------- */
        .hero {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 120px 0;
            position: relative;
            color: white;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.75) 0%, rgba(15,23,42,0.4) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.25rem;
            opacity: 0.9;
            max-width: 600px;
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            border: 2px solid white;
            color: white;
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.15);
        }

        /* ---------- 数据统计卡片 ---------- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ---------- 分类入口卡片 ---------- */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        .entry-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .entry-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .entry-card-body {
            padding: 24px;
        }

        .entry-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .entry-card-body p {
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-right: 8px;
        }

        /* ---------- 最新资讯列表 ---------- */
        .feed-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .feed-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: box-shadow var(--transition);
        }

        .feed-item:hover {
            box-shadow: var(--shadow);
        }

        .feed-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .feed-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feed-content h4 a {
            color: var(--text);
            transition: color var(--transition);
        }

        .feed-content h4 a:hover {
            color: var(--primary);
        }

        .feed-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
        }

        .feed-excerpt {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 8px;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            background: var(--surface);
            border-radius: var(--radius);
        }

        /* ---------- 时间线 ---------- */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

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

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 24px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            border: 2px solid white;
            box-shadow: 0 0 0 3px var(--primary-light);
        }

        .timeline-date {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .timeline-content h4 {
            font-weight: 600;
        }

        /* ---------- 社区互动 ---------- */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .community-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition);
        }

        .community-card:hover {
            transform: translateY(-3px);
        }

        .avatar-group {
            display: flex;
            margin-bottom: 12px;
        }

        .avatar-group img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid white;
            margin-right: -12px;
            object-fit: cover;
        }

        .badge-count {
            background: var(--secondary);
            color: white;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            display: inline-block;
        }

        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .topic-tag {
            background: var(--bg);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 24px 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), #1e40af);
            color: white;
            text-align: center;
            border-radius: var(--radius-lg);
            padding: 64px 24px;
        }

        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .cta-section .btn {
            margin-top: 24px;
        }

        /* ---------- 页脚 ---------- */
        .footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 40px 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer a {
            color: var(--primary);
            margin: 0 8px;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }

            .hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-lg);
                width: 280px;
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
                width: 100%;
            }

            .menu-toggle {
                display: block;
            }

            .sidebar-overlay.show {
                display: block;
            }

            .hero {
                padding: 80px 0;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .feed-item {
                flex-direction: column;
            }

            .feed-thumb {
                width: 100%;
                height: 160px;
            }

            .cards-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 48px 0;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #4f46e5;
            --primary-hover: #4338ca;
            --primary-light: #e0e7ff;
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --bg: #f9fafb;
            --surface: #ffffff;
            --text: #111827;
            --text-secondary: #4b5563;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
            --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
            --sidebar-width: 260px;
            --header-height: 64px;
            --transition: 0.2s ease;
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button, input {
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }

        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        /* 侧边栏 */
        .sidebar {
            width: var(--sidebar-width);
            background: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
            color: #ffffff;
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 40;
            transition: transform var(--transition);
            box-shadow: 4px 0 15px rgba(0,0,0,0.1);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .sidebar-brand a {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-brand a:hover {
            opacity: 0.9;
        }

        .sidebar-nav {
            flex: 1;
            padding: 20px 0;
            overflow-y: auto;
        }

        .sidebar-nav ul {
            list-style: none;
        }

        .sidebar-nav li {
            padding: 0 16px;
            margin-bottom: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255,255,255,0.8);
            transition: background var(--transition), color var(--transition);
        }

        .sidebar-nav a:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
        }

        .sidebar-nav a.active {
            background: rgba(255,255,255,0.15);
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--secondary);
        }

        .nav-icon {
            font-size: 1.2rem;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        /* 移动端汉堡按钮 */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 50;
            background: var(--primary);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: var(--shadow-md);
            cursor: pointer;
        }

        /* 主内容区 */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* 分类页 banner */
        .category-hero {
            background: linear-gradient(135deg, rgba(79,70,229,0.85) 0%, rgba(49,46,129,0.9) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 70px 32px;
            color: #fff;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .category-hero p {
            font-size: 1.2rem;
            max-width: 600px;
            color: rgba(255,255,255,0.9);
            line-height: 1.7;
        }

        /* 内容容器 */
        .content-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 32px;
            width: 100%;
        }

        /* 标签筛选栏 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 16px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            gap: 16px;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .filter-tag {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-tag.active-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .sort-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .sort-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 文章卡片网格 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
            margin-bottom: 48px;
        }

        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .card-img {
            position: relative;
            overflow: hidden;
            height: 200px;
            background: #e5e7eb;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            z-index: 2;
        }

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

        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }

        .card-title a {
            color: inherit;
            text-decoration: none;
        }

        .card-title a:hover {
            color: var(--primary);
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .card-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .card-meta .comments {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .card-excerpt {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .read-more {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .read-more:hover {
            gap: 8px;
            color: var(--primary-hover);
        }

        /* 热门话题区块 */
        .hot-topics {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .topic-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .topic-tag {
            padding: 10px 20px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 订阅CTA */
        .cta-box {
            background: linear-gradient(135deg, #312e81 0%, #4f46e5 100%);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
            color: #fff;
            margin-bottom: 48px;
        }

        .cta-box h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
        }

        .subscribe-form {
            display: flex;
            max-width: 450px;
            margin: 0 auto;
            gap: 0;
        }

        .subscribe-form input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 50px 0 0 50px;
            background: #fff;
            color: var(--text);
            font-size: 1rem;
            border: 2px solid transparent;
        }

        .subscribe-form button {
            padding: 14px 28px;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: background var(--transition);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--secondary-hover);
        }

        /* 页脚 */
        .footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 32px 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer p {
            margin: 0;
        }

        .footer a {
            color: var(--text-secondary);
            margin-left: 24px;
            transition: color var(--transition);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 240px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .app-layout {
                flex-direction: column;
            }

            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 4px 0 20px rgba(0,0,0,0.3);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .mobile-toggle {
                display: flex;
            }

            .main-content {
                margin-left: 0;
            }

            .category-hero {
                padding: 50px 24px;
            }

            .category-hero h1 {
                font-size: 1.9rem;
            }

            .category-hero p {
                font-size: 1rem;
            }

            .content-container {
                padding: 24px 16px;
            }

            .articles-grid {
                grid-template-columns: 1fr;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .card-title {
                font-size: 1.1rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                border-radius: 50px;
                margin-bottom: 10px;
            }
            .subscribe-form button {
                border-radius: 50px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #2563eb;
            --color-primary-dark: #1d4ed8;
            --color-primary-light: #3b82f6;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-light: #fbbf24;
            --color-sidebar-bg: #1e293b;
            --color-sidebar-hover: #334155;
            --color-sidebar-active: #2563eb;
            --color-sidebar-text: #cbd5e1;
            --color-sidebar-text-light: #94a3b8;
            --color-bg: #f1f5f9;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #475569;
            --color-text-muted: #64748b;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-tag-bg: #eff6ff;
            --color-tag-text: #2563eb;
            --color-tag-border: #bfdbfe;
            --color-badge-bg: #fef3c7;
            --color-badge-text: #92400e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --sidebar-width: 260px;
            --topbar-height: 56px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-normal);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar-logo {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
        }

        .sidebar-logo a:hover {
            opacity: 0.85;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 16px 20px;
        }

        .sidebar-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--color-sidebar-text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
        }

        .sidebar-nav li a:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
        }

        .sidebar-nav li a.active {
            background: var(--color-sidebar-active);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
        }

        .sidebar-nav li a .nav-icon {
            font-size: 1.15rem;
            flex-shrink: 0;
            width: 22px;
            text-align: center;
        }

        .sidebar-footer {
            padding: 16px 24px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-footer .sidebar-stats {
            display: flex;
            gap: 16px;
            margin-bottom: 12px;
        }

        .sidebar-footer .stat-item {
            text-align: center;
            flex: 1;
        }

        .sidebar-footer .stat-num {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1;
        }

        .sidebar-footer .stat-label {
            font-size: 0.7rem;
            color: var(--color-sidebar-text-light);
            margin-top: 3px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .sidebar-footer .sidebar-copy {
            font-size: 0.72rem;
            color: var(--color-sidebar-text-light);
            text-align: center;
        }

        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-normal);
        }

        .topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--color-sidebar-bg);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .topbar-logo {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topbar-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
        }

        .topbar-toggle {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: #ffffff;
            font-size: 1.3rem;
            transition: background var(--transition-fast);
        }

        .topbar-toggle:hover {
            background: var(--color-sidebar-hover);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            transition: opacity var(--transition-normal);
        }

        .sidebar-overlay.show {
            display: block;
        }

        .page-content {
            flex: 1;
            padding: 28px 32px 0;
            max-width: 900px;
            width: 100%;
            margin: 0 auto;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            padding: 0;
        }

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

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

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

        .breadcrumb .breadcrumb-current {
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .article-header-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border: 1px solid var(--color-tag-border);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 14px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .article-category-tag:hover {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
        }

        .article-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .article-meta-row .meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta-row .meta-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-secondary);
            flex-shrink: 0;
        }

        .article-meta-row .meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            background: var(--color-badge-bg);
            color: var(--color-badge-text);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
        }

        .article-cover-wrapper {
            margin-bottom: 24px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #f8fafc;
        }

        .article-cover-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            max-height: 480px;
        }

        .article-body-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 24px;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 32px 0 14px;
            color: var(--color-text);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-border-light);
            letter-spacing: -0.005em;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 26px 0 10px;
            color: var(--color-text);
        }

        .article-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: var(--color-text-secondary);
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 12px 0 16px 20px;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 6px;
            padding-left: 4px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: #f8fafc;
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 16px 0;
            max-width: 100%;
        }

        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--color-primary-dark);
        }

        .article-content code {
            background: #f1f5f9;
            padding: 2px 7px;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 0.9em;
        }

        .article-content pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 16px 0;
            font-family: var(--font-mono);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .article-tags-section {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }

        .article-tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #f8fafc;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .article-tag-pill:hover {
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-color: var(--color-tag-border);
        }

        .article-share-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .article-share-row .share-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .article-share-row .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f1f5f9;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .article-share-row .share-btn:hover {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .section-related {
            margin-bottom: 24px;
        }

        .section-related .section-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-related .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 20px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .related-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
        }

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .related-card-img {
            height: 160px;
            background: #f1f5f9;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }

        .related-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body .related-card-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }

        .related-card-body .related-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-body .related-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: auto;
        }

        .not-found-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 24px;
        }

        .not-found-card .nf-icon {
            font-size: 3rem;
            margin-bottom: 16px;
        }

        .not-found-card .nf-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .not-found-card .nf-desc {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #ffffff;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
            color: #ffffff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: var(--shadow-md);
        }

        .cta-section {
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            margin-bottom: 24px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.2);
            pointer-events: none;
        }

        .cta-section .cta-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-desc {
            font-size: 0.9rem;
            color: #cbd5e1;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent);
            color: #1e293b;
            padding: 11px 26px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.92rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }

        .cta-section .btn-cta:hover {
            background: var(--color-accent-dark);
            color: #ffffff;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        .footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            padding: 20px 32px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-left: var(--sidebar-width);
            transition: margin-left var(--transition-normal);
        }

        .footer p {
            margin-bottom: 6px;
        }

        .footer a {
            color: var(--color-text-secondary);
            margin: 0 10px;
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-xl);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .topbar {
                display: flex;
            }
            .page-content {
                padding: 20px 16px 0;
                margin-top: var(--topbar-height);
                max-width: 100%;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .article-body-card {
                padding: 20px 18px;
            }
            .article-header-card {
                padding: 20px 18px;
            }
            .related-cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer {
                margin-left: 0;
            }
            .sidebar-overlay.show {
                display: block;
            }
        }

        @media (max-width: 768px) {
            .page-content {
                padding: 14px 10px 0;
            }
            .article-title {
                font-size: 1.3rem;
            }
            .article-body-card {
                padding: 16px 14px;
                border-radius: var(--radius-md);
            }
            .article-header-card {
                padding: 16px 14px;
                border-radius: var(--radius-md);
            }
            .article-content {
                font-size: 0.98rem;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
            .article-content h3 {
                font-size: 1.05rem;
            }
            .related-cards-grid {
                grid-template-columns: 1fr;
            }
            .article-meta-row {
                gap: 10px;
                font-size: 0.78rem;
            }
            .cta-section {
                padding: 22px 16px;
                border-radius: var(--radius-md);
            }
            .cta-section .cta-title {
                font-size: 1.1rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .footer {
                padding: 16px 10px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .article-title {
                font-size: 1.15rem;
            }
            .article-body-card {
                padding: 12px 10px;
            }
            .article-header-card {
                padding: 12px 10px;
            }
            .article-content {
                font-size: 0.93rem;
                line-height: 1.7;
            }
            .article-meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .article-share-row .share-btn {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .related-card-img {
                height: 130px;
            }
            .related-cards-grid {
                gap: 10px;
            }
        }