/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --accent: #16a34a;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif; background: var(--bg-light); color: var(--text-dark); line-height: 1.6; scroll-behavior: smooth; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
        button { cursor: pointer; font-family: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .container-narrow { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
        .section-padding { padding: 5rem 0; }
        .section-title { font-size: 2.25rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.125rem; color: var(--text-muted); max-width: 640px; margin-top: 0.75rem; }
        .glass { background: rgba(255,255,255,0.72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.3); }
        .glass-dark { background: rgba(15,23,42,0.78); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.08); }
        .dock-nav { background: rgba(255,255,255,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.5); box-shadow: 0 4px 30px rgba(0,0,0,0.06); border-radius: 100px; padding: 0.5rem 1.5rem; }
        .dock-nav .nav-link { padding: 0.5rem 1rem; border-radius: 999px; font-weight: 500; font-size: 0.9rem; color: var(--text-muted); transition: all 0.2s ease; }
        .dock-nav .nav-link:hover { background: rgba(37,99,235,0.08); color: var(--primary); }
        .dock-nav .nav-link.active { background: var(--primary); color: #fff; }
        .btn-primary { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 2rem; background: var(--primary); color: #fff; border-radius: 999px; font-weight: 600; font-size: 1rem; border: none; transition: all 0.25s ease; box-shadow: 0 4px 14px rgba(37,99,235,0.30); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.35); }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 2rem; background: transparent; color: var(--primary); border: 2px solid var(--primary); border-radius: 999px; font-weight: 600; font-size: 1rem; transition: all 0.25s ease; }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn-accent { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 2rem; background: var(--accent); color: #fff; border-radius: 999px; font-weight: 600; font-size: 1rem; border: none; transition: all 0.25s ease; box-shadow: 0 4px 14px rgba(22,163,74,0.30); }
        .btn-accent:hover { background: #15803d; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(22,163,74,0.35); }
        .card { background: var(--bg-white); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: all 0.3s ease; overflow: hidden; }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .card-img { width: 100%; height: 200px; object-fit: cover; }
        .badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; background: rgba(37,99,235,0.10); color: var(--primary); }
        .badge-accent { background: rgba(22,163,74,0.10); color: var(--accent); }
        .badge-hot { background: rgba(239,68,68,0.10); color: #ef4444; }
        .stat-number { font-size: 2.75rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
        .hero-overlay { position: relative; }
        .hero-overlay::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.70) 0%, rgba(15,23,42,0.30) 100%); z-index: 1; }
        .hero-overlay > * { position: relative; z-index: 2; }
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 1.25rem 0; }
        .faq-question { font-weight: 600; font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; }
        .faq-answer { margin-top: 0.75rem; color: var(--text-muted); line-height: 1.7; display: none; }
        .faq-item.active .faq-answer { display: block; }
        .faq-item.active .faq-icon { transform: rotate(180deg); }
        .faq-icon { transition: transform 0.3s ease; font-size: 0.85rem; color: var(--text-muted); }
        .tag { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 6px; font-size: 0.75rem; font-weight: 500; background: var(--border-light); color: var(--text-muted); transition: all 0.2s ease; }
        .tag:hover { background: var(--primary); color: #fff; }
        .footer-link { color: #cbd5e1; transition: color 0.2s ease; font-size: 0.9rem; }
        .footer-link:hover { color: #fff; }
        .mobile-menu { display: none; }
        @media (max-width: 768px) {
            .dock-nav .nav-links { display: none; }
            .mobile-menu { display: flex; }
            .section-title { font-size: 1.75rem; }
            .section-padding { padding: 3rem 0; }
            .stat-number { font-size: 2rem; }
            .container { padding: 0 1rem; }
            .dock-nav { border-radius: 60px; padding: 0.4rem 1rem; }
            .hero-title { font-size: 2rem !important; }
        }
        @media (max-width: 520px) {
            .section-title { font-size: 1.5rem; }
            .btn-primary, .btn-outline, .btn-accent { padding: 0.6rem 1.25rem; font-size: 0.9rem; }
            .dock-nav { padding: 0.3rem 0.75rem; border-radius: 40px; }
        }
        .animate-fade-in { animation: fadeIn 0.8s ease forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .stagger-1 { animation-delay: 0.1s; }
        .stagger-2 { animation-delay: 0.2s; }
        .stagger-3 { animation-delay: 0.3s; }
        .stagger-4 { animation-delay: 0.4s; }
        .scrollbar-hide::-webkit-scrollbar { display: none; }
        .scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
        .grid-card { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
        @media (max-width: 640px) { .grid-card { grid-template-columns: 1fr; } }

/* roulang page: article */
* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif; background: #fafbfc; color: #1e293b; line-height: 1.6; -webkit-font-smoothing: antialiased; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .glass { background: rgba(255,255,255,0.75); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
        .glass-card { background: rgba(255,255,255,0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,0.5); }
        .dock-nav { background: rgba(255,255,255,0.8); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border: 1px solid rgba(255,255,255,0.6); border-radius: 60px; padding: 8px 20px; box-shadow: 0 4px 30px rgba(0,0,0,0.06); }
        .nav-link { padding: 6px 14px; border-radius: 40px; font-size: 0.9rem; font-weight: 500; color: #475569; transition: all 0.2s; white-space: nowrap; }
        .nav-link:hover { background: #eff6ff; color: #2563eb; }
        .nav-link.active { background: #2563eb; color: #fff; box-shadow: 0 2px 12px rgba(37,99,235,0.3); }
        .btn-primary { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; padding: 10px 24px; border-radius: 40px; font-weight: 600; font-size: 0.9rem; transition: all 0.25s; border: none; cursor: pointer; text-decoration: none; box-shadow: 0 4px 16px rgba(37,99,235,0.25); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,99,235,0.35); background: linear-gradient(135deg, #3b82f6, #2563eb); }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline { display: inline-flex; align-items: center; gap: 6px; border: 2px solid #2563eb; color: #2563eb; padding: 8px 20px; border-radius: 40px; font-weight: 600; font-size: 0.85rem; transition: all 0.2s; background: transparent; text-decoration: none; }
        .btn-outline:hover { background: #eff6ff; transform: translateY(-1px); }
        .footer-link { color: #9ca3af; transition: color 0.2s; font-size: 0.9rem; text-decoration: none; }
        .footer-link:hover { color: #60a5fa; }
        .article-content h2 { font-size: 1.6rem; font-weight: 700; margin-top: 2rem; margin-bottom: 1rem; color: #0f172a; line-height: 1.3; }
        .article-content h3 { font-size: 1.25rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.75rem; color: #1e293b; }
        .article-content p { margin-bottom: 1.25rem; color: #334155; font-size: 1rem; line-height: 1.8; }
        .article-content ul, .article-content ol { margin-bottom: 1.25rem; padding-left: 1.5rem; color: #334155; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content a { color: #2563eb; text-decoration: underline; text-underline-offset: 2px; }
        .article-content a:hover { color: #1d4ed8; }
        .article-content blockquote { border-left: 4px solid #2563eb; background: #f1f5f9; padding: 1rem 1.5rem; margin: 1.5rem 0; border-radius: 0 12px 12px 0; color: #475569; font-style: italic; }
        .article-content img { border-radius: 16px; margin: 1.5rem 0; max-width: 100%; height: auto; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
        .article-content .wp-block-table { overflow-x: auto; margin: 1.5rem 0; }
        .article-content table { width: 100%; border-collapse: collapse; border-radius: 12px; overflow: hidden; }
        .article-content th { background: #f1f5f9; padding: 12px 16px; text-align: left; font-weight: 600; color: #0f172a; border-bottom: 2px solid #e2e8f0; }
        .article-content td { padding: 10px 16px; border-bottom: 1px solid #f1f5f9; color: #334155; }
        .tag { display: inline-block; padding: 4px 14px; border-radius: 40px; font-size: 0.8rem; font-weight: 500; background: #f1f5f9; color: #475569; transition: all 0.2s; text-decoration: none; }
        .tag:hover { background: #2563eb; color: #fff; }
        .section-title { font-size: 1.75rem; font-weight: 800; color: #0f172a; letter-spacing: -0.02em; }
        .section-sub { color: #64748b; font-size: 1rem; max-width: 600px; }
        .hero-bg { background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%); position: relative; overflow: hidden; }
        .hero-bg::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.15; mix-blend-mode: overlay; }
        .hero-bg::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.15) 0%, transparent 70%); }
        .badge-category { display: inline-flex; align-items: center; gap: 4px; padding: 4px 14px; border-radius: 40px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; background: rgba(255,255,255,0.12); color: #93c5fd; backdrop-filter: blur(4px); }
        .related-card { transition: all 0.3s; border-radius: 20px; overflow: hidden; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.04); border: 1px solid #f1f5f9; }
        .related-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
        .related-card img { transition: transform 0.5s; }
        .related-card:hover img { transform: scale(1.03); }
        @media (max-width: 768px) {
            .dock-nav { padding: 6px 12px; border-radius: 40px; }
            .nav-link { padding: 4px 10px; font-size: 0.8rem; }
            .section-title { font-size: 1.35rem; }
            .article-content h2 { font-size: 1.3rem; }
            .article-content p { font-size: 0.95rem; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .nav-links { gap: 2px; }
            .nav-link { font-size: 0.7rem; padding: 3px 8px; }
            .btn-primary { padding: 6px 14px; font-size: 0.75rem; }
        }
        .animate-fade-in { animation: fadeIn 0.6s ease-out forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
        .animate-delay-1 { animation-delay: 0.1s; }
        .animate-delay-2 { animation-delay: 0.2s; }
        .animate-delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
:root {
            --primary: #0052e6;
            --primary-light: #1a6dff;
            --primary-dark: #003db3;
            --accent: #f97316;
            --bg-body: #f8fafc;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-float: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .dock-nav {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: 3rem;
            padding: 0.6rem 1.5rem;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .nav-link {
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(0, 82, 230, 0.08);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 12px rgba(0, 82, 230, 0.3);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s ease;
            border: none;
            box-shadow: 0 4px 14px rgba(0, 82, 230, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 82, 230, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 0.5rem 1.4rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 82, 230, 0.2);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.6rem 1.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s ease;
            border: none;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
        }
        .btn-accent:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
        }
        .card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.8rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 82, 230, 0.1);
            color: var(--primary);
        }
        .badge-live {
            background: #ef4444;
            color: #fff;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .badge-accent {
            background: rgba(249, 115, 22, 0.12);
            color: #c2410c;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: #0f172a;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .footer-link {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color 0.2s;
            position: relative;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 1px;
            background: var(--primary-light);
            transition: width 0.3s;
        }
        .footer-link:hover::after {
            width: 100%;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-card);
        }
        .hero-overlay {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 20, 60, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
            z-index: 1;
        }
        .hero-overlay>* {
            position: relative;
            z-index: 2;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--primary), #4d94ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .timeline-item {
            position: relative;
            padding-left: 2rem;
            padding-bottom: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.4rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #e0ebff;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            left: 5px;
            top: 1.4rem;
            bottom: 0;
            width: 2px;
            background: #e2e8f0;
        }
        .timeline-item:last-child::after {
            display: none;
        }
        .mobile-menu {
            display: none;
            background: none;
            border: none;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none !important;
            }
            .mobile-menu {
                display: block !important;
            }
            .dock-nav {
                padding: 0.5rem 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .container {
                padding: 0 1rem;
            }
            .hero-title {
                font-size: 2.2rem !important;
            }
        }
        @media (max-width: 520px) {
            .dock-nav {
                border-radius: 2rem;
                padding: 0.4rem 0.8rem;
            }
            .btn-primary.hidden\:sm\:inline-flex {
                display: none !important;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .grid-cols-2 {
                grid-template-columns: 1fr !important;
            }
            .hero-title {
                font-size: 1.8rem !important;
            }
        }
        @media (min-width: 769px) {
            #mobileDropdown {
                display: none !important;
            }
        }
        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            padding: 1rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform 0.3s;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-content {
            padding: 0 0 1.2rem 0;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .tab-btn {
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 500;
            background: transparent;
            color: #64748b;
            border: 1px solid #e2e8f0;
            transition: all 0.2s;
        }
        .tab-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.2rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            background: #ef4444;
            color: #fff;
        }
        .live-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.2s infinite;
        }

/* roulang page: category3 */
:root {
            --primary-50: #f0f7ff;
            --primary-100: #e0effe;
            --primary-200: #b9dffd;
            --primary-300: #7cc5fb;
            --primary-400: #36a9f5;
            --primary-500: #0c8ee7;
            --primary-600: #0070c4;
            --primary-700: #01599f;
            --primary-800: #064c83;
            --primary-900: #0b406d;
            --accent-500: #f97316;
            --accent-600: #ea580c;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --radius: 1rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::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: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            background: #ffffff;
            color: var(--gray-800);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            transition: var(--transition);
        }
        input,
        textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            width: 100%;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }
        /* === Dock 导航 === */
        .dock-nav {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-radius: 60px;
            padding: 0.625rem 1rem;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .dock-nav:hover {
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.7);
        }
        .nav-link {
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--gray-600);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            background: var(--primary-50);
            color: var(--primary-700);
        }
        .nav-link.active {
            background: var(--primary-500);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(12, 142, 231, 0.35);
        }
        .nav-link.active:hover {
            background: var(--primary-600);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
            color: #fff;
            padding: 0.625rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(12, 142, 231, 0.3);
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(12, 142, 231, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--primary-600);
            padding: 0.625rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--primary-200);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary-50);
            border-color: var(--primary-400);
            transform: translateY(-2px);
        }
        .glass {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
        }
        .mobile-menu {
            display: none;
        }
        @media (max-width: 768px) {
            .mobile-menu {
                display: inline-flex;
            }
            .nav-links {
                display: none !important;
            }
            .dock-nav .btn-primary.hidden {
                display: none !important;
            }
        }
        @media (min-width: 769px) {
            #mobileDropdown {
                display: none !important;
            }
        }
        /* === 板块通用 === */
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--gray-900);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--gray-500);
            max-width: 600px;
            line-height: 1.6;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 1.75rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }
        /* === 卡片 === */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.75rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-100);
        }
        .card-img {
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            gap: 0.3rem;
        }
        .badge-primary {
            background: var(--primary-100);
            color: var(--primary-700);
        }
        .badge-accent {
            background: #fff7ed;
            color: #c2410c;
        }
        .badge-green {
            background: #ecfdf5;
            color: #065f46;
        }
        .badge-purple {
            background: #f5f3ff;
            color: #5b21b6;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        @media (max-width: 640px) {
            .stat-number {
                font-size: 2rem;
            }
        }
        .topic-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius);
            background: var(--gray-50);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .topic-item:hover {
            background: #fff;
            border-color: var(--primary-100);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .topic-rank {
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .topic-rank-1 {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
        }
        .topic-rank-2 {
            background: linear-gradient(135deg, #9ca3af, #6b7280);
            color: #fff;
        }
        .topic-rank-3 {
            background: linear-gradient(135deg, #d97706, #92400e);
            color: #fff;
        }
        .topic-rank-default {
            background: var(--gray-200);
            color: var(--gray-600);
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            padding: 1.25rem 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--gray-800);
            gap: 1rem;
            user-select: none;
        }
        .faq-question i {
            color: var(--primary-500);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--gray-600);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }
        .footer-link {
            color: var(--gray-400);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }
        /* === 响应式微调 === */
        @media (max-width: 640px) {
            .hero-title {
                font-size: 2rem !important;
            }
            .hero-desc {
                font-size: 0.95rem !important;
            }
            .dock-nav {
                padding: 0.5rem 0.75rem;
                border-radius: 40px;
            }
        }
        @media (max-width: 380px) {
            .dock-nav .flex.items-center.gap-2 span {
                font-size: 0.85rem;
            }
            .dock-nav .w-8.h-8 {
                width: 1.75rem;
                height: 1.75rem;
                font-size: 0.7rem;
            }
        }
        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--gray-100);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--gray-400);
        }
        /* 选中文本 */
        ::selection {
            background: var(--primary-200);
            color: var(--primary-900);
        }
        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-fade-in-delay-1 {
            animation: fadeInUp 0.6s ease 0.1s forwards;
            opacity: 0;
        }
        .animate-fade-in-delay-2 {
            animation: fadeInUp 0.6s ease 0.2s forwards;
            opacity: 0;
        }
        .animate-fade-in-delay-3 {
            animation: fadeInUp 0.6s ease 0.3s forwards;
            opacity: 0;
        }

/* roulang page: category2 */
/* 设计变量 */
        :root {
            --primary: #2563eb;
            --primary-light: #3b82f6;
            --primary-dark: #1d4ed8;
            --bg-light: #f8fafc;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --radius-card: 1.25rem;
            --radius-btn: 0.75rem;
            --shadow-float: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(37, 99, 235, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础 reset */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 浮动 Dock 导航 */
        .dock-nav {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: 100px;
            padding: 0.625rem 1.25rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .nav-link {
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            font-weight: 500;
            font-size: 0.925rem;
            color: #475569;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }
        .nav-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--primary);
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 卡片 */
        .card-news {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-float);
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }
        .card-news:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(37, 99, 235, 0.15);
        }
        .card-news .card-img {
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #e2e8f0;
        }
        .card-news .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .card-news:hover .card-img img {
            transform: scale(1.05);
        }
        .card-news .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }

        /* 标签 */
        .badge {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .badge-new {
            background: #ecfdf5;
            color: #059669;
        }
        .badge-primary {
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
        }

        /* 分类 filter 标签 */
        .filter-tag {
            display: inline-block;
            padding: 0.4rem 1.2rem;
            border-radius: 100px;
            font-size: 0.875rem;
            font-weight: 500;
            background: #fff;
            color: #475569;
            border: 1px solid #e2e8f0;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, 0.04);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
        }

        /* 排行列表 */
        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.875rem 0;
            border-bottom: 1px solid #f1f5f9;
            transition: var(--transition);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            padding-left: 0.5rem;
        }
        .rank-number {
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .rank-1 {
            background: #fef3c7;
            color: #d97706;
        }
        .rank-2 {
            background: #f1f5f9;
            color: #475569;
        }
        .rank-3 {
            background: #fef2f2;
            color: #b91c1c;
        }
        .rank-other {
            background: #f8fafc;
            color: #64748b;
        }

        /* Hero 区域 */
        .hero-news {
            position: relative;
            min-height: 48vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            overflow: hidden;
        }
        .hero-news::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-news .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
        }
        .hero-news .container {
            position: relative;
            z-index: 2;
        }

        /* 专题卡片 */
        .feature-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-float);
            transition: var(--transition);
            cursor: pointer;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card .feature-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }
        .feature-card:hover .feature-bg {
            transform: scale(1.05);
        }
        .feature-card .feature-gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 60%);
        }
        .feature-card .feature-content {
            position: relative;
            z-index: 2;
            padding: 1.5rem 1.5rem 1.75rem;
            width: 100%;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.25rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            color: #0f172a;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-answer {
            margin-top: 0.75rem;
            color: #475569;
            line-height: 1.8;
            font-size: 0.95rem;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        /* 搜寻框 */
        .search-box {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 100px;
            padding: 0.25rem 0.25rem 0.25rem 1.25rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2e8f0;
            transition: var(--transition);
            max-width: 480px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.12);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.75rem 0;
            font-size: 0.95rem;
            background: transparent;
            outline: none;
            color: #0f172a;
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }
        .search-box button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 100px;
            padding: 0.625rem 1.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary-dark);
        }

        /* 玻璃态 */
        .glass {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        /* 页脚链接 */
        .footer-link {
            color: #94a3b8;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #94a3b8;
            border-radius: 100px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .dock-nav {
                border-radius: 1.5rem;
                padding: 0.5rem 1rem;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu {
                display: block !important;
            }
            .hero-news {
                min-height: 40vh;
            }
            .container {
                padding: 0 1rem;
            }
            .card-news .card-body {
                padding: 1rem 1rem 1.25rem;
            }
            .feature-card {
                min-height: 220px;
            }
            .search-box {
                max-width: 100%;
                flex-direction: row;
            }
            .search-box input {
                font-size: 0.9rem;
                padding: 0.6rem 0;
            }
            .search-box button {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }
        @media (max-width: 520px) {
            .dock-nav {
                padding: 0.4rem 0.75rem;
                border-radius: 1.25rem;
            }
            .hero-news {
                min-height: 36vh;
            }
            .hero-news h1 {
                font-size: 1.75rem !important;
            }
            .filter-tag {
                font-size: 0.8rem;
                padding: 0.3rem 1rem;
            }
            .rank-item {
                padding: 0.7rem 0;
            }
            .feature-card {
                min-height: 200px;
            }
            .feature-card .feature-content {
                padding: 1rem 1rem 1.25rem;
            }
        }