/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #162d4a;
            --primary-dark: #060f1c;
            --secondary: #c9a84c;
            --secondary-light: #dfc06e;
            --secondary-dark: #a88a32;
            --bg-light: #f6f7f9;
            --bg-white: #ffffff;
            --bg-dark: #0b1a30;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-white: #f9fafb;
            --border: #e2e5ea;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg-light);
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(201, 168, 76, 0.15);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--secondary); font-size: 1.3rem; }
        .logo span { color: var(--secondary); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
            height: 100%;
        }
        .nav-list a {
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(249, 250, 251, 0.7);
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-list a:hover { color: var(--text-white); }
        .nav-list a:hover::after { width: 100%; }
        .nav-list a.active { color: var(--text-white); }
        .nav-list a.active::after { width: 100%; background: var(--secondary); }
        .nav-cta {
            background: var(--secondary);
            color: var(--primary) !important;
            padding: 8px 20px !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--secondary-light) !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,168,76,0.3); }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 80px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,48,0.88) 0%, rgba(11,26,48,0.70) 50%, rgba(11,26,48,0.50) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201,168,76,0.15);
            border: 1px solid rgba(201,168,76,0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--secondary-light);
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero-badge i { font-size: 0.7rem; }
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 span { color: var(--secondary); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(249,250,251,0.75);
            max-width: 600px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--secondary);
            color: var(--primary) !important;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(201,168,76,0.35); }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-white) !important;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            border: 1.5px solid rgba(249,250,251,0.3);
            transition: var(--transition);
        }
        .btn-outline:hover { border-color: var(--secondary); color: var(--secondary) !important; background: rgba(201,168,76,0.08); }
        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(249,250,251,0.10);
        }
        .hero-stat { text-align: left; }
        .hero-stat .num { font-size: 2rem; font-weight: 700; color: var(--text-white); }
        .hero-stat .num span { color: var(--secondary); }
        .hero-stat .label { font-size: 0.85rem; color: rgba(249,250,251,0.55); margin-top: 2px; letter-spacing: 0.3px; }

        /* ===== Section General ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt { background: var(--bg-white); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark h2, .section-dark h3 { color: var(--text-white); }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-label i { font-size: 0.7rem; }
        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-dark .section-title { color: var(--text-white); }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            line-height: 1.8;
        }
        .section-dark .section-desc { color: rgba(249,250,251,0.6); }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-desc { margin: 0 auto; }

        /* ===== Intro / About ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            aspect-ratio: 4/3;
            background: var(--primary-light);
        }
        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img { transform: scale(1.03); }
        .intro-text h3 { font-size: 1.8rem; margin-bottom: 16px; }
        .intro-text p { color: var(--text-light); margin-bottom: 20px; font-size: 1.05rem; line-height: 1.8; }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .intro-feature {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
            font-weight: 500;
        }
        .intro-feature i { color: var(--secondary); font-size: 1rem; width: 20px; }

        /* ===== Categories ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            position: relative;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(201,168,76,0.2); }
        .category-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--primary-light);
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .card-img img { transform: scale(1.05); }
        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11,26,48,0.6) 0%, transparent 60%);
        }
        .category-card .card-body {
            padding: 24px 20px 20px;
        }
        .category-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-card .card-body h3 i { color: var(--secondary); font-size: 1rem; }
        .category-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .category-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--secondary);
            font-weight: 500;
            transition: var(--transition);
        }
        .category-card .card-tag i { font-size: 0.7rem; transition: var(--transition); }
        .category-card:hover .card-tag { gap: 10px; }
        .category-card .card-tag:hover i { transform: translateX(4px); }

        /* ===== Latest News (CMS) ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: rgba(201,168,76,0.15); }
        .news-card .news-thumb {
            width: 140px;
            min-height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .news-card .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .news-card:hover .news-thumb img { transform: scale(1.05); }
        .news-card .news-info { flex: 1; min-width: 0; }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .news-card .news-meta .cat {
            background: rgba(201,168,76,0.12);
            color: var(--secondary-dark);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.75rem;
        }
        .news-card .news-meta time { font-size: 0.75rem; }
        .news-card .news-info h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-info p {
            font-size: 0.88rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.7;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            font-size: 1.05rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }
        .news-empty i { display: block; font-size: 2.4rem; color: var(--border); margin-bottom: 16px; }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stat-card {
            background: rgba(249,250,251,0.04);
            border: 1px solid rgba(249,250,251,0.08);
            border-radius: var(--radius-md);
            padding: 36px 20px;
            transition: var(--transition);
        }
        .stat-card:hover { background: rgba(249,250,251,0.08); transform: translateY(-4px); }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .stat-card .stat-num {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .stat-card .stat-num span { color: var(--secondary); }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(249,250,251,0.55);
            letter-spacing: 0.3px;
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
        }
        .process-step {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 auto 16px;
            border: 2px solid rgba(201,168,76,0.2);
        }
        .process-step h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; }
        .process-step p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }
        .process-step .step-icon { font-size: 1.8rem; color: var(--secondary); margin-bottom: 12px; }
        .process-connect {
            position: absolute;
            top: 50%;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(to right, var(--border), var(--secondary), var(--border));
            transform: translateY(-50%);
            pointer-events: none;
            opacity: 0.4;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(201,168,76,0.2); }
        .faq-item.open { border-color: var(--secondary); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover { background: rgba(201,168,76,0.04); }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--secondary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11,26,48,0.82);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-content { text-align: center; max-width: 640px; margin: 0 auto; }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(249,250,251,0.65);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-content .btn-primary { font-size: 1.05rem; padding: 16px 44px; }
        .cta-content .btn-primary i { font-size: 0.9rem; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(249,250,251,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(249,250,251,0.06);
            margin-bottom: 24px;
        }
        .footer-brand .logo { font-size: 1.4rem; margin-bottom: 12px; }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(249,250,251,0.45);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(249,250,251,0.5);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-col .social-links {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .footer-col .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(249,250,251,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(249,250,251,0.5);
            font-size: 0.9rem;
            padding: 0;
            transition: var(--transition);
        }
        .footer-col .social-links a:hover { background: var(--secondary); color: var(--primary); padding: 0; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(249,250,251,0.35);
        }
        .footer-bottom a { color: rgba(249,250,251,0.35); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 3rem; }
            .intro-grid { gap: 40px; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11,26,48,0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 16px;
                height: auto;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(201,168,76,0.1);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a { font-size: 1.05rem; padding: 12px 0; }
            .nav-cta { align-self: flex-start; margin-top: 8px; }

            .hero { min-height: 80vh; padding: 100px 0 60px; }
            .hero h1 { font-size: 2.4rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 32px; flex-wrap: wrap; }
            .hero-stat .num { font-size: 1.6rem; }

            .section { padding: 56px 0; }
            .section-title { font-size: 1.8rem; }
            .section-header { margin-bottom: 40px; }

            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .intro-features { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .news-grid { grid-template-columns: 1fr; }
            .news-card { flex-direction: column; }
            .news-card .news-thumb { width: 100%; min-height: 180px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .process-grid { grid-template-columns: 1fr; gap: 20px; }
            .process-connect { display: none; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .cta-content h2 { font-size: 1.8rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .btn-primary, .btn-outline { justify-content: center; text-align: center; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .category-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 24px 16px; }
            .stat-card .stat-num { font-size: 1.8rem; }
            .section-title { font-size: 1.5rem; }
            .faq-question { font-size: 0.92rem; padding: 14px 16px; }
            .faq-answer { font-size: 0.88rem; }
            .cta-content h2 { font-size: 1.5rem; }
            .footer-grid { gap: 24px; }
        }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        @media (max-width: 768px) { .grid-container { padding-left: 16px; padding-right: 16px; } }
        .grid-x { margin-left: 0; margin-right: 0; }
        .cell { padding-left: 0; padding-right: 0; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #b71c1c;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #6c757d;
            --text-light: #f0f0f0;
            --border-color: #e8e8f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --space-xs: 0.4rem;
            --space-sm: 0.8rem;
            --space-md: 1.6rem;
            --space-lg: 3.2rem;
            --space-xl: 6.4rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section-padding {
            padding: var(--space-xl) 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: var(--space-lg);
        }

        .text-center {
            text-align: center;
        }

        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: -0.01em;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }

        .logo span {
            color: var(--primary);
        }

        .logo:hover {
            color: var(--secondary);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }

        .nav-list a {
            padding: 0.5rem 1.2rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-list a:hover::after,
        .nav-list a.active::after {
            width: 60%;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.nav-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 0.5rem 1.6rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 0.6rem;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }

        .nav-list a.nav-cta::after {
            display: none;
        }

        .nav-list a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--secondary);
            padding: 0.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--primary);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .nav-list {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: var(--space-md);
                gap: 0.3rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition);
                pointer-events: none;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }

            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-list a {
                padding: 0.9rem 1.2rem;
                font-size: 1.05rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .nav-list a::after {
                display: none;
            }

            .nav-list a.active {
                background: rgba(230, 57, 70, 0.1);
            }

            .nav-list a.nav-cta {
                margin-left: 0;
                justify-content: center;
                margin-top: 0.4rem;
            }
        }

        /* ===== Banner / 页面头部 ===== */
        .page-banner {
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(26, 26, 46, 0.88), rgba(26, 26, 46, 0.92)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--space-xl) 0 var(--space-lg);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.15), transparent 70%);
            pointer-events: none;
        }

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

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .page-banner h1 i {
            color: var(--primary-light);
            margin-right: 0.4rem;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.8;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.2rem;
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .page-banner .breadcrumb span {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
            .page-banner {
                padding: var(--space-lg) 0 var(--space-md);
            }
        }

        /* ===== 分类筛选标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: var(--space-lg);
            justify-content: center;
        }

        .filter-tabs .tab-btn {
            padding: 0.55rem 1.5rem;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-secondary);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }

        .filter-tabs .tab-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }

        .filter-tabs .tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 赛事卡片 ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .event-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-dark);
        }

        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .event-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.25rem 0.9rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .event-card .card-badge.green {
            background: #2a9d8f;
        }
        .event-card .card-badge.blue {
            background: var(--secondary-light);
        }
        .event-card .card-badge.orange {
            background: var(--accent);
        }

        .event-card .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 0.6rem;
        }

        .event-card .card-tags .tag {
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 50px;
            background: rgba(69, 123, 157, 0.1);
            color: var(--secondary-light);
            font-weight: 500;
        }

        .event-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            transition: color var(--transition);
        }

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

        .event-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 0.8rem;
        }

        .event-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 0.8rem;
        }

        .event-card .card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .event-card .card-meta i {
            color: var(--primary-light);
        }

        /* ===== 特色资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            cursor: default;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(230, 57, 70, 0.15);
        }

        .news-list-item .nl-img {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-dark);
        }

        .news-list-item .nl-img img {
            width: 100%;
            height: 80px;
            object-fit: cover;
        }

        .news-list-item .nl-content {
            flex: 1;
            min-width: 0;
        }

        .news-list-item .nl-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 0.3rem;
            transition: color var(--transition);
        }

        .news-list-item:hover .nl-title {
            color: var(--primary);
        }

        .news-list-item .nl-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-item .nl-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.4rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .news-list-item .nl-meta i {
            color: var(--primary-light);
            margin-right: 0.2rem;
        }

        @media (max-width: 640px) {
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-list-item .nl-img {
                width: 100%;
                min-height: auto;
            }
            .news-list-item .nl-img img {
                height: 140px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .stat-card {
            text-align: center;
            padding: var(--space-md) var(--space-sm);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--secondary-light);
            margin-bottom: 0.4rem;
            opacity: 0.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }

        .faq-question {
            padding: var(--space-md);
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: var(--space-sm);
            user-select: none;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.85rem;
            transition: all var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 var(--space-md) var(--space-md);
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(26, 26, 46, 0.92), rgba(26, 26, 46, 0.88)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--space-xl) 0;
            text-align: center;
            color: var(--text-light);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(230, 57, 70, 0.12), transparent 70%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto var(--space-lg);
        }

        .cta-section .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .cta-section .btn-primary {
            padding: 0.9rem 2.4rem;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
        }

        .cta-section .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(230, 57, 70, 0.45);
            color: #fff;
        }

        .cta-section .btn-secondary {
            padding: 0.9rem 2.4rem;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .cta-section .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
        }

        /* ===== 分页 ===== */
        .pagination-nav {
            display: flex;
            justify-content: center;
            gap: 0.4rem;
            margin-top: var(--space-lg);
            flex-wrap: wrap;
        }

        .pagination-nav a,
        .pagination-nav span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            transition: all var(--transition);
        }

        .pagination-nav a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }

        .pagination-nav .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--space-xl) 0 var(--space-md);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
        }

        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .site-footer .footer-brand .logo {
            color: #fff;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        .site-footer .footer-brand .logo i {
            color: var(--primary-light);
        }

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.6rem;
        }

        .site-footer .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.3rem 0;
            transition: all var(--transition);
        }

        .site-footer .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .site-footer .social-links {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }

        .site-footer .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            padding: 0;
            transition: all var(--transition);
        }

        .site-footer .social-links a:hover {
            background: var(--primary);
            color: #fff;
            padding-left: 0;
            transform: translateY(-2px);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 520px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 占位辅助 ===== */
        .bg-soft {
            background: var(--bg-light);
        }

        .bg-white {
            background: #fff;
        }

        .mt-lg {
            margin-top: var(--space-lg);
        }

        .mb-lg {
            margin-bottom: var(--space-lg);
        }

        .mb-md {
            margin-bottom: var(--space-md);
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: 1200px;
            padding: 0 var(--space-md);
        }

        .cell {
            margin-bottom: var(--space-md);
        }

        /* 按钮基础覆盖 */
        .button {
            transition: all var(--transition);
            border-radius: var(--radius-sm);
            font-weight: 600;
        }

        /* 响应式微调 */
        @media (max-width: 520px) {
            :root {
                --space-xl: 3.2rem;
                --space-lg: 2rem;
                --space-md: 1.2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #d4a530;
            --primary-dark: #b8922a;
            --primary-light: #e8c55a;
            --secondary: #1a1a2e;
            --secondary-light: #2a2a4e;
            --bg-light: #f8f7f4;
            --bg-dark: #0e0e1a;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #3d3d4a;
            --text-muted: #8888a0;
            --text-light: #f0efe8;
            --border-light: #e8e6e0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 4rem;
            --space-xl: 6rem;
            --max-width: 1200px;
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body { font-family: var(--font-sans); color: var(--text-body); background: var(--bg-light); line-height: 1.7; -webkit-font-smoothing: antialiased; }
        a { color: var(--primary); text-decoration: none; transition: color 0.25s; }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm); }
        .text-center { text-align: center; }

        /* Header & Nav */
        .site-header {
            background: var(--secondary);
            border-bottom: 1px solid rgba(212,165,48,0.15);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.5px;
        }
        .logo i { color: var(--primary); font-size: 1.4rem; }
        .logo span { color: var(--primary); }
        .nav-list { display: flex; align-items: center; gap: 0.2rem; list-style: none; }
        .nav-list a {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            color: rgba(240,239,232,0.75);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all 0.25s;
            position: relative;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }
        .nav-list a:hover { color: var(--text-light); background: rgba(212,165,48,0.08); }
        .nav-list a:hover::after { transform: translateX(-50%) scaleX(1); }
        .nav-list a.active { color: var(--primary); }
        .nav-list a.active::after { transform: translateX(-50%) scaleX(1); }
        .nav-list a.nav-cta {
            background: var(--primary);
            color: var(--secondary);
            padding: 0.5rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(212,165,48,0.3);
        }
        .nav-list a.nav-cta::after { display: none; }
        .nav-list a.nav-cta:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,165,48,0.4); }
        .nav-toggle { display: none; background: none; border: none; color: var(--text-light); font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }

        /* Article Banner */
        .article-banner {
            position: relative;
            padding: var(--space-xl) 0 var(--space-lg);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14,14,26,0.88) 0%, rgba(14,14,26,0.55) 70%, rgba(14,14,26,0.30) 100%);
            z-index: 1;
        }
        .article-banner .container { position: relative; z-index: 2; width: 100%; }
        .article-category-badge {
            display: inline-block;
            background: var(--primary);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            letter-spacing: 0.3px;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }
        .article-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            max-width: 900px;
            margin-bottom: 1rem;
            text-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: rgba(240,239,232,0.7);
            font-size: 0.9rem;
        }
        .article-meta i { margin-right: 0.4rem; color: var(--primary); }
        .article-meta span { display: flex; align-items: center; }

        /* Article Content */
        .article-main-section {
            padding: var(--space-lg) 0;
            background: var(--bg-light);
        }
        .article-main-section .row { max-width: var(--max-width); margin: 0 auto; }
        .content-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: var(--space-md) var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .content-body h2, .content-body h3, .content-body h4 { color: var(--text-dark); margin-top: 2rem; margin-bottom: 1rem; font-weight: 700; }
        .content-body h2 { font-size: 1.6rem; border-left: 4px solid var(--primary); padding-left: 1rem; }
        .content-body h3 { font-size: 1.3rem; }
        .content-body p { margin-bottom: 1.2rem; }
        .content-body img { border-radius: var(--radius-md); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
        .content-body ul, .content-body ol { margin-bottom: 1.2rem; padding-left: 1.5rem; }
        .content-body li { margin-bottom: 0.5rem; }
        .content-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(212,165,48,0.06);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .content-body a { color: var(--primary); font-weight: 500; text-decoration: underline; }
        .content-body a:hover { color: var(--primary-dark); }

        /* Sidebar */
        .sidebar-wrapper {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: var(--space-md);
        }
        .sidebar-wrapper h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-wrapper h4 i { color: var(--primary); }
        .sidebar-list { list-style: none; padding: 0; }
        .sidebar-list li { margin-bottom: 0.6rem; }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.5rem 0.75rem;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-size: 0.95rem;
            transition: all 0.2s;
        }
        .sidebar-list a:hover { background: rgba(212,165,48,0.08); color: var(--primary); }
        .sidebar-list a i { color: var(--primary); font-size: 0.8rem; width: 18px; text-align: center; }
        .sidebar-tag {
            display: inline-block;
            padding: 0.25rem 0.8rem;
            background: rgba(212,165,48,0.1);
            color: var(--primary-dark);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            margin: 0.15rem 0.2rem;
            transition: all 0.2s;
        }
        .sidebar-tag:hover { background: var(--primary); color: var(--secondary); }

        /* Tags & Share */
        .article-tags-share {
            padding: var(--space-md) 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            margin-top: var(--space-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
        .article-tags span { color: var(--text-muted); font-size: 0.9rem; margin-right: 0.3rem; }
        .article-share { display: flex; gap: 0.5rem; align-items: center; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--border-light);
            color: var(--text-muted);
            transition: all 0.25s;
            font-size: 1rem;
        }
        .article-share a:hover { background: var(--primary); color: var(--secondary); transform: translateY(-2px); }

        /* Related Posts */
        .related-section {
            padding: var(--space-lg) 0;
            background: var(--bg-card);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: var(--space-md);
            text-align: center;
        }
        .related-section .section-title span { color: var(--primary); }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
        .related-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .related-card .card-img .card-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--secondary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
        }
        .related-card .card-body { padding: 1rem 1.2rem 1.2rem; }
        .related-card .card-body h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 0.4rem; line-height: 1.4; }
        .related-card .card-body h3 a { color: var(--text-dark); }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body .card-date { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.3rem; }

        /* CTA */
        .article-cta-section {
            padding: var(--space-lg) 0;
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .article-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .article-cta-section .container { position: relative; z-index: 1; text-align: center; }
        .article-cta-section h2 { font-size: 2rem; font-weight: 800; color: var(--text-light); margin-bottom: 0.8rem; }
        .article-cta-section p { color: rgba(240,239,232,0.7); max-width: 600px; margin: 0 auto 1.5rem; font-size: 1.05rem; }
        .btn-cta {
            display: inline-block;
            background: var(--primary);
            color: var(--secondary);
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(212,165,48,0.3);
        }
        .btn-cta:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,165,48,0.4); color: var(--secondary); }
        .btn-cta i { margin-right: 0.5rem; }

        /* Comment Section */
        .comment-section {
            padding: var(--space-lg) 0;
            background: var(--bg-light);
        }
        .comment-section .section-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--space-md);
        }
        .comment-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .comment-box textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            resize: vertical;
            transition: border 0.25s;
        }
        .comment-box textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(212,165,48,0.12); }
        .comment-box .btn-submit {
            margin-top: 1rem;
            background: var(--primary);
            color: var(--secondary);
            border: none;
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
        }
        .comment-box .btn-submit:hover { background: var(--primary-light); }

        /* Not Found */
        .not-found-section {
            padding: var(--space-xl) 0;
            text-align: center;
            min-height: 50vh;
            display: flex;
            align-items: center;
        }
        .not-found-section .container { max-width: 600px; }
        .not-found-section .nf-icon { font-size: 4rem; color: var(--primary); margin-bottom: 1rem; }
        .not-found-section h1 { font-size: 2.2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 0.8rem; }
        .not-found-section p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 1.8rem; }
        .btn-back {
            display: inline-block;
            background: var(--primary);
            color: var(--secondary);
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); color: var(--secondary); }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(240,239,232,0.6);
            padding: var(--space-lg) 0 0;
            border-top: 1px solid rgba(212,165,48,0.1);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: var(--space-md); margin-bottom: var(--space-md); }
        .footer-brand .logo { font-size: 1.4rem; margin-bottom: 0.8rem; display: inline-flex; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(240,239,232,0.5); max-width: 360px; }
        .footer-col h4 { color: var(--text-light); font-size: 0.95rem; font-weight: 700; margin-bottom: 1rem; position: relative; padding-bottom: 0.5rem; }
        .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); border-radius: 2px; }
        .footer-col a { display: block; color: rgba(240,239,232,0.5); font-size: 0.9rem; padding: 0.3rem 0; transition: all 0.2s; }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .social-links { display: flex; gap: 0.6rem; margin-top: 1rem; }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(212,165,48,0.1);
            color: var(--text-light);
            font-size: 1.1rem;
            transition: all 0.25s;
        }
        .social-links a:hover { background: var(--primary); color: var(--secondary); transform: translateY(-2px); }
        .footer-bottom {
            border-top: 1px solid rgba(212,165,48,0.08);
            padding: 1.2rem 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(240,239,232,0.35);
        }
        .footer-bottom a { color: rgba(240,239,232,0.5); }
        .footer-bottom a:hover { color: var(--primary); }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-banner h1 { font-size: 2.2rem; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--secondary);
                padding: 1rem;
                border-bottom: 1px solid rgba(212,165,48,0.15);
                gap: 0.3rem;
            }
            .nav-list.open { display: flex; }
            .nav-list a { padding: 0.7rem 1rem; width: 100%; }
            .nav-list a::after { display: none; }
            .nav-list a.nav-cta { text-align: center; }
            .article-banner { padding: var(--space-lg) 0; min-height: 260px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-meta { gap: 0.8rem; font-size: 0.8rem; flex-wrap: wrap; }
            .content-body { padding: var(--space-sm) var(--space-md); font-size: 0.98rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: var(--space-sm); }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-tags-share { flex-direction: column; align-items: flex-start; }
            .sidebar-wrapper { margin-top: var(--space-md); }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 1.3rem; }
            .article-banner { min-height: 200px; padding: var(--space-md) 0; }
            .content-body { padding: var(--space-sm); }
            .article-cta-section h2 { font-size: 1.4rem; }
            .btn-cta { padding: 0.7rem 1.8rem; font-size: 0.95rem; }
        }