/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #f43f5e;
            --accent-dark: #e11d48;
            --bg: #f1f5f9;
            --card: #ffffff;
            --text: #0f172a;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s ease;
            --container-width: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===================== Header / Nav ===================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 4px rgba(244, 63, 94, 0.2);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            border-radius: 999px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(15, 23, 42, 0.04);
        }
        .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
        }
        .nav-link.active::after {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-left: 6px;
            vertical-align: middle;
        }
        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(244, 63, 94, 0.3);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(15, 23, 42, 0.06);
        }
        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===================== Hero ===================== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(30, 41, 59, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(244, 63, 94, 0.08);
            pointer-events: none;
        }
        .hero-grid-lines {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: repeating-linear-gradient(90deg, transparent 0, transparent 80px, rgba(255, 255, 255, 0.04) 80px, rgba(255, 255, 255, 0.04) 81px);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 100px 0;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 1px;
            backdrop-filter: blur(8px);
            margin-bottom: 28px;
        }
        .hero-badge i {
            color: var(--accent);
            font-size: 12px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 2px;
            margin-bottom: 20px;
        }
        .hero h1 span {
            color: #fb7185;
        }
        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(244, 63, 94, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(244, 63, 94, 0.4);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-3px);
        }

        /* ===================== Stats ===================== */
        .stats-band {
            background: var(--primary);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(244, 63, 94, 0.1);
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            position: relative;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-num i {
            color: var(--accent);
            font-style: normal;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
            letter-spacing: 1px;
        }

        /* ===================== Section ===================== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 60px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(244, 63, 94, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===================== Feature Cards ===================== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 40px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::after {
            height: 100%;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            margin-bottom: 24px;
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.2);
        }
        .feature-icon.accent {
            background: linear-gradient(135deg, var(--accent), #fb7185);
            box-shadow: 0 8px 20px rgba(244, 63, 94, 0.25);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===================== Category Cards ===================== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .category-card img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover img {
            transform: scale(1.05);
        }
        .category-card .overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.4) 60%, rgba(15, 23, 42, 0.1) 100%);
        }
        .category-card .content {
            position: relative;
            z-index: 2;
            padding: 36px;
            width: 100%;
            color: #fff;
        }
        .category-card .badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .category-card h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .category-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .category-card .more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 4px;
            transition: var(--transition);
        }
        .category-card .more:hover {
            gap: 14px;
            color: #fb7185;
        }

        /* ===================== News List ===================== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(244, 63, 94, 0.3);
        }
        .news-cover {
            width: 120px;
            height: 90px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card-body {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .news-category {
            display: inline-block;
            width: fit-content;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(244, 63, 94, 0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-meta {
            font-size: 12px;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .empty-tip {
            grid-column: 1/-1;
            text-align: center;
            padding: 60px 20px;
            background: var(--card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-light);
            font-size: 15px;
        }

        /* ===================== Process ===================== */
        .process-band {
            background: var(--primary);
            color: #fff;
        }
        .process-band .section-tag {
            background: rgba(244, 63, 94, 0.2);
        }
        .process-band .section-head h2 {
            color: #fff;
        }
        .process-band .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .process-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 16px rgba(244, 63, 94, 0.3);
        }
        .process-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        /* ===================== FAQ ===================== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(244, 63, 94, 0.3);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }
        .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: 14px;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-body {
            padding: 0 28px 24px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===================== CTA ===================== */
        .cta-band {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-band h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-band p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===================== Footer ===================== */
        .site-footer {
            background: #0b1525;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fb7185;
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ===================== Responsive ===================== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                padding: 14px 20px;
                text-align: center;
            }
            .nav-cta {
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }
            .hero {
                min-height: 480px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                min-height: 300px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card {
                flex-direction: column;
            }
            .news-cover {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .features-cards {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                min-height: 440px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 6px 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-num {
                font-size: 30px;
            }
            .feature-card {
                padding: 28px 22px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .category-card .content {
                padding: 24px;
            }
            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-item .faq-body {
                padding: 0 20px 20px;
                padding-top: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --brand-900: #0a0f1e;
            --brand-800: #111827;
            --brand-700: #1e293b;
            --accent-red: #e11d2e;
            --accent-orange: #f59e0b;
            --surface: #f6f7fb;
            --text-strong: #0f172a;
            --text-muted: #64748b;
            --text-weak: #94a3b8;
            --border-soft: #e4e8f0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 14px 36px rgba(15, 23, 42, 0.13);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--surface);
            color: var(--text-strong);
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        input,
        button {
            font-family: inherit;
        }

        ::selection {
            background: rgba(225, 29, 46, .16);
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-red);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(148, 163, 184, .16);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.18rem;
            letter-spacing: -0.01em;
            color: #fff;
            white-space: nowrap;
        }

        .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 9999px;
            box-shadow: 0 0 0 4px rgba(225, 29, 46, .22);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: .92rem;
            font-weight: 500;
            color: #cbd5e1;
            border-radius: 8px;
            transition: color .2s, background .2s;
            white-space: nowrap;
        }

        .main-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .main-nav .nav-link.active {
            color: #fff;
            background: rgba(225, 29, 46, .2);
            box-shadow: inset 0 0 0 1px rgba(225, 29, 46, .4);
        }

        .main-nav .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            margin-left: 8px;
            font-size: .9rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent-red);
            border-radius: 10px;
            box-shadow: 0 4px 14px rgba(225, 29, 46, .32);
            transition: transform .2s, box-shadow .2s;
            white-space: nowrap;
        }

        .main-nav .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(225, 29, 46, .42);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform .2s;
        }

        /* Page hero */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero .bg-layer {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transform: scale(1.02);
        }

        .page-hero .overlay-layer {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 15, 30, .92) 0%, rgba(10, 15, 30, .74) 48%, rgba(10, 15, 30, .62) 100%);
        }

        .hero-glow {
            position: absolute;
            right: -120px;
            top: 20%;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(225, 29, 46, .28) 0%, transparent 68%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Section heading */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 40px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: "Space Grotesk", monospace;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .14em;
            text-transform: uppercase;
            color: var(--accent-red);
            margin-bottom: 8px;
        }

        .eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent-red);
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--text-strong);
        }

        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .9rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: color .2s;
            flex-shrink: 0;
        }

        .more-link:hover {
            color: var(--accent-red);
        }

        /* Cards */
        .news-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .news-card .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--brand-800);
        }

        .news-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

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

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            font-size: .75rem;
            font-weight: 700;
            border-radius: 9999px;
        }

        .badge-dark {
            background: rgba(10, 15, 30, .82);
            backdrop-filter: blur(8px);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .16);
        }

        /* Timeline */
        .timeline {
            border-left: 2px solid rgba(148, 163, 184, .3);
            padding-left: 24px;
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 6px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -30px;
            top: 7px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-red);
            box-shadow: 0 0 0 4px rgba(225, 29, 46, .16);
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }

        .faq-item[open] {
            border-color: rgba(225, 29, 46, .28);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-weight: 600;
            font-size: .98rem;
            color: var(--text-strong);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(225, 29, 46, .08);
            color: var(--accent-red);
            font-size: .8rem;
            transition: transform .25s, background .25s;
        }

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

        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: .92rem;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px dashed var(--border-soft);
            margin-top: 0;
            padding-top: 18px;
        }

        /* Newsletter form */
        .newsletter-form {
            display: flex;
            gap: 10px;
            max-width: 520px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        .newsletter-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 16px;
            font-size: .92rem;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            color: var(--text-strong);
            transition: border-color .2s, box-shadow .2s;
        }

        .newsletter-form input:focus {
            border-color: var(--accent-red);
            box-shadow: 0 0 0 4px rgba(225, 29, 46, .1);
            outline: none;
        }

        .newsletter-form button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 22px;
            font-size: .92rem;
            font-weight: 700;
            color: #fff;
            background: var(--accent-red);
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: transform .2s, box-shadow .2s;
        }

        .newsletter-form button:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(225, 29, 46, .3);
        }

        /* Footer */
        .site-footer {
            background: var(--brand-900);
            color: #94a3b8;
            padding: 64px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr .8fr .8fr;
            gap: 48px;
            margin-bottom: 44px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: .9rem;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: .95rem;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: .9rem;
            color: #94a3b8;
            transition: color .2s, transform .2s;
        }

        .footer-col a:hover {
            color: #fff;
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, .14);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: .84rem;
            color: #64748b;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 860px) {
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 16px;
                background: var(--brand-900);
                border-bottom: 1px solid rgba(148, 163, 184, .18);
                box-shadow: 0 18px 40px rgba(0, 0, 0, .24);
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav .nav-link {
                padding: 12px 14px;
            }
            .main-nav .nav-cta {
                justify-content: center;
                margin: 8px 0 0;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 360px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .newsletter-form input {
                min-width: 100%;
            }
        }

/* roulang page: article */
:root {
    --brand: #E8372D;
    --brand-dark: #B71C1C;
    --brand-light: #FF6B6B;
    --night: #0B0F14;
    --night-card: #111820;
    --night-border: #1F2937;
    --bg-light: #F5F7FA;
    --text-main: #1A202C;
    --text-weak: #64748B;
    --border: #E2E8F0;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background: #fff;
}

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

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 30px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.04em;
    border: 1px solid transparent;
    transition: all 0.25s ease;
    line-height: 1.4;
}

.btn:focus-visible {
    outline: 3px solid rgba(232, 55, 45, 0.4);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 6px 20px rgba(232, 55, 45, 0.28);
}

.btn-primary:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(232, 55, 45, 0.36);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-light {
    background: #fff;
    color: var(--night);
}

.btn-light:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--night);
    color: #fff;
}

.btn-dark:hover {
    background: #1f2937;
    transform: translateY(-2px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--night);
    border-bottom: 1px solid var(--night-border);
}

.site-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--brand) 0%, var(--brand-light) 100%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.logo-dot {
    width: 10px;
    height: 10px;
    background: var(--brand-light);
    border-radius: 2px;
    transform: rotate(45deg);
    box-shadow: 0 0 14px rgba(255, 107, 107, 0.8);
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    padding: 10px 16px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 2px;
    background: var(--brand-light);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.25s ease;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
    color: #fff;
}

.nav-link.active::after {
    transform: scaleX(1);
}

.nav-cta {
    margin-left: 10px;
    padding: 10px 22px;
    background: var(--brand);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    border-radius: 6px;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 16px rgba(232, 55, 45, 0.3);
}

.nav-cta:hover {
    background: var(--brand-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(232, 55, 45, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 42px;
    height: 42px;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.article-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 120px 0 100px;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--brand) 0%, var(--brand-light) 100%);
    z-index: 3;
}

.article-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(11, 15, 20, 0.95) 15%, rgba(11, 15, 20, 0.78) 60%, rgba(11, 15, 20, 0.45) 100%);
    z-index: 1;
}

.article-hero .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
}

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

.breadcrumb .sep {
    color: rgba(255, 255, 255, 0.35);
}

.breadcrumb .current {
    color: var(--brand-light);
    font-weight: 600;
}

.hero-status-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.status-chip::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--brand-light);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--brand-light);
    animation: pulse-dot 1.8s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}

.hero-meta-item i {
    color: var(--brand-light);
    font-size: 13px;
}

.article-hero h1 {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0.02em;
    max-width: 820px;
    margin-bottom: 18px;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.hero-desc {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
    max-width: 680px;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.article-main {
    padding: 80px 0 70px;
    background: #fff;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 48px;
    align-items: start;
}

.article-content-wrap {
    min-width: 0;
}

.article-content {
    font-size: 17px;
    line-height: 1.9;
    color: #2d3748;
}

.article-content h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-main);
    margin: 42px 0 18px;
    padding-left: 16px;
    border-left: 4px solid var(--brand);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin: 32px 0 14px;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 24px 0 10px;
}

.article-content p {
    margin-bottom: 18px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 20px 24px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content ul li::marker {
    color: var(--brand);
}

.article-content blockquote {
    border-left: 4px solid var(--brand);
    background: var(--bg-light);
    padding: 16px 22px;
    margin: 26px 0;
    border-radius: 0 8px 8px 0;
    color: #4a5568;
}

.article-content blockquote p {
    margin-bottom: 0;
}

.article-content img {
    border-radius: var(--radius);
    margin: 28px 0;
    box-shadow: var(--shadow);
}

.article-content a {
    color: var(--brand);
    border-bottom: 1px solid rgba(232, 55, 45, 0.3);
    transition: border-color 0.2s ease, color 0.2s ease;
}

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

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
}

.article-content th {
    background: var(--night);
    color: #fff;
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
}

.article-content td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
}

.article-content code {
    background: var(--bg-light);
    padding: 3px 7px;
    border-radius: 4px;
    font-size: 14px;
    color: var(--brand-dark);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
}

.article-tags .label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #4a5568;
    transition: all 0.2s ease;
}

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

.tag::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--brand);
    border-radius: 50%;
    flex-shrink: 0;
}

.article-empty {
    text-align: center;
    padding: 80px 24px;
    background: var(--bg-light);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}

.article-empty h3 {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 14px;
}

.article-empty p {
    color: var(--text-weak);
    margin-bottom: 26px;
    font-size: 16px;
}

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 90px;
}

.side-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

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

.side-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--night);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.06em;
}

.header-dot {
    width: 8px;
    height: 8px;
    background: var(--brand-light);
    border-radius: 1px;
    transform: rotate(45deg);
    box-shadow: 0 0 10px rgba(255, 107, 107, 0.7);
    flex-shrink: 0;
}

.side-card-body {
    padding: 18px 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--bg-light);
    font-size: 14px;
}

.info-row:last-child {
    border-bottom: none;
}

.info-row span {
    color: var(--text-weak);
}

.info-row strong {
    color: var(--text-main);
    font-weight: 700;
    text-align: right;
}

.side-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 0;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--bg-light);
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.side-link::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--brand);
    border-radius: 1px;
    transform: rotate(45deg);
    flex-shrink: 0;
}

.side-link:hover {
    color: var(--brand);
    padding-left: 6px;
}

.side-link:last-child {
    border-bottom: none;
}

.stats-bar {
    background: var(--night);
    color: #fff;
    padding: 50px 0;
    position: relative;
    border-top: 4px solid var(--brand);
    border-bottom: 1px solid var(--night-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 107, 107, 0.4);
}

.stat-index {
    font-size: 26px;
    font-weight: 900;
    color: var(--brand-light);
    line-height: 1;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.stat-body h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 5px;
    color: #fff;
}

.stat-body p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.related-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-head {
    margin-bottom: 42px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--brand);
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.section-tag::before {
    content: '';
    width: 18px;
    height: 3px;
    background: var(--brand);
    border-radius: 2px;
}

.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 10px;
}

.section-head p {
    color: var(--text-weak);
    font-size: 16px;
    max-width: 620px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.related-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232, 55, 45, 0.3);
}

.related-cover {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.related-body {
    padding: 22px 24px 26px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.related-label {
    display: inline-flex;
    align-self: flex-start;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(232, 55, 45, 0.08);
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 14px;
}

.related-label::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--brand);
    border-radius: 50%;
}

.related-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-main);
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.related-card:hover .related-body h3 {
    color: var(--brand);
}

.related-body p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-top: auto;
}

.cta-section {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 96px 0;
    color: #fff;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(11, 15, 20, 0.95) 30%, rgba(11, 15, 20, 0.8) 100%);
    z-index: 1;
}

.cta-section .container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    max-width: 640px;
}

.cta-section p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.82);
    max-width: 560px;
    margin-bottom: 30px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.faq-section {
    padding: 80px 0;
    background: #fff;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.faq-item {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius);
    padding: 24px 26px;
    transition: box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
    background: #fff;
}

.faq-q {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.5;
}

.faq-q .q-num {
    font-size: 13px;
    font-weight: 900;
    color: var(--brand);
    background: rgba(232, 55, 45, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-a {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-weak);
    padding-left: 46px;
}

.site-footer {
    background: var(--night);
    color: #fff;
    padding: 70px 0 0;
    border-top: 4px solid var(--brand);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 50px;
    border-bottom: 1px solid var(--night-border);
}

.footer-brand .logo {
    margin-bottom: 18px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.06em;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--night-border);
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 28px;
    height: 2px;
    background: var(--brand);
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    padding: 7px 0;
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col a:hover {
    color: var(--brand-light);
    padding-left: 6px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .side-card {
        flex: 1;
        min-width: 260px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 74px;
        right: 0;
        width: 280px;
        height: calc(100vh - 74px);
        background: var(--night);
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 6px;
        border-left: 1px solid var(--night-border);
        box-shadow: -20px 0 50px rgba(0, 0, 0, 0.4);
        transform: translateX(105%);
        transition: transform 0.35s ease;
        z-index: 99;
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 16px;
    }

    .nav-link::after {
        left: 16px;
        right: auto;
        width: 30px;
    }

    .nav-cta {
        margin: 16px 0 0;
        text-align: center;
        padding: 13px 20px;
    }

    .article-hero {
        padding: 90px 0 70px;
    }

    .article-hero h1 {
        font-size: 30px;
    }

    .hero-status-row {
        gap: 10px;
    }

    .article-main {
        padding: 50px 0 45px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .stat-item {
        padding: 14px;
    }

    .stat-index {
        font-size: 22px;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-section {
        padding: 70px 0;
    }

    .cta-section h2 {
        font-size: 28px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 18px;
    }

    .header-inner {
        height: 64px;
    }

    .logo {
        font-size: 18px;
    }

    .main-nav {
        top: 64px;
        height: calc(100vh - 64px);
        width: 100%;
        max-width: 320px;
    }

    .article-hero h1 {
        font-size: 25px;
    }

    .hero-desc {
        font-size: 15px;
    }

    .hero-actions .btn {
        width: 100%;
    }

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

    .article-content {
        font-size: 16px;
    }

    .article-content h2 {
        font-size: 23px;
    }

    .section-head h2 {
        font-size: 26px;
    }

    .related-body h3 {
        font-size: 17px;
    }

    .cta-section h2 {
        font-size: 24px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category2 */
:root {
            --primary: #c76b3d;
            --primary-dark: #944124;
            --bg-light: #f8f6f4;
            --text-main: #1f1b16;
            --text-weak: #6b6259;
            --border-light: #eae4de;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --transition-base: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航栏 ===== */
        .header-nav {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition-base);
        }

        .header-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-main);
            text-decoration: none;
            letter-spacing: 0.5px;
        }

        .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(199, 107, 61, 0.15);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            text-decoration: none;
            border-radius: 50px;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .main-nav a:hover {
            color: var(--primary-dark);
            background: #fdf1eb;
            border-color: #f6dfd3;
        }

        .main-nav a.active {
            color: var(--primary-dark);
            background: #fdf1eb;
            border-color: #f6dfd3;
            font-weight: 600;
        }

        .main-nav .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(199, 107, 61, 0.3);
        }

        .main-nav .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(148, 65, 36, 0.35);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-main);
            cursor: pointer;
            padding: 8px;
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
                gap: 4px;
                align-items: stretch;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                border-radius: 8px;
                padding: 12px 16px;
            }

            .main-nav .nav-cta {
                text-align: center;
                margin-top: 6px;
            }
        }

        /* ===== 按钮组件 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(199, 107, 61, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(148, 65, 36, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary-dark);
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            border: 1.5px solid var(--primary);
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            background: #fdf1eb;
            transform: translateY(-2px);
        }

        /* ===== 卡片组件 ===== */
        .card-base {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

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

        /* ===== 标签 ===== */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fdf1eb;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid #f6dfd3;
        }

        /* ===== Banner ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(31, 27, 22, 0.82), rgba(75, 40, 20, 0.72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            padding: 90px 0 70px;
            position: relative;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to bottom, transparent, var(--bg-light));
        }

        /* ===== 数据块 ===== */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition-base);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .stat-card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            position: relative;
            padding-left: 68px;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 72px;
            bottom: -28px;
            width: 2px;
            background: linear-gradient(to bottom, #e6d5cb, transparent);
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-dot {
            position: absolute;
            left: 0;
            top: 0;
            width: 48px;
            height: 48px;
            border-radius: 16px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(199, 107, 61, 0.3);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 14px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: #e0b49c;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 17px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        .faq-icon {
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1f1b16;
            color: #b8ada3;
            padding: 60px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-dot {
            background: #e08a5a;
            box-shadow: 0 0 0 4px rgba(224, 138, 90, 0.2);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 12px;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: #b8ada3;
            text-decoration: none;
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition-base);
        }

        .footer-col a:hover {
            color: #e08a5a;
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid #3a332c;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #8a7f75;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 640px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-hero {
                padding: 60px 0 50px;
            }

            .stat-num {
                font-size: 32px;
            }
        }