/* roulang page: index */
:root {
            --primary: #0f1724;
            --primary-light: #1e293b;
            --secondary: #d4a843;
            --secondary-light: #e8c06a;
            --accent: #3b82f6;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font: inherit;
        }
        input {
            font: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 48px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-subtitle.light {
            color: rgba(255,255,255,0.75);
        }
        .section-title.light {
            color: #ffffff;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            white-space: nowrap;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--secondary);
            color: #0f1724;
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border-color: rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-accent {
            background: var(--accent);
            color: #ffffff;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: #2563eb;
            border-color: #2563eb;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
        }
        .btn-accent:active {
            transform: translateY(0);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(212, 168, 67, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(212, 168, 67, 0.2);
        }
        .badge-blue {
            background: rgba(59, 130, 246, 0.10);
            color: var(--accent);
            border-color: rgba(59, 130, 246, 0.18);
        }
        .badge-gray {
            background: rgba(71, 85, 105, 0.08);
            color: var(--text-secondary);
            border-color: rgba(71, 85, 105, 0.12);
        }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(15, 23, 36, 0.06);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--secondary);
            color: #0f1724;
        }
        .divider {
            height: 1px;
            background: var(--border);
            margin: 0;
            border: none;
        }
        .hero-overlay {
            position: relative;
            background: linear-gradient(135deg, rgba(15,23,36,0.92) 0%, rgba(15,23,36,0.72) 100%);
        }
        .hero-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: -1;
            opacity: 0.6;
            mix-blend-mode: overlay;
        }
        .text-gold {
            color: var(--secondary);
        }
        .bg-gold-soft {
            background: rgba(212, 168, 67, 0.06);
        }
        .border-gold {
            border-color: rgba(212, 168, 67, 0.25);
        }
        .nav-link {
            position: relative;
            padding: 8px 4px;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            transition: var(--transition);
            font-size: 0.92rem;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: #ffffff;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--secondary);
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--secondary);
        }
        .step-card {
            text-align: center;
            padding: 36px 28px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--secondary);
            color: #0f1724;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 18px;
        }
        .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.02rem;
            cursor: pointer;
            padding: 4px 0;
            transition: var(--transition);
            color: var(--text);
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .faq-question:hover i {
            color: var(--secondary);
        }
        .faq-answer {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-top: 12px;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.92rem;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }
        .cms-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .cms-list-item:last-child {
            border-bottom: none;
        }
        .cms-list-item:hover {
            padding-left: 8px;
        }
        .cms-list-item .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            flex-shrink: 0;
            margin-top: 8px;
        }
        .cms-list-item .cms-title {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text);
            transition: var(--transition);
            line-height: 1.4;
        }
        .cms-list-item:hover .cms-title {
            color: var(--secondary);
        }
        .cms-list-item .cms-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .cms-list-item .cms-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .footer-link {
            color: rgba(255,255,255,0.55);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--secondary);
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15,23,36,0.98);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 24px;
            padding: 40px 24px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            font-size: 1.3rem;
            font-weight: 600;
            color: rgba(255,255,255,0.8);
            transition: var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--secondary);
        }
        .mobile-close {
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 1.8rem;
            color: #ffffff;
            background: none;
            border: none;
            cursor: pointer;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.10);
            border-radius: 50px;
            padding: 6px 6px 6px 18px;
            border: 1px solid rgba(255,255,255,0.12);
            transition: var(--transition);
            max-width: 220px;
        }
        .search-box:focus-within {
            background: rgba(255,255,255,0.16);
            border-color: rgba(212,168,67,0.4);
        }
        .search-box input {
            background: transparent;
            color: #ffffff;
            font-size: 0.85rem;
            width: 130px;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .search-box button {
            color: rgba(255,255,255,0.6);
            padding: 6px 12px;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            color: var(--secondary);
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-desktop {
                display: none !important;
            }
            .search-box {
                max-width: 160px;
            }
            .search-box input {
                width: 80px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .step-card {
                padding: 28px 20px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .cms-list-item .cms-summary {
                -webkit-line-clamp: 1;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hero-title {
                font-size: 1.6rem !important;
            }
            .hero-subtitle {
                font-size: 0.95rem !important;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .cms-list-item {
                flex-direction: column;
                gap: 8px;
            }
            .cms-list-item .dot {
                display: none;
            }
            .search-box {
                max-width: 120px;
            }
            .search-box input {
                width: 60px;
                font-size: 0.8rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-nav {
                display: none !important;
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }

/* roulang page: category1 */
:root {
            --primary: #2a7de1;
            --primary-dark: #1a5cb5;
            --secondary: #f5a623;
            --secondary-light: #ffc64a;
            --bg-dark: #0f1724;
            --bg-card: #1a2538;
            --bg-section: #111c2e;
            --text-light: #e8edf5;
            --text-muted: #8a9bb5;
            --border-light: rgba(255, 255, 255, 0.06);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        /* 设计变量与主题 */
        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .bg-primary {
            background: var(--primary);
        }
        .bg-primary-dark {
            background: var(--primary-dark);
        }
        .bg-card {
            background: var(--bg-card);
        }
        .bg-section {
            background: var(--bg-section);
        }
        .border-light {
            border-color: var(--border-light);
        }
        .shadow-card {
            box-shadow: var(--shadow-card);
        }

        /* 按钮系统 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            outline: none;
            font-size: 0.95rem;
            padding: 12px 28px;
        }
        .btn-primary {
            background: var(--secondary);
            color: #0f1724;
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.15);
            color: var(--text-light);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }

        /* 搜索框 */
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.1);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            padding: 8px 12px;
            font-size: 0.85rem;
            width: 140px;
            transition: var(--transition);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            background: transparent;
            border: none;
            color: var(--text-muted);
            padding: 8px 12px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            color: var(--secondary);
        }

        /* 导航 */
        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 2px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--text-light);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--secondary);
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--secondary);
        }

        /* Footer */
        .footer-title {
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--secondary);
        }
        .divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            border: none;
            margin: 24px 0;
        }

        /* 汉堡菜单 */
        .hamburger {
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 1.4rem;
            cursor: pointer;
            display: none;
            padding: 4px;
            transition: var(--transition);
        }
        .hamburger:hover {
            color: var(--secondary);
        }

        /* 卡片 */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 166, 35, 0.15);
        }
        .card-img {
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
            margin: -28px -24px 20px -24px;
        }
        .card-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(42, 125, 225, 0.15);
            color: var(--primary);
            border: 1px solid rgba(42, 125, 225, 0.2);
            transition: var(--transition);
        }
        .tag:hover {
            background: rgba(42, 125, 225, 0.25);
        }
        .tag-secondary {
            background: rgba(245, 166, 35, 0.15);
            color: var(--secondary);
            border-color: rgba(245, 166, 35, 0.2);
        }
        .tag-secondary:hover {
            background: rgba(245, 166, 35, 0.25);
        }

        /* 步骤条 */
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            background: var(--secondary);
            color: #0f1724;
        }
        .step-content h4 {
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-light);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .icon {
            font-size: 1.2rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .faq-item[open] summary .icon {
            transform: rotate(45deg);
        }
        .faq-item .answer {
            color: var(--text-muted);
            font-size: 0.92rem;
            padding-top: 12px;
            line-height: 1.7;
            max-width: 90%;
        }

        /* 横幅背景 */
        .hero-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 36, 0.92) 0%, rgba(15, 23, 36, 0.6) 100%);
        }
        .hero-banner>* {
            position: relative;
            z-index: 2;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-banner {
                min-height: 320px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            .nav-desktop.open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #0f1724;
                border-bottom: 1px solid var(--border-light);
                padding: 12px 20px;
                z-index: 100;
            }
            .nav-desktop.open .flex {
                flex-direction: column;
                gap: 12px;
            }
            header {
                position: relative;
            }
            .search-box input {
                width: 100px;
            }
            .hero-banner {
                min-height: 260px;
            }
            .hero-banner h1 {
                font-size: 1.8rem !important;
            }
            .hero-banner p {
                font-size: 0.95rem !important;
            }
            .card {
                padding: 20px 16px;
            }
            .card-img {
                margin: -20px -16px 16px -16px;
            }
            .card-img img {
                height: 160px;
            }
        }
        @media (max-width: 520px) {
            .search-box input {
                width: 80px;
                font-size: 0.78rem;
            }
            .search-box button {
                padding: 6px 8px;
            }
            .hero-banner {
                min-height: 220px;
            }
            .hero-banner h1 {
                font-size: 1.4rem !important;
            }
            .hero-banner p {
                font-size: 0.85rem !important;
            }
            .btn {
                font-size: 0.85rem;
                padding: 10px 20px;
            }
            .step-number {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .step-content h4 {
                font-size: 0.95rem;
            }
            .step-content p {
                font-size: 0.82rem;
            }
            .faq-item summary {
                font-size: 0.92rem;
            }
            .faq-item .answer {
                font-size: 0.85rem;
            }
            .footer-title {
                font-size: 0.88rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f1724;
            --primary-light: #1a2538;
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fbbf24;
            --accent: #3b82f6;
            --bg-body: #0b1120;
            --bg-card: #131e33;
            --bg-card-hover: #1a2a42;
            --text-white: #ffffff;
            --text-muted: rgba(255, 255, 255, 0.45);
            --text-muted-light: rgba(255, 255, 255, 0.65);
            --border-light: rgba(255, 255, 255, 0.06);
            --border-muted: rgba(255, 255, 255, 0.12);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.35);
            --transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            background: var(--bg-body);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ::selection {
            background: var(--secondary);
            color: #0b1120;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1280px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-link {
            position: relative;
            font-size: 0.94rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 2px;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
            letter-spacing: 0.02em;
        }
        .nav-link:hover {
            color: var(--text-white);
        }
        .nav-link.active {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--secondary);
            color: #0b1120;
        }
        .btn-primary:hover {
            background: var(--secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            color: var(--text-white);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(245, 158, 11, 0.08);
        }
        .btn-sm {
            padding: 6px 16px;
            font-size: 0.85rem;
        }
        .btn-ghost {
            background: transparent;
            color: rgba(255, 255, 255, 0.7);
        }
        .btn-ghost:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 999px;
            padding: 2px 2px 2px 16px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 0.85rem;
            padding: 6px 0;
            width: 100px;
            transition: var(--transition);
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }
        .search-box input:focus {
            width: 140px;
        }
        .search-box button {
            background: var(--secondary);
            color: #0b1120;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--secondary-hover);
        }
        .hamburger {
            background: transparent;
            color: var(--text-white);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: none;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        @media (max-width: 767px) {
            .hamburger {
                display: inline-flex;
            }
            .nav-desktop {
                display: none;
            }
            .nav-mobile-open .nav-desktop {
                display: block;
            }
            .search-box input {
                width: 80px;
            }
            .search-box input:focus {
                width: 110px;
            }
        }
        @media (min-width: 768px) {
            .nav-desktop {
                display: block !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-muted);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(245, 158, 11, 0.15);
            color: var(--secondary-light);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .badge-sm {
            font-size: 0.65rem;
            padding: 1px 8px;
        }
        .badge-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.15);
            color: var(--text-muted-light);
        }
        .footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-link {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            border: none;
            margin: 0;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--text-white);
            border-left: 4px solid var(--secondary);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.6rem;
            margin-bottom: 0.8rem;
            color: var(--text-white);
        }
        .article-body p {
            margin-bottom: 1.2rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.85;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.6rem;
            color: rgba(255, 255, 255, 0.78);
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body a {
            color: var(--secondary);
            border-bottom: 1px solid rgba(245, 158, 11, 0.3);
        }
        .article-body a:hover {
            border-bottom-color: var(--secondary);
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(245, 158, 11, 0.06);
            padding: 12px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.4rem 0;
            color: rgba(255, 255, 255, 0.7);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.6rem auto;
            box-shadow: var(--shadow-card);
        }
        .article-body code {
            background: rgba(255, 255, 255, 0.06);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--secondary-light);
        }
        .article-body pre {
            background: rgba(0, 0, 0, 0.35);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            overflow-x: auto;
            margin: 1.4rem 0;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .article-body pre code {
            background: transparent;
            padding: 0;
            color: rgba(255, 255, 255, 0.85);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4rem 0;
            font-size: 0.9rem;
        }
        .article-body th,
        .article-body td {
            padding: 10px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            text-align: left;
        }
        .article-body th {
            background: rgba(245, 158, 11, 0.1);
            color: var(--secondary-light);
            font-weight: 600;
        }
        .article-body td {
            color: rgba(255, 255, 255, 0.7);
        }
        .article-body hr {
            border: none;
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            margin: 2rem 0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
            font-size: 0.7rem;
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.78rem;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .tag:hover {
            background: rgba(245, 158, 11, 0.12);
            color: var(--secondary);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .hero-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 280px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.88) 0%, rgba(15, 23, 36, 0.7) 60%, rgba(11, 17, 32, 0.5) 100%);
            z-index: 1;
        }
        .hero-banner>* {
            position: relative;
            z-index: 2;
        }
        @media (max-width: 639px) {
            .hero-banner {
                min-height: 200px;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .share-btn:hover {
            background: var(--secondary);
            color: #0b1120;
            border-color: var(--secondary);
            transform: translateY(-2px);
        }
        .article-nav-link {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .article-nav-link:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-muted);
            transform: translateY(-2px);
        }
        .article-nav-link .label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .article-nav-link .title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.4;
        }
        .article-nav-link:hover .title {
            color: var(--secondary);
        }
        .rel-card {
            display: block;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-muted);
        }
        .rel-card img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .rel-card .body {
            padding: 16px 18px 20px;
        }
        .rel-card .body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .rel-card .body p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rel-card:hover .body h4 {
            color: var(--secondary);
        }
        .skeleton {
            background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: var(--radius-sm);
        }
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: rgba(255, 255, 255, 0.5);
        }
        .empty-state i {
            font-size: 3rem;
            color: rgba(255, 255, 255, 0.1);
            margin-bottom: 16px;
        }
        .empty-state h3 {
            font-size: 1.3rem;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .empty-state p {
            font-size: 0.95rem;
            max-width: 400px;
            margin: 0 auto 20px;
        }

/* roulang page: category2 */
:root {
            --primary: #3b82f6;
            --primary-dark: #2563eb;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --dark: #0f1724;
            --dark-light: #1a2235;
            --dark-card: #131e33;
            --text: #f1f5f9;
            --text-muted: #94a3b8;
            --border: rgba(255, 255, 255, 0.05);
            --radius: 12px;
            --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            background: var(--dark);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            text-decoration: none;
            gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #0f1724;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
        }
        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(59, 130, 246, 0.1);
            transform: translateY(-2px);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 0 12px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            padding: 8px 0;
            font-size: 0.9rem;
            width: 140px;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .search-box button {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            padding: 8px 0 8px 8px;
            transition: color 0.3s;
        }
        .search-box button:hover {
            color: var(--secondary);
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: color 0.3s ease;
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--secondary);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .card {
            background: var(--dark-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: all 0.4s ease;
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: rgba(59, 130, 246, 0.2);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-primary {
            background: rgba(59, 130, 246, 0.15);
            color: #60a5fa;
        }
        .badge-warning {
            background: rgba(245, 158, 11, 0.15);
            color: #fbbf24;
        }
        .badge-success {
            background: rgba(16, 185, 129, 0.15);
            color: #34d399;
        }
        .badge-danger {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
        }
        .divider {
            height: 1px;
            background: var(--border);
            width: 100%;
            margin: 24px 0;
        }
        .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
        }
        .footer-link:hover {
            color: var(--secondary);
        }
        .hero-section {
            position: relative;
            background: linear-gradient(165deg, #0a0f1a 0%, #141e33 50%, #0f1724 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 24px 20px;
            text-align: center;
            transition: all 0.4s ease;
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(59, 130, 246, 0.2);
            transform: translateY(-4px);
        }
        .step-line {
            position: relative;
        }
        .step-line::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 20px;
            width: 2px;
            height: calc(100% - 40px);
            background: linear-gradient(to bottom, var(--primary), transparent);
            opacity: 0.3;
        }
        .step-item:last-child .step-line::before {
            display: none;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            transition: all 0.3s ease;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            font-size: 1.05rem;
            gap: 16px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 1.1rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question.active i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 12px;
        }
        .security-meter {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 20px;
            height: 8px;
            overflow: hidden;
            width: 100%;
        }
        .security-meter-fill {
            height: 100%;
            border-radius: 20px;
            background: linear-gradient(90deg, #f87171, #fbbf24, #34d399);
            transition: width 0.8s ease;
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-mobile {
                display: block;
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #0a0f1a;
                border-left: 1px solid rgba(255, 255, 255, 0.05);
                z-index: 1000;
                padding: 24px 20px;
                transition: right 0.35s ease;
                box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
            }
            .nav-mobile.open {
                right: 0;
            }
            .nav-mobile .nav-link {
                display: block;
                padding: 12px 0;
                font-size: 1rem;
            }
            .nav-mobile .nav-link::after {
                display: none;
            }
            .nav-mobile .nav-link.active {
                color: var(--secondary);
            }
            .mobile-overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.6);
                z-index: 999;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.35s ease;
            }
            .mobile-overlay.open {
                opacity: 1;
                pointer-events: all;
            }
            .search-box input {
                width: 100px;
            }
            .hero-section .grid {
                gap: 20px;
            }
            .stat-card {
                padding: 16px;
            }
        }
        @media (max-width: 520px) {
            .search-box {
                display: none;
            }
            .btn-primary.hidden {
                display: none !important;
            }
            .hero-section h1 {
                font-size: 1.8rem !important;
            }
            .hero-section .text-lg {
                font-size: 0.95rem !important;
            }
            .grid-cols-2 {
                grid-template-columns: 1fr !important;
            }
            .md\:grid-cols-3 {
                grid-template-columns: 1fr !important;
            }
            .md\:grid-cols-4 {
                grid-template-columns: 1fr 1fr !important;
            }
            .gap-8 {
                gap: 16px !important;
            }
            .py-16 {
                padding-top: 40px !important;
                padding-bottom: 40px !important;
            }
            .px-8 {
                padding-left: 16px !important;
                padding-right: 16px !important;
            }
            .text-3xl {
                font-size: 1.5rem !important;
            }
            .text-2xl {
                font-size: 1.25rem !important;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1e3a6f;
            --primary-dark: #0f2248;
            --secondary: #f0b429;
            --secondary-hover: #e5a711;
            --accent: #2dd4bf;
            --bg-dark: #0b1120;
            --bg-card: #131e33;
            --bg-section: #0f1729;
            --text-white: #f1f5f9;
            --text-muted: rgba(255, 255, 255, 0.45);
            --border-subtle: rgba(255, 255, 255, 0.06);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--secondary);
            color: #0b1120;
        }
        .btn-primary:hover {
            background: var(--secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 180, 41, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            border: 1.5px solid var(--secondary);
            color: var(--secondary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: #0b1120;
            transform: translateY(-2px);
        }
        .btn-ghost {
            color: var(--text-muted);
            background: transparent;
            border: 1px solid var(--border-subtle);
        }
        .btn-ghost:hover {
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.04);
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.7;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(240, 180, 41, 0.12);
            color: var(--secondary);
            border: 1px solid rgba(240, 180, 41, 0.15);
        }
        .badge-sm {
            padding: 2px 10px;
            font-size: 0.7rem;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            border-color: rgba(240, 180, 41, 0.15);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }
        .divider {
            height: 1px;
            background: var(--border-subtle);
            width: 100%;
        }
        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 2px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--text-white);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--secondary);
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--secondary);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 999px;
            border: 1px solid var(--border-subtle);
            padding: 2px 2px 2px 16px;
            transition: var(--transition);
            max-width: 200px;
        }
        .search-box:focus-within {
            border-color: rgba(240, 180, 41, 0.3);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(240, 180, 41, 0.06);
        }
        .search-box input {
            background: transparent;
            color: var(--text-white);
            font-size: 0.8rem;
            padding: 6px 0;
            width: 100%;
            min-width: 80px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            background: transparent;
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.8rem;
        }
        .search-box button:hover {
            color: var(--secondary);
        }
        .hamburger {
            background: transparent;
            color: var(--text-white);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
            display: none;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .footer-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-link {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-block;
        }
        .footer-link:hover {
            color: var(--secondary);
            transform: translateX(4px);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-subtle);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(240, 180, 41, 0.12);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-subtle);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(240, 180, 41, 0.12);
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            background: rgba(240, 180, 41, 0.1);
            color: var(--secondary);
            border: 1.5px solid rgba(240, 180, 41, 0.2);
            margin: 0 auto 16px;
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        .tag:hover {
            background: rgba(240, 180, 41, 0.08);
            color: var(--secondary);
            border-color: rgba(240, 180, 41, 0.15);
        }
        .tag-active {
            background: rgba(240, 180, 41, 0.12);
            color: var(--secondary);
            border-color: rgba(240, 180, 41, 0.2);
        }
        .hero-bg {
            background: linear-gradient(135deg, #0b1120 0%, #162244 50%, #0f1729 100%);
            position: relative;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(240, 180, 41, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-gradient {
            background: linear-gradient(135deg, #0f2248 0%, #1a2f52 100%);
            border: 1px solid rgba(240, 180, 41, 0.08);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-subtle);
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: rgba(240, 180, 41, 0.1);
            box-shadow: var(--shadow-card);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .search-box {
                max-width: 140px;
            }
            .search-box input {
                min-width: 60px;
                font-size: 0.75rem;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .step-card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item {
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .search-box {
                max-width: 100px;
            }
            .search-box input {
                min-width: 50px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(11, 17, 32, 0.98);
            z-index: 9999;
            padding: 24px;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
            backdrop-filter: blur(12px);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .close-btn {
            align-self: flex-end;
            background: transparent;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .mobile-menu a {
            font-size: 1.1rem;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-muted);
        }
        .mobile-menu a.active {
            color: var(--secondary);
        }
        .mobile-menu a:hover {
            color: var(--text-white);
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-subtle);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .guide-card:hover {
            border-color: rgba(240, 180, 41, 0.12);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .guide-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: rgba(240, 180, 41, 0.08);
            color: var(--secondary);
            flex-shrink: 0;
            border: 1px solid rgba(240, 180, 41, 0.08);
        }
        @media (max-width: 640px) {
            .guide-card {
                flex-direction: column;
                gap: 14px;
                padding: 18px;
            }
            .guide-icon {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
        }