/* roulang page: index */
:root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e8c4c9;
            --accent: #1a1a2e;
            --accent-light: #2d2d44;
            --bg-body: #f8f7f4;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-light: #8888a0;
            --text-white: #ffffff;
            --border: #e0dcd6;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.1);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .logo:hover { color: var(--primary); }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .nav-list a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
        }

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

        .nav-list a:hover { color: var(--text-primary); }
        .nav-list a:hover::after { width: 100%; }
        .nav-list a.active { color: var(--primary); }
        .nav-list a.active::after { width: 100%; }

        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            transition: var(--transition);
        }

        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(200,16,46,0.3); }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }

        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* Mobile Nav Overlay */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 40px 24px;
            flex-direction: column;
            gap: 24px;
            z-index: 999;
            opacity: 0;
            transform: translateY(-10px);
            transition: var(--transition);
        }

        .mobile-nav.open {
            display: flex;
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-nav a {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .mobile-nav a.active { color: var(--primary); }
        .mobile-nav a:hover { color: var(--primary); padding-left: 8px; }
        .mobile-nav .nav-cta-mobile {
            background: var(--primary);
            color: #fff !important;
            text-align: center;
            padding: 14px 0;
            border-radius: 50px;
            border: none;
            font-weight: 600;
        }

        /* Hero Section */
        .hero {
            margin-top: var(--nav-height);
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(200,16,46,0.4) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-white);
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero-badge i { font-size: 0.7rem; color: var(--primary-light); }

        .hero h1 {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .hero h1 span { color: #ff6b6b; }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255,255,255,0.85);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(200,16,46,0.35);
        }

        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(200,16,46,0.4); color: #fff; }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
        }

        .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); color: #fff; }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }

        .hero-stat h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 0;
        }

        /* Section Base */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .section-header .badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        /* Intro Section */
        .intro-section {
            background: var(--bg-card);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .intro-image img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }

        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(200,16,46,0.1), transparent);
        }

        .intro-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .intro-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .intro-text .feature-list {
            margin-top: 24px;
            display: grid;
            gap: 12px;
        }

        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .intro-text .feature-list li i {
            color: var(--primary);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }

        /* Service Cards */
        .service-section {
            background: var(--bg-body);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

        .service-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

        .service-card .card-body {
            padding: 28px 24px;
        }

        .service-card .card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .service-card .card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
        }

        .service-card .card-tag i { font-size: 0.7rem; }

        /* Steps / Process */
        .steps-section {
            background: var(--bg-dark);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(200,16,46,0.08);
            pointer-events: none;
        }

        .steps-section .section-header h2 { color: var(--text-white); }
        .steps-section .section-header p { color: rgba(255,255,255,0.7); }
        .steps-section .section-header .badge { background: rgba(200,16,46,0.2); color: #ff6b6b; }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 1;
        }

        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }

        .step-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: 0 4px 20px rgba(200,16,46,0.3);
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .step-item p {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* News / CMS List */
        .news-section {
            background: var(--bg-card);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-body);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .news-card .news-img {
            width: 180px;
            min-height: 150px;
            flex-shrink: 0;
            overflow: hidden;
        }

        .news-card .news-img img { width: 100%; height: 100%; object-fit: cover; }

        .news-card .news-body {
            padding: 20px 20px 20px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-card .news-body .news-cat {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
            align-self: flex-start;
        }

        .news-card .news-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-card .news-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-body .news-meta {
            font-size: 0.75rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .news-card .news-body .news-meta i { margin-right: 4px; }

        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-light);
            font-size: 1rem;
        }

        /* Benefits / Data */
        .benefits-section {
            background: var(--bg-body);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .benefit-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .benefit-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

        .benefit-item .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .benefit-item:hover .benefit-icon { background: var(--primary); color: #fff; }

        .benefit-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .benefit-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-card);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover { border-color: var(--primary-light); }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question i {
            font-size: 0.8rem;
            transition: var(--transition);
            color: var(--text-light);
        }

        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary); }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            padding: 100px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(200,16,46,0.9) 0%, rgba(26,26,46,0.85) 100%);
        }

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

        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.85);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
        }

        .cta-section .btn-primary:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

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

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.85rem;
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover { color: #fff; padding-left: 4px; }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            color: rgba(255,255,255,0.4);
            font-size: 0.8rem;
        }

        .footer-bottom .social-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom .social-links a {
            color: rgba(255,255,255,0.4);
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .footer-bottom .social-links a:hover { color: #fff; }

        /* Responsive */
        @media (max-width: 1024px) {
            .intro-grid { gap: 40px; }
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .benefits-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-list { display: none; }
            .hamburger { display: flex; }
            .mobile-nav { display: flex; opacity: 0; transform: translateY(-10px); pointer-events: none; }
            .mobile-nav.open { opacity: 1; transform: translateY(0); pointer-events: all; }

            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2rem; }
            .hero-stats { flex-wrap: wrap; gap: 24px; }
            .hero-stat h3 { font-size: 1.4rem; }

            .intro-grid { grid-template-columns: 1fr; }
            .intro-image img { min-height: 260px; }

            .card-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .news-card { flex-direction: column; }
            .news-card .news-img { width: 100%; height: 180px; }
            .news-card .news-body { padding: 16px; }

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

            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .section { padding: 60px 0; }
            .container { padding: 0 20px; }
        }

        @media (max-width: 520px) {
            .hero { min-height: 65vh; }
            .hero h1 { font-size: 1.6rem; }
            .hero p { font-size: 0.9rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .hero-stats { flex-direction: column; gap: 16px; }

            .steps-grid { grid-template-columns: 1fr; }
            .benefits-grid { grid-template-columns: 1fr; }

            .section-header h2 { font-size: 1.4rem; }
            .btn { padding: 12px 24px; font-size: 0.85rem; }
        }

        /* Foundation overrides */
        .grid-container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding-left: 12px; padding-right: 12px; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #c8102e;
            --primary-dark: #a00d24;
            --primary-light: #e8c4c8;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #d4a843;
            --bg-light: #f8f7f4;
            --bg-dark: #0f0f1a;
            --text-dark: #1a1a1a;
            --text-body: #333333;
            --text-light: #666666;
            --text-white: #ffffff;
            --border: #e0ddd8;
            --border-light: #f0eee8;
            --radius: 12px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-hover: 0 8px 32px rgba(200,16,46,0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); line-height: 1.3; font-weight: 700; }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 2px 30px rgba(0,0,0,0.06); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1.2rem;
            font-weight: 900;
            letter-spacing: 0;
            box-shadow: 0 2px 10px rgba(200,16,46,0.25);
        }
        .logo:hover { color: var(--primary); }
        .logo:hover .logo-icon { transform: scale(1.05); }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-list a:hover { color: var(--primary); background: rgba(200,16,46,0.04); }
        .nav-list a:hover::after { transform: translateX(-50%) scaleX(1); }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(200,16,46,0.06);
            font-weight: 600;
        }
        .nav-list a.active::after { transform: translateX(-50%) scaleX(1); }
        .nav-list a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(200,16,46,0.25);
            margin-left: 8px;
        }
        .nav-list a.nav-cta::after { display: none; }
        .nav-list a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200,16,46,0.30);
        }
        .nav-list a.nav-cta i { margin-right: 6px; font-size: 0.9rem; }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.2rem;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--border-light); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.20;
            filter: saturate(0.4);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,26,0.92) 0%, rgba(15,15,26,0.70) 100%);
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.65); }
        .article-breadcrumb a:hover { color: #fff; }
        .article-breadcrumb .sep { opacity: 0.4; }
        .article-hero-category {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(200,16,46,0.20);
            border: 1px solid rgba(200,16,46,0.30);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 860px;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }
        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: rgba(255,255,255,0.60);
            font-size: 0.9rem;
        }
        .article-hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .article-hero-meta i { font-size: 0.8rem; opacity: 0.6; }
        .article-hero-meta .author { color: rgba(255,255,255,0.75); }

        /* ===== Article Main ===== */
        .article-main { padding: 60px 0 80px; }
        .article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }

        .article-body {
            background: #fff;
            border-radius: var(--radius);
            padding: 48px;
            box-shadow: var(--shadow);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-sm);
            margin-bottom: 32px;
            object-fit: cover;
            max-height: 480px;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2, .article-body .content h3, .article-body .content h4 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--text-dark);
        }
        .article-body .content h2 { font-size: 1.6rem; }
        .article-body .content h3 { font-size: 1.3rem; }
        .article-body .content ul, .article-body .content ol {
            margin-bottom: 1.4em;
            padding-left: 24px;
        }
        .article-body .content li { margin-bottom: 0.4em; list-style: disc; }
        .article-body .content ol li { list-style: decimal; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-light);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body .content a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content a:hover { color: var(--primary-dark); }
        .article-body .content img { border-radius: var(--radius-sm); margin: 1.2em 0; }
        .article-body .content .cms-table-wrap { overflow-x: auto; margin: 1.4em 0; }
        .article-body .content table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
        .article-body .content th, .article-body .content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-body .content th { background: var(--bg-light); font-weight: 600; }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 4px 16px;
            background: var(--bg-light);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(200,16,46,0.06);
            border-color: var(--primary);
            color: var(--primary);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .article-share span { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 28px; }

        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--primary); font-size: 0.9rem; }

        .sidebar-related-list { display: flex; flex-direction: column; gap: 14px; }
        .sidebar-related-item {
            display: flex;
            gap: 14px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-related-item:last-child { border-bottom: none; padding-bottom: 0; }
        .sidebar-related-item img {
            width: 72px;
            height: 54px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-related-item .info { flex: 1; min-width: 0; }
        .sidebar-related-item .info a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
            transition: var(--transition);
        }
        .sidebar-related-item .info a:hover { color: var(--primary); }
        .sidebar-related-item .info .date { font-size: 0.75rem; color: var(--text-light); margin-top: 4px; display: block; }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius);
            padding: 32px 28px;
            text-align: center;
            box-shadow: 0 8px 30px rgba(200,16,46,0.25);
        }
        .sidebar-cta h4 { color: #fff; border-bottom-color: rgba(255,255,255,0.20); }
        .sidebar-cta p { font-size: 0.9rem; opacity: 0.85; margin-bottom: 20px; line-height: 1.6; }
        .sidebar-cta .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0,0,0,0.15);
        }
        .sidebar-cta .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.20); }

        .sidebar-category-list { display: flex; flex-direction: column; gap: 6px; }
        .sidebar-category-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .sidebar-category-list a:hover { background: rgba(200,16,46,0.06); color: var(--primary); }
        .sidebar-category-list a span { color: var(--text-light); font-size: 0.8rem; }

        /* ===== Not Found ===== */
        .not-found-block {
            text-align: center;
            padding: 80px 24px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-block .icon { font-size: 3.6rem; color: var(--primary-light); margin-bottom: 16px; }
        .not-found-block h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-block p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-block .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-block .btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.70);
            padding: 64px 0 0;
            border-top: 3px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .logo { color: #fff; font-size: 1.3rem; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.65; max-width: 320px; }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p { font-size: 0.82rem; opacity: 0.5; }
        .social-links { display: flex; gap: 12px; }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.50);
            transition: var(--transition);
            font-size: 1rem;
        }
        .social-links a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== Mobile Navigation ===== */
        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2rem; }
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 64px; }

            .nav-toggle { display: inline-flex; }
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.10);
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                border-bottom: 1px solid var(--border-light);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a { width: 100%; justify-content: center; padding: 12px 16px; font-size: 1rem; }
            .nav-list a::after { display: none; }
            .nav-list a.nav-cta { margin-left: 0; margin-top: 8px; }
            .nav-list a.active { background: rgba(200,16,46,0.08); }

            .article-hero { padding: 56px 0 40px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero-meta { gap: 12px; font-size: 0.8rem; }

            .article-body { padding: 24px; }
            .article-body .content { font-size: 0.98rem; }

            .article-sidebar { grid-template-columns: 1fr; }

            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .container { padding: 0 16px; }
        }

        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.25rem; }
            .article-body { padding: 16px; }
            .article-body .featured-image { max-height: 200px; }
            .article-hero .container { padding: 0 12px; }
            .sidebar-card { padding: 20px; }
            .sidebar-related-item img { width: 56px; height: 42px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-2 { margin-bottom: 16px; }
        .fw-700 { font-weight: 700; }
        .cms-empty { color: var(--text-light); font-style: italic; }
        .breadcrumb-current { color: rgba(255,255,255,0.80); }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #cc1a1a;
            --primary-dark: #a31313;
            --primary-light: #e84444;
            --secondary: #1a1a2e;
            --accent: #d4af37;
            --accent-light: #f0d68a;
            --bg-body: #fafafa;
            --bg-card: #ffffff;
            --bg-dark: #0d0d1a;
            --bg-section-alt: #f5f0eb;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-weak: #8a8a8a;
            --text-light: #f0f0f0;
            --border: #e0d6cc;
            --border-light: #f0ebe5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
            --shadow-hover: 0 16px 48px rgba(204,26,26,0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 2px; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }

        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; width: 100%; }
        @media screen and (max-width: 640px) { .container { padding: 0 16px; } }

        /* ===== Typography ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 2.5rem auto;
            text-align: center;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--primary);
            background: rgba(204,26,26,0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 0.75rem;
        }
        @media screen and (max-width: 768px) {
            .section-title { font-size: 1.6rem; }
            .section-subtitle { font-size: 1rem; }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.97);
            box-shadow: 0 4px 24px rgba(0,0,0,0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .logo:hover { color: var(--text-primary); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .nav-list a:hover {
            color: var(--primary);
            background: rgba(204,26,26,0.06);
        }
        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-list a.nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px;
            border-radius: 24px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .nav-list a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(204,26,26,0.3);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        @media screen and (max-width: 768px) {
            .nav-toggle { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.3s;
                box-shadow: 0 20px 48px rgba(0,0,0,0.08);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-list a.active::after { display: none; }
            .nav-list a.active { background: rgba(204,26,26,0.08); }
            .nav-list a.nav-cta {
                margin-top: 8px;
                justify-content: center;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            margin-top: var(--nav-height);
            padding: 80px 0 72px;
            position: relative;
            background: linear-gradient(135deg, #0d0d1a 0%, #1a0a0a 60%, #2a0a0a 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(204,26,26,0.15) 0%, transparent 70%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 620px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(204,26,26,0.2);
            backdrop-filter: blur(4px);
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 4px 18px;
            border-radius: 20px;
            margin-bottom: 1rem;
            border: 1px solid rgba(204,26,26,0.2);
        }
        @media screen and (max-width: 768px) {
            .page-hero { padding: 64px 0 48px; min-height: 260px; }
            .page-hero h1 { font-size: 2rem; }
            .page-hero p { font-size: 1rem; }
        }

        /* ===== Sections ===== */
        .site-section {
            padding: 72px 0;
        }
        .site-section.alt-bg {
            background: var(--bg-section-alt);
        }
        .site-section.dark-bg {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .site-section.dark-bg .section-title { color: #fff; }
        .site-section.dark-bg .section-subtitle { color: rgba(255,255,255,0.7); }

        @media screen and (max-width: 768px) {
            .site-section { padding: 48px 0; }
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid.col-2 { grid-template-columns: repeat(2, 1fr); }
        .card-grid.col-4 { grid-template-columns: repeat(4, 1fr); }
        @media screen and (max-width: 1024px) {
            .card-grid.col-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media screen and (max-width: 768px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .card-grid.col-2 { grid-template-columns: 1fr; }
        }
        @media screen and (max-width: 520px) {
            .card-grid { grid-template-columns: 1fr; }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card .card-body {
            padding: 20px 22px 24px;
        }
        .card .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: rgba(204,26,26,0.08);
            padding: 2px 12px;
            border-radius: 12px;
            margin-bottom: 8px;
        }
        .card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .card .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }
        .card .card-link i { font-size: 0.75rem; transition: transform var(--transition); }
        .card .card-link:hover i { transform: translateX(4px); }

        /* ===== Step Cards ===== */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-number {
            counter-increment: step;
            font-size: 2.8rem;
            font-weight: 800;
            color: rgba(204,26,26,0.12);
            line-height: 1;
            margin-bottom: 8px;
        }
        .step-card .step-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media screen and (max-width: 1024px) {
            .step-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media screen and (max-width: 520px) {
            .step-grid { grid-template-columns: 1fr; }
        }

        /* ===== Feature List ===== */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .feature-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .feature-item .fi-icon {
            flex: 0 0 44px;
            width: 44px;
            height: 44px;
            background: rgba(204,26,26,0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .feature-item .fi-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .feature-item .fi-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media screen and (max-width: 768px) {
            .feature-list { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            background: rgba(204,26,26,0.03);
        }
        .faq-item .faq-q i {
            font-size: 0.8rem;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.3s;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0d0d1a 0%, #1a0a0a 60%, #2a0a0a 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.7);
            max-width: 520px;
            margin: 0 auto 1.5rem;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .cta-section .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(204,26,26,0.35);
        }
        @media screen and (max-width: 768px) {
            .cta-section { padding: 48px 0; }
            .cta-section h2 { font-size: 1.6rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0a14;
            color: rgba(255,255,255,0.7);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.25rem;
            margin-bottom: 12px;
        }
        .footer-brand .logo .logo-icon {
            background: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            font-size: 1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        @media screen and (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media screen and (max-width: 640px) {
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-brand p { max-width: 100%; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }

        /* ===== Responsive fixes for Foundation ===== */
        @media screen and (max-width: 640px) {
            .grid-x > .cell { padding-left: 0.5rem; padding-right: 0.5rem; }
        }

        /* ===== Scroll reveal animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }