/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #e85d26;
            --primary-light: #f0793e;
            --primary-dark: #c44a1c;
            --primary-bg: #fef5f0;
            --secondary: #2b7a4b;
            --secondary-light: #3a9d5e;
            --accent: #f7b731;
            --accent-light: #f9cc6a;
            --dark: #1a1a2e;
            --dark-soft: #2d2d44;
            --text: #2d2d3a;
            --text-light: #6b6b80;
            --text-lighter: #9a9ab0;
            --bg: #ffffff;
            --bg-alt: #f8f6f4;
            --bg-card: #ffffff;
            --border: #eae6e2;
            --border-light: #f0ece8;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--dark); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container { padding-left: 16px; padding-right: 16px; }
        }

        /* ===== Typography ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }
        .section-label i { font-size: 0.75rem; }
        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--dark);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title { font-size: 1.8rem; }
            .section-subtitle { font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .section-title { font-size: 1.5rem; }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 100px;
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(232, 93, 38, 0.35);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(232, 93, 38, 0.25); }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(43, 122, 75, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(232, 93, 38, 0.2);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-white:hover {
            background: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.12);
        }
        .btn-sm { padding: 10px 22px; font-size: 0.9rem; }
        .btn-lg { padding: 18px 40px; font-size: 1.1rem; }
        @media (max-width: 520px) {
            .btn { padding: 12px 24px; font-size: 0.9rem; }
            .btn-lg { padding: 14px 28px; font-size: 1rem; }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0,0,0,0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            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(--dark);
            letter-spacing: -0.02em;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .logo span { color: var(--primary); }
        .nav-wrap { display: flex; align-items: center; gap: 8px; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: 100px;
            transition: all var(--transition);
        }
        .nav-list a:hover { color: var(--primary); background: var(--primary-bg); }
        .nav-list a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-list a i { font-size: 0.8rem; }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 16px;
        }
        .header-cta .btn { padding: 10px 24px; font-size: 0.85rem; }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 32px;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-toggle:hover { background: var(--primary-bg); }
        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--dark);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .mobile-toggle.active span:nth-child(2) { opacity: 0; }
        .mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-wrap { gap: 4px; }
            .header-cta { margin-left: 8px; }
            .header-cta .btn { padding: 8px 16px; font-size: 0.8rem; }
            .mobile-toggle { display: flex; }
            .nav-list.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-list.mobile-open a {
                padding: 12px 18px;
                font-size: 1rem;
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .header-inner { padding: 0 16px; }
            .logo { font-size: 1.15rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .header-cta .btn { padding: 6px 14px; font-size: 0.75rem; }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            padding-top: var(--header-height);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.5) 60%, rgba(232,93,38,0.25) 100%);
            z-index: 1;
        }
        .hero-shape {
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 120px;
            background: var(--bg);
            clip-path: ellipse(70% 100% at 50% 100%);
            z-index: 2;
        }
        .hero .container {
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 24px;
            padding-top: 40px;
            padding-bottom: 80px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(10px);
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            color: rgba(255,255,255,0.9);
            border: 1px solid rgba(255,255,255,0.15);
        }
        .hero-badge i { color: var(--accent); }
        .hero h1 {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.1;
            color: #fff;
            max-width: 780px;
            letter-spacing: -0.02em;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.75);
            max-width: 580px;
            line-height: 1.7;
            margin-top: 4px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 12px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-stat h3 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
        }
        .hero-stat p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero { min-height: 80vh; }
            .hero h1 { font-size: 2.8rem; }
            .hero p { font-size: 1.05rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat h3 { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 0.95rem; }
            .hero-stats { gap: 16px; }
            .hero-stat { flex: 1; min-width: 80px; }
            .hero-stat h3 { font-size: 1.3rem; }
            .hero-shape { height: 60px; }
        }

        /* ===== Sections Common ===== */
        .section { padding: 100px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-subtitle { margin: 0 auto; }
        @media (max-width: 768px) {
            .section { padding: 60px 0; }
            .section-header { margin-bottom: 40px; }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: all var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            color: #fff;
        }
        .card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
        .card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .card-link:hover { gap: 12px; }

        /* ===== Grids ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .grid-2 { grid-template-columns: 1fr; gap: 24px; }
        }
        @media (max-width: 520px) {
            .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr; }
        }

        /* ===== Feature / Intro Section ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .intro-image img { width: 100%; height: 100%; object-fit: cover; }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(232,93,38,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .intro-content .section-title { margin-bottom: 20px; }
        .intro-features {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }
        .intro-feature {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .intro-feature i {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .intro-feature h4 { font-size: 1rem; font-weight: 600; margin-bottom: 2px; }
        .intro-feature p { font-size: 0.9rem; color: var(--text-light); }
        @media (max-width: 768px) {
            .intro-grid { grid-template-columns: 1fr; gap: 36px; }
            .intro-image { order: -1; }
        }

        /* ===== Category / Tag Chips ===== */
        .chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }
        .chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
        .chip i { font-size: 0.8rem; }

        /* ===== Latest Posts / CMS List ===== */
        .post-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .post-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px;
            transition: all var(--transition);
        }
        .post-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: transparent;
        }
        .post-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .post-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .post-body { flex: 1; min-width: 0; }
        .post-body .post-cat {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 2px 12px;
            border-radius: 100px;
            margin-bottom: 6px;
        }
        .post-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-lighter);
        }
        .post-meta i { margin-right: 4px; }
        .empty-posts {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-lighter);
            font-size: 1rem;
            background: var(--bg-alt);
            border-radius: var(--radius-md);
        }
        @media (max-width: 768px) {
            .post-list { grid-template-columns: 1fr; }
            .post-card { flex-direction: column; }
            .post-thumb { width: 100%; height: 160px; }
        }
        @media (max-width: 520px) {
            .post-thumb { height: 140px; }
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item h2 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }
        .stat-item h2 span { font-size: 1.4rem; font-weight: 600; }
        .stat-item p { color: var(--text-light); font-size: 0.95rem; font-weight: 500; }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .stat-item h2 { font-size: 2.4rem; }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stat-item h2 { font-size: 2rem; }
        }

        /* ===== Steps / Timeline ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            opacity: 0.3;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 800;
            margin: 0 auto 20px;
            position: relative;
            z-index: 2;
            box-shadow: 0 8px 24px rgba(232,93,38,0.25);
        }
        .step-item:nth-child(2) .step-number { background: var(--secondary); box-shadow: 0 8px 24px rgba(43,122,75,0.25); }
        .step-item:nth-child(3) .step-number { background: var(--accent); box-shadow: 0 8px 24px rgba(247,183,49,0.25); color: var(--dark); }
        .step-item h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .step-item p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }
        @media (max-width: 768px) {
            .steps-grid { grid-template-columns: 1fr; gap: 32px; }
            .steps-grid::before { display: none; }
            .step-item { display: flex; align-items: center; gap: 20px; text-align: left; }
            .step-number { margin: 0; flex-shrink: 0; width: 52px; height: 52px; font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .step-item { flex-direction: column; text-align: center; }
            .step-number { margin: 0 auto 12px; }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            cursor: pointer;
            transition: background var(--transition);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question:hover { background: var(--bg-alt); }
        .faq-question i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform 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;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 520px) {
            .faq-question { padding: 16px 18px; font-size: 0.95rem; }
            .faq-answer { padding: 0 18px; font-size: 0.9rem; }
            .faq-item.open .faq-answer { padding: 0 18px 16px; }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 100px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(26,26,46,0.6) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        @media (max-width: 768px) {
            .cta-section { padding: 60px 0; }
            .cta-section h2 { font-size: 2rem; }
            .cta-section p { font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .cta-section h2 { font-size: 1.6rem; }
            .cta-actions { flex-direction: column; align-items: center; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 32px;
        }
        .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 {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--primary); }
        .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;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-socials { display: flex; gap: 14px; }
        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            transition: all var(--transition);
        }
        .footer-socials a:hover { background: var(--primary); color: #fff; }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 8px 28px rgba(232,93,38,0.3);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all var(--transition);
            z-index: 999;
        }
        .back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
        .back-top:hover { background: var(--primary-dark); transform: translateY(-4px); box-shadow: 0 12px 36px rgba(232,93,38,0.4); }

        /* ===== Responsive Helpers ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 3.2rem; }
        }
        @media (max-width: 520px) {
            .section { padding: 48px 0; }
            .section-header { margin-bottom: 28px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.9rem; }
            .hero-stats { flex-wrap: wrap; gap: 12px; }
            .hero-stat h3 { font-size: 1.2rem; }
            .hero-stat p { font-size: 0.8rem; }
        }

/* roulang page: article */
:root {
    --primary: #E85D3A;
    --primary-light: #F07A5C;
    --primary-dark: #C94428;
    --secondary: #2B9B7A;
    --secondary-light: #3DBD96;
    --accent: #F5A623;
    --bg: #F8F6F3;
    --bg-card: #FFFFFF;
    --bg-dark: #2D2A28;
    --text: #2D2A28;
    --text-light: #6B6560;
    --text-lighter: #9E9792;
    --border: #E8E2DC;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 4px 20px rgba(45,42,40,0.06);
    --shadow-hover: 0 12px 40px rgba(45,42,40,0.12);
    --shadow-card: 0 2px 12px rgba(45,42,40,0.05);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
    --font: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
    --max-width: 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); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* Header & Nav */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border); height: var(--nav-height);
    transition: var(--transition);
}
.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: 1.5rem; font-weight: 800; color: var(--text); letter-spacing: -0.5px;
}
.logo .logo-icon { color: var(--primary); font-size: 1.8rem; }
.logo span { color: var(--primary); font-weight: 700; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list a {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border-radius: 50px; font-size: 0.95rem;
    font-weight: 600; color: var(--text-light); transition: var(--transition);
    position: relative;
}
.nav-list a i { font-size: 0.9rem; }
.nav-list a:hover, .nav-list a.active { color: var(--primary); background: rgba(232,93,58,0.08); }
.nav-list a.active { color: var(--primary); background: rgba(232,93,58,0.12); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--text); border-radius: 3px; transition: var(--transition); }
@media (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(20px);
        flex-direction: column; padding: 16px 24px 24px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%); opacity: 0; pointer-events: none;
        transition: var(--transition); box-shadow: var(--shadow);
    }
    .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-list a { width: 100%; padding: 12px 18px; font-size: 1rem; }
}

/* Article Page */
.article-banner {
    padding: 140px 0 60px; background: linear-gradient(135deg, #FDF6F0 0%, #F8F0EB 100%);
    position: relative; overflow: hidden;
}
.article-banner::before {
    content: ''; position: absolute; top: -30%; right: -10%;
    width: 50%; height: 80%; background: radial-gradient(circle, rgba(232,93,58,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.article-banner .container { position: relative; z-index: 2; }
.article-breadcrumb {
    display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
    font-size: 0.9rem; color: var(--text-lighter); flex-wrap: wrap;
}
.article-breadcrumb a { color: var(--text-lighter); }
.article-breadcrumb a:hover { color: var(--primary); }
.article-breadcrumb .sep { color: var(--text-lighter); }
.article-meta-top {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    margin-bottom: 16px;
}
.article-category-badge {
    display: inline-block; padding: 4px 14px; border-radius: 50px;
    background: rgba(232,93,58,0.12); color: var(--primary); font-size: 0.85rem;
    font-weight: 600;
}
.article-date { font-size: 0.9rem; color: var(--text-lighter); display: flex; align-items: center; gap: 6px; }
.article-date i { font-size: 0.85rem; }
.article-banner h1 {
    font-size: 2.6rem; font-weight: 800; line-height: 1.25;
    color: var(--text); max-width: 900px; letter-spacing: -0.5px;
    margin-bottom: 16px;
}
.article-desc {
    font-size: 1.15rem; color: var(--text-light); max-width: 800px;
    line-height: 1.6;
}
@media (max-width: 768px) {
    .article-banner { padding: 110px 0 40px; }
    .article-banner h1 { font-size: 1.8rem; }
    .article-desc { font-size: 1rem; }
}

/* Article Content */
.article-content-wrap {
    padding: 60px 0 80px;
}
.article-layout {
    display: grid; grid-template-columns: 1fr 320px; gap: 48px;
}
.article-body {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 40px; box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}
.article-body h2 {
    font-size: 1.6rem; font-weight: 700; margin: 32px 0 16px; color: var(--text);
    line-height: 1.3;
}
.article-body h3 {
    font-size: 1.25rem; font-weight: 700; margin: 24px 0 12px; color: var(--text);
}
.article-body p {
    margin-bottom: 16px; color: var(--text-light); line-height: 1.8;
}
.article-body ul, .article-body ol {
    margin: 0 0 20px 20px; color: var(--text-light);
}
.article-body li { margin-bottom: 8px; }
.article-body img {
    border-radius: var(--radius-sm); margin: 24px 0;
    width: 100%; object-fit: cover;
}
.article-body blockquote {
    border-left: 4px solid var(--primary); padding: 16px 24px;
    margin: 24px 0; background: rgba(232,93,58,0.04);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-light); font-style: italic;
}
.article-body a { color: var(--primary); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--primary-dark); }
.article-body .cms-content { margin-top: 8px; }
.article-body .cms-content p:last-child { margin-bottom: 0; }
.article-tags {
    display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px;
    padding-top: 24px; border-top: 1px solid var(--border);
}
.article-tags .tag {
    display: inline-block; padding: 4px 14px; border-radius: 50px;
    background: var(--bg); color: var(--text-light); font-size: 0.85rem;
    border: 1px solid var(--border); transition: var(--transition);
}
.article-tags .tag:hover { border-color: var(--primary); color: var(--primary); }

/* Sidebar */
.article-sidebar {
    display: flex; flex-direction: column; gap: 32px;
}
.sidebar-card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 28px; box-shadow: var(--shadow-card); border: 1px solid var(--border);
}
.sidebar-card h3 {
    font-size: 1.1rem; font-weight: 700; margin-bottom: 18px;
    display: flex; align-items: center; gap: 8px;
}
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list {
    display: flex; flex-direction: column; gap: 12px;
}
.sidebar-list a {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 10px 0; border-bottom: 1px solid var(--border);
    transition: var(--transition); color: var(--text-light);
}
.sidebar-list a:last-child { border-bottom: none; }
.sidebar-list a:hover { color: var(--primary); padding-left: 6px; }
.sidebar-list a .num {
    flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
    background: rgba(232,93,58,0.08); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700;
}
.sidebar-list a .text { flex: 1; font-size: 0.95rem; line-height: 1.4; }
.sidebar-cta {
    text-align: center; padding: 32px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius); color: #fff;
}
.sidebar-cta h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.sidebar-cta p { font-size: 0.95rem; opacity: 0.9; margin-bottom: 20px; }
.sidebar-cta .btn {
    display: inline-block; padding: 10px 28px; border-radius: 50px;
    background: #fff; color: var(--primary); font-weight: 700;
    font-size: 0.95rem; transition: var(--transition);
}
.sidebar-cta .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; gap: 32px; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 640px) {
    .article-body { padding: 24px; }
    .article-sidebar { grid-template-columns: 1fr; }
}

/* Not Found */
.not-found-wrap {
    text-align: center; padding: 80px 20px;
}
.not-found-wrap .icon { font-size: 4rem; color: var(--text-lighter); margin-bottom: 20px; }
.not-found-wrap h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; }
.not-found-wrap p { color: var(--text-light); margin-bottom: 24px; }
.not-found-wrap .btn-back {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 32px; border-radius: 50px;
    background: var(--primary); color: #fff; font-weight: 600;
    transition: var(--transition);
}
.not-found-wrap .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* Footer */
.site-footer {
    background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 60px 0 0;
}
.footer-grid {
    display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 40px;
    padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo span { color: var(--primary-light); }
.footer-brand p { font-size: 0.95rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 340px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
.footer-col a {
    display: block; color: rgba(255,255,255,0.6); font-size: 0.95rem;
    padding: 5px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
    display: flex; align-items: center; justify-content: space-between;
    padding: 24px 0; flex-wrap: wrap; gap: 16px;
    font-size: 0.9rem; color: rgba(255,255,255,0.4);
}
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.5);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; transition: var(--transition);
}
.footer-socials a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* roulang page: category1 */
/* ========== Design Variables ========== */
        :root {
            --color-primary: #16a34a;
            --color-primary-dark: #15803d;
            --color-primary-light: #bbf7d0;
            --color-primary-bg: #f0fdf4;
            --color-secondary: #2563eb;
            --color-secondary-dark: #1d4ed8;
            --color-secondary-light: #dbeafe;
            --color-accent: #f59e0b;
            --color-accent-light: #fef3c7;
            --color-bg: #fafafa;
            --color-bg-card: #ffffff;
            --color-bg-alt: #f0fdf4;
            --color-text: #1e293b;
            --color-text-weak: #64748b;
            --color-text-inverse: #ffffff;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #16a34a;
            --color-warning: #f59e0b;
            --color-error: #ef4444;
            --font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.25rem;
            --font-size-2xl: 1.5rem;
            --font-size-3xl: 1.875rem;
            --font-size-4xl: 2.25rem;
            --font-size-5xl: 3rem;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --line-height-tight: 1.2;
            --line-height-normal: 1.5;
            --line-height-relaxed: 1.7;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.10);
            --shadow-card: 0 2px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.08);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-xs: 0.375rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 5rem;
            --container-max: 1200px;
            --container-padding: 1.5rem;
            --header-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-family);
            font-size: var(--font-size-base);
            line-height: var(--line-height-normal);
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-primary); }
        button { font: inherit; cursor: pointer; border: none; background: none; }
        input, textarea, select { font: inherit; color: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: var(--font-weight-bold); line-height: var(--line-height-tight); color: var(--color-text); }
        h1 { font-size: var(--font-size-4xl); }
        h2 { font-size: var(--font-size-3xl); }
        h3 { font-size: var(--font-size-2xl); }
        h4 { font-size: var(--font-size-xl); }
        p { line-height: var(--line-height-relaxed); color: var(--color-text-weak); }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }
        .section { padding: var(--spacing-2xl) 0; }
        .section-alt { background: var(--color-bg-alt); }
        .section-title {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-title h2 {
            font-size: var(--font-size-3xl);
            margin-bottom: var(--spacing-sm);
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            font-size: var(--font-size-lg);
        }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-semibold);
            line-height: 1.4;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            border: 2px solid transparent;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: var(--color-text-inverse);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(22, 163, 74, 0.30);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: var(--color-bg-card);
            color: var(--color-text);
            border-color: var(--color-border);
        }
        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid var(--color-border-light);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-inverse);
            border-color: rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.15);
            border-color: var(--color-text-inverse);
            color: var(--color-text-inverse);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(255,255,255,0.3);
            outline-offset: 2px;
        }
        .btn-lg { padding: 0.9rem 2.2rem; font-size: var(--font-size-lg); border-radius: var(--radius-lg); }
        .btn-sm { padding: 0.45rem 1.1rem; font-size: var(--font-size-sm); border-radius: var(--radius-sm); }

        /* ========== Badge / Tag ========== */
        .badge {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-semibold);
            border-radius: 999px;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            letter-spacing: 0.3px;
        }
        .badge-warning { background: var(--color-accent-light); color: #92400e; }
        .badge-info { background: var(--color-secondary-light); color: var(--color-secondary-dark); }
        .tag {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            border-radius: 999px;
            background: var(--color-bg);
            color: var(--color-text-weak);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .tag:hover, .tag.active {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            border-color: var(--color-primary);
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 4px rgba(0,0,0,0.02);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-size-xl);
            font-weight: var(--font-weight-bold);
            color: var(--color-text);
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .logo span { color: var(--color-primary); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.1rem;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-weak);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-list a i { font-size: 0.9rem; }
        .nav-list a:hover {
            color: var(--color-primary);
            background: var(--color-primary-bg);
        }
        .nav-list a.active {
            color: var(--color-primary);
            background: var(--color-primary-bg);
            font-weight: var(--font-weight-semibold);
        }
        .nav-list a.active i { color: var(--color-primary); }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-left: 0.75rem;
        }
        .nav-cta .btn { padding: 0.5rem 1.2rem; font-size: var(--font-size-sm); }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .menu-toggle.open span:nth-child(2) { opacity: 0; }
        .menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ========== Hero / Banner ========== */
        .page-hero {
            position: relative;
            padding: var(--spacing-2xl) 0;
            min-height: 320px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #14532d 0%, #166534 50%, #15803d 100%);
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            color: var(--color-text-inverse);
            font-size: var(--font-size-5xl);
            font-weight: var(--font-weight-bold);
            margin-bottom: var(--spacing-sm);
            text-shadow: 0 2px 12px rgba(0,0,0,0.15);
        }
        .page-hero p {
            color: rgba(255,255,255,0.85);
            font-size: var(--font-size-lg);
            max-width: 640px;
            margin: 0 auto var(--spacing-md);
            line-height: var(--line-height-relaxed);
        }
        .page-hero .badge {
            background: rgba(255,255,255,0.2);
            color: #fff;
            font-size: var(--font-size-sm);
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: var(--font-size-sm);
            color: rgba(255,255,255,0.7);
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb a { color: rgba(255,255,255,0.7); }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb span { color: rgba(255,255,255,0.9); }
        .breadcrumb i { font-size: 0.7rem; }

        /* ========== Filter Tabs ========== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: var(--spacing-lg);
        }
        .filter-tabs .tag {
            padding: 0.5rem 1.4rem;
            font-size: var(--font-size-sm);
        }

        /* ========== Card Grid ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--spacing-lg);
        }
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary-light);
        }
        .card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img img { transform: scale(1.05); }
        .card-img .badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
        }
        .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: var(--font-size-lg);
            margin-bottom: var(--spacing-xs);
        }
        .card-body p {
            font-size: var(--font-size-sm);
            color: var(--color-text-weak);
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: var(--font-size-xs);
            color: var(--color-text-weak);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--color-border-light);
            margin-top: auto;
        }
        .card-meta i { margin-right: 0.25rem; }
        .card-footer-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            color: var(--color-primary);
            margin-top: var(--spacing-sm);
        }
        .card-footer-link i { font-size: 0.8rem; transition: transform var(--transition); }
        .card-footer-link:hover i { transform: translateX(4px); }

        /* ========== Steps / Process ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            margin: 0 auto var(--spacing-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: var(--font-size-xl);
            font-weight: var(--font-weight-bold);
            border-radius: 50%;
            line-height: 1;
        }
        .step-item h4 { font-size: var(--font-size-lg); margin-bottom: var(--spacing-xs); }
        .step-item p { font-size: var(--font-size-sm); margin-bottom: 0; }

        /* ========== Rules / Notice List ========== */
        .rules-list {
            max-width: 800px;
            margin: 0 auto;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: var(--spacing-lg);
        }
        .rules-list li {
            display: flex;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: var(--font-size-base);
            line-height: var(--line-height-relaxed);
        }
        .rules-list li:last-child { border-bottom: none; }
        .rules-list li i {
            color: var(--color-primary);
            font-size: 1.1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .rules-list li strong { color: var(--color-text); }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary-light); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: var(--spacing-md);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text);
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            gap: 1rem;
        }
        .faq-question i {
            font-size: 1rem;
            color: var(--color-text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--color-primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 var(--spacing-md);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }
        .faq-answer p {
            font-size: var(--font-size-sm);
            color: var(--color-text-weak);
            line-height: var(--line-height-relaxed);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #14532d 0%, #166534 50%, #15803d 100%);
            padding: var(--spacing-2xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            color: var(--color-text-inverse);
            font-size: var(--font-size-4xl);
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: rgba(255,255,255,0.85);
            font-size: var(--font-size-lg);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
        }
        .cta-section .btn {
            background: #fff;
            color: var(--color-primary-dark);
            border-color: #fff;
        }
        .cta-section .btn:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-light);
            color: var(--color-primary-dark);
            box-shadow: 0 8px 30px rgba(0,0,0,0.2);
        }
        .cta-section .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.5);
        }
        .cta-section .btn-outline:hover {
            background: rgba(255,255,255,0.15);
            border-color: #fff;
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: rgba(255,255,255,0.7);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .logo { color: #fff; margin-bottom: var(--spacing-sm); }
        .footer-brand .logo span { color: #4ade80; }
        .footer-brand p { font-size: var(--font-size-sm); color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h4 {
            color: #fff;
            font-size: var(--font-size-base);
            margin-bottom: var(--spacing-sm);
            font-weight: var(--font-weight-semibold);
        }
        .footer-col a {
            display: block;
            font-size: var(--font-size-sm);
            color: rgba(255,255,255,0.55);
            padding: 0.3rem 0;
            transition: all var(--transition);
        }
        .footer-col a:hover { color: #4ade80; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: var(--font-size-sm);
            color: rgba(255,255,255,0.4);
        }
        .footer-socials { display: flex; gap: 0.75rem; }
        .footer-socials a {
            display: 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: all var(--transition);
        }
        .footer-socials a:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .page-hero h1 { font-size: var(--font-size-4xl); }
        }

        @media (max-width: 820px) {
            .nav-list { gap: 0; }
            .nav-list a { padding: 0.4rem 0.8rem; font-size: var(--font-size-xs); }
            .nav-list a i { display: none; }
            .nav-cta .btn { padding: 0.4rem 0.9rem; font-size: var(--font-size-xs); }
            .card-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
        }

        @media (max-width: 768px) {
            :root { --container-padding: 1rem; --header-height: 64px; }
            .menu-toggle { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: 0.25rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
                z-index: 99;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                padding: 0.75rem 1rem;
                font-size: var(--font-size-base);
                width: 100%;
                border-radius: var(--radius-md);
            }
            .nav-list a i { display: inline-flex; width: 1.4rem; }
            .nav-cta { margin-left: 0; margin-top: 0.5rem; width: 100%; }
            .nav-cta .btn { flex: 1; text-align: center; }
            .page-hero { min-height: 240px; padding: var(--spacing-xl) 0; }
            .page-hero h1 { font-size: var(--font-size-3xl); }
            .page-hero p { font-size: var(--font-size-base); }
            .section-title h2 { font-size: var(--font-size-2xl); }
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-lg); }
            .footer-bottom { flex-direction: column; text-align: center; }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .card-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 520px) {
            .page-hero h1 { font-size: var(--font-size-2xl); }
            .page-hero p { font-size: var(--font-size-sm); }
            .section { padding: var(--spacing-xl) 0; }
            .steps-grid { grid-template-columns: 1fr; }
            .filter-tabs .tag { padding: 0.35rem 1rem; font-size: var(--font-size-xs); }
            .rules-list { padding: var(--spacing-md); }
            .rules-list li { font-size: var(--font-size-sm); }
            .cta-section h2 { font-size: var(--font-size-2xl); }
            .cta-section p { font-size: var(--font-size-sm); }
            .cta-section .btn { width: 100%; }
            .footer-brand p { max-width: 100%; }
        }

        /* ========== Accessibility ========== */
        :focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
        }

        /* ========== Misc Utilities ========== */
        .gap-sm { gap: var(--spacing-sm); }
        .gap-md { gap: var(--spacing-md); }
        .mt-sm { margin-top: var(--spacing-sm); }
        .mt-md { margin-top: var(--spacing-md); }
        .mt-lg { margin-top: var(--spacing-lg); }
        .mb-sm { margin-bottom: var(--spacing-sm); }
        .mb-md { margin-bottom: var(--spacing-md); }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }