/* roulang page: index */
/* ===== CSS Design Variables ===== */
        :root {
            --primary: #0f1a2e;
            --primary-light: #1a2d4a;
            --primary-dark: #080e1a;
            --accent: #d4a017;
            --accent-light: #f0c040;
            --accent-dark: #b8860b;
            --bg-light: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --text-dark: #0f1a2e;
            --text-body: #2d3a4a;
            --text-muted: #7a8a9a;
            --text-light: #ffffff;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 26, 46, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 26, 46, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 26, 46, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 26, 46, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --nav-blur: blur(20px);
        }

        /* ===== 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-body);
            background: var(--bg-light);
            -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: var(--transition);
        }

        a:hover {
            color: var(--accent);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            line-height: 1.25;
            font-weight: 700;
        }

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

        .container--narrow {
            max-width: 880px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 24px;
            background: rgba(15, 26, 46, 0.72);
            backdrop-filter: var(--nav-blur);
            -webkit-backdrop-filter: var(--nav-blur);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0;
        }

        .site-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .site-logo:hover {
            color: var(--accent-light);
        }

        .site-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }

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

        .nav-menu a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-menu a.active {
            color: var(--text-light);
            background: rgba(212, 160, 23, 0.2);
            box-shadow: 0 0 0 1px rgba(212, 160, 23, 0.3);
        }

        .nav-cta {
            padding: 8px 24px !important;
            background: var(--accent) !important;
            color: var(--primary-dark) !important;
            font-weight: 700 !important;
            border-radius: 40px !important;
            box-shadow: 0 4px 14px rgba(212, 160, 23, 0.3);
        }

        .nav-cta:hover {
            background: var(--accent-light) !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(212, 160, 23, 0.4) !important;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-light);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-dark);
            overflow: hidden;
            padding: 120px 24px 80px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.4;
            transform: scale(1.05);
            transition: transform 12s ease;
        }

        .hero:hover .hero-bg {
            transform: scale(1);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(15, 26, 46, 0.60) 50%, rgba(15, 26, 46, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            background: rgba(212, 160, 23, 0.18);
            border: 1px solid rgba(212, 160, 23, 0.3);
            border-radius: 40px;
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: clamp(2.2rem, 6vw, 4.2rem);
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--accent);
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 580px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            line-height: 1.2;
        }

        .btn--primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 20px rgba(212, 160, 23, 0.35);
        }

        .btn--primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 160, 23, 0.45);
            color: var(--primary-dark);
        }

        .btn--outline {
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255, 255, 255, 0.25);
        }

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

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.02em;
        }

        .hero-stat-number .accent {
            color: var(--accent);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
        }

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

        .section--dark {
            background: var(--bg-dark);
        }

        .section--light {
            background: var(--bg-light);
        }

        .section--white {
            background: var(--bg-card);
        }

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            margin-bottom: 16px;
            color: var(--text-dark);
        }

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

        .section--dark .section-header h2 {
            color: var(--text-light);
        }

        .section--dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 16px;
            background: rgba(212, 160, 23, 0.1);
            border: 1px solid rgba(212, 160, 23, 0.2);
            border-radius: 40px;
            color: var(--accent-dark);
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }

        .section--dark .section-subtitle {
            background: rgba(212, 160, 23, 0.15);
            border-color: rgba(212, 160, 23, 0.25);
            color: var(--accent-light);
        }

        /* ===== Feature Cards ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 160, 23, 0.2);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: rgba(212, 160, 23, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: var(--text-light);
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Platform Showcase ===== */
        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .showcase-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--primary-light);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .showcase-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .showcase-image:hover img {
            transform: scale(1.03);
        }

        .showcase-content h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

        .showcase-content p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .showcase-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .showcase-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-body);
        }

        .showcase-list li i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }

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

        .category-card-image {
            height: 180px;
            background: var(--primary-light);
            overflow: hidden;
        }

        .category-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .category-card-body {
            padding: 20px 24px 24px;
        }

        .category-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .category-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 40px;
            background: rgba(212, 160, 23, 0.1);
            color: var(--accent-dark);
        }

        .section--dark .category-card {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .section--dark .category-card-body h3 {
            color: var(--text-light);
        }

        .section--dark .category-card-body p {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

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

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

        .news-card-image {
            height: 180px;
            background: var(--primary-light);
            overflow: hidden;
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .news-card:hover .news-card-image img {
            transform: scale(1.03);
        }

        .news-card-body {
            padding: 20px 24px 24px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .news-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-meta .category-badge {
            padding: 2px 12px;
            border-radius: 40px;
            background: rgba(212, 160, 23, 0.1);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.7rem;
        }

        .news-card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            color: var(--text-dark);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            text-align: center;
            padding: 40px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .stat-card {
            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);
        }

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

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-number .accent {
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 8px;
        }

        /* ===== Process / Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), rgba(212, 160, 23, 0.2));
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-number {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 3px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            box-shadow: 0 0 0 6px rgba(212, 160, 23, 0.08);
            transition: var(--transition);
        }

        .process-step:hover .step-number {
            background: var(--accent);
            color: var(--text-light);
            transform: scale(1.05);
            box-shadow: 0 0 0 10px rgba(212, 160, 23, 0.15);
        }

        .process-step h4 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .section--dark .process-step h4 {
            color: var(--text-light);
        }

        .section--dark .process-step p {
            color: rgba(255, 255, 255, 0.5);
        }

        .section--dark .step-number {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--accent);
            color: var(--accent-light);
        }

        .section--dark .process-step:hover .step-number {
            background: var(--accent);
            color: var(--primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(212, 160, 23, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            gap: 16px;
            user-select: none;
        }

        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .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;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-content .btn--primary {
            font-size: 1.05rem;
            padding: 16px 44px;
        }

        .cta-trust {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-top: 28px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }

        .cta-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-trust i {
            color: var(--accent);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .site-logo {
            margin-bottom: 16px;
            font-size: 1.2rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            font-weight: 600;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            padding: 4px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.3);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .process-grid::before {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .showcase-image {
                order: -1;
            }
        }

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

            .site-header {
                padding: 8px 16px;
            }

            .site-logo {
                font-size: 1.1rem;
            }

            .site-logo i {
                font-size: 1.2rem;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 26, 46, 0.96);
                backdrop-filter: var(--nav-blur);
                -webkit-backdrop-filter: var(--nav-blur);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                border-radius: 0 0 var(--radius) var(--radius);
                pointer-events: none;
            }

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

            .nav-menu a {
                padding: 12px 18px;
                font-size: 0.95rem;
                width: 100%;
                border-radius: 12px;
            }

            .nav-menu .nav-cta {
                margin-top: 8px;
                text-align: center;
            }

            .hero {
                min-height: 90vh;
                padding: 100px 16px 60px;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stat-number {
                font-size: 1.6rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-header {
                margin-bottom: 36px;
            }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-number {
                font-size: 2rem;
            }

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

            .process-step .step-number {
                width: 64px;
                height: 64px;
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }

            .footer-brand p {
                max-width: 100%;
            }

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

            .cta-section {
                padding: 56px 0;
            }

            .hero-title {
                font-size: clamp(1.8rem, 8vw, 3rem);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .category-card-body {
                padding: 16px 18px 20px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.85rem;
            }

            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .news-card-body {
                padding: 16px 18px 20px;
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Smooth reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Back to top ===== */
        .back-to-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            z-index: 999;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
        }

        .back-to-top.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: all;
        }

        .back-to-top:hover {
            background: var(--accent-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

/* roulang page: article */
/* ===== Design System ===== */
        :root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-dark: #070b14;
            --accent: #d4a843;
            --accent-light: #e4c06a;
            --accent-dark: #b8912e;
            --bg: #f8f9fc;
            --bg-card: #ffffff;
            --bg-soft: #f1f4f9;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
            --shadow: 0 8px 30px rgba(15,23,42,0.10);
            --shadow-lg: 0 20px 60px rgba(15,23,42,0.14);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --radius-full: 999px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
        p { margin-bottom: 1rem; color: var(--text); }
        ul, ol { list-style: none; }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-title {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            text-align: center;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-light);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .text-accent { color: var(--accent); }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            z-index: 1000;
            background: rgba(15,23,42,0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            -webkit-backdrop-filter: blur(16px) saturate(1.2);
            border-bottom: 1px solid rgba(212,168,67,0.15);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .site-logo i { color: var(--accent); font-size: 1.5rem; }
        .site-logo:hover { color: var(--accent-light); opacity: 0.92; }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(248,250,252,0.8);
            border-radius: var(--radius-full);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-menu a:hover { color: #fff; background: rgba(212,168,67,0.15); }
        .nav-menu a.active { color: #fff; background: rgba(212,168,67,0.22); }
        .nav-menu a.active::after { display: none; }
        .nav-menu a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 8px 22px;
            margin-left: 6px;
            box-shadow: 0 4px 14px rgba(212,168,67,0.35);
        }
        .nav-menu a.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,168,67,0.45); }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255,255,255,0.06);
        }
        .nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--text-white); border-radius: 4px; transition: var(--transition); }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.70) 100%);
            z-index: 0;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(248,250,252,0.7);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: var(--accent-light); }
        .article-hero .breadcrumb a:hover { color: var(--accent); text-decoration: underline; }
        .article-hero .breadcrumb .sep { color: rgba(255,255,255,0.3); }
        .article-hero .meta-category {
            display: inline-block;
            padding: 4px 16px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.82rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            max-width: 860px;
            margin-bottom: 20px;
            letter-spacing: -0.3px;
        }
        .article-hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            font-size: 0.92rem;
            color: rgba(248,250,252,0.75);
        }
        .article-hero .meta-info i { margin-right: 6px; color: var(--accent); }
        .article-hero .meta-info span { display: inline-flex; align-items: center; }
        .article-hero .meta-desc {
            font-size: 1.08rem;
            color: rgba(248,250,252,0.85);
            max-width: 720px;
            margin-top: 20px;
            line-height: 1.7;
            border-left: 4px solid var(--accent);
            padding-left: 20px;
        }

        /* ===== Article Body ===== */
        .article-body { padding: 60px 0 40px; }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content p { margin-bottom: 1.4rem; }
        .article-content h2, .article-content h3 { margin-top: 2rem; margin-bottom: 1rem; color: var(--primary); }
        .article-content h2 { font-size: 1.6rem; border-bottom: 2px solid var(--border); padding-bottom: 10px; }
        .article-content h3 { font-size: 1.3rem; }
        .article-content ul, .article-content ol { margin-bottom: 1.4rem; padding-left: 1.6rem; list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content img { border-radius: var(--radius); margin: 1.5rem 0; box-shadow: var(--shadow); }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: var(--bg-soft);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-content a { color: var(--accent-dark); text-decoration: underline; }
        .article-content a:hover { color: var(--accent); }

        /* ===== Article Footer ===== */
        .article-footer {
            padding: 32px 0 16px;
            border-top: 1px solid var(--border);
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            padding: 4px 14px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            color: var(--text-light);
            transition: all var(--transition);
        }
        .article-tags .tag:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span { font-size: 0.88rem; color: var(--text-light); }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            color: var(--text-light);
            transition: all var(--transition);
            font-size: 1rem;
        }
        .article-share a:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); transform: translateY(-2px); }

        /* ===== Related Posts ===== */
        .related-section { background: var(--bg-soft); padding: 64px 0; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
        .related-card .card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-light);
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px 22px 24px; }
        .related-card .card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .related-card .card-body h3 a { color: var(--primary); }
        .related-card .card-body h3 a:hover { color: var(--accent-dark); }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-light); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border-light); }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--primary) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
            position: relative;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.9), rgba(15,23,42,0.75));
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { font-size: 2rem; color: var(--text-white); margin-bottom: 16px; }
        .cta-section p { font-size: 1.08rem; color: rgba(248,250,252,0.85); max-width: 600px; margin: 0 auto 32px; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(212,168,67,0.35);
        }
        .btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212,168,67,0.45); color: var(--primary-dark); }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(248,250,252,0.5);
        }
        .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--text-white); color: var(--text-white); transform: translateY(-2px); }

        /* ===== FAQ ===== */
        .faq-section { padding: 64px 0; }
        .faq-grid {
            max-width: 780px;
            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);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: none;
            text-align: left;
            gap: 16px;
            transition: background var(--transition);
        }
        .faq-question:hover { background: var(--bg-soft); }
        .faq-question i { color: var(--accent); font-size: 1.1rem; transition: transform var(--transition); flex-shrink: 0; }
        .faq-item[aria-expanded="true"] .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item[aria-expanded="true"] .faq-answer { max-height: 300px; padding: 0 24px 20px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(248,250,252,0.8);
            padding: 60px 0 0;
            border-top: 1px solid rgba(212,168,67,0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { font-size: 1.3rem; margin-bottom: 16px; display: inline-flex; color: var(--text-white); }
        .footer-brand p { font-size: 0.92rem; color: rgba(248,250,252,0.65); line-height: 1.7; max-width: 360px; }
        .footer-col h4 { font-size: 1rem; font-weight: 700; color: var(--text-white); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
        .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 3px; background: var(--accent); border-radius: 4px; }
        .footer-col a { display: block; padding: 5px 0; font-size: 0.9rem; color: rgba(248,250,252,0.6); transition: all var(--transition); }
        .footer-col a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 24px 0;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.85rem;
            color: rgba(248,250,252,0.5);
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(248,250,252,0.6);
            font-size: 1.05rem;
            transition: all var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Not Found ===== */
        .not-found-wrap { text-align: center; padding: 80px 24px; }
        .not-found-wrap i { font-size: 3.5rem; color: var(--accent); margin-bottom: 24px; display: block; }
        .not-found-wrap h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-wrap p { color: var(--text-light); font-size: 1.05rem; margin-bottom: 24px; }
        .not-found-wrap .btn { display: inline-flex; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .article-hero h1 { font-size: 2.2rem; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 64px; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.6rem; }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(15,23,42,0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
                border-bottom: 1px solid rgba(212,168,67,0.15);
                pointer-events: none;
            }
            .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-menu a { width: 100%; padding: 12px 16px; font-size: 1rem; border-radius: var(--radius-sm); }
            .nav-menu a.nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
            .nav-toggle { display: flex; }
            .article-hero { padding: 48px 0 36px; }
            .article-hero h1 { font-size: 1.7rem; }
            .article-hero .meta-info { gap: 12px 20px; font-size: 0.85rem; }
            .article-hero .meta-desc { font-size: 0.95rem; padding-left: 16px; }
            .article-content { font-size: 1rem; }
            .related-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.5rem; }
            .btn { padding: 12px 26px; font-size: 0.92rem; }
            .article-footer { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-hero .meta-info { flex-direction: column; gap: 6px; }
            .article-hero .meta-desc { font-size: 0.88rem; }
            .section-title { font-size: 1.35rem; }
            .section-sub { font-size: 0.92rem; }
            .related-card .card-body { padding: 16px 18px; }
            .faq-question { padding: 14px 16px; font-size: 0.92rem; }
            .faq-answer { font-size: 0.88rem; }
            .not-found-wrap i { font-size: 2.8rem; }
            .not-found-wrap h2 { font-size: 1.4rem; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a44;
            --accent: #c9a84c;
            --accent-light: #e0c36a;
            --accent-dark: #a88830;
            --bg-light: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0d1117;
            --text-dark: #1a1a2e;
            --text-body: #2d2d44;
            --text-muted: #6b6b80;
            --text-light: #f0eee9;
            --text-white: #ffffff;
            --border-light: #e6e4df;
            --border-accent: #c9a84c;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --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 60px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 30px rgba(201, 168, 76, 0.15);
            --transition: 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;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Navigation — 悬浮胶囊 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 48px);
            max-width: var(--container-max);
            z-index: 1000;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            height: var(--header-height);
            display: flex;
            align-items: center;
            padding: 0 8px;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .site-logo:hover {
            color: var(--primary);
            opacity: 0.9;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-menu a:hover {
            background: rgba(26, 42, 108, 0.06);
            color: var(--primary);
        }
        .nav-menu a.active {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 15px rgba(26, 42, 108, 0.25);
        }
        .nav-menu a.active:hover {
            background: var(--primary-light);
        }
        .nav-menu a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            box-shadow: 0 4px 15px rgba(201, 168, 76, 0.3);
        }
        .nav-menu a.nav-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 25px rgba(201, 168, 76, 0.4);
        }
        .nav-menu a.nav-cta i {
            margin-right: 6px;
        }

        /* Nav Toggle (Mobile) */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            cursor: pointer;
            padding: 10px 8px;
            gap: 4px;
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-dark);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--border-light);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(6.5px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-6.5px) rotate(-45deg);
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
                height: 64px;
                padding: 0 4px;
            }
            .site-header .container {
                padding: 0 12px;
            }
            .site-logo {
                font-size: 1.1rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
            .nav-menu {
                position: fixed;
                top: 76px;
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 16px 12px;
                flex-direction: column;
                gap: 8px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px) scale(0.96);
                transition: var(--transition);
                border: 1px solid rgba(255, 255, 255, 0.6);
            }
            .nav-menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0) scale(1);
            }
            .nav-menu a {
                width: 100%;
                padding: 12px 20px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
                text-align: center;
            }
            .nav-menu a.nav-cta {
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            margin-top: 0;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 20%;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            isolation: isolate;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 31, 0.85) 0%, rgba(26, 42, 108, 0.7) 60%, rgba(201, 168, 76, 0.25) 100%);
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
            z-index: 2;
        }
        .page-hero .container {
            position: relative;
            z-index: 3;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.2);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(201, 168, 76, 0.3);
            padding: 6px 20px;
            border-radius: 50px;
            color: var(--accent-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .page-hero .hero-badge i {
            font-size: 0.8rem;
        }
        .page-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .page-hero .hero-stats .stat-item {
            text-align: center;
            color: var(--text-white);
        }
        .page-hero .hero-stats .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
                min-height: 360px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .page-hero .hero-stats {
                gap: 24px;
            }
            .page-hero .hero-stats .stat-num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-stats {
                gap: 16px;
            }
            .page-hero .hero-stats .stat-item {
                flex: 1 1 40%;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 48px;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .section-title i {
            color: var(--accent);
            margin-right: 10px;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-light {
            background: var(--bg-white);
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                margin-bottom: 32px;
                font-size: 0.95rem;
            }
        }

        /* ===== Category Intro ===== */
        .category-intro {
            padding: 60px 0 20px;
            background: var(--bg-white);
        }
        .category-intro .intro-wrap {
            display: flex;
            gap: 48px;
            align-items: center;
            flex-wrap: wrap;
        }
        .category-intro .intro-text {
            flex: 1 1 55%;
        }
        .category-intro .intro-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
        .category-intro .intro-text p {
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .category-intro .intro-text .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .category-intro .intro-text .tag-group .tag {
            background: var(--bg-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            border: 1px solid var(--border-light);
        }
        .category-intro .intro-img {
            flex: 1 1 35%;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-width: 240px;
        }
        .category-intro .intro-img img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        @media (max-width: 768px) {
            .category-intro .intro-wrap {
                flex-direction: column-reverse;
                gap: 24px;
            }
            .category-intro .intro-text {
                flex: 1 1 100%;
            }
            .category-intro .intro-img {
                flex: 1 1 100%;
                min-width: unset;
            }
            .category-intro .intro-img img {
                height: 220px;
            }
            .category-intro .intro-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 76, 0.3);
        }
        .card-item .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .card-item .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-item .card-body .card-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(201, 168, 76, 0.12);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
            width: fit-content;
            border: 1px solid rgba(201, 168, 76, 0.2);
        }
        .card-item .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-item .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-item .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .card-item .card-body .card-meta i {
            margin-right: 4px;
            color: var(--accent);
        }
        .card-item .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            margin-top: 8px;
        }
        .card-item .card-body .card-link i {
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .card-item .card-body .card-link:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 992px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-item .card-img {
                height: 180px;
            }
        }

        /* ===== Stats / Data Row ===== */
        .stats-row {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            padding: 20px 0;
        }
        .stats-row .stat-block {
            text-align: center;
            min-width: 140px;
        }
        .stats-row .stat-block .stat-icon {
            font-size: 2.4rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .stats-row .stat-block .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .stats-row .stat-block .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-row {
                gap: 28px;
            }
            .stats-row .stat-block .stat-num {
                font-size: 1.8rem;
            }
            .stats-row .stat-block .stat-icon {
                font-size: 1.8rem;
            }
        }

        /* ===== Flow / Process ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .flow-step {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .flow-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .flow-step .step-num {
            width: 48px;
            height: 48px;
            line-height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 auto 16px;
            box-shadow: 0 4px 15px rgba(26, 42, 108, 0.2);
        }
        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .flow-step .step-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .flow-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 168, 76, 0.3);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            background: rgba(26, 42, 108, 0.02);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .faq-item summary {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 31, 0.85) 0%, rgba(26, 42, 108, 0.75) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 64px 24px;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
            transition: var(--transition);
            border: none;
        }
        .cta-section .cta-btn:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.45);
            color: var(--primary-dark);
        }
        .cta-section .cta-btn i {
            font-size: 1.1rem;
        }
        @media (max-width: 768px) {
            .cta-section .container {
                padding: 48px 16px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .cta-btn {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .site-logo {
            color: var(--text-white);
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .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: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 14px;
        }
        .site-footer .footer-social a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            color: var(--accent);
            transform: scale(1.15);
        }

        @media (max-width: 992px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 0 4px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span.sep {
            color: var(--border-light);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Tag List ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 8px;
        }
        .tag-list .tag {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-body);
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-list .tag:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(201, 168, 76, 0.06);
        }
        .tag-list .tag i {
            margin-right: 6px;
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* ===== Mild Animations ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeUp 0.6s ease forwards;
        }
        .fade-up:nth-child(2) {
            animation-delay: 0.1s;
        }
        .fade-up:nth-child(3) {
            animation-delay: 0.2s;
        }
        .fade-up:nth-child(4) {
            animation-delay: 0.3s;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Scroll Padding ===== */
        #faq {
            scroll-margin-top: 100px;
        }
        #events {
            scroll-margin-top: 100px;
        }
        #register {
            scroll-margin-top: 100px;
        }