/* roulang page: index */
:root {
            --primary: #1a1a2e;
            --primary-light: #252540;
            --accent: #e8a850;
            --accent-hover: #d4953a;
            --accent-light: #fdf0df;
            --surface: #ffffff;
            --surface-alt: #f8f9fb;
            --surface-dark: #121220;
            --text: #1c1c28;
            --text-secondary: #5a5a6e;
            --text-muted: #8888a0;
            --text-on-dark: #e8e8f0;
            --border: #e5e5ee;
            --border-light: #f0f0f6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10), 0 16px 48px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12), 0 24px 60px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 56px;
        }

        *,
        *::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);
            background-color: var(--surface);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.85;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #d4a030);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--surface-alt);
        }

        .main-nav a.active {
            color: var(--accent);
            font-weight: 600;
            background: var(--accent-light);
        }

        .main-nav a.cta-nav {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 24px;
            margin-left: 8px;
            box-shadow: 0 2px 8px rgba(232, 168, 80, 0.35);
            transition: all var(--transition);
        }

        .main-nav a.cta-nav:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(232, 168, 80, 0.5);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--primary);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(26, 26, 46, 0.88) 0%,
                    rgba(26, 26, 46, 0.72) 40%,
                    rgba(26, 26, 46, 0.55) 70%,
                    rgba(26, 26, 46, 0.7) 100%);
            z-index: 1;
        }

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

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 168, 80, 0.15);
            border: 1px solid rgba(232, 168, 80, 0.35);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 6px 16px;
            border-radius: 24px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(232, 168, 80, 0.6);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 10px rgba(232, 168, 80, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-title span {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 10px;
            max-width: 600px;
        }

        .hero-desc-full {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 620px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 168, 80, 0.4);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(232, 168, 80, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: 22px;
        }

        .btn-accent-outline {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .btn-accent-outline:hover {
            background: var(--accent);
            color: #fff;
        }

        .btn-text {
            background: transparent;
            color: var(--accent);
            padding: 8px 4px;
            font-weight: 600;
            gap: 4px;
            border-radius: 0;
            border-bottom: 2px solid transparent;
        }

        .btn-text:hover {
            border-bottom-color: var(--accent);
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--surface-alt);
        }

        .section-dark {
            background: var(--surface-dark);
            color: var(--text-on-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            color: var(--text-secondary);
            margin-top: 10px;
            font-size: 1.05rem;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-card .stat-unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--accent);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .info-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .info-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .info-card .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .info-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }

        .info-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .info-card .card-link {
            margin-top: 14px;
            font-weight: 600;
            color: var(--accent);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .info-card .card-link:hover {
            gap: 8px;
        }

        /* Feature Card */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }

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

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            transition: all var(--transition);
        }

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

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Story Section */
        .story-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }

        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .story-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .story-text .story-lead {
            font-size: 1.1rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .story-text p {
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px;
            padding: 10px 0;
        }

        .partner-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 16px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition);
            text-align: center;
            min-width: 100px;
        }

        .partner-item:hover {
            color: var(--accent);
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .testimonial-card .stars {
            color: var(--accent);
            font-size: 1rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
            transform: translateX(2px);
        }

        .news-item .news-date {
            flex-shrink: 0;
            background: var(--accent-light);
            color: var(--accent);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            text-align: center;
            min-width: 72px;
        }

        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .news-item .news-content .news-link {
            display: inline-block;
            margin-top: 6px;
            font-weight: 600;
            color: var(--accent);
            font-size: 0.85rem;
        }

        .news-item .news-content .news-link:hover {
            text-decoration: underline;
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 12px;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all var(--transition);
            color: var(--text-secondary);
            font-weight: 700;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1f1f38 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            font-size: 1.05rem;
            padding: 14px 36px;
        }

        /* Footer */
        .site-footer {
            background: var(--surface-dark);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Mobile Nav */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .story-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            :root {
                --section-gap: 56px;
            }
        }

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

            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 80px 24px 30px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition);
                z-index: 1000;
                overflow-y: auto;
            }

            .main-nav.open {
                right: 0;
            }

            .main-nav a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: 8px;
            }

            .main-nav a.cta-nav {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }

            .cards-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 480px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            :root {
                --section-gap: 44px;
                --nav-height: 60px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .partners-row {
                gap: 16px;
            }
            .partner-item {
                padding: 12px 18px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .cards-grid-4,
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .story-text h2 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero-section {
                min-height: 400px;
            }
        }

        /* Mobile overlay */
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }
        .mobile-overlay.active {
            display: block;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #d4a745;
            --color-accent-hover: #c79630;
            --color-accent-light: #f5ecd7;
            --color-bg: #fafaf8;
            --color-bg-alt: #f2f0ea;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #9a9a9a;
            --color-white: #ffffff;
            --color-border: #e5e2d8;
            --color-border-light: #f0ede5;
            --color-success: #3a8c5c;
            --color-gold: #d4a745;
            --color-platinum: #7b8c9e;
            --color-diamond: #5b8def;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        button {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, #2a2a4a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 1px;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .main-nav a.active {
            color: var(--color-accent);
            background: var(--color-accent-light);
            font-weight: 600;
        }

        .main-nav a.cta-nav {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 20px;
            margin-left: 6px;
            box-shadow: 0 2px 8px rgba(212, 167, 69, 0.3);
        }

        .main-nav a.cta-nav:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 167, 69, 0.4);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-primary);
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #252545 40%, #1a1a2e 100%);
            padding: 70px 0 60px;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .banner-badge {
            display: inline-block;
            background: rgba(212, 167, 69, 0.2);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(212, 167, 69, 0.35);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-banner h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            max-width: 600px;
            line-height: 1.6;
        }

        .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .banner-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
        }

        .banner-stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .banner-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.3;
        }

        /* Section */
        .section {
            padding: 60px 0;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            letter-spacing: 0.5px;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 15px;
            color: var(--color-text-weak);
            margin: 0;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        /* Tier Cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tier-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px 24px;
            text-align: center;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            background: linear-gradient(180deg, #fffef9 0%, #fff 40%);
        }

        .tier-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 1px;
        }

        .tier-icon-wrap {
            width: 72px;
            height: 72px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
        }

        .tier-silver .tier-icon-wrap {
            background: #f0f2f5;
            color: #7b8c9e;
        }

        .tier-gold .tier-icon-wrap {
            background: #fdf6e8;
            color: #d4a745;
        }

        .tier-platinum .tier-icon-wrap {
            background: #eef2f6;
            color: #5b6f82;
        }

        .tier-diamond .tier-icon-wrap {
            background: #eaf2fd;
            color: #5b8def;
        }

        .tier-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .tier-card .tier-condition {
            font-size: 13px;
            color: var(--color-text-weak);
            margin: 0 0 14px;
        }

        .tier-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
            text-align: left;
        }

        .tier-benefits li {
            font-size: 13.5px;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-benefits li::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 700;
            flex-shrink: 0;
        }

        .tier-benefits li:last-child {
            border-bottom: none;
        }

        .btn-tier {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            border: 2px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-primary);
            cursor: pointer;
        }

        .btn-tier:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-tier.btn-featured {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .btn-tier.btn-featured:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(212, 167, 69, 0.35);
        }

        /* Benefits Grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .benefit-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .benefit-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        .benefit-info h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .benefit-info p {
            font-size: 14px;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Points Section */
        .points-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .points-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            position: relative;
        }

        .points-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .points-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 14px;
        }

        .points-content p {
            font-size: 15px;
            color: var(--color-text-weak);
            margin: 0 0 20px;
            line-height: 1.7;
        }

        .points-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .points-list li {
            padding: 10px 0;
            font-size: 15px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .points-list li:last-child {
            border-bottom: none;
        }

        .points-list li .points-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-light);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            font-weight: 700;
        }

        /* Activity Cards */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .activity-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .activity-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .activity-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

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

        .activity-card:hover .activity-card-img img {
            transform: scale(1.04);
        }

        .activity-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .activity-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            align-self: flex-start;
        }

        .activity-card-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .activity-card-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            margin: 0 0 14px;
            line-height: 1.5;
            flex: 1;
        }

        .activity-card-body .btn-sm {
            align-self: flex-start;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }

        .activity-card-body .btn-sm:hover {
            background: var(--color-accent);
            box-shadow: 0 4px 14px rgba(212, 167, 69, 0.3);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .testimonial-card .quote-mark {
            font-size: 48px;
            color: var(--color-accent);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 4px;
        }

        .testimonial-card p {
            font-size: 14.5px;
            color: var(--color-text);
            margin: 0 0 16px;
            line-height: 1.6;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-author-info {
            font-size: 13px;
        }

        .testimonial-author-info strong {
            display: block;
            color: var(--color-primary);
            font-weight: 600;
        }

        .testimonial-author-info span {
            color: var(--color-text-light);
            font-size: 12px;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
        }

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

        .faq-arrow {
            flex-shrink: 0;
            font-size: 18px;
            transition: transform var(--transition);
            color: var(--color-text-light);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 14.5px;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #252545 50%, #1a1a2e 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.5px;
            box-shadow: 0 8px 28px rgba(212, 167, 69, 0.35);
        }

        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(212, 167, 69, 0.45);
        }

        /* Footer */
        .site-footer {
            background: #141420;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            margin: 0;
            line-height: 1.6;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            text-align: center;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .points-showcase {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .activity-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 12px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                gap: 2px;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 15px;
            }
            .main-nav a.cta-nav {
                margin-left: 0;
                text-align: center;
                justify-content: center;
            }
            .mobile-menu-btn {
                display: block;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner {
                padding: 48px 0 40px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat-num {
                font-size: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .tier-card.featured {
                order: -1;
            }
        }

        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .tier-card.featured {
                order: -1;
            }
            .banner-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .page-banner h1 {
                font-size: 22px;
            }
            .page-banner .banner-subtitle {
                font-size: 14px;
            }
            .points-content h3 {
                font-size: 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .btn-cta-large {
                padding: 12px 26px;
                font-size: 14px;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 17px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a1a2e;
            --primary-light: #25254a;
            --accent: #e8a850;
            --accent-light: #f0c27a;
            --accent-dark: #c48a3a;
            --accent-glow: rgba(232, 168, 80, 0.25);
            --bg: #faf9f6;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-dark-soft: #222240;
            --text: #1c1c1c;
            --text-soft: #5a5a5a;
            --text-light: #888888;
            --text-inverse: #f5f5f5;
            --border: #e5e3dc;
            --border-light: #f0ede6;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::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-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        input {
            font-family: inherit;
            outline: none;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #1a1a2e;
            letter-spacing: -0.5px;
            box-shadow: 0 4px 14px var(--accent-glow);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 22px;
            font-size: 14.5px;
            font-weight: 500;
            color: #d0d0d6;
            white-space: nowrap;
            letter-spacing: 0.3px;
            transition: var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: #ffffff;
            background: rgba(232, 168, 80, 0.18);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(232, 168, 80, 0.3);
        }

        .main-nav a.cta-nav {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #1a1a2e;
            font-weight: 700;
            padding: 9px 18px;
            border-radius: 22px;
            box-shadow: 0 4px 16px var(--accent-glow);
            letter-spacing: 0.4px;
        }

        .main-nav a.cta-nav:hover {
            background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
            box-shadow: 0 6px 22px rgba(232, 168, 80, 0.4);
            transform: translateY(-1px);
            color: #1a1a2e;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 26px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--bg-dark) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 24px 60px;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.75) 0%, rgba(26, 26, 46, 0.88) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .banner-badge {
            display: inline-block;
            background: rgba(232, 168, 80, 0.2);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 18px;
            border: 1px solid rgba(232, 168, 80, 0.3);
        }

        .page-banner h1 {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: 17px;
            color: #d0d0d6;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto 8px;
        }

        .banner-stats-row {
            display: flex;
            gap: 28px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 28px;
        }

        .banner-stat {
            text-align: center;
            min-width: 80px;
        }

        .banner-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .banner-stat .stat-label {
            font-size: 12px;
            color: #b0b0b8;
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* ========== MAIN CONTENT ========== */
        .site-main {
            flex: 1;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 12px;
            background: rgba(232, 168, 80, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-desc {
            margin: 0 auto;
        }

        /* ========== TIER CARDS ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tier-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 22px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 2px solid transparent;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .tier-card.tier-bronze {
            border-color: #c9a87c;
        }
        .tier-card.tier-bronze .tier-icon {
            background: linear-gradient(135deg, #c9a87c, #a0845c);
        }

        .tier-card.tier-silver {
            border-color: #b0b8c0;
        }
        .tier-card.tier-silver .tier-icon {
            background: linear-gradient(135deg, #b0b8c0, #7d8a94);
        }

        .tier-card.tier-gold {
            border-color: #e8a850;
            box-shadow: 0 8px 32px rgba(232, 168, 80, 0.15);
        }
        .tier-card.tier-gold .tier-icon {
            background: linear-gradient(135deg, #e8a850, #c48a3a);
            box-shadow: 0 4px 18px rgba(232, 168, 80, 0.35);
        }

        .tier-card.tier-diamond {
            border-color: #7ec8e3;
            box-shadow: 0 8px 32px rgba(126, 200, 227, 0.18);
        }
        .tier-card.tier-diamond .tier-icon {
            background: linear-gradient(135deg, #7ec8e3, #4a9fbf);
            box-shadow: 0 4px 18px rgba(126, 200, 227, 0.35);
        }

        .tier-card.tier-diamond::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            background: rgba(126, 200, 227, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .tier-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            font-weight: 700;
        }

        .tier-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .tier-card .tier-points {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .tier-card .tier-features {
            list-style: none;
            text-align: left;
            font-size: 13.5px;
            color: var(--text-soft);
            line-height: 1.8;
        }

        .tier-card .tier-features li {
            padding: 4px 0;
            padding-left: 20px;
            position: relative;
        }

        .tier-card .tier-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 12px;
        }

        .tier-card.tier-gold .tier-features li::before {
            color: #c48a3a;
        }
        .tier-card.tier-diamond .tier-features li::before {
            color: #4a9fbf;
        }

        /* ========== BENEFIT CARDS ========== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .benefit-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .benefit-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
        }

        .benefit-card .benefit-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .benefit-card .benefit-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .benefit-card .benefit-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent-dark);
            background: rgba(232, 168, 80, 0.1);
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .benefit-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.65;
            flex: 1;
        }

        /* ========== POINTS SECTION ========== */
        .points-section {
            background: var(--bg-dark);
            color: var(--text-inverse);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-lg);
        }

        .points-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .points-section p {
            font-size: 15px;
            color: #c8c8d0;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .points-list {
            list-style: none;
            display: grid;
            gap: 10px;
        }

        .points-list li {
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: #d8d8e0;
            border-left: 3px solid var(--accent);
            transition: var(--transition);
        }

        .points-list li:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        .points-visual {
            text-align: center;
        }

        .points-visual .big-num {
            font-size: 72px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -2px;
        }

        .points-visual .big-label {
            font-size: 14px;
            color: #b0b0b8;
            margin-top: 6px;
            letter-spacing: 1px;
        }

        .points-exchange-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 20px;
        }

        .exchange-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius);
            padding: 16px 10px;
            transition: var(--transition);
        }

        .exchange-item:hover {
            background: rgba(255, 255, 255, 0.07);
        }

        .exchange-item .ex-icon {
            font-size: 28px;
            margin-bottom: 6px;
        }

        .exchange-item .ex-val {
            font-weight: 700;
            font-size: 15px;
            color: var(--accent-light);
        }

        .exchange-item .ex-label {
            font-size: 11px;
            color: #999;
            margin-top: 2px;
        }

        /* ========== EVENT LIST ========== */
        .event-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .event-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            align-items: center;
        }

        .event-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .event-item .event-thumb {
            width: 100px;
            height: 100px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
        }

        .event-item .event-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .event-item .event-info .event-date {
            font-size: 12px;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .event-item .event-info p {
            font-size: 13.5px;
            color: var(--text-soft);
            line-height: 1.5;
        }

        .event-item .event-tag-vip {
            display: inline-block;
            font-size: 10px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            padding: 3px 8px;
            border-radius: 10px;
            letter-spacing: 0.5px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 3px solid var(--accent);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .stars {
            color: var(--accent);
            font-size: 15px;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .testimonial-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
        }

        .testimonial-card .author-role {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-q {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .faq-q:hover {
            color: var(--accent-dark);
        }

        .faq-q .faq-arrow {
            font-size: 14px;
            transition: var(--transition);
            color: var(--text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            font-size: 14.5px;
            color: var(--text-soft);
            line-height: 1.7;
        }

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

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #ffffff;
            text-align: center;
            padding: 60px 24px;
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(232, 168, 80, 0.06);
            border-radius: 50%;
            top: -80px;
            right: -60px;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: #c8c8d0;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--accent);
            color: #1a1a2e;
            box-shadow: 0 6px 22px var(--accent-glow);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(232, 168, 80, 0.45);
            transform: translateY(-2px);
            color: #1a1a2e;
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #ffffff;
            color: #ffffff;
        }

        .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141428;
            color: #c0c0c8;
            padding: 48px 0 20px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 13.5px;
            color: #a0a0aa;
            line-height: 1.65;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #e0e0e4;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: #a0a0aa;
            padding: 5px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            text-align: center;
            font-size: 13px;
            color: #888;
        }

        .footer-bottom a {
            color: #b0b0b8;
            transition: var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .points-section {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
            .points-exchange-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav a {
                font-size: 13px;
                padding: 7px 11px;
            }
            .banner-stats-row {
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: rgba(26, 26, 46, 0.98);
                flex-direction: column;
                padding: 16px 20px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .tier-card {
                padding: 22px 14px 20px;
            }
            .tier-card h3 {
                font-size: 16px;
            }
            .tier-card .tier-features {
                font-size: 12px;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .page-banner {
                min-height: 320px;
                padding: 60px 20px 40px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .points-section {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .points-visual .big-num {
                font-size: 48px;
            }
            .points-exchange-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-section {
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .event-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .event-item .event-thumb {
                width: 100%;
                height: 160px;
                object-fit: cover;
                border-radius: var(--radius);
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .banner-stats-row {
                gap: 12px;
            }
            .banner-stat .stat-num {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .points-exchange-grid {
                grid-template-columns: 1fr 1fr;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .page-banner {
                min-height: 280px;
                padding: 50px 16px 32px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner .banner-subtitle {
                font-size: 14px;
            }
            .banner-stats-row {
                gap: 8px;
            }
            .banner-stat .stat-num {
                font-size: 20px;
            }
            .logo-text {
                font-size: 18px;
            }
            .section-title {
                font-size: 22px;
            }
            .points-section h2 {
                font-size: 22px;
            }
            .faq-q {
                font-size: 14px;
                padding: 16px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e1b4b;
            --primary-dark: #0f0d2e;
            --accent: #f43f5e;
            --accent-hover: #e11d48;
            --gold: #f59e0b;
            --gold-light: #fbbf24;
            --blue-accent: #3b82f6;
            --blue-light: #60a5fa;
            --surface: #ffffff;
            --surface-alt: #f8f9fb;
            --surface-dark: #1a1a2e;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 25px 60px rgba(0, 0, 0, 0.15), 0 10px 25px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4rem;
            --spacing-3xl: 5rem;
        }

        *,
        *::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);
            background-color: var(--surface-alt);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--spacing-lg);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.85;
        }

        .header-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            margin-left: 2px;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.6);
                opacity: 0.5;
            }
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-wrap: nowrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(30, 27, 75, 0.05);
        }

        .main-nav a.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(244, 63, 94, 0.07);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .main-nav .cta-nav {
            background: linear-gradient(135deg, var(--accent), #e94560);
            color: #fff !important;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            box-shadow: 0 4px 14px rgba(244, 63, 94, 0.35);
            transition: all var(--transition);
        }

        .main-nav .cta-nav:hover {
            background: linear-gradient(135deg, var(--accent-hover), #d03050);
            box-shadow: 0 6px 20px rgba(244, 63, 94, 0.5);
            transform: translateY(-1px);
        }

        .main-nav .cta-nav.active {
            color: #fff !important;
            background: linear-gradient(135deg, var(--accent-hover), #c02040);
        }

        .main-nav .cta-nav.active::after {
            display: none;
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            border-radius: 3px;
            background: var(--primary);
            transition: all var(--transition);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-lg);
                gap: var(--spacing-sm);
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                overflow-y: auto;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius);
                justify-content: center;
                text-align: center;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                border: 2px solid var(--accent);
            }
            .main-nav .cta-nav {
                margin-top: var(--spacing-sm);
                padding: 0.85rem 1rem;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1.25rem;
            }
            .header-inner {
                height: 60px;
            }
            :root {
                --nav-height: 60px;
            }
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-3xl) 0;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 13, 46, 0.82) 0%,
                    rgba(30, 27, 75, 0.88) 40%,
                    rgba(15, 13, 46, 0.92) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(244, 63, 94, 0.85);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            backdrop-filter: blur(6px);
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: var(--spacing);
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
        }

        .page-banner .banner-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .page-banner .banner-search input {
            flex: 1;
            padding: 0.9rem 1.4rem;
            border: none;
            font-size: 0.95rem;
            background: #fff;
            color: var(--text);
            min-width: 0;
        }

        .page-banner .banner-search button {
            padding: 0.9rem 1.6rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: background var(--transition-fast);
        }

        .page-banner .banner-search button:hover {
            background: var(--accent-hover);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: var(--spacing-2xl) 0;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .page-banner .banner-search {
                flex-direction: column;
                border-radius: var(--radius);
                gap: var(--spacing-sm);
                box-shadow: none;
            }
            .page-banner .banner-search input,
            .page-banner .banner-search button {
                border-radius: var(--radius);
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(244, 63, 94, 0.08);
            padding: 0.3rem 0.85rem;
            border-radius: 50px;
            margin-bottom: var(--spacing-sm);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 550px;
            margin: var(--spacing-sm) auto 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
        }

        /* ============ TAG FILTER BAR ============ */
        .tag-filter-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-xl);
        }

        .tag-filter-bar .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.1rem;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface);
            border: 1.5px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }

        .tag-filter-bar .filter-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(244, 63, 94, 0.04);
        }
        .tag-filter-bar .filter-tag.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
            font-weight: 600;
        }

        @media (max-width: 520px) {
            .tag-filter-bar {
                gap: 0.4rem;
            }
            .tag-filter-bar .filter-tag {
                padding: 0.4rem 0.75rem;
                font-size: 0.78rem;
            }
        }

        /* ============ GUIDE CARDS GRID ============ */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 600px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing);
            }
        }

        .guide-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .guide-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e8ecf1;
        }

        .guide-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .guide-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .guide-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .guide-card .card-img-wrap .card-difficulty {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.6);
            color: #fff;
            padding: 0.2rem 0.6rem;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        .guide-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: var(--spacing-xs);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .guide-card .card-body .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .guide-card .card-body .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            margin-top: var(--spacing);
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--accent);
            transition: gap var(--transition-fast);
        }

        .guide-card .card-body .card-link:hover {
            gap: 0.6rem;
        }

        /* ============ FEATURED COLLECTION ============ */
        .featured-collection {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }

        @media (max-width: 768px) {
            .featured-collection {
                grid-template-columns: 1fr;
            }
        }

        .featured-item {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #e8ecf1;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: all var(--transition);
        }

        .featured-item:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }

        .featured-item img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .featured-item:hover img {
            transform: scale(1.05);
        }

        .featured-item .featured-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    transparent 30%,
                    rgba(15, 13, 46, 0.7) 70%,
                    rgba(15, 13, 46, 0.9) 100%);
            z-index: 1;
        }

        .featured-item .featured-info {
            position: relative;
            z-index: 2;
            padding: var(--spacing-lg);
            color: #fff;
            width: 100%;
        }

        .featured-item .featured-info .feat-badge {
            display: inline-block;
            background: var(--gold);
            color: #1a1a2e;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
        }

        .featured-item .featured-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
        }

        .featured-item .featured-info p {
            font-size: 0.85rem;
            opacity: 0.9;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing);
            }
        }

        @media (max-width: 400px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
        }

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--accent);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 0.3rem;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ FAQ SECTION ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            gap: var(--spacing);
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(244, 63, 94, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent);
            transition: all var(--transition);
            font-weight: 700;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
            margin: 0 var(--spacing-md);
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1e1b4b 100%);
            color: #fff;
            text-align: center;
            padding: var(--spacing-3xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(244, 63, 94, 0.15);
            z-index: 1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.12);
            z-index: 1;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9rem 2.2rem;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            box-shadow: 0 8px 30px rgba(244, 63, 94, 0.45);
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-cta-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 12px 40px rgba(244, 63, 94, 0.6);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: var(--spacing-2xl) 0;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--surface-dark);
            color: #cbd5e1;
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: #94a3b8;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ============ UTILITY ============ */
        .bg-white-section {
            background: var(--surface);
        }

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

        .text-accent {
            color: var(--accent);
        }

        @media (max-width: 520px) {
            .section-header h2 {
                font-size: 1.35rem;
            }
            .guide-card .card-body h3 {
                font-size: 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .featured-item .featured-info h3 {
                font-size: 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF5C3D;
            --primary-dark: #E0492B;
            --primary-light: #FF7D63;
            --primary-glow: rgba(255, 92, 61, 0.18);
            --accent: #FFB800;
            --accent-dark: #E6A500;
            --secondary: #1E1E2F;
            --secondary-light: #2A2A3D;
            --bg: #F5F5F7;
            --bg-alt: #FAFAFC;
            --white: #FFFFFF;
            --text: #1A1A1F;
            --text-secondary: #4A4A55;
            --text-light: #787880;
            --text-muted: #9A9AA5;
            --border: #E8E8ED;
            --border-light: #F0F0F4;
            --success: #00C853;
            --success-bg: #E8F8EF;
            --warning: #FF9500;
            --warning-bg: #FFF6EB;
            --danger: #FF3B30;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            background: rgba(255, 255, 255, 0.95);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius);
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-glow);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-glow);
        }
        .main-nav a.cta-nav {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 24px;
            box-shadow: 0 4px 14px rgba(255, 92, 61, 0.35);
            animation: ctaPulse 2.5s ease-in-out infinite;
        }
        .main-nav a.cta-nav:hover {
            background: linear-gradient(135deg, var(--primary-dark), #C03A1F);
            box-shadow: 0 6px 20px rgba(255, 92, 61, 0.45);
            transform: translateY(-1px);
        }
        @keyframes ctaPulse {
            0%,
            100% {
                box-shadow: 0 4px 14px rgba(255, 92, 61, 0.35);
            }
            50% {
                box-shadow: 0 6px 24px rgba(255, 92, 61, 0.55);
            }
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: 1px solid var(--border);
            flex-shrink: 0;
            z-index: 1001;
        }
        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 70px 0 80px;
            background: var(--secondary);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
            z-index: 0;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 30, 47, 0.75) 0%, rgba(30, 30, 47, 0.9) 100%);
            z-index: 1;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: dotBlink 1.5s ease-in-out infinite;
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.2px;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 92, 61, 0.4);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(255, 92, 61, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #1A1A1F;
            box-shadow: 0 4px 16px rgba(255, 184, 0, 0.35);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(255, 184, 0, 0.45);
            color: #1A1A1F;
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 16px;
            border-radius: 30px;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 20px;
        }

        /* Sections */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--white);
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 10px;
        }
        .section-header .subtitle {
            font-size: 15px;
            color: var(--text-light);
            max-width: 500px;
            margin: 0 auto;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Event Cards */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .event-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .event-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .event-card .card-img-wrap {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .event-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            z-index: 3;
            backdrop-filter: blur(8px);
        }
        .tag-hot {
            background: var(--danger);
            color: #fff;
        }
        .tag-ongoing {
            background: var(--success);
            color: #fff;
        }
        .tag-upcoming {
            background: var(--accent);
            color: #1A1A1F;
        }
        .tag-limited {
            background: var(--warning);
            color: #fff;
        }
        .event-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.35;
        }
        .event-card .card-body .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .event-card .card-body .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .event-card .card-body .card-stats {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .event-card .card-body .card-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .event-card .card-body .btn {
            align-self: flex-start;
        }

        /* Featured Event */
        .featured-event {
            background: var(--white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            border: 1px solid var(--border-light);
        }
        .featured-event .feat-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
        }
        .featured-event .feat-content {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-event .feat-content .feat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--danger);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 16px;
            align-self: flex-start;
            animation: tagGlow 2s ease-in-out infinite;
        }
        @keyframes tagGlow {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 59, 48, 0);
            }
        }
        .featured-event .feat-content h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .featured-event .feat-content .feat-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .countdown-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .countdown-item {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 12px 16px;
            text-align: center;
            min-width: 56px;
            border: 1px solid var(--border);
        }
        .countdown-item .cd-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .countdown-item .cd-label {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 3px;
        }

        /* Timeline */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 36px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding: 18px 0 18px 28px;
            border-bottom: 1px solid var(--border-light);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 24px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--white);
            box-shadow: 0 0 0 3px var(--primary-glow);
            z-index: 2;
        }
        .timeline-item .tl-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
        }
        .testimonial-card .t-stars {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .testimonial-card .t-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }
        .testimonial-card .t-date {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-q:hover {
            background: var(--bg-alt);
        }
        .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: all var(--transition);
            color: var(--text-light);
        }
        .faq-item.open .faq-q .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-a {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            padding: 0 22px 18px 22px;
            max-height: 500px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary), #2D2D42);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 92, 61, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: #17171F;
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .featured-event {
                grid-template-columns: 1fr;
            }
            .featured-event .feat-img {
                min-height: 240px;
                max-height: 300px;
            }
            .featured-event .feat-content {
                padding: 28px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .events-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .page-hero h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: var(--white);
                padding: 90px 24px 30px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 999;
                align-items: stretch;
                overflow-y: auto;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius);
                justify-content: flex-start;
            }
            .main-nav a.cta-nav {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
                border-radius: 24px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.45);
                z-index: 998;
            }
            .mobile-overlay.show {
                display: block;
            }
            .page-hero {
                padding: 50px 0 60px;
                min-height: 340px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .countdown-row {
                gap: 8px;
            }
            .countdown-item {
                min-width: 44px;
                padding: 10px 12px;
            }
            .countdown-item .cd-num {
                font-size: 18px;
            }
            .featured-event .feat-content {
                padding: 22px;
            }
            .featured-event .feat-content h3 {
                font-size: 21px;
            }
            .timeline-list {
                padding-left: 28px;
            }
            .timeline-list::before {
                left: 10px;
            }
            .timeline-item {
                padding-left: 22px;
            }
            .timeline-item::before {
                left: -20px;
                width: 12px;
                height: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero {
                padding: 40px 0 48px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .hero-desc {
                font-size: 14px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
                border-radius: 24px;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 15px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .section-header h2 {
                font-size: 23px;
            }
            .stats-row {
                grid-template-columns: 2fr 2fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-card .stat-num {
                font-size: 24px;
            }
            .stat-card .stat-label {
                font-size: 12px;
            }
            .event-card .card-body h3 {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .countdown-row {
                gap: 6px;
            }
            .countdown-item {
                padding: 8px 10px;
                min-width: 40px;
            }
            .countdown-item .cd-num {
                font-size: 16px;
            }
            .featured-event .feat-img {
                min-height: 180px;
                max-height: 220px;
            }
            .events-grid {
                gap: 12px;
            }
            .testimonial-grid {
                gap: 12px;
            }
            .faq-q {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-a {
                font-size: 13px;
            }
            .faq-item.open .faq-a {
                padding: 0 16px 14px 16px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1B1D2A;
            --color-primary-light: #252836;
            --color-accent: #D4A853;
            --color-accent-light: #E8C97A;
            --color-accent-dark: #B8923E;
            --color-bg: #F7F8FA;
            --color-surface: #FFFFFF;
            --color-text: #2D3436;
            --color-text-secondary: #6B7280;
            --color-text-light: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F1F3;
            --color-tag-bg: #FFF8ED;
            --color-tag-text: #B8781A;
            --color-success: #10B981;
            --color-blue-accent: #3B82F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
        }

        *,
        *::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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--color-surface);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.82;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0;
            flex-shrink: 0;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: var(--radius-md);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: rgba(27, 29, 42, 0.04);
        }

        .main-nav a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(212, 168, 83, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .main-nav a.cta-nav {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 22px;
            box-shadow: 0 2px 10px rgba(212, 168, 83, 0.3);
            transition: all var(--transition-base);
        }

        .main-nav a.cta-nav:hover {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.45);
            transform: translateY(-1px);
        }

        .main-nav a.cta-nav::after {
            display: none;
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            background: var(--color-border-light);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--color-border);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            padding: 86px 0 72px;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 29, 42, 0.82) 0%, rgba(27, 29, 42, 0.55) 60%, rgba(27, 29, 42, 0.72) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .banner-breadcrumb a:hover {
            color: #fff;
        }

        .banner-breadcrumb .separator {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.6;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 14px;
        }

        /* ========== MAIN CONTENT ========== */
        .site-main {
            flex: 1;
            padding-bottom: 0;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        /* ========== NEWS LIST ========== */
        .news-list-large {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .news-card-horizontal {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 28px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            align-items: stretch;
        }

        .news-card-horizontal:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }

        .news-card-horizontal .news-thumb {
            position: relative;
            overflow: hidden;
            min-height: 200px;
            height: 100%;
        }

        .news-card-horizontal .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .news-card-horizontal .news-body {
            padding: 24px 24px 24px 4px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.84rem;
            color: var(--color-text-light);
        }

        .news-meta .news-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .news-meta .news-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
        }

        .news-card-horizontal .news-title {
            font-family: var(--font-heading);
            font-size: 1.22rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-card-horizontal:hover .news-title {
            color: var(--color-accent-dark);
        }

        .news-card-horizontal .news-excerpt {
            font-size: 0.94rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-horizontal .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            transition: all var(--transition-fast);
            margin-top: 4px;
            align-self: flex-start;
        }

        .news-card-horizontal .read-more i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .news-card-horizontal .read-more:hover {
            color: var(--color-accent);
        }

        .news-card-horizontal .read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== TIMELINE ========== */
        .timeline-section {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .timeline-list {
            position: relative;
            padding-left: 32px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-light), var(--color-border));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 32px;
            padding-left: 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -25px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
            z-index: 2;
        }

        .timeline-item:last-child .timeline-dot {
            background: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 3px var(--color-primary);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(27, 29, 42, 0.18);
            }
        }

        .timeline-year {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-accent-dark);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .timeline-item:last-child .timeline-year {
            color: var(--color-primary);
        }

        .timeline-content {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .timeline-content strong {
            color: var(--color-text);
            font-weight: 600;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            border-radius: 0 0 3px 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: all var(--transition-base);
        }

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

        .stat-card:hover::before {
            opacity: 1;
            width: 70px;
        }

        .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 44px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 20px rgba(212, 168, 83, 0.5);
            transform: translateY(-2px);
        }

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

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 26px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
        }

        .faq-item h3 {
            font-family: var(--font-heading);
            font-size: 1.04rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.4;
        }

        .faq-item h3 .faq-icon {
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .faq-item .faq-answer {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-left: 26px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 0;
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1120px) {
            .main-nav a {
                padding: 8px 11px;
                font-size: 0.85rem;
            }
            .main-nav a.cta-nav {
                padding: 8px 14px;
            }
            .news-card-horizontal {
                grid-template-columns: 220px 1fr;
                gap: 18px;
            }
            .news-card-horizontal .news-body {
                padding: 18px 18px 18px 2px;
            }
            .news-card-horizontal .news-title {
                font-size: 1.08rem;
            }
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 24px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 900px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 7px 9px;
                font-size: 0.8rem;
            }
            .main-nav a.cta-nav {
                padding: 7px 11px;
                font-size: 0.8rem;
            }
            .news-card-horizontal {
                grid-template-columns: 1fr;
                grid-template-rows: auto auto;
            }
            .news-card-horizontal .news-thumb {
                min-height: 200px;
                max-height: 240px;
                height: auto;
            }
            .news-card-horizontal .news-body {
                padding: 18px 20px 22px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .timeline-section {
                padding: 36px 24px;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .page-banner {
                padding: 60px 0 48px;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 680px) {
            :root {
                --nav-height: 60px;
                --section-gap: 44px;
                --section-gap-sm: 28px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 13px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
                justify-content: flex-start;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.cta-nav {
                justify-content: center;
                margin-top: 4px;
                border-radius: var(--radius-md);
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .news-card-horizontal .news-thumb {
                min-height: 160px;
                max-height: 200px;
            }
            .news-card-horizontal .news-title {
                font-size: 1rem;
            }
            .page-banner {
                padding: 44px 0 36px;
                min-height: 180px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 420px) {
            .container {
                padding: 0 14px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 16px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .news-card-horizontal .news-body {
                padding: 14px 16px 18px;
            }
            .btn-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
            .timeline-section {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .timeline-list {
                padding-left: 22px;
            }
            .timeline-list::before {
                left: 7px;
            }
            .timeline-dot {
                left: -19px;
                width: 11px;
                height: 11px;
            }
            .timeline-item {
                padding-left: 18px;
            }
        }