/* roulang page: index */
:root {
            --brand-600: #1a3c5e;
            --brand-700: #152e48;
            --brand-800: #0f2135;
            --gold-500: #c49632;
            --gold-400: #d4a843;
            --text-main: #1a1f2b;
            --text-soft: #5a6070;
            --text-muted: #88909e;
            --bg-page: #fafbfc;
            --bg-white: #ffffff;
            --border-light: #e8ecf1;
            --border-soft: #eef1f5;
            --radius-md: 0.625rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --shadow-sm: 0 2px 12px rgba(10, 23, 38, 0.05);
            --shadow-md: 0 4px 24px rgba(10, 23, 38, 0.07);
            --shadow-lg: 0 8px 36px rgba(10, 23, 38, 0.12);
            --transition-base: 0.22s ease;
        }

        *,
        *::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: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--brand-600);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            padding: 0;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Container */
        .container-custom {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
            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;
            height: 64px;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--brand-800);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            color: var(--gold-500);
            font-size: 1.5rem;
        }
        .logo-link:hover {
            color: var(--brand-600);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--brand-600);
            background: #f5f7fa;
        }
        .nav-links a.active {
            color: var(--brand-600);
            background: #eef3f9;
            font-weight: 600;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #f5f7fa;
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }
        .search-box:focus-within {
            border-color: var(--gold-400);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(196, 150, 50, 0.08);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            width: 150px;
            color: var(--text-main);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            color: var(--text-muted);
            font-size: 1rem;
            transition: color var(--transition-base);
        }
        .search-box button:hover {
            color: var(--gold-500);
        }
        .btn-cta-nav {
            background: var(--gold-500);
            color: #fff;
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 10px rgba(196, 150, 50, 0.25);
        }
        .btn-cta-nav:hover {
            background: var(--gold-400);
            box-shadow: 0 4px 18px rgba(196, 150, 50, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Mobile menu toggle */
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-main);
            padding: 6px;
            border-radius: var(--radius-md);
            transition: background var(--transition-base);
        }
        .mobile-toggle:hover {
            background: #f5f7fa;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            z-index: 99;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition-base);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--brand-600);
            background: #eef3f9;
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #f8f9fc 0%, #eef2f7 40%, #e4eaf3 100%);
            padding: 72px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg-img {
            position: absolute;
            right: -40px;
            top: 50%;
            transform: translateY(-50%);
            width: 48%;
            max-width: 700px;
            opacity: 0.35;
            pointer-events: none;
            border-radius: 24px;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(196, 150, 50, 0.12);
            color: #8c691f;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--brand-800);
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin: 0 0 18px;
        }
        .hero-title span {
            color: var(--gold-500);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--brand-600);
            color: #fff;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(26, 60, 94, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--brand-700);
            box-shadow: 0 6px 24px rgba(26, 60, 94, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-gold {
            border: 2px solid var(--gold-500);
            color: var(--gold-500);
            padding: 12px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-gold:hover {
            background: var(--gold-500);
            color: #fff;
            box-shadow: 0 4px 16px rgba(196, 150, 50, 0.3);
            transform: translateY(-2px);
        }

        /* Section */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gold-500);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--gold-500);
            margin-bottom: 12px;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-800);
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Advantage Cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px 22px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .adv-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #eef3f9;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--brand-600);
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }
        .advantage-card:hover .adv-icon-circle {
            background: var(--brand-600);
            color: #fff;
        }
        .advantage-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 0 0 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .category-card .cat-img-wrap {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .category-card .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .category-card:hover .cat-img-wrap img {
            transform: scale(1.06);
        }
        .category-card .cat-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .cat-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 0 0 6px;
        }
        .category-card .cat-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0 0 14px;
            flex: 1;
        }
        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--brand-600);
            transition: all var(--transition-base);
        }
        .cat-link:hover {
            color: var(--gold-500);
            gap: 10px;
        }

        /* Brand Story */
        .brand-story-section {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border: 1px solid var(--border-soft);
        }
        .brand-story-img {
            min-height: 380px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .brand-story-text {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .brand-story-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 0 0 14px;
        }
        .brand-story-text p {
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.85;
            margin: 0 0 10px;
        }

        /* Partner Logos */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px 40px;
        }
        .partner-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: color var(--transition-base);
            white-space: nowrap;
        }
        .partner-item i {
            font-size: 1.6rem;
            color: var(--brand-600);
            opacity: 0.7;
            transition: opacity var(--transition-base);
        }
        .partner-item:hover {
            color: var(--brand-600);
        }
        .partner-item:hover i {
            opacity: 1;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .testimonial-card .t-quote {
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 18px;
            border-left: 3px solid var(--gold-400);
        }
        .testimonial-card .t-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--brand-800);
        }
        .testimonial-card .t-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .testimonial-card .t-stars {
            color: var(--gold-500);
            font-size: 0.85rem;
            margin-bottom: 6px;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--brand-800);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition-base);
        }
        .faq-question:hover {
            background: #fafbfc;
        }
        .faq-question i {
            color: var(--gold-500);
            transition: transform var(--transition-base);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open {
            border-color: var(--gold-300);
            box-shadow: var(--shadow-md);
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-card .news-img-wrap {
            height: 170px;
            overflow: hidden;
        }
        .news-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .news-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-card .news-body h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .news-card .news-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0 0 12px;
            flex: 1;
        }
        .btn-read-more {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--brand-600);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-base);
        }
        .btn-read-more:hover {
            color: var(--gold-500);
            gap: 8px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, var(--brand-700) 0%, var(--brand-800) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            margin: 0 0 64px;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 0 0 10px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold-500);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(196, 150, 50, 0.4);
        }
        .btn-cta-large:hover {
            background: #d4a843;
            box-shadow: 0 6px 28px rgba(196, 150, 50, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--brand-800);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-link-footer {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }
        .footer-brand .logo-link-footer i {
            color: var(--gold-400);
            font-size: 1.4rem;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.85rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
            font-size: 0.88rem;
        }
        .footer-col ul a:hover {
            color: var(--gold-400);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-bg-img {
                width: 55%;
                right: -60px;
                opacity: 0.25;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story-section {
                grid-template-columns: 1fr;
            }
            .brand-story-img {
                min-height: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .search-box input {
                width: 110px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .search-box {
                display: none;
            }
            .btn-cta-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                height: 56px;
            }
            .hero-section {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-bg-img {
                display: none;
            }
            .hero-content {
                max-width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 32px 20px;
                margin: 0 0 40px;
            }
            .cta-section h3 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-story-section {
                grid-template-columns: 1fr;
            }
            .brand-story-text {
                padding: 24px 18px;
            }
            .partner-row {
                gap: 18px 24px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline-gold {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1B3A5C;
            --primary-light: #254E7A;
            --primary-dark: #0F2440;
            --accent: #C8963E;
            --accent-light: #D9A94E;
            --accent-dark: #A67A2E;
            --bg-white: #FFFFFF;
            --bg-light: #F6F7F9;
            --bg-soft: #EDF0F4;
            --bg-dark: #0F1A2E;
            --text-primary: #1A1A1A;
            --text-secondary: #555555;
            --text-muted: #888888;
            --text-on-dark: #E8E8E8;
            --text-on-primary: #FFFFFF;
            --border: #DDE1E6;
            --border-light: #EBEEF2;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.13);
            --shadow-accent: 0 4px 16px rgba(200, 150, 62, 0.25);
            --transition: 0.22s ease;
            --transition-slow: 0.32s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 56px;
            --section-gap-sm: 36px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-white);
            min-height: 100vh;
            font-weight: 400;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            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-primary);
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary-dark);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 640px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-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;
            height: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .logo-link:hover {
            color: var(--primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .nav-links a.active {
            color: var(--accent-dark);
            background: #FDF8F0;
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
            margin-left: 10px;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-nav:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(27, 58, 92, 0.72) 100%);
            z-index: 1;
        }
        .hero-banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: 40px 0;
        }
        .hero-banner-content .badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .hero-banner-content h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .hero-banner-content .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            max-width: 560px;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 22px;
        }
        .cards-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .cards-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .cards-grid.cols-5 {
            grid-template-columns: repeat(5, 1fr);
        }
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 22px 20px;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #d0d5dc;
        }
        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: #E8F0FA;
            color: var(--primary);
        }
        .card-icon.gold {
            background: #FDF3E0;
            color: var(--accent);
        }
        .card-icon.green {
            background: #E6F4EC;
            color: #2D8A4E;
        }
        .card h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .card-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Stat Cards */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-number.accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Steps */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            text-align: center;
            padding: 22px 14px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow);
            border-color: #d0d5dc;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .step-item h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Event List */
        .event-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
        }
        .event-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .event-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .event-card-body {
            padding: 16px 18px;
        }
        .event-card-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .event-card-body .event-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .event-tag {
            display: inline-block;
            font-size: 0.75rem;
            background: #FDF3E0;
            color: var(--accent-dark);
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #d0d5dc;
        }
        .faq-q {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--primary-dark);
            user-select: none;
            background: var(--bg-white);
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-q i {
            font-size: 0.85rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            padding: 0 20px 18px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-dark);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: 44px 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.15);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 28px;
            border-radius: 26px;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-accent);
        }
        .btn-cta:hover {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #0F1A2E;
            color: #C0C8D4;
            padding: 48px 0 0;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-link-footer {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand .logo-link-footer i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: #A0A8B4;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: #A0A8B4;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
            font-size: 0.8rem;
            color: #8890A0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .hero-banner-content h1 {
                font-size: 2.2rem;
            }
            .cards-grid.cols-5 {
                grid-template-columns: repeat(3, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 40px 0;
            }
            :root {
                --section-gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 2px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                display: none;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 11px 12px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-cta {
                margin-left: auto;
                margin-right: 8px;
            }
            .btn-nav {
                font-size: 0.82rem;
                padding: 7px 14px;
            }
            .hero-banner {
                min-height: 260px;
            }
            .hero-banner-content h1 {
                font-size: 1.8rem;
            }
            .hero-banner-content .hero-desc {
                font-size: 0.95rem;
            }
            .cards-grid.cols-3,
            .cards-grid.cols-4,
            .cards-grid.cols-5 {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-list {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            :root {
                --section-gap: 34px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 14px;
            }
            .container {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 1.05rem;
            }
            .logo-link i {
                font-size: 1.2rem;
            }
            .hero-banner {
                min-height: 220px;
            }
            .hero-banner-content h1 {
                font-size: 1.5rem;
            }
            .hero-banner-content .hero-desc {
                font-size: 0.85rem;
            }
            .cards-grid,
            .cards-grid.cols-3,
            .cards-grid.cols-4,
            .cards-grid.cols-5 {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .event-list {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .btn-cta {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .cta-section {
                padding: 28px 18px;
                border-radius: var(--radius);
            }
            :root {
                --section-gap: 28px;
                --section-gap-sm: 22px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a3c6e;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2440;
            --accent: #d4a843;
            --accent-light: #f0d078;
            --accent-dark: #b0892c;
            --bg: #f7f8fa;
            --bg-white: #ffffff;
            --bg-light: #eef1f6;
            --bg-dark: #1a1f2e;
            --text: #1a1f2e;
            --text-secondary: #5a6270;
            --text-light: #8b919e;
            --text-white: #f5f5f7;
            --border: #e0e4ea;
            --border-light: #eef0f4;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

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

        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            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: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-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;
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition);
        }

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

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

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links li a.active {
            color: var(--bg-white);
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 60, 110, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        /* 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: 70px 0;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 110, 0.88) 0%, rgba(15, 36, 64, 0.82) 60%, rgba(26, 31, 46, 0.78) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: var(--text-white);
            max-width: 700px;
        }

        .page-banner .banner-label {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.7;
        }

        /* Section */
        .section {
            padding: 56px 0;
        }

        .section-sm {
            padding: 36px 0;
        }

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

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-header-left {
            text-align: left;
            margin-bottom: 28px;
        }

        .section-header-left h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        /* Lottery Ball */
        .ball-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin: 12px 0;
        }

        .ball {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18), inset 0 -2px 0 rgba(0, 0, 0, 0.12);
            flex-shrink: 0;
        }

        .ball-red {
            background: radial-gradient(circle at 35% 30%, #f05a5a, #c0392b);
        }

        .ball-blue {
            background: radial-gradient(circle at 35% 30%, #5b9ef5, #2471c8);
        }

        .ball-gold {
            background: radial-gradient(circle at 35% 30%, #f5c842, #c8961e);
        }

        .ball-green {
            background: radial-gradient(circle at 35% 30%, #5cc97a, #298b47);
        }

        .ball-sm {
            width: 34px;
            height: 34px;
            font-size: 0.9rem;
        }

        /* Result Card */
        .result-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .result-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border);
        }

        .result-card .card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.5px;
        }

        .result-card .card-badge-live {
            background: #e74c3c;
            color: #fff;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .result-card .lottery-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .result-card .draw-number {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .result-card .draw-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 8px;
            text-align: center;
        }

        .result-card .jackpot-info {
            text-align: center;
            font-size: 0.9rem;
            color: var(--accent-dark);
            font-weight: 600;
            margin-top: 6px;
        }

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

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        /* Schedule Table */
        .schedule-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }

        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.95rem;
        }

        .schedule-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .schedule-table tbody td {
            padding: 13px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }

        .schedule-table tbody tr:hover {
            background: var(--bg-light);
        }

        .schedule-table tbody tr:last-child td {
            border-bottom: none;
        }

        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            margin-right: 6px;
        }

        .status-dot-open {
            background: #27ae60;
        }

        .status-dot-closed {
            background: #b0b8c4;
        }

        .status-dot-soon {
            background: #f39c12;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(243, 156, 18, 0);
            }
        }

        /* Info Cards */
        .info-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .info-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }

        .info-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .icon-blue {
            background: #e8f0fd;
            color: var(--primary);
        }
        .icon-gold {
            background: #fef6e4;
            color: var(--accent-dark);
        }
        .icon-green {
            background: #e6f7ed;
            color: #27ae60;
        }
        .icon-red {
            background: #fdeaea;
            color: #c0392b;
        }

        .info-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 52px 0;
            text-align: center;
            color: var(--text-white);
            border-radius: var(--radius-xl);
            margin: 20px 0;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.45);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-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-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-icon {
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            padding: 0 22px 18px 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* Highlight Box */
        .highlight-box {
            background: linear-gradient(135deg, #fffdf5 0%, #fef9e7 100%);
            border: 1px solid #f0d078;
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 16px 0;
        }

        .highlight-box .highlight-title {
            font-weight: 700;
            color: var(--accent-dark);
            margin-bottom: 6px;
            font-size: 0.95rem;
        }

        .highlight-box p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #c5c9d2;
            padding: 48px 0 24px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link-footer {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            text-decoration: none;
        }

        .footer-brand .logo-link-footer i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #a0a6b2;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.88rem;
            color: #a0a6b2;
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-col ul li i {
            width: 18px;
            text-align: center;
            margin-right: 4px;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #7a8090;
        }

        /* Search Box */
        .search-box-inline {
            display: flex;
            gap: 8px;
            max-width: 480px;
            margin: 0 auto;
        }

        .search-box-inline input {
            flex: 1;
            padding: 12px 18px;
            border-radius: 25px;
            border: 2px solid var(--border);
            font-size: 0.95rem;
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .search-box-inline input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 60, 110, 0.08);
        }

        .search-box-inline .btn {
            flex-shrink: 0;
        }

        /* Tab switcher */
        .tab-switcher {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 28px;
        }

        .tab-btn {
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg-white);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .tab-btn:hover {
            background: var(--bg-light);
            color: var(--text);
        }

        .tab-btn.active-tab {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(26, 60, 110, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 12px 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                gap: 0;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                border-radius: 8px;
                padding: 10px 16px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner {
                padding: 44px 0;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .section {
                padding: 36px 0;
            }
            .ball {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .ball-sm {
                width: 28px;
                height: 28px;
                font-size: 0.78rem;
            }
            .cta-section {
                border-radius: var(--radius);
                margin: 10px 0;
                padding: 36px 16px;
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .tab-switcher {
                gap: 6px;
            }
            .tab-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-link {
                font-size: 1.05rem;
            }
            .logo-link i {
                font-size: 1.2rem;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .ball {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .ball-sm {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }
            .ball-row {
                gap: 6px;
            }
            .result-card {
                padding: 16px 18px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .schedule-table {
                min-width: 560px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0d2b4e;
            --primary-light: #1a4a7a;
            --primary-lighter: #2c6098;
            --accent: #c8963e;
            --accent-light: #e0b868;
            --accent-glow: #f5d78a;
            --text: #1e293b;
            --text-strong: #0f172a;
            --text-soft: #5a6c7d;
            --text-muted: #8899aa;
            --bg-page: #f5f6f8;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-soft: #f0f2f5;
            --bg-accent-soft: #fdf8f0;
            --border: #e0e5eb;
            --border-light: #eef1f5;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 3px 12px rgba(0, 0, 0, 0.06);
            --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 10px 32px rgba(0, 0, 0, 0.13);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg-page);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul {
            list-style: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .logo-link:hover {
            color: var(--primary-light);
        }
        .logo-link:hover i {
            color: var(--accent-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .nav-links li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(13, 43, 78, 0.25);
        }
        .nav-links li a.active:hover {
            background: var(--primary-light);
            color: #fff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
            letter-spacing: 0.02em;
        }
        .btn-nav-cta:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }
        .btn-nav-cta i {
            font-size: 0.85rem;
        }

        .mobile-menu-toggle {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 6px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-soft);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: linear-gradient(160deg, #0a1f38 0%, #0d2b4e 30%, #153d63 70%, #0d2b4e 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0 56px;
            color: #fff;
            text-align: center;
        }
        .page-hero::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-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg-page) 0%, transparent 100%);
            z-index: 1;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--accent-glow);
        }
        .page-hero .breadcrumb .sep {
            font-size: 0.75rem;
            opacity: 0.5;
        }
        .page-hero .breadcrumb .current {
            color: var(--accent-glow);
            font-weight: 500;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .page-hero h1 .accent-word {
            color: var(--accent-glow);
        }
        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.75;
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 56px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .section-header-centered {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-header-centered .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FEATURED STORY ========== */
        .featured-story-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow var(--transition);
        }
        .featured-story-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .featured-story-img {
            position: relative;
            min-height: 340px;
            overflow: hidden;
        }
        .featured-story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-story-card:hover .featured-story-img img {
            transform: scale(1.04);
        }
        .featured-story-img .badge-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.2);
            z-index: 2;
        }
        .featured-story-body {
            padding: 32px 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-story-body .story-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .featured-story-body .story-meta i {
            color: var(--accent);
            font-size: 0.75rem;
        }
        .featured-story-body h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 12px;
            line-height: 1.35;
            letter-spacing: 0.02em;
        }
        .featured-story-body p {
            color: var(--text-soft);
            line-height: 1.75;
            margin-bottom: 18px;
            font-size: 0.98rem;
        }
        .btn-outline-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border: 2px solid var(--primary);
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: all var(--transition);
            letter-spacing: 0.02em;
            align-self: flex-start;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        /* ========== STORY GRID ========== */
        .story-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .story-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .story-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .story-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .story-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .story-card:hover .story-card-img img {
            transform: scale(1.05);
        }
        .story-card-body {
            padding: 20px 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .story-card-body .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .story-card-body .card-meta i {
            color: var(--accent);
            font-size: 0.7rem;
        }
        .story-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .story-card-body p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .story-card-body .read-more {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }
        .story-card-body .read-more:hover {
            color: var(--accent);
        }
        .story-card-body .read-more i {
            transition: transform var(--transition);
            font-size: 0.75rem;
        }
        .story-card-body .read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }
        .process-step {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 22px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .process-step:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 14px;
            box-shadow: 0 3px 10px rgba(13, 43, 78, 0.25);
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 32px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-item .stat-value .accent-num {
            color: var(--accent);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-strong);
            cursor: pointer;
            text-align: left;
            letter-spacing: 0.01em;
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: var(--bg-soft);
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-soft);
            font-size: 0.93rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(145deg, #0d2b4e 0%, #153d63 60%, #0a1f38 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            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>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.4);
        }
        .btn-cta-large:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(200, 150, 62, 0.5);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a1622;
            color: #c5cdd7;
            padding: 48px 0 28px;
            margin-top: auto;
            font-size: 0.92rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-link-footer {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-brand .logo-link-footer i {
            color: var(--accent-light);
        }
        .footer-brand p {
            color: #9aa8b8;
            line-height: 1.75;
            font-size: 0.9rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: #9aa8b8;
            transition: color var(--transition);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-col ul li i {
            width: 18px;
            text-align: center;
            margin-right: 4px;
            color: var(--accent-light);
            font-size: 0.8rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            color: #7a8a9a;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .story-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                padding: 24px 20px;
            }
            .featured-story-card {
                grid-template-columns: 1fr;
            }
            .featured-story-img {
                min-height: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 58px;
                gap: 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 4px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                text-align: left;
                padding: 11px 16px;
                border-radius: 10px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .btn-nav-cta {
                font-size: 0.82rem;
                padding: 7px 14px;
                border-radius: 18px;
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
                padding: 18px 14px;
            }
            .stat-item .stat-value {
                font-size: 1.8rem;
            }
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .featured-story-body {
                padding: 20px 18px;
            }
            .featured-story-body h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .featured-story-img {
                min-height: 180px;
            }
            .story-card-img {
                height: 160px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a3c5e;
            --primary-light: #2c5f8a;
            --primary-dark: #0d2137;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-dark: #a0782e;
            --bg: #ffffff;
            --bg-alt: #f7f8fa;
            --bg-warm: #faf9f6;
            --bg-dark: #0d1f33;
            --bg-dark-secondary: #112840;
            --text: #2d3748;
            --text-heading: #1a2b3c;
            --text-light: #718096;
            --text-lighter: #a0aec0;
            --text-on-dark: #e8edf2;
            --border: #e2e8f0;
            --border-light: #edf2f7;
            --border-accent: rgba(200, 150, 62, 0.25);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 6px 24px rgba(200, 150, 62, 0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.2s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 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;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--primary-light);
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform var(--transition-fast);
        }
        .logo-link:hover i {
            transform: rotate(-15deg);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.04);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.07);
            font-weight: 600;
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition-fast);
            max-width: 200px;
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.1);
            background: #fff;
        }
        .search-box i {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .search-box input {
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text);
            width: 100%;
            min-width: 80px;
        }
        .search-box input::placeholder {
            color: var(--text-lighter);
        }

        .btn-cta-header {
            background: var(--accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.3);
        }
        .btn-cta-header:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 80px 0 70px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 51, 0.88) 0%, rgba(26, 60, 94, 0.78) 50%, rgba(13, 31, 51, 0.82) 100%);
            z-index: 1;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 500;
        }
        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.8;
        }
        .banner-accent-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent-light);
            border-radius: 50%;
            margin-right: 12px;
            vertical-align: middle;
        }

        /* Section通用 */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-warm {
            background: var(--bg-warm);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-header .subtitle {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-dark .section-header .subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .accent-underline {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 8px auto 16px;
        }

        /* 步骤流程 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-accent);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
            transition: background var(--transition-fast);
        }
        .step-card:hover .step-number {
            background: var(--accent);
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .step-connector {
            display: none;
        }

        /* 投注方式卡片 */
        .cards-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .method-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;
        }
        .method-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--border-accent);
        }
        .method-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .method-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .method-card:hover .card-img img {
            transform: scale(1.06);
        }
        .method-card .card-body {
            padding: 22px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .method-card .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .method-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .method-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }
        .method-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            margin-top: 14px;
            transition: color var(--transition-fast);
        }
        .method-card .card-link:hover {
            color: var(--accent);
        }
        .method-card .card-link i {
            transition: transform var(--transition-fast);
        }
        .method-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* 技巧策略区 */
        .tips-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .tips-block .tips-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .tips-block .tips-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .tips-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
        }
        .tips-content .lead {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: #fff;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border-left: 3px solid var(--accent);
            transition: all var(--transition-fast);
        }
        .tips-list li:hover {
            box-shadow: var(--shadow);
            border-left-color: var(--primary);
        }
        .tips-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .tips-list li .tip-text strong {
            display: block;
            color: var(--text-heading);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .tips-list li .tip-text span {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* 新手必读 */
        .beginner-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .beginner-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .beginner-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-accent);
            transform: translateY(-2px);
        }
        .beginner-card .icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(26, 60, 94, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--primary);
            transition: all var(--transition-fast);
        }
        .beginner-card:hover .icon-circle {
            background: var(--primary);
            color: #fff;
        }
        .beginner-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .beginner-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-heading);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            background: transparent;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(26, 60, 94, 0.02);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
            border-top: 0px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 16px 22px 22px;
            border-top: 1px solid var(--border-light);
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 56px 0;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo-link-footer {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-link-footer i {
            color: var(--accent-light);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.85rem;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            text-align: center;
            padding: 18px 0;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
            line-height: 1.6;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .tips-block .tips-image {
                order: -1;
                max-height: 320px;
            }
            .tips-block .tips-image img {
                height: 100%;
                object-fit: cover;
            }
            .beginner-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .nav-links li a {
                padding: 8px 11px;
                font-size: 0.85rem;
            }
            .search-box {
                max-width: 150px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 0;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
                gap: 0;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 14px 24px;
                border-radius: 0;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border-light);
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-links li a.active {
                background: rgba(26, 60, 94, 0.06);
                border-left: 3px solid var(--accent);
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn-cta-header {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cards-grid-3 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .page-banner {
                padding: 50px 0 44px;
            }
            .page-banner h1 {
                font-size: 1.65rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .tips-content h2 {
                font-size: 1.45rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .method-card .card-img {
                height: 180px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }
            .container-narrow {
                padding: 0 14px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .step-card {
                padding: 22px 18px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .tips-list li {
                flex-direction: column;
                gap: 8px;
            }
            .beginner-card {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 12px 16px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1B3A5C;
            --primary-light: #2C5F8A;
            --primary-deep: #0D2137;
            --accent: #D4A843;
            --accent-light: #E8C97A;
            --accent-dark: #B8922E;
            --bg: #FFFFFF;
            --bg-light: #F7F8FA;
            --bg-soft: #F0F2F5;
            --bg-dark: #0D2137;
            --text: #1A1A1A;
            --text-secondary: #3D3D3D;
            --text-light: #666666;
            --text-muted: #999999;
            --text-inverse: #FFFFFF;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --radius-lg: 14px;
            --radius: 10px;
            --radius-sm: 7px;
            --radius-xs: 4px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 14px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.11);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --section-gap: 70px;
            --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;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text);
            background-color: 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: color var(--transition);
        }

        a:hover {
            color: var(--primary-light);
        }

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

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== HEADER & NAVIGATION ===== */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 28px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition);
        }

        .logo-link i {
            font-size: 1.55rem;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .logo-link:hover {
            color: var(--primary-light);
        }

        .logo-link:hover i {
            transform: rotate(-12deg);
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 9px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }

        .nav-links li a.active {
            color: var(--primary);
            background: #EDF2F7;
            font-weight: 600;
            position: relative;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--accent);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-nav-cta:hover {
            background: var(--accent-dark);
            color: #FFFFFF;
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 6px 10px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg-soft);
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, var(--primary-deep) 0%, var(--primary) 40%, #1a4a72 100%);
            padding: 70px 0 80px;
            overflow: hidden;
            color: var(--text-inverse);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            pointer-events: none;
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 750px;
            margin: 0 auto;
        }

        .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--accent-light);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        }

        .banner-content h1 span {
            color: var(--accent-light);
        }

        .banner-content .banner-desc {
            font-size: 1.12rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .banner-stat-item {
            text-align: center;
        }

        .banner-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-light);
            letter-spacing: -0.01em;
        }

        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        /* ===== SECTION COMMON ===== */
        .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-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--accent-dark);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* ===== LOTTERY CARDS GRID ===== */
        .lottery-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

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

        .lottery-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: var(--accent-light);
        }

        .lottery-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg-soft);
        }

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

        .lottery-card:hover .lottery-card-image img {
            transform: scale(1.06);
        }

        .lottery-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--primary);
            border-radius: 50px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .lottery-card-tag.hot {
            background: #E74C3C;
        }

        .lottery-card-tag.recommend {
            background: var(--accent);
        }

        .lottery-card-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .lottery-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .lottery-card-body .card-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .lottery-card-body .card-meta i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        .lottery-card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .btn-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }

        .btn-card-link i {
            transition: transform var(--transition);
            font-size: 0.8rem;
        }

        .btn-card-link:hover {
            color: var(--accent-dark);
        }

        .btn-card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== FEATURE BLOCK ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

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

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

        .feature-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .feature-text p {
            font-size: 0.98rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }

        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .feature-list-item i {
            color: var(--accent);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== DATA TABLE AREA ===== */
        .data-showcase {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid var(--border);
        }

        .data-showcase-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .data-showcase-header h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
        }

        .btn-refresh {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .btn-refresh:hover {
            background: var(--bg-soft);
            border-color: var(--primary-light);
        }

        .lottery-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .lottery-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }

        .lottery-table thead th {
            background: var(--primary);
            color: #FFFFFF;
            padding: 13px 14px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            text-align: center;
            white-space: nowrap;
        }

        .lottery-table thead th:first-child {
            border-radius: var(--radius-xs) 0 0 var(--radius-xs);
        }

        .lottery-table thead th:last-child {
            border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
        }

        .lottery-table tbody td {
            padding: 13px 14px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
            letter-spacing: 0.03em;
        }

        .lottery-table tbody tr {
            transition: background var(--transition);
        }

        .lottery-table tbody tr:hover {
            background: #FAFBFC;
        }

        .num-ball {
            display: inline-block;
            width: 32px;
            height: 32px;
            line-height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
            text-align: center;
            margin: 0 2px;
            color: #FFFFFF;
            background: var(--primary);
        }

        .num-ball.red {
            background: #E74C3C;
        }

        .num-ball.blue {
            background: #2980B9;
        }

        .num-ball.gold {
            background: var(--accent);
        }

        /* ===== STEPS / TIMELINE ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 22px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            counter-increment: step;
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            background: var(--primary);
            margin-bottom: 14px;
            transition: background var(--transition);
        }

        .step-card:hover .step-number {
            background: var(--accent);
        }

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

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

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

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
            gap: 16px;
            background: transparent;
            border: none;
        }

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

        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== CTA BANNER ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-banner>* {
            position: relative;
            z-index: 2;
        }

        .cta-banner h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-deep);
            background: var(--accent-light);
            border-radius: 50px;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35);
        }

        .btn-cta-primary:hover {
            background: #FFFFFF;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.3);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            margin-top: auto;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link-footer {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand .logo-link-footer i {
            color: var(--accent-light);
            font-size: 1.3rem;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.65;
            font-size: 0.85rem;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 52px;
                --section-gap-sm: 36px;
            }

            .lottery-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

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

            .feature-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .feature-image-wrap {
                aspect-ratio: 16 / 9;
                max-height: 360px;
            }

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

            .banner-content h1 {
                font-size: 2.2rem;
            }

            .banner-stats {
                gap: 24px;
            }

            .nav-links li a {
                padding: 8px 11px;
                font-size: 0.88rem;
            }

            .header-actions .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
                --section-gap-sm: 30px;
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }

            .nav-links {
                gap: 2px;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                width: 100%;
                order: 3;
            }

            .nav-links::-webkit-scrollbar {
                display: none;
            }

            .nav-links li a {
                padding: 8px 13px;
                font-size: 0.84rem;
                white-space: nowrap;
            }

            .nav-links li a.active::after {
                bottom: -7px;
                width: 20px;
                height: 2px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .header-actions {
                order: 2;
            }

            .logo-link {
                order: 1;
            }

            .lottery-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .lottery-card-image {
                height: 140px;
            }

            .lottery-card-body h3 {
                font-size: 1.05rem;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .step-card {
                padding: 20px 16px;
            }

            .banner-content h1 {
                font-size: 1.8rem;
            }

            .banner-content .banner-desc {
                font-size: 0.95rem;
            }

            .banner-stats {
                gap: 16px;
            }

            .banner-stat-item .stat-num {
                font-size: 1.5rem;
            }

            .page-banner {
                padding: 48px 0 56px;
            }

            .data-showcase {
                padding: 22px 14px;
            }

            .lottery-table {
                font-size: 0.78rem;
            }

            .num-ball {
                width: 26px;
                height: 26px;
                line-height: 26px;
                font-size: 0.72rem;
                margin: 0 1px;
            }

            .cta-banner {
                padding: 34px 22px;
            }

            .cta-banner h3 {
                font-size: 1.35rem;
            }

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

            .faq-question {
                font-size: 0.9rem;
                padding: 15px 16px;
            }

            .section-header h2 {
                font-size: 1.55rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }

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

            .lottery-card-image {
                height: 160px;
            }

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

            .banner-content h1 {
                font-size: 1.5rem;
            }

            .banner-stats {
                gap: 10px;
            }

            .banner-stat-item .stat-num {
                font-size: 1.3rem;
            }

            .banner-stat-item .stat-label {
                font-size: 0.75rem;
            }

            .feature-text h3 {
                font-size: 1.3rem;
            }

            .cta-banner h3 {
                font-size: 1.2rem;
            }

            .btn-cta-primary {
                padding: 11px 22px;
                font-size: 0.9rem;
            }

            .section-header h2 {
                font-size: 1.35rem;
            }

            .lottery-table thead th,
            .lottery-table tbody td {
                padding: 10px 8px;
                font-size: 0.72rem;
            }

            .num-ball {
                width: 22px;
                height: 22px;
                line-height: 22px;
                font-size: 0.65rem;
                margin: 0 1px;
            }

            .data-showcase {
                padding: 16px 10px;
            }

            .btn-nav-cta {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1a3c6d;
            --primary-light: #1e4d8c;
            --primary-dark: #0f2557;
            --accent: #d4943a;
            --accent-light: #e8b860;
            --accent-dark: #b07028;
            --bg: #fafaf9;
            --bg-card: #ffffff;
            --bg-warm: #fdf6ed;
            --bg-soft: #f4f6f9;
            --text: #1c1c1c;
            --text-secondary: #5a5a5a;
            --text-muted: #8c8c8c;
            --text-light: #b0b0b0;
            --border: #e5e5e0;
            --border-light: #f0f0eb;
            --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 14px 40px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 20px 55px rgba(0, 0, 0, 0.13);
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --max-width: 1240px;
            --nav-height: 66px;
        }

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

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

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

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

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

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }

        p {
            margin: 0;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
        }

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

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .logo-link i {
            font-size: 1.45rem;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .logo-link:hover {
            color: var(--primary-light);
        }

        .logo-link:hover i {
            transform: rotate(-12deg);
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 13px;
            border-radius: 7px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 60, 109, 0.25);
        }

        .nav-links li a.active:hover {
            background: var(--primary-light);
            color: #ffffff;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border-radius: 22px;
            padding: 7px 14px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 60, 109, 0.08);
            background: #fff;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box button {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-muted);
            padding: 0;
            font-size: 0.95rem;
            transition: color var(--transition);
        }

        .search-box button:hover {
            color: var(--primary);
        }

        .btn-cta-header {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 22px;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-cta-header:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 148, 58, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
            padding: 6px 10px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .mobile-menu-btn:hover {
            background: var(--bg-soft);
        }

        @media (max-width: 1024px) {
            .search-box input {
                width: 100px;
            }
            .nav-links li a {
                padding: 7px 9px;
                font-size: 0.85rem;
            }
            .btn-cta-header {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 880px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 10px 20px;
                gap: 2px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links li a {
                display: block;
                padding: 11px 14px;
                border-radius: 8px;
                font-size: 0.95rem;
            }

            .mobile-menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .header-actions .search-box {
                display: none;
            }

            .btn-cta-header {
                font-size: 0.82rem;
                padding: 7px 13px;
            }
        }

        @media (max-width: 520px) {
            .btn-cta-header {
                display: none;
            }
            .logo-link {
                font-size: 1.05rem;
            }
            .logo-link i {
                font-size: 1.2rem;
            }
            .site-header {
                height: 56px;
            }
        }

        /* ===== HERO ===== */
        .hero-inner {
            position: relative;
            background: linear-gradient(135deg, #1a3c6d 0%, #0f2557 40%, #1e4d8c 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #ffffff;
            padding: 70px 0 64px;
            text-align: center;
            overflow: hidden;
        }

        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 30, 60, 0.55);
            z-index: 1;
        }

        .hero-inner .container-custom {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fdf3e0;
            font-weight: 600;
            font-size: 0.88rem;
            padding: 7px 18px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-inner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .hero-inner h1 span {
            color: var(--accent-light);
            position: relative;
        }

        .hero-inner .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin: 0 auto 10px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .hero-inner {
                padding: 48px 0 40px;
            }
            .hero-inner h1 {
                font-size: 1.75rem;
            }
            .hero-inner .hero-desc {
                font-size: 1rem;
            }
        }

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

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

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

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: var(--accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 42px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== CARDS GRID ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }

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

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

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }

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

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

        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: var(--bg-warm);
            padding: 4px 11px;
            border-radius: 14px;
            align-self: flex-start;
            letter-spacing: 0.3px;
        }

        .card-body h3 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            font-weight: 700;
        }

        .card-body p {
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.6;
            flex: 1;
        }

        .card-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition);
            margin-top: 4px;
        }

        .card-link:hover {
            gap: 10px;
            color: var(--accent-dark);
        }

        @media (max-width: 520px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-body {
                padding: 16px;
            }
            .card-body h3 {
                font-size: 1.08rem;
            }
        }

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

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: var(--bg-warm);
            opacity: 0.5;
            z-index: 0;
        }

        .stat-card>* {
            position: relative;
            z-index: 1;
        }

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

        .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.1;
        }

        .stat-number span {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 420px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .stat-icon {
                font-size: 1.4rem;
            }
        }

        /* ===== CONTENT BLOCK ===== */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .content-block.reverse {
            direction: rtl;
        }

        .content-block.reverse>* {
            direction: ltr;
        }

        .content-text h3 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 14px;
        }

        .content-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 10px;
        }

        .content-text .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 12px;
        }

        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.6;
        }

        .highlight-list li i {
            color: var(--accent);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .content-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            background: var(--bg-soft);
        }

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

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

        @media (max-width: 768px) {
            .content-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .content-block.reverse {
                direction: ltr;
            }
            .content-text h3 {
                font-size: 1.3rem;
            }
            .content-img {
                aspect-ratio: 16 / 10;
            }
        }

        /* ===== TIMELINE ===== */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            align-items: flex-start;
        }

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

        .timeline-dot {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .timeline-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .timeline-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        @media (max-width: 520px) {
            .timeline-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .timeline-dot {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }
        }

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

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

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            gap: 14px;
            transition: color var(--transition);
            font-family: inherit;
            line-height: 1.5;
        }

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

        .faq-question i {
            transition: transform var(--transition);
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

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

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            color: #ffffff;
            text-align: center;
            padding: 56px 0;
            border-radius: var(--radius-xl);
            margin: 0 20px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover;
            opacity: 0.12;
            z-index: 1;
        }

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

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 22px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 13px 30px;
            border-radius: 28px;
            font-size: 1.05rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 148, 58, 0.4);
        }

        .btn-cta-lg:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 10px 30px rgba(212, 148, 58, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                margin: 0 12px;
                padding: 40px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-cta-lg {
                padding: 11px 24px;
                font-size: 0.95rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #1a1f2b;
            color: #c5c9d2;
            padding: 48px 0 24px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link-footer {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-brand .logo-link-footer i {
            color: var(--accent-light);
            font-size: 1.3rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #a8adb7;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.88rem;
            color: #a8adb7;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #7d8290;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 32px 0 20px;
                margin-top: 40px;
            }
        }

        /* ===== UTILS ===== */
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }

        /* focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        @media (max-width: 1024px) {
            .hide-tablet {
                display: none !important;
            }
        }