/* roulang page: index */
:root {
            --color-primary: #0b1e3d;
            --color-primary-dark: #060f22;
            --color-accent: #c8a84e;
            --color-accent-light: #dbbc5a;
            --color-accent-dark: #a88a35;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-light: #f0efe9;
            --color-bg-dark: #0b1e3d;
            --color-bg-card: #ffffff;
            --color-text: #1a1a1a;
            --color-text-light: #5a5a5a;
            --color-text-muted: #888888;
            --color-text-on-dark: #e8e6df;
            --color-text-on-accent: #1a1a1a;
            --color-border: #e0ded6;
            --color-border-light: #edece6;
            --color-success: #2d8a56;
            --color-warning: #d4a017;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-accent: 0 4px 20px rgba(200, 168, 78, 0.3);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --nav-height: 72px;
            --nav-height-scrolled: 60px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }
        h1 {
            font-size: 3rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 2.5rem;
            font-weight: 400;
        }
        .section-divider {
            width: 50px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ 玻璃导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            transition: all var(--transition-base);
            background: rgba(11, 30, 61, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .site-header.scrolled {
            background: rgba(11, 30, 61, 0.96);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            height: var(--nav-height-scrolled);
            box-shadow: 0 4px 28px rgba(0, 0, 0, 0.25);
            border-bottom: 1px solid rgba(200, 168, 78, 0.25);
        }
        .site-header .navbar {
            height: 100%;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
        }
        .navbar-brand-custom {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: #ffffff !important;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .navbar-brand-custom .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-primary-dark);
            font-weight: 900;
            flex-shrink: 0;
        }
        .navbar-brand-custom:hover {
            color: var(--color-accent-light) !important;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin-left: 2.5rem;
        }
        .nav-link-custom {
            color: rgba(255, 255, 255, 0.85) !important;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #ffffff !important;
            background: rgba(200, 168, 78, 0.2);
        }
        .nav-link-custom.active {
            color: var(--color-accent-light) !important;
            background: rgba(200, 168, 78, 0.18);
            font-weight: 600;
        }
        .nav-cta-btn {
            background: var(--color-accent);
            color: var(--color-primary-dark) !important;
            font-weight: 600;
            padding: 0.5rem 1.4rem !important;
            border-radius: 50px !important;
            transition: all var(--transition-base);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
            color: var(--color-primary-dark) !important;
        }
        .navbar-toggler-custom {
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0.4rem 0.7rem;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.5);
        }
        .navbar-toggler-custom:focus {
            box-shadow: 0 0 0 3px rgba(200, 168, 78, 0.3);
            outline: none;
        }

        /* 移动端 offcanvas */
        .offcanvas-mobile {
            background: rgba(11, 30, 61, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
        }
        .offcanvas-mobile .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .offcanvas-mobile .offcanvas-title {
            color: #fff;
            font-weight: 700;
        }
        .offcanvas-mobile .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }
        .offcanvas-mobile .nav-link-custom {
            display: block;
            padding: 0.75rem 1.2rem !important;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            margin-bottom: 2px;
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            padding-top: var(--nav-height);
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 15, 34, 0.82) 0%, rgba(11, 30, 61, 0.7) 40%, rgba(11, 30, 61, 0.85) 100%);
            z-index: 1;
        }
        .hero-pattern {
            position: absolute;
            inset: 0;
            z-index: 1;
            opacity: 0.06;
            background: radial-gradient(circle at 30% 40%, rgba(200, 168, 78, 0.5) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(200, 168, 78, 0.3) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 3rem 1.5rem;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 168, 78, 0.2);
            color: var(--color-accent-light);
            border: 1px solid rgba(200, 168, 78, 0.4);
            padding: 0.4rem 1.3rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 1.5rem;
        }
        .hero-title {
            color: #ffffff;
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero-title .accent-text {
            color: var(--color-accent-light);
        }
        .hero-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.15rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 700;
            padding: 0.75rem 2.2rem;
            border-radius: 50px;
            font-size: 1rem;
            letter-spacing: 0.04em;
            border: none;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(200, 168, 78, 0.35);
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 8px 28px rgba(200, 168, 78, 0.5);
            transform: translateY(-2px);
            color: var(--color-primary-dark);
        }
        .btn-hero-outline {
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            padding: 0.75rem 2.2rem;
            border-radius: 50px;
            font-size: 1rem;
            letter-spacing: 0.04em;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
        }
        .btn-hero-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounceDown 2s infinite;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(12px);
            }
        }

        /* ============ 板块通用 ============ */
        .section-padding {
            padding: 5rem 0;
        }
        .section-padding-lg {
            padding: 6rem 0;
        }
        .bg-white-section {
            background: var(--color-bg-white);
        }
        .bg-light-section {
            background: var(--color-bg-light);
        }
        .bg-dark-section {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .bg-dark-section .section-title {
            color: #ffffff;
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ 数据统计卡片 ============ */
        .stat-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }
        .stat-icon {
            width: 56px;
            height: 56px;
            background: rgba(200, 168, 78, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--color-accent-dark);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ============ 核心优势卡片 ============ */
        .advantage-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 2.2rem 1.8rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
            height: 100%;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }
        .advantage-icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(11, 30, 61, 0.08) 0%, rgba(200, 168, 78, 0.2) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .advantage-card:hover .advantage-icon-circle {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            color: var(--color-primary-dark);
            box-shadow: var(--shadow-accent);
        }
        .advantage-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
            color: var(--color-primary);
        }
        .advantage-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ============ 品牌故事 ============ */
        .brand-story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .brand-story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .brand-story-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .brand-story-text h2 {
            color: var(--color-primary);
            margin-bottom: 1rem;
        }
        .brand-story-text p {
            color: var(--color-text-light);
            line-height: 1.9;
            font-size: 1.02rem;
            margin-bottom: 1rem;
        }
        .brand-story-highlights {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }
        .brand-highlight-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .brand-highlight-item i {
            font-size: 1.1rem;
        }

        /* ============ 分类入口卡片 ============ */
        .category-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent);
        }
        .category-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }
        .category-card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 30, 61, 0.7) 100%);
            pointer-events: none;
        }
        .category-card-body {
            padding: 1.4rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 1.15rem;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }
        .category-card-body p {
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.8rem;
        }
        .category-card-link {
            font-weight: 600;
            color: var(--color-accent-dark);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: all var(--transition-fast);
        }
        .category-card-link:hover {
            color: var(--color-primary);
            gap: 0.5rem;
        }

        /* ============ 新闻资讯 ============ */
        .news-list-item {
            display: flex;
            gap: 1.5rem;
            padding: 1.4rem 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: rgba(200, 168, 78, 0.04);
            padding-left: 0.8rem;
            border-radius: var(--radius-sm);
        }
        .news-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 95px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 0.3rem;
        }
        .news-info h4 {
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
            font-weight: 600;
        }
        .news-info p {
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-read-more {
            font-weight: 600;
            color: var(--color-accent-dark);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }
        .news-read-more:hover {
            color: var(--color-primary);
        }
        .news-read-more i {
            font-size: 0.75rem;
            margin-left: 2px;
        }

        /* ============ 用户评价 ============ */
        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-quote {
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
            opacity: 0.7;
        }
        .testimonial-text {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 1.2rem;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-bottom: 0.6rem;
        }

        /* ============ FAQ ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-bg-white);
            padding: 1.1rem 1.4rem;
            font-size: 1rem;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            box-shadow: none !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(200, 168, 78, 0.08);
            color: var(--color-primary-dark);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: all var(--transition-base);
        }
        .faq-accordion .accordion-body {
            padding: 1.2rem 1.4rem 1.5rem;
            color: var(--color-text-light);
            line-height: 1.9;
            font-size: 0.95rem;
            background: var(--color-bg-white);
        }

        /* ============ 合作伙伴 ============ */
        .partner-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            align-items: center;
        }
        .partner-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
            min-width: 140px;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.95rem;
            cursor: default;
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateY(-3px);
            color: var(--color-accent-dark);
        }
        .partner-item i {
            font-size: 1.8rem;
            display: block;
            margin-bottom: 0.4rem;
            color: var(--color-accent);
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 30%, rgba(200, 168, 78, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
        }
        .cta-section .btn-hero-primary {
            position: relative;
            z-index: 1;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 0.25rem 0;
            transition: all var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            gap: 0.6rem;
            align-items: flex-start;
            margin-bottom: 0.7rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact-item i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .brand-story-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .brand-story-image {
                order: -1;
            }
            .news-thumb {
                width: 110px;
                height: 75px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-padding-lg {
                padding: 4rem 0;
            }
            .navbar-nav-custom {
                margin-left: 1rem;
                gap: 0;
            }
            .nav-link-custom {
                padding: 0.4rem 0.7rem !important;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 90vh;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-badge {
                font-size: 0.8rem;
                padding: 0.35rem 1rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-card {
                padding: 1.5rem 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .news-list-item {
                flex-direction: column;
                gap: 0.8rem;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-lg);
            }
            .partner-grid {
                gap: 1rem;
            }
            .partner-item {
                padding: 1rem 1.4rem;
                min-width: 110px;
                font-size: 0.85rem;
            }
            .section-padding {
                padding: 2.8rem 0;
            }
            .section-padding-lg {
                padding: 3rem 0;
            }
            .brand-story-highlights {
                gap: 0.8rem;
            }
            .site-header {
                height: 60px;
            }
            :root {
                --nav-height: 60px;
                --nav-height-scrolled: 54px;
            }
            .navbar-brand-custom {
                font-size: 1.2rem;
            }
            .navbar-brand-custom .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.85rem;
                line-height: 1.6;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 0.7rem;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-card {
                padding: 1.2rem 0.8rem;
            }
            .advantage-card {
                padding: 1.5rem 1rem;
            }
            .category-card-body {
                padding: 1rem;
            }
            .testimonial-card {
                padding: 1.4rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .section-padding {
                padding: 2.2rem 0;
            }
            .section-padding-lg {
                padding: 2.5rem 0;
            }
            .section-header {
                margin-bottom: 2rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a3c6e;
            --color-primary-light: #2a5298;
            --color-accent: #d4a843;
            --color-accent-light: #e8c56d;
            --color-bg: #f8f9fa;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0d1b2a;
            --color-text: #1a1a2e;
            --color-text-light: #6b7280;
            --color-text-inverse: #f1f5f9;
            --color-border: #e5e7eb;
            --color-border-light: #f0f0f0;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16), 0 8px 20px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 10px 0;
            transition: all var(--transition-smooth);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.5);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-md);
            border-bottom-color: rgba(229, 231, 235, 0.8);
            padding: 6px 0;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .navbar-brand-custom:hover {
            color: var(--color-primary-light) !important;
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }
        .nav-link-custom {
            display: inline-block;
            padding: 9px 16px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #374151;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link-custom:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 110, 0.06);
        }
        .nav-link-custom.active {
            color: #ffffff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(26, 60, 110, 0.25);
        }
        .nav-link-custom.active:hover {
            color: #ffffff;
            background: var(--color-primary-light);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent), #c9952e);
            color: #ffffff !important;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 24px;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #c9952e, #b8861f);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.5);
            transform: translateY(-1px);
            color: #ffffff !important;
        }
        .navbar-toggler-custom {
            background: transparent;
            border: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(26, 60, 110, 0.08);
            color: var(--color-primary-light);
        }

        /* Offcanvas mobile menu */
        .mobile-nav-offcanvas {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
        }
        .mobile-nav-offcanvas .offcanvas-header {
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 20px;
        }
        .mobile-nav-offcanvas .offcanvas-title {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.2rem;
        }
        .mobile-nav-offcanvas .offcanvas-body {
            padding: 12px 20px;
        }
        .mobile-nav-link {
            display: block;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: #374151;
            transition: all var(--transition-fast);
            margin-bottom: 3px;
        }
        .mobile-nav-link:hover {
            background: rgba(26, 60, 110, 0.05);
            color: var(--color-primary);
        }
        .mobile-nav-link.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
        }
        .mobile-nav-cta {
            display: block;
            margin-top: 12px;
            padding: 13px 18px;
            border-radius: 24px;
            background: linear-gradient(135deg, var(--color-accent), #c9952e);
            color: #ffffff;
            font-weight: 600;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .mobile-nav-cta:hover {
            box-shadow: var(--shadow-lg);
            color: #ffffff;
        }

        /* ============ HERO / BANNER ============ */
        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 100px;
            padding-bottom: 60px;
            background: linear-gradient(160deg, #0d1b2a 0%, #1a3c6e 40%, #0f2847 100%);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.25;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 42, 0.3) 0%, rgba(26, 60, 110, 0.7) 60%, rgba(15, 40, 71, 0.85) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            color: #ffffff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #ffffff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.3;
        }

        /* ============ SECTIONS ============ */
        .section-padding {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-light);
            margin-bottom: 36px;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        /* Cards */
        .card-custom {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .card-custom .card-icon-blue {
            background: #e8f0fb;
            color: var(--color-primary);
        }
        .card-custom .card-icon-gold {
            background: #fef9ee;
            color: var(--color-accent);
        }
        .card-custom .card-icon-green {
            background: #ecfdf5;
            color: var(--color-success);
        }
        .card-custom h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.65;
        }

        /* Play card with image */
        .play-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            height: 100%;
        }
        .play-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .play-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .play-card-body {
            padding: 20px 22px;
        }
        .play-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .play-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }
        .play-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .tag-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .tag-popular {
            background: #fef9ee;
            color: #b8861f;
        }
        .tag-new {
            background: #ecfdf5;
            color: #059669;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg-white);
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-accent);
            margin-top: 3px;
            transition: transform var(--transition-fast);
        }
        .faq-answer {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-top: 10px;
            display: none;
            padding-right: 28px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1a3c6e 0%, #0d1b2a 100%);
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .btn-cta-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-accent), #c9952e);
            color: #ffffff;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.45);
        }
        .btn-cta-primary:hover {
            background: linear-gradient(135deg, #e8c56d, #d4a843);
            box-shadow: 0 12px 36px rgba(212, 168, 67, 0.6);
            transform: translateY(-2px);
            color: #ffffff;
        }
        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #ffffff;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 28px;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            margin-left: 12px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            color: #ffffff;
        }

        /* Steps / Guide */
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .step-blue {
            background: #e8f0fb;
            color: var(--color-primary);
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #cbd5e1;
            padding: 48px 0 20px;
            font-size: 0.9rem;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-desc {
            color: #94a3b8;
            line-height: 1.7;
            font-size: 0.88rem;
            max-width: 340px;
        }
        .site-footer h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-links a {
            display: block;
            color: #94a3b8;
            padding: 4px 0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            color: #cbd5e1;
            font-size: 0.88rem;
        }
        .footer-contact-item i {
            color: var(--color-accent-light);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 30px;
            padding-top: 16px;
            text-align: center;
            color: #64748b;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }

        /* Buttons */
        .btn-custom-primary {
            display: inline-block;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: 24px;
            border: none;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(26, 60, 110, 0.25);
        }
        .btn-custom-primary:hover {
            background: var(--color-primary-light);
            box-shadow: 0 6px 20px rgba(26, 60, 110, 0.4);
            transform: translateY(-1px);
            color: #ffffff;
        }
        .btn-custom-outline {
            display: inline-block;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 24px;
            transition: all var(--transition-smooth);
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .btn-custom-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero {
                min-height: 420px;
                padding-top: 90px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 380px;
                padding-top: 80px;
                padding-bottom: 40px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 14px;
                flex-direction: column;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .play-card-img {
                height: 160px;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 10px;
                display: block;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer .row>div {
                margin-bottom: 20px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .category-hero {
                min-height: 340px;
                padding-top: 70px;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
            .section-padding {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .card-custom {
                padding: 16px 14px;
            }
            .play-card-body {
                padding: 14px 16px;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --bs-brand-primary: #0A1628;
            --bs-brand-secondary: #1B3A5C;
            --bs-brand-accent: #F0A030;
            --bs-brand-accent-hover: #D4881A;
            --bs-brand-surface: #F4F6FA;
            --bs-brand-white: #FFFFFF;
            --bs-brand-text: #1a1d26;
            --bs-brand-text-soft: #5c6370;
            --bs-brand-text-muted: #8b919e;
            --bs-brand-border: #dfe3ea;
            --bs-brand-shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
            --bs-brand-shadow-md: 0 4px 16px rgba(10, 22, 40, 0.10);
            --bs-brand-shadow-lg: 0 12px 36px rgba(10, 22, 40, 0.14);
            --bs-brand-shadow-xl: 0 20px 50px rgba(10, 22, 40, 0.18);
            --bs-brand-radius-sm: 8px;
            --bs-brand-radius: 12px;
            --bs-brand-radius-lg: 16px;
            --bs-brand-radius-xl: 20px;
            --bs-brand-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background-color: #f8f9fb;
            color: var(--bs-brand-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--bs-brand-transition);
        }
        a:hover {
            color: var(--bs-brand-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(180, 190, 205, 0.28);
            box-shadow: 0 1px 8px rgba(10, 22, 40, 0.05);
            transition: all var(--bs-brand-transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: var(--bs-brand-shadow-md);
            border-bottom-color: rgba(160, 170, 190, 0.35);
        }
        .navbar {
            padding: 0.6rem 0;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--bs-brand-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--bs-brand-transition);
        }
        .navbar-brand-custom:hover {
            color: var(--bs-brand-accent);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bs-brand-accent) 0%, #e8921e 100%);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .navbar-nav-custom {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
            align-items: center;
        }
        .navbar-nav-custom li {
            position: relative;
        }
        .nav-link-custom {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: #3a4150;
            border-radius: 6px;
            transition: all var(--bs-brand-transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-link-custom:hover {
            color: var(--bs-brand-accent);
            background: rgba(240, 160, 48, 0.06);
        }
        .nav-link-custom.active {
            color: var(--bs-brand-accent);
            font-weight: 600;
            background: rgba(240, 160, 48, 0.10);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 0.55rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff !important;
            background: linear-gradient(135deg, var(--bs-brand-accent) 0%, #e08818 100%);
            border-radius: 24px;
            box-shadow: 0 3px 12px rgba(240, 160, 48, 0.30);
            transition: all var(--bs-brand-transition);
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--bs-brand-accent-hover) 0%, #c87614 100%);
            box-shadow: 0 6px 20px rgba(240, 160, 48, 0.40);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .navbar-toggler-custom {
            background: none;
            border: 1px solid #d5dae2;
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
            font-size: 1.3rem;
            color: #3a4150;
            transition: all var(--bs-brand-transition);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--bs-brand-accent);
            color: var(--bs-brand-accent);
            background: rgba(240, 160, 48, 0.04);
        }

        /* Offcanvas mobile nav */
        .offcanvas-mobile {
            background: #fff;
            border-left: none;
            box-shadow: -4px 0 30px rgba(10, 22, 40, 0.12);
        }
        .offcanvas-mobile .offcanvas-header {
            border-bottom: 1px solid var(--bs-brand-border);
            padding: 1rem 1.25rem;
        }
        .offcanvas-mobile .offcanvas-title {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--bs-brand-primary);
        }
        .offcanvas-mobile .offcanvas-body {
            padding: 1rem 1.25rem;
        }
        .offcanvas-mobile .nav-link-mobile {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: #3a4150;
            border-radius: 8px;
            transition: all var(--bs-brand-transition);
            margin-bottom: 0.2rem;
        }
        .offcanvas-mobile .nav-link-mobile:hover,
        .offcanvas-mobile .nav-link-mobile.active {
            color: var(--bs-brand-accent);
            background: rgba(240, 160, 48, 0.08);
        }
        .offcanvas-mobile .nav-link-mobile.active {
            font-weight: 600;
        }
        .offcanvas-mobile .mobile-cta-btn {
            display: block;
            margin-top: 0.75rem;
            padding: 0.7rem 1.4rem;
            text-align: center;
            font-weight: 600;
            color: #fff !important;
            background: linear-gradient(135deg, var(--bs-brand-accent) 0%, #e08818 100%);
            border-radius: 24px;
            font-size: 0.95rem;
            box-shadow: 0 3px 12px rgba(240, 160, 48, 0.28);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0A1628 0%, #1B3A5C 50%, #1a3550 100%);
            overflow: hidden;
            margin-top: 64px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.18;
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, rgba(10, 22, 40, 0.82) 100%);
            z-index: 2;
        }
        .page-banner-content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 3rem 0;
        }
        .page-banner-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }
        .page-banner-content .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            line-height: 1.7;
        }
        .page-banner-badge {
            display: inline-block;
            padding: 0.4rem 1.1rem;
            background: rgba(240, 160, 48, 0.20);
            border: 1px solid rgba(240, 160, 48, 0.40);
            border-radius: 20px;
            color: var(--bs-brand-accent);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }
        .breadcrumb-custom {
            display: flex;
            gap: 0.4rem;
            align-items: center;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0.8rem;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.75);
        }
        .breadcrumb-custom a:hover {
            color: var(--bs-brand-accent);
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: 3.5rem 0;
        }
        .section-block.bg-light-alt {
            background: var(--bs-brand-surface);
        }
        .section-block.bg-white-alt {
            background: #fff;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--bs-brand-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--bs-brand-text-soft);
            margin-bottom: 2rem;
            max-width: 600px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .section-title {
            position: relative;
            display: inline-block;
        }
        .section-header .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            border-radius: 2px;
            background: var(--bs-brand-accent);
        }

        /* ========== CARDS ========== */
        .card-lottery {
            border: 1px solid var(--bs-brand-border);
            border-radius: var(--bs-brand-radius-lg);
            background: #fff;
            overflow: hidden;
            transition: all var(--bs-brand-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-lottery:hover {
            box-shadow: var(--bs-brand-shadow-lg);
            transform: translateY(-3px);
            border-color: #cdd3dd;
        }
        .card-lottery .card-img-wrapper {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .card-lottery .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-lottery:hover .card-img-wrapper img {
            transform: scale(1.06);
        }
        .card-lottery .card-body-custom {
            padding: 1.25rem 1.3rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-lottery .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 14px;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
            width: fit-content;
        }
        .card-tag.hot {
            background: #fef2e0;
            color: #c8781a;
        }
        .card-tag.new {
            background: #e0f0ff;
            color: #1a5da0;
        }
        .card-tag.recommend {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .card-lottery .card-title-sm {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--bs-brand-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .card-lottery .card-desc {
            font-size: 0.9rem;
            color: var(--bs-brand-text-soft);
            flex: 1;
            line-height: 1.6;
        }
        .card-lottery .card-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--bs-brand-accent);
            margin-top: 0.8rem;
            transition: gap var(--bs-brand-transition);
        }
        .card-lottery .card-link-arrow:hover {
            gap: 0.55rem;
            color: var(--bs-brand-accent-hover);
        }

        /* ========== FEATURE CARDS (icon cards) ========== */
        .feature-card-icon {
            background: #fff;
            border: 1px solid var(--bs-brand-border);
            border-radius: var(--bs-brand-radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            transition: all var(--bs-brand-transition);
            height: 100%;
        }
        .feature-card-icon:hover {
            box-shadow: var(--bs-brand-shadow-lg);
            transform: translateY(-3px);
            border-color: #cdd3dd;
        }
        .feature-icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            background: rgba(240, 160, 48, 0.10);
            color: var(--bs-brand-accent);
            transition: all var(--bs-brand-transition);
        }
        .feature-card-icon:hover .feature-icon-circle {
            background: var(--bs-brand-accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(240, 160, 48, 0.32);
        }
        .feature-card-icon h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--bs-brand-primary);
            margin-bottom: 0.5rem;
        }
        .feature-card-icon p {
            font-size: 0.9rem;
            color: var(--bs-brand-text-soft);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== STATS ROW ========== */
        .stat-card-mini {
            text-align: center;
            padding: 1.5rem 1rem;
            background: #fff;
            border-radius: var(--bs-brand-radius);
            border: 1px solid var(--bs-brand-border);
            transition: all var(--bs-brand-transition);
        }
        .stat-card-mini:hover {
            box-shadow: var(--bs-brand-shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--bs-brand-accent);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--bs-brand-text-soft);
            margin-top: 0.3rem;
        }

        /* ========== TIPS / GUIDE CARDS ========== */
        .tip-card {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--bs-brand-radius);
            border: 1px solid var(--bs-brand-border);
            padding: 1.3rem 1.4rem;
            transition: all var(--bs-brand-transition);
            height: 100%;
        }
        .tip-card:hover {
            box-shadow: var(--bs-brand-shadow-md);
            border-color: #cdd3dd;
        }
        .tip-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bs-brand-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .tip-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--bs-brand-primary);
            margin-bottom: 0.3rem;
        }
        .tip-card p {
            font-size: 0.88rem;
            color: var(--bs-brand-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--bs-brand-border);
            border-radius: var(--bs-brand-radius) !important;
            margin-bottom: 0.65rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--bs-brand-shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--bs-brand-primary);
            background: #fff;
            padding: 1.1rem 1.4rem;
            border-radius: var(--bs-brand-radius) !important;
            box-shadow: none;
            transition: all var(--bs-brand-transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--bs-brand-accent);
            background: #fefaf4;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(240, 160, 48, 0.18);
            border-color: var(--bs-brand-accent);
        }
        .faq-accordion .accordion-body {
            padding: 1rem 1.4rem 1.3rem;
            font-size: 0.93rem;
            color: var(--bs-brand-text-soft);
            line-height: 1.75;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner-inner {
            background: linear-gradient(135deg, #0A1628 0%, #1B3A5C 100%);
            border-radius: var(--bs-brand-radius-xl);
            padding: 2.8rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner-inner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 160, 48, 0.12);
            z-index: 1;
        }
        .cta-banner-inner::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(240, 160, 48, 0.08);
            z-index: 1;
        }
        .cta-banner-inner>* {
            position: relative;
            z-index: 2;
        }
        .cta-banner-inner h3 {
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .cta-banner-inner p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 520px;
            margin: 0 auto 1.5rem;
            font-size: 0.98rem;
        }
        .btn-accent-lg {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--bs-brand-accent) 0%, #e08818 100%);
            border-radius: 28px;
            box-shadow: 0 6px 22px rgba(240, 160, 48, 0.35);
            transition: all var(--bs-brand-transition);
            letter-spacing: 0.03em;
            border: none;
        }
        .btn-accent-lg:hover {
            background: linear-gradient(135deg, var(--bs-brand-accent-hover) 0%, #c87614 100%);
            box-shadow: 0 10px 30px rgba(240, 160, 48, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A1628;
            color: #c5cdd8;
            padding: 3rem 0 1.5rem;
            font-size: 0.92rem;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.7rem;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-desc {
            color: #a0aab5;
            line-height: 1.7;
            font-size: 0.9rem;
            max-width: 380px;
        }
        .site-footer h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .site-footer .footer-links a {
            display: block;
            color: #b0b9c4;
            padding: 0.28rem 0;
            font-size: 0.9rem;
            transition: color var(--bs-brand-transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--bs-brand-accent);
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: #b0b9c4;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }
        .footer-contact-item i {
            color: var(--bs-brand-accent);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            margin-top: 2rem;
            padding-top: 1.3rem;
            text-align: center;
            font-size: 0.84rem;
            color: #8893a2;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-banner {
                min-height: 280px;
                margin-top: 60px;
            }
            .page-banner-content h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 240px;
                margin-top: 56px;
            }
            .page-banner-content h1 {
                font-size: 1.6rem;
            }
            .page-banner-content .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-block {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-lottery .card-img-wrapper {
                height: 150px;
            }
            .cta-banner-inner {
                padding: 2rem 1.4rem;
            }
            .cta-banner-inner h3 {
                font-size: 1.35rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 210px;
                margin-top: 52px;
            }
            .page-banner-content h1 {
                font-size: 1.35rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .card-lottery .card-img-wrapper {
                height: 140px;
            }
            .feature-card-icon {
                padding: 1.2rem 1rem;
            }
            .tip-card {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #0F2B5C;
            --brand-secondary: #C8963E;
            --brand-accent: #1A4A8B;
            --brand-gold: #D4A84B;
            --brand-deep-blue: #0A1F3F;
            --bg-page: #F7F8FA;
            --bg-white: #FFFFFF;
            --bg-light: #EDF0F5;
            --bg-card: #FFFFFF;
            --text-primary: #1B1F2D;
            --text-secondary: #4A5060;
            --text-muted: #7C8393;
            --text-light: #9BA3B2;
            --border-color: #E2E5EC;
            --border-light: #EEF0F4;
            --shadow-sm: 0 1px 3px rgba(10, 20, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(10, 20, 40, 0.08);
            --shadow-lg: 0 8px 32px rgba(10, 20, 40, 0.12);
            --shadow-card: 0 2px 12px rgba(10, 20, 40, 0.06);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--brand-secondary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 8px 0;
            background: rgba(15, 43, 92, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.10);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10, 31, 63, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
            padding: 4px 0;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .navbar-brand-custom:hover {
            color: var(--brand-gold);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--brand-gold) 0%, #B8862D 100%);
            border-radius: var(--radius-xs);
            font-size: 1.15rem;
            color: #0F2B5C;
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.30);
        }

        .navbar-nav-custom {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }

        .navbar-nav-custom li {
            margin: 0;
        }

        .nav-link-custom {
            display: inline-block;
            padding: 9px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-link-custom:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link-custom.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.13);
            font-weight: 600;
        }

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

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--brand-gold) 0%, #C8963E 100%);
            color: #0F2B5C !important;
            font-weight: 700 !important;
            padding: 10px 22px !important;
            border-radius: 22px !important;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth) !important;
            text-decoration: none;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #E0B555 0%, #D4A84B 100%);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.50);
            transform: translateY(-1px);
            color: #0A1F3F !important;
        }

        .navbar-toggler-custom {
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #FFFFFF;
            font-size: 1.3rem;
            padding: 8px 12px;
            border-radius: var(--radius-xs);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.40);
        }

        /* Offcanvas Mobile Menu */
        .offcanvas-custom {
            background: var(--brand-deep-blue);
            color: #FFFFFF;
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding: 16px 20px;
        }

        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #FFFFFF;
        }

        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }

        .offcanvas-custom .mobile-nav-list {
            list-style: none;
            padding: 16px 20px;
            margin: 0;
        }

        .offcanvas-custom .mobile-nav-list li {
            margin-bottom: 4px;
        }

        .offcanvas-custom .mobile-nav-list a {
            display: block;
            padding: 13px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 8px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .offcanvas-custom .mobile-nav-list a:hover,
        .offcanvas-custom .mobile-nav-list a.active {
            background: rgba(255, 255, 255, 0.10);
            color: #FFFFFF;
            font-weight: 600;
        }

        .offcanvas-custom .mobile-cta-btn {
            display: block;
            margin: 8px 20px 20px;
            padding: 14px 20px;
            text-align: center;
            background: linear-gradient(135deg, var(--brand-gold) 0%, #C8963E 100%);
            color: #0F2B5C !important;
            font-weight: 700;
            border-radius: 26px;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-smooth);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(170deg, #0F2B5C 0%, #0A1F3F 40%, #132E58 100%);
            overflow: hidden;
            text-align: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.14;
            pointer-events: none;
        }

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

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.18);
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 6px 18px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            border: 1px solid rgba(200, 150, 62, 0.30);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #FFFFFF;
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 120px 0 60px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

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

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

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            position: relative;
        }

        .section-title .title-accent {
            display: inline-block;
            width: 40px;
            height: 3px;
            background: var(--brand-gold);
            border-radius: 2px;
            margin-bottom: 8px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 36px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: rgba(15, 43, 92, 0.06);
            color: var(--brand-primary);
        }

        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .card-custom p {
            color: var(--text-secondary);
            font-size: 0.93rem;
            margin: 0;
            line-height: 1.65;
        }

        .card-custom.accent-card {
            border-left: 4px solid var(--brand-gold);
        }

        /* ========== PRIZE TABLE ========== */
        .prize-table-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .prize-table-wrap .table {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .prize-table-wrap .table thead th {
            background: var(--brand-primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            padding: 14px 16px;
            border: none;
            text-align: center;
        }

        .prize-table-wrap .table tbody td {
            padding: 14px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }

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

        .prize-table-wrap .table tbody tr:hover {
            background: rgba(15, 43, 92, 0.03);
        }

        .prize-highlight {
            display: inline-block;
            background: rgba(200, 150, 62, 0.12);
            color: #8B6914;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.9rem;
        }

        /* ========== STRATEGY CARDS ========== */
        .strategy-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .strategy-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .strategy-card .strategy-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .strategy-card .strategy-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-white);
            padding: 18px 22px;
            box-shadow: none;
            border-radius: var(--radius-sm) !important;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(15, 43, 92, 0.04);
            color: var(--brand-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 43, 92, 0.10);
            border-color: var(--brand-accent);
        }

        .faq-accordion .accordion-button::after {
            filter: brightness(0.4);
            transition: transform var(--transition-fast);
        }

        .faq-accordion .accordion-body {
            padding: 18px 22px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #0F2B5C 0%, #0A1F3F 60%, #132E58 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-size: 2rem;
            font-weight: 800;
            position: relative;
            z-index: 1;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            position: relative;
            z-index: 1;
            margin-bottom: 28px;
        }

        .btn-cta-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--brand-gold) 0%, #C8963E 100%);
            color: #0F2B5C;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: 28px;
            text-decoration: none;
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.40);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            letter-spacing: 0.03em;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(200, 150, 62, 0.55);
            color: #0A1F3F;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-deep-blue);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 24px;
            font-size: 0.9rem;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.60);
            line-height: 1.7;
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        .site-footer h5 {
            color: #FFFFFF;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .site-footer .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .site-footer .footer-links a:hover {
            color: var(--brand-gold);
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
        }

        .footer-contact-item i {
            color: var(--brand-gold);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 32px;
            padding-top: 18px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-banner h1 {
                font-size: 2.3rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .strategy-card {
                flex-direction: column;
                gap: 12px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 6px 0;
            }
            .navbar-brand-custom {
                font-size: 1.15rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .page-banner {
                padding: 110px 0 50px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-primary {
                font-size: 0.95rem;
                padding: 12px 28px;
            }
            .prize-table-wrap .table {
                font-size: 0.82rem;
            }
            .prize-table-wrap .table thead th,
            .prize-table-wrap .table tbody td {
                padding: 10px 8px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .strategy-num {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .card-custom h3 {
                font-size: 1rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
        }

        /* ========== UTILITY ========== */
        .text-gold {
            color: var(--brand-gold);
        }
        .fw-800 {
            font-weight: 800;
        }
        .mb-36 {
            margin-bottom: 36px;
        }
        @media (max-width:768px) {
            .mb-36 {
                margin-bottom: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-deep-blue: #0a1e3d;
            --brand-navy: #0d2b52;
            --brand-gold: #c8963e;
            --brand-gold-light: #d4a853;
            --brand-green: #1a7a3a;
            --brand-green-light: #e8f5e9;
            --brand-cream: #f9f6f0;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-muted: #7a7a8e;
            --text-light: #9a9aae;
            --bg-white: #ffffff;
            --bg-light: #f8f9fa;
            --bg-lighter: #f4f5f7;
            --bg-cream: #fefcf7;
            --border-color: #e8e8ec;
            --border-light: #f0f0f4;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, system-ui, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--text-primary);
            background: var(--bg-white);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(200, 200, 210, 0.35);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-base);
            padding: 0;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: var(--shadow-md);
            border-bottom-color: rgba(180, 180, 195, 0.5);
        }

        .site-header .navbar {
            padding: 0.5rem 0;
            min-height: 62px;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-deep-blue) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand-custom:hover {
            color: var(--brand-gold) !important;
        }

        .navbar-brand-custom .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            border-radius: 10px;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
            transition: transform var(--transition-fast);
        }

        .navbar-brand-custom:hover .brand-icon {
            transform: rotate(-8deg) scale(1.05);
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link-custom:hover {
            color: var(--brand-deep-blue);
            background: rgba(10, 30, 61, 0.05);
        }

        .nav-link-custom.active {
            color: var(--brand-gold);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.08);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--brand-gold);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #fff !important;
            font-weight: 600;
            border-radius: 25px;
            padding: 0.55rem 1.5rem;
            box-shadow: 0 3px 12px rgba(200, 150, 62, 0.3);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.4);
            background: linear-gradient(135deg, var(--brand-gold-light), #e0b860);
            color: #fff !important;
        }

        .navbar-toggler-custom {
            background: transparent;
            border: 2px solid var(--border-color);
            border-radius: 10px;
            padding: 0.4rem 0.65rem;
            font-size: 1.3rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
            background: rgba(200, 150, 62, 0.05);
        }

        /* Offcanvas mobile nav */
        .offcanvas-custom {
            background: var(--bg-white);
            border-left: none;
            box-shadow: var(--shadow-xl);
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem;
        }

        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--brand-deep-blue);
            font-size: 1.2rem;
        }

        .offcanvas-custom .offcanvas-body {
            padding: 1rem 1.5rem;
        }

        .offcanvas-custom .nav-link-mobile {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            margin-bottom: 0.2rem;
        }

        .offcanvas-custom .nav-link-mobile:hover,
        .offcanvas-custom .nav-link-mobile.active {
            background: rgba(200, 150, 62, 0.08);
            color: var(--brand-gold);
            font-weight: 600;
        }

        .offcanvas-custom .nav-link-mobile.nav-cta-mobile {
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            border-radius: 25px;
            margin-top: 1rem;
            padding: 0.7rem 1.5rem;
        }

        /* ========== MAIN CONTENT SPACING ========== */
        .main-content {
            flex: 1;
            padding-top: 72px;
        }

        /* ========== SECTION SPACING ========== */
        .section-padding {
            padding: 4rem 0;
        }

        .section-padding-sm {
            padding: 3rem 0;
        }

        .section-padding-lg {
            padding: 5.5rem 0;
        }

        /* ========== BANNER / HERO ========== */
        .category-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 30, 61, 0.92), rgba(13, 43, 82, 0.85)), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 4px solid var(--brand-gold);
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(26, 122, 58, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-banner-content {
            position: relative;
            z-index: 2;
            padding: 2rem 0;
        }

        .category-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

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

        .category-banner .breadcrumb-custom a:hover {
            color: var(--brand-gold-light);
        }

        .category-banner .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.5);
        }

        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
            font-family: var(--font-heading);
        }

        .category-banner h1 .highlight {
            color: var(--brand-gold-light);
            position: relative;
        }

        .category-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
        }

        .category-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(200, 150, 62, 0.08);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-deep-blue);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--brand-gold-light);
        }

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

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

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

        .card-custom .card-img-wrap .card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--brand-gold);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 15px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .card-custom .card-body-custom {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-custom .card-title-custom {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card-custom .card-text-custom {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }

        .card-custom .card-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--brand-gold);
            transition: all var(--transition-fast);
            margin-top: auto;
        }

        .card-custom .card-link-custom:hover {
            color: var(--brand-deep-blue);
            gap: 0.6rem;
        }

        .card-custom .card-link-custom i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .card-custom:hover .card-link-custom i {
            transform: translateX(3px);
        }

        /* ========== STAT CARDS ========== */
        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--brand-gold-light);
        }

        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(200, 150, 62, 0.1);
            color: var(--brand-gold);
            font-size: 1.4rem;
            margin-bottom: 0.75rem;
            transition: all var(--transition-base);
        }

        .stat-card:hover .stat-icon {
            background: var(--brand-gold);
            color: #fff;
            transform: scale(1.08);
        }

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

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
            font-weight: 500;
        }

        /* ========== PROCESS STEPS ========== */
        .process-step {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-gold-light);
        }

        .process-step .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 10px rgba(200, 150, 62, 0.3);
        }

        .process-step .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .process-step .step-content p {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

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

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }

        .faq-item .faq-question:hover {
            color: var(--brand-gold);
        }

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

        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--brand-gold);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }

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

        /* ========== CTA SECTION ========== */
        .cta-section-custom {
            background: linear-gradient(135deg, var(--brand-deep-blue), var(--brand-navy));
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            position: relative;
            overflow: hidden;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-section-custom::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-custom::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(26, 122, 58, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section-custom h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-section-custom p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .btn-cta-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.75rem 2.25rem;
            border-radius: 30px;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transition: all var(--transition-base);
            border: none;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.5);
            color: #fff;
        }

        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.65rem 1.8rem;
            border-radius: 30px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            background: transparent;
            margin-left: 0.75rem;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--brand-deep-blue);
            color: rgba(255, 255, 255, 0.8);
            padding: 3.5rem 0 1.5rem;
            margin-top: auto;
            font-size: 0.9rem;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 1rem;
        }

        .site-footer h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .site-footer .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            padding: 0.35rem 0;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: var(--brand-gold-light);
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact-item i {
            color: var(--brand-gold-light);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2.5rem;
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .category-banner h1 {
                font-size: 2.1rem;
            }
            .category-banner {
                min-height: 280px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .cta-section-custom h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .category-banner {
                min-height: 260px;
            }
            .category-banner h1 {
                font-size: 1.7rem;
            }
            .category-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .card-custom .card-title-custom {
                font-size: 1.05rem;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .process-step {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 0.75rem;
            }
            .cta-section-custom {
                padding: 2.25rem 1.25rem;
                border-radius: var(--radius-md);
            }
            .cta-section-custom h2 {
                font-size: 1.3rem;
            }
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 0.75rem;
                display: block;
                width: fit-content;
                margin: 0.75rem auto 0;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-padding-lg {
                padding: 3.5rem 0;
            }
        }

        @media (max-width: 520px) {
            .category-banner {
                min-height: 230px;
            }
            .category-banner h1 {
                font-size: 1.4rem;
            }
            .category-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .category-banner .banner-badge {
                font-size: 0.75rem;
                padding: 0.25rem 0.7rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .stat-card {
                padding: 1.25rem 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                border-radius: 10px;
            }
            .card-custom .card-body-custom {
                padding: 1rem;
            }
            .faq-item .faq-question {
                padding: 0.9rem 1rem;
                font-size: 0.9rem;
            }
            .faq-item .faq-answer {
                padding: 0 1rem 1rem;
                font-size: 0.825rem;
            }
            .navbar-brand-custom {
                font-size: 1.15rem;
            }
            .navbar-brand-custom .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
                border-radius: 8px;
            }
            .site-footer {
                padding: 2.5rem 0 1rem;
            }
            .site-footer .footer-brand {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #C41230;
            --primary-dark: #9B0E24;
            --primary-light: #E8455C;
            --accent: #D4A843;
            --accent-light: #F0D78C;
            --bg: #F6F6F8;
            --surface: #FFFFFF;
            --surface-alt: #FAFAFC;
            --text: #1A1A1C;
            --text-strong: #0D0D0F;
            --text-muted: #6B6B70;
            --text-light: #95959B;
            --border: #E2E2E6;
            --border-light: #EEEEF2;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --nav-height: 68px;
        }

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

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

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

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

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-strong);
            margin-top: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(200, 200, 210, 0.35);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            border-bottom: 1px solid var(--border);
        }

        .site-header .navbar {
            padding: 0;
            height: var(--nav-height);
        }

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

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-strong) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand-custom:hover {
            color: var(--primary) !important;
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(196, 18, 48, 0.3);
        }

        .navbar-toggler-custom {
            background: transparent;
            border: none;
            font-size: 1.4rem;
            color: var(--text-strong);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: rgba(0, 0, 0, 0.04);
            color: var(--primary);
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li {
            list-style: none;
        }

        .nav-link-custom {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text) !important;
            border-radius: 25px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link-custom:hover {
            color: var(--primary) !important;
            background: rgba(196, 18, 48, 0.06);
        }

        .nav-link-custom.active {
            color: #fff !important;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 3px 10px rgba(196, 18, 48, 0.3);
        }

        .nav-link-custom.active:hover {
            background: var(--primary-dark);
            color: #fff !important;
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #1A1A1C !important;
            font-weight: 600 !important;
            padding: 10px 22px !important;
            border-radius: 25px !important;
            box-shadow: 0 3px 12px rgba(212, 168, 67, 0.35);
            transition: all var(--transition-base) !important;
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: #C49630 !important;
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.5) !important;
            transform: translateY(-1px);
            color: #1A1A1C !important;
        }

        /* Offcanvas */
        .offcanvas-custom {
            background: #fff;
            border-left: 1px solid var(--border);
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px;
        }

        .offcanvas-custom .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-strong);
        }

        .offcanvas-custom .btn-close {
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .offcanvas-custom .btn-close:hover {
            opacity: 1;
        }

        .offcanvas-custom .offcanvas-body {
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .offcanvas-nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text) !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .offcanvas-nav-link:hover {
            background: rgba(196, 18, 48, 0.05);
            color: var(--primary) !important;
        }

        .offcanvas-nav-link.active {
            background: var(--primary);
            color: #fff !important;
            font-weight: 600;
        }

        .offcanvas-cta-btn {
            display: block;
            margin-top: 12px;
            padding: 13px 20px;
            text-align: center;
            background: var(--accent);
            color: #1A1A1C !important;
            font-weight: 600;
            border-radius: 25px;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 3px 12px rgba(212, 168, 67, 0.3);
        }

        .offcanvas-cta-btn:hover {
            background: #C49630;
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.45);
        }

        /* ============ INNER BANNER ============ */
        .inner-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, #1A1A2E 0%, #16213E 40%, #0F3460 100%);
            overflow: hidden;
            margin-top: var(--nav-height);
            padding: 60px 20px;
        }

        .inner-banner .banner-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.28;
            pointer-events: none;
        }

        .inner-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(15, 52, 96, 0.8) 100%);
            pointer-events: none;
        }

        .inner-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
        }

        .inner-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 6px 18px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .inner-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .inner-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 400;
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .inner-banner {
                min-height: 300px;
                padding: 40px 16px;
            }
            .inner-banner h1 {
                font-size: 1.9rem;
            }
            .inner-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .inner-banner {
                min-height: 260px;
                padding: 32px 14px;
            }
            .inner-banner h1 {
                font-size: 1.55rem;
            }
        }

        /* ============ SECTION COMMONS ============ */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(196, 18, 48, 0.07);
            padding: 5px 16px;
            border-radius: 25px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ============ CARDS ============ */
        .card-custom {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }

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

        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-custom .card-icon-red {
            background: rgba(196, 18, 48, 0.1);
            color: var(--primary);
        }

        .card-custom .card-icon-gold {
            background: rgba(212, 168, 67, 0.15);
            color: #B8952E;
        }

        .card-custom .card-icon-blue {
            background: rgba(15, 52, 96, 0.1);
            color: #0F3460;
        }

        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-strong);
        }

        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ============ BUTTONS ============ */
        .btn-brand {
            display: inline-block;
            padding: 13px 30px;
            font-weight: 600;
            font-size: 0.98rem;
            border-radius: 28px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            text-align: center;
            font-family: var(--font-body);
        }

        .btn-brand-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(196, 18, 48, 0.35);
        }

        .btn-brand-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(196, 18, 48, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-brand-accent {
            background: var(--accent);
            color: #1A1A1C;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }

        .btn-brand-accent:hover {
            background: #C49630;
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.5);
            transform: translateY(-2px);
            color: #1A1A1C;
        }

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

        .btn-brand-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 18px rgba(196, 18, 48, 0.3);
            transform: translateY(-2px);
        }

        /* ============ DATA STAT CARDS ============ */
        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

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

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

        /* ============ PRIZE TABLE ============ */
        .prize-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .prize-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--surface);
            min-width: 700px;
        }

        .prize-table thead th {
            background: linear-gradient(135deg, #C41230, #9B0E24);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
            border: none;
        }

        .prize-table tbody td {
            padding: 13px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.93rem;
            color: var(--text);
            vertical-align: middle;
        }

        .prize-table tbody tr:hover {
            background: rgba(196, 18, 48, 0.03);
        }

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

        .prize-highlight {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }

        /* ============ FAQ ACCORDION ============ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-strong);
            padding: 18px 22px;
            background: var(--surface);
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
            font-family: var(--font-body);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(196, 18, 48, 0.04);
            color: var(--primary);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(196, 18, 48, 0.12);
            border-color: transparent;
        }

        .accordion-custom .accordion-button::after {
            transition: transform var(--transition-base);
        }

        .accordion-custom .accordion-body {
            padding: 18px 22px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.75;
            background: var(--surface-alt);
        }

        /* ============ NEWS LIST ============ */
        .news-list-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .news-list-item:last-child {
            border-bottom: none;
        }

        .news-list-item:hover {
            padding-left: 6px;
        }

        .news-list-item .news-date {
            flex-shrink: 0;
            width: 72px;
            text-align: center;
            background: rgba(196, 18, 48, 0.06);
            border-radius: var(--radius-sm);
            padding: 8px 6px;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.85rem;
            line-height: 1.3;
        }

        .news-list-item .news-info h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-strong);
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }

        .news-list-item:hover .news-info h5 {
            color: var(--primary);
        }

        .news-list-item .news-info .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        .news-list-item .news-arrow {
            flex-shrink: 0;
            color: var(--text-light);
            font-size: 0.85rem;
            margin-top: 4px;
            transition: all var(--transition-fast);
        }

        .news-list-item:hover .news-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ============ CTA SECTION ============ */
        .cta-section-alt {
            background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section-alt::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(212, 168, 67, 0.15), transparent 60%);
            pointer-events: none;
        }

        .cta-section-alt h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section-alt p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

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

        /* ============ FOOTER ============ */
        .site-footer {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 0;
            margin-top: 40px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 380px;
        }

        .site-footer h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .site-footer .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        .footer-contact-item i {
            width: 18px;
            text-align: center;
            color: var(--accent-light);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            margin-top: 36px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ IMAGE CARD ============ */
        .img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
        }

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

        .img-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .img-card .img-card-body {
            padding: 20px;
            background: var(--surface);
        }

        .img-card .img-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 6px;
        }

        .img-card .img-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .inner-banner h1 {
                font-size: 2.2rem;
            }
            .section-header h2 {
                font-size: 1.75rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }
            :root {
                --nav-height: 60px;
            }
            .navbar-brand-custom {
                font-size: 1.15rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .inner-banner h1 {
                font-size: 1.7rem;
            }
            .cta-section-alt {
                padding: 36px 20px;
            }
            .cta-section-alt h3 {
                font-size: 1.4rem;
            }
            .news-list-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .news-list-item .news-date {
                width: auto;
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-sm {
                padding: 30px 0;
            }
        }

        @media (max-width: 520px) {
            .inner-banner h1 {
                font-size: 1.4rem;
            }
            .inner-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .btn-brand {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .cta-section-alt {
                padding: 28px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section-alt h3 {
                font-size: 1.2rem;
            }
            .prize-table thead th,
            .prize-table tbody td {
                padding: 10px 8px;
                font-size: 0.8rem;
            }
        }

        /* ============ UTILITY ============ */
        .text-accent {
            color: var(--accent) !important;
        }
        .text-primary-brand {
            color: var(--primary) !important;
        }
        .bg-surface {
            background: var(--surface);
        }
        .bg-alt {
            background: var(--surface-alt);
        }
        .fw-800 {
            font-weight: 800;
        }
        .gap-14 {
            gap: 14px;
        }

/* roulang page: category5 */
:root {
            --brand-blue: #0a2540;
            --brand-gold: #c8963e;
            --brand-deep-gold: #a67c2e;
            --brand-light-gold: #e8d5a3;
            --brand-bg: #f8f7f4;
            --brand-surface: #ffffff;
            --brand-text: #1a1a2e;
            --brand-text-soft: #5a5a6e;
            --brand-text-muted: #8a8a9a;
            --brand-border: #e5e3dc;
            --brand-border-light: #f0ede6;
            --brand-accent: #1e5f8a;
            --brand-radius: 14px;
            --brand-radius-sm: 8px;
            --brand-radius-lg: 20px;
            --brand-shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
            --brand-shadow: 0 4px 20px rgba(10, 37, 64, 0.09);
            --brand-shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.12);
            --brand-shadow-xl: 0 20px 60px rgba(10, 37, 64, 0.16);
            --brand-transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --brand-font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --brand-section-gap: 4.5rem;
            --brand-section-gap-sm: 2.5rem;
            --brand-container-max: 1140px;
        }

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

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

        body {
            font-family: var(--brand-font);
            line-height: 1.7;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
        }

        .container {
            max-width: var(--brand-container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 1200px) {
            .container {
                max-width: var(--brand-container-max);
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(200, 190, 165, 0.35);
            box-shadow: 0 1px 12px rgba(10, 37, 64, 0.05);
            transition: background var(--brand-transition), box-shadow var(--brand-transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: var(--brand-shadow);
            border-bottom-color: rgba(180, 170, 150, 0.5);
        }

        .navbar {
            padding: 0.6rem 0;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-blue);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--brand-transition);
        }

        .navbar-brand-custom:hover {
            color: var(--brand-gold);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-deep-gold));
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 3px 10px rgba(200, 150, 62, 0.3);
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.15rem;
        }

        .navbar-nav-custom li {
            list-style: none;
        }

        .nav-link-custom {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--brand-text-soft);
            border-radius: 6px;
            transition: all var(--brand-transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-link-custom:hover {
            color: var(--brand-blue);
            background: rgba(10, 37, 64, 0.04);
        }

        .nav-link-custom.active {
            color: var(--brand-gold);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.08);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-deep-gold));
            color: #fff !important;
            padding: 0.5rem 1.3rem !important;
            border-radius: 25px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            letter-spacing: 0.02em;
            box-shadow: 0 3px 14px rgba(200, 150, 62, 0.35);
            transition: all var(--brand-transition) !important;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--brand-deep-gold), #8c6822);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .navbar-toggler-custom {
            background: transparent;
            border: 1.5px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 0.45rem 0.7rem;
            font-size: 1.25rem;
            color: var(--brand-text);
            cursor: pointer;
            transition: all var(--brand-transition);
            line-height: 1;
        }

        .navbar-toggler-custom:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
            background: rgba(200, 150, 62, 0.05);
        }

        /* Offcanvas */
        .offcanvas-custom {
            background: #fff;
            border-left: none;
            box-shadow: var(--brand-shadow-xl);
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--brand-border-light);
            padding: 1rem 1.25rem;
        }

        .offcanvas-custom .offcanvas-title {
            font-weight: 700;
            color: var(--brand-blue);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .offcanvas-custom .btn-close {
            filter: none;
            opacity: 0.7;
            transition: opacity var(--brand-transition);
        }

        .offcanvas-custom .btn-close:hover {
            opacity: 1;
        }

        .offcanvas-custom .offcanvas-body {
            padding: 1rem 1.25rem;
        }

        .offcanvas-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .offcanvas-nav-list a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--brand-radius-sm);
            font-weight: 500;
            font-size: 1rem;
            color: var(--brand-text-soft);
            transition: all var(--brand-transition);
        }

        .offcanvas-nav-list a:hover,
        .offcanvas-nav-list a.active {
            background: rgba(200, 150, 62, 0.08);
            color: var(--brand-gold);
            font-weight: 600;
        }

        .offcanvas-cta {
            display: block;
            text-align: center;
            margin-top: 1rem;
            padding: 0.75rem 1.5rem;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-deep-gold));
            color: #fff !important;
            border-radius: 25px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 3px 14px rgba(200, 150, 62, 0.35);
            transition: all var(--brand-transition);
        }

        .offcanvas-cta:hover {
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
        }

        /* ============ HERO ============ */
        .page-hero {
            position: relative;
            margin-top: 68px;
            padding: 4rem 0 3.5rem;
            background: linear-gradient(170deg, #0d2b45 0%, #0a2540 30%, #132e4a 65%, #0f2840 100%);
            overflow: hidden;
            color: #fff;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            color: var(--brand-light-gold);
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(200, 150, 62, 0.3);
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 0.8rem;
            line-height: 1.25;
            color: #fff;
        }

        .page-hero h1 .gold-accent {
            color: var(--brand-gold);
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 1.8rem;
        }

        .page-hero .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .page-hero .hero-stat-item {
            text-align: center;
            min-width: 100px;
        }

        .page-hero .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1;
        }

        .page-hero .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }

        .hero-image-wrap {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-image-wrap img {
            max-width: 320px;
            border-radius: var(--brand-radius-lg);
            box-shadow: var(--brand-shadow-xl);
            margin: 0 auto;
            border: 3px solid rgba(255, 255, 255, 0.15);
        }

        /* ============ SECTION COMMON ============ */
        .section-padding {
            padding: var(--brand-section-gap) 0;
        }

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

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--brand-blue);
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--brand-text-muted);
            margin-bottom: 2.5rem;
            max-width: 650px;
        }

        .section-header-center {
            text-align: center;
        }

        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ CARDS ============ */
        .card-custom {
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow-sm);
            transition: all var(--brand-transition);
            overflow: hidden;
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--brand-shadow);
            transform: translateY(-3px);
            border-color: #d5cfc0;
        }

        .card-custom .card-body-custom {
            padding: 1.6rem 1.5rem;
        }

        .card-custom .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }

        .card-custom .card-icon-circle.icon-gold {
            background: rgba(200, 150, 62, 0.12);
            color: var(--brand-gold);
        }

        .card-custom .card-icon-circle.icon-blue {
            background: rgba(10, 37, 64, 0.08);
            color: var(--brand-blue);
        }

        .card-custom .card-icon-circle.icon-accent {
            background: rgba(30, 95, 138, 0.1);
            color: var(--brand-accent);
        }

        .card-custom .card-title-sm {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand-blue);
            margin-bottom: 0.5rem;
        }

        .card-custom .card-text-sm {
            font-size: 0.93rem;
            color: var(--brand-text-soft);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ============ PRIZE TABLE ============ */
        .prize-table-wrap {
            overflow-x: auto;
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow);
            background: var(--brand-surface);
            border: 1px solid var(--brand-border);
        }

        .prize-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.93rem;
        }

        .prize-table thead th {
            background: var(--brand-blue);
            color: #fff;
            padding: 0.9rem 1rem;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            text-align: center;
            border: none;
        }

        .prize-table tbody td {
            padding: 0.8rem 1rem;
            text-align: center;
            border-bottom: 1px solid var(--brand-border-light);
            color: var(--brand-text-soft);
            vertical-align: middle;
        }

        .prize-table tbody tr:hover td {
            background: rgba(200, 150, 62, 0.04);
        }

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

        .prize-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-deep-gold));
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 15px;
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 0.02em;
        }

        .prize-badge.secondary {
            background: #6b7d8e;
        }

        /* ============ RESULT DISPLAY ============ */
        .result-ball-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
            align-items: center;
        }

        .result-ball {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e74c3c, #c0392b);
            color: #fff;
            font-weight: 700;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(231, 76, 60, 0.35);
            letter-spacing: 0.02em;
        }

        .result-ball.special {
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-deep-gold));
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.4);
        }

        /* ============ DRAW INFO CARD ============ */
        .draw-info-card {
            background: var(--brand-surface);
            border: 2px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 2rem;
            box-shadow: var(--brand-shadow);
            text-align: center;
        }

        .draw-info-card .draw-period {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
        }

        .draw-info-card .draw-date {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--brand-blue);
            margin-bottom: 1.5rem;
        }

        /* ============ FAQ ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            background: var(--brand-surface);
            box-shadow: var(--brand-shadow-sm);
            transition: all var(--brand-transition);
        }

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

        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--brand-blue);
            font-size: 1rem;
            padding: 1.1rem 1.3rem;
            background: transparent;
            box-shadow: none !important;
            border: none;
            transition: all var(--brand-transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--brand-gold);
            background: rgba(200, 150, 62, 0.04);
            border-bottom: 1px solid var(--brand-border-light);
        }

        .faq-accordion .accordion-button::after {
            filter: none;
            opacity: 0.5;
            transition: all var(--brand-transition);
        }

        .faq-accordion .accordion-body {
            padding: 1.2rem 1.3rem 1.5rem;
            color: var(--brand-text-soft);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ============ CTA SECTION ============ */
        .cta-section-alt {
            background: linear-gradient(160deg, #0a2540 0%, #132e4a 50%, #0d2b45 100%);
            color: #fff;
            padding: 3.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.12) 0%, transparent 65%);
            transform: translate(-50%, 0);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-alt h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section-alt p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-gold {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-deep-gold));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 30px;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: all var(--brand-transition);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.4);
            position: relative;
            z-index: 1;
        }

        .btn-gold:hover {
            box-shadow: 0 10px 32px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light-custom {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 30px;
            letter-spacing: 0.02em;
            transition: all var(--brand-transition);
            position: relative;
            z-index: 1;
            background: transparent;
            cursor: pointer;
        }

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

        /* ============ STORY CARD ============ */
        .story-card {
            background: var(--brand-surface);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            transition: all var(--brand-transition);
            height: 100%;
        }

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

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

        .story-card .story-body {
            padding: 1.3rem 1.4rem;
        }

        .story-card .story-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-gold);
            background: rgba(200, 150, 62, 0.1);
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            margin-bottom: 0.6rem;
        }

        .story-card .story-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-blue);
            margin-bottom: 0.5rem;
        }

        .story-card .story-excerpt {
            font-size: 0.88rem;
            color: var(--brand-text-soft);
            line-height: 1.6;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0a1a2e;
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.88rem;
            max-width: 380px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.3rem 0;
            font-size: 0.88rem;
            transition: all var(--brand-transition);
        }

        .footer-links a:hover {
            color: var(--brand-gold);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            margin-bottom: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
        }

        .footer-contact-item i {
            color: var(--brand-gold);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2rem;
            padding-top: 1.3rem;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero {
                padding: 3rem 0 2.5rem;
                min-height: 300px;
            }
            .hero-image-wrap img {
                max-width: 240px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .page-hero .hero-stats-row {
                gap: 1.2rem;
            }
            .page-hero .hero-stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                margin-top: 60px;
                min-height: auto;
                padding: 2.5rem 0 2rem;
                text-align: center;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
                margin-left: auto;
                margin-right: auto;
            }
            .page-hero .hero-stats-row {
                justify-content: center;
                gap: 1.5rem;
            }
            .hero-image-wrap {
                margin-top: 1.5rem;
            }
            .hero-image-wrap img {
                max-width: 180px;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.8rem;
            }
            .result-ball {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
            .result-ball-row {
                gap: 0.4rem;
            }
            .draw-info-card {
                padding: 1.3rem;
            }
            .cta-section-alt h2 {
                font-size: 1.5rem;
            }
            .card-custom .card-body-custom {
                padding: 1.2rem;
            }
            .prize-table {
                font-size: 0.8rem;
                min-width: 580px;
            }
            .prize-table thead th,
            .prize-table tbody td {
                padding: 0.55rem 0.6rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-stats-row {
                gap: 0.8rem;
            }
            .page-hero .hero-stat-num {
                font-size: 1.3rem;
            }
            .page-hero .hero-stat-label {
                font-size: 0.72rem;
            }
            .result-ball {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .result-ball-row {
                gap: 0.3rem;
            }
            .section-padding {
                padding: 2rem 0;
            }
            .btn-gold {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 7px;
            }
            .prize-table {
                min-width: 480px;
                font-size: 0.72rem;
            }
            .footer-desc {
                font-size: 0.8rem;
            }
        }