/* roulang page: index */
:root {
            --color-primary: #1a3655;
            --color-primary-dark: #0f2440;
            --color-primary-light: #234a70;
            --color-accent: #c9a84c;
            --color-accent-light: #d4b96a;
            --color-accent-dark: #a88930;
            --color-bg: #ffffff;
            --color-bg-alt: #f5f6f8;
            --color-bg-dark: #1a1f2b;
            --color-text: #1d1d1f;
            --color-text-secondary: #5f6368;
            --color-text-light: #8b9098;
            --color-text-on-dark: #e8e9eb;
            --color-border: #e0e2e5;
            --color-border-light: #eef0f2;
            --color-success: #2d8a4e;
            --color-warning: #e8a020;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
            --max-width: 1240px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            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;
            border: none;
            outline: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background: rgba(26, 54, 85, 0.04);
        }
        .main-nav a.active {
            color: var(--color-accent);
            font-weight: 700;
            background: rgba(201, 168, 76, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff !important;
            background: var(--color-accent);
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 4px;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .hamburger-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary);
            background: var(--color-bg-alt);
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: var(--color-border);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
            pointer-events: none;
        }
        .mobile-nav-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel {
            position: fixed;
            top: var(--nav-height);
            right: -320px;
            width: 300px;
            bottom: 0;
            background: #fff;
            z-index: 1000;
            padding: 20px;
            overflow-y: auto;
            transition: right var(--transition-slow);
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-panel.active {
            right: 0;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: rgba(201, 168, 76, 0.1);
            color: var(--color-accent);
            font-weight: 700;
        }
        .mobile-nav-panel .nav-cta-btn {
            text-align: center;
            margin-top: 8px;
            margin-left: 0;
            justify-content: center;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
            color: #fff;
            padding: 80px 0 100px;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 168, 76, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(255, 255, 255, 0.04) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(201, 168, 76, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(201, 168, 76, 0);
            }
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 18px;
            line-height: 1.2;
        }
        .hero-title span {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline-primary:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
        }
        .btn-accent-sm {
            background: var(--color-accent);
            color: #fff;
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .btn-accent-sm:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .hero-stats-row {
            display: flex;
            gap: 36px;
            margin-top: 44px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== SECTIONS GENERAL ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .stat-card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-full);
            background: rgba(201, 168, 76, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--color-accent);
        }
        .stat-card-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-card-num .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-secondary);
        }
        .stat-card-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .cards-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }
        .advantage-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: #fff;
        }
        .advantage-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .advantage-card p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 240px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            color: #fff;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .category-card-img {
            position: absolute;
            inset: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 36, 64, 0.85) 0%, rgba(15, 36, 64, 0.3) 50%, rgba(15, 36, 64, 0.05) 100%);
            z-index: 1;
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 22px 20px;
            width: 100%;
        }
        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .category-card-body .cat-count {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .category-card-arrow {
            position: absolute;
            right: 20px;
            bottom: 22px;
            z-index: 2;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            transition: all var(--transition-fast);
        }
        .category-card:hover .category-card-arrow {
            background: var(--color-accent);
            transform: translateX(3px);
        }

        /* ========== BRAND STORY ========== */
        .brand-story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-story-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            height: 420px;
            box-shadow: var(--shadow-lg);
        }
        .brand-story-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-story-image-badge {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.85rem;
            font-weight: 600;
        }
        .brand-story-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .brand-story-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .brand-story-highlights {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .brand-highlight-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.93rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(201, 168, 76, 0.08);
            padding: 8px 16px;
            border-radius: 50px;
        }
        .brand-highlight-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* ========== MATCH CARDS ========== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .match-card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .match-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .match-card:hover .match-card-img-wrap img {
            transform: scale(1.05);
        }
        .match-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            z-index: 2;
        }
        .match-card-body {
            padding: 18px 16px;
        }
        .match-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .match-card-meta {
            font-size: 0.82rem;
            color: var(--color-text-light);
            display: flex;
            gap: 12px;
            align-items: center;
            margin-bottom: 8px;
        }
        .match-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-author-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: background var(--transition-fast);
            background: none;
            border: none;
        }
        .faq-question:hover {
            background: rgba(201, 168, 76, 0.04);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(3px);
        }
        .news-date-badge {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.1;
        }
        .news-date-badge .day {
            font-size: 1.3rem;
        }
        .news-date-badge .month {
            font-size: 0.72rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .news-item-body {
            flex: 1;
            min-width: 0;
        }
        .news-item-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 5px;
            line-height: 1.4;
        }
        .news-item-body .news-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }
        .news-read-more:hover {
            color: var(--color-accent-dark);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
            color: #fff;
            text-align: center;
            padding: 70px 0;
            overflow: hidden;
        }
        .cta-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 15px 36px;
            border-radius: 50px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 50px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            display: block;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }
        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-3,
            .match-grid,
            .testimonial-grid,
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .brand-story-image-wrap {
                height: 300px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            :root {
                --section-gap: 56px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card-num {
                font-size: 1.8rem;
            }
            .cards-grid-3,
            .cards-grid-4,
            .match-grid,
            .testimonial-grid,
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-section {
                padding: 48px 0 60px;
                min-height: auto;
            }
            .hero-stats-row {
                gap: 14px;
                margin-top: 28px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .brand-story-image-wrap {
                height: 240px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-date-badge {
                width: 44px;
                height: 44px;
            }
            .news-date-badge .day {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.5rem;
            }
            :root {
                --section-gap: 44px;
                --section-gap-sm: 32px;
            }
            .category-card {
                height: 190px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 10px;
                flex-wrap: wrap;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .hero-stat-label {
                font-size: 0.75rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-card-num {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .brand-story-text h2 {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .news-item-body h3 {
                font-size: 0.95rem;
            }
            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f2847;
            --primary-light: #163558;
            --primary-dark: #0a1c33;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-dark: #b5832e;
            --bg: #ffffff;
            --bg-alt: #f5f6f9;
            --bg-card: #ffffff;
            --bg-dark: #0d1f36;
            --text: #1a1a2e;
            --text-secondary: #4a4d5c;
            --text-muted: #7b7f8d;
            --text-light: #9ca0af;
            --text-on-dark: #e8eaef;
            --text-on-primary: #ffffff;
            --border: #e2e5ec;
            --border-light: #eef0f5;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.15);
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

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

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

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

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

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

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

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

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

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.2px;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: #f0f3f8;
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2f8;
        }

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

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            margin-left: 6px;
            transition: all var(--transition) !important;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.45) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .mobile-toggle:hover {
            background: #f0f3f8;
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            position: relative;
            transition: all var(--transition);
        }

        .mobile-toggle span::before,
        .mobile-toggle span::after {
            content: '';
            position: absolute;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            transition: all var(--transition);
        }

        .mobile-toggle span::before {
            top: -7px;
        }
        .mobile-toggle span::after {
            top: 7px;
        }

        .mobile-toggle.open span {
            background: transparent;
        }
        .mobile-toggle.open span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .mobile-toggle.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 7px 10px;
                font-size: 13.5px;
            }
            .nav-cta-btn {
                padding: 7px 14px !important;
                font-size: 13px !important;
            }
        }

        @media (max-width: 860px) {
            .mobile-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-slow);
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
                border-bottom: 1px solid var(--border-light);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                border-left: 3px solid var(--accent);
                background: #fafbfd;
            }
            .nav-cta-btn {
                margin: 8px 0;
                text-align: center;
                justify-content: center;
                border-radius: var(--radius) !important;
                padding: 13px 20px !important;
                font-size: 15px !important;
                margin-left: 0 !important;
            }
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 80px 0 72px;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 28, 55, 0.82) 0%, rgba(10, 22, 45, 0.9) 100%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 11px;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #fff;
        }

        .page-hero .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: -1px;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.3;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 44px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-num {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 25px;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 14px;
            }
        }

        /* Section Common */
        .section {
            padding: 64px 0;
        }

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

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

        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-header .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto;
        }

        .section-label {
            display: inline-block;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
            background: rgba(200, 150, 62, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header {
                margin-bottom: 30px;
            }
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
            gap: 24px;
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #d8dce5;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
            background: #eef3fa;
            color: var(--primary);
        }

        .card-icon.accent {
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent-dark);
        }

        .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.2px;
        }

        .card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .card .card-tag {
            display: inline-block;
            font-size: 11.5px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: #f0f4fa;
            color: var(--primary);
            letter-spacing: 0.3px;
            align-self: flex-start;
        }

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

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

        .analysis-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }

        .analysis-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .analysis-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        .analysis-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .analysis-card-meta {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .analysis-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }

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

        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
        }

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

        .stat-card .stat-label {
            font-size: 13.5px;
            color: var(--text-muted);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .stat-num {
                font-size: 24px;
            }
            .stat-card .stat-label {
                font-size: 12px;
            }
        }

        /* Methodology */
        .methodology-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .method-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .method-item:hover {
            box-shadow: var(--shadow);
            border-color: #d8dce5;
        }

        .method-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .method-num.accent-bg {
            background: var(--accent);
        }

        .method-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .method-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .method-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 72px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 28, 55, 0.9) 0%, rgba(10, 22, 45, 0.94) 100%);
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.4px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 15.5px;
            border-radius: 28px;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.4);
            letter-spacing: 0.3px;
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
        }

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

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

        @media (max-width: 768px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 25px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: #0a1628;
            color: #c5cad4;
            padding: 48px 0 20px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: -0.3px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #e8eaef;
            margin-bottom: 6px;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }

        .footer-col p {
            color: #a4aab6;
            line-height: 1.7;
            font-size: 13.5px;
        }

        .footer-col a {
            color: #a4aab6;
            font-size: 13.5px;
            transition: color var(--transition);
            padding: 3px 0;
            display: inline-block;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: #7b8290;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: #8b92a0;
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
            .site-footer {
                padding: 36px 0 16px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

        /* Button variant */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            border-radius: 24px;
            border: 1.5px solid var(--primary);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.2px;
        }

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

        .btn-outline-sm {
            padding: 7px 15px;
            font-size: 13px;
            border-radius: 20px;
        }

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

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

/* roulang page: category3 */
:root {
            --color-primary: #0f2b46;
            --color-primary-light: #1a4268;
            --color-accent: #c8963e;
            --color-accent-light: #e0b860;
            --color-accent-dark: #a67a2e;
            --color-bg: #ffffff;
            --color-bg-alt: #f4f5f7;
            --color-bg-dark: #0d1f33;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5f66;
            --color-text-light: #8a8f96;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-white: #ffffff;
            --color-success: #2d8a4e;
            --color-warning: #d4882a;
            --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, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

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

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

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

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

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

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

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

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

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -1px;
        }

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

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

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

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

        .main-nav a.active {
            color: var(--color-primary);
            background: #e8ecf2;
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: var(--color-white) !important;
            font-weight: 600 !important;
            padding: 9px 18px !important;
            border-radius: 20px !important;
            transition: all var(--transition-base) !important;
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            color: var(--color-white) !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .nav-cta-btn::after {
            display: none !important;
        }

        /* Mobile menu toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-primary);
            padding: 6px;
            line-height: 1;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 27, 46, 0.88) 0%, rgba(15, 27, 46, 0.72) 50%, rgba(15, 27, 46, 0.82) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .banner-title {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .banner-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
        }

        /* Breadcrumb */
        .breadcrumb-row {
            background: var(--color-bg-alt);
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .breadcrumb {
            font-size: 13.5px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
        }

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

        .breadcrumb .sep {
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Main */
        .site-main {
            flex: 1;
        }

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

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

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

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

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-dark .section-title {
            color: var(--color-white);
        }

        .section-desc {
            font-size: 15.5px;
            color: var(--color-text-soft);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

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

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

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

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

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

        .league-card-tag {
            display: inline-block;
            font-size: 11.5px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: #eef4fb;
            color: var(--color-primary);
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.5px;
        }

        .league-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .league-card-desc {
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }

        .league-card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12.5px;
            color: var(--color-text-light);
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        .league-card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .league-card-stats strong {
            color: var(--color-primary);
            font-weight: 600;
        }

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

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .stat-icon {
            font-size: 32px;
            margin-bottom: 10px;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1;
            margin-bottom: 6px;
        }

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

        .stat-label {
            font-size: 13.5px;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Highlight Table */
        .highlight-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            background: var(--color-white);
        }

        .highlight-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14.5px;
            min-width: 700px;
        }

        .highlight-table thead {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .highlight-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 13.5px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .highlight-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--color-border-light);
            vertical-align: middle;
        }

        .highlight-table tbody tr:hover {
            background: #fafbfc;
        }

        .highlight-table .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .team-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
        }

        .dot-epl {
            background: #3d195b;
        }
        .dot-laliga {
            background: #c8102e;
        }
        .dot-bundes {
            background: #d20515;
        }
        .dot-seriea {
            background: #004d98;
        }
        .dot-ligue1 {
            background: #1a3e6d;
        }
        .dot-csl {
            background: #c8102e;
        }

        .table-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .badge-hot {
            background: #fef2f2;
            color: #c0392b;
        }
        .badge-active {
            background: #ecfdf5;
            color: #1a7a4c;
        }
        .badge-upcoming {
            background: #eff6ff;
            color: #1d4ed8;
        }

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

        .info-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-base);
        }

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

        .info-card-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-accent);
        }

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

        .info-card-text p {
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 15.5px;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background: #fafbfc;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #f0f2f5;
        }

        .faq-arrow {
            font-size: 12px;
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14.5px;
            color: var(--color-text-soft);
            line-height: 1.75;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 27, 46, 0.9);
            z-index: 1;
        }

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

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-white);
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.35);
        }

        .btn-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 26px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: var(--color-white);
        }

        /* Footer */
        .site-footer {
            background: #0a1625;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 13.5px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-cards {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .banner-title {
                font-size: 34px;
            }
            .section-title {
                font-size: 26px;
            }
            .main-nav a {
                padding: 7px 10px;
                font-size: 13.5px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
            }
            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: 12px 16px;
                gap: 2px;
                z-index: 999;
            }
            .main-nav.mobile-open a {
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .main-nav.mobile-open a.nav-cta-btn {
                text-align: center;
                margin-left: 0;
                margin-top: 6px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-number {
                font-size: 28px;
            }
            .banner-title {
                font-size: 28px;
            }
            .banner-subtitle {
                font-size: 15px;
            }
            .section-title {
                font-size: 23px;
            }
            .page-banner {
                min-height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .info-card {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .banner-title {
                font-size: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-number {
                font-size: 26px;
            }
            .league-card-img {
                height: 160px;
            }
            .league-card-body {
                padding: 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-title {
                font-size: 23px;
            }
            .btn-cta {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a3a5c;
            --color-primary-light: #1f4770;
            --color-primary-dark: #142d48;
            --color-accent: #c9a96e;
            --color-accent-light: #d9bc8a;
            --color-accent-dark: #b8944f;
            --color-bg: #ffffff;
            --color-bg-alt: #f5f6f8;
            --color-bg-card: #ffffff;
            --color-bg-dark: #0f2137;
            --color-text: #1a1a1a;
            --color-text-light: #555555;
            --color-text-weak: #888888;
            --color-text-on-dark: #e8e8e8;
            --color-border: #e0e0e0;
            --color-border-light: #eeeeee;
            --color-success: #27ae60;
            --color-warning: #f0a040;
            --color-danger: #e74c3c;
            --color-info: #3b7ddd;
            --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, 0.10);
            --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --spacing-4xl: 5rem;
            --max-width: 1200px;
            --nav-height: 68px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

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

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.04);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(26, 58, 92, 0.07);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: 25px !important;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.45) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }

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

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-bg);
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            position: relative;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle span::before,
        .mobile-menu-toggle span::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle span::before {
            top: -6px;
        }
        .mobile-menu-toggle span::after {
            top: 6px;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 0;
            }
            .main-nav a {
                padding: 0.4rem 0.55rem;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 0.4rem 0.8rem !important;
                font-size: 0.82rem !important;
            }
        }

        @media (max-width: 850px) {
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-md);
                gap: 0.3rem;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-normal);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
                justify-content: center;
                text-align: center;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                border-left: 4px solid var(--color-accent);
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn {
                margin-top: 0.5rem;
                text-align: center;
                justify-content: center;
                border-radius: var(--radius-md) !important;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--color-primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-3xl) 0;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 33, 55, 0.82) 0%,
                    rgba(26, 58, 92, 0.75) 60%,
                    rgba(15, 33, 55, 0.88) 100%);
            z-index: 1;
        }

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

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.25);
            border: 1px solid rgba(201, 169, 110, 0.5);
            color: var(--color-accent-light);
            padding: 0.35rem 1rem;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-lg);
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: var(--spacing-md);
            line-height: 1.25;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        .banner-stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-2xl);
            flex-wrap: wrap;
        }

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

        .banner-stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.35rem;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: var(--spacing-2xl) 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stats-row {
                gap: var(--spacing-lg);
            }
            .banner-stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--spacing-4xl) 0;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-3xl);
        }

        .section-header .section-badge {
            display: inline-block;
            background: rgba(26, 58, 92, 0.08);
            color: var(--color-primary);
            padding: 0.3rem 0.9rem;
            border-radius: 25px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }

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

        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-dark .section-header .section-badge {
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent-light);
        }

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

        /* ========== DATA CARDS GRID ========== */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .data-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .data-card .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(26, 58, 92, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .data-card:hover .card-icon-wrap {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.05);
        }

        .data-card .card-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .data-card .card-number .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-weak);
            margin-left: 2px;
        }

        .data-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }

        .data-card p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        .data-card .card-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.2rem 0.6rem;
            border-radius: 15px;
            margin-top: var(--spacing-sm);
        }

        .data-card .card-trend.up {
            color: var(--color-success);
            background: rgba(39, 174, 96, 0.1);
        }
        .data-card .card-trend.down {
            color: var(--color-danger);
            background: rgba(231, 76, 60, 0.1);
        }

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

        @media (max-width: 520px) {
            .data-cards-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .data-card {
                padding: var(--spacing-lg);
            }
            .data-card .card-number {
                font-size: 2rem;
            }
        }

        /* ========== DATA TABLE / LIST ========== */
        .data-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: var(--color-bg-card);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }

        .data-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 0.9rem 1rem;
            font-weight: 600;
            text-align: left;
            white-space: nowrap;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
        }

        .data-table tbody td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
            white-space: nowrap;
        }

        .data-table tbody tr:hover {
            background: rgba(26, 58, 92, 0.03);
        }

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

        .data-table .highlight-cell {
            font-weight: 700;
            color: var(--color-primary);
        }

        .data-table .tag-cell {
            display: inline-block;
            padding: 0.2rem 0.55rem;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .tag-hot {
            background: rgba(231, 76, 60, 0.12);
            color: var(--color-danger);
        }
        .tag-stable {
            background: rgba(39, 174, 96, 0.12);
            color: var(--color-success);
        }
        .tag-watch {
            background: rgba(240, 160, 64, 0.12);
            color: var(--color-warning);
        }

        @media (max-width: 768px) {
            .data-table {
                font-size: 0.8rem;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 0.6rem 0.7rem;
            }
        }

        /* ========== INFO CARDS 2-COL ========== */
        .info-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
        }

        .info-card {
            display: flex;
            gap: var(--spacing-lg);
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

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

        .info-card .info-card-img {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }

        .info-card .info-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-card .info-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }

        .info-card .info-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .info-cards-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .info-card {
                flex-direction: column;
                padding: var(--spacing-lg);
            }
            .info-card .info-card-img {
                width: 100%;
                height: 160px;
            }
        }

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

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

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

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

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

        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-normal);
            color: var(--color-text-light);
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }

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

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

        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: var(--spacing-4xl) 0;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 58, 92, 0.88);
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 550px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.6;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4);
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

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

        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.85rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .footer-col p {
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            font-size: 0.85rem;
        }

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

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.3rem 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-lg);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }

        /* ========== MISC ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }
        .fw-bold {
            font-weight: 700;
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .text-center {
            text-align: center;
        }

        .divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: var(--spacing-md) auto;
        }

        .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-success);
            border-radius: 50%;
            animation: pulse 2s infinite;
            margin-right: 6px;
            vertical-align: middle;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.5);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 8px rgba(39, 174, 96, 0);
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0f2b46;
            --color-primary-light: #1a3f5c;
            --color-accent: #c8a45c;
            --color-accent-light: #d9bc7a;
            --color-accent-dark: #a8873e;
            --color-bg: #f8f6f2;
            --color-white: #ffffff;
            --color-text: #1c1c1c;
            --color-text-secondary: #5a5a5a;
            --color-text-muted: #7d7d7d;
            --color-border: #e0dcd3;
            --color-border-light: #ede9e0;
            --color-success: #2d7d46;
            --color-warning: #c47d2a;
            --color-danger: #b8453a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px 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);
            --font-main: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-main);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            font-size: 16px;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

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

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

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

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

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

        .logo-brand {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .logo-brand:hover {
            color: var(--color-accent-dark);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: rgba(15, 43, 70, 0.04);
        }

        .main-nav a.active {
            color: var(--color-accent-dark);
            font-weight: 700;
            background: rgba(200, 164, 92, 0.08);
        }

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

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 700 !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            margin-left: 8px;
            box-shadow: 0 2px 8px rgba(200, 164, 92, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.45) !important;
            transform: translateY(-1px);
        }

        .nav-cta-btn.active {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
        }

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

        /* Mobile Nav Toggle */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--color-primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }

        /* Hero Section */
        .page-hero {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-blend-mode: overlay;
            position: relative;
            padding: 70px 0 60px;
            color: #fff;
            text-align: center;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 43, 70, 0.82) 0%, rgba(15, 43, 70, 0.7) 100%);
            z-index: 1;
        }

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

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(200, 164, 92, 0.2);
            border: 1px solid rgba(200, 164, 92, 0.45);
            color: var(--color-accent-light);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .page-hero h1 {
            color: #fff;
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .page-hero .hero-cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 28px;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(200, 164, 92, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }

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

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

        .btn-accent-outline:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.35);
        }

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

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            background: rgba(200, 164, 92, 0.1);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .section-header .section-desc {
            color: var(--color-text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

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

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .cards-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }

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

        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.blue {
            background: rgba(15, 43, 70, 0.08);
            color: var(--color-primary);
        }

        .card-icon.gold {
            background: rgba(200, 164, 92, 0.12);
            color: var(--color-accent-dark);
        }

        .card-icon.green {
            background: rgba(45, 125, 70, 0.08);
            color: var(--color-success);
        }

        .card-icon.warm {
            background: rgba(196, 125, 42, 0.08);
            color: var(--color-warning);
        }

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

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

        .card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            margin-top: 14px;
            transition: gap var(--transition-fast);
        }

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

        .card-image-top {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            margin: -28px -24px 18px -24px;
            width: calc(100% + 48px);
        }

        .card-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .card-badge.hot {
            background: #fde8e8;
            color: #b8453a;
        }

        .card-badge.new {
            background: #e6f0f9;
            color: #1a3f5c;
        }

        .card-badge.popular {
            background: #fef6e8;
            color: #a8873e;
        }

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

        .stat-item {
            background: var(--color-white);
            padding: 28px 18px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            line-height: 1;
            margin-bottom: 6px;
        }

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

        /* Strategy Block */
        .strategy-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

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

        .strategy-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .strategy-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-slow);
        }

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

        .strategy-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

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

        .strategy-content ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .strategy-content ul li {
            padding: 7px 0 7px 26px;
            position: relative;
            color: var(--color-text-secondary);
            font-size: 0.94rem;
            line-height: 1.6;
        }

        .strategy-content ul li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 13px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

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

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

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

        .faq-question {
            width: 100%;
            background: none;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.1);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(200, 164, 92, 0.2);
        }

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

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            color: var(--color-text-secondary);
            line-height: 1.75;
            font-size: 0.94rem;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 43, 70, 0.78);
            z-index: 1;
        }

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

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        /* Tips List */
        .tips-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .tips-list li {
            background: var(--color-white);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-accent);
            font-size: 0.94rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            transition: all var(--transition-base);
        }

        .tips-list li:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(2px);
        }

        .tips-list li .tip-num {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* Footer */
        .site-footer {
            background: #0d2235;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

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

        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

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

        .footer-col p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.86rem;
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.84rem;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .strategy-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .strategy-block.reverse {
                direction: ltr;
            }

            .strategy-image img {
                height: 260px;
            }

            .cards-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .tips-list {
                grid-template-columns: 1fr;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .page-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border-light);
                z-index: 999;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }

            .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
                justify-content: center !important;
            }

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

            .cards-grid.cols-3,
            .cards-grid.cols-2 {
                grid-template-columns: 1fr;
            }

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

            .page-hero {
                padding: 50px 0 40px;
                min-height: 260px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-subtitle {
                font-size: 0.95rem;
            }

            .section {
                padding: 40px 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

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

            .stat-number {
                font-size: 1.8rem;
            }

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

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

            .strategy-image img {
                height: 200px;
            }

            .strategy-content h3 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .page-hero h1 {
                font-size: 1.35rem;
            }

            .page-hero .hero-subtitle {
                font-size: 0.85rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }

            .card {
                padding: 20px 16px;
            }

            .card-image-top {
                height: 140px;
                margin: -20px -16px 14px -16px;
                width: calc(100% + 32px);
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-item {
                padding: 18px 10px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .section {
                padding: 30px 0;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }

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

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

            .tips-list li {
                padding: 12px 14px;
                font-size: 0.86rem;
            }

            .strategy-content h3 {
                font-size: 1.15rem;
            }
        }

        @media (min-width: 769px) {
            .main-nav {
                display: flex !important;
            }
        }

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

/* roulang page: category6 */
:root {
            --primary: #0f2b46;
            --primary-light: #1a3d5c;
            --primary-dark: #091e33;
            --accent: #c9a84c;
            --accent-light: #d4b860;
            --accent-dark: #b8943a;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-sand: #faf8f4;
            --bg-soft: #f0f2f5;
            --text-dark: #1a1a2e;
            --text-body: #2d3748;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 0.6em;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(15, 43, 70, 0.25);
        }
        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            transition: all var(--transition-fast) !important;
            box-shadow: 0 2px 8px rgba(201, 168, 76, 0.3);
            margin-left: 6px;
        }
        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.4) !important;
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            margin: 6px 0;
            border-radius: 2px;
            transition: all var(--transition);
        }
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        @media (max-width: 1024px) {
            .main-nav a {
                padding: 7px 11px;
                font-size: 0.85rem;
            }
            .main-nav {
                gap: 2px;
            }
            .nav-cta-btn {
                padding: 7px 15px !important;
                font-size: 0.85rem !important;
            }
        }
        @media (max-width: 860px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius);
                font-size: 1rem;
                text-align: center;
                border-bottom: 1px solid var(--border-light);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background: var(--primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 43, 70, 0.88) 0%, rgba(15, 43, 70, 0.72) 50%, rgba(9, 30, 51, 0.82) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 700px;
            padding: 50px 0;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .page-banner .banner-desc {
            font-size: 1.15rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
            .page-banner .banner-content {
                padding: 36px 0;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-content {
                padding: 28px 0;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-heading);
            letter-spacing: -0.02em;
        }
        .stat-number .accent {
            color: var(--accent);
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 4px;
        }
        @media (max-width: 900px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
            cursor: pointer;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: var(--bg-sand);
        }
        .news-thumb {
            width: 140px;
            height: 95px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-soft);
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }
        .news-title-link {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            display: block;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
            font-family: var(--font-heading);
        }
        .news-item:hover .news-title-link {
            color: var(--primary);
        }
        .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-tag {
            display: inline-block;
            background: var(--bg-soft);
            color: var(--primary-light);
            font-size: 0.78rem;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 500;
            margin-top: 6px;
        }
        .news-read-more {
            display: inline-block;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 6px;
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-read-more {
            color: var(--accent-dark);
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 180px;
                border-radius: var(--radius);
            }
            .news-title-link {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .news-thumb {
                height: 150px;
            }
            .news-item {
                padding: 14px;
            }
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-pill {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1.5px solid var(--border);
            color: var(--text-body);
            transition: all var(--transition-fast);
            cursor: pointer;
            background: #fff;
        }
        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-sand);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .tag-pill.hot {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        @media (max-width: 520px) {
            .tag-pill {
                padding: 6px 13px;
                font-size: 0.82rem;
            }
            .tag-cloud {
                gap: 7px;
            }
        }

        /* ========== FEATURED CARDS ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .featured-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-soft);
        }
        .featured-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .featured-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .featured-card h3 {
            font-size: 1.1rem;
            line-height: 1.4;
        }
        .featured-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            flex: 1;
        }
        .featured-card-link {
            display: inline-block;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.88rem;
            margin-top: auto;
            transition: color var(--transition-fast);
        }
        .featured-card:hover .featured-card-link {
            color: var(--accent-dark);
        }
        @media (max-width: 900px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 600px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card-img {
                height: 170px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            text-align: center;
            padding: 70px 0;
            border-radius: var(--radius-xl);
            margin: 0 28px;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 43, 70, 0.85);
            z-index: 1;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 24px;
            border: none;
            font-size: 0.95rem;
            background: #fff;
            color: var(--text-dark);
            outline: none;
            box-shadow: var(--shadow-sm);
        }
        .cta-form input:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.4);
        }
        .cta-form button {
            padding: 13px 28px;
            border-radius: 24px;
            border: none;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(201, 168, 76, 0.35);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                margin: 0 16px;
                padding: 50px 0;
                border-radius: var(--radius-lg);
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-dark);
            font-family: var(--font-heading);
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition);
            color: var(--text-muted);
        }
        .faq-item.open .faq-arrow {
            background: var(--accent);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 15px 16px;
                font-size: 0.93rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 50px 0 24px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-col p {
            font-size: 0.9rem;
            margin-bottom: 4px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
        }
        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-bottom-links a:hover {
            color: var(--accent-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

        /* ========== UTILITY ========== */
        .bg-light {
            background: var(--bg-light);
        }
        .bg-sand {
            background: var(--bg-sand);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1B3A5C;
            --color-primary-light: #234b74;
            --color-primary-dark: #0f2440;
            --color-accent: #C8963E;
            --color-accent-light: #d9a94f;
            --color-accent-dark: #a67a2e;
            --color-bg: #ffffff;
            --color-bg-alt: #f7f8fa;
            --color-bg-dark: #1a1f2e;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a6070;
            --color-text-light: #8b919e;
            --color-border: #e2e5ec;
            --color-border-light: #eef0f5;
            --color-success: #2e7d32;
            --color-warning: #e67e22;
            --color-white: #ffffff;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.09), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.11), 0 8px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

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

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

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

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

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

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

        .container--narrow {
            max-width: 900px;
        }

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

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

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

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

        .section__tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background-color: rgba(200, 150, 62, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section__title {
            font-size: 2.2rem;
            font-weight: 700;
            color: inherit;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section__title--light {
            color: var(--color-white);
        }

        .section__subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 620px;
            margin: 0 auto;
        }

        .section__subtitle--light {
            color: rgba(255, 255, 255, 0.7);
        }

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

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

        .logo-text {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background-color: rgba(27, 58, 92, 0.04);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background-color: rgba(27, 58, 92, 0.06);
        }

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

        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: var(--color-white) !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            transition: all var(--transition-normal) !important;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.25);
            margin-left: 4px;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-light) !important;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4) !important;
            transform: translateY(-1px);
        }

        .nav-cta-btn.active::after {
            display: none !important;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--color-primary);
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(27, 58, 92, 0.88) 0%, rgba(15, 36, 64, 0.92) 100%), url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: var(--color-white);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-banner__content {
            flex: 1 1 500px;
            padding: 48px 0;
        }

        .hero-banner__badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent-light);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-banner__title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }

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

        .hero-banner__desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin-bottom: 24px;
        }

        .hero-banner__stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

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

        .hero-stat__num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1;
        }

        .hero-stat__label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        .hero-banner__image-wrap {
            flex: 0 0 320px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-banner__image-wrap img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            max-width: 100%;
            object-fit: cover;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px;
        }

        .cards-grid--3col {
            grid-template-columns: repeat(3, 1fr);
        }

        .cards-grid--4col {
            grid-template-columns: repeat(4, 1fr);
        }

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

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

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

        .card__body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card__tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            width: fit-content;
        }

        .card__tag--accent {
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-accent-dark);
        }

        .card__tag--primary {
            background: rgba(27, 58, 92, 0.07);
            color: var(--color-primary);
        }

        .card__tag--success {
            background: rgba(46, 125, 50, 0.08);
            color: var(--color-success);
        }

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

        .card__text {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .card__meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--color-accent);
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }

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

        .card--horizontal {
            flex-direction: row;
            align-items: stretch;
        }

        .card--horizontal .card__image {
            width: 200px;
            aspect-ratio: auto;
            flex-shrink: 0;
            object-fit: cover;
        }

        .card--horizontal .card__body {
            padding: 18px 20px;
        }

        /* Expert Card */
        .expert-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

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

        .expert-card__avatar {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 16px;
            border: 3px solid var(--color-accent);
            box-shadow: 0 0 0 6px rgba(200, 150, 62, 0.1);
        }

        .expert-card__name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .expert-card__role {
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 500;
            margin-bottom: 10px;
        }

        .expert-card__stats {
            display: flex;
            justify-content: center;
            gap: 18px;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }

        .expert-card__stats strong {
            color: var(--color-primary);
            font-size: 1rem;
        }

        .expert-card__desc {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* Stats Bar */
        .stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
        }

        .stats-bar__item {
            flex: 1 1 150px;
            text-align: center;
            padding: 28px 20px;
            border-right: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }

        .stats-bar__item:last-child {
            border-right: none;
        }

        .stats-bar__item:hover {
            background: var(--color-bg-alt);
        }

        .stats-bar__num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stats-bar__num--accent {
            color: var(--color-accent);
        }

        .stats-bar__label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

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

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

        .process-step__icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            font-weight: 700;
            box-shadow: 0 6px 20px rgba(27, 58, 92, 0.3);
            position: relative;
            z-index: 2;
        }

        .process-step__icon--accent {
            background: var(--color-accent);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.3);
        }

        .process-step__title {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .process-step__desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
            border-radius: 2px;
        }

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

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
        }

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

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 12px;
            right: 20px;
            font-size: 4rem;
            color: rgba(200, 150, 62, 0.12);
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
        }

        .testimonial-card__text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card__author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card__source {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

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

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

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

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

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

        .faq-item__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }

        .faq-item__answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }

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

        .faq-item--open .faq-item__icon {
            background: var(--color-accent);
            color: var(--color-white);
            transform: rotate(45deg);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: var(--color-white);
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section__title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section__text {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto 28px;
        }

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

        .btn--accent {
            background: var(--color-accent);
            color: var(--color-white);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }

        .btn--accent:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn--outline:hover {
            border-color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

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

        /* Rating badge */
        .rating-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(46, 125, 50, 0.1);
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 4px 12px;
            border-radius: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-col p {
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 6px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .section__title {
                font-size: 1.8rem;
            }
            .hero-banner__title {
                font-size: 2.2rem;
            }
            .hero-banner .container {
                gap: 28px;
            }
            .hero-banner__image-wrap {
                flex: 0 0 240px;
            }
            .cards-grid--3col {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid--4col {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps::before {
                display: none;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .stats-bar__item {
                flex: 1 1 120px;
                padding: 20px 14px;
            }
            .stats-bar__num {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .main-nav--open {
                display: flex;
            }
            .main-nav a {
                padding: 11px 14px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                text-align: center;
                justify-content: center;
                margin-left: 0;
                margin-top: 6px;
            }
            .mobile-menu-toggle {
                display: inline-flex;
            }
            .hero-banner__title {
                font-size: 1.8rem;
            }
            .hero-banner__desc {
                font-size: 0.95rem;
            }
            .hero-banner .container {
                flex-direction: column;
                text-align: center;
            }
            .hero-banner__content {
                flex: 1 1 auto;
                padding: 36px 0 16px;
            }
            .hero-banner__stats {
                justify-content: center;
            }
            .hero-banner__image-wrap {
                flex: 0 0 auto;
                width: 100%;
                max-width: 300px;
                margin: 0 auto 32px;
                order: -1;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid--3col,
            .cards-grid--4col {
                grid-template-columns: 1fr;
            }
            .card--horizontal {
                flex-direction: column;
            }
            .card--horizontal .card__image {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                flex-direction: column;
            }
            .stats-bar__item {
                border-right: none;
                border-bottom: 1px solid var(--color-border-light);
            }
            .stats-bar__item:last-child {
                border-bottom: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section__title {
                font-size: 1.5rem;
            }
            .cta-section__title {
                font-size: 1.5rem;
            }
            .hero-banner {
                min-height: auto;
            }
            .hero-stat__num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-banner__title {
                font-size: 1.5rem;
            }
            .hero-banner__badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .section {
                padding: 36px 0;
            }
            .section__title {
                font-size: 1.3rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .expert-card {
                padding: 20px 16px;
            }
            .expert-card__avatar {
                width: 70px;
                height: 70px;
            }
            .faq-item__question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-item__answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
            .logo-text {
                font-size: 1.2rem;
            }
            .site-header {
                --nav-height: 56px;
            }
            .hero-stat__num {
                font-size: 1.3rem;
            }
            .hero-stat__label {
                font-size: 0.72rem;
            }
        }