/* roulang page: index */
:root {
            --color-primary: #1a3a5c;
            --color-primary-dark: #0f2440;
            --color-accent: #c8963e;
            --color-accent-light: #e0b860;
            --color-accent-dark: #a07828;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-light: #f0efe9;
            --color-bg-dark: #1a1f2b;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #888888;
            --color-text-inverse: #f0efe9;
            --color-border: #e0ddd5;
            --color-border-light: #ece9e0;
            --color-success: #2d8c5a;
            --color-warning: #d4942b;
            --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, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

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

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

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

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

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

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

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

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 4px 0;
        }

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

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            background: transparent;
            border: 1.5px solid transparent;
            letter-spacing: 0.3px;
            cursor: pointer;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.05);
            border-color: rgba(26, 58, 92, 0.15);
        }

        .nav-tab.active {
            color: #fff;
            background: var(--color-primary);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 58, 92, 0.88) 0%, rgba(15, 36, 64, 0.78) 40%, rgba(26, 31, 43, 0.82) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: var(--color-text-inverse);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 150, 62, 0.25);
            border: 1px solid rgba(200, 150, 62, 0.5);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-light);
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-title em {
            font-style: normal;
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 32px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .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;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

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

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 20px;
        }

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

        .btn-accent-outline:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

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

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

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

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

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

        .section-dark .section-title {
            color: #fff;
        }

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

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

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

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

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

        .stat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            right: 20%;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

        .stat-card:hover::after {
            opacity: 1;
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: rgba(200, 150, 62, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-accent);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: -1px;
            font-family: var(--font-heading);
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

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

        .adv-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
        }

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

        .adv-icon-circle {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: var(--color-primary);
            color: #fff;
        }

        .adv-card:nth-child(2) .adv-icon-circle {
            background: #2d6a9f;
        }

        .adv-card:nth-child(3) .adv-icon-circle {
            background: #3a7d44;
        }

        .adv-card:nth-child(4) .adv-icon-circle {
            background: #8b5e3c;
        }

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

        .adv-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

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

        .cat-card {
            background: var(--color-bg-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);
            cursor: pointer;
            display: block;
            color: inherit;
        }

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

        .cat-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .cat-card-img .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26, 58, 92, 0.7) 0%, transparent 60%);
        }

        .cat-card-body {
            padding: 20px;
        }

        .cat-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .cat-card-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        .cat-card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-accent-dark);
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-story-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            background-size: cover;
            background-position: center;
        }

        .brand-story-text h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--color-text);
        }

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

        .brand-story-text p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .brand-story-text .story-quote {
            border-left: 3px solid var(--color-accent);
            padding-left: 18px;
            font-style: italic;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 16px;
            margin: 18px 0;
        }

        /* ========== MATCH CARDS ========== */
        .match-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .match-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .match-card .match-league {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-accent-dark);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .match-card .match-teams {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .match-card .match-info {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 10px;
        }

        .match-card .match-odds {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .odds-tag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--color-bg-light);
            border-radius: 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-light);
        }

        .odds-tag.hot {
            background: rgba(200, 150, 62, 0.15);
            color: var(--color-accent-dark);
            font-weight: 700;
        }

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

        .review-card {
            background: var(--color-bg-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);
        }

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

        .review-stars {
            color: #e0b860;
            font-size: 15px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .review-author {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .review-date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== PARTNERS ========== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px 48px;
        }

        .partner-item {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
        }

        .partner-item:hover {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.04);
        }

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

        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all var(--transition-base);
            color: var(--color-text-muted);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.75;
            margin: 0;
        }

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

        .news-card {
            background: var(--color-bg-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);
        }

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

        .news-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
        }

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

        .news-card-date {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .news-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .news-card-body .read-more {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .news-card-body .read-more:hover {
            gap: 8px;
            color: var(--color-accent-dark);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 58, 92, 0.85);
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
        }

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

        .footer-brand .logo-text-footer {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

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

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin: 0;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 36px;
            }
            .hero-desc {
                font-size: 16px;
                max-width: 480px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-story-img {
                aspect-ratio: 16 / 9;
                max-height: 320px;
            }
            .match-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section {
                padding: 52px 0;
            }
            .section-sm {
                padding: 36px 0;
            }
            :root {
                --section-gap: 52px;
                --section-gap-sm: 36px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }
            .nav-tabs {
                gap: 2px;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 12px;
                border-radius: 20px;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 12px;
                border-radius: 20px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 14px;
                max-width: 100%;
            }
            .hero-buttons {
                gap: 10px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 13px;
                border-radius: 22px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 28px;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cat-card-img {
                height: 130px;
            }
            .match-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .review-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-story-wrap {
                gap: 20px;
            }
            .brand-story-text h2 {
                font-size: 22px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-tabs-wrap {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                padding: 12px 16px;
                display: none;
                z-index: 999;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .nav-tabs-wrap.open {
                display: block;
            }
            .nav-tabs-wrap .nav-tabs {
                gap: 6px;
                flex-wrap: nowrap;
            }
            .header-inner .nav-tabs {
                display: none;
            }
            .header-inner .nav-cta.desktop-only {
                display: none;
            }
            @media (max-width: 768px) {
                .header-inner .nav-cta.mobile-visible {
                    display: inline-flex;
                }
            }
            .section {
                padding: 40px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
            :root {
                --section-gap: 40px;
                --section-gap-sm: 28px;
                --nav-height: 60px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 13px;
            }
            .hero-section {
                min-height: 360px;
            }
            .hero-content {
                padding: 40px 0;
            }
            .btn {
                padding: 10px 16px;
                font-size: 12px;
                border-radius: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .stat-label {
                font-size: 11px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cat-card-img {
                height: 160px;
            }
            .section-title {
                font-size: 20px;
            }
            .container {
                padding: 0 14px;
            }
            .container-narrow {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 15px;
            }
            .partner-strip {
                gap: 16px 24px;
            }
            .partner-item {
                font-size: 14px;
            }
            .faq-question {
                font-size: 13px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        @media (min-width: 769px) {
            .nav-tabs-wrap {
                display: none !important;
            }
            .header-inner .nav-tabs {
                display: flex;
            }
            .header-inner .nav-cta.desktop-only {
                display: inline-flex;
            }
            .header-inner .nav-cta.mobile-visible {
                display: none;
            }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

        /* Smooth transitions for all interactive */
        .cat-card,
        .stat-card,
        .adv-card,
        .match-card,
        .review-card,
        .news-card,
        .faq-item {
            will-change: transform;
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-dark: #0f2a45;
            --color-accent: #c8963e;
            --color-accent-light: #e0b86c;
            --color-accent-glow: #f5d89a;
            --color-bg: #f8f7f4;
            --color-bg-white: #ffffff;
            --color-bg-card: #ffffff;
            --color-bg-dark: #1a2d40;
            --color-text: #2c2c2c;
            --color-text-strong: #1a1a1a;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-text-on-dark: #e8e6e0;
            --color-border: #e5e2dc;
            --color-border-light: #f0ede7;
            --color-border-strong: #d5d0c7;
            --color-success: #2e7d5b;
            --color-warning: #e8a840;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 14px 48px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.13);
            --shadow-card-hover: 0 18px 50px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-base: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-display: 'PingFang SC', 'Noto Serif SC', 'STSong', 'Songti SC', serif;
            --max-width: 1260px;
            --header-height: 68px;
        }

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

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

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

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

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

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

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

        input:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 1px;
        }

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

        p {
            margin: 0 0 0.8em;
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

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

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), #1e5080);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            font-family: var(--font-display);
        }

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

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            font-size: 0.93rem;
            font-weight: 600;
            color: var(--color-text-weak);
            border-radius: 24px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 94, 0.05);
        }

        .nav-tab.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: 0 3px 12px rgba(26, 60, 94, 0.25);
        }

        .nav-tab.active:hover {
            color: #fff;
            background: var(--color-primary-dark);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-accent);
            border-radius: 24px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: #b8862e;
            color: #fff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        .nav-tabs-wrap {
            display: none;
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border);
            padding: 12px 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-smooth);
        }

        .nav-tabs-wrap.open {
            max-height: 500px;
            padding: 16px 20px;
        }

        .nav-tabs-wrap .nav-tabs {
            flex-direction: column;
            gap: 4px;
        }

        .nav-tabs-wrap .nav-tab {
            width: 100%;
            justify-content: center;
            padding: 12px 16px;
            font-size: 1rem;
        }

        @media (max-width: 1024px) {
            .header-inner>.nav-tabs {
                display: none;
            }

            .desktop-only {
                display: none !important;
            }

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

            .nav-tabs-wrap {
                display: block;
            }
        }

        @media (min-width: 1025px) {
            .desktop-only {
                display: inline-flex;
            }

            .nav-tabs-wrap {
                display: none !important;
            }
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 80px 0 70px;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 94, 0.88) 0%, rgba(15, 42, 69, 0.78) 40%, rgba(26, 45, 64, 0.7) 100%);
            z-index: 1;
        }

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

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            font-family: var(--font-display);
            line-height: 1.25;
        }

        .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            line-height: 1.7;
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            letter-spacing: -0.015em;
            font-family: var(--font-display);
        }

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

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 10px auto 0;
            line-height: 1.65;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 14px auto 0;
        }

        /* ===== FEATURED STORY CARDS ===== */
        .story-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

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

        .story-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-border-strong);
        }

        .story-card-img {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
        }

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

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

        .story-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 16px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

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

        .story-card-meta {
            display: flex;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

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

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

        .story-card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .story-card-prize {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-top: auto;
        }

        .story-card-prize i {
            font-size: 1rem;
        }

        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: 20px;
            transition: all var(--transition-fast);
            background: transparent;
            align-self: flex-start;
            margin-top: 10px;
        }

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

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

        .stat-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

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

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

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

        .stat-number small {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-accent);
        }

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

        /* ===== STORY LIST ===== */
        .story-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .story-list-item {
            display: flex;
            gap: 22px;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

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

        .story-list-thumb {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .story-list-item:hover .story-list-thumb img {
            transform: scale(1.05);
        }

        .story-list-content {
            flex: 1;
            min-width: 0;
        }

        .story-list-meta {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-bottom: 4px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .story-list-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }

        .story-list-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .story-list-prize {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.95rem;
            margin-top: 4px;
        }

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

        .tip-card {
            background: var(--color-bg-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-smooth);
        }

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

        .tip-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), #1e5080);
            color: #fff;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .tip-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text-strong);
        }

        .tip-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-bg-white);
            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-strong);
        }

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

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-smooth);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

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

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, #0f2a45 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
            font-family: var(--font-display);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-accent-glow);
            border-radius: 28px;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .btn-cta-lg:hover {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 10px 32px rgba(200, 150, 62, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            border-radius: 24px;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            margin-left: 12px;
        }

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 50px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .logo-text-footer {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            font-family: var(--font-display);
        }

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

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 18px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .story-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .banner-title {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .story-list-item {
                flex-direction: column;
                gap: 14px;
            }

            .story-list-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 768px) {
            .story-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

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

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

            .banner-title {
                font-size: 1.6rem;
            }

            .banner-subtitle {
                font-size: 0.95rem;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cta-section {
                padding: 34px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .btn-cta-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }

            .btn-outline-light {
                display: flex;
                margin: 12px auto 0;
                width: fit-content;
            }

            .page-banner {
                padding: 50px 0 44px;
                min-height: 200px;
            }

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

            .story-list-item {
                padding: 16px;
            }

            .story-card-img {
                height: 180px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }

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

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }

            .banner-title {
                font-size: 1.35rem;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 18px 12px;
            }

            .stat-number {
                font-size: 1.4rem;
            }

            .cta-section h2 {
                font-size: 1.2rem;
            }

            .story-card-img {
                height: 160px;
            }

            .story-list-thumb {
                height: 130px;
            }

            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

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

            .faq-answer {
                padding: 0 16px;
                font-size: 0.84rem;
            }

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

/* roulang page: category1 */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2a44;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --bg: #f8f9fa;
            --bg-white: #ffffff;
            --bg-soft: #f1f3f6;
            --text: #1e293b;
            --text-soft: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #eef1f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --space-xs: 6px;
            --space-sm: 12px;
            --space: 20px;
            --space-md: 28px;
            --space-lg: 40px;
            --space-xl: 56px;
            --space-2xl: 72px;
            --transition: 0.22s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

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

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

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

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space);
        }

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

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

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

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--space);
            height: 62px;
            gap: var(--space);
        }

        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--space-lg);
                height: 68px;
                gap: var(--space-md);
            }
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .logo-wrap:hover {
            opacity: 0.85;
            color: var(--primary);
        }
        .logo-icon {
            font-size: 1.55rem;
            line-height: 1;
        }
        .logo-text span {
            color: var(--accent);
        }

        .nav-tabs {
            display: flex;
            gap: 2px;
            flex-wrap: nowrap;
            align-items: center;
        }
        .nav-tab {
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: #f1f5f9;
        }
        .nav-tab.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
        }
        .nav-tab.active:hover {
            color: #fff;
            background: var(--primary-dark);
        }

        .nav-cta {
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        .desktop-only {
            display: none;
        }
        @media (min-width: 1024px) {
            .desktop-only {
                display: inline-flex;
            }
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: transparent;
            font-size: 1.3rem;
            color: var(--primary);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: #f1f5f9;
        }
        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .nav-tabs-wrap {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            padding: 8px var(--space) 14px;
            flex-direction: column;
            gap: 4px;
        }
        .nav-tabs-wrap.open {
            display: flex;
        }
        @media (min-width: 1024px) {
            .nav-tabs-wrap {
                display: none !important;
            }
        }
        .nav-tabs-wrap .nav-tab {
            display: block;
            text-align: center;
            padding: 11px 14px;
            border-radius: var(--radius);
            font-size: 0.95rem;
        }

        @media (min-width: 1024px) {
            .nav-tabs {
                gap: 3px;
            }
            .nav-tab {
                padding: 8px 13px;
                font-size: 0.88rem;
            }
        }
        @media (min-width: 1100px) {
            .nav-tab {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background: var(--primary);
            color: #fff;
            padding: var(--space-xl) 0;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.16;
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .page-hero .badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .page-hero .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            letter-spacing: 0.03em;
        }
        .page-hero h1 {
            font-size: 2.1rem;
            font-weight: 700;
            margin: 0;
            line-height: 1.25;
            letter-spacing: 0.01em;
        }
        .page-hero .hero-sub {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 620px;
            line-height: 1.6;
        }
        @media (min-width: 768px) {
            .page-hero {
                min-height: 320px;
                padding: var(--space-2xl) 0;
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
            .page-hero .hero-sub {
                font-size: 1.12rem;
            }
        }
        @media (min-width: 1024px) {
            .page-hero {
                min-height: 360px;
            }
            .page-hero h1 {
                font-size: 2.9rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--space-xl) 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: var(--space-2xl) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: #eef2f7;
            color: var(--primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: var(--space-xs);
        }
        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 var(--space-xs);
            letter-spacing: 0.01em;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-soft);
            max-width: 640px;
            margin: 0 auto;
        }
        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2rem;
            }
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--space);
        }
        @media (min-width: 640px) {
            .card-grid.cols-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
            .card-grid.cols-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .info-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #dde4ed;
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: #eef4fb;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .info-card h3 {
            font-size: 1.1rem;
            font-weight: 650;
            margin: 0;
            color: var(--text);
        }
        .info-card p {
            font-size: 0.92rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.6;
            flex-grow: 1;
        }
        .info-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .info-card .card-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* ========== IMAGE CARD ========== */
        .img-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
        }
        .img-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .img-card .card-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .img-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .img-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .img-card .card-body {
            padding: var(--space);
        }
        .img-card h3 {
            font-size: 1.08rem;
            font-weight: 650;
            margin: 0 0 6px;
            color: var(--text);
        }
        .img-card p {
            font-size: 0.9rem;
            color: var(--text-soft);
            margin: 0 0 var(--space-sm);
            line-height: 1.6;
        }
        .img-card .card-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
            align-items: center;
        }

        /* ========== STEPS ========== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: var(--space);
            counter-reset: step-counter;
        }
        .step-item {
            display: flex;
            gap: var(--space);
            align-items: flex-start;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--shadow);
        }
        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h3 {
            margin: 0 0 4px;
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--text);
        }
        .step-content p {
            margin: 0;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.6;
        }
        @media (min-width: 768px) {
            .steps-list {
                gap: var(--space-md);
            }
            .step-item {
                padding: var(--space-lg);
            }
            .step-num {
                width: 52px;
                height: 52px;
                font-size: 1.25rem;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space);
        }
        @media (min-width: 640px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-block:hover {
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }
        .stat-block .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-block .stat-label {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-top: 4px;
        }
        @media (min-width: 768px) {
            .stat-block .stat-num {
                font-size: 2.4rem;
            }
        }

        /* ========== HIGHLIGHT BOX ========== */
        .highlight-box {
            background: linear-gradient(135deg, #f0f4f9 0%, #e8eef5 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-lg);
            display: flex;
            flex-direction: column;
            gap: var(--space);
            border: 1px solid var(--border-light);
        }
        @media (min-width: 768px) {
            .highlight-box {
                flex-direction: row;
                align-items: center;
                padding: var(--space-xl);
                gap: var(--space-lg);
            }
        }
        .highlight-box .hl-img-wrap {
            flex-shrink: 0;
            width: 100%;
            max-width: 300px;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 0 auto;
        }
        .highlight-box .hl-img-wrap img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
        }
        .highlight-box .hl-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 var(--space-sm);
            color: var(--text);
        }
        .highlight-box .hl-content p {
            font-size: 0.95rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            padding: var(--space) var(--space-md);
            font-weight: 650;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            user-select: none;
            gap: var(--space-sm);
        }
        .faq-q i {
            transition: transform var(--transition);
            color: var(--text-soft);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--space-md);
        }
        .faq-item.open .faq-a {
            max-height: 600px;
            padding: 0 var(--space-md) var(--space-md);
        }
        .faq-a p {
            margin: 0;
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: var(--space-xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 var(--space-sm);
        }
        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin: 0 auto var(--space-md);
            max-width: 560px;
        }
        .cta-btn {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            text-decoration: none;
        }
        .cta-btn:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.35);
            transform: translateY(-2px);
        }
        @media (min-width: 768px) {
            .cta-section {
                padding: var(--space-2xl) 0;
            }
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1e2e;
            color: #cbd5e1;
            padding: var(--space-xl) 0 var(--space);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg) var(--space);
            margin-bottom: var(--space-lg);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            }
        }
        .footer-brand .logo-text-footer {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
        }
        .footer-brand .logo-text-footer span {
            color: var(--accent-light);
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            opacity: 0.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 650;
            color: #fff;
            margin: 0 0 var(--space-sm);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            opacity: 0.8;
            transition: all var(--transition);
            text-decoration: none;
            color: #cbd5e1;
        }
        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space);
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== RESPONSIVE MISC ========== */
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.55rem;
            }
            .page-hero .hero-sub {
                font-size: 0.9rem;
            }
            .info-card {
                padding: var(--space);
            }
            .img-card .card-img-wrap {
                height: 160px;
            }
            .stat-block .stat-num {
                font-size: 1.6rem;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0f2b45;
            --primary-light: #1a3f62;
            --primary-dark: #091c30;
            --accent: #c8943e;
            --accent-light: #d9a94e;
            --accent-dark: #a67a2e;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-light: #f0f2f5;
            --bg-card: #ffffff;
            --text: #1a1d23;
            --text-secondary: #5a5f6b;
            --text-weak: #8b8f98;
            --border: #e2e5ea;
            --border-light: #eef0f3;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }
        p {
            margin: 0 0 1em;
        }

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

        .section {
            padding: 64px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(200, 148, 62, 0.1);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--primary-dark);
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
        }
        .section-header .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
            }
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
            color: var(--primary-dark);
            text-decoration: none;
        }
        .logo-wrap:hover {
            color: var(--primary-dark);
        }
        .logo-icon {
            font-size: 28px;
            line-height: 1;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            white-space: nowrap;
            color: var(--primary-dark);
        }
        .logo-text span {
            color: var(--accent);
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
            background: transparent;
            border: none;
            position: relative;
        }
        .nav-tab:hover {
            color: var(--primary-dark);
            background: var(--bg-light);
        }
        .nav-tab.active {
            color: #fff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(200, 148, 62, 0.3);
        }
        .nav-tab.active:hover {
            color: #fff;
            background: var(--accent-light);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: 8px;
            transition: all var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-light);
            color: var(--accent);
        }
        .nav-tabs-wrap {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 16px 24px;
            z-index: 999;
        }
        .nav-tabs-wrap .nav-tabs {
            flex-direction: column;
            gap: 2px;
        }
        .nav-tabs-wrap .nav-tab {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 0.95rem;
        }

        @media (max-width: 1024px) {
            .header-inner>.nav-tabs {
                display: none;
            }
            .desktop-only {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-tabs-wrap.open {
                display: block;
            }
        }
        @media (min-width: 1025px) {
            .nav-tabs-wrap {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: none !important;
            }
        }

        .page-banner {
            position: relative;
            padding: 80px 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            min-height: 380px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 43, 69, 0.88) 0%, rgba(9, 28, 48, 0.82) 60%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-content {
            text-align: center;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 148, 62, 0.25);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            border: 1px solid rgba(200, 148, 62, 0.3);
        }
        .page-banner h1 {
            font-size: 2.6rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner {
                min-height: 280px;
                padding: 56px 0;
            }
        }
        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 20px;
            line-height: 1.6;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 500;
        }

        .card-recommend {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .card-recommend:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }
        .card-recommend .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .card-recommend .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-recommend:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-recommend .card-badge-top {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.4px;
            z-index: 2;
        }
        .card-recommend .card-body {
            padding: 20px 22px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .card-recommend .card-league {
            font-size: 0.78rem;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .card-recommend .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }
        .card-recommend .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .card-recommend .card-odds {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.05rem;
        }
        .card-recommend .card-confidence {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-weak);
        }
        .confidence-bar {
            width: 60px;
            height: 5px;
            background: #e5e7eb;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .confidence-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: var(--accent);
            transition: width var(--transition-slow);
        }
        .confidence-bar-fill.high {
            background: #22c55e;
        }
        .confidence-bar-fill.medium {
            background: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 26px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-decoration: none;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 148, 62, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 6px 22px rgba(200, 148, 62, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-dark);
            border: 1px solid transparent;
            padding: 8px 16px;
            font-weight: 500;
            font-size: 0.85rem;
        }
        .btn-ghost:hover {
            background: rgba(200, 148, 62, 0.08);
            border-color: rgba(200, 148, 62, 0.25);
            color: var(--accent-dark);
            transform: none;
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .expert-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            height: 100%;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 640px) {
            .expert-card {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }
        .expert-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 3px solid var(--accent-light);
        }
        .expert-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .expert-info .expert-tag {
            font-size: 0.78rem;
            color: var(--accent-dark);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .expert-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .league-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 24px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .league-chip:hover {
            border-color: var(--accent);
            background: rgba(200, 148, 62, 0.05);
            color: var(--accent-dark);
            box-shadow: var(--shadow-sm);
        }
        .league-chip .chip-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .chip-dot.premier {
            background: #3d195b;
        }
        .chip-dot.laliga {
            background: #d4302b;
        }
        .chip-dot.bundesliga {
            background: #c81e1e;
        }
        .chip-dot.seriea {
            background: #1a5276;
        }
        .chip-dot.ligue1 {
            background: #1b3a6b;
        }

        .faq-details {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }
        .faq-details:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-details summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text);
            list-style: none;
            user-select: none;
            transition: color var(--transition);
        }
        .faq-details summary::-webkit-details-marker {
            display: none;
        }
        .faq-details summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.9rem;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-details[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-details[open] summary {
            color: var(--accent-dark);
        }
        .faq-details .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(200, 148, 62, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-box h3 {
            color: #fff;
            font-size: 1.7rem;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            font-size: 1rem;
        }
        .cta-box .btn {
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 52px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .site-footer .logo-text-footer {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .site-footer .logo-text-footer span {
            color: var(--accent-light);
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 768px) {
            .card-recommend .card-body {
                padding: 14px 16px 14px;
                gap: 6px;
            }
            .card-recommend .card-title {
                font-size: 0.98rem;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .cta-box {
                padding: 36px 22px;
            }
            .cta-box h3 {
                font-size: 1.3rem;
            }
            .expert-card {
                padding: 20px;
            }
        }

        .grid-gap-sm {
            gap: 16px;
        }
        .grid-gap-md {
            gap: 24px;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }

        .foundation-override .button {
            background: var(--accent);
            color: #fff;
            border-radius: 26px;
            font-weight: 600;
            padding: 12px 28px;
            transition: all var(--transition);
        }
        .foundation-override .button:hover {
            background: var(--accent-light);
        }

/* roulang page: category2 */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #152b54;
            --color-accent: #c8963e;
            --color-accent-light: #d4a853;
            --color-accent-glow: #e8c97a;
            --color-cta: #e87830;
            --color-cta-hover: #c95f1f;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0b1628;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4f5e;
            --color-text-weak: #7a7f8e;
            --color-text-light: #b0b5c0;
            --color-border: #e2e4ea;
            --color-border-light: #eef0f4;
            --color-success: #2d9d5a;
            --color-danger: #d9434e;
            --color-info: #3b7dd8;
            --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);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4rem;
            --space-3xl: 6rem;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --header-height: 68px;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            padding: 0;
        }

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

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

        .grid-container {
            max-width: 1240px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ========== HEADER ========== */
        .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(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 1.25rem;
            height: var(--header-height);
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

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

        .logo-icon {
            font-size: 1.8rem;
            line-height: 1;
            animation: logoPulse 3s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: nowrap;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(15, 31, 61, 0.05);
        }

        .nav-tab.active {
            color: #ffffff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(15, 31, 61, 0.25);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background: var(--color-cta);
            border-radius: 22px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-cta-hover);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(232, 120, 48, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: rgba(15, 31, 61, 0.06);
        }

        .nav-tabs-wrap {
            display: none;
            background: #ffffff;
            border-top: 1px solid var(--color-border-light);
            padding: 0.75rem 1.25rem 1rem;
            box-shadow: var(--shadow-md);
        }

        .nav-tabs-wrap .nav-tabs {
            flex-wrap: wrap;
            gap: 0.4rem;
            justify-content: center;
        }

        .nav-tabs-wrap .nav-tab {
            font-size: 0.85rem;
            padding: 0.4rem 0.75rem;
        }

        @media (max-width: 1024px) {
            .desktop-only {
                display: none !important;
            }
            .nav-tabs {
                gap: 0.15rem;
            }
            .nav-tab {
                padding: 0.4rem 0.65rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner>.nav-tabs {
                display: none;
            }
            .header-inner .nav-cta.desktop-only {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-tabs-wrap.show {
                display: block;
            }
            .nav-tabs-wrap .nav-tabs {
                flex-direction: column;
                align-items: stretch;
                gap: 0.25rem;
            }
            .nav-tabs-wrap .nav-tab {
                text-align: center;
                justify-content: center;
                border-radius: var(--radius-sm);
                padding: 0.55rem 1rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 0.75rem;
                height: 58px;
            }
            .logo-icon {
                font-size: 1.5rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            :root {
                --header-height: 58px;
            }
        }

        /* ========== 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 30%;
            background-repeat: no-repeat;
            padding: 4.5rem 0;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
            isolation: isolate;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(15, 31, 61, 0.88) 0%,
                    rgba(15, 31, 61, 0.72) 40%,
                    rgba(11, 22, 40, 0.55) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(246, 247, 249, 0.55) 0%, transparent 100%);
            z-index: 2;
            pointer-events: none;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
            color: #ffffff;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.25);
            color: var(--color-accent-glow);
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
            border: 1px solid rgba(200, 150, 62, 0.35);
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
            color: #ffffff;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 2.5rem 0;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 1.8rem 0;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner .banner-badge {
                font-size: 0.75rem;
                padding: 0.25rem 0.7rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--space-2xl) 0;
        }

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

        .section-title {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .section-header .section-title {
            margin-bottom: 0.6rem;
        }

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

        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 10px;
            margin: 0.75rem auto 1.25rem;
        }

        .divider-accent.left {
            margin-left: 0;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-xl) 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 1.5rem 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
        }

        /* ========== INTRO BLOCK ========== */
        .intro-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-md);
            display: flex;
            gap: 2rem;
            align-items: flex-start;
        }

        .intro-block .intro-icon-wrap {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #ffffff;
        }

        .intro-block .intro-text h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

        .intro-block .intro-text p {
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
            font-size: 0.98rem;
        }

        @media (max-width: 768px) {
            .intro-block {
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
            }
            .intro-block .intro-icon-wrap {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
            }
        }

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

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

        .match-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #e8eaef;
        }

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

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

        .match-card .card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--color-accent);
            color: #ffffff;
            padding: 0.25rem 0.7rem;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .match-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .match-card .card-body h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .match-card .card-body .card-meta {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-bottom: 0.75rem;
        }

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

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

        .match-card .card-body .card-tags {
            display: flex;
            gap: 0.4rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }

        .match-card .card-body .card-tags .tag {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            font-size: 0.75rem;
            border-radius: 12px;
            background: rgba(15, 31, 61, 0.06);
            color: var(--color-primary);
            font-weight: 500;
        }

        .match-card .card-body .card-tags .tag.hot {
            background: rgba(232, 120, 48, 0.1);
            color: var(--color-cta);
        }

        .match-card .card-body .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: 20px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .match-card .card-body .btn-card:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* ========== DIMENSION CARDS ========== */
        .dimension-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid transparent;
        }

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

        .dimension-card .dim-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #ffffff;
        }

        .dimension-card .dim-icon.blue {
            background: linear-gradient(135deg, #3b7dd8, #2563b0);
        }
        .dimension-card .dim-icon.gold {
            background: linear-gradient(135deg, #c8963e, #a8782a);
        }
        .dimension-card .dim-icon.green {
            background: linear-gradient(135deg, #2d9d5a, #1e7a3f);
        }
        .dimension-card .dim-icon.purple {
            background: linear-gradient(135deg, #7c3aed, #5b21b6);
        }

        .dimension-card h4 {
            font-family: var(--font-heading);
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

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

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            justify-content: center;
        }

        .stat-item {
            flex: 1 1 180px;
            min-width: 150px;
            max-width: 240px;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

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

        .stat-item .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 0.25rem;
        }

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

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

        @media (max-width: 768px) {
            .stat-item {
                flex: 1 1 130px;
                min-width: 120px;
                padding: 1rem 0.75rem;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                gap: 0.6rem;
            }
            .stat-item {
                flex: 1 1 calc(50% - 0.6rem);
                min-width: 0;
                max-width: none;
                padding: 0.8rem 0.5rem;
                border-radius: var(--radius-md);
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .stat-item .stat-label {
                font-size: 0.75rem;
            }
        }

        /* ========== BG-DARK SECTION ========== */
        .bg-dark-section {
            background: var(--color-bg-dark);
            color: #ffffff;
            position: relative;
            isolation: isolate;
        }

        .bg-dark-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .bg-dark-section .grid-container {
            position: relative;
            z-index: 1;
        }

        .bg-dark-section .section-title {
            color: #ffffff;
        }

        .bg-dark-section .section-subtitle {
            color: var(--color-text-light);
        }

        .bg-dark-section .divider-accent {
            background: var(--color-accent-glow);
        }

        /* ========== TOOL CARDS ========== */
        .tool-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            text-align: center;
            transition: all var(--transition-normal);
            height: 100%;
            backdrop-filter: blur(4px);
        }

        .tool-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .tool-card .tool-icon {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
            color: var(--color-accent-glow);
        }

        .tool-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }

        .tool-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }

        .faq-accordion .accordion-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 0.6rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1.1rem 1.25rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            line-height: 1.4;
            transition: color var(--transition-fast);
            gap: 0.75rem;
        }

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

        .faq-accordion .accordion-title .faq-icon {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-normal);
        }

        .faq-accordion .accordion-item.is-active .accordion-title .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-accordion .accordion-content {
            display: none;
            padding: 0 1.25rem 1.25rem;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }

        .faq-accordion .accordion-item.is-active {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.15);
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            z-index: 0;
        }

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

        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            background: #ffffff;
            border-radius: 28px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-cta-large:hover {
            background: var(--color-accent-glow);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 2rem 1.25rem;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #ffffff;
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }

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

        .footer-brand .logo-text-footer {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .footer-col ul li {
            margin-bottom: 0.4rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .site-footer {
                padding: 2rem 0 1rem;
            }
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .grid-container {
            max-width: 1240px;
        }

        .grid-x.grid-margin-x {
            margin-left: -0.75rem;
            margin-right: -0.75rem;
        }

        .grid-x.grid-margin-x>.cell {
            padding-left: 0.75rem;
            padding-right: 0.75rem;
        }

        @media (max-width: 640px) {
            .grid-x.grid-margin-x {
                margin-left: -0.5rem;
                margin-right: -0.5rem;
            }
            .grid-x.grid-margin-x>.cell {
                padding-left: 0.5rem;
                padding-right: 0.5rem;
            }
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent) !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-dark: #0f2a42;
            --color-accent: #c8963e;
            --color-accent-light: #e0b868;
            --color-accent-dark: #a07628;
            --color-bg: #ffffff;
            --color-bg-alt: #f6f7f9;
            --color-bg-soft: #f0f2f5;
            --color-bg-dark: #1a1f2b;
            --color-text: #1e1e1e;
            --color-text-soft: #5a5f6b;
            --color-text-light: #8b8f99;
            --color-text-inverse: #ffffff;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-success: #2d8a4e;
            --color-warning: #d97706;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 56px;
            --space-2xl: 72px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
        }

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

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

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

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

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

        p {
            margin: 0 0 1rem 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }

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

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

        /* Header */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px var(--space-sm);
            gap: var(--space-sm);
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 12px var(--space-md);
                gap: var(--space-md);
            }
        }

        @media (min-width: 1024px) {
            .header-inner {
                padding: 14px var(--space-lg);
            }
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--color-primary);
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
        }

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

        .nav-tabs {
            display: flex;
            flex-wrap: nowrap;
            gap: 4px;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .header-inner .nav-tabs {
            display: none;
        }

        @media (min-width: 1024px) {
            .header-inner .nav-tabs {
                display: flex;
            }
        }

        .nav-tab {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            border: 1.5px solid transparent;
            background: transparent;
        }

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

        .nav-tab.active {
            color: #ffffff;
            background: var(--color-primary);
            border-color: var(--color-primary);
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.25);
        }

        .nav-tab.active:hover {
            color: #ffffff;
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .nav-cta {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 700;
            white-space: nowrap;
            background: var(--color-accent);
            color: #ffffff;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-accent-dark);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }

        .desktop-only {
            display: none;
        }

        @media (min-width: 1024px) {
            .desktop-only {
                display: inline-block;
            }
        }

        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1.5px solid var(--color-border);
            background: #fff;
            color: var(--color-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

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

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .nav-tabs-wrap {
            display: none;
            background: #ffffff;
            border-top: 1px solid var(--color-border-light);
            padding: 12px var(--space-sm);
        }

        .nav-tabs-wrap.open {
            display: block;
        }

        @media (min-width: 1024px) {
            .nav-tabs-wrap {
                display: none !important;
            }
        }

        .nav-tabs-wrap .nav-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            justify-content: center;
        }

        .nav-tabs-wrap .nav-tab {
            font-size: 0.85rem;
            padding: 7px 14px;
        }

        /* Hero */
        .page-hero {
            position: relative;
            background: linear-gradient(170deg, #0f2a42 0%, #1a3c5e 40%, #1a3c5e 70%, #0f2a42 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 60px 0;
            text-align: center;
            color: #ffffff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 42, 66, 0.82) 0%, rgba(26, 60, 94, 0.75) 100%);
            z-index: 1;
        }

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

        @media (min-width: 768px) {
            .page-hero {
                padding: 80px 0;
            }
        }

        @media (min-width: 1024px) {
            .page-hero {
                padding: 100px 0;
            }
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #f0d78c;
            padding: 6px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .page-hero h1 {
                font-size: 2.8rem;
            }
        }

        @media (min-width: 1024px) {
            .page-hero h1 {
                font-size: 3.2rem;
            }
        }

        .page-hero .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .page-hero .hero-subtitle {
                font-size: 1.15rem;
            }
        }

        .page-hero .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-top: 10px;
        }

        .hero-stat-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            min-width: 100px;
            backdrop-filter: blur(4px);
            text-align: center;
        }

        .hero-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f0d78c;
            display: block;
            line-height: 1.2;
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* Section */
        .section {
            padding: 48px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 64px 0;
            }
        }

        @media (min-width: 1024px) {
            .section {
                padding: 80px 0;
            }
        }

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

        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-primary);
            text-align: center;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            text-align: center;
            max-width: 580px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }

        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 48px;
            }
        }

        /* Intro Card */
        .intro-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            max-width: 820px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .intro-card {
                padding: 36px;
            }
        }

        .intro-card p {
            color: var(--color-text-soft);
            line-height: 1.8;
            font-size: 0.98rem;
            margin-bottom: 16px;
        }

        .intro-card p:last-child {
            margin-bottom: 0;
        }

        .intro-card .highlight-text {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* Skill Cards Grid */
        .skill-cards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .skill-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .skill-cards-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .skill-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 14px;
        }

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

        .skill-card .skill-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
        }

        .skill-card .skill-icon.blue {
            background: #e8f0f8;
            color: var(--color-primary);
        }
        .skill-card .skill-icon.gold {
            background: #fdf3e0;
            color: var(--color-accent);
        }
        .skill-card .skill-icon.green {
            background: #e6f3ea;
            color: var(--color-success);
        }
        .skill-card .skill-icon.red {
            background: #fde8e8;
            color: var(--color-danger);
        }

        .skill-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }

        .skill-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }

        .skill-card .skill-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--color-bg-soft);
            color: var(--color-accent);
            letter-spacing: 0.03em;
            margin-top: auto;
        }

        /* Article List */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

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

        @media (min-width: 640px) {
            .article-card {
                flex-direction: row;
            }
        }

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

        .article-card .article-img {
            flex-shrink: 0;
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        @media (min-width: 640px) {
            .article-card .article-img {
                width: 240px;
                height: auto;
                min-height: 180px;
            }
        }

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

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

        .article-card .article-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
            flex: 1;
        }

        @media (min-width: 640px) {
            .article-card .article-body {
                padding: 22px 24px;
            }
        }

        .article-card .article-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 14px;
            background: #fef3e0;
            color: var(--color-accent);
            letter-spacing: 0.03em;
            align-self: flex-start;
        }

        .article-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.4;
        }

        .article-card .article-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .article-card .article-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0;
        }

        .article-card .read-more {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            align-self: flex-start;
            transition: color var(--transition-fast);
        }

        .article-card .read-more:hover {
            color: var(--color-accent-dark);
        }

        .article-card .read-more i {
            margin-left: 4px;
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

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

        /* Tips Highlight */
        .tips-highlight-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .tips-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .tips-highlight-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .tip-highlight-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-accent);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tip-highlight-card:nth-child(2) {
            border-left-color: var(--color-primary);
        }
        .tip-highlight-card:nth-child(3) {
            border-left-color: var(--color-success);
        }
        .tip-highlight-card:nth-child(4) {
            border-left-color: var(--color-warning);
        }
        .tip-highlight-card:nth-child(5) {
            border-left-color: #6c5ce7;
        }
        .tip-highlight-card:nth-child(6) {
            border-left-color: #e17055;
        }

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

        .tip-highlight-card .tip-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            opacity: 0.3;
        }

        .tip-highlight-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }

        .tip-highlight-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0;
        }

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

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

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

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

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

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

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

        .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: 500px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1a3c5e 0%, #0f2a42 100%);
            color: #ffffff;
            text-align: center;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            z-index: 1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.025);
            border-radius: 50%;
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }

        .btn-primary:hover {
            background: #d4a040;
            color: #ffffff;
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            margin-left: 10px;
        }

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

        /* Footer */
        .site-footer {
            background: #1a1f2b;
            color: #c5c9d2;
            padding: 48px 0 24px;
        }

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

        @media (min-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1fr;
                gap: 36px;
            }
        }

        .footer-brand .logo-text-footer {
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand .logo-text-footer span {
            color: #e0b868;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #a8acb4;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: #a8acb4;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #e0b868;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #7a7e87;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 639px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-item {
                padding: 12px 16px;
                min-width: 80px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .skill-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .skill-card {
                padding: 18px 14px;
            }
            .skill-card .skill-icon {
                width: 44px;
                height: 44px;
                font-size: 1.3rem;
            }
            .skill-card h3 {
                font-size: 0.95rem;
            }
            .skill-card p {
                font-size: 0.8rem;
            }
            .article-card .article-img {
                height: 160px;
            }
            .article-card .article-body {
                padding: 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer p {
                font-size: 0.82rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: 10px;
            }
        }

        @media (max-width: 1023px) and (min-width: 640px) {
            .skill-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-dark: #0f2b45;
            --color-accent: #c8963e;
            --color-accent-light: #e0b860;
            --color-bg: #f8f7f4;
            --color-surface: #ffffff;
            --color-text: #1e1e1e;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e3dd;
            --color-border-light: #f0efe9;
            --color-success: #2d7d46;
            --color-warning: #d4852a;
            --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);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 3.5rem;
            --space-2xl: 5rem;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', serif;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

        *,
        *::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;
        }

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

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            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;
            padding: 0.6rem var(--space-md);
            max-width: 1200px;
            margin: 0 auto;
            gap: var(--space-md);
            flex-wrap: nowrap;
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

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

        .logo-icon {
            font-size: 1.65rem;
            line-height: 1;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            white-space: nowrap;
            font-family: var(--font-serif);
        }

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

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.95rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 24px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 94, 0.05);
        }

        .nav-tab.active {
            color: var(--color-surface);
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-tab.active:hover {
            background: var(--color-primary-dark);
            color: var(--color-surface);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-surface);
            background: var(--color-accent);
            border-radius: 24px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-accent-light);
            color: var(--color-surface);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .desktop-only {
            display: inline-flex;
        }

        @media (max-width: 1024px) {
            .desktop-only {
                display: none;
            }
            .header-inner .nav-tabs {
                display: none;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu-toggle {
                display: none;
            }
            #navTabsWrap {
                display: none;
            }
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.45rem 0.7rem;
            font-size: 1.3rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

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

        @media (max-width: 1024px) {
            .mobile-menu-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
        }

        #navTabsWrap {
            display: none;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 0.75rem var(--space-md);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        #navTabsWrap.open {
            display: block;
        }

        #navTabsWrap .nav-tabs {
            display: flex;
            flex-wrap: nowrap;
            gap: 0.25rem;
            padding-bottom: 0.3rem;
        }

        @media (min-width: 1025px) {
            #navTabsWrap {
                display: none !important;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: var(--space-2xl) 0 var(--space-xl);
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #ffffff;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 27, 42, 0.82) 0%, rgba(26, 60, 94, 0.88) 100%);
            z-index: 1;
        }

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

        .page-banner .banner-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: rgba(200, 150, 62, 0.25);
            border: 1px solid rgba(200, 150, 62, 0.5);
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-md);
            color: #f5e0b0;
        }

        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
            font-family: var(--font-serif);
            color: #ffffff;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.75;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: var(--space-xl) 0 var(--space-lg);
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
        }

        /* Section */
        .section {
            padding: var(--space-2xl) 0;
        }

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

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.4rem;
            color: var(--color-primary);
            font-family: var(--font-serif);
            letter-spacing: 0.04em;
        }

        .section-subtitle {
            text-align: center;
            color: var(--color-text-soft);
            font-size: 1rem;
            margin-bottom: var(--space-xl);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0.6rem auto var(--space-lg);
        }

        /* Card Styles */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            overflow: hidden;
            height: 100%;
        }

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

        .card-body {
            padding: var(--space-md);
        }

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

        .card-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 0.5rem;
        }

        .card-tag.accent {
            background: rgba(200, 150, 62, 0.12);
            color: #b07d2a;
        }

        .card-tag.primary {
            background: rgba(26, 60, 94, 0.08);
            color: var(--color-primary);
        }

        .card-tag.success {
            background: rgba(45, 125, 70, 0.1);
            color: var(--color-success);
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }

        .card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Stats Card */
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }

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

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            font-family: var(--font-serif);
            line-height: 1;
        }

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

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 0.4rem;
            letter-spacing: 0.03em;
        }

        .stat-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: var(--color-accent);
        }

        /* Data Table List */
        .data-list-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: var(--space-sm);
            transition: all var(--transition-fast);
            flex-wrap: wrap;
        }

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

        .data-list-rank {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            min-width: 40px;
            text-align: center;
            font-family: var(--font-serif);
        }

        .data-list-rank.top3 {
            color: var(--color-accent);
        }

        .data-list-info {
            flex: 1;
            min-width: 180px;
        }

        .data-list-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.15rem;
            color: var(--color-text);
        }

        .data-list-info span {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .data-list-stat {
            text-align: right;
            min-width: 100px;
        }

        .data-list-stat .val {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .data-list-stat .lbl {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: block;
        }

        @media (max-width: 520px) {
            .data-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
            .data-list-stat {
                text-align: left;
            }
        }

        /* 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: var(--space-2xl) 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 27, 42, 0.88);
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            font-family: var(--font-serif);
            letter-spacing: 0.04em;
            margin-bottom: 0.6rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto var(--space-lg);
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 28px;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #ffffff;
        }

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

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

        .btn-sm {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: var(--space-md);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            letter-spacing: 0.02em;
            user-select: none;
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-accent);
        }

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

        .faq-answer {
            padding: 0 var(--space-md) var(--space-md);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            display: none;
        }

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

        /* Footer */
        .site-footer {
            background: #0f1f30;
            color: rgba(255, 255, 255, 0.8);
            padding: var(--space-2xl) 0 var(--space-md);
            font-size: 0.9rem;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
        }

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

        .footer-brand p {
            margin-top: 0.5rem;
            line-height: 1.7;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .logo-text-footer {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #ffffff;
            font-family: var(--font-serif);
        }

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

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 0.45rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Highlight Block */
        .highlight-block {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border-left: 5px solid var(--color-accent);
            margin: var(--space-lg) 0;
        }

        .highlight-block h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }

        .highlight-block p {
            color: var(--color-text-soft);
            line-height: 1.7;
            font-size: 0.95rem;
            margin: 0;
        }

        /* Grid helpers */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        @media (max-width: 768px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* Background tint block */
        .bg-tint {
            background: rgba(26, 60, 94, 0.03);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-md);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
            padding: var(--space-sm) 0;
        }

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

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .breadcrumb span {
            color: var(--color-text-soft);
        }