/* roulang page: index */
:root {
            --color-primary: #0d2b45;
            --color-primary-light: #1a3f5c;
            --color-gold: #c8963e;
            --color-gold-light: #d9af6a;
            --color-accent: #e8f0f8;
            --color-soft: #f7f8fa;
            --color-text-main: #1a1a1a;
            --color-text-weak: #6b7280;
            --color-card-bg: #ffffff;
            --color-border: #e5e7eb;
            --color-white: #ffffff;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 20px;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.06);
            --shadow-btn: 0 2px 8px rgba(200, 150, 62, 0.25);
            --transition-base: all 0.25s ease;
            --max-width: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
        }

        *,
        *::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: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text-main);
            background-color: var(--color-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

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

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
            position: relative;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-logo-wrap {
            flex-shrink: 0;
            padding: 0 20px;
            text-align: center;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-base);
        }

        .nav-logo:hover {
            color: var(--color-gold);
        }

        .nav-logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
        }

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

        .nav-link:hover {
            color: var(--color-gold);
            background-color: rgba(200, 150, 62, 0.05);
        }

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

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            z-index: 101;
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 99;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: #fff;
            z-index: 100;
            padding: 80px 24px 40px;
            transition: right 0.3s ease;
            overflow-y: auto;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel.open {
            right: 0;
        }

        .mobile-nav-panel .nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 1.05rem;
            border-radius: var(--radius-btn);
            width: 100%;
            text-align: left;
        }

        .mobile-nav-panel .nav-link.active {
            background-color: rgba(200, 150, 62, 0.1);
        }

        .mobile-nav-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text-main);
            cursor: pointer;
            padding: 8px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 43, 69, 0.88) 0%, rgba(13, 43, 69, 0.72) 40%, rgba(26, 63, 92, 0.65) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 80px 0;
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.25);
            border: 1px solid rgba(200, 150, 62, 0.5);
            color: #f0d78c;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 20px;
            letter-spacing: 0.03em;
        }

        .hero-title .gold-text {
            color: #f0d78c;
        }

        .hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin: 0 0 32px;
            max-width: 680px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition-base);
            border: 2px solid transparent;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-gold);
            color: #fff;
            border-color: var(--color-gold);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: #b8862e;
            border-color: #b8862e;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }

        .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;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 6px;
        }

        .btn-text {
            background: transparent;
            border: none;
            color: var(--color-gold);
            padding: 8px 4px;
            font-weight: 600;
            font-size: 0.9rem;
            gap: 4px;
        }

        .btn-text:hover {
            color: #b8862e;
            gap: 8px;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

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

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

        .section-title {
            font-size: 1.95rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

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

        /* 数据统计卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

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

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

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }

        .stat-unit {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-gold);
        }

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

        /* 优势卡片 */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

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

        .advantage-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: var(--transition-base);
        }

        .advantage-card:hover .advantage-icon-circle {
            background: var(--color-gold);
            color: #fff;
        }

        .advantage-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }

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

        /* 分类卡片网格 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .category-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

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

        .category-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .category-card-body {
            padding: 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .category-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            margin: 0 0 12px;
            flex: 1;
        }

        .category-card .card-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .category-card .card-link:hover {
            color: #b8862e;
            gap: 8px;
        }

        /* 品牌故事 */
        .brand-story-section {
            background: var(--color-soft);
        }

        .brand-story-inner {
            display: flex;
            gap: 48px;
            align-items: center;
            flex-wrap: wrap;
        }

        .brand-story-text {
            flex: 1;
            min-width: 300px;
        }

        .brand-story-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 16px;
        }

        .brand-story-text p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.85;
            margin: 0 0 12px;
        }

        .brand-story-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .brand-story-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* 赛事服务 */
        .service-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-item {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
        }

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

        .service-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
            margin-top: 6px;
        }

        .service-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 4px;
        }

        .service-item p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            margin: 0;
        }

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

        .testimonial-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 3rem;
            color: var(--color-gold);
            opacity: 0.3;
            position: absolute;
            top: 12px;
            left: 16px;
            line-height: 1;
            font-family: Georgia, serif;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--color-text-main);
            line-height: 1.7;
            margin: 0 0 14px;
            padding-top: 10px;
        }

        .testimonial-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
        }

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

        /* 合作伙伴 */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 32px 40px;
        }

        .partner-item {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-weak);
            letter-spacing: 0.04em;
            padding: 16px 24px;
            border-radius: var(--radius-btn);
            background: var(--color-soft);
            transition: var(--transition-base);
            text-align: center;
        }

        .partner-item:hover {
            color: var(--color-gold);
            background: #fef9f0;
        }

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

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

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: var(--transition-base);
        }

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

        .faq-icon {
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            color: var(--color-gold);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

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

        .news-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-weak);
            margin-bottom: 6px;
        }

        .news-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            margin: 0 0 12px;
            flex: 1;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
        }

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

        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            margin-top: 28px;
        }

        /* Footer */
        .site-footer {
            background: #0a1e30;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
        }

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

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

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

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .brand-story-inner {
                flex-direction: column;
            }
            .nav-group-left .nav-link:nth-child(3),
            .nav-group-left .nav-link:nth-child(4) {
                display: none;
            }
            .nav-group-right .nav-link:nth-child(1),
            .nav-group-right .nav-link:nth-child(2) {
                display: none;
            }
            .nav-logo-wrap {
                padding: 0 10px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-content {
                padding: 48px 0;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
                line-height: 1.6;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .service-list {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .brand-story-image img {
                height: 260px;
            }

            /* 移动端导航 */
            .nav-group {
                display: none;
            }
            .nav-logo-wrap {
                flex: 1;
                text-align: left;
                padding: 0;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .mobile-nav-overlay {
                display: block;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.3s ease;
            }
            .mobile-nav-overlay.open {
                opacity: 1;
                pointer-events: auto;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .header-inner {
                height: 56px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-section {
                min-height: 380px;
            }
            .hero-content {
                padding: 36px 0;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 14px;
            }
            .partner-row {
                gap: 16px;
            }
            .partner-item {
                font-size: 0.9rem;
                padding: 12px 16px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.82rem;
            }
            .news-card-img {
                height: 160px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a3c5e;
            --primary-light: #2c5f8a;
            --primary-dark: #0f2840;
            --accent: #c8922b;
            --accent-light: #e6b44d;
            --accent-dark: #9a6f1d;
            --bg-white: #ffffff;
            --bg-light: #f7f9fb;
            --bg-warm: #fdfaf5;
            --bg-dark: #0d1b2a;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-muted: #7a7a7a;
            --text-light: #9a9a9a;
            --text-on-dark: #e8e8e8;
            --border: #e2e6ea;
            --border-light: #eef1f5;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px 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 14px 40px rgba(0, 0, 0, 0.13);
            --shadow-accent: 0 6px 22px rgba(200, 146, 43, 0.18);
            --space-xs: 6px;
            --space-sm: 12px;
            --space: 20px;
            --space-md: 32px;
            --space-lg: 48px;
            --space-xl: 64px;
            --space-2xl: 80px;
            --font-xs: 0.78rem;
            --font-sm: 0.88rem;
            --font: 1rem;
            --font-md: 1.08rem;
            --font-lg: 1.2rem;
            --font-xl: 1.45rem;
            --font-2xl: 1.8rem;
            --font-3xl: 2.3rem;
            --font-4xl: 2.9rem;
            --max-width: 1180px;
            --header-height: 66px;
            --transition: 0.22s 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: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-sm);
            }
        }

        /* ======= HEADER ======= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            padding: 0 var(--space);
            position: relative;
            gap: 0;
        }
        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-group-left {
            margin-right: auto;
        }
        .nav-group-right {
            margin-left: auto;
        }
        .nav-logo-wrap {
            flex-shrink: 0;
            padding: 0 var(--space-md);
            text-align: center;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav-logo:hover {
            color: var(--primary-light);
        }
        .nav-logo-icon {
            font-size: 1.35em;
            display: inline-flex;
            align-items: center;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.04);
        }
        .nav-link.active {
            color: var(--accent-dark);
            background: rgba(200, 146, 43, 0.07);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 3px;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            position: absolute;
            right: var(--space);
            top: 50%;
            transform: translateY(-50%);
            z-index: 1001;
        }
        .mobile-menu-toggle:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        @media (max-width: 1024px) {
            .nav-group-left,
            .nav-group-right {
                display: none;
            }
            .header-inner {
                justify-content: flex-start;
            }
            .nav-logo-wrap {
                padding: 0;
                margin-right: auto;
            }
            .mobile-menu-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .site-header.mobile-open .nav-group-left,
            .site-header.mobile-open .nav-group-right {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: var(--space-sm) var(--space);
                gap: 4px;
                z-index: 999;
                align-items: stretch;
            }
            .site-header.mobile-open .nav-group-left {
                border-top: 1px solid var(--border-light);
            }
            .site-header.mobile-open .nav-link {
                padding: 11px 14px;
                border-radius: var(--radius);
                font-size: var(--font);
                justify-content: center;
            }
        }

        /* ======= PAGE BANNER ======= */
        .page-banner {
            position: relative;
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 42, 0.72) 0%, rgba(26, 60, 94, 0.80) 60%, rgba(13, 27, 42, 0.88) 100%);
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: var(--space-xl) var(--space);
        }
        .page-banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: var(--font-xs);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: var(--space);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .page-banner h1 {
            font-size: var(--font-4xl);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }
        .page-banner p {
            font-size: var(--font-lg);
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            max-width: 540px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: var(--font-2xl);
            }
            .page-banner p {
                font-size: var(--font);
            }
        }

        /* ======= SECTIONS ======= */
        .section {
            padding: var(--space-2xl) 0;
        }
        .section-sm {
            padding: var(--space-xl) 0;
        }
        .section-title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--primary-dark);
            text-align: center;
            margin-bottom: var(--space-xs);
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: var(--font);
            margin-bottom: var(--space-lg);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-accent-line {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 0 auto var(--space-md) auto;
        }

        /* ======= GRID ======= */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 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);
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ======= CARD ======= */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef3f7;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-body {
            padding: var(--space);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tag {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 146, 43, 0.10);
            padding: 4px 10px;
            border-radius: 14px;
            margin-bottom: var(--space-xs);
            width: fit-content;
            letter-spacing: 0.02em;
        }
        .card-title {
            font-size: var(--font-lg);
            font-weight: 650;
            color: var(--primary-dark);
            margin-bottom: var(--space-xs);
            line-height: 1.35;
        }
        .card-desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--space-sm);
        }
        .card-meta {
            font-size: var(--font-xs);
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }
        .card-meta i {
            margin-right: 3px;
        }

        /* ======= TOPIC LIST ======= */
        .topic-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .topic-item {
            display: flex;
            align-items: center;
            gap: var(--space);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: var(--space);
            transition: all var(--transition);
            cursor: pointer;
        }
        .topic-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-accent);
            background: var(--bg-warm);
        }
        .topic-rank {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .topic-rank.hot {
            background: var(--accent);
        }
        .topic-info {
            flex: 1;
            min-width: 0;
        }
        .topic-info h4 {
            font-size: var(--font);
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 2px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .topic-info span {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }
        .topic-stats {
            font-size: var(--font-xs);
            color: var(--text-light);
            white-space: nowrap;
        }
        .topic-stats i {
            margin-right: 3px;
        }

        /* ======= STAT ROW ======= */
        .stat-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--space-lg);
            text-align: center;
            padding: var(--space-lg) 0;
        }
        .stat-item {
            flex: 0 0 auto;
            min-width: 130px;
        }
        .stat-number {
            font-size: var(--font-3xl);
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
        }
        .stat-label {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 640px) {
            .stat-row {
                gap: var(--space);
            }
            .stat-item {
                min-width: 100px;
            }
            .stat-number {
                font-size: var(--font-2xl);
            }
        }

        /* ======= FAQ ======= */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--space);
            font-size: var(--font);
            font-weight: 600;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            background: transparent;
            cursor: pointer;
            border: none;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 var(--space) var(--space) var(--space);
            color: var(--text-secondary);
            font-size: var(--font-sm);
            line-height: 1.75;
        }

        /* ======= CTA ======= */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            text-align: center;
            color: #fff;
            padding: var(--space-2xl) 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 27, 42, 0.85);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: var(--font-2xl);
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-md);
            font-size: var(--font);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: var(--font);
            transition: all var(--transition);
            letter-spacing: 0.01em;
            cursor: pointer;
            text-decoration: none;
            border: none;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(200, 146, 43, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 24px rgba(200, 146, 43, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ======= COMMUNITY HIGHLIGHT ======= */
        .highlight-card {
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid rgba(200, 146, 43, 0.15);
            display: flex;
            align-items: flex-start;
            gap: var(--space);
            transition: all var(--transition);
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-accent);
            border-color: rgba(200, 146, 43, 0.3);
        }
        .highlight-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .highlight-info h4 {
            font-size: var(--font);
            font-weight: 650;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }
        .highlight-info p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ======= FOOTER ======= */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: var(--space-xl) 0 var(--space) 0;
            font-size: var(--font-sm);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-brand {
            font-size: var(--font-xl);
            font-weight: 700;
            margin-bottom: var(--space-sm);
            color: #fff;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            font-size: var(--font-sm);
        }
        .footer-col h5 {
            color: #fff;
            font-size: var(--font);
            font-weight: 600;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition);
            font-size: var(--font-sm);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space);
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: var(--font-xs);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ======= UTILS ======= */
        .text-center {
            text-align: center;
        }
        .bg-light {
            background: var(--bg-light);
        }
        .bg-warm {
            background: var(--bg-warm);
        }
        .mt-sm {
            margin-top: var(--space-sm);
        }
        .mt-md {
            margin-top: var(--space-md);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }

        /* ======= MOBILE NAV OVERLAY ======= */
        @media (max-width: 1024px) {
            .site-header.mobile-open {
                box-shadow: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0a1f3f;
            --primary-light: #132d56;
            --primary-dark: #06152b;
            --accent: #c8923b;
            --accent-light: #e8b84b;
            --accent-dark: #a0752d;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-light: #f1f3f6;
            --bg-card: #ffffff;
            --text: #1c2433;
            --text-strong: #0f1722;
            --text-weak: #6f7b8c;
            --text-muted: #9ca3b0;
            --border: #e2e5ea;
            --border-light: #eef0f3;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(10, 31, 63, 0.06);
            --shadow: 0 2px 12px rgba(10, 31, 63, 0.07), 0 1px 3px rgba(10, 31, 63, 0.04);
            --shadow-md: 0 6px 24px rgba(10, 31, 63, 0.09), 0 2px 6px rgba(10, 31, 63, 0.04);
            --shadow-lg: 0 12px 40px rgba(10, 31, 63, 0.12), 0 4px 10px rgba(10, 31, 63, 0.05);
            --shadow-xl: 0 20px 56px rgba(10, 31, 63, 0.15), 0 6px 16px rgba(10, 31, 63, 0.06);
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

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

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

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

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

        input,
        button {
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

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

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 16px;
            position: relative;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-group-left {
            flex: 0 0 auto;
        }
        .nav-group-right {
            flex: 0 0 auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 31, 63, 0.04);
        }

        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(200, 146, 59, 0.07);
            box-shadow: inset 0 -2px 0 var(--accent-light);
        }

        .nav-logo-wrap {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 8px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition);
        }

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

        .nav-logo-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            color: #fff;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: rgba(10, 31, 63, 0.06);
            color: var(--accent);
        }

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

        /* Page Banner */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--primary-dark) url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 31, 63, 0.82) 0%, rgba(10, 31, 63, 0.7) 100%);
            z-index: 1;
        }

        .page-banner-inner {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
            max-width: 800px;
        }

        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 146, 59, 0.2);
            border: 1px solid rgba(200, 146, 59, 0.4);
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto;
        }

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

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 8px;
        }

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

        .section-header .section-subtitle {
            margin-top: 8px;
            color: var(--text-weak);
            font-size: 0.95rem;
        }

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

        .cards-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .cards-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

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

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(200, 146, 59, 0.2);
        }

        .card-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-light);
        }

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

        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

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

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            padding: 4px 10px;
            background: rgba(200, 146, 59, 0.08);
            border-radius: 50px;
            width: fit-content;
            transition: all var(--transition);
        }

        .card:hover .card-tag {
            background: rgba(200, 146, 59, 0.15);
        }

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

        .detail-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .detail-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(200, 146, 59, 0.18);
        }

        .detail-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #ffffff;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        }

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

        .detail-content p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.65;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

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

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

        .step-card::before {
            content: counter(step);
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 34px;
            height: 34px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 10px 0 6px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.55;
        }

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

        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.03em;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(200, 146, 59, 0.25);
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-strong);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition);
            background: transparent;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--accent);
            background: rgba(200, 146, 59, 0.03);
        }

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

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            display: none;
        }

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

        .faq-item.open .faq-question {
            color: var(--accent);
            font-weight: 700;
        }

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

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

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            background-blend-mode: overlay;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200, 146, 59, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 20px rgba(200, 146, 59, 0.45);
            transform: translateY(-2px);
        }

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

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

        .btn-ghost {
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 6px 0;
            font-size: 0.88rem;
            border-radius: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .btn-ghost:hover {
            gap: 8px;
            color: var(--accent-dark);
        }

        .btn-ghost i {
            font-size: 0.7rem;
        }

        /* Highlight Box */
        .highlight-box {
            background: linear-gradient(135deg, rgba(200, 146, 59, 0.06), rgba(200, 146, 59, 0.02));
            border: 1px solid rgba(200, 146, 59, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .highlight-box .hl-icon {
            flex-shrink: 0;
            font-size: 1.8rem;
            color: var(--accent);
        }

        .highlight-box p {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.65;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: auto;
        }

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

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.65;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 2.1rem;
            }
            .detail-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-group {
                gap: 2px;
            }
            .nav-link {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
                gap: 8px;
            }
            .nav-group {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-logo-wrap {
                flex: 1;
                justify-content: center;
            }
            .header-inner.mobile-open .nav-group-left,
            .header-inner.mobile-open .nav-group-right {
                display: flex;
                flex-direction: column;
                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: 12px 20px;
                gap: 4px;
                z-index: 999;
            }
            .header-inner.mobile-open .nav-group-left {
                top: var(--header-height);
            }
            .header-inner.mobile-open .nav-group-right {
                top: calc(var(--header-height) + 140px);
                border-top: 1px solid var(--border-light);
            }
            .cards-grid,
            .cards-grid.cols-2,
            .cards-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .detail-item {
                padding: 18px 16px;
            }
            .highlight-box {
                flex-direction: column;
                padding: 20px 18px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-desc {
                font-size: 0.85rem;
            }
            .page-banner-inner {
                padding: 40px 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-body h3 {
                font-size: 1rem;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1e4d7b;
            --primary-dark: #0f2840;
            --accent: #c8963e;
            --accent-light: #d9a84e;
            --accent-glow: #e8c170;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-light: #eef2f7;
            --bg-card: #ffffff;
            --text: #1a1f2b;
            --text-strong: #0d1117;
            --text-weak: #5c6370;
            --text-muted: #8b919c;
            --border: #dde3ea;
            --border-light: #e8ecf1;
            --shadow-sm: 0 1px 3px rgba(14, 30, 50, 0.06);
            --shadow: 0 4px 16px rgba(14, 30, 50, 0.08);
            --shadow-lg: 0 12px 36px rgba(14, 30, 50, 0.12);
            --shadow-xl: 0 20px 56px rgba(14, 30, 50, 0.16);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --max-width: 1240px;
            --nav-height: 68px;
            --transition-fast: 0.18s ease;
            --transition: 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;
            font-size: 16px;
        }

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

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

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

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

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

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

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

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

        .nav-group {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-shrink: 0;
        }

        .nav-group-left {
            margin-right: auto;
        }

        .nav-group-right {
            margin-left: auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 0.9rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: var(--radius-xs);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.04);
        }

        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(200, 150, 62, 0.07);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 10px;
        }

        .nav-logo-wrap {
            flex-shrink: 0;
            text-align: center;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .nav-logo-icon {
            font-size: 1.5rem;
            display: inline-block;
            animation: logoPulse 3s ease-in-out infinite;
        }

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

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-strong);
            padding: 0.5rem;
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            z-index: 1001;
            flex-shrink: 0;
        }

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

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(160deg, #0f2840 0%, #1a3c5e 35%, #1e4d7b 65%, #153250 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            position: relative;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            text-align: center;
            color: #ffffff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(200, 150, 62, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }

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

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

        .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--accent-glow);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            backdrop-filter: blur(4px);
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing);
            line-height: 1.25;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

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

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

        .banner-stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
            letter-spacing: 0.02em;
        }

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

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

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

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

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

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
        }

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

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

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

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

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

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

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

        .card-icon.blue {
            background: #e8f0fa;
            color: var(--primary);
        }
        .card-icon.gold {
            background: #fdf3e0;
            color: var(--accent);
        }
        .card-icon.teal {
            background: #e4f4f2;
            color: #1a7a6d;
        }
        .card-icon.purple {
            background: #f0e8f6;
            color: #5b3d8c;
        }
        .card-icon.rose {
            background: #fde8ec;
            color: #b8455a;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
            letter-spacing: 0.01em;
        }

        .card p {
            font-size: 0.925rem;
            color: var(--text-weak);
            line-height: 1.65;
            flex-grow: 1;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            margin-top: var(--spacing-sm);
            align-self: flex-start;
            letter-spacing: 0.02em;
        }

        .card-tag.info {
            background: #e8f0fa;
            color: var(--primary);
        }
        .card-tag.hot {
            background: #fef3e4;
            color: #b8781e;
        }
        .card-tag.new {
            background: #e4f4f2;
            color: #1a7a6d;
        }

        .card-image-wrap {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: var(--spacing);
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }

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

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

        /* ========== DATA HIGHLIGHT TABLE ========== */
        .data-highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing);
        }

        .data-highlight-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .data-highlight-card .dh-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .data-highlight-card .dh-value.gold {
            color: var(--accent);
        }

        .data-highlight-card .dh-label {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-top: 0.5rem;
            font-weight: 500;
        }

        .data-highlight-card .dh-sub {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        /* ========== LEAGUE LIST ========== */
        .league-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing);
        }

        .league-item {
            display: flex;
            align-items: center;
            gap: var(--spacing);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: var(--spacing) var(--spacing-md);
            transition: all var(--transition);
            cursor: default;
        }

        .league-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
            transform: translateY(-1px);
        }

        .league-badge {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            letter-spacing: 0.03em;
        }

        .league-badge.epl {
            background: #3d195b;
        }
        .league-badge.laliga {
            background: #c8303e;
        }
        .league-badge.seriea {
            background: #1a5c8a;
        }
        .league-badge.bundes {
            background: #c41230;
        }
        .league-badge.ligue1 {
            background: #1e3a5f;
        }
        .league-badge.csl {
            background: #d4213d;
        }
        .league-badge.ucl {
            background: #0a3465;
        }
        .league-badge.worldcup {
            background: #b8860b;
        }

        .league-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.15rem;
        }

        .league-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .league-stat {
            margin-left: auto;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--accent);
            white-space: nowrap;
        }

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

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

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

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

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

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

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

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

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

        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.925rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, #1a3c5e 0%, #153250 40%, #0f2840 100%);
            color: #fff;
            text-align: center;
            padding: var(--spacing-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 50%, rgba(200, 150, 62, 0.22) 0%, transparent 55%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing);
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

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

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

        .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0d1a28;
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xl) 0 var(--spacing);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.65;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .footer-col a,
        .footer-col span {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0.4rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1100px) {
            .nav-link {
                padding: 0.45rem 0.6rem;
                font-size: 0.85rem;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo-icon {
                font-size: 1.25rem;
            }
            .data-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .league-list {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 880px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-group-left,
            .nav-group-right {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--bg-white);
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: var(--spacing) var(--spacing-md);
                gap: 0.25rem;
                z-index: 999;
            }
            .nav-group-left {
                top: var(--nav-height);
            }
            .nav-group-right {
                top: calc(var(--nav-height) + 180px);
            }
            .header-inner.menu-open .nav-group-left,
            .header-inner.menu-open .nav-group-right {
                display: flex;
            }
            .header-inner.menu-open .nav-group-right {
                top: calc(var(--nav-height) + 165px);
            }
            .nav-link {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--accent);
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
                margin-left: auto;
            }
            .nav-logo-wrap {
                margin-right: 0;
            }
            .nav-group-left {
                margin-right: 0;
            }
            .nav-group-right {
                margin-left: 0;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .banner-stat-value {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .data-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .league-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 540px) {
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .banner-stats-row {
                gap: var(--spacing);
            }
            .banner-stat-value {
                font-size: 1.3rem;
            }
            .banner-stat-label {
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cards-grid,
            .cards-grid-3,
            .cards-grid-4 {
                grid-template-columns: 1fr;
            }
            .data-highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xs);
            }
            .data-highlight-card {
                padding: var(--spacing) var(--spacing-sm);
            }
            .data-highlight-card .dh-value {
                font-size: 1.6rem;
            }
            .league-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                padding: var(--spacing) var(--spacing-md);
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 var(--spacing-md) var(--spacing);
                font-size: 0.85rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1B3A5C;
            --primary-light: #2C5F8A;
            --primary-dark: #0F2540;
            --accent: #C8963E;
            --accent-light: #E0B860;
            --accent-dark: #A07828;
            --bg: #FFFFFF;
            --bg-alt: #F4F6F9;
            --bg-card: #FFFFFF;
            --bg-dark: #0F1A2E;
            --text: #1A1A2E;
            --text-secondary: #4A4A5E;
            --text-muted: #8B8FA3;
            --text-light: #B0B5C4;
            --border: #E5E7EB;
            --border-light: #F0F1F5;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            gap: 20px;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-group-left {
            justify-content: flex-start;
        }
        .nav-group-right {
            justify-content: flex-end;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(27, 58, 92, 0.04);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(27, 58, 92, 0.07);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px 3px 0 0;
        }

        .nav-logo-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav-logo:hover {
            color: var(--primary-light);
        }
        .nav-logo-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: 10px;
            flex-shrink: 0;
        }

        .mobile-menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 1.4rem;
            color: var(--primary);
            background: var(--bg-alt);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: rgba(27, 58, 92, 0.1);
        }

        /* ========== MAIN ========== */
        main {
            flex: 1;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(160deg, #0F1A2E 0%, #1B3A5C 40%, #1a3550 100%);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.22;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(15, 26, 46, 0.7) 0%, transparent 100%);
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 16px;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.35);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            line-height: 1.25;
            max-width: 700px;
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.7;
        }
        .page-hero .hero-stats-row {
            display: flex;
            gap: 40px;
            margin-top: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .page-hero .hero-stat {
            text-align: center;
            color: #fff;
        }
        .page-hero .hero-stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-light);
            letter-spacing: 0.02em;
        }
        .page-hero .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 8px;
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .cards-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .cards-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: rgba(27, 58, 92, 0.1);
            color: var(--primary);
        }
        .card-icon.gold {
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent);
        }
        .card-icon.teal {
            background: rgba(20, 150, 140, 0.1);
            color: #14968C;
        }
        .card-icon.coral {
            background: rgba(220, 90, 70, 0.1);
            color: #DC5A46;
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
        }
        .card p {
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
        }
        .card .card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .card .card-link:hover {
            gap: 10px;
            color: var(--accent);
        }
        .card .card-link i {
            font-size: 0.7rem;
        }

        /* ========== ARTICLE / LIST CARDS ========== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateY(-2px);
        }
        .article-card-img {
            width: 180px;
            height: 120px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .article-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .article-card-body .article-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }
        .article-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.4;
        }
        .article-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-body .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: auto;
            transition: color var(--transition);
        }
        .article-card-body .read-more:hover {
            color: var(--accent);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-card .stat-value.accent {
            color: var(--accent);
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }
        .stat-card .stat-desc {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ========== ANALYSIS HIGHLIGHT ========== */
        .highlight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }
        .highlight-block .highlight-img {
            width: 100%;
            height: 100%;
            min-height: 340px;
            object-fit: cover;
            border-radius: var(--radius-xl) 0 0 var(--radius-xl);
        }
        .highlight-block .highlight-content {
            padding: 40px 32px 40px 8px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .highlight-block .highlight-content h3 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
        }
        .highlight-block .highlight-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .highlight-block .highlight-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            background: rgba(27, 58, 92, 0.06);
            color: var(--primary);
            transition: all var(--transition);
        }
        .tag:hover {
            background: rgba(27, 58, 92, 0.14);
        }
        .tag.accent {
            background: rgba(200, 150, 62, 0.1);
            color: var(--accent-dark);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: 12px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            letter-spacing: 0.02em;
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, #1B3A5C 0%, #0F2540 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 24px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            pointer-events: none;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-inner {
                grid-template-columns: 1fr auto;
                gap: 16px;
            }
            .nav-group-right {
                display: none;
            }
            .nav-group-left {
                display: none;
            }
            .nav-logo-wrap {
                justify-self: start;
            }
            .mobile-menu-toggle {
                display: flex;
                justify-self: end;
            }
            .header-inner.menu-open .nav-group-left,
            .header-inner.menu-open .nav-group-right {
                display: flex;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                align-items: stretch;
            }
            .header-inner.menu-open .nav-group-left {
                border-radius: 0;
            }
            .header-inner.menu-open .nav-group-right {
                top: calc(var(--header-height) + 200px);
                border-top: 1px solid var(--border-light);
                padding-top: 12px;
            }
            .header-inner.menu-open .nav-link {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                border-radius: 8px;
            }
            .cards-grid.cols-3,
            .cards-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-block {
                grid-template-columns: 1fr;
            }
            .highlight-block .highlight-img {
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
                min-height: 240px;
            }
            .highlight-block .highlight-content {
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 48px;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .page-hero .hero-stats-row {
                gap: 24px;
            }
            .page-hero .hero-stat-value {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid.cols-3,
            .cards-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .article-card {
                flex-direction: column;
                padding: 16px;
            }
            .article-card-img {
                width: 100%;
                height: 180px;
                border-radius: var(--radius);
            }
            .highlight-block {
                grid-template-columns: 1fr;
            }
            .highlight-block .highlight-img {
                min-height: 200px;
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            }
            .highlight-block .highlight-content {
                padding: 24px 20px;
            }
            .cta-section {
                margin: 0 16px;
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
                gap: 10px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.2rem;
                border-radius: 8px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .page-hero .hero-stats-row {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                margin: 0 8px;
                padding: 32px 18px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .cards-grid {
                gap: 16px;
            }
            .card {
                padding: 20px 16px;
            }
        }