/* roulang page: index */
:root {
            --navy: #0d2137;
            --blue: #1a3a5c;
            --gold: #c9923e;
            --light-gold: #e8c26a;
            --warm: #f5f0e8;
            --gray: #f6f7f9;
            --text: #1a1a2e;
            --muted: #6b7280;
            --border: #e5e7eb;
            --accent: #2c5f8a;
            --white: #ffffff;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-capsule: 50px;
            --shadow-soft: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-medium: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 4px 20px rgba(0, 0, 0, 0.07);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--white);
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== 导航栏 - 悬浮胶囊 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: 1160px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-capsule);
            box-shadow: var(--shadow-nav);
            transition: var(--transition-smooth);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
            top: 8px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 28px;
            height: 56px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--navy);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--navy), var(--blue));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light-gold);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            display: inline-block;
            padding: 9px 18px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--gold);
            background: rgba(201, 146, 62, 0.06);
        }
        .nav-links a.active {
            color: var(--white);
            background: var(--navy);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(13, 33, 55, 0.25);
        }
        .nav-links a.active:hover {
            color: var(--white);
            background: var(--blue);
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--navy);
            color: #fff;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .mobile-menu-btn:hover {
            background: var(--blue);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: #fff;
            z-index: 1001;
            padding: 24px 20px;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-panel .close-btn {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f3f4f6;
            border: none;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: 24px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition-base);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--navy);
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(13, 33, 55, 0.88) 0%,
                    rgba(26, 58, 92, 0.78) 40%,
                    rgba(13, 33, 55, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 120px 0 80px;
            color: #fff;
            max-width: 750px;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 24px;
            background: rgba(232, 194, 106, 0.18);
            border: 1px solid rgba(232, 194, 106, 0.35);
            color: var(--light-gold);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-title span {
            color: var(--light-gold);
        }
        .hero-subtitle {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 10px;
            font-weight: 400;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 680px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition-smooth);
            cursor: pointer;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gold);
            color: #fff;
            box-shadow: 0 4px 18px rgba(201, 146, 62, 0.35);
        }
        .btn-primary:hover {
            background: #b8812e;
            box-shadow: 0 8px 28px rgba(201, 146, 62, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: 22px;
        }
        .btn-ghost {
            background: transparent;
            color: var(--gold);
            border: 1.5px solid var(--gold);
            font-weight: 500;
        }
        .btn-ghost:hover {
            background: var(--gold);
            color: #fff;
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounceDown 2s infinite;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(12px);
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--navy);
            text-align: center;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--muted);
            text-align: center;
            margin-bottom: 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-dark {
            background: var(--navy);
            color: #fff;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-warm {
            background: var(--warm);
        }
        .section-gray {
            background: var(--gray);
        }

        /* ===== 数据统计卡片 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition-smooth);
            backdrop-filter: blur(4px);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--light-gold);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 400;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--light-gold);
            margin-bottom: 10px;
        }

        /* ===== 优势卡片 ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--gold), var(--light-gold));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .advantage-icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--warm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--gold);
            transition: var(--transition-base);
        }
        .advantage-card:hover .advantage-icon-wrap {
            background: var(--gold);
            color: #fff;
            transform: scale(1.08);
        }
        .advantage-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ===== 品牌故事 ===== */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-medium);
            position: relative;
        }
        .story-image-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .story-image-wrap:hover img {
            transform: scale(1.04);
        }
        .story-text h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
        }
        .story-text .story-highlight {
            color: var(--gold);
        }
        .story-text p {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .story-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .story-stat-item {
            text-align: center;
            padding: 16px 20px;
            background: var(--warm);
            border-radius: var(--radius-md);
            min-width: 90px;
        }
        .story-stat-item .ss-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--navy);
        }
        .story-stat-item .ss-label {
            font-size: 0.85rem;
            color: var(--muted);
        }

        /* ===== 分类入口卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .category-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }
        .category-card-img .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 33, 55, 0.55) 0%, transparent 50%);
        }
        .category-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.5;
            flex: 1;
        }
        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--gold);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 8px;
            transition: gap 0.3s ease;
        }
        .category-card:hover .category-card-arrow {
            gap: 10px;
        }

        /* ===== 新闻资讯 ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-date {
            font-size: 0.85rem;
            color: var(--gold);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-excerpt {
            font-size: 0.93rem;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        /* ===== 用户口碑 ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: var(--transition-smooth);
            position: relative;
        }
        .testimonial-card::after {
            content: '\201C';
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 3.5rem;
            color: rgba(201, 146, 62, 0.15);
            line-height: 1;
            pointer-events: none;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            color: var(--navy);
            font-size: 0.95rem;
        }
        .testimonial-role {
            font-size: 0.82rem;
            color: var(--muted);
        }

        /* ===== 合作伙伴 ===== */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 32px 40px;
        }
        .partner-item {
            padding: 16px 24px;
            background: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            color: var(--muted);
            font-size: 1rem;
            transition: var(--transition-base);
            box-shadow: var(--shadow-soft);
            border: 1px solid transparent;
            letter-spacing: 0.5px;
        }
        .partner-item:hover {
            color: var(--navy);
            border-color: var(--gold);
            box-shadow: var(--shadow-medium);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-soft);
        }
        .faq-item:hover {
            border-color: #d0d5dd;
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: #fff;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--navy);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: var(--transition-base);
            letter-spacing: 0.3px;
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: var(--transition-base);
            color: var(--gold);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            padding: 70px 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0a1929;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--light-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr 1fr;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .story-image-wrap img {
                height: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links a {
                padding: 8px 12px;
                font-size: 0.88rem;
            }
            .header-inner {
                padding: 10px 18px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
            }
            .site-header {
                width: calc(100% - 24px);
                top: 10px;
                border-radius: 28px;
            }
            .header-inner {
                height: 50px;
                padding: 8px 16px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1.05rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-content {
                padding: 100px 0 60px;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                gap: 14px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .story-stat-item {
                min-width: 70px;
                padding: 12px 14px;
            }
            .partners-row {
                gap: 16px 20px;
            }
            .partner-item {
                padding: 12px 16px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .category-card-img {
                height: 160px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .story-image-wrap img {
                height: 240px;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0A2540;
            --primary-light: #1a3a5c;
            --accent: #D4AF37;
            --accent-dark: #b8942c;
            --bg: #F8FAFC;
            --bg-white: #FFFFFF;
            --text: #1e293b;
            --text-secondary: #64748b;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.05);
            --shadow-lg: 0 15px 35px rgba(0,0,0,0.08), 0 5px 12px rgba(0,0,0,0.06);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button, input {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        /* Header & Navigation - floating capsule style */
        .site-header {
            position: fixed;
            top: 1rem;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 0 1.5rem;
            pointer-events: none;
        }
        .header-inner {
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border-radius: 40px;
            padding: 0.65rem 1.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 8px 28px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
            border: 1px solid rgba(255,255,255,0.6);
            pointer-events: auto;
            transition: all var(--transition);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            letter-spacing: -0.2px;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.1rem;
        }
        .nav-links {
            list-style: none;
            display: flex;
            gap: 0.25rem;
            align-items: center;
        }
        .nav-links li a {
            display: block;
            padding: 0.6rem 1.05rem;
            border-radius: 28px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            background: rgba(10,37,64,0.05);
            color: var(--primary);
        }
        .nav-links li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(10,37,64,0.25);
        }
        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 50%;
            transition: background var(--transition);
        }
        .mobile-menu-btn:hover {
            background: rgba(10,37,64,0.06);
        }
        /* main layout */
        main {
            margin-top: calc(var(--header-height) + 1.5rem);
            flex: 1;
        }
        .page-title-section {
            background: linear-gradient(135deg, var(--primary) 0%, #0d2847 100%);
            color: #fff;
            padding: 4rem 0 3.5rem;
            text-align: center;
            border-radius: 0 0 40px 40px;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
        .page-title-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
        }
        .page-title-content {
            position: relative;
            z-index: 1;
        }
        .page-title-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
        }
        .page-title-content p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            margin: 0 auto 1rem;
            line-height: 1.7;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        /* section spacing */
        .section {
            margin-bottom: 4rem;
        }
        .section-title {
            text-align: center;
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            font-size: 1rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        /* cards */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 1.2rem;
            width: 52px;
            height: 52px;
            background: rgba(212,175,55,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
        }
        .card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: var(--primary);
        }
        .card p {
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .article-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .article-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-body h4 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--primary);
        }
        .article-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            flex: 1;
        }
        .btn {
            display: inline-block;
            padding: 0.65rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            text-align: center;
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: #1b3f60;
            box-shadow: 0 8px 18px rgba(10,37,64,0.25);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 700;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
        }
        /* FAQ */
        .faq-list details {
            background: #fff;
            border-radius: var(--radius);
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 0.2rem 1.6rem;
            transition: all var(--transition);
        }
        .faq-list details[open] {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .faq-list summary {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.2rem 0;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--primary);
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            transition: transform var(--transition);
            color: var(--text-secondary);
        }
        .faq-list details[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding-bottom: 1.3rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(105deg, #0A2540 0%, #14365c 100%);
            border-radius: 36px;
            padding: 3.5rem 2.5rem;
            text-align: center;
            color: #fff;
            margin: 3rem 0;
            box-shadow: var(--shadow-lg);
        }
        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }
        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: 3.5rem 0 1.5rem;
            margin-top: 2rem;
            border-radius: 40px 40px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 2rem;
        }
        .footer-brand p {
            margin-top: 0.8rem;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 0.6rem;
        }
        .footer-col a {
            color: rgba(255,255,255,0.7);
            transition: color var(--transition);
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        /* responsiveness */
        @media (max-width: 1024px) {
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .nav-links li a { padding: 0.5rem 0.8rem; font-size: 0.85rem; }
        }
        @media (max-width: 768px) {
            .header-inner { border-radius: 28px; padding: 0.5rem 1.2rem; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 1.5rem;
                right: 1.5rem;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                border-radius: 24px;
                box-shadow: var(--shadow-lg);
                padding: 1rem;
                gap: 0.2rem;
            }
            .nav-links.show { display: flex; }
            .mobile-menu-btn { display: block; }
            .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .page-title-content h1 { font-size: 1.9rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-section { border-radius: 24px; padding: 2.5rem 1.5rem; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 1rem; padding-right: 1rem; }
            .header-inner { padding: 0.5rem 1rem; }
        }

/* roulang page: category1 */
:root {
            --primary: #0f2b46;
            --primary-light: #1a3f63;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-glow: #e8c97a;
            --bg: #ffffff;
            --bg-soft: #f7f9fc;
            --bg-card: #ffffff;
            --text: #1a1a1a;
            --text-soft: #5a5f6b;
            --text-muted: #8b919e;
            --border: #e2e7ef;
            --border-light: #edf1f7;
            --shadow-sm: 0 1px 3px rgba(15, 43, 70, 0.06);
            --shadow: 0 4px 16px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 43, 70, 0.12);
            --shadow-xl: 0 20px 60px rgba(15, 43, 70, 0.16);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        ul {
            list-style: none;
        }

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

        /* Header - 悬浮胶囊导航 */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: var(--max-width);
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 40px;
            border: 1px solid rgba(200, 150, 62, 0.2);
            box-shadow: 0 8px 32px rgba(15, 43, 70, 0.12), 0 2px 8px rgba(15, 43, 70, 0.06);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 12px 40px rgba(15, 43, 70, 0.18), 0 2px 10px rgba(15, 43, 70, 0.08);
            border-color: rgba(200, 150, 62, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 28px;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: var(--transition);
        }

        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(200, 150, 62, 0.35);
            flex-shrink: 0;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

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

        .nav-links li a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(15, 43, 70, 0.3);
        }

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

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--primary-light);
            transform: scale(1.04);
        }

        /* Main */
        .page-main {
            flex: 1;
            padding-top: calc(var(--header-height) + 32px);
        }

        /* Category Hero */
        .cat-hero {
            position: relative;
            padding: 60px 0 56px;
            background: linear-gradient(170deg, #f0f4fa 0%, #e8edf5 30%, #f7f9fc 100%);
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 43, 70, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .cat-hero-content {
            flex: 1 1 420px;
            min-width: 0;
        }

        .cat-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .cat-hero-content h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 14px;
        }

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

        .cat-hero-content h1 span::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 4px;
            background: rgba(200, 150, 62, 0.3);
            border-radius: 2px;
        }

        .cat-hero-desc {
            font-size: 1.05rem;
            color: var(--text-soft);
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 8px;
        }

        .cat-hero-image {
            flex: 0 0 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 3px solid #fff;
            position: relative;
            z-index: 3;
        }

        .cat-hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 42px;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }

        .section-header .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-header .accent-line {
            display: block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
        }

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

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

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

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(200, 150, 62, 0.25);
        }

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

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

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

        .card-icon.teal {
            background: rgba(20, 130, 120, 0.08);
            color: #148278;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }

        .card p {
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(200, 150, 62, 0.1);
            color: var(--accent);
            align-self: flex-start;
        }

        /* Feature list */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

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

        .feature-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(200, 150, 62, 0.2);
        }

        .feature-item .fi-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(15, 43, 70, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .feature-item .fi-body h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .feature-item .fi-body p {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* Step timeline */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }

        .steps-list::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), var(--accent-light), transparent);
            border-radius: 1px;
        }

        .step-item {
            position: relative;
            padding: 16px 0 24px 20px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-num {
            position: absolute;
            left: -40px;
            top: 14px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            box-shadow: 0 4px 12px rgba(15, 43, 70, 0.25);
        }

        .step-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .step-content h4 {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            font-size: 1.02rem;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, #1a3f63 60%, #0f2b46 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-block h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }

        .cta-block p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.45);
            transform: translateY(-2px);
        }

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

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

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(15, 43, 70, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(15, 43, 70, 0.4);
        }

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

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

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

        .faq-q {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            gap: 12px;
            transition: var(--transition);
        }

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

        .faq-q i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .faq-a {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.75;
            display: none;
        }

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

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

        .faq-item.open {
            border-color: rgba(200, 150, 62, 0.3);
            box-shadow: var(--shadow);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-top: 12px;
        }

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

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

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

        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.6;
        }

        .footer-bottom p {
            max-width: 640px;
            margin: 0 auto;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-hero .container {
                flex-direction: column;
                text-align: center;
                gap: 32px;
            }
            .cat-hero-content {
                flex: 1 1 auto;
            }
            .cat-hero-desc {
                max-width: 100%;
                margin: 0 auto 8px;
            }
            .cat-hero-image {
                flex: 0 0 auto;
                max-width: 380px;
                width: 100%;
            }
            .cards-grid.cols-2,
            .cards-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: 28px;
            }
            .header-inner {
                padding: 0 16px;
                height: 56px;
            }
            .logo-link {
                font-size: 1.05rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.9rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 8px;
                right: 8px;
                background: #fff;
                border-radius: 20px;
                flex-direction: column;
                padding: 12px 8px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-light);
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 16px;
                border-radius: 14px;
                text-align: center;
                font-size: 0.9rem;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .cat-hero {
                padding: 40px 0 36px;
            }
            .cat-hero-content h1 {
                font-size: 1.7rem;
            }
            .cards-grid,
            .cards-grid.cols-2,
            .cards-grid.cols-3 {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h2 {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .steps-list {
                padding-left: 30px;
            }
            .steps-list::before {
                left: 14px;
            }
            .step-num {
                left: -30px;
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
                top: 16px;
            }
            .step-item {
                padding-left: 14px;
            }
        }

        @media (max-width: 520px) {
            .cat-hero-content h1 {
                font-size: 1.5rem;
            }
            .cat-hero-desc {
                font-size: 0.9rem;
            }
            .cat-hero-image {
                max-width: 100%;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .card {
                padding: 20px 16px;
            }
            .feature-item {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3a5c;
            --primary-light: #1f4d7a;
            --primary-dark: #0f2a45;
            --accent: #c9a96e;
            --accent-light: #d9bc8a;
            --accent-dark: #b08a4c;
            --bg: #f8f9fa;
            --bg-white: #ffffff;
            --bg-light: #eef1f5;
            --bg-dark: #0f2a45;
            --text: #1a1a2e;
            --text-light: #4a4a5e;
            --text-muted: #7a7a8e;
            --text-white: #ffffff;
            --border: #e2e6ec;
            --border-light: #edf0f4;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

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

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

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

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

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

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 32px);
            max-width: var(--max-width);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition);
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 10px;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            background: rgba(26, 58, 92, 0.06);
            color: var(--primary);
        }

        .nav-links li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(26, 58, 92, 0.25);
        }

        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 90px;
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                padding: 16px;
                gap: 2px;
                display: none;
                z-index: 999;
                border: 1px solid var(--border);
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                text-align: center;
                border-radius: var(--radius);
                font-size: 0.95rem;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .header-inner {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: var(--radius-xl);
            }

            .header-inner {
                height: 56px;
                padding: 0 12px;
            }

            .logo-link {
                font-size: 1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.9rem;
            }

            .nav-links {
                top: 70px;
                left: 8px;
                right: 8px;
                border-radius: var(--radius);
            }
        }

        /* Page Hero */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(170deg, #f0f4f8 0%, #e8edf3 30%, #f8f9fa 100%);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 58, 92, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .breadcrumb .separator {
            color: var(--border);
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hero-title .accent {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stat-item {
            text-align: center;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            min-width: 100px;
            border: 1px solid var(--border-light);
        }

        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 50px;
            }

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats-row {
                gap: 12px;
            }

            .hero-stat-item {
                flex: 1 1 80px;
                padding: 12px 10px;
                min-width: 70px;
            }

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

        @media (max-width: 520px) {
            .page-hero {
                padding: 100px 0 40px;
            }

            .hero-title {
                font-size: 1.5rem;
            }

            .hero-subtitle {
                font-size: 0.92rem;
            }
        }

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

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

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(26, 58, 92, 0.06);
            color: var(--primary);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.01em;
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

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

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

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

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: 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: transparent;
        }

        .card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .card-icon-wrap.blue {
            background: rgba(26, 58, 92, 0.1);
            color: var(--primary);
        }

        .card-icon-wrap.gold {
            background: rgba(201, 169, 110, 0.15);
            color: var(--accent-dark);
        }

        .card-icon-wrap.teal {
            background: rgba(20, 140, 130, 0.1);
            color: #148c82;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }

        .card p {
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.7;
            flex-grow: 1;
        }

        .card .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--bg-light);
            color: var(--primary);
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 640px) {
            .cards-grid,
            .cards-grid.two-col {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .card {
                padding: 20px 16px;
            }

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

        /* Content Block with Image */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

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

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

        .content-block .text-col h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .content-block .text-col p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .content-block .text-col .highlight-box {
            background: rgba(201, 169, 110, 0.08);
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-top: 16px;
            font-weight: 500;
            color: var(--text);
        }

        .content-block .img-col {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .content-block .img-col img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .content-block .text-col h2 {
                font-size: 1.4rem;
            }

            .content-block .img-col {
                aspect-ratio: 16/9;
                order: -1;
            }
        }

        /* Timeline / Process */
        .process-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }

        .process-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-white);
            padding: 20px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .process-body h4 {
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            font-size: 1.05rem;
        }

        .process-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

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

            .process-num {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }

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

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

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

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

        .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: var(--transition);
            color: var(--text-muted);
        }

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

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

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.98rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.45);
        }

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

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

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }

            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .cta-btns {
                flex-direction: column;
                align-items: center;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }

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

        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin-top: 12px;
            font-size: 0.88rem;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }

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

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

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

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.82rem;
            line-height: 1.6;
        }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Utility */
        .bg-light-alt {
            background: var(--bg-white);
        }

/* roulang page: category3 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1f4d78;
            --primary-dark: #0f2840;
            --accent: #d4940b;
            --accent-light: #f0b429;
            --accent-glow: rgba(212, 148, 11, 0.25);
            --bg: #f7f8fa;
            --bg-white: #ffffff;
            --bg-light: #eef1f5;
            --bg-card: #ffffff;
            --text: #1a1f2b;
            --text-secondary: #5a6275;
            --text-muted: #8b92a5;
            --text-on-dark: #e8ecf2;
            --border: #e0e4ea;
            --border-light: #edf0f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 18px 48px rgba(0, 0, 0, 0.13), 0 6px 16px rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 68px;
            --nav-bg: rgba(255, 255, 255, 0.92);
            --nav-blur: blur(14px);
        }

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

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: var(--nav-bg);
            backdrop-filter: var(--nav-blur);
            -webkit-backdrop-filter: var(--nav-blur);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .logo-link:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(240, 242, 246, 0.55);
            border-radius: var(--radius-full);
            padding: 5px 6px;
            border: 1px solid var(--border-light);
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.06);
        }
        .nav-links li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.3);
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text);
            background: var(--bg-light);
            transition: all var(--transition);
        }
        .mobile-menu-btn:hover {
            background: #dde2ea;
        }
        .mobile-menu-btn i {
            pointer-events: none;
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            margin-top: var(--header-height);
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f2840 0%, #1a3c5e 40%, #1f4d78 100%);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 40, 64, 0.55) 0%, rgba(26, 60, 94, 0.8) 100%);
            z-index: 0;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding-top: 30px;
            padding-bottom: 30px;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition);
        }
        .page-banner .breadcrumb a:hover {
            color: #fff;
        }
        .page-banner .breadcrumb span {
            color: rgba(255, 255, 255, 0.5);
        }
        .page-banner h1 {
            font-size: 2.2rem;
            color: #fff;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin: 0;
        }
        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.6;
        }
        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }
        .page-banner .banner-tags span {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.2);
            white-space: nowrap;
        }

        /* ============ MAIN ============ */
        main {
            flex: 1;
        }
        .section {
            padding: 60px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--primary-dark);
            color: var(--text-on-dark);
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .section-title.center {
            text-align: center;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 36px;
        }
        .section-subtitle.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ CARDS ============ */
        .card {
            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);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d5dbe5;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8ecf2;
            flex-shrink: 0;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
        }
        .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(212, 148, 11, 0.1);
            color: var(--accent);
            align-self: flex-start;
        }
        .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .badge-accent {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(26, 60, 94, 0.08);
            color: var(--primary);
        }

        /* Grid */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ============ STRATEGY DETAIL BLOCK ============ */
        .strategy-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 44px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .strategy-block:last-child {
            border-bottom: none;
        }
        .strategy-block.reverse {
            direction: rtl;
        }
        .strategy-block.reverse>* {
            direction: ltr;
        }
        .strategy-block .strategy-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            background: #e8ecf2;
        }
        .strategy-block .strategy-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .strategy-block .strategy-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .strategy-block .strategy-content p {
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        .strategy-block .strategy-content .highlight-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        /* ============ COMPARISON TABLE ============ */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin: 24px 0;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }
        .compare-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            text-align: center;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .compare-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
            text-align: left;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody td {
            padding: 13px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 0.87rem;
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }
        .compare-table tbody tr:nth-child(even) td {
            background: #f9fafc;
        }
        .compare-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-lg);
        }
        .compare-table tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius-lg) 0;
        }
        .table-star {
            color: var(--accent);
            font-size: 1rem;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: #cdd3dd;
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text);
            user-select: none;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ============ CTA ============ */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #235d8a 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .cta-box>* {
            position: relative;
            z-index: 1;
        }
        .cta-box h2 {
            color: #fff;
            font-size: 1.6rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ BUTTONS ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 14px var(--accent-glow);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: 0 6px 20px rgba(212, 148, 11, 0.35);
            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-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            background: #f0f2f5;
            border-color: #f0f2f5;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 0.8rem;
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            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-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ NEWS LIST ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .news-list .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            flex-wrap: wrap;
        }
        .news-list .news-item:last-child {
            border-bottom: none;
        }
        .news-list .news-item:hover {
            background: #fafbfd;
        }
        .news-list .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 80px;
        }
        .news-list .news-title {
            flex: 1;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text);
            min-width: 180px;
        }
        .news-list .news-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            flex: 1;
            min-width: 150px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0f1e30;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.65;
            margin-top: 10px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .site-footer .footer-brand .logo-link {
            color: #fff;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .strategy-block.reverse {
                direction: ltr;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner {
                min-height: 260px;
            }
            .nav-links {
                gap: 2px;
                padding: 4px 5px;
            }
            .nav-links li a {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 12px;
                right: 12px;
                flex-direction: column;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-xl);
                padding: 16px 12px;
                gap: 4px;
                border: 1px solid var(--border-light);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 11px 16px;
                border-radius: var(--radius-md);
                font-size: 0.9rem;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .section {
                padding: 40px 0;
            }
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .compare-table-wrap {
                margin: 16px -16px;
                border-radius: 0;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.84rem;
            }
            .news-list .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding: 14px 16px;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .page-banner {
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .page-banner .banner-desc {
                font-size: 0.82rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
            .btn-lg {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .section {
                padding: 32px 0;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-body h3 {
                font-size: 1rem;
            }
            .strategy-block {
                padding: 28px 0;
            }
            .strategy-block .strategy-content h3 {
                font-size: 1.15rem;
            }
            .page-banner .banner-tags span {
                padding: 4px 10px;
                font-size: 0.72rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-light: #1e5080;
            --color-primary-dark: #0f2840;
            --color-accent: #d4a843;
            --color-accent-light: #e8c56d;
            --color-accent-dark: #b8912e;
            --color-bg: #f8f9fb;
            --color-white: #ffffff;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #4a4a5e;
            --color-text-muted: #7a7a8e;
            --color-text-light: #9a9aae;
            --color-border: #e2e4ea;
            --color-border-light: #eef0f4;
            --color-success: #2e7d55;
            --color-warning: #e8952e;
            --color-danger: #c0392b;
            --color-info: #3b7db5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.1), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.07);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1240px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-text);
        }
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            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 28px;
            height: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(248, 249, 251, 0.7);
            border-radius: var(--radius-full);
            padding: 5px 8px;
            border: 1px solid var(--color-border-light);
        }
        .nav-links li a {
            display: block;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 94, 0.06);
        }
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(26, 60, 94, 0.3);
        }
        .nav-links li a.active:hover {
            color: #fff;
            background: var(--color-primary-light);
        }
        .mobile-menu-btn {
            display: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #0f2840 0%, #1a3c5e 40%, #1e5080 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            padding: 80px 0 70px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 40, 64, 0.75) 0%, rgba(26, 60, 94, 0.85) 60%, rgba(15, 40, 64, 0.9) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-breadcrumb {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .banner-breadcrumb a:hover {
            color: var(--color-accent-light);
        }
        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .banner-breadcrumb .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
        }
        .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
        }
        .banner-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .banner-stat-item .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.3;
        }

        /* ============ MAIN CONTENT ============ */
        main {
            flex: 1;
            padding-bottom: 0;
        }
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-alt {
            background: var(--color-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }
        .section-title {
            text-align: center;
            margin-bottom: 12px;
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-text);
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-muted);
            font-size: 1rem;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ LEAGUE CARDS GRID ============ */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 10px;
        }
        .league-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .league-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .league-card .league-badge {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0;
        }
        .league-card .league-badge.premier {
            background: linear-gradient(135deg, #3d195b, #6b2fa0);
        }
        .league-card .league-badge.laliga {
            background: linear-gradient(135deg, #c8322a, #e85d3a);
        }
        .league-card .league-badge.seriea {
            background: linear-gradient(135deg, #0a4a7a, #1a7ab5);
        }
        .league-card .league-badge.bundesliga {
            background: linear-gradient(135deg, #c4202b, #e04040);
        }
        .league-card .league-badge.ligue1 {
            background: linear-gradient(135deg, #1b3a6b, #2d5fa0);
        }
        .league-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .league-card .card-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }
        .league-card .card-arrow {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 500;
            transition: transform var(--transition-fast);
        }
        .league-card:hover .card-arrow {
            transform: translateX(4px);
        }

        /* ============ NEWS LIST ============ */
        .news-list-large {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-item-lg {
            display: flex;
            gap: 22px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .news-item-lg:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .news-item-lg .news-thumb {
            width: 180px;
            height: 120px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: #eef0f4;
        }
        .news-item-lg .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-lg .news-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(26, 60, 94, 0.08);
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .news-item-lg h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item-lg .news-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item-lg .news-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .news-read-more {
            display: inline-block;
            margin-top: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }
        .news-read-more:hover {
            color: var(--color-accent-dark);
        }
        .news-read-more i {
            font-size: 0.7rem;
            margin-left: 3px;
            transition: transform var(--transition-fast);
        }
        .news-read-more:hover i {
            transform: translateX(3px);
        }

        /* ============ DATA STATS ROW ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: rgba(26, 60, 94, 0.07);
            color: var(--color-primary);
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-card .stat-label-text {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ============ DEEP ANALYSIS ============ */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .analysis-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .analysis-card .card-img-wrap {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .analysis-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .analysis-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .analysis-card .card-body {
            padding: 20px 18px;
        }
        .analysis-card .card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 9px;
            border-radius: var(--radius-full);
            background: rgba(212, 168, 67, 0.12);
            color: var(--color-accent-dark);
            display: inline-block;
            margin-bottom: 8px;
        }
        .analysis-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .analysis-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(150deg, #0f2840 0%, #1a3c5e 50%, #1e5080 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 64px 0;
            color: #fff;
            text-align: center;
            position: relative;
            border-radius: var(--radius-xl);
            margin: 40px 28px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 40, 64, 0.8);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            color: #fff;
            box-shadow: 0 6px 22px rgba(212, 168, 67, 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);
            color: #fff;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.82rem;
            border-radius: var(--radius-full);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(26, 60, 94, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-base);
            color: var(--color-primary);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0f1a28;
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1100px) {
            .league-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .league-card:nth-child(4),
            .league-card:nth-child(5) {
                grid-column: span 1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .analysis-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .nav-links li a {
                padding: 8px 13px;
                font-size: 0.84rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 12px 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
                border: 1px solid var(--color-border-light);
                border-top: none;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                border-radius: var(--radius-md);
                padding: 10px 16px;
                font-size: 0.9rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .league-card {
                padding: 20px 14px 16px;
            }
            .league-card .league-badge {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
            .league-card h3 {
                font-size: 0.9rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.7rem;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-item-lg {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-item-lg .news-thumb {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .page-banner {
                padding: 50px 0 44px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stats-row {
                gap: 16px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                margin: 24px 16px 0;
                padding: 40px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .league-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .league-card {
                padding: 16px 10px 14px;
                border-radius: var(--radius-md);
            }
            .league-card .league-badge {
                width: 38px;
                height: 38px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .league-card h3 {
                font-size: 0.82rem;
            }
            .league-card .card-meta {
                font-size: 0.72rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 10px;
                border-radius: var(--radius-md);
            }
            .stat-card .stat-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .stat-card .stat-value {
                font-size: 1.4rem;
            }
            .stat-card .stat-label-text {
                font-size: 0.78rem;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-desc {
                font-size: 0.85rem;
            }
            .banner-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .news-item-lg .news-thumb {
                height: 130px;
            }
            .news-item-lg h3 {
                font-size: 0.95rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 16px 14px;
            }
            .faq-answer {
                padding: 0 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 14px 16px;
            }
        }