/* roulang page: index */
:root {
            --primary: #c9a96e;
            --primary-dark: #a8884d;
            --primary-light: #e0cd9f;
            --secondary: #1a1a2e;
            --secondary-light: #252540;
            --accent: #e8c97a;
            --accent-warm: #d4a853;
            --bg-warm: #faf8f4;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #374151;
            --text-muted: #6b7280;
            --text-light: #f3f4f6;
            --border-soft: #e5e0d8;
            --border-medium: #d1ccc4;
            --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);
            --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.12);
            --shadow-xl: 0 20px 60px rgba(26, 26, 46, 0.16);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --nav-height: 4rem;
        }

        *,
        *::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);
            line-height: 1.7;
            color: var(--text-body);
            background-color: #fefdfb;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: var(--secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
            background: rgba(26, 26, 46, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        .logo-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            z-index: 1001;
        }
        .logo-brand .logo-icon {
            width: 2rem;
            height: 2rem;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent-warm));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #1a1a2e;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            color: #c5c5d2;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active-nav {
            color: var(--accent);
            background: rgba(201, 169, 110, 0.1);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, var(--primary), var(--accent-warm));
            color: #1a1a2e;
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 2px 12px rgba(201, 169, 110, 0.3);
        }
        .nav-cta:hover {
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.45);
            transform: translateY(-1px);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 0.4rem;
            z-index: 1001;
            cursor: pointer;
            width: 2.5rem;
            height: 2.5rem;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 999;
            flex-direction: column;
            padding: 1.5rem 2rem;
            gap: 0.5rem;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.85rem 1.2rem;
            border-radius: var(--radius-md);
            color: #c5c5d2;
            font-size: 1.05rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active-nav {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active-nav {
            color: var(--accent);
            background: rgba(201, 169, 110, 0.1);
            font-weight: 600;
        }
        .mobile-menu .mobile-cta {
            margin-top: 0.75rem;
            text-align: center;
            background: linear-gradient(135deg, var(--primary), var(--accent-warm));
            color: #1a1a2e;
            font-weight: 600;
            border-radius: 2rem;
            padding: 0.85rem 1.5rem;
            font-size: 1rem;
        }

        /* Hero 分屏 */
        .hero-section {
            padding-top: var(--nav-height);
            display: grid;
            grid-template-columns: 1fr;
            min-height: 100vh;
        }
        .hero-left {
            background: var(--secondary);
            display: flex;
            align-items: center;
            padding: 3rem 2rem 4rem;
            position: relative;
            overflow: hidden;
        }
        .hero-left::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-left-inner {
            max-width: 560px;
            margin: 0 auto;
            width: 100%;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            background: rgba(201, 169, 110, 0.15);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 1.25rem;
            border: 1px solid rgba(201, 169, 110, 0.25);
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: 0.03em;
            margin-bottom: 1rem;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent-warm));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: #b0b0c0;
            margin-bottom: 1.5rem;
            line-height: 1.7;
            max-width: 460px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, var(--primary), var(--accent-warm));
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(201, 169, 110, 0.35);
        }
        .btn-primary-hero:hover {
            box-shadow: 0 8px 32px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            border-radius: 2rem;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-base);
        }
        .btn-outline-hero:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .hero-right {
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 320px;
            position: relative;
        }
        .hero-right::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(26, 26, 46, 0.25), rgba(26, 26, 46, 0.5));
            pointer-events: none;
        }

        /* 通用板块 */
        .section-block {
            padding: 4rem 2rem;
        }
        .section-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--primary-dark);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .section-desc {
            color: var(--text-muted);
            max-width: 640px;
            font-size: 1rem;
            line-height: 1.7;
        }
        .card-base {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-medium);
        }

        /* 数据统计 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            text-align: center;
            padding: 2rem 1.25rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        /* 品牌介绍 */
        .brand-intro-block {
            background: var(--bg-warm);
            border-radius: var(--radius-2xl);
            padding: 2.5rem 2rem;
            border: 1px solid var(--border-soft);
            line-height: 1.85;
            color: var(--text-body);
            font-size: 1.02rem;
        }

        /* 优势卡片 */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .adv-card {
            padding: 2rem 1.5rem;
            text-align: center;
        }
        .adv-icon {
            width: 3.5rem;
            height: 3.5rem;
            border-radius: var(--radius-md);
            background: rgba(201, 169, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.5rem;
            color: var(--primary-dark);
        }
        .adv-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .adv-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 品牌故事 */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 赛事卡片 */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .event-card .event-img {
            height: 200px;
            overflow: hidden;
        }
        .event-card .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .event-img img {
            transform: scale(1.06);
        }
        .event-card-body {
            padding: 1.25rem;
        }
        .event-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(201, 169, 110, 0.12);
            color: var(--primary-dark);
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
        }
        .event-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
            margin-bottom: 0.35rem;
            line-height: 1.4;
        }
        .event-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* 用户评价 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .testimonial-card {
            padding: 2rem 1.5rem;
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: rgba(201, 169, 110, 0.2);
            position: absolute;
            top: 0.5rem;
            left: 1.25rem;
            font-family: serif;
            line-height: 1;
            pointer-events: none;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-dark);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .faq-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color var(--transition-fast);
            cursor: pointer;
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--primary-dark);
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.93rem;
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* 新闻 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .news-card .news-img {
            height: 180px;
            overflow: hidden;
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-img img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 1.25rem;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
        }
        .news-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0.75rem;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-dark);
            transition: all var(--transition-fast);
        }
        .btn-read-more:hover {
            gap: 0.55rem;
            color: var(--accent-warm);
        }

        /* CTA */
        .cta-section {
            background: var(--secondary);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            color: #b0b0c0;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9rem 2.2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, var(--primary), var(--accent-warm));
            color: #1a1a2e;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 6px 28px rgba(201, 169, 110, 0.4);
            position: relative;
            z-index: 1;
        }
        .btn-cta-large:hover {
            box-shadow: 0 10px 36px rgba(201, 169, 110, 0.55);
            transform: translateY(-3px);
        }

        /* 页脚 */
        .site-footer {
            background: #141420;
            color: #9a9aad;
            padding: 3rem 2rem 1.5rem;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            margin-top: 0.75rem;
            color: #8a8a9d;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #d0d0dd;
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: #9a9aad;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: #6a6a7d;
        }

        /* 合作伙伴 */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 2.5rem;
            padding: 1.5rem 0;
        }
        .partner-item {
            font-size: 1rem;
            font-weight: 600;
            color: #9a9aad;
            letter-spacing: 0.04em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            color: var(--accent);
        }

        @media (min-width: 1024px) {
            .hero-section {
                grid-template-columns: 5fr 7fr;
            }
            .hero-left {
                padding: 4rem 3rem 5rem;
            }
            .hero-right {
                min-height: auto;
            }
        }
        @media (max-width: 1023px) {
            .hero-section {
                grid-template-columns: 1fr;
            }
            .hero-left {
                padding: 2.5rem 1.5rem 3rem;
                text-align: center;
            }
            .hero-left-inner {
                margin: 0 auto;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-right {
                min-height: 380px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                display: none;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .section-block {
                padding: 2.5rem 1rem;
            }
            .header-inner {
                padding: 0 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .partner-row {
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .mobile-menu {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #d4a853;
            --color-primary-hover: #c49535;
            --color-primary-light: #fef9e7;
            --color-dark: #0f1522;
            --color-dark-700: #1e2538;
            --color-dark-600: #2d3448;
            --color-body: #1e293b;
            --color-muted: #64748b;
            --color-light-muted: #94a3b8;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-border: #e2e8f0;
            --color-border-light: #e8ecf1;
            --color-white: #ffffff;
            --color-success: #10b981;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 21, 34, 0.06), 0 1px 2px rgba(15, 21, 34, 0.04);
            --shadow-md: 0 4px 14px rgba(15, 21, 34, 0.08), 0 2px 6px rgba(15, 21, 34, 0.04);
            --shadow-lg: 0 10px 32px rgba(15, 21, 34, 0.10), 0 4px 10px rgba(15, 21, 34, 0.05);
            --shadow-xl: 0 18px 48px rgba(15, 21, 34, 0.13), 0 6px 16px rgba(15, 21, 34, 0.06);
            --shadow-card-hover: 0 14px 38px rgba(15, 21, 34, 0.12), 0 6px 14px rgba(15, 21, 34, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --header-height: 68px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== 容器 ========== */
        .container-site {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-dark);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #d4a853 0%, #b8923a 100%);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(180, 140, 50, 0.3);
        }

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

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

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

        .nav-links a.active-nav {
            color: var(--color-primary);
            font-weight: 600;
            background: var(--color-primary-light);
            border-radius: var(--radius-sm);
        }

        .nav-links a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 1px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            background: linear-gradient(135deg, #d4a853 0%, #b8923a 100%);
            color: #fff !important;
            transition: all var(--transition-base);
            box-shadow: 0 3px 12px rgba(180, 140, 50, 0.28);
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(180, 140, 50, 0.38);
            background: linear-gradient(135deg, #e0b85e 0%, #c49a40 100%);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(180, 140, 50, 0.25);
        }

        .hamburger-btn {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            color: var(--color-dark);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 11px;
                font-size: 0.85rem;
            }
            .nav-cta {
                padding: 7px 15px;
                font-size: 0.83rem;
            }
            .logo-brand {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 33px;
                height: 33px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 10px 20px 20px;
                gap: 0;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-links.mobile-open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 13px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
                border-bottom: 1px solid var(--color-border-light);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active-nav::after {
                display: none;
            }
            .nav-links a.active-nav {
                border-left: 3px solid var(--color-primary);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            }
            .desktop-cta {
                display: none !important;
            }
            .nav-links .mobile-cta-clone {
                display: flex !important;
                justify-content: center;
                margin-top: 10px;
                border-radius: 24px;
                background: linear-gradient(135deg, #d4a853 0%, #b8923a 100%);
                color: #fff !important;
                font-weight: 600;
                border: none;
                text-align: center;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        @media (min-width: 769px) {
            .nav-links {
                transform: none !important;
                opacity: 1 !important;
                pointer-events: auto !important;
                position: static;
                flex-direction: row;
                background: transparent;
                box-shadow: none;
                border: none;
                padding: 0;
            }
            .nav-links .mobile-cta-clone {
                display: none !important;
            }
        }

        /* ========== 内页 Banner ========== */
        .inner-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background-color: var(--color-dark-700);
            isolation: isolate;
        }

        .inner-banner .banner-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            opacity: 0.45;
        }

        .inner-banner .banner-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(15, 21, 34, 0.82) 0%, rgba(15, 21, 34, 0.7) 60%, rgba(15, 21, 34, 0.88) 100%);
        }

        .inner-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 50px 24px;
            max-width: 780px;
            margin: 0 auto;
        }

        .inner-banner .banner-badge {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(212, 168, 83, 0.2);
            color: #f0d48a;
            border: 1px solid rgba(212, 168, 83, 0.35);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .inner-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .inner-banner .banner-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
            line-height: 1.7;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .inner-banner {
                min-height: 260px;
            }
            .inner-banner h1 {
                font-size: 1.8rem;
            }
            .inner-banner .banner-desc {
                font-size: 0.95rem;
            }
            .inner-banner .banner-content {
                padding: 36px 20px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 60px 0;
        }

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

        .section-block.dark-bg {
            background: var(--color-dark);
            color: #e2e8f0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-primary-light);
            color: #8f6f2b;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 8px 0;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            font-size: 0.98rem;
            color: var(--color-muted);
            margin: 0;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .dark-bg .section-header h2 {
            color: #fff;
        }
        .dark-bg .section-header .section-subtitle {
            color: #cbd5e1;
        }
        .dark-bg .section-header .section-tag {
            background: rgba(212, 168, 83, 0.18);
            color: #f0d48a;
            border: 1px solid rgba(212, 168, 83, 0.3);
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 赛事卡片 ========== */
        .event-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
            border-color: #d4c8a8;
        }

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

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

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

        .event-card .card-badge-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            background: #d4a853;
            color: #fff;
            letter-spacing: 0.03em;
            z-index: 2;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
        }

        .event-card .card-badge-tag.live-tag {
            background: #ef4444;
            animation: pulse-live 1.8s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
        }

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

        .event-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 8px 0;
            line-height: 1.4;
            letter-spacing: -0.01em;
        }

        .event-card .card-body .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--color-muted);
            margin-bottom: 10px;
        }

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

        .event-card .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin: 0 0 14px 0;
            flex: 1;
        }

        .event-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.88rem;
            color: #d4a853;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .event-card .card-body .card-link:hover {
            gap: 9px;
            color: #b8923a;
        }

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

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

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

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

        .stat-card .stat-icon {
            font-size: 2rem;
            color: #d4a853;
            margin-bottom: 8px;
        }

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--color-muted);
            margin-top: 4px;
        }

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

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

        .faq-item:hover {
            border-color: #d4c8a8;
        }

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

        .faq-item .faq-question:hover {
            color: #d4a853;
        }

        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-alt);
            color: var(--color-muted);
            font-size: 0.8rem;
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: #d4a853;
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

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

        /* ========== CTA 板块 ========== */
        .cta-block {
            background: linear-gradient(135deg, #1e2538 0%, #0f1522 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(212, 168, 83, 0.13) 0%, transparent 60%);
            z-index: 0;
            pointer-events: none;
        }

        .cta-block>* {
            position: relative;
            z-index: 1;
        }

        .cta-block h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 0 0 10px 0;
            letter-spacing: -0.01em;
        }

        .cta-block p {
            font-size: 1rem;
            color: #cbd5e1;
            margin: 0 0 24px 0;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: linear-gradient(135deg, #d4a853 0%, #b8923a 100%);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(180, 140, 50, 0.35);
            letter-spacing: 0.02em;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(180, 140, 50, 0.45);
        }

        .btn-cta-primary:active {
            transform: translateY(0);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-dark);
            color: #cbd5e1;
            padding: 50px 0 0;
            margin-top: 60px;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e2e8f0;
            margin: 0 0 14px 0;
            letter-spacing: 0.01em;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #94a3b8;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #f0d48a;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 18px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
        }

        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-inner>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 480px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }

        /* ========== 分隔线 ========== */
        .divider-light {
            border: none;
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
        }

        /* ========== 辅助 ========== */
        .text-gold {
            color: #d4a853;
        }
        .font-bold {
            font-weight: 700;
        }

/* roulang page: category4 */
:root {
            --brand-500: #f9a828;
            --brand-600: #e8961e;
            --brand-700: #d48214;
            --dark-800: #1a1a1f;
            --dark-900: #0f0f13;
            --accent-500: #10b981;
            --accent-600: #059669;
            --text-primary: #1a1a1f;
            --text-secondary: #5c5c66;
            --text-muted: #a9a9af;
            --bg-light: #fafafa;
            --bg-white: #ffffff;
            --border-light: #e6e6e8;
            --border-medium: #cdcdd1;
            --shadow-sm: 0 1px 3px rgba(15, 15, 19, 0.06);
            --shadow-md: 0 6px 20px rgba(15, 15, 19, 0.10);
            --shadow-lg: 0 16px 40px rgba(15, 15, 19, 0.14);
            --shadow-xl: 0 24px 56px rgba(15, 15, 19, 0.20);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

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

        .header-inner {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 28px;
            height: 64px;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark-900);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-brand:hover {
            color: var(--brand-600);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            flex-shrink: 0;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--dark-900);
            background: rgba(249, 168, 40, 0.06);
        }

        .nav-links a.active-nav {
            color: var(--brand-700);
            background: rgba(249, 168, 40, 0.10);
            font-weight: 600;
        }

        .nav-links a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 3px;
            background: var(--brand-500);
            border-radius: 3px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff !important;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(249, 168, 40, 0.30);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(249, 168, 40, 0.40);
        }

        .hamburger-btn {
            display: none;
            font-size: 1.4rem;
            color: var(--dark-900);
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .hamburger-btn:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* Mobile nav */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px 28px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

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

            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .nav-links a.active-nav::after {
                display: none;
            }

            .nav-links a.active-nav {
                border-left: 4px solid var(--brand-500);
                border-radius: 0 10px 10px 0;
            }

            .desktop-cta {
                display: none;
            }

            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .header-inner {
                padding: 0 16px;
                height: 60px;
            }
        }

        @media (max-width: 520px) {
            .logo-brand {
                font-size: 1.15rem;
                gap: 7px;
            }

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

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

            .nav-links {
                top: 56px;
                padding: 14px 16px;
            }
        }

        /* ========== CONTAINER ========== */
        .container-wide {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container-wide,
            .container-narrow {
                padding: 0 18px;
            }
        }

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

        /* ========== SECTION ========== */
        .section-padding {
            padding: 64px 0;
        }

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

        @media (max-width: 520px) {
            .section-padding {
                padding: 32px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-600);
            background: rgba(249, 168, 40, 0.10);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark-900);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 26px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            box-shadow: 0 6px 22px rgba(249, 168, 40, 0.30);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(249, 168, 40, 0.42);
        }

        .btn-outline {
            background: transparent;
            color: var(--dark-900);
            border: 2px solid var(--border-medium);
        }

        .btn-outline:hover {
            border-color: var(--brand-500);
            color: var(--brand-700);
            background: rgba(249, 168, 40, 0.04);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* ========== CARDS ========== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .card-clickable {
            cursor: pointer;
        }

        .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0f0f3;
        }

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

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

        .card-body {
            padding: 20px 22px 24px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(249, 168, 40, 0.12);
            color: var(--brand-700);
            margin-bottom: 8px;
        }

        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark-900);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 12px;
        }

        /* ========== BADGE / TAG ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 13px;
            border-radius: 16px;
            transition: all var(--transition-fast);
        }

        .badge-warm {
            background: rgba(249, 168, 40, 0.12);
            color: var(--brand-700);
        }

        .badge-cool {
            background: rgba(16, 185, 129, 0.10);
            color: var(--accent-600);
        }

        .badge-neutral {
            background: rgba(90, 90, 100, 0.08);
            color: var(--text-secondary);
        }

        /* ========== HERO BANNER ========== */
        .page-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 15, 19, 0.72) 0%,
                    rgba(15, 15, 19, 0.55) 50%,
                    rgba(15, 15, 19, 0.78) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 50px 0;
        }

        .page-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 10px;
        }

        .page-hero-content .hero-desc {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 560px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 300px;
            }
            .page-hero-content h1 {
                font-size: 1.8rem;
            }
            .page-hero-content .hero-desc {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 260px;
            }
            .page-hero-content h1 {
                font-size: 1.5rem;
            }
        }

        /* ========== LIST ITEM ========== */
        .guide-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .guide-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(3px);
        }

        .guide-list-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #f0f0f3;
        }

        .guide-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .guide-list-info {
            flex: 1;
            min-width: 0;
        }

        .guide-list-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark-900);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .guide-list-info p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-list-meta {
            font-size: 0.76rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media (max-width: 520px) {
            .guide-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .guide-list-thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* ========== FEATURED BLOCK ========== */
        .featured-guide-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .featured-guide-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: #f0f0f3;
            min-height: 320px;
        }

        .featured-guide-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-guide-text {
            padding: 36px 36px 36px 10px;
        }

        .featured-guide-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark-900);
            margin-bottom: 12px;
        }

        .featured-guide-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .featured-guide-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-guide-image {
                aspect-ratio: 16 / 9;
                min-height: 200px;
            }
            .featured-guide-text {
                padding: 24px 22px 28px;
            }
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--dark-900);
            transition: color var(--transition-fast);
        }

        .faq-item:hover .faq-question {
            color: var(--brand-600);
        }

        .faq-icon {
            font-size: 1.1rem;
            color: var(--brand-500);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding-top var(--transition-smooth);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 12px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--dark-800) 0%, var(--dark-900) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(249, 168, 40, 0.22) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            opacity: 0.85;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.35rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--dark-900);
            color: #c5c5cc;
            padding: 48px 0 0;
            margin-top: 60px;
        }

        .footer-inner {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 28px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            opacity: 0.8;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.86rem;
            color: #a9a9af;
            margin-bottom: 9px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--brand-400);
        }

        .footer-bottom {
            text-align: center;
            padding: 22px 28px;
            font-size: 0.8rem;
            color: #7d7d87;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
        }

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

        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 22px;
                padding: 0 16px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        /* ========== MISC ========== */
        .text-gradient-warm {
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .divider {
            width: 50px;
            height: 4px;
            background: var(--brand-500);
            border-radius: 2px;
            margin: 14px 0;
        }

        .overlay-ripple {
            position: relative;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        @media (max-width: 1024px) {
            .hide-tablet {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1f3a;
            --color-primary-light: #252d52;
            --color-accent: #c9a84c;
            --color-accent-light: #e0c878;
            --color-accent-glow: #f0d060;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-bg-dark: #0f1325;
            --color-text: #1e293b;
            --color-text-light: #475569;
            --color-text-muted: #64748b;
            --color-text-on-dark: #e2e8f0;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-white: #ffffff;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-glow: 0 0 24px rgba(201, 168, 76, 0.25);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 68px;
        }

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

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

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

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

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

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

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

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(26, 31, 58, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-md);
            height: var(--header-height);
            transition: all var(--transition-base);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }
        .logo-brand:hover {
            opacity: 0.88;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            border-radius: var(--radius-md);
            color: var(--color-primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active-nav {
            color: #fff;
            background: rgba(201, 168, 76, 0.2);
            font-weight: 600;
            box-shadow: 0 0 0 1px rgba(201, 168, 76, 0.35);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: var(--color-primary);
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.4px;
            box-shadow: var(--shadow-glow);
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 32px rgba(201, 168, 76, 0.4);
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent-glow));
        }
        .desktop-cta {
            display: inline-flex;
        }

        .hamburger-btn {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 1.3rem;
            background: rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        /* Mobile nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 19, 37, 0.97);
            z-index: 99;
            flex-direction: column;
            padding: 20px 24px;
            gap: 6px;
            overflow-y: auto;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .mobile-nav-overlay.active {
            display: flex;
        }
        .mobile-nav-overlay a {
            display: flex;
            align-items: center;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        .mobile-nav-overlay a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-nav-overlay a.active-nav {
            background: rgba(201, 168, 76, 0.18);
            color: #fff;
            font-weight: 600;
        }
        .mobile-nav-overlay .mobile-cta {
            margin-top: 12px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: var(--color-primary);
            font-weight: 600;
            justify-content: center;
            border-radius: var(--radius-full);
            padding: 14px 20px;
            font-size: 1rem;
            text-align: center;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 19, 37, 0.88) 0%, rgba(26, 31, 58, 0.78) 40%, rgba(15, 19, 37, 0.85) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(15, 19, 37, 0.5), transparent);
            z-index: 2;
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 3;
            padding: 50px 0;
            width: 100%;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(201, 168, 76, 0.2);
            color: var(--color-accent-light);
            border: 1px solid rgba(201, 168, 76, 0.3);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.6px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            line-height: 1.7;
            letter-spacing: 0.3px;
        }

        /* Section */
        .section {
            padding: 60px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            letter-spacing: 0.2px;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 10px auto 0;
            border-radius: var(--radius-full);
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        .esport-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .esport-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(201, 168, 76, 0.3);
        }
        .esport-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .esport-card:hover .esport-card-img {
            transform: scale(1.04);
        }
        .esport-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .esport-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .tag-live {
            background: #fef2f2;
            color: #dc2626;
        }
        .tag-upcoming {
            background: #fefce8;
            color: #ca8a04;
        }
        .tag-hot {
            background: #fff7ed;
            color: #ea580c;
        }
        .esport-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .esport-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .esport-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            padding-top: 14px;
            border-top: 1px solid var(--color-border-light);
        }
        .esport-card-meta i {
            color: var(--color-accent);
        }

        /* Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
        }
        .stat-card {
            text-align: center;
            padding: 30px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.5px;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            letter-spacing: 0.3px;
        }

        /* Timeline */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.25);
        }
        .timeline-dot {
            flex-shrink: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-top: 5px;
            box-shadow: 0 0 10px rgba(201, 168, 76, 0.5);
        }
        .timeline-content h4 {
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            font-size: 1rem;
            letter-spacing: 0.3px;
        }
        .timeline-content .timeline-date {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 6px;
            display: inline-block;
        }
        .timeline-content p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* Highlight cards */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .highlight-grid {
                grid-template-columns: 1fr;
            }
        }
        .highlight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .highlight-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .highlight-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .highlight-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .highlight-card-body h4 {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.05rem;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .highlight-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .highlight-card-body .read-more {
            margin-top: 12px;
            font-weight: 600;
            color: var(--color-accent);
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base);
            letter-spacing: 0.3px;
        }
        .highlight-card-body .read-more:hover {
            gap: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: rgba(201, 168, 76, 0.25);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: none;
            border: none;
            letter-spacing: 0.3px;
            transition: color var(--transition-base);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            font-size: 0.85rem;
            transition: transform var(--transition-base);
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: var(--color-bg-alt);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            letter-spacing: 0.2px;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.1);
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 1rem;
            opacity: 0.85;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            letter-spacing: 0.2px;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-accent);
            color: var(--color-primary);
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-glow);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(201, 168, 76, 0.5);
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 50px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            font-size: 0.88rem;
            opacity: 0.7;
            line-height: 1.7;
            letter-spacing: 0.2px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            opacity: 0.9;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            opacity: 0.65;
            padding: 5px 0;
            transition: all var(--transition-base);
            letter-spacing: 0.2px;
        }
        .footer-col a:hover {
            opacity: 1;
            color: var(--color-accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 30px auto 0;
            padding: 18px 24px;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.5;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            letter-spacing: 0.3px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .desktop-cta {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .banner-title {
                font-size: 2rem;
            }
            .banner-desc {
                font-size: 0.95rem;
            }
            .page-banner {
                min-height: 300px;
            }
        }
        @media (max-width: 768px) {
            .banner-title {
                font-size: 1.6rem;
            }
            .banner-desc {
                font-size: 0.88rem;
            }
            .page-banner {
                min-height: 260px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .banner-title {
                font-size: 1.35rem;
            }
            .page-banner {
                min-height: 220px;
            }
            .banner-content {
                padding: 30px 0;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .esport-card-img {
                height: 160px;
            }
            .highlight-card img {
                height: 170px;
            }
            .timeline-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px 18px;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #f59e0b;
            --color-brand-hover: #d97706;
            --color-brand-light: #fef3c7;
            --color-surface-900: #0f172a;
            --color-surface-800: #1e293b;
            --color-surface-700: #334155;
            --color-surface-100: #f1f5f9;
            --color-surface-50: #f8fafc;
            --radius-card: 0.875rem;
            --radius-btn: 0.625rem;
            --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 2px 12px 0 rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 30px 0 rgba(0, 0, 0, 0.10), 0 4px 16px 0 rgba(0, 0, 0, 0.06);
            --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        .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 rgba(226, 232, 240, 0.7);
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 8px 0 rgba(0, 0, 0, 0.03);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 1.5rem;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #0f172a;
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
            transition: color var(--transition-base);
        }
        .logo-brand:hover {
            color: #f59e0b;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 0.625rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            font-size: 0.9rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 0.75rem;
            border-radius: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }
        .nav-links a:hover {
            color: #f59e0b;
            background: #fffbeb;
        }
        .nav-links a.active-nav {
            color: #d97706;
            background: #fef3c7;
            font-weight: 600;
        }
        .nav-links a.active-nav::after {
            content: '';
            position: absolute;
            bottom: 0px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: #f59e0b;
            border-radius: 3px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-btn);
            font-size: 0.875rem;
            font-weight: 600;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px 0 rgba(245, 158, 11, 0.25);
        }
        .nav-cta:hover {
            box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.35rem;
            color: #334155;
            padding: 0.4rem;
            border-radius: 0.5rem;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            color: #f59e0b;
            background: #fef3c7;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(15, 23, 42, 0.55);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            transition: opacity var(--transition-base);
        }
        .mobile-menu-overlay.active {
            display: block;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 1001;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            height: 100dvh;
            background: #fff;
            box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
            transform: translateX(100%);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            padding: 1.25rem;
        }
        .mobile-menu-panel.active {
            transform: translateX(0);
        }
        .mobile-menu-panel .mobile-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: #475569;
            padding: 0.5rem;
            border-radius: 0.5rem;
            transition: all var(--transition-base);
        }
        .mobile-menu-panel .mobile-close:hover {
            color: #f59e0b;
            background: #fef3c7;
        }
        .mobile-menu-panel .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
            margin-top: 0.75rem;
        }
        .mobile-menu-panel .mobile-nav-links a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: 0.625rem;
            font-size: 1rem;
            font-weight: 500;
            color: #334155;
            transition: all var(--transition-base);
        }
        .mobile-menu-panel .mobile-nav-links a:hover,
        .mobile-menu-panel .mobile-nav-links a.active-nav {
            color: #d97706;
            background: #fef3c7;
            font-weight: 600;
        }
        .mobile-menu-panel .mobile-cta {
            display: block;
            margin-top: 1rem;
            text-align: center;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            transition: all var(--transition-base);
        }
        .mobile-menu-panel .mobile-cta:hover {
            box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.35);
            color: #fff;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.55) 50%, rgba(15, 23, 42, 0.8) 100%);
            z-index: 1;
        }

        .card-live {
            transition: all var(--transition-base);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-card);
        }
        .card-live:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .card-live .live-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: #ef4444;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.6rem;
            border-radius: 999px;
            z-index: 2;
            animation: pulse-live 2s infinite;
            letter-spacing: 0.02em;
        }
        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.55);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
        }
        .card-live .viewer-count {
            position: absolute;
            bottom: 0.75rem;
            right: 0.75rem;
            background: rgba(15, 23, 42, 0.78);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.55rem;
            border-radius: 999px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .stat-card {
            text-align: center;
            padding: 1.75rem 1rem;
            border-radius: var(--radius-card);
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #fef3c7;
            color: #f59e0b;
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
        }
        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #0f172a;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 0.875rem;
            color: #64748b;
            margin-top: 0.3rem;
            font-weight: 500;
        }

        .faq-item {
            border: 1px solid #e2e8f0;
            border-radius: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-base);
            background: #fff;
        }
        .faq-item:hover {
            border-color: #fcd34d;
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.08);
        }
        .faq-item summary {
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: #1e293b;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.9rem;
            color: #94a3b8;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: #f59e0b;
        }
        .faq-item .faq-answer {
            padding: 0 1.25rem 1.1rem 1.25rem;
            font-size: 0.925rem;
            color: #475569;
            line-height: 1.75;
        }

        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: #94a3b8;
            padding: 0.25rem 0;
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: #f59e0b;
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 2rem auto 0;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.35rem 0.55rem;
                font-size: 0.8rem;
            }
            .desktop-cta {
                padding: 0.4rem 0.8rem;
                font-size: 0.78rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .desktop-cta {
                display: none;
            }
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                height: 54px;
                padding: 0 1rem;
            }
            .logo-brand {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-desc {
                max-width: 100%;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 50px;
                padding: 0 0.75rem;
            }
            .logo-brand {
                font-size: 1rem;
                gap: 0.35rem;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
                border-radius: 0.45rem;
            }
            .hamburger-btn {
                font-size: 1.2rem;
                padding: 0.3rem;
            }
            .mobile-menu-panel {
                width: 100%;
                max-width: 100vw;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1a32;
            --color-primary-light: #252545;
            --color-accent: #c8a45c;
            --color-accent-light: #e0c680;
            --color-accent-dark: #a07d38;
            --color-gold: #c8a45c;
            --color-bg: #f8f9fb;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5a72;
            --color-text-muted: #8888a0;
            --color-border: #e8e8f0;
            --color-border-light: #f0f0f6;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 68px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* 容器 */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* Header / 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 50, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--header-height);
            transition: all var(--transition-smooth);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 1.5rem;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-brand:hover {
            opacity: 0.88;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a853 100%);
            color: #1a1a32;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: 999px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active-nav {
            color: #ffffff;
            background: rgba(200, 164, 92, 0.2);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(200, 164, 92, 0.35);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a853 100%);
            color: #1a1a32;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(200, 164, 92, 0.3);
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(200, 164, 92, 0.45);
            color: #1a1a32;
        }

        .hamburger-btn {
            display: none;
            background: transparent;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.84rem;
            }
            .nav-cta.desktop-cta {
                padding: 0.45rem 0.9rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(26, 26, 50, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 0.75rem 1rem;
                gap: 0.3rem;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                padding: 0 1rem;
            }
        }

        /* 板块间距 */
        .section-gap {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        @media (max-width: 768px) {
            .section-gap {
                padding-top: 2.5rem;
                padding-bottom: 2.5rem;
            }
        }

        /* 板块标题 */
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 1.8rem;
            }
        }

        /* 卡片基础 */
        .card-base {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #e0d8cc;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4a853 100%);
            color: #1a1a32;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.3);
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.5);
            color: #1a1a32;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.65rem 1.6rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.93rem;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: #1a1a32;
            transform: translateY(-1px);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .tag-gold {
            background: #fdf0db;
            color: #8b6914;
        }
        .tag-diamond {
            background: #e8f0fe;
            color: #2c5aa0;
        }
        .tag-hot {
            background: #fde8e8;
            color: #b91c1c;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
        }
        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.8rem;
        }

        /* Footer */
        .site-footer {
            background: #151528;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 2rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-inner>div:first-child {
                grid-column: 1 / -1;
            }
            .footer-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }

        /* 选中高亮 */
        ::selection {
            background: rgba(200, 164, 92, 0.3);
            color: #1a1a32;
        }

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

        /* 会员等级卡片特殊样式 */
        .vip-card-platinum {
            border: 2px solid #c8a45c;
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 100%);
            position: relative;
        }
        .vip-card-platinum::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20px;
            right: 20px;
            height: 3px;
            background: linear-gradient(90deg, #c8a45c, #e0c680, #c8a45c);
            border-radius: 0 0 8px 8px;
            z-index: 1;
        }
        .vip-card-diamond {
            border: 2px solid #b8c8e8;
            background: linear-gradient(180deg, #fafcff 0%, #ffffff 100%);
        }

/* roulang page: category5 */
/* ========== 设计变量 ========== */
        :root {
            --color-brand-800: #1a325f;
            --color-brand-900: #0f1f42;
            --color-brand-950: #0a152e;
            --color-gold-400: #e6b330;
            --color-gold-500: #d4a01c;
            --color-gold-600: #b88716;
            --color-accent-500: #fd6a0d;
            --color-surface-light: #f8fafc;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-surface-border: #e2e8f0;
            --color-ink-primary: #1e293b;
            --color-ink-secondary: #475569;
            --color-ink-muted: #64748b;
            --color-ink-light: #94a3b8;
            --radius-xl: 0.875rem;
            --radius-2xl: 1.125rem;
            --radius-3xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(15, 31, 66, 0.06), 0 4px 16px rgba(15, 31, 66, 0.05);
            --shadow-card-hover: 0 2px 8px rgba(15, 31, 66, 0.08), 0 8px 28px rgba(15, 31, 66, 0.09);
            --shadow-nav: 0 1px 3px rgba(15, 31, 66, 0.04), 0 2px 8px rgba(15, 31, 66, 0.03);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width-container: 1200px;
            --header-height: 68px;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::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: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.65;
            color: var(--color-ink-primary);
            background-color: var(--color-surface-light);
            min-height: 100vh;
            padding-top: var(--header-height);
        }

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

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

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

        input,
        button {
            outline: none;
        }

        input:focus-visible,
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-gold-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: var(--max-width-container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-surface-border);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 16px rgba(15, 31, 66, 0.08);
        }

        .header-inner {
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 0 1.5rem;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 2rem;
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 2.5rem;
                gap: 2rem;
            }
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-brand-900);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-brand:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-gold-500), #c9a040);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(212, 160, 28, 0.3);
        }

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

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
                gap: 0.35rem;
            }
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: 0.6rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-ink-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--color-brand-900);
            background: var(--color-surface-muted);
        }
        .nav-links a.active-nav {
            color: var(--color-brand-900);
            background: #eef2f9;
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(26, 50, 95, 0.08);
        }

        .nav-cta {
            display: none;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.875rem;
            white-space: nowrap;
            background: linear-gradient(135deg, var(--color-gold-500), #c9a040);
            color: #fff;
            box-shadow: 0 2px 10px rgba(212, 160, 28, 0.3);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(212, 160, 28, 0.4);
            color: #fff;
        }
        .nav-cta:active {
            transform: translateY(0);
        }

        @media (min-width: 768px) {
            .nav-cta.desktop-cta {
                display: inline-flex;
            }
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 1.3rem;
            color: var(--color-ink-primary);
            background: var(--color-surface-muted);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: #e2e8f0;
            color: var(--color-brand-900);
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        /* 移动端导航抽屉 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 999;
            background: rgba(10, 21, 46, 0.55);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: opacity var(--transition-normal);
        }
        .mobile-nav-overlay.active {
            display: block;
        }

        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 1001;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            box-shadow: -4px 0 28px rgba(10, 21, 46, 0.18);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: 1.5rem;
            overflow-y: auto;
        }
        .mobile-nav-drawer.active {
            transform: translateX(0);
        }
        .mobile-nav-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--color-surface-border);
        }
        .mobile-nav-drawer .drawer-close {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: var(--color-surface-muted);
            color: var(--color-ink-primary);
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer .drawer-close:hover {
            background: #e2e8f0;
        }
        .mobile-nav-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }
        .mobile-nav-drawer .drawer-nav a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: 0.7rem;
            font-weight: 500;
            font-size: 1rem;
            color: var(--color-ink-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer .drawer-nav a:hover,
        .mobile-nav-drawer .drawer-nav a.active-nav {
            background: #eef2f9;
            color: var(--color-brand-900);
            font-weight: 600;
        }
        .mobile-nav-drawer .drawer-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            margin-top: 1.5rem;
            padding: 0.7rem 1.5rem;
            border-radius: 2rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--color-gold-500), #c9a040);
            color: #fff;
            width: 100%;
            text-align: center;
            box-shadow: 0 2px 10px rgba(212, 160, 28, 0.3);
            transition: all var(--transition-fast);
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 5rem 0;
            }
        }

        .section-sm {
            padding: 2rem 0;
        }
        @media (min-width: 768px) {
            .section-sm {
                padding: 2.5rem 0;
            }
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3rem;
            }
        }
        .section-header .label-tag {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: #fef3cd;
            color: #8a6d14;
            margin-bottom: 0.75rem;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-brand-900);
            letter-spacing: -0.01em;
            margin-bottom: 0.5rem;
        }
        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2.1rem;
            }
        }
        .section-header .subtitle {
            font-size: 0.95rem;
            color: var(--color-ink-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-ink-muted);
            flex-wrap: wrap;
            padding: 0.6rem 0;
        }
        .breadcrumb a {
            color: var(--color-ink-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-brand-900);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--color-ink-light);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-brand-900);
            font-weight: 600;
        }

        /* ========== 卡片 ========== */
        .card-article {
            background: var(--color-surface-card);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-surface-border);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-article:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d1d9e6;
        }
        .card-article .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-surface-muted);
        }
        .card-article .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-article:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-article .card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(10, 21, 46, 0.78);
            color: #fff;
            backdrop-filter: blur(6px);
            letter-spacing: 0.03em;
        }
        .card-article .card-body {
            padding: 1.1rem 1.2rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 768px) {
            .card-article .card-body {
                padding: 1.25rem 1.4rem 1.5rem;
            }
        }
        .card-article .card-date {
            font-size: 0.78rem;
            color: var(--color-ink-light);
            margin-bottom: 0.35rem;
            letter-spacing: 0.02em;
        }
        .card-article .card-title {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--color-brand-900);
            line-height: 1.45;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .card-article:hover .card-title {
            color: #0d1b35;
        }
        .card-article .card-excerpt {
            font-size: 0.85rem;
            color: var(--color-ink-muted);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-article .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            margin-top: 0.8rem;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-gold-600);
            transition: all var(--transition-fast);
        }
        .card-article .card-link:hover {
            color: #9a6f10;
            gap: 0.6rem;
        }
        .card-article .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .card-article .card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 深度专题卡片 ========== */
        .feature-card {
            background: var(--color-surface-card);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-surface-border);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 768px) {
            .feature-card {
                flex-direction: row;
            }
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .feature-card .feature-img-wrap {
            flex-shrink: 0;
            overflow: hidden;
            background: var(--color-surface-muted);
            aspect-ratio: 16 / 9;
        }
        @media (min-width: 768px) {
            .feature-card .feature-img-wrap {
                width: 280px;
                aspect-ratio: auto;
                min-height: 200px;
            }
        }
        @media (min-width: 1024px) {
            .feature-card .feature-img-wrap {
                width: 340px;
                min-height: 230px;
            }
        }
        .feature-card .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .feature-card:hover .feature-img-wrap img {
            transform: scale(1.04);
        }
        .feature-card .feature-body {
            padding: 1.2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        @media (min-width: 768px) {
            .feature-card .feature-body {
                padding: 1.4rem 1.6rem;
            }
        }
        .feature-card .feature-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.72rem;
            font-weight: 600;
            background: #fef3cd;
            color: #8a6d14;
            margin-bottom: 0.6rem;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .feature-card .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-brand-900);
            margin-bottom: 0.45rem;
            line-height: 1.4;
        }
        .feature-card .feature-excerpt {
            font-size: 0.88rem;
            color: var(--color-ink-muted);
            line-height: 1.6;
        }

        /* ========== 快讯列表 ========== */
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-surface-border);
            transition: all var(--transition-fast);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: #fafbfd;
            margin: 0 -0.8rem;
            padding-left: 0.8rem;
            padding-right: 0.8rem;
            border-radius: 0.6rem;
            border-bottom-color: transparent;
        }
        .news-list-item .news-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold-500);
            margin-top: 0.55rem;
        }
        .news-list-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-date {
            font-size: 0.75rem;
            color: var(--color-ink-light);
            margin-bottom: 0.15rem;
            letter-spacing: 0.02em;
        }
        .news-list-item .news-title {
            font-size: 0.93rem;
            font-weight: 600;
            color: var(--color-brand-900);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .news-list-item:hover .news-title {
            color: #0d1b35;
        }

        /* ========== CTA 板块 ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-brand-900), #16254a);
            border-radius: var(--radius-3xl);
            padding: 2.5rem 1.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .cta-block {
                padding: 3.5rem 2.5rem;
            }
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 160, 28, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }
        @media (min-width: 768px) {
            .cta-block h3 {
                font-size: 1.8rem;
            }
        }
        .cta-block p {
            color: #cbd5e1;
            max-width: 520px;
            margin: 0 auto 1.5rem;
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
        }
        .cta-block .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border-radius: 2rem;
            font-weight: 650;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--color-gold-500), #c9a040);
            color: #fff;
            box-shadow: 0 4px 18px rgba(212, 160, 28, 0.35);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            letter-spacing: 0.01em;
        }
        .cta-block .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212, 160, 28, 0.45);
            color: #fff;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-item {
            background: var(--color-surface-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-surface-border);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: #d1d9e6;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.2rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-brand-900);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: transparent;
            border: none;
            font-family: inherit;
            line-height: 1.45;
        }
        .faq-question:hover {
            background: #fafbfd;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-surface-muted);
            font-size: 0.7rem;
            transition: all var(--transition-normal);
            color: var(--color-ink-muted);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--color-gold-500);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 1.2rem;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 1.2rem 1.2rem;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-ink-secondary);
            line-height: 1.7;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0f1a30;
            color: #cbd5e1;
            padding: 3rem 0 0;
            margin-top: 0;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 0;
            }
        }
        .footer-inner {
            max-width: var(--max-width-container);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (min-width: 768px) {
            .footer-inner {
                padding: 0 2rem;
                grid-template-columns: 1.6fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .footer-inner {
                padding: 0 2.5rem;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: #94a3b8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            padding: 0.25rem 0;
            font-size: 0.85rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #f1f5f9;
        }
        .footer-bottom {
            max-width: var(--max-width-container);
            margin: 2rem auto 0;
            padding: 1.2rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #64748b;
            text-align: center;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                padding: 1.2rem 2rem;
            }
        }
        @media (min-width: 1024px) {
            .footer-bottom {
                padding: 1.2rem 2.5rem;
            }
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .desktop-cta {
                display: none !important;
            }
            .hamburger-btn {
                display: flex;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 2.2rem 0;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .card-article .card-title {
                font-size: 0.95rem;
            }
            .feature-card {
                flex-direction: column;
            }
            .feature-card .feature-img-wrap {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .feature-card .feature-title {
                font-size: 1rem;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 519px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .header-inner {
                padding: 0 0.8rem;
            }
            .logo-brand {
                font-size: 1.05rem;
                gap: 0.35rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: 8px;
            }
            .card-article .card-body {
                padding: 0.9rem 1rem 1.1rem;
            }
            .grid-articles {
                grid-template-columns: 1fr !important;
            }
            .feature-card .feature-body {
                padding: 1rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }

        /* ========== 工具类 ========== */
        .text-brand {
            color: var(--color-brand-900);
        }
        .text-gold {
            color: var(--color-gold-500);
        }
        .bg-brand-dark {
            background: var(--color-brand-900);
        }