/* roulang page: index */
:root {
            --navy: #0f1f3d;
            --blue: #1a3a5c;
            --gold: #c8a44e;
            --light-gold: #e0c878;
            --dark: #0a1525;
            --gray-bg: #f5f4f1;
            --muted: #6b7280;
            --white: #ffffff;
            --border: #e5e3df;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.75rem;
            --radius-full: 9999px;
            --shadow-soft: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

        *,
        *::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", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #1f2937;
            background-color: #ffffff;
            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;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* 悬浮胶囊导航 */
        .nav-capsule {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-full);
            padding: 0.5rem 0.75rem;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(200, 195, 185, 0.35);
            display: flex;
            align-items: center;
            gap: 0.25rem;
            transition: all var(--transition-normal);
            max-width: 95vw;
            flex-wrap: nowrap;
        }

        .nav-capsule .logo-text {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--navy);
            white-space: nowrap;
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .nav-capsule .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: #4b5563;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }

        .nav-capsule .nav-link:hover {
            background-color: #f3f4f6;
            color: var(--navy);
        }

        .nav-capsule .nav-link.active {
            background-color: var(--navy);
            color: #ffffff;
            font-weight: 600;
        }

        .nav-capsule .nav-link.nav-home {
            font-weight: 600;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            border-radius: 50%;
            color: var(--navy);
            font-size: 1.4rem;
            line-height: 1;
            cursor: pointer;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: #f3f4f6;
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                top: 0.5rem;
                padding: 0.4rem 0.6rem;
                gap: 0.1rem;
                border-radius: 2rem;
            }
            .nav-capsule .logo-text {
                font-size: 1rem;
                padding: 0.4rem 0.7rem;
            }
            .nav-capsule .nav-link {
                padding: 0.4rem 0.6rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                top: 0.35rem;
                left: 0.5rem;
                right: 0.5rem;
                transform: none;
                border-radius: 1.75rem;
                padding: 0.35rem 0.6rem;
                justify-content: space-between;
                max-width: calc(100vw - 1rem);
            }
            .nav-capsule .nav-link {
                display: none;
            }
            .nav-capsule .nav-link.mobile-show {
                display: inline-flex;
            }
            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-capsule.mobile-open {
                flex-wrap: wrap;
                border-radius: 1.5rem;
                padding: 0.6rem 0.8rem;
                gap: 0.3rem;
            }
            .nav-capsule.mobile-open .nav-link {
                display: inline-flex;
            }
            .nav-capsule.mobile-open .mobile-menu-btn {
                order: -1;
            }
            .nav-capsule .logo-text {
                font-size: 0.95rem;
                padding: 0.35rem 0.6rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                top: 0.25rem;
                border-radius: 1.5rem;
                padding: 0.3rem 0.5rem;
            }
            .nav-capsule.mobile-open {
                border-radius: 1.25rem;
                padding: 0.5rem;
            }
            .nav-capsule .nav-link {
                font-size: 0.75rem;
                padding: 0.35rem 0.5rem;
            }
            .nav-capsule .logo-text {
                font-size: 0.85rem;
                padding: 0.3rem 0.5rem;
            }
        }

        /* Hero区域 */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 21, 37, 0.82) 0%, rgba(15, 31, 61, 0.7) 40%, rgba(10, 21, 37, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 2rem 1.5rem;
        }

        /* 统计卡片 */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border: 1px solid var(--border);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #d1cdc6;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--navy);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--muted);
            margin-top: 0.35rem;
        }

        /* 优势卡片 */
        .advantage-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid transparent;
            transition: all var(--transition-normal);
            text-align: center;
        }
        .advantage-card:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: #f0ede6;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.6rem;
            color: var(--gold);
            transition: all var(--transition-normal);
        }
        .advantage-card:hover .advantage-icon {
            background: var(--navy);
            color: #fff;
        }

        /* 分类卡片 */
        .category-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            cursor: pointer;
            aspect-ratio: 4/3;
            display: block;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 21, 37, 0.8) 0%, rgba(10, 21, 37, 0.15) 60%);
            display: flex;
            align-items: flex-end;
            padding: 1.25rem;
            z-index: 2;
        }
        .category-card-title {
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
        }

        /* 新闻卡片 */
        .news-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition-normal);
            border: 1px solid var(--border);
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 1.25rem;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--muted);
            margin-bottom: 0.4rem;
        }
        .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--navy);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.55;
            margin-bottom: 0.75rem;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 0.75rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: #c8b98a;
        }
        .faq-item summary {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--navy);
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--gold);
        }
        .faq-item[open] .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            margin-top: 0.75rem;
            color: #4b5563;
            line-height: 1.7;
            font-size: 0.95rem;
            padding-top: 0.75rem;
            border-top: 1px solid #f3f2ef;
        }

        /* CTA区域 */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 5rem 1.5rem;
            text-align: center;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            margin: 2rem 1.5rem 3rem;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(10, 21, 37, 0.8);
            z-index: 1;
            border-radius: var(--radius-2xl);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .cta-section {
                margin: 1.5rem 0.75rem 2rem;
                padding: 3rem 1rem;
                border-radius: var(--radius-xl);
            }
            .cta-overlay {
                border-radius: var(--radius-xl);
            }
        }

        /* 按钮样式 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-normal);
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: 2px solid var(--gold);
        }
        .btn-primary:hover {
            background: #b8923a;
            border-color: #b8923a;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 164, 78, 0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-normal);
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: 2px solid #fff;
        }
        .btn-outline:hover {
            background: #fff;
            color: var(--navy);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
        }
        .btn-readmore {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-readmore:hover {
            color: #b8923a;
            gap: 0.5rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--navy);
            color: #c5c9d2;
            padding: 3rem 1.5rem 1.5rem;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: #c5c9d2;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 1.5rem 0;
        }

        /* 评价卡片 */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* 合作伙伴 */
        .partner-item {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all var(--transition-normal);
            font-weight: 600;
            color: var(--navy);
            font-size: 0.95rem;
        }
        .partner-item:hover {
            border-color: #c8b98a;
            box-shadow: var(--shadow-soft);
        }

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

/* roulang page: category1 */
:root {
            --color-brand-700: #1a3a56;
            --color-brand-600: #2c5a7f;
            --color-brand-500: #3d7099;
            --color-accent-500: #e8a020;
            --color-accent-400: #f4b93e;
            --color-surface-card: #ffffff;
            --color-surface-muted: #f1f5f9;
            --color-text-primary: #1a1e24;
            --color-text-secondary: #4a5568;
            --color-text-muted: #8899aa;
            --color-border: #e2e8f0;
            --radius-lg: 0.85rem;
            --radius-xl: 1.1rem;
            --shadow-card: 0 2px 12px rgba(10, 28, 46, 0.06), 0 1px 3px rgba(10, 28, 46, 0.04);
            --shadow-card-hover: 0 8px 30px rgba(10, 28, 46, 0.10), 0 3px 8px rgba(10, 28, 46, 0.06);
            --transition-smooth: 0.25s 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: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            background-color: #f8fafc;
            color: #1a1e24;
            min-height: 100vh;
        }

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

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

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

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

        /* 导航样式 */
        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.65rem 1.5rem;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 3rem;
            box-shadow: 0 2px 20px rgba(10, 28, 46, 0.08);
            border: 1px solid rgba(226, 232, 240, 0.7);
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            position: relative;
            z-index: 100;
        }
        .nav-capsule::-webkit-scrollbar {
            display: none;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: #1a3a56;
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            margin-right: 0.5rem;
            transition: color var(--transition-smooth);
        }
        .logo-text:hover {
            color: #2c5a7f;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 1rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4a5568;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .nav-link:hover {
            color: #1a3a56;
            background: rgba(26, 58, 86, 0.06);
        }
        .nav-link.active {
            color: #ffffff;
            background: #1a3a56;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(26, 58, 86, 0.3);
        }
        .nav-link.active:hover {
            background: #2c5a7f;
            color: #ffffff;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #1a3a56;
            padding: 0.35rem 0.6rem;
            border-radius: 0.5rem;
            flex-shrink: 0;
            transition: background var(--transition-smooth);
        }
        .mobile-menu-btn:hover {
            background: rgba(26, 58, 86, 0.06);
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                gap: 0.2rem;
                padding: 0.5rem 1rem;
                border-radius: 2.5rem;
            }
            .nav-link {
                padding: 0.4rem 0.75rem;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.1rem;
                margin-right: 0.25rem;
            }
        }
        @media (max-width: 768px) {
            .nav-capsule {
                gap: 0.15rem;
                padding: 0.45rem 0.8rem;
                border-radius: 2rem;
                justify-content: flex-start;
            }
            .nav-link {
                padding: 0.35rem 0.6rem;
                font-size: 0.76rem;
            }
            .logo-text {
                font-size: 1rem;
                margin-right: 0.1rem;
            }
            .mobile-menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                margin-left: auto;
            }
            .nav-link.nav-desktop-only {
                display: none;
            }
        }

        /* 页脚样式 */
        .site-footer {
            background: #0f1f30;
            color: #cbd5e1;
            padding: 3rem 1.5rem 1.5rem;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer a {
            color: #cbd5e1;
            transition: color var(--transition-smooth);
        }
        .site-footer a:hover {
            color: #f4b93e;
        }
        .site-footer h3,
        .site-footer h4 {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 2rem 1rem 1rem;
                font-size: 0.82rem;
            }
        }

        /* 自定义补充样式 */
        .hero-overlay {
            background: linear-gradient(180deg, rgba(10, 22, 34, 0.55) 0%, rgba(10, 22, 34, 0.78) 60%, rgba(10, 28, 46, 0.9) 100%);
        }
        .card-hover-lift {
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .card-hover-lift:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .badge-accent {
            background: #fef3c7;
            color: #92400e;
            font-weight: 600;
            font-size: 0.78rem;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            display: inline-block;
            letter-spacing: 0.01em;
        }
        .badge-info {
            background: #dbeafe;
            color: #1e40af;
            font-weight: 600;
            font-size: 0.78rem;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            display: inline-block;
        }
        .section-title-underline {
            position: relative;
            display: inline-block;
            padding-bottom: 0.5rem;
        }
        .section-title-underline::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 56px;
            height: 3.5px;
            background: #e8a020;
            border-radius: 4px;
        }
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.2rem 0;
            transition: all var(--transition-smooth);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item:hover {
            background: #fafbfc;
            padding-left: 0.5rem;
            border-radius: 0.5rem;
        }
        .cta-glow {
            box-shadow: 0 0 40px rgba(232, 160, 32, 0.25), 0 8px 30px rgba(26, 58, 86, 0.2);
        }
        .highlight-num {
            font-variant-numeric: tabular-nums;
            font-feature-settings: "tnum";
            letter-spacing: -0.02em;
        }
        .gradient-text-accent {
            background: linear-gradient(135deg, #e8a020, #f4b93e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-light: #1e5080;
            --color-accent: #c8963e;
            --color-accent-light: #d4a855;
            --color-bg: #f7f8fa;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a5f6e;
            --color-text-muted: #8b8f9a;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f4;
            --color-card-bg: #ffffff;
            --color-footer-bg: #0f1a2e;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

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

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

        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;
            outline: none;
        }

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1320px;
            }
        }

        /* ============ 导航 - 悬浮胶囊 ============ */
        .nav-capsule {
            position: sticky;
            top: 16px;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            padding: 10px 22px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(200, 205, 215, 0.35);
            margin: 12px auto 0;
            max-width: 1180px;
            width: calc(100% - 32px);
            flex-wrap: nowrap;
            transition: all var(--transition-normal);
        }

        .nav-capsule .logo-text {
            font-weight: 700;
            font-size: 1.22rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            padding: 6px 4px;
            border-radius: var(--radius-sm);
        }
        .nav-capsule .logo-text:hover {
            color: var(--color-accent);
        }

        .nav-capsule .nav-link {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            padding: 8px 16px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            position: relative;
        }
        .nav-capsule .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 94, 0.06);
        }
        .nav-capsule .nav-link.active {
            color: #ffffff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(26, 60, 94, 0.3);
        }
        .nav-capsule .nav-link.active:hover {
            background: var(--color-primary-light);
            color: #ffffff;
        }
        .nav-capsule .nav-home {
            font-weight: 500;
        }

        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            line-height: 1;
            flex-shrink: 0;
        }
        .mobile-menu-btn:hover {
            background: rgba(26, 60, 94, 0.06);
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                padding: 10px 16px;
                gap: 4px;
                border-radius: var(--radius-lg);
                top: 8px;
                width: calc(100% - 20px);
            }
            .nav-capsule .nav-link {
                font-size: 0.82rem;
                padding: 7px 11px;
            }
            .nav-capsule .logo-text {
                font-size: 1.08rem;
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                flex-wrap: wrap;
                border-radius: var(--radius-lg);
                padding: 10px 14px;
                gap: 6px;
                top: 6px;
                width: calc(100% - 16px);
                justify-content: space-between;
            }
            .nav-capsule .nav-link {
                display: none;
                width: 100%;
                text-align: center;
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius-md);
            }
            .nav-capsule.mobile-open .nav-link {
                display: block;
            }
            .nav-capsule.mobile-open {
                border-radius: var(--radius-lg);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-bottom: 14px;
            }
            .mobile-menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-capsule .logo-text {
                flex: 1;
            }
            .nav-capsule .nav-link.active {
                order: -1;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                padding: 8px 10px;
                top: 4px;
                width: calc(100% - 12px);
                border-radius: var(--radius-md);
            }
            .nav-capsule .logo-text {
                font-size: 1rem;
            }
            .nav-capsule .nav-link {
                font-size: 0.85rem;
                padding: 9px 12px;
            }
            .mobile-menu-btn {
                font-size: 1.3rem;
                padding: 4px 8px;
            }
        }

        /* ============ 板块通用间距 ============ */
        .section-py {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        @media (min-width: 768px) {
            .section-py {
                padding-top: 72px;
                padding-bottom: 72px;
            }
        }
        @media (min-width: 1024px) {
            .section-py {
                padding-top: 88px;
                padding-bottom: 88px;
            }
        }

        /* ============ Hero ============ */
        .hero-betting {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            margin-top: 28px;
        }
        .hero-betting::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.82) 0%, rgba(26, 60, 94, 0.7) 50%, rgba(15, 26, 46, 0.78) 100%);
            z-index: 1;
            border-radius: inherit;
        }
        .hero-betting .hero-content {
            position: relative;
            z-index: 2;
            padding: 40px 28px;
            max-width: 720px;
        }
        @media (min-width: 768px) {
            .hero-betting {
                min-height: 460px;
            }
            .hero-betting .hero-content {
                padding: 48px 40px;
            }
        }
        @media (min-width: 1024px) {
            .hero-betting {
                min-height: 500px;
                border-radius: var(--radius-xl);
            }
            .hero-betting .hero-content {
                padding: 56px 48px;
                max-width: 680px;
            }
        }
        @media (max-width: 520px) {
            .hero-betting {
                min-height: 340px;
                border-radius: var(--radius-lg);
                margin-top: 16px;
            }
            .hero-betting .hero-content {
                padding: 28px 18px;
            }
        }

        /* ============ 卡片 ============ */
        .card-guide {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-guide:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-guide .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .icon-blue {
            background: #e8f0f8;
            color: var(--color-primary);
        }
        .icon-gold {
            background: #fdf3e0;
            color: var(--color-accent);
        }
        .icon-teal {
            background: #e4f4f2;
            color: #1a7a6d;
        }
        .icon-rose {
            background: #fde8ec;
            color: #b8445c;
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(26, 60, 94, 0.28);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-primary-light);
            box-shadow: 0 6px 22px rgba(26, 60, 94, 0.38);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 60, 94, 0.25);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.32);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.42);
            transform: translateY(-1px);
        }

        /* ============ 标签 ============ */
        .tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .tag-blue {
            background: #e8f0f8;
            color: var(--color-primary);
        }
        .tag-gold {
            background: #fdf3e0;
            color: #8b6914;
        }
        .tag-green {
            background: #e4f4e8;
            color: #2d6a3f;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .faq-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-item h4 .faq-icon {
            color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .faq-item p {
            color: var(--color-text-soft);
            font-size: 0.92rem;
            line-height: 1.75;
            padding-left: 28px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-footer-bg);
            color: #c5cad4;
            padding: 48px 0 28px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer a {
            color: #c5cad4;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 20px 0 18px;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        /* ============ 分隔装饰 ============ */
        .section-divider {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: var(--color-accent);
            margin: 0 auto 32px;
        }
        .section-divider-left {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: var(--color-accent);
            margin: 0 0 24px;
        }

        /* ============ 列表样式 ============ */
        .check-list {
            list-style: none;
            padding: 0;
        }
        .check-list li {
            padding: 6px 0 6px 28px;
            position: relative;
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .check-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 7px;
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        /* ============ 数据高亮 ============ */
        .highlight-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        @media (min-width: 768px) {
            .highlight-num {
                font-size: 2.8rem;
            }
        }

        /* ============ 图片圆角包装 ============ */
        .img-rounded {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .img-rounded img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .img-rounded:hover img {
            transform: scale(1.04);
        }

        /* 板块标题 */
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.9rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.1rem;
            }
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            max-width: 620px;
            line-height: 1.7;
        }
        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand-600: #1a365d;
            --color-brand-700: #152d4d;
            --color-brand-800: #102340;
            --color-gold-500: #d4a853;
            --color-gold-600: #c4963f;
            --color-bg-light: #f8fafb;
            --color-bg-white: #ffffff;
            --color-text-primary: #1a1a1a;
            --color-text-secondary: #4a5568;
            --color-text-muted: #718096;
            --color-border: #e2e8f0;
            --color-border-light: #edf2f7;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-capsule: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 6px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s 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', system-ui, sans-serif;
            line-height: 1.7;
            background-color: #f8fafb;
            color: #1a1a1a;
            min-height: 100vh;
        }

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

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

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

        input,
        button {
            outline: none;
        }

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

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

        /* 导航 - 悬浮胶囊 */
        .nav-capsule {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-capsule);
            padding: 10px 18px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            max-width: 95vw;
            flex-wrap: nowrap;
            overflow-x: auto;
            white-space: nowrap;
            transition: all var(--transition-smooth);
        }

        .nav-capsule::-webkit-scrollbar {
            height: 0;
            width: 0;
        }

        .nav-capsule .logo-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-brand-600);
            padding: 8px 14px;
            border-radius: 30px;
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .nav-capsule .logo-text:hover {
            color: var(--color-gold-600);
            background: rgba(212, 168, 83, 0.08);
        }

        .nav-capsule .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: #4a5568;
            padding: 8px 15px;
            border-radius: 30px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-capsule .nav-link:hover {
            color: var(--color-brand-600);
            background: rgba(26, 54, 93, 0.06);
        }
        .nav-capsule .nav-link.active {
            color: #ffffff;
            background: var(--color-brand-600);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 54, 93, 0.3);
        }
        .nav-capsule .nav-link.active:hover {
            background: var(--color-brand-700);
            color: #ffffff;
        }

        .nav-capsule .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #4a5568;
            padding: 6px 10px;
            border-radius: 30px;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .nav-capsule .mobile-menu-btn:hover {
            color: var(--color-brand-600);
            background: rgba(26, 54, 93, 0.06);
        }

        /* 移动端导航 */
        @media (max-width: 1024px) {
            .nav-capsule {
                gap: 2px;
                padding: 8px 10px;
                border-radius: 40px;
                top: 10px;
            }
            .nav-capsule .logo-text {
                font-size: 1rem;
                padding: 7px 10px;
            }
            .nav-capsule .nav-link {
                font-size: 0.8rem;
                padding: 7px 10px;
                border-radius: 25px;
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                flex-wrap: wrap;
                justify-content: space-between;
                border-radius: 28px;
                padding: 8px 12px;
                top: 8px;
                gap: 4px;
            }
            .nav-capsule .nav-link {
                display: none;
                font-size: 0.85rem;
                padding: 10px 16px;
                width: 100%;
                text-align: center;
                border-radius: 20px;
            }
            .nav-capsule .nav-link.show {
                display: block;
            }
            .nav-capsule .mobile-menu-btn {
                display: inline-block;
            }
            .nav-capsule.mobile-open {
                border-radius: 24px;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 10px;
            }
            .nav-capsule.mobile-open .nav-link {
                display: block;
            }
            .nav-capsule .logo-text {
                flex: 1;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                top: 4px;
                border-radius: 22px;
                padding: 6px 10px;
            }
            .nav-capsule .logo-text {
                font-size: 0.95rem;
                padding: 6px 8px;
            }
            .nav-capsule .nav-link {
                font-size: 0.8rem;
                padding: 8px 12px;
                border-radius: 16px;
            }
            .nav-capsule.mobile-open {
                border-radius: 20px;
                padding: 10px 8px;
            }
        }

        /* Banner */
        .inner-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: 80px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-left: 16px;
            margin-right: 16px;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 54, 93, 0.82) 0%, rgba(16, 35, 64, 0.7) 50%, rgba(10, 20, 40, 0.6) 100%);
            z-index: 1;
        }
        .inner-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px;
        }

        @media (max-width: 768px) {
            .inner-banner {
                min-height: 300px;
                margin-top: 70px;
                border-radius: 14px;
                margin-left: 8px;
                margin-right: 8px;
            }
            .inner-banner .banner-content {
                padding: 32px 20px;
            }
        }
        @media (max-width: 520px) {
            .inner-banner {
                min-height: 260px;
                margin-top: 60px;
                border-radius: 10px;
                margin-left: 4px;
                margin-right: 4px;
            }
            .inner-banner .banner-content {
                padding: 24px 14px;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 56px 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 36px 0;
            }
        }
        @media (max-width: 520px) {
            .section-block {
                padding: 28px 0;
            }
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-brand-600);
            text-align: center;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: #718096;
            text-align: center;
            margin-bottom: 40px;
            font-weight: 400;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
        }

        /* 卡片 */
        .card-hover {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .card-hover:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #d4dce6;
        }
        .card-hover .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: rgba(26, 54, 93, 0.06);
            color: var(--color-brand-600);
            transition: all var(--transition-fast);
        }
        .card-hover:hover .card-icon {
            background: var(--color-brand-600);
            color: #fff;
            transform: scale(1.05);
        }
        .card-hover h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a1a1a;
            margin-bottom: 8px;
        }
        .card-hover p {
            font-size: 0.9rem;
            color: #718096;
            line-height: 1.6;
            margin: 0;
        }

        /* 赛事分析卡片 */
        .match-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .match-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
        }
        .match-card .match-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .match-card .match-card-body {
            padding: 20px 18px;
        }
        .match-card .match-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(212, 168, 83, 0.15);
            color: #a87d2e;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .match-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #1a1a1a;
        }
        .match-card p {
            font-size: 0.88rem;
            color: #718096;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .match-card .match-card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-brand-600);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }
        .match-card .match-card-link:hover {
            color: var(--color-gold-600);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .match-card .match-card-img {
                height: 160px;
            }
            .match-card .match-card-body {
                padding: 16px 14px;
            }
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-brand-600);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #718096;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stat-number {
                font-size: 2rem;
            }
        }

        /* CTA按钮 */
        .btn-primary {
            display: inline-block;
            background: var(--color-brand-600);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(26, 54, 93, 0.25);
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--color-brand-700);
            box-shadow: 0 8px 24px rgba(26, 54, 93, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-brand-600);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 30px;
            font-size: 0.95rem;
            border: 2px solid var(--color-brand-600);
            transition: all var(--transition-smooth);
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-outline:hover {
            background: var(--color-brand-600);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 54, 93, 0.2);
            transform: translateY(-2px);
        }
        .btn-gold {
            display: inline-block;
            background: var(--color-gold-500);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.3);
            letter-spacing: 0.01em;
        }
        .btn-gold:hover {
            background: var(--color-gold-600);
            box-shadow: 0 8px 24px rgba(212, 168, 83, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 22px 24px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d4dce6;
        }
        .faq-item .faq-question {
            font-weight: 600;
            font-size: 1rem;
            color: #1a1a1a;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item .faq-question i {
            color: var(--color-brand-600);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding-top 0.3s ease;
            color: #4a5568;
            font-size: 0.9rem;
            line-height: 1.7;
            padding-top: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        /* CTA区块 */
        .cta-section {
            background: linear-gradient(135deg, var(--color-brand-600) 0%, var(--color-brand-800) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            margin: 0 16px;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 32px 20px;
                margin: 0 8px;
                border-radius: 14px;
            }
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 24px 14px;
                margin: 0 4px;
                border-radius: 10px;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #0b1930;
            color: #cbd5e0;
            padding: 48px 0 24px;
            margin-top: 60px;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: #cbd5e0;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 28px 0 20px;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 32px 0 20px;
                margin-top: 40px;
            }
        }

        /* 淡入动画 */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeInUp 0.7s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-light: #264d73;
            --color-accent: #d4942b;
            --color-accent-light: #e8b44d;
            --color-bg: #f8f9fb;
            --color-text: #1a1a2e;
            --color-text-muted: #6b7280;
            --color-border: #e5e7eb;
            --radius-md: 0.5rem;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.11);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            background-color: var(--color-bg);
            color: var(--color-text);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 50px;
            box-shadow: var(--shadow-lg);
            position: sticky;
            top: 16px;
            z-index: 100;
            margin: 0 auto;
            max-width: 1100px;
            width: fit-content;
            flex-wrap: wrap;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.7);
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.03em;
            padding: 4px 10px;
            border-radius: 20px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .logo-text:hover {
            background: #f0f4f8;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4b5563;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            background: #f3f4f6;
            color: #1a1a2e;
        }
        .nav-link.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.3);
        }
        .nav-link.active:hover {
            background: var(--color-primary-light);
            color: #ffffff;
        }
        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: 50%;
            color: #4b5563;
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .mobile-menu-btn:hover {
            background: #f3f4f6;
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                gap: 4px;
                padding: 10px 16px;
                border-radius: 40px;
                flex-wrap: wrap;
                max-width: 95%;
            }
            .nav-link {
                padding: 7px 12px;
                font-size: 0.82rem;
                border-radius: 20px;
            }
            .logo-text {
                font-size: 1.05rem;
                padding: 4px 8px;
            }
        }
        @media (max-width: 768px) {
            .nav-capsule {
                flex-wrap: wrap;
                justify-content: center;
                gap: 3px;
                padding: 8px 12px;
                border-radius: 32px;
                top: 8px;
            }
            .nav-link {
                padding: 6px 10px;
                font-size: 0.78rem;
                border-radius: 18px;
            }
            .logo-text {
                font-size: 1rem;
                padding: 3px 8px;
            }
            .mobile-menu-btn {
                display: inline-block;
            }
            .nav-link.nav-desktop-only {
                display: none;
            }
            .nav-capsule.mobile-expanded .nav-link.nav-desktop-only {
                display: inline-block;
            }
            .nav-capsule.mobile-expanded {
                flex-direction: column;
                align-items: stretch;
                border-radius: 24px;
                padding: 14px 16px;
                gap: 6px;
                max-width: 92%;
            }
            .nav-capsule.mobile-expanded .nav-link {
                text-align: center;
                padding: 10px 14px;
                font-size: 0.85rem;
            }
            .nav-capsule.mobile-expanded .logo-text {
                text-align: center;
                font-size: 1.1rem;
            }
            .nav-capsule.mobile-expanded .mobile-menu-btn {
                align-self: flex-end;
            }
        }
        @media (max-width: 520px) {
            .nav-capsule {
                padding: 6px 10px;
                border-radius: 28px;
                top: 4px;
            }
            .nav-link {
                padding: 5px 8px;
                font-size: 0.72rem;
                border-radius: 16px;
            }
            .logo-text {
                font-size: 0.9rem;
            }
        }

        /* ===== 板块间距 ===== */
        .section-padding {
            padding: 60px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 28px 0;
            }
        }

        /* ===== Hero ===== */
        .hero-inner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 94, 0.88) 0%, rgba(10, 21, 40, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            padding: 40px 48px;
            max-width: 700px;
        }
        @media (max-width: 768px) {
            .hero-inner {
                min-height: 300px;
                border-radius: var(--radius-lg);
            }
            .hero-content {
                padding: 28px 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-inner {
                min-height: 260px;
                border-radius: var(--radius-md);
            }
            .hero-content {
                padding: 20px 14px;
            }
        }

        /* ===== 卡片 ===== */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d1d5db;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ===== 球队排名卡片 ===== */
        .team-rank-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .team-rank-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .rank-badge {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .rank-gold {
            background: #fef3c7;
            color: #b45309;
        }
        .rank-silver {
            background: #f1f5f9;
            color: #475569;
        }
        .rank-bronze {
            background: #fef0e6;
            color: #9a3412;
        }
        .rank-normal {
            background: #f9fafb;
            color: #6b7280;
        }

        /* ===== 维度卡片 ===== */
        .dimension-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }
        .dimension-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .dimension-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .dimension-card-body {
            padding: 20px 22px;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            margin-bottom: 10px;
        }
        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
            user-select: none;
        }
        .faq-answer {
            margin-top: 10px;
            color: #4b5563;
            font-size: 0.92rem;
            line-height: 1.75;
            padding-top: 10px;
            border-top: 1px solid #f3f4f6;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-icon {
            font-size: 1.3rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: var(--color-accent);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a3c5e 0%, #0e1e38 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0e1e38;
            color: #d1d5db;
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .site-footer a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 20px 0;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 32px 0 18px;
                margin-top: 20px;
            }
        }

        /* ===== 按钮通用 ===== */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(212, 148, 43, 0.3);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: #c0801f;
            box-shadow: 0 4px 16px rgba(212, 148, 43, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 11px 26px;
            border: 2px solid #fff;
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        /* ===== 标签 ===== */
        .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .tag-blue {
            background: #eff6ff;
            color: #1d4ed8;
        }
        .tag-green {
            background: #f0fdf4;
            color: #166534;
        }
        .tag-orange {
            background: #fff7ed;
            color: #9a3412;
        }
        .tag-purple {
            background: #faf5ff;
            color: #6b21a8;
        }

        /* ===== 数据条 ===== */
        .data-bar-wrap {
            background: #f3f4f6;
            border-radius: 10px;
            height: 12px;
            overflow: hidden;
            margin-top: 6px;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 10px;
            transition: width 0.8s ease;
        }
        .data-bar-high {
            background: linear-gradient(90deg, #1a3c5e, #264d73);
        }
        .data-bar-mid {
            background: linear-gradient(90deg, #d4942b, #e8b44d);
        }
        .data-bar-low {
            background: linear-gradient(90deg, #9ca3af, #c4c9d1);
        }

        /* 搜索框 */
        .search-box {
            display: flex;
            max-width: 480px;
            border-radius: 30px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            background: #fff;
        }
        .search-box input {
            flex: 1;
            padding: 12px 18px;
            border: none;
            font-size: 0.92rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            padding: 12px 20px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background var(--transition-fast);
            white-space: nowrap;
        }
        .search-box button:hover {
            background: var(--color-primary-light);
        }

        /* 滚动动画预留 */
        @media (prefers-reduced-motion: no-preference) {
            .stat-card,
            .team-rank-card,
            .dimension-card {
                transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1e4d7b;
            --primary-dark: #0f2a45;
            --accent: #c8a44e;
            --accent-light: #d4b66a;
            --accent-dark: #a8872e;
            --surface: #f8f9fb;
            --surface-alt: #eef1f5;
            --text-main: #1a1f2e;
            --text-soft: #5a6070;
            --text-muted: #8b919e;
            --border-light: #e2e6ed;
            --border-medium: #d0d5dd;
            --card-bg: #ffffff;
            --footer-bg: #0d1f33;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 6px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
        }

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

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

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background-color: #fafbfc;
            min-height: 100vh;
        }

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

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

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

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

        /* 导航胶囊样式 */
        .nav-capsule {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.6rem 1.5rem;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 3rem;
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 1rem;
            z-index: 1000;
            max-width: 1100px;
            margin: 0.75rem auto 0;
            width: calc(100% - 2rem);
            flex-wrap: nowrap;
            border: 1px solid rgba(200, 200, 210, 0.25);
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            margin-right: 0.5rem;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .logo-text:hover {
            color: var(--primary-light);
        }

        .nav-link {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-soft);
            padding: 0.5rem 0.85rem;
            border-radius: 2rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }
        .nav-link.active {
            color: #ffffff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 1px 4px rgba(26, 60, 94, 0.25);
        }
        .nav-link.active:hover {
            background: var(--primary-light);
            color: #ffffff;
        }

        .mobile-menu-btn {
            display: none;
            font-size: 1.4rem;
            color: var(--text-main);
            padding: 0.35rem 0.6rem;
            border-radius: 0.5rem;
            flex-shrink: 0;
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .mobile-menu-btn:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* 移动端导航 */
        @media (max-width: 1024px) {
            .nav-capsule {
                flex-wrap: wrap;
                gap: 0.3rem;
                padding: 0.5rem 1rem;
                border-radius: 1.5rem;
                justify-content: flex-start;
            }
            .nav-link {
                font-size: 0.8rem;
                padding: 0.4rem 0.65rem;
            }
            .logo-text {
                font-size: 1.05rem;
                margin-right: 0.25rem;
            }
        }
        @media (max-width: 768px) {
            .nav-capsule {
                border-radius: 1.25rem;
                padding: 0.5rem 0.9rem;
                gap: 0.25rem;
            }
            .nav-link {
                font-size: 0.75rem;
                padding: 0.35rem 0.55rem;
            }
            .logo-text {
                font-size: 0.95rem;
            }
            .mobile-menu-btn {
                display: inline-block;
            }
            .nav-link.nav-home,
            .nav-link:not(.active):not(.logo-text) {
                display: none;
            }
            .nav-capsule.mobile-open .nav-link {
                display: inline-block;
            }
            .nav-capsule.mobile-open {
                flex-wrap: wrap;
                border-radius: 1.5rem;
                padding-bottom: 0.7rem;
            }
        }
        @media (max-width: 520px) {
            .nav-capsule {
                padding: 0.4rem 0.7rem;
                border-radius: 1rem;
                top: 0.5rem;
                margin-top: 0.4rem;
                width: calc(100% - 1rem);
            }
            .logo-text {
                font-size: 0.85rem;
            }
            .nav-link {
                font-size: 0.7rem;
                padding: 0.3rem 0.45rem;
            }
            .mobile-menu-btn {
                font-size: 1.2rem;
                padding: 0.25rem 0.45rem;
            }
        }

        /* 容器 */
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (max-width: 640px) {
            .container-custom {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }
        }

        /* 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;
            }
        }

        /* Banner */
        .inner-banner {
            position: relative;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            margin-top: 1.5rem;
            box-shadow: var(--shadow-card-hover);
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 42, 69, 0.82) 0%, rgba(26, 60, 94, 0.65) 50%, rgba(15, 42, 69, 0.78) 100%);
            z-index: 1;
        }
        .inner-banner-content {
            position: relative;
            z-index: 2;
            padding: 2.5rem;
            color: #ffffff;
            max-width: 700px;
        }
        @media (max-width: 640px) {
            .inner-banner {
                min-height: 240px;
                border-radius: var(--radius-lg);
                margin-top: 0.75rem;
            }
            .inner-banner-content {
                padding: 1.5rem;
            }
        }

        /* 卡片 */
        .card-article {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            height: 100%;
        }
        .card-article:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #c8cdd6;
            transform: translateY(-2px);
        }
        .card-article .card-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            flex-shrink: 0;
        }
        .card-article .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-article:hover .card-image-wrap img {
            transform: scale(1.04);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            background: var(--tag-bg);
            color: var(--tag-text);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .tag-accent {
            background: #fdf6e8;
            color: #8a6d20;
        }
        .tag-hot {
            background: #fef0f0;
            color: #c0392b;
        }
        .tag-new {
            background: #e8f5e9;
            color: #2e7d32;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 0.65rem 1.5rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 0.6rem 1.4rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            border: 2px solid var(--primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 0.65rem 1.5rem;
            border-radius: 2.5rem;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(200, 164, 78, 0.25);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 4px 16px rgba(200, 164, 78, 0.35);
            transform: translateY(-1px);
            color: #fff;
        }

        /* 页脚 */
        .site-footer {
            background: var(--footer-bg);
            color: #c5cdd8;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
            border-radius: 2rem 2rem 0 0;
        }
        .site-footer a {
            color: #c5cdd8;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 1.5rem 0;
        }
        @media (max-width: 640px) {
            .site-footer {
                padding: 2rem 1rem 1rem;
                border-radius: 1.5rem 1.5rem 0 0;
            }
        }

        /* 滚动快讯 */
        .ticker-wrap {
            overflow: hidden;
            white-space: nowrap;
            background: #fff;
            border-radius: 2rem;
            padding: 0.6rem 1.2rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .ticker-track {
            display: inline-block;
            animation: ticker-scroll 35s linear infinite;
        }
        .ticker-item {
            display: inline-block;
            margin-right: 3rem;
            font-size: 0.88rem;
            color: var(--text-soft);
            font-weight: 500;
        }
        .ticker-item .ticker-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-right: 0.5rem;
            vertical-align: middle;
        }
        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        @media (max-width: 640px) {
            .ticker-item {
                font-size: 0.78rem;
                margin-right: 1.8rem;
            }
            .ticker-wrap {
                padding: 0.5rem 0.9rem;
                border-radius: 1.5rem;
            }
        }

        /* 特色大卡片 */
        .featured-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 280px;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .featured-card .fc-image {
            background-size: cover;
            background-position: center;
            min-height: 280px;
        }
        .featured-card .fc-body {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.75rem;
        }
        @media (max-width: 768px) {
            .featured-card {
                grid-template-columns: 1fr;
                min-height: auto;
            }
            .featured-card .fc-image {
                min-height: 200px;
            }
            .featured-card .fc-body {
                padding: 1.25rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-600: #2c5a96;
            --brand-700: #1e4070;
            --brand-800: #142b4d;
            --accent-500: #e6b800;
            --accent-600: #c49a00;
            --surface: #f8fafb;
            --card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4b5563;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.07);
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s 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;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background-color: #f8fafb;
            min-height: 100vh;
        }

        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;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding: 0 2rem;
            }
        }

        /* 导航胶囊样式 */
        .nav-capsule {
            position: sticky;
            top: 1rem;
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.35rem;
            max-width: 1100px;
            margin: 1rem auto 0;
            padding: 0.6rem 1.2rem;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 3rem;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition-smooth);
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.15rem;
            color: #1e4070;
            letter-spacing: -0.02em;
            padding: 0.45rem 1rem;
            border-radius: 2rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            margin-right: 0.5rem;
            flex-shrink: 0;
        }
        .logo-text:hover {
            color: #2c5a96;
            background: rgba(44, 90, 150, 0.06);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            border-radius: 2rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: #4b5563;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .nav-link:hover {
            color: #1e4070;
            background: rgba(44, 90, 150, 0.07);
        }
        .nav-link.active {
            color: #ffffff;
            background: #1e4070;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(30, 64, 112, 0.3);
        }
        .nav-link.active:hover {
            background: #2c5a96;
            color: #ffffff;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #1e4070;
            padding: 0.3rem 0.7rem;
            border-radius: 2rem;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .mobile-menu-btn:hover {
            background: rgba(44, 90, 150, 0.08);
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                border-radius: 2rem;
                padding: 0.5rem 1rem;
                gap: 0.25rem;
                top: 0.5rem;
                margin: 0.5rem 0.75rem 0;
            }
            .nav-link {
                font-size: 0.8rem;
                padding: 0.4rem 0.7rem;
            }
            .logo-text {
                font-size: 1rem;
                padding: 0.4rem 0.7rem;
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                flex-wrap: wrap;
                justify-content: flex-start;
                border-radius: 1.5rem;
                padding: 0.5rem 0.8rem;
                gap: 0.2rem;
            }
            .nav-link {
                font-size: 0.78rem;
                padding: 0.35rem 0.6rem;
            }
            .mobile-menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                margin-left: auto;
            }
            .nav-link.nav-hidden-mobile {
                display: none;
            }
            .nav-link.nav-visible-mobile {
                display: inline-flex;
            }
            .nav-capsule.mobile-expanded .nav-link.nav-hidden-mobile {
                display: inline-flex;
            }
            .nav-capsule.mobile-expanded {
                flex-wrap: wrap;
                border-radius: 1.75rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                border-radius: 1.25rem;
                padding: 0.4rem 0.6rem;
                top: 0.25rem;
                margin: 0.25rem 0.5rem 0;
            }
            .nav-link {
                font-size: 0.72rem;
                padding: 0.3rem 0.5rem;
            }
            .logo-text {
                font-size: 0.9rem;
                padding: 0.3rem 0.5rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #142b4d;
            color: #d1d5db;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .site-footer a {
            color: #cbd5e1;
            transition: color var(--transition-base);
        }
        .site-footer a:hover {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 1.5rem 0;
        }

        /* 板块标题 */
        .section-title {
            position: relative;
            display: inline-block;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 48px;
            height: 3px;
            background: #e6b800;
            border-radius: 2px;
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }

        /* 卡片 */
        .chart-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #e5e7eb;
            overflow: hidden;
        }
        .chart-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #d1d5db;
        }

        /* 数据徽章 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.01em;
        }
        .data-badge.up {
            background: #ecfdf5;
            color: #065f46;
        }
        .data-badge.down {
            background: #fef2f2;
            color: #991b1b;
        }
        .data-badge.neutral {
            background: #f0f4fa;
            color: #1e4070;
        }

        /* 走势线条模拟 */
        .trend-indicator {
            display: inline-flex;
            gap: 3px;
            align-items: flex-end;
            height: 28px;
        }
        .trend-indicator .bar {
            width: 5px;
            border-radius: 2px 2px 0 0;
            transition: height var(--transition-smooth);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid #e5e7eb;
            border-radius: var(--radius-lg);
            background: #ffffff;
            transition: all var(--transition-base);
            cursor: pointer;
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .faq-item summary {
            padding: 1rem 1.25rem;
            font-weight: 600;
            color: #1a1a2e;
            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: '+';
            font-size: 1.3rem;
            font-weight: 400;
            color: #6b7280;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.25rem 1rem;
            color: #4b5563;
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* CTA按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: #1e4070;
            color: #fff;
            font-weight: 600;
            border-radius: 2.5rem;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(30, 64, 112, 0.25);
            letter-spacing: 0.02em;
            font-size: 0.95rem;
        }
        .btn-primary:hover {
            background: #2c5a96;
            box-shadow: 0 6px 22px rgba(30, 64, 112, 0.35);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: transparent;
            color: #1e4070;
            font-weight: 600;
            border-radius: 2.5rem;
            border: 2px solid #1e4070;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            font-size: 0.9rem;
        }
        .btn-outline:hover {
            background: #1e4070;
            color: #fff;
            box-shadow: 0 4px 14px rgba(30, 64, 112, 0.2);
        }

        /* Banner overlay */
        .banner-overlay {
            background: linear-gradient(135deg, rgba(12, 26, 48, 0.82) 0%, rgba(20, 43, 77, 0.7) 40%, rgba(30, 64, 112, 0.55) 100%);
        }

        /* 响应式补充 */
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-outline {
                font-size: 0.85rem;
                padding: 0.6rem 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 0.9rem;
            }
            .chart-card {
                border-radius: var(--radius-lg);
            }
        }