/* roulang page: index */
:root {
            --color-primary: #0d2137;
            --color-primary-light: #1a3a5c;
            --color-accent: #c9a84c;
            --color-accent-hover: #b8923a;
            --color-accent-light: #f5ecd7;
            --color-bg: #f8f9fa;
            --color-white: #ffffff;
            --color-text: #1a1a1a;
            --color-text-secondary: #5a5f66;
            --color-text-muted: #8a8f96;
            --color-border: #e2e5e9;
            --color-border-light: #eef0f3;
            --color-card-bg: #ffffff;
            --color-footer-bg: #0a1a2b;
            --color-footer-text: #bcc5cf;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.12);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

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

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 顶部信息条 ========== */
        .top-bar {
            background-color: var(--color-primary);
            color: #c8d6e5;
            font-size: 0.85rem;
            padding: 7px 0;
            letter-spacing: 0.02em;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 18px;
        }
        .top-bar a {
            color: #c8d6e5;
            font-size: 0.83rem;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .top-bar a:hover {
            color: var(--color-accent);
        }
        .top-bar .top-bar-links {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }
        .top-bar .top-bar-links a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .top-bar .top-bar-tag {
            background-color: var(--color-accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* ========== 主导航 ========== */
        .main-header {
            background-color: var(--color-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--color-border-light);
        }
        .navbar {
            padding: 0;
            min-height: 64px;
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--color-primary) !important;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 0;
        }
        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), #d4b85c);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--color-text) !important;
            padding: 20px 16px !important;
            font-size: 0.95rem;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-nav .nav-link:hover {
            color: var(--color-accent) !important;
        }
        .navbar-nav .nav-link.active {
            color: var(--color-accent) !important;
            font-weight: 700;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 12px;
            left: 16px;
            right: 16px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 3px;
        }
        .nav-cta-btn {
            background-color: var(--color-accent);
            color: #fff !important;
            border-radius: 30px;
            padding: 10px 22px !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition-fast);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }
        .nav-cta-btn:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff !important;
        }
        .navbar-toggler {
            border: none;
            padding: 8px 6px;
            color: var(--color-primary);
            box-shadow: none !important;
        }
        .navbar-toggler:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        @media (max-width: 991px) {
            .navbar-nav .nav-link {
                padding: 12px 16px !important;
                font-size: 0.9rem;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-collapse {
                background: var(--color-white);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 10px 0;
                box-shadow: var(--shadow-lg);
                margin-top: 4px;
            }
            .nav-cta-btn {
                margin: 6px 16px;
                text-align: center;
                display: inline-block;
                border-radius: 30px;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-brand .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }

        /* ========== Hero 首屏 ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(13, 33, 55, 0.88) 0%, rgba(26, 58, 92, 0.82) 40%, rgba(13, 33, 55, 0.9) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            background-color: var(--color-accent);
            color: #fff;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }
        .hero-section h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .hero-section .hero-subtitle {
            font-size: 1.2rem;
            color: #d0dbe8;
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background-color: var(--color-accent);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }
        .btn-hero-primary:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45);
            color: #fff;
        }
        .btn-hero-outline {
            background-color: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 13px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 60px 0 70px;
                text-align: center;
            }
            .hero-content {
                margin: 0 auto;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section .hero-subtitle {
                font-size: 1rem;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.6rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 70px 0;
        }
        .section-block.section-alt {
            background-color: var(--color-white);
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.9rem;
            margin-bottom: 10px;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 40px;
            max-width: 600px;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 20px;
        }
        .section-title-wrap .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 45px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== 数据统计卡片 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), #d4b85c);
            border-radius: 0 0 4px 4px;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .stat-number .stat-unit {
            font-size: 1.2rem;
            color: var(--color-accent);
            font-weight: 600;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }
        @media (max-width: 991px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== 核心优势卡片 ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .advantage-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: default;
        }
        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent-light);
        }
        .advantage-icon {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-normal);
        }
        .advantage-card:hover .advantage-icon {
            background: var(--color-accent);
            color: #fff;
        }
        .advantage-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 991px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== 分类入口卡片 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .category-card-img {
            height: 180px;
            object-fit: cover;
            width: 100%;
            display: block;
            background-color: #e9ecef;
        }
        .category-card-body {
            padding: 18px 16px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.5;
        }
        .category-card-body .btn-sm-link {
            align-self: flex-start;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .category-card-body .btn-sm-link:hover {
            color: var(--color-accent-hover);
        }
        @media (max-width: 991px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-card-img {
                height: 200px;
            }
        }

        /* ========== 品牌故事 ========== */
        .brand-story-section {
            background-color: var(--color-white);
        }
        .brand-story-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .brand-story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .brand-story-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }
        .brand-story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-xl);
            box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
            pointer-events: none;
        }
        .brand-story-text h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.7rem;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .brand-story-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-size: 1rem;
            margin-bottom: 12px;
        }
        .brand-story-badge {
            display: inline-block;
            background-color: var(--color-accent-light);
            color: var(--color-accent);
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .brand-story-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-story-image img {
                height: 280px;
            }
        }

        /* ========== 焦点赛事/服务 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .service-card .service-num {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-accent-light);
            position: absolute;
            top: 8px;
            right: 18px;
            line-height: 1;
            opacity: 0.7;
            pointer-events: none;
        }
        .service-card h4 {
            font-weight: 700;
            font-size: 1.08rem;
            color: var(--color-primary);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }
        .service-card .service-icon {
            display: inline-block;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-light);
            color: var(--color-accent);
            text-align: center;
            line-height: 42px;
            font-size: 1.1rem;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 用户评价 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            font-size: 5rem;
            color: var(--color-accent-light);
            position: absolute;
            top: 8px;
            left: 18px;
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
            opacity: 0.6;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .testimonial-card .testimonial-text {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            padding-top: 10px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 合作伙伴 ========== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 30px 40px;
            padding: 10px 0;
        }
        .partner-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 16px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            font-weight: 600;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-align: center;
            min-width: 100px;
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: var(--color-accent);
            border-color: var(--color-accent-light);
        }
        @media (max-width: 520px) {
            .partner-strip {
                gap: 14px 18px;
            }
            .partner-item {
                padding: 12px 18px;
                font-size: 0.82rem;
                min-width: 70px;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background-color: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            padding: 18px 22px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            margin-bottom: 8px;
        }
        .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background-color: #fefdf8;
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-md);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
            outline: none;
        }
        .accordion-button::after {
            transition: transform var(--transition-normal);
        }
        .accordion-body {
            background: var(--color-white);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            padding: 18px 22px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .accordion-item {
            border: none;
            margin-bottom: 10px;
            background: transparent;
        }

        /* ========== 新闻资讯 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-card-img {
            height: 180px;
            object-fit: cover;
            width: 100%;
            background-color: #e9ecef;
        }
        .news-card-body {
            padding: 16px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .news-card-body h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            flex: 1;
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .news-card-body .btn-read-more {
            align-self: flex-start;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card-body .btn-read-more:hover {
            color: var(--color-accent-hover);
        }
        @media (max-width: 991px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA 行动号召 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0d2b45 100%);
            color: #fff;
            text-align: center;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.10);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #c8d6e5;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            background-color: var(--color-accent);
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.05rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            box-shadow: 0 6px 22px rgba(201, 168, 76, 0.4);
        }
        .btn-cta-large:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(201, 168, 76, 0.5);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-brand-desc {
            color: #9aa8b8;
            line-height: 1.7;
            font-size: 0.88rem;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: #9aa8b8;
            font-size: 0.87rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #7a8899;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== 按钮通用增强 ========== */
        .btn:focus-visible,
        a:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 分隔线 ========== */
        .section-divider {
            width: 50px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 20px;
        }

/* roulang page: category3 */
:root {
            --color-primary: #0a2540;
            --color-primary-light: #1a3d5c;
            --color-accent: #c8962e;
            --color-accent-light: #e0b44c;
            --color-accent-dark: #9a7020;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-light: #f1f4f7;
            --color-bg-dark: #0d1f33;
            --color-text: #1c2333;
            --color-text-secondary: #5a6270;
            --color-text-light: #8a929e;
            --color-text-on-dark: #e8ecf1;
            --color-border: #e1e5eb;
            --color-border-light: #eef0f4;
            --color-success: #2e7d5b;
            --color-warning: #e8a020;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-sm: 0 1px 4px rgba(10, 37, 64, 0.06);
            --shadow-md: 0 4px 18px rgba(10, 37, 64, 0.09);
            --shadow-lg: 0 10px 36px rgba(10, 37, 64, 0.12);
            --shadow-xl: 0 18px 50px rgba(10, 37, 64, 0.15);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
            --nav-height: 72px;
            --section-gap: 70px;
            --section-gap-sm: 42px;
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            letter-spacing: 0.015em;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ HEADER & NAV ============ */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .main-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .navbar {
            padding: 0 20px;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary) !important;
            display: flex;
            align-items: center;
            gap: 9px;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .brand-icon {
            font-size: 1.6rem;
            display: inline-block;
            animation: ballBounce 2.2s ease-in-out infinite;
        }
        @keyframes ballBounce {
            0%,
            100% {
                transform: translateY(0);
            }
            30% {
                transform: translateY(-7px);
            }
            50% {
                transform: translateY(0);
            }
            70% {
                transform: translateY(-3px);
            }
            85% {
                transform: translateY(0);
            }
        }
        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            color: var(--color-primary);
            background: transparent;
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 46, 0.3);
            outline: none;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-item {
            list-style: none;
        }
        .nav-link {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-secondary) !important;
            padding: 8px 15px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--color-accent) !important;
            background-color: rgba(200, 150, 46, 0.05);
        }
        .nav-link.active {
            color: var(--color-accent) !important;
            background-color: rgba(200, 150, 46, 0.1);
            font-weight: 700;
        }
        .nav-cta-btn {
            background: var(--color-accent) !important;
            color: #fff !important;
            border-radius: 30px !important;
            padding: 9px 20px !important;
            font-weight: 700 !important;
            letter-spacing: 0.03em;
            box-shadow: 0 3px 12px rgba(200, 150, 46, 0.3);
            transition: all var(--transition-normal);
            margin-left: 6px;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-light) !important;
            box-shadow: 0 6px 20px rgba(200, 150, 46, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* ============ INNER BANNER ============ */
        .inner-banner {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 70px 0 64px;
            text-align: center;
            overflow: hidden;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 37, 64, 0.82) 0%, rgba(10, 37, 64, 0.7) 100%);
            z-index: 1;
        }
        .inner-banner .container {
            position: relative;
            z-index: 2;
        }
        .inner-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 46, 0.2);
            color: var(--color-accent-light);
            border: 1px solid rgba(200, 150, 46, 0.4);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .inner-banner h1 {
            color: #ffffff;
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }
        .inner-banner .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.12rem;
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 10px;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            margin-bottom: 44px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-accent-line {
            width: 56px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 20px;
        }

        /* ============ CARDS ============ */
        .guide-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .guide-card .card-icon-wrap {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .guide-card .card-icon-wrap.icon-blue {
            background: #e8f0fa;
            color: #1a5c8a;
        }
        .guide-card .card-icon-wrap.icon-gold {
            background: #fdf3e0;
            color: #b8861e;
        }
        .guide-card .card-icon-wrap.icon-green {
            background: #e6f4ec;
            color: #2e7d5b;
        }
        .guide-card .card-icon-wrap.icon-purple {
            background: #f0e8f8;
            color: #5b3a8c;
        }
        .guide-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .guide-card p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
            flex-grow: 1;
        }
        .guide-card .card-tag {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(200, 150, 46, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            align-self: flex-start;
        }

        /* ============ STRATEGY BLOCK ============ */
        .strategy-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
        }
        .strategy-block .strategy-img {
            flex: 0 0 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .strategy-block .strategy-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .strategy-block:hover .strategy-img img {
            transform: scale(1.04);
        }
        .strategy-block .strategy-content {
            flex: 1;
            min-width: 260px;
        }
        .strategy-block .strategy-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .strategy-block .strategy-content p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .strategy-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .strategy-list li {
            padding: 8px 0 8px 26px;
            position: relative;
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .strategy-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ============ DATA STATS ROW ============ */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .stat-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            flex: 1 1 200px;
            min-width: 180px;
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-item .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            font-weight: 500;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-bg-light);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
        }
        .faq-section .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-bg-white);
            box-shadow: var(--shadow-sm);
        }
        .faq-section .accordion-button {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-primary);
            background: var(--color-bg-white);
            box-shadow: none;
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: #fdfaf3;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 46, 0.25);
            border-color: var(--color-accent);
        }
        .faq-section .accordion-body {
            padding: 18px 20px 22px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.88) 0%, rgba(10, 37, 64, 0.78) 100%);
            z-index: 1;
            border-radius: var(--radius-xl);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.08rem;
            padding: 14px 36px;
            border-radius: 40px;
            letter-spacing: 0.03em;
            box-shadow: 0 8px 28px rgba(200, 150, 46, 0.4);
            transition: all var(--transition-normal);
            border: none;
            text-decoration: none;
        }
        .btn-cta-large:hover {
            background: var(--color-accent-light);
            box-shadow: 0 12px 36px rgba(200, 150, 46, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 56px 0 0;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.35rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .footer-brand-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.75;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.85rem;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .inner-banner h1 {
                font-size: 2.1rem;
            }
            .strategy-block {
                flex-direction: column;
            }
            .strategy-block .strategy-img {
                flex: 0 0 auto;
                width: 100%;
                max-width: 420px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .faq-section {
                padding: 36px 24px;
            }
        }
        @media (max-width: 768px) {
            .navbar {
                height: 60px;
            }
            .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-nav {
                gap: 2px;
                padding: 12px 0;
            }
            .nav-link {
                font-size: 0.88rem;
                padding: 7px 12px !important;
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
                display: inline-block;
            }
            .inner-banner {
                padding: 44px 0 38px;
            }
            .inner-banner h1 {
                font-size: 1.7rem;
            }
            .inner-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
                margin-bottom: 28px;
            }
            .guide-card {
                padding: 20px 16px;
            }
            .guide-card h3 {
                font-size: 1.05rem;
            }
            .strategy-block {
                padding: 24px 18px;
                gap: 20px;
            }
            .strategy-block .strategy-content h3 {
                font-size: 1.2rem;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-large {
                font-size: 0.95rem;
                padding: 12px 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .faq-section {
                padding: 24px 14px;
                border-radius: var(--radius-lg);
            }
            .faq-section .accordion-button {
                font-size: 0.92rem;
                padding: 12px 14px;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-item {
                padding: 20px 16px;
                min-width: 130px;
            }
        }
        @media (max-width: 520px) {
            .inner-banner h1 {
                font-size: 1.4rem;
            }
            .inner-banner .banner-desc {
                font-size: 0.85rem;
            }
            .guide-card {
                padding: 16px 12px;
            }
            .strategy-block .strategy-img {
                max-width: 100%;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .btn-cta-large {
                width: 100%;
                text-align: center;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1e4d7a;
            --primary-dark: #0f2a45;
            --accent: #c8963e;
            --accent-light: #e0b866;
            --accent-dark: #a0782e;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-sand: #faf8f4;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-body: #3a3a4a;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f1f3;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, 'Segoe UI', sans-serif;
            --section-gap: clamp(48px, 6vw, 80px);
            --card-gap: clamp(16px, 2.5vw, 28px);
        }

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

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== HEADER ========== */
        .main-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .main-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .navbar {
            padding-top: 10px;
            padding-bottom: 10px;
            min-height: 62px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary) !important;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            font-size: 1.25rem;
            color: #fff;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 6px;
        }
        .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body) !important;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(26, 60, 94, 0.04);
        }
        .nav-link.active {
            color: var(--accent-dark) !important;
            background: rgba(200, 150, 62, 0.08);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            border-radius: 24px !important;
            padding: 8px 20px !important;
            font-weight: 600 !important;
            margin-left: 8px;
            transition: all var(--transition) !important;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            color: var(--primary);
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 6px;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius);
                padding: 12px 16px;
                margin-top: 8px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border-light);
            }
            .navbar-nav {
                gap: 2px;
            }
            .nav-link {
                border-radius: var(--radius-sm);
                padding: 10px 16px !important;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--accent);
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
                border-radius: var(--radius-sm) !important;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(170deg, #0f2a45 0%, #1a3c5e 30%, #1e4d7a 65%, #163550 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-blend-mode: overlay;
            padding: clamp(56px, 8vw, 90px) 0;
            position: relative;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 60%, rgba(200, 150, 62, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50px;
            background: linear-gradient(to top, var(--bg-light), transparent);
            pointer-events: none;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            color: #ffffff;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .page-banner .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: clamp(28px, 4vw, 44px);
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.1);
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.4rem, 2.4vw, 1.85rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== LOTTERY RESULT HERO CARD ========== */
        .latest-result-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .latest-result-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .latest-result-card .result-header {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .result-header .result-period {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.04em;
        }
        .result-header .result-status {
            background: rgba(255, 255, 255, 0.2);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        .result-header .result-status.live {
            background: #e53e3e;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }
        .latest-result-card .result-body {
            padding: 20px 24px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
        }
        .result-match-item {
            text-align: center;
            padding: 14px 10px;
            background: var(--bg-light);
            border-radius: var(--radius);
            transition: all var(--transition-fast);
        }
        .result-match-item:hover {
            background: #eef2f7;
            transform: translateY(-2px);
            box-shadow: var(--shadow-xs);
        }
        .result-match-item .match-teams {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .result-match-item .match-score {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            letter-spacing: 0.05em;
        }
        .result-match-item .match-half {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .latest-result-card .result-footer {
            padding: 14px 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ========== ANNOUNCEMENT LIST ========== */
        .announcement-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .announcement-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-wrap: wrap;
        }
        .announcement-item:hover {
            box-shadow: var(--shadow);
            border-color: #d0d5dd;
            transform: translateX(3px);
        }
        .announcement-item .ann-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .announcement-item .ann-dot.new {
            background: #e53e3e;
            animation: pulse-dot 1.8s infinite;
        }
        .announcement-item .ann-content {
            flex: 1;
            min-width: 200px;
        }
        .announcement-item .ann-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .announcement-item .ann-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .announcement-item .ann-badge {
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent-dark);
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ========== PLAY TYPE CARDS ========== */
        .play-type-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--card-gap);
        }
        .play-type-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .play-type-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .play-type-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: #d0d5dd;
        }
        .play-type-card:hover::before {
            opacity: 1;
        }
        .play-type-card .play-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(26, 60, 94, 0.08), rgba(200, 150, 62, 0.12));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 14px;
            color: var(--primary);
        }
        .play-type-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .play-type-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.55;
        }
        .play-type-card .play-link {
            display: inline-block;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent-dark);
            transition: color var(--transition-fast);
        }
        .play-type-card .play-link:hover {
            color: var(--primary);
        }
        .play-type-card .play-link i {
            margin-left: 4px;
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .play-type-card:hover .play-link i {
            transform: translateX(3px);
        }

        /* ========== SCHEDULE TABLE ========== */
        .schedule-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .schedule-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            text-align: center;
        }
        .schedule-table tbody td {
            padding: 13px 16px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }
        .schedule-table tbody tr {
            transition: background var(--transition-fast);
        }
        .schedule-table tbody tr:hover {
            background: rgba(200, 150, 62, 0.04);
        }
        .schedule-table .status-open {
            display: inline-block;
            background: #e6f7ed;
            color: #1a7a3a;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .schedule-table .status-closed {
            display: inline-block;
            background: #fef0f0;
            color: #c0392b;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: clamp(28px, 4vw, 44px) clamp(20px, 3vw, 36px);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .faq-section .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border-light);
            background: transparent;
        }
        .faq-section .accordion-item:last-child {
            border-bottom: none;
        }
        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            background: transparent;
            box-shadow: none;
            padding: 16px 8px;
            border-radius: var(--radius-sm) !important;
            transition: all var(--transition-fast);
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.04);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius-sm);
        }
        .faq-section .accordion-button::after {
            transition: transform var(--transition);
        }
        .faq-section .accordion-body {
            padding: 8px 8px 20px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a3c5e 0%, #0f2a45 50%, #1e4d7a 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-radius: var(--radius-xl);
            padding: clamp(36px, 5vw, 56px) clamp(24px, 4vw, 48px);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 70%, rgba(200, 150, 62, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: clamp(1.3rem, 2.2vw, 1.7rem);
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            font-size: 0.95rem;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: 28px;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            letter-spacing: 0.03em;
            border: none;
        }
        .btn-cta-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light-custom {
            display: inline-block;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            letter-spacing: 0.03em;
            margin-left: 12px;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        @media (max-width: 520px) {
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 10px;
            }
            .cta-section .btn-cta-primary,
            .cta-section .btn-outline-light-custom {
                display: block;
                width: 100%;
                text-align: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1f33;
            color: #cbd5e1;
            padding: clamp(40px, 5vw, 56px) 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: clamp(24px, 3vw, 40px);
            margin-bottom: 32px;
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.65;
            margin-bottom: 0;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: #94a3b8;
            padding: 4px 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-col a i {
            width: 18px;
            text-align: center;
            margin-right: 6px;
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
        }

        /* ========== MISC ========== */
        .text-accent {
            color: var(--accent) !important;
        }
        .fw-700 {
            font-weight: 700;
        }
        .gap-3-custom {
            gap: 12px;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 40px 0 50px;
            }
            .latest-result-card .result-body {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                padding: 14px 14px;
            }
            .result-match-item {
                padding: 10px 6px;
            }
            .result-match-item .match-score {
                font-size: 1.1rem;
            }
            .announcement-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .play-type-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .play-type-card {
                padding: 20px 14px;
            }
        }
        @media (max-width: 520px) {
            .play-type-grid {
                grid-template-columns: 1fr;
            }
            .latest-result-card .result-body {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .result-match-item .match-teams {
                font-size: 0.78rem;
            }
            .result-match-item .match-score {
                font-size: 1rem;
            }
            .schedule-table thead th,
            .schedule-table tbody td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
            .result-header .result-period {
                font-size: 0.95rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-navy: #0f2b46;
            --brand-navy-light: #1a3f5c;
            --brand-gold: #c9a84c;
            --brand-gold-light: #d4b860;
            --brand-gold-pale: #f5ecd7;
            --brand-red-accent: #c0392b;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --bg-page: #f4f6f9;
            --bg-white: #ffffff;
            --bg-light-card: #fafbfc;
            --bg-navy-section: #0f2b46;
            --bg-gold-section: #fdf8f0;
            --border-light: #e2e8f0;
            --border-medium: #d1d5db;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 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;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0;
        }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 顶部信息条 ========== */
        .top-info-bar {
            background: var(--brand-navy);
            color: #cbd5e1;
            font-size: 13px;
            padding: 8px 0;
            letter-spacing: 0.3px;
        }
        .top-info-bar .info-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .top-info-bar a {
            color: #e2e8f0;
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .top-info-bar a:hover {
            color: var(--brand-gold-light);
        }
        .top-info-bar .info-tag {
            background: rgba(255, 255, 255, 0.1);
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
        }

        /* ========== 主导航 ========== */
        .main-header {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--border-light);
        }
        .main-header .navbar {
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--brand-navy) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .navbar-brand:hover {
            color: var(--brand-gold) !important;
        }
        .brand-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-gold-pale);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 6px;
        }
        .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary) !important;
            padding: 8px 14px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            color: var(--brand-navy) !important;
            background: #f1f5f9;
        }
        .nav-link.active {
            color: var(--brand-gold) !important;
            background: var(--brand-gold-pale);
            font-weight: 700;
        }
        .nav-cta-btn {
            background: var(--brand-red-accent) !important;
            color: #fff !important;
            border-radius: 24px !important;
            padding: 8px 18px !important;
            font-weight: 700 !important;
            font-size: 0.9rem !important;
            letter-spacing: 0.4px;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 8px rgba(192, 57, 43, 0.25);
        }
        .nav-cta-btn:hover {
            background: #a93226 !important;
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.4);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 2px solid var(--border-medium);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            color: var(--brand-navy);
            transition: all var(--transition-fast);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.25);
            outline: none;
        }
        @media (max-width: 991px) {
            .navbar-nav {
                padding-top: 12px;
                gap: 4px;
            }
            .nav-link {
                padding: 10px 16px !important;
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn {
                margin-top: 6px;
                text-align: center;
                display: inline-block;
                width: fit-content;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: transparent;
            padding: 14px 0 0 0;
            margin-bottom: 0;
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: 0.875rem;
            font-weight: 500;
        }
        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--brand-gold);
        }
        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--brand-navy);
            font-weight: 600;
        }

        /* ========== 分类 Banner ========== */
        .category-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: 64px 0 56px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 28px;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 27, 40, 0.88) 0%, rgba(15, 43, 70, 0.78) 50%, rgba(15, 27, 40, 0.7) 100%);
            z-index: 1;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .category-banner .banner-badge {
            display: inline-block;
            background: var(--brand-gold);
            color: var(--brand-navy);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 24px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .category-banner .banner-subtitle {
            font-size: 1.15rem;
            color: #e2e8f0;
            max-width: 620px;
            line-height: 1.6;
            font-weight: 400;
        }
        .category-banner .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .category-banner .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #f1f5f9;
            font-weight: 600;
            font-size: 0.95rem;
        }
        .category-banner .banner-stat-item i {
            color: var(--brand-gold-light);
        }
        @media (max-width: 768px) {
            .category-banner {
                padding: 40px 0 36px;
                border-radius: var(--radius-md);
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner .banner-subtitle {
                font-size: 1rem;
            }
            .category-banner .banner-stats-row {
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-stats-row {
                gap: 10px;
            }
            .category-banner .banner-stat-item {
                font-size: 0.82rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 40px 0;
        }
        .section-block .section-heading {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--brand-navy);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .section-block .section-subheading {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            font-weight: 400;
        }
        .section-block .section-divider {
            width: 48px;
            height: 3px;
            background: var(--brand-gold);
            border-radius: 3px;
            margin-bottom: 20px;
        }

        /* ========== 筛选栏 ========== */
        .filter-bar {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 16px;
            margin-bottom: 28px;
        }
        .filter-bar .filter-label {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--brand-navy);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-bar .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-bar .filter-tag {
            padding: 7px 16px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            border: 2px solid var(--border-light);
            background: var(--bg-white);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .filter-bar .filter-tag:hover {
            border-color: var(--brand-gold);
            color: var(--brand-navy);
            background: var(--brand-gold-pale);
        }
        .filter-bar .filter-tag.active-filter {
            background: var(--brand-navy);
            color: #fff;
            border-color: var(--brand-navy);
            font-weight: 700;
        }
        @media (max-width: 520px) {
            .filter-bar {
                padding: 14px 16px;
                gap: 8px 10px;
            }
            .filter-bar .filter-tag {
                padding: 5px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 文章卡片网格 ========== */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 16px;
        }
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #d0d7e2;
        }
        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e9ecef;
        }
        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .article-card .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-red-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 16px;
            letter-spacing: 0.3px;
            z-index: 2;
        }
        .article-card .card-img-wrap .card-badge.hot-badge {
            background: #e67e22;
        }
        .article-card .card-body-content {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .article-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-card:hover .card-title {
            color: var(--brand-navy);
        }
        .article-card .card-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .article-card .card-link {
            font-weight: 700;
            font-size: 0.875rem;
            color: var(--brand-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .article-card .card-link:hover {
            color: var(--brand-navy);
            gap: 8px;
        }

        /* ========== 深度分析特色 ========== */
        .featured-analysis {
            background: var(--bg-navy-section);
            color: #f1f5f9;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 0;
            margin-bottom: 20px;
        }
        .featured-analysis .featured-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 380px;
        }
        @media (max-width: 768px) {
            .featured-analysis .featured-inner {
                grid-template-columns: 1fr;
                min-height: auto;
            }
        }
        .featured-analysis .featured-img {
            background-image: url('assets/images/coverpic/cover-9.webp');
            background-size: cover;
            background-position: center;
            min-height: 320px;
            position: relative;
        }
        .featured-analysis .featured-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(15, 43, 70, 0.4) 0%, transparent 100%);
        }
        @media (max-width: 768px) {
            .featured-analysis .featured-img {
                min-height: 200px;
            }
            .featured-analysis .featured-img::after {
                background: linear-gradient(to bottom, rgba(15, 43, 70, 0.3) 0%, transparent 100%);
            }
        }
        .featured-analysis .featured-text {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-analysis .featured-text h3 {
            font-size: 1.45rem;
            color: #fff;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .featured-analysis .featured-text p {
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }
        .featured-analysis .featured-text .btn-featured {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-gold);
            color: var(--brand-navy);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            border: none;
            width: fit-content;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }
        .featured-analysis .featured-text .btn-featured:hover {
            background: var(--brand-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.35);
        }
        @media (max-width: 520px) {
            .featured-analysis .featured-text {
                padding: 24px 18px;
            }
            .featured-analysis .featured-text h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== 热门联赛数据卡片 ========== */
        .league-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .league-data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .league-data-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }
        .league-data-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }
        .league-data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .league-data-card .league-icon {
            font-size: 2.2rem;
            margin-bottom: 10px;
            display: block;
        }
        .league-data-card .league-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-navy);
            margin-bottom: 4px;
        }
        .league-data-card .league-stat {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.5px;
        }
        .league-data-card .league-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== 平台数据统计 ========== */
        .stats-strip {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        @media (max-width: 768px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 20px 14px;
            }
        }
        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }
        .stats-strip .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-navy);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .stats-strip .stat-item .stat-number .stat-accent {
            color: var(--brand-gold);
        }
        .stats-strip .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }
        .faq-section .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-section .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            box-shadow: none !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--brand-navy);
            background: var(--brand-gold-pale);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2) !important;
            outline: none;
        }
        .faq-section .accordion-body {
            padding: 18px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA 板块 ========== */
        .cta-panel {
            background: linear-gradient(135deg, var(--brand-navy) 0%, #1a3f5c 60%, var(--brand-navy-light) 100%);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
        }
        .cta-panel h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-panel p {
            color: #cbd5e1;
            margin-bottom: 20px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-panel .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-gold);
            color: var(--brand-navy);
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 28px;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-base);
            letter-spacing: 0.4px;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
        }
        .cta-panel .btn-cta-lg:hover {
            background: var(--brand-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45);
        }
        @media (max-width: 520px) {
            .cta-panel {
                padding: 28px 18px;
            }
            .cta-panel h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0b1e30;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: auto;
            border-top: 4px solid var(--brand-gold);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 24px;
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-brand-desc {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 340px;
        }
        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            color: #94a3b8;
            font-size: 0.875rem;
            padding: 4px 0;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a:hover {
            color: var(--brand-gold-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 0.82rem;
            color: #64748b;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-bottom p {
            margin: 0;
        }

        /* ========== 分页组件 ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            padding: 16px 0;
        }
        .pagination-wrap .page-link {
            border-radius: var(--radius-sm);
            margin: 0 3px;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--border-light);
            padding: 8px 14px;
            transition: all var(--transition-fast);
        }
        .pagination-wrap .page-link:hover {
            background: var(--brand-gold-pale);
            color: var(--brand-navy);
            border-color: var(--brand-gold);
        }
        .pagination-wrap .page-item.active .page-link {
            background: var(--brand-navy);
            color: #fff;
            border-color: var(--brand-navy);
            font-weight: 700;
        }

        /* ========== 辅助 ========== */
        .text-gold {
            color: var(--brand-gold) !important;
        }
        .bg-light-page {
            background: var(--bg-page);
        }
        .bg-white-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
        }
        @media (max-width: 520px) {
            .bg-white-block {
                padding: 18px 14px;
                border-radius: var(--radius-md);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1B3A5C;
            --primary-light: #2C5F8A;
            --primary-dark: #0F2640;
            --accent: #C8963E;
            --accent-light: #D4A85C;
            --accent-dark: #A87A2E;
            --bg-white: #FFFFFF;
            --bg-light: #F7F8FA;
            --bg-soft: #EEF1F5;
            --bg-dark: #0F1E30;
            --text-dark: #1a1a2e;
            --text-body: #3a3d48;
            --text-muted: #6c757d;
            --text-light: #9ca3af;
            --border: #e2e6ea;
            --border-light: #eef1f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.25s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
        }

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

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

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

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

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

        button {
            font-family: inherit;
        }

        /* Container override */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        /* ======= HEADER & NAV ======= */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .main-header .navbar {
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .navbar-brand:hover {
            color: var(--accent) !important;
        }

        .brand-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            background: var(--bg-light);
            transition: var(--transition);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(27, 58, 92, 0.15);
            outline: none;
        }

        .navbar-nav .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            background: var(--bg-soft);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            border-radius: 24px !important;
            padding: 8px 20px !important;
            margin-left: 6px;
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.3);
            transition: var(--transition);
        }

        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
        }

        .nav-cta-btn.active {
            background: var(--accent-dark) !important;
            color: #fff !important;
        }

        .nav-cta-btn.active::after {
            display: none;
        }

        @media (max-width: 991.98px) {
            .navbar-nav {
                padding-top: 12px;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
                display: inline-block;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
        }

        /* ======= PAGE BANNER ======= */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 38, 64, 0.88) 0%, rgba(27, 58, 92, 0.78) 40%, rgba(15, 38, 64, 0.85) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 60px 0;
        }

        .page-banner .banner-breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-banner .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

        .page-banner .banner-breadcrumb a:hover {
            color: var(--accent-light);
        }

        .page-banner .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.45);
        }

        .page-banner .banner-title {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            color: #fff;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.7;
        }

        .page-banner .banner-accent-line {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner .banner-title {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .page-banner .banner-content {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 220px;
            }
            .page-banner .banner-title {
                font-size: 1.5rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
        }

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

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

        .section-header .section-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.1);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-header .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

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

        .section-accent-line {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 0 auto 16px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-header .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 32px 0;
            }
            .section-header .section-title {
                font-size: 1.35rem;
            }
        }

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

        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .stat-card .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 4px;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            background: rgba(200, 150, 62, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        @media (max-width: 991.98px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ======= SERVICE CARDS ======= */
        .service-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .service-card .card-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .service-card .card-img-wrap .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(15, 38, 64, 0.6) 100%);
            pointer-events: none;
        }

        .service-card .card-body-custom {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.1);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            width: fit-content;
        }

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

        .service-card .card-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .service-card .card-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .service-card .card-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        @media (max-width: 991.98px) {
            .service-cards-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 600px) {
            .service-cards-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card .card-img-wrap {
                height: 180px;
            }
        }

        /* ======= LEAGUE COVERAGE ======= */
        .coverage-block {
            background: var(--bg-light);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
        }

        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .coverage-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .coverage-item .coverage-icon {
            font-size: 2rem;
            margin-bottom: 8px;
        }

        .coverage-item .coverage-name {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
        }

        .coverage-item .coverage-count {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 3px;
        }

        @media (max-width: 991.98px) {
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .coverage-block {
                padding: 32px 24px;
            }
        }

        @media (max-width: 520px) {
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .coverage-item {
                padding: 16px 10px;
            }
            .coverage-block {
                padding: 24px 14px;
            }
        }

        /* ======= DATA LIST ======= */
        .data-list-section .data-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: var(--transition);
        }

        .data-list-section .data-item:hover {
            background: var(--bg-soft);
            margin: 0 -16px;
            padding-left: 16px;
            padding-right: 16px;
            border-radius: var(--radius-sm);
            border-bottom-color: transparent;
        }

        .data-item .data-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .data-item .data-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .data-item .data-info {
            flex: 1;
            min-width: 0;
        }

        .data-item .data-date {
            font-size: 0.8rem;
            color: var(--accent-dark);
            font-weight: 500;
            margin-bottom: 4px;
        }

        .data-item .data-title {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1.02rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .data-item .data-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 600px) {
            .data-item {
                flex-direction: column;
                gap: 12px;
            }
            .data-item .data-thumb {
                width: 100%;
                height: 140px;
            }
            .data-list-section .data-item:hover {
                margin: 0 -8px;
                padding-left: 8px;
                padding-right: 8px;
            }
        }

        /* ======= INFO BLOCK ======= */
        .info-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .info-block .info-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .info-block .info-img img {
            width: 100%;
            height: auto;
        }

        .info-block .info-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
        }

        .info-block .info-text p {
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .info-block .info-features {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .info-block .info-features li {
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-body);
            font-size: 0.95rem;
        }

        .info-block .info-features li i {
            color: var(--accent);
            font-size: 1rem;
        }

        @media (max-width: 768px) {
            .info-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .info-block .info-text h3 {
                font-size: 1.35rem;
            }
        }

        /* ======= FAQ ======= */
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            transition: var(--transition);
        }

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

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: var(--radius) !important;
            box-shadow: none !important;
            transition: var(--transition);
        }

        .faq-section .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-soft);
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 58, 92, 0.1) !important;
            border-color: var(--primary-light);
        }

        .faq-section .accordion-body {
            padding: 16px 20px 22px;
            color: var(--text-body);
            line-height: 1.8;
            font-size: 0.95rem;
            background: var(--bg-white);
        }

        @media (max-width: 520px) {
            .faq-section .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-section .accordion-body {
                padding: 12px 16px 18px;
                font-size: 0.88rem;
            }
        }

        /* ======= CTA ======= */
        .cta-section {
            background: var(--primary-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            margin: 0 0 64px;
        }

        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 28px;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.4);
            border: none;
            cursor: pointer;
        }

        .btn-cta-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.5);
            color: #fff;
        }

        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            transition: var(--transition);
            margin-left: 12px;
        }

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

        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
                margin: 0 0 40px;
            }
            .cta-section .cta-title {
                font-size: 1.4rem;
            }
            .btn-outline-light-custom {
                margin-left: 0;
                margin-top: 10px;
            }
        }

        /* ======= FOOTER ======= */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 20px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .site-footer .footer-brand-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.88rem;
        }

        .site-footer .footer-col h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }

        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
            font-size: 0.88rem;
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }

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

        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
        }

        /* ======= BUTTONS ======= */
        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 24px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(200, 150, 62, 0.3);
            font-size: 0.9rem;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 20px rgba(200, 150, 62, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-primary-custom {
            display: inline-block;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            padding: 9px 22px;
            border-radius: 24px;
            font-size: 0.9rem;
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
        }

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

        /* ======= MISC ======= */
        .bg-soft {
            background: var(--bg-soft);
        }

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

        .text-accent {
            color: var(--accent) !important;
        }

        .text-primary-custom {
            color: var(--primary) !important;
        }

        .fw-700 {
            font-weight: 700;
        }

        .mt-section {
            margin-top: 64px;
        }

        @media (max-width: 768px) {
            .mt-section {
                margin-top: 44px;
            }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }