/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1f3d;
            --primary-light: #1a3058;
            --primary-dark: #0a1429;
            --accent: #f5a623;
            --accent-hover: #d48f1a;
            --accent-light: #fdebd0;
            --bg-light: #f4f6fc;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3748;
            --text-muted: #6b7a8f;
            --text-light: #a0b0c3;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --shadow-sm: 0 2px 8px rgba(15, 31, 61, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 31, 61, 0.10);
            --shadow-lg: 0 20px 60px rgba(15, 31, 61, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.5em;
        }
        p {
            margin-bottom: 1em;
            color: var(--text-body);
        }
        p:last-child {
            margin-bottom: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        .container-narrow {
            max-width: 900px;
        }
        .container-wide {
            max-width: 1400px;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: var(--primary);
            padding: 0;
            box-shadow: 0 4px 20px rgba(15, 31, 61, 0.25);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 3px solid var(--accent);
        }
        .navbar-custom .navbar-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.5px;
            padding: 14px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-custom .navbar-brand i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--accent);
        }
        .navbar-custom .navbar-nav {
            gap: 6px;
            padding: 8px 0;
        }
        .navbar-custom .nav-link {
            color: rgba(255, 255, 255, 0.80);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            background: transparent;
            border: 1px solid transparent;
        }
        .navbar-custom .nav-link i {
            margin-right: 8px;
            font-size: 0.85rem;
            color: var(--accent);
            opacity: 0.7;
        }
        .navbar-custom .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-1px);
        }
        .navbar-custom .nav-link.active {
            color: #ffffff;
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.35);
        }
        .navbar-custom .nav-link.active i {
            color: #ffffff;
            opacity: 1;
        }
        .navbar-custom .nav-cta {
            background: var(--accent);
            color: var(--primary-dark) !important;
            font-weight: 700;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            border: none;
            margin-left: 12px;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.30);
        }
        .navbar-custom .nav-cta i {
            color: var(--primary-dark) !important;
            opacity: 1 !important;
        }
        .navbar-custom .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.45);
            color: var(--primary-dark) !important;
        }
        .navbar-toggler {
            border: 2px solid rgba(255, 255, 255, 0.25);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .navbar-custom .navbar-collapse {
                background: var(--primary-light);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 8px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .navbar-custom .navbar-nav {
                gap: 4px;
                padding: 0;
            }
            .navbar-custom .nav-link {
                padding: 12px 18px;
                border-radius: var(--radius-sm);
            }
            .navbar-custom .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding: 80px 0 100px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(15, 31, 61, 0.70) 50%, rgba(15, 31, 61, 0.40) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
            z-index: 2;
        }
        .hero .container {
            position: relative;
            z-index: 3;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 166, 35, 0.18);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(245, 166, 35, 0.30);
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.30);
        }
        .hero h1 span {
            color: var(--accent);
            display: inline-block;
        }
        .hero p {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 700px;
            margin: 0 auto 36px;
            line-height: 1.8;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 166, 35, 0.50);
            color: var(--primary-dark);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(8px);
            color: #ffffff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffffff;
            display: block;
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            font-weight: 500;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 80vh;
                padding: 60px 0 80px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 28px;
            }
            .hero-stat-item .num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 16px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--primary);
            color: #ffffff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .section-subtitle {
            color: #ffffff;
        }
        .section-dark .text-muted {
            color: rgba(255, 255, 255, 0.65) !important;
        }
        .section-accent {
            background: var(--accent-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }
        .section-header .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header .section-line {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 18px auto 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .section-header .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== 平台简介 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 31, 61, 0.20), transparent);
            pointer-events: none;
        }
        .intro-content h2 {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }
        .intro-content p {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 28px;
        }
        .intro-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
            color: var(--text-dark);
        }
        .intro-feature-item i {
            color: var(--accent);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }
        @media (max-width: 991.98px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .intro-image img {
                height: 280px;
            }
            .intro-content h2 {
                font-size: 1.8rem;
            }
            .intro-features {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .intro-image img {
                height: 200px;
            }
            .intro-content h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 分类入口 / 服务卡片 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .service-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .service-card:hover .card-img img {
            transform: scale(1.06);
        }
        .service-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .service-card .card-body {
            padding: 24px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .service-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .service-card .card-body .card-link {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            font-size: 0.9rem;
        }
        .service-card .card-body .card-link i {
            font-size: 0.75rem;
            transition: var(--transition);
        }
        .service-card .card-body .card-link:hover {
            color: var(--accent);
        }
        .service-card .card-body .card-link:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 991.98px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card .card-img {
                height: 180px;
            }
        }

        /* ===== 平台特色 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .feature-item {
            text-align: center;
            padding: 36px 24px 30px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .feature-item .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .feature-item:hover .icon {
            background: var(--accent);
            color: #ffffff;
            transform: scale(1.08);
        }
        .feature-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-item {
                padding: 28px 18px 24px;
            }
        }

        /* ===== 最新资讯 CMS 列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .news-card .news-img {
            height: 190px;
            overflow: hidden;
            position: relative;
            background: var(--primary-light);
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-img img {
            transform: scale(1.06);
        }
        .news-card .news-img .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.7rem;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .news-card .news-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-body .news-date {
            font-size: 0.8rem;
            color: var(--text-light);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }
        .news-card .news-body .news-date i {
            font-size: 0.7rem;
        }
        .news-card .news-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-body h3 a {
            color: var(--text-dark);
        }
        .news-card .news-body h3 a:hover {
            color: var(--accent);
        }
        .news-card .news-body .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-body .news-more {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
        }
        .news-card .news-body .news-more i {
            font-size: 0.7rem;
            transition: var(--transition);
        }
        .news-card .news-body .news-more:hover {
            color: var(--accent);
        }
        .news-card .news-body .news-more:hover i {
            transform: translateX(4px);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            color: var(--text-muted);
            font-size: 1rem;
        }
        .news-empty i {
            font-size: 2.4rem;
            color: var(--text-light);
            display: block;
            margin-bottom: 16px;
        }
        @media (max-width: 991.98px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-card .news-img {
                height: 200px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 20px 12px;
        }
        .stat-item .stat-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
            display: block;
        }
        .stat-item .stat-num span {
            color: var(--accent);
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.70);
            font-weight: 500;
            margin-top: 6px;
            display: block;
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
            opacity: 0.8;
        }
        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-num {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 1.8rem;
            }
            .stat-item .stat-label {
                font-size: 0.85rem;
            }
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(to right, var(--accent), var(--primary-light));
            z-index: 0;
            border-radius: 4px;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 8px;
        }
        .step-item .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 1.3rem;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.30);
            position: relative;
            z-index: 2;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .steps-grid::before {
                display: none;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .step-item {
                display: flex;
                align-items: center;
                text-align: left;
                gap: 18px;
                padding: 0;
            }
            .step-item .step-circle {
                margin: 0;
                flex-shrink: 0;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .step-item h3 {
                margin-bottom: 4px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.92), rgba(15, 31, 61, 0.75));
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 18px 48px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(245, 166, 35, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 44px rgba(245, 166, 35, 0.50);
            color: var(--primary-dark);
        }
        .cta-section .btn-cta i {
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                width: 100%;
                justify-content: center;
                padding: 16px 28px;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.70);
            padding: 56px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--accent);
            opacity: 0.6;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 20px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 991.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-custom i {
            font-size: 0.8rem;
        }

        /* ===== 辅助 ===== */
        .text-accent {
            color: var(--accent) !important;
        }
        .bg-accent {
            background: var(--accent) !important;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-20 {
            gap: 20px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .text-center {
            text-align: center;
        }
        .d-flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Bootstrap 覆盖 ===== */
        .btn-primary {
            background-color: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
        }
        .btn-outline-primary {
            border-color: var(--primary);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 28px;
        }
        .btn-outline-primary:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #ffffff;
        }

/* roulang page: article */
/* ========== Design Variables ========== */
        :root {
            --clr-primary: #1a3a5c;
            --clr-primary-light: #2a5a8c;
            --clr-primary-dark: #0f2440;
            --clr-accent: #e8a838;
            --clr-accent-hover: #d4952e;
            --clr-bg: #f8f9fc;
            --clr-bg-alt: #ffffff;
            --clr-bg-dark: #0f1a2e;
            --clr-text: #1e2a3a;
            --clr-text-light: #5a6a7a;
            --clr-text-white: #f0f4fa;
            --clr-border: #e2e8f0;
            --clr-border-light: #edf2f7;
            --clr-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --clr-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--clr-text);
            background-color: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--clr-primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-accent);
        }
        a:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

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

        /* ========== Navbar ========== */
        .navbar-custom {
            background: var(--clr-bg-alt);
            border-bottom: 1px solid var(--clr-border);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            min-height: var(--nav-height);
            padding: 0;
            transition: box-shadow var(--transition);
        }
        .navbar-custom .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--clr-primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
        }
        .navbar-custom .navbar-brand i {
            color: var(--clr-accent);
            font-size: 1.6rem;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--clr-primary-light);
        }
        .navbar-custom .nav-link {
            font-weight: 500;
            color: var(--clr-text-light);
            padding: 10px 18px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            font-size: 0.95rem;
        }
        .navbar-custom .nav-link i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .navbar-custom .nav-link:hover {
            color: var(--clr-primary);
            background: rgba(26, 58, 92, 0.04);
        }
        .navbar-custom .nav-link.active {
            color: var(--clr-primary);
            background: rgba(26, 58, 92, 0.06);
            font-weight: 600;
        }
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--clr-accent);
            border-radius: 4px;
        }
        .navbar-custom .nav-cta {
            background: var(--clr-accent);
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(232, 168, 56, 0.3);
        }
        .navbar-custom .nav-cta i {
            margin-right: 4px;
            margin-left: 2px;
        }
        .navbar-custom .nav-cta:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(232, 168, 56, 0.4);
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,58,92,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== Article Hero / Banner ========== */
        .article-hero {
            position: relative;
            min-height: 320px;
            background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 60%, var(--clr-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 60px 20px 50px;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .article-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }
        .article-hero .hero-badge {
            display: inline-block;
            background: rgba(232, 168, 56, 0.18);
            color: var(--clr-accent);
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(232, 168, 56, 0.2);
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin: 0 0 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .article-hero .hero-meta {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-hero .hero-meta i {
            margin-right: 6px;
            color: var(--clr-accent);
        }
        .article-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
        }

        /* ========== Main Content ========== */
        .article-main {
            padding: 50px 0 60px;
        }
        .article-content {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-lg);
            box-shadow: var(--clr-shadow);
            padding: 40px 48px;
            border: 1px solid var(--clr-border-light);
        }
        .article-content .lead {
            font-size: 1.15rem;
            color: var(--clr-text-light);
            border-left: 4px solid var(--clr-accent);
            padding-left: 20px;
            margin-bottom: 28px;
            font-weight: 400;
            line-height: 1.8;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--clr-primary);
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--clr-border-light);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--clr-primary);
            margin: 28px 0 12px;
        }
        .article-content p {
            margin-bottom: 18px;
            color: var(--clr-text);
            line-height: 1.85;
        }
        .article-content ul,
        .article-content ol {
            margin: 12px 0 22px 20px;
        }
        .article-content li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--clr-shadow);
        }
        .article-content blockquote {
            background: var(--clr-bg);
            border-left: 5px solid var(--clr-accent);
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            font-style: italic;
            color: var(--clr-text-light);
        }
        .article-content .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--clr-border);
        }
        .article-content .tag-list .badge-tag {
            background: var(--clr-bg);
            color: var(--clr-primary-light);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
        }
        .article-content .tag-list .badge-tag:hover {
            background: var(--clr-accent);
            color: #fff;
            border-color: var(--clr-accent);
        }

        /* ========== Empty State ========== */
        .empty-state {
            text-align: center;
            padding: 70px 20px;
        }
        .empty-state .empty-icon {
            font-size: 4rem;
            color: var(--clr-border);
            margin-bottom: 20px;
        }
        .empty-state h2 {
            font-size: 1.8rem;
            color: var(--clr-primary);
            margin-bottom: 12px;
        }
        .empty-state p {
            color: var(--clr-text-light);
            max-width: 480px;
            margin: 0 auto 24px;
        }
        .empty-state .btn-back {
            display: inline-block;
            padding: 12px 32px;
            background: var(--clr-accent);
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .empty-state .btn-back:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 168, 56, 0.35);
        }

        /* ========== Related / Sidebar ========== */
        .related-section {
            padding: 50px 0 60px;
            background: var(--clr-bg);
        }
        .related-section .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--clr-primary);
            margin-bottom: 32px;
            text-align: center;
        }
        .related-section .section-title i {
            color: var(--clr-accent);
            margin-right: 10px;
        }
        .related-card {
            background: var(--clr-bg-alt);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--clr-shadow);
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--clr-shadow-hover);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--clr-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--clr-text-light);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .cat-tag {
            display: inline-block;
            background: rgba(232, 168, 56, 0.12);
            color: var(--clr-accent-hover);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card .card-body h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--clr-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h5 a {
            color: inherit;
        }
        .related-card .card-body h5 a:hover {
            color: var(--clr-accent);
        }
        .related-card .card-body p {
            color: var(--clr-text-light);
            font-size: 0.9rem;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .meta {
            font-size: 0.8rem;
            color: var(--clr-border);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .related-card .card-body .meta i {
            margin-right: 4px;
            color: var(--clr-accent);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--clr-primary);
            background-image: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary), var(--clr-primary-light));
            padding: 60px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 44px;
            background: var(--clr-accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(232, 168, 56, 0.35);
        }
        .cta-section .btn-cta i {
            margin-right: 8px;
        }
        .cta-section .btn-cta:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(232, 168, 56, 0.45);
            color: #fff;
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--clr-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 0;
        }
        .footer .footer-top {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer .footer-brand .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer .footer-brand .footer-logo i {
            color: var(--clr-accent);
        }
        .footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }
        .footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--clr-accent);
        }
        .footer .footer-col ul li a:hover {
            color: var(--clr-accent);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 22px 0 28px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer .footer-bottom a:hover {
            color: var(--clr-accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 30px 28px;
            }
            .footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-custom .nav-link.active::after {
                display: none;
            }
            .article-hero {
                min-height: 240px;
                padding: 40px 16px 36px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .hero-meta {
                font-size: 0.85rem;
                gap: 12px;
            }
            .article-main {
                padding: 30px 0 40px;
            }
            .article-content {
                padding: 22px 18px;
                border-radius: var(--radius-md);
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .related-section .section-title {
                font-size: 1.35rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .btn-cta {
                padding: 12px 30px;
                font-size: 0.95rem;
            }
            .footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .article-content {
                padding: 16px 14px;
            }
            .article-content .lead {
                font-size: 1rem;
                padding-left: 14px;
            }
            .related-card .card-img {
                height: 140px;
            }
            .related-card .card-body {
                padding: 16px 16px 20px;
            }
            .cta-section {
                padding: 40px 16px;
            }
            .cta-section h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1a3a;
            --primary-light: #1a2d5e;
            --primary-dark: #0a1124;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c99f20;
            --bg-light: #f6f8fc;
            --bg-card: #ffffff;
            --text-dark: #0f1a3a;
            --text-body: #2d3a5e;
            --text-muted: #6b7a9a;
            --text-light: #ffffff;
            --border-color: #e2e7f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(15, 26, 58, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 26, 58, 0.10);
            --shadow-lg: 0 14px 40px rgba(15, 26, 58, 0.14);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Navbar ===== */
        .navbar-custom {
            background: var(--primary) !important;
            padding: 0.6rem 0;
            box-shadow: 0 2px 16px rgba(15, 26, 58, 0.20);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(6px);
        }
        .navbar-custom .navbar-brand {
            color: var(--text-light) !important;
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-custom .navbar-brand i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--accent-light) !important;
        }
        .navbar-custom .nav-link {
            color: rgba(255, 255, 255, 0.78) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .navbar-custom .nav-link i {
            font-size: 0.9rem;
            opacity: 0.7;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--text-light) !important;
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: var(--accent) !important;
            background: rgba(232, 184, 48, 0.12);
        }
        .navbar-custom .nav-link.active i {
            opacity: 1;
            color: var(--accent);
        }
        .navbar-custom .nav-cta {
            background: var(--accent) !important;
            color: var(--primary-dark) !important;
            padding: 0.5rem 1.4rem !important;
            border-radius: 40px !important;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(232, 184, 48, 0.30);
            transition: var(--transition);
        }
        .navbar-custom .nav-cta i {
            opacity: 1 !important;
            color: var(--primary-dark) !important;
        }
        .navbar-custom .nav-cta:hover {
            background: var(--accent-light) !important;
            box-shadow: 0 6px 20px rgba(232, 184, 48, 0.40);
            transform: translateY(-1px);
            color: var(--primary-dark) !important;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.20) !important;
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.30);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-dark);
            overflow: hidden;
            padding: 4rem 0 3.5rem;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.40;
            transform: scale(1.02);
            transition: opacity 0.8s ease;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 58, 0.88) 0%, rgba(15, 26, 58, 0.60) 60%, rgba(15, 26, 58, 0.40) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 0 20px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(232, 184, 48, 0.18);
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            letter-spacing: 0.03em;
            border: 1px solid rgba(232, 184, 48, 0.25);
            margin-bottom: 1.2rem;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.20);
        }
        .hero-content h1 i {
            color: var(--accent);
            margin-right: 6px;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 640px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .hero-actions .btn-primary-custom {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 0.75rem 2.2rem;
            border-radius: 40px;
            border: none;
            box-shadow: 0 6px 22px rgba(232, 184, 48, 0.35);
            transition: var(--transition);
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-actions .btn-primary-custom:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(232, 184, 48, 0.45);
            transform: translateY(-2px);
        }
        .hero-actions .btn-outline-light-custom {
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 40px;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: var(--transition);
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-actions .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.60);
            transform: translateY(-2px);
        }

        /* ===== Section通用 ===== */
        .section-pad {
            padding: 5rem 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3.2rem;
        }
        .section-title h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
            margin-bottom: 0.6rem;
        }
        .section-title h2 i {
            color: var(--accent-dark);
            margin-right: 8px;
        }
        .section-title p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-divider {
            width: 60px;
            height: 3.5px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0.8rem auto 1.2rem;
        }

        /* ===== 赛事分类卡片 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .sport-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(232, 184, 48, 0.25);
        }
        .sport-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .sport-card:hover .card-img img {
            transform: scale(1.05);
        }
        .sport-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            letter-spacing: 0.02em;
        }
        .sport-card .card-body {
            padding: 1.5rem 1.6rem 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card .card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .sport-card .card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .sport-card .card-body .card-link {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .sport-card .card-body .card-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        /* ===== 热门赛事推荐 ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: row;
            align-items: stretch;
        }
        .event-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(232, 184, 48, 0.20);
        }
        .event-card .event-thumb {
            width: 170px;
            min-height: 160px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .event-card .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .event-thumb img {
            transform: scale(1.05);
        }
        .event-card .event-thumb .event-badge {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: var(--primary);
            color: var(--text-light);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
        }
        .event-card .event-info {
            padding: 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .event-card .event-info .event-meta {
            display: flex;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
        }
        .event-card .event-info .event-meta i {
            margin-right: 4px;
            color: var(--accent-dark);
        }
        .event-card .event-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.3rem;
        }
        .event-card .event-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 0.6rem;
        }
        .event-card .event-info .event-status {
            display: inline-block;
            background: #e8f5e9;
            color: #2e7d32;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.15rem 1rem;
            border-radius: 30px;
            align-self: flex-start;
        }
        .event-card .event-info .event-status.hot {
            background: #fef3e2;
            color: #b76e00;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 1.8rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-2px);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            margin-top: 0.3rem;
        }
        .stat-item .stat-icon {
            font-size: 1.8rem;
            color: rgba(232, 184, 48, 0.30);
            margin-bottom: 0.5rem;
        }

        /* ===== 流程指南 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2rem 1.6rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
            position: relative;
            counter-increment: step-counter;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-card::before {
            content: counter(step-counter);
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 2.8rem;
            font-weight: 800;
            color: rgba(15, 26, 58, 0.06);
            line-height: 1;
            font-family: var(--font-base);
        }
        .step-card .step-icon {
            font-size: 2.2rem;
            color: var(--accent-dark);
            margin-bottom: 1rem;
            display: inline-block;
            background: rgba(232, 184, 48, 0.10);
            width: 64px;
            height: 64px;
            line-height: 64px;
            border-radius: 50%;
            text-align: center;
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.4rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 184, 48, 0.25);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-question i {
            color: var(--accent-dark);
            transition: transform 0.3s ease;
            font-size: 1rem;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            padding: 4.5rem 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.07;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 0.8rem;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }
        .cta-inner .btn-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 0.8rem 2.6rem;
            border-radius: 40px;
            border: none;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(232, 184, 48, 0.30);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-inner .btn-cta:hover {
            background: var(--accent-light);
            box-shadow: 0 10px 34px rgba(232, 184, 48, 0.40);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 3.5rem 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 0.8rem;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: rgba(232, 184, 48, 0.40);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            padding: 1.6rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.40);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 3.5rem 0;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-banner {
                min-height: 320px;
                padding: 3rem 0 2.5rem;
            }
            .sport-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .event-card {
                flex-direction: column;
            }
            .event-card .event-thumb {
                width: 100%;
                height: 180px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-custom .nav-link {
                padding: 0.5rem 0.8rem !important;
            }
            .navbar-custom .nav-cta {
                margin-top: 6px;
                text-align: center;
            }
            .cta-inner h2 {
                font-size: 1.6rem;
            }
            .cta-inner p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content p {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-light-custom {
                width: 100%;
                max-width: 260px;
                justify-content: center;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 1.2rem 0.8rem;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .sport-card .card-img {
                height: 160px;
            }
            .event-card .event-thumb {
                height: 140px;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 0.9rem 1.2rem;
            }
            .faq-answer {
                padding: 0 1.2rem 1rem;
                font-size: 0.88rem;
            }
        }

        /* ===== 工具类 ===== */
        .text-accent {
            color: var(--accent) !important;
        }
        .bg-accent-soft {
            background: rgba(232, 184, 48, 0.06);
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .fw-700 {
            font-weight: 700;
        }