/* roulang page: index */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }
        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }
        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }
        .nav-cta-btn:hover {
            background: #b8933a !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-links {
                gap: 1px;
            }
        }
        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                border-top: 1px solid var(--border-light);
                padding: 0.5rem 0;
                gap: 2px;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: 0;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                border-radius: 6px !important;
                margin: 4px 0;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: #f8fafc;
            border-bottom: 1px solid var(--border-light);
            padding: 0.55rem 0;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-light);
            font-size: 0.875rem;
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .separator {
            color: #c0c8d2;
            font-size: 0.75rem;
            margin: 0 2px;
        }
        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .breadcrumb-bar {
                font-size: 0.78rem;
                padding: 0.4rem 0;
                overflow-x: auto;
                white-space: nowrap;
            }
        }

        /* ========== Hero 拼团转化 ========== */
        .hero-section {
            position: relative;
            min-height: 65vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #f0f5fb 0%, #e8f2fa 30%, #f4f8fc 60%, #fafcfe 100%);
            overflow: hidden;
            padding: 3rem 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 95, 158, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text {
            max-width: 560px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent-light);
            color: #8a6d2b;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 0.8rem;
            letter-spacing: 0.3px;
        }
        .hero-text h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            line-height: 1.7;
            max-width: 500px;
        }
        .hero-group-progress {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            border: 1px solid var(--border-light);
        }
        .group-avatars {
            display: flex;
            align-items: center;
        }
        .group-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            border: 2px solid #fff;
            margin-left: -10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .group-avatar:first-child {
            margin-left: 0;
        }
        .group-info {
            flex: 1;
            min-width: 120px;
        }
        .group-info .count {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .group-info .label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .group-progress-bar {
            width: 100%;
            height: 6px;
            background: #eef2f7;
            border-radius: 3px;
            margin-top: 6px;
            overflow: hidden;
        }
        .group-progress-bar .fill {
            height: 100%;
            background: var(--accent);
            border-radius: 3px;
            width: 68%;
            transition: width 1s ease;
        }
        .hero-buttons {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-hero-primary:hover {
            background: #b8933a;
            color: #fff;
            box-shadow: 0 6px 22px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
        }
        .btn-hero-secondary {
            background: #fff;
            color: var(--primary);
            padding: 0.75rem 2rem;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--primary);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-hero-secondary:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hero-image {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-image img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            border: 1px solid var(--border-light);
        }

        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .hero-text .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: auto;
                padding: 2rem 0;
            }
            .hero-image {
                order: -1;
            }
            .hero-image img {
                max-height: 240px;
                width: 100%;
                object-fit: cover;
            }
            .hero-group-progress {
                padding: 0.9rem 1rem;
                gap: 0.6rem;
            }
            .group-avatar {
                width: 28px;
                height: 28px;
                font-size: 0.6rem;
                margin-left: -8px;
            }
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 3.5rem 0;
        }
        .section-alt {
            background: var(--bg-alt);
            padding: 3.5rem 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: #e0e6ed;
            padding: 3.5rem 0;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-subtitle {
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 2rem;
            max-width: 600px;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header.text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }

        /* ========== 卡片 ========== */
        .card-custom {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #d0dbe8;
        }
        .card-custom .card-img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .card-custom .card-body {
            padding: 1.3rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
        }
        .card-custom .card-text {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.8rem;
        }
        .card-custom .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
            transition: gap var(--transition);
        }
        .card-custom .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        .card-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #8a6d2b;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
        }
        .card-hot-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #e74c3c;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 14px;
            z-index: 2;
            letter-spacing: 0.5px;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.08);
            }
        }

        /* ========== 片库轨道 ========== */
        .track-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding: 0.5rem 0 1.5rem;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #c0c8d2 transparent;
        }
        .track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: #c0c8d2;
            border-radius: 3px;
        }
        .track-card {
            flex: 0 0 auto;
            width: 240px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            cursor: pointer;
            position: relative;
        }
        .track-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .track-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .track-card .track-info {
            padding: 0.8rem 1rem;
        }
        .track-card .track-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--secondary);
            margin-bottom: 2px;
        }
        .track-card .track-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== 热播推荐 ========== */
        .hot-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 1.5rem;
        }
        .hot-main-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .hot-main-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hot-main-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .hot-main-card .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            color: #fff;
        }
        .hot-main-card .hot-overlay h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .hot-main-card .hot-overlay p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin: 0;
        }
        .hot-side-cards {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .hot-side-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1rem;
            display: flex;
            gap: 0.8rem;
            align-items: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .hot-side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
        }
        .hot-side-card img {
            width: 80px;
            height: 56px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }
        .hot-side-card .hot-side-info h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 2px;
        }
        .hot-side-card .hot-side-info span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .hot-side-cards {
                flex-direction: row;
                overflow-x: auto;
                gap: 0.8rem;
            }
            .hot-side-card {
                flex: 0 0 auto;
                width: 260px;
                flex-direction: column;
                align-items: flex-start;
            }
            .hot-side-card img {
                width: 100%;
                height: 120px;
                border-radius: 8px;
            }
        }

        /* ========== 优势数据 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            text-align: center;
            padding: 1.8rem 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .stat-number .accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.7rem;
            }
            .stat-card {
                padding: 1.2rem 0.6rem;
            }
        }

        /* ========== 新闻中心 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .news-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-item .news-date {
            flex-shrink: 0;
            background: var(--primary-light);
            color: var(--primary);
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            text-align: center;
            min-width: 70px;
            line-height: 1.3;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 0.3rem;
        }
        .news-item .news-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin: 0 0 0.5rem;
            line-height: 1.5;
        }
        .news-item .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .news-item .news-date {
                align-self: flex-start;
            }
        }

        /* ========== 品牌介绍深度区 ========== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .brand-intro-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0.8rem;
        }
        .brand-intro-image img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .brand-intro-image {
                order: -1;
            }
        }

        /* ========== 套餐对比 ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            align-items: stretch;
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .pricing-card.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-md);
            transform: scale(1.03);
            z-index: 1;
            background: #fffef9;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-3px);
        }
        .pricing-card .pricing-badge {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .pricing-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.8rem;
        }
        .pricing-card .price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .pricing-card .price small {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .pricing-card ul {
            list-style: none;
            padding: 0;
            text-align: left;
            margin-bottom: 1.5rem;
            flex: 1;
        }
        .pricing-card ul li {
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .pricing-card ul li i {
            color: #27ae60;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .btn-pricing {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            width: 100%;
            text-align: center;
        }
        .btn-pricing:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-pricing.featured-btn {
            background: var(--accent);
            color: #fff;
        }
        .btn-pricing.featured-btn:hover {
            background: #b8933a;
            color: #fff;
        }
        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: translateY(-3px);
            }
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow);
        }
        .accordion-custom .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1rem 1.3rem;
            border: none;
            box-shadow: none;
            transition: all var(--transition);
            border-radius: var(--radius) !important;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius) var(--radius) 0 0 !important;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.2);
            border-color: transparent;
        }
        .accordion-custom .accordion-body {
            padding: 1rem 1.3rem 1.3rem;
            color: var(--text-light);
            font-size: 0.93rem;
            line-height: 1.75;
            background: #fafcfd;
            border-left: 4px solid transparent;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .accordion-custom .accordion-button:not(.collapsed)~.accordion-body {
            border-left-color: var(--primary-light);
        }

        /* ========== 联系表单 ========== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        .contact-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .contact-form-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1.2rem;
        }
        .contact-form-card .form-group {
            margin-bottom: 1rem;
        }
        .contact-form-card label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 0.3rem;
            display: block;
        }
        .btn-submit {
            background: var(--primary);
            color: #fff;
            padding: 0.75rem 2.5rem;
            border-radius: 24px;
            font-weight: 700;
            font-size: 1rem;
            width: 100%;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-submit:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .contact-info-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .contact-info-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1.2rem;
        }
        .contact-info-item {
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
            margin-bottom: 1rem;
            font-size: 0.93rem;
            color: var(--text-light);
        }
        .contact-info-item i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .contact-map-placeholder {
            width: 100%;
            aspect-ratio: 16/9;
            background: #eef2f7;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 1rem;
            border: 1px dashed #c0c8d2;
        }
        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #c0c8d4;
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }
        .footer-col p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a8b4c2;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: #a8b4c2;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8a96a5;
        }
        .footer-bottom a {
            color: #a8b4c2;
            margin: 0 8px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 按钮通用 ========== */
        .btn-outline-primary-custom {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            padding: 0.55rem 1.6rem;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            display: inline-block;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow);
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 1.8rem;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: inline-block;
            border: none;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            padding: 0.6rem 1.8rem;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: inline-block;
            border: none;
        }
        .btn-accent-custom:hover {
            background: #b8933a;
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 专题索引 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }
        .topic-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d0dbe8;
        }
        .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .topic-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 2px;
        }
        .topic-card span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 用户评价 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            font-size: 3rem;
            color: var(--primary-light);
            position: absolute;
            top: 0.5rem;
            left: 1rem;
            line-height: 1;
            font-weight: 700;
            opacity: 0.6;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 1rem;
            padding-top: 0.5rem;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--secondary);
        }
        .testimonial-author span {
            font-weight: 400;
            color: var(--text-muted);
            font-size: 0.78rem;
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 520px) {
            .section {
                padding: 2.2rem 0;
            }
            .section-alt {
                padding: 2.2rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 0.6rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
            .track-card {
                width: 180px;
            }
            .pricing-card {
                padding: 1.5rem 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --accent-dark: #b8933a;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--secondary);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }
        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }
        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }
        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }
        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-cta-btn.active {
            background: var(--accent-dark) !important;
            color: #fff !important;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 0.6rem 0;
            font-size: 0.875rem;
        }
        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            color: var(--text-muted);
        }
        .breadcrumb-bar a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb-bar .separator {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 600;
        }
        .breadcrumb-back {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 500;
            margin-right: 10px;
            font-size: 0.85rem;
        }
        .breadcrumb-back:hover {
            color: var(--primary-dark);
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 95, 158, 0.92) 0%, rgba(30, 58, 95, 0.95) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 5rem 0 4.5rem;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 1.2rem;
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
            letter-spacing: 0.5px;
        }
        .category-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            margin: 0 auto 1.8rem;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-primary-custom {
            background: var(--accent);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }
        .btn-primary-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.45);
        }
        .btn-outline-custom {
            background: transparent;
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 4rem 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            text-align: center;
            margin-bottom: 0.6rem;
            font-weight: 700;
            color: var(--secondary);
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 2.5rem;
            font-size: 1.05rem;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 0 auto 1.5rem;
        }

        /* ========== 卡片 ========== */
        .card-custom {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 2rem 1.5rem;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
            transition: all var(--transition);
        }
        .card-custom:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }
        .card-custom h3 {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
            color: var(--secondary);
        }
        .card-custom p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 场景区块 ========== */
        .scene-block {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .scene-block.reverse {
            flex-direction: row-reverse;
        }
        .scene-block .scene-img {
            flex: 1 1 400px;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .scene-block .scene-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--transition);
        }
        .scene-block .scene-img:hover img {
            transform: scale(1.03);
        }
        .scene-block .scene-text {
            flex: 1 1 350px;
            min-width: 280px;
        }
        .scene-block .scene-text h3 {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
            color: var(--secondary);
        }
        .scene-block .scene-text p {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 1rem;
        }

        /* ========== 流程步骤 ========== */
        .step-list {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            counter-reset: step;
        }
        .step-item {
            flex: 1 1 220px;
            min-width: 200px;
            text-align: center;
            position: relative;
            padding: 2rem 1.2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.3rem;
            margin: 0 auto 1rem;
        }
        .step-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== 数据条 ========== */
        .stats-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
        }
        .stat-item {
            flex: 1 1 180px;
            min-width: 150px;
            padding: 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.4rem;
        }
        .stat-item .stat-unit {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* ========== FAQ 手风琴 ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.7rem;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1.1rem 1.3rem;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none;
            border-left: 3px solid transparent;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 3px solid var(--primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }
        .accordion-custom .accordion-button::after {
            background-size: 1rem;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-body {
            padding: 1rem 1.3rem 1.3rem;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
            background: #fafbfc;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
            padding: 4rem 0;
            text-align: center;
            color: #fff;
            border-radius: 0;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }
        .cta-section .btn-primary-custom {
            font-size: 1.05rem;
            padding: 0.85rem 2.4rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #c0c8d2;
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-col p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a8b5c2;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: #a8b5c2;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: #8a95a3;
        }
        .footer-bottom a {
            color: #a8b5c2;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom p {
            margin-bottom: 0.3rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .scene-block {
                gap: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.5rem 0;
                border-top: 1px solid var(--border-light);
                margin-top: 0.5rem;
                gap: 0;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: 0;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                border-radius: 6px !important;
                margin-top: 4px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .category-hero {
                padding: 3rem 0 2.5rem;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-desc {
                font-size: 1rem;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .scene-block,
            .scene-block.reverse {
                flex-direction: column;
                gap: 1.2rem;
            }
            .scene-block .scene-img,
            .scene-block .scene-text {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .step-list {
                flex-direction: column;
                gap: 1rem;
            }
            .step-item {
                flex: 1 1 auto;
            }
            .stats-row {
                gap: 1rem;
            }
            .stat-item {
                flex: 1 1 130px;
                min-width: 120px;
                padding: 1rem;
            }
            .stat-item .stat-num {
                font-size: 1.8rem;
            }
            .breadcrumb-bar {
                font-size: 0.8rem;
            }
            .breadcrumb-back {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-desc {
                font-size: 0.9rem;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
            .card-custom {
                padding: 1.2rem 1rem;
            }
            .stats-row {
                flex-direction: column;
                gap: 0.8rem;
            }
            .stat-item {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .section {
                padding: 2rem 0;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --accent-dark: #b8933a;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --bg-darker: #0f1f35;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --text-white: #e8ecf1;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.18);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 0.65rem 0;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.875rem;
            flex-wrap: wrap;
            gap: 4px;
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            color: var(--text-muted);
        }

        .breadcrumb-list li a {
            color: var(--primary);
            font-weight: 500;
            transition: color var(--transition);
        }

        .breadcrumb-list li a:hover {
            color: var(--primary-dark);
        }

        .breadcrumb-list .breadcrumb-separator {
            margin: 0 6px;
            color: var(--text-muted);
            font-size: 0.75rem;
        }

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

        .breadcrumb-back {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            margin-right: 12px;
            transition: color var(--transition);
        }

        .breadcrumb-back:hover {
            color: var(--primary-dark);
        }

        .breadcrumb-back i {
            font-size: 0.75rem;
        }

        /* ========== Hero 暗色沉浸 ========== */
        .hero-dark {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-darker);
        }

        .hero-dark-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-dark-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 31, 53, 0.75) 0%, rgba(15, 31, 53, 0.9) 60%, rgba(15, 31, 53, 0.95) 100%);
            z-index: 1;
        }

        .hero-dark-content {
            position: relative;
            z-index: 2;
            padding: 3rem 0;
            max-width: 700px;
        }

        .hero-dark-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 1.2rem;
        }

        .hero-dark h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }

        .hero-dark h1 .highlight {
            color: var(--accent);
        }

        .hero-dark .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 560px;
        }

        .hero-dark-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .hero-dark-stat {
            text-align: left;
        }

        .hero-dark-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .hero-dark-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 4rem 0;
        }

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

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
        }

        .section-header .section-line {
            width: 50px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 0.5rem;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 1rem;
            max-width: 600px;
        }

        /* ========== 资讯列表卡片 ========== */
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }

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

        .news-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-alt);
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .news-card-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 0.3rem 0.7rem;
            border-radius: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 1;
            letter-spacing: 0.3px;
        }

        .news-card-body {
            padding: 1.3rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.6rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-body h3 a {
            color: var(--secondary);
            transition: color var(--transition);
        }

        .news-card-body h3 a:hover {
            color: var(--primary);
        }

        .news-card-body .news-summary {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.8rem;
            border-top: 1px solid var(--border-light);
        }

        .news-card-tag {
            font-size: 0.8rem;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.25rem 0.7rem;
            border-radius: 12px;
            font-weight: 500;
        }

        .news-card-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .news-card-readmore:hover {
            color: var(--accent-dark);
            gap: 8px;
        }

        .news-card-readmore i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .news-card:hover .news-card-readmore i {
            transform: translateX(3px);
        }

        /* 横向卡片 */
        .news-card-horizontal {
            flex-direction: row;
            align-items: stretch;
        }

        .news-card-horizontal .news-card-img {
            width: 280px;
            flex-shrink: 0;
            aspect-ratio: auto;
            min-height: 180px;
        }

        .news-card-horizontal .news-card-body {
            flex: 1;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .sidebar-widget h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            display: inline-block;
            padding: 0.35rem 0.85rem;
            background: var(--bg-alt);
            color: var(--text);
            border-radius: 16px;
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .sidebar-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .sidebar-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-link-list li {
            border-bottom: 1px solid var(--border-light);
        }

        .sidebar-link-list li:last-child {
            border-bottom: none;
        }

        .sidebar-link-list a {
            display: block;
            padding: 0.6rem 0;
            color: var(--text);
            font-size: 0.9rem;
            transition: all var(--transition);
            font-weight: 500;
        }

        .sidebar-link-list a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .sidebar-link-list a i {
            color: var(--accent);
            margin-right: 6px;
            font-size: 0.7rem;
        }

        /* ========== 分页 ========== */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 2.5rem;
        }

        .pagination-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination-custom li a,
        .pagination-custom li span {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
        }

        .pagination-custom li a:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-custom li.active span {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .pagination-custom li.disabled span {
            color: var(--text-muted);
            background: var(--bg-alt);
            border-color: var(--border-light);
            cursor: not-allowed;
        }

        /* ========== FAQ 手风琴 ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }

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

        .accordion-custom .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1.1rem 1.4rem;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none;
            border-left: 4px solid transparent;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.2);
            border-color: var(--primary);
        }

        .accordion-custom .accordion-button::after {
            background-size: 1rem;
            transition: transform 0.3s ease;
        }

        .accordion-custom .accordion-body {
            padding: 1rem 1.4rem 1.4rem;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
            background: #fff;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
            padding: 3.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-content h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 1.8rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.8rem 2.2rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
            letter-spacing: 0.5px;
        }

        .btn-cta-accent:hover {
            background: #d4b45a;
            color: #fff;
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.6rem;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .footer-col p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 1.5rem 0;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-bottom p {
            margin-bottom: 0.4rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .hero-dark h1 {
                font-size: 2.2rem;
            }
            .news-card-horizontal .news-card-img {
                width: 220px;
                min-height: 160px;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem;
                border-radius: var(--radius);
                box-shadow: var(--shadow-md);
                margin-top: 0.5rem;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 0.65rem 1rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                margin-top: 4px;
            }
            .hero-dark {
                min-height: 45vh;
            }
            .hero-dark h1 {
                font-size: 1.8rem;
            }
            .hero-dark .hero-subtitle {
                font-size: 1rem;
            }
            .hero-dark-stats {
                gap: 1.2rem;
            }
            .hero-dark-stat .stat-number {
                font-size: 1.5rem;
            }
            .news-card-horizontal {
                flex-direction: column;
            }
            .news-card-horizontal .news-card-img {
                width: 100%;
                min-height: 180px;
                aspect-ratio: 16/9;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .breadcrumb-list {
                font-size: 0.8rem;
            }
            .pagination-custom li a,
            .pagination-custom li span {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }
            .sidebar {
                margin-top: 2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-dark h1 {
                font-size: 1.5rem;
            }
            .hero-dark-stats {
                flex-direction: column;
                gap: 0.8rem;
            }
            .news-card-body h3 {
                font-size: 1rem;
            }
            .news-card-body .news-summary {
                font-size: 0.82rem;
                -webkit-line-clamp: 2;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .btn-cta-accent {
                padding: 0.65rem 1.6rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --accent-dark: #b8933a;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--secondary);
            font-weight: 700;
            line-height: 1.35;
        }
        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }
        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-links li {
            list-style: none;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }
        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }
        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: #f8fafb;
            border-bottom: 1px solid var(--border-light);
            padding: 0.6rem 0;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .separator {
            color: #c0c8d0;
            font-size: 0.7rem;
            margin: 0 2px;
        }
        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 600;
        }
        .breadcrumb-back {
            margin-right: 10px;
            color: var(--primary);
            font-weight: 500;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 分类 Hero ========== */
        .category-hero {
            background: linear-gradient(160deg, #f0f5fa 0%, #e8f2fa 30%, #f4f8fc 60%, #fff 100%);
            padding: 3rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 95, 158, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero-inner {
            display: flex;
            align-items: center;
            gap: 3rem;
            position: relative;
            z-index: 1;
        }
        .category-hero-text {
            flex: 1;
            max-width: 620px;
        }
        .category-hero-text .cat-label {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .category-hero-text h1 {
            font-size: 2.5rem;
            margin-bottom: 0.9rem;
            color: var(--secondary);
            letter-spacing: -0.3px;
        }
        .category-hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        .category-hero-text .hero-stats-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }
        .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .category-hero-image {
            flex: 0 0 380px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .category-hero-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }
        .btn-primary-custom {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-accent-custom {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline-custom {
            display: inline-block;
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            padding: 0.65rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* ========== 对比选型板块 ========== */
        .section-compare {
            padding: 4rem 0;
            background: #fff;
        }
        .section-title-area {
            text-align: left;
            margin-bottom: 2.5rem;
        }
        .section-title-area h2 {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }
        .section-title-area .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 650px;
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            gap: 1.5rem;
            align-items: stretch;
        }
        .compare-card {
            background: #fff;
            border: 2px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .compare-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .compare-card.featured {
            border-color: var(--accent);
            background: #fffef9;
            box-shadow: var(--shadow-lg);
            z-index: 2;
            transform: scale(1.03);
            position: relative;
        }
        .compare-card.featured:hover {
            transform: scale(1.04);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.16);
        }
        .compare-card .featured-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.3rem 1.4rem;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.5px;
            box-shadow: 0 3px 10px rgba(201, 168, 76, 0.35);
        }
        .compare-card .card-tier {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
        }
        .compare-card .card-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.3rem;
        }
        .compare-card .card-price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .compare-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 1.2rem;
            min-height: 40px;
        }
        .compare-card .card-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            text-align: left;
            flex-grow: 1;
        }
        .compare-card .card-features li {
            padding: 0.45rem 0;
            font-size: 0.9rem;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card .card-features li i {
            color: var(--primary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .compare-card .card-features li i.fa-times {
            color: #c0c8d0;
        }
        .compare-card .btn-card-cta {
            display: block;
            width: 100%;
            padding: 0.7rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            text-align: center;
            border: 2px solid var(--primary);
            background: #fff;
            color: var(--primary);
            cursor: pointer;
        }
        .compare-card .btn-card-cta:hover {
            background: var(--primary);
            color: #fff;
        }
        .compare-card.featured .btn-card-cta {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .compare-card.featured .btn-card-cta:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: var(--shadow-md);
        }

        /* ========== 深度内容区 ========== */
        .section-deep-content {
            padding: 4rem 0;
            background: var(--bg-alt);
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .deep-content-text h2 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--secondary);
        }
        .deep-content-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 1rem;
        }
        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* ========== 数据覆盖板块 ========== */
        .section-coverage {
            padding: 4rem 0;
            background: #fff;
        }
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .coverage-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 1.8rem 1.3rem;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .coverage-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .coverage-card .cov-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.8rem;
        }
        .coverage-card h4 {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            color: var(--secondary);
        }
        .coverage-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 数据维度详情板块 ========== */
        .section-dimensions {
            padding: 4rem 0;
            background: var(--bg-alt);
        }
        .dimensions-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
        }
        .dimension-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem 1.5rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .dimension-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .dimension-item .dim-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .dimension-item .dim-info h4 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
            color: var(--secondary);
        }
        .dimension-item .dim-info p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 场景板块 ========== */
        .section-scenarios {
            padding: 4rem 0;
            background: #fff;
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card:hover::before {
            opacity: 1;
        }
        .scenario-card .sc-icon {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }
        .scenario-card h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .section-faq {
            padding: 4rem 0;
            background: var(--bg-alt);
        }
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1.1rem 1.3rem;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .accordion-body {
            padding: 1.2rem 1.5rem;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            background: #fff;
        }

        /* ========== CTA 板块 ========== */
        .section-cta {
            padding: 4rem 0;
            background: linear-gradient(135deg, var(--secondary) 0%, #1a3350 100%);
            color: #fff;
            text-align: center;
        }
        .section-cta h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }
        .section-cta p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-cta .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-white {
            display: inline-block;
            background: #fff;
            color: var(--secondary);
            padding: 0.8rem 2.2rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-cta-white:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-cta-outline-white {
            display: inline-block;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 0.75rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-cta-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #c8d4e0;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        .footer-col p {
            line-height: 1.8;
            margin: 0;
            font-size: 0.88rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: #c8d4e0;
            transition: color var(--transition);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-col ul li span {
            color: #c8d4e0;
            font-size: 0.88rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: #9aabb8;
        }
        .footer-bottom p {
            margin: 0.3rem 0;
        }
        .footer-bottom a {
            color: #9aabb8;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .category-hero-inner {
                flex-direction: column;
                gap: 2rem;
            }
            .category-hero-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
            .category-hero-image img {
                height: 220px;
            }
            .compare-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 1rem;
            }
            .compare-card.featured {
                transform: scale(1.01);
            }
            .compare-card.featured:hover {
                transform: scale(1.02);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimensions-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem 0;
                border-top: 1px solid var(--border-light);
                margin-top: 0.5rem;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: 4px;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                border-radius: 6px !important;
            }
            .category-hero-text h1 {
                font-size: 1.8rem;
            }
            .category-hero-text .hero-desc {
                font-size: 0.95rem;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .compare-card.featured {
                transform: none;
                order: -1;
            }
            .compare-card.featured:hover {
                transform: translateY(-3px);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .deep-content-image img {
                height: 240px;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .dimensions-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .section-title-area h2 {
                font-size: 1.5rem;
            }
            .hero-stats-row {
                gap: 1rem;
            }
            .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .breadcrumb-bar {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 2rem 0 2.5rem;
            }
            .category-hero-text h1 {
                font-size: 1.5rem;
            }
            .category-hero-image img {
                height: 180px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .section-cta h2 {
                font-size: 1.5rem;
            }
            .compare-card .card-price {
                font-size: 2rem;
            }
            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: #b8933a !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrapper {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 0.7rem 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: nowrap;
            overflow: hidden;
        }

        .breadcrumb-nav a {
            color: var(--text-light);
            white-space: nowrap;
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
        }

        .breadcrumb-nav .breadcrumb-sep {
            color: var(--border);
            flex-shrink: 0;
            font-size: 0.7rem;
        }

        .breadcrumb-nav .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .breadcrumb-back {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            margin-right: 8px;
            flex-shrink: 0;
        }

        .breadcrumb-back:hover {
            color: var(--primary-dark);
        }

        /* ========== 分类页横幅 ========== */
        .category-banner {
            background: linear-gradient(135deg, #1a3c5e 0%, #1a5f9e 40%, #0d3b5c 100%);
            padding: 3rem 0;
            position: relative;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.08);
            pointer-events: none;
        }

        .category-banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .category-banner-text {
            flex: 1;
            min-width: 280px;
        }

        .category-banner-text h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: 0.3px;
        }

        .category-banner-text .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            max-width: 600px;
        }

        .category-banner-stats {
            display: flex;
            gap: 2rem;
            flex-shrink: 0;
        }

        .banner-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.8rem;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .banner-stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .banner-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 0.3rem;
        }

        /* ========== 推荐内容区 ========== */
        .section-padding {
            padding: 3.5rem 0;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 8px;
        }

        .section-header {
            margin-bottom: 2rem;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 0.95rem;
            max-width: 650px;
            margin-top: 0.5rem;
        }

        /* 推荐卡片 */
        .recommend-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }

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

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

        .recommend-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .recommend-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            z-index: 2;
            letter-spacing: 0.3px;
        }

        .recommend-card-date {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            z-index: 2;
            letter-spacing: 0.2px;
        }

        .recommend-card-body {
            padding: 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .recommend-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .recommend-card-title a {
            color: var(--secondary);
        }

        .recommend-card-title a:hover {
            color: var(--primary);
        }

        .recommend-card-desc {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.8rem;
        }

        .recommend-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 0.8rem;
            margin-top: auto;
        }

        .recommend-card-tag {
            font-size: 0.78rem;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-weight: 500;
        }

        .recommend-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition);
        }

        .recommend-card-link i {
            font-size: 0.7rem;
            margin-left: 3px;
            transition: transform var(--transition);
        }

        .recommend-card-link:hover {
            color: #b8933a;
        }

        .recommend-card-link:hover i {
            transform: translateX(3px);
        }

        /* 推荐排行 */
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.2rem;
            background: #fff;
            border-radius: var(--radius);
            margin-bottom: 0.7rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .rank-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }

        .rank-num {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: #fff;
        }

        .rank-num.top1 {
            background: #e8b730;
        }
        .rank-num.top2 {
            background: #8a9aaa;
        }
        .rank-num.top3 {
            background: #c47f5a;
        }
        .rank-num.normal {
            background: var(--primary);
        }

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

        .rank-info .rank-title {
            font-weight: 600;
            color: var(--secondary);
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info .rank-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .rank-badge {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            flex-shrink: 0;
            background: var(--accent-light);
            color: #8a7020;
        }

        /* 特色区块 */
        .feature-highlight {
            background: var(--bg-alt);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid var(--border-light);
        }

        .feature-highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }

        .feature-highlight-item {
            text-align: center;
            padding: 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .feature-highlight-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .feature-highlight-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .feature-highlight-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.4rem;
        }

        .feature-highlight-item p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
            margin: 0;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1.1rem 1.3rem;
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius) var(--radius) 0 0 !important;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 0.15rem rgba(26, 95, 158, 0.2);
            border-color: var(--primary);
        }

        .accordion-custom .accordion-body {
            padding: 1.2rem 1.5rem;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            background: #fff;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #152d45 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(201, 168, 76, 0.12);
            pointer-events: none;
        }

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

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0.8rem 0 1.5rem;
            position: relative;
            z-index: 1;
        }

        .cta-btn-lg {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.8rem 2.5rem;
            border-radius: 30px;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }

        .cta-btn-lg:hover {
            background: #b8933a;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-dark);
            color: #c0cdd8;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-col p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: #a0b0c0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #a0b0c0;
            font-size: 0.88rem;
            transition: color var(--transition);
        }

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

        .footer-col ul li span {
            color: #a0b0c0;
            font-size: 0.88rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: #8a9aaa;
        }

        .footer-bottom a {
            color: #8a9aaa;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-bottom p {
            margin-bottom: 0.3rem;
        }

        /* 分页 */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 2.5rem;
        }

        .pagination-custom {
            display: flex;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .pagination-custom .page-link:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .pagination-custom .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .category-banner-stats {
                gap: 1rem;
            }
            .banner-stat-item {
                padding: 0.9rem 1.2rem;
            }
            .banner-stat-num {
                font-size: 1.6rem;
            }
            .category-banner-text h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem;
                border-radius: var(--radius);
                box-shadow: var(--shadow-md);
                margin-top: 0.5rem;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 0.7rem 1rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
            }
            .category-banner-content {
                flex-direction: column;
                text-align: center;
            }
            .category-banner-stats {
                justify-content: center;
            }
            .category-banner-text h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .recommend-card-img {
                height: 160px;
            }
            .feature-highlight {
                padding: 1.5rem;
            }
            .cta-section {
                padding: 2rem 1.5rem;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .breadcrumb-nav {
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .category-banner {
                padding: 2rem 0;
                min-height: auto;
            }
            .category-banner-text h1 {
                font-size: 1.35rem;
            }
            .category-banner-stats {
                flex-wrap: wrap;
                gap: 0.6rem;
                justify-content: center;
            }
            .banner-stat-item {
                padding: 0.7rem 1rem;
            }
            .banner-stat-num {
                font-size: 1.3rem;
            }
            .recommend-card-img {
                height: 140px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-padding {
                padding: 2rem 0;
            }
            .feature-highlight-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .breadcrumb-nav {
                font-size: 0.72rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: #b8933a !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 0.7rem 0;
            font-size: 0.875rem;
        }

        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--text-light);
            font-weight: 500;
        }

        .breadcrumb-bar a:hover {
            color: var(--primary);
        }

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

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

        .breadcrumb-bar .back-link {
            margin-right: 12px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .breadcrumb-bar .back-link i {
            margin-right: 4px;
        }

        /* ========== Hero 众筹预热风格 ========== */
        .hero-crowdfunding {
            background: linear-gradient(160deg, #f8fafd 0%, #eaf3fb 30%, #f4f8fc 60%, #ffffff 100%);
            padding: 3.5rem 0 3rem;
            position: relative;
            overflow: hidden;
        }

        .hero-crowdfunding::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(26, 95, 158, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-crowdfunding::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-cf-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 2.5rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-cf-left {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .hero-cf-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: #8b6914;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            width: fit-content;
            letter-spacing: 0.3px;
        }

        .hero-cf-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .hero-cf-left h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.3;
            margin: 0;
            letter-spacing: 0.5px;
        }

        .hero-cf-left h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-cf-left .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
            max-width: 480px;
        }

        .hero-cf-progress-wrap {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .progress-ring-container {
            position: relative;
            width: 110px;
            height: 110px;
            flex-shrink: 0;
        }

        .progress-ring-svg {
            transform: rotate(-90deg);
            width: 110px;
            height: 110px;
        }

        .progress-ring-bg {
            fill: none;
            stroke: #e8ecf1;
            stroke-width: 8;
        }

        .progress-ring-fill {
            fill: none;
            stroke: var(--accent);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.2s ease;
        }

        .progress-ring-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-ring-text .big-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
        }

        .progress-ring-text .small-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .hero-cf-stats {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .hero-cf-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .hero-cf-stat-item strong {
            color: var(--secondary);
            font-size: 1.1rem;
        }

        .hero-cf-stat-item i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .hero-cf-right {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .tier-cards {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 0.8rem;
        }

        .tier-card {
            background: #fff;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.2rem 0.9rem;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }

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

        .tier-card.featured {
            border-color: var(--accent);
            background: #fffef9;
            box-shadow: var(--shadow);
        }

        .tier-card.featured::before {
            content: '热门';
            position: absolute;
            top: -10px;
            right: -6px;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.6rem;
            border-radius: 10px;
            letter-spacing: 0.5px;
        }

        .tier-card .tier-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .tier-card.featured .tier-icon {
            color: var(--accent);
        }

        .tier-card .tier-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--secondary);
            margin-bottom: 0.3rem;
        }

        .tier-card .tier-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .tier-card .tier-count {
            display: inline-block;
            margin-top: 0.5rem;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
        }

        .hero-cf-cta-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-cf-primary {
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
        }

        .btn-cf-primary:hover {
            background: #b8933a;
            color: #fff;
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.45);
            transform: translateY(-2px);
        }

        .btn-cf-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 25px;
            transition: all var(--transition);
        }

        .btn-cf-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 3.5rem 0;
        }

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

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            max-width: 600px;
        }

        /* ========== 推荐列表 ========== */
        .recommend-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .recommend-item {
            display: flex;
            gap: 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
            position: relative;
        }

        .recommend-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateY(-1px);
        }

        .recommend-item .rec-thumb {
            width: 200px;
            height: 130px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
            background: #f0f4f8;
        }

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

        .recommend-item .rec-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            min-width: 0;
        }

        .rec-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .rec-badge {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            letter-spacing: 0.3px;
        }

        .rec-badge.hot {
            background: #fde8e8;
            color: #c0392b;
        }

        .rec-badge.expert {
            background: #e8f2fa;
            color: #1A5F9E;
        }

        .rec-badge.premium {
            background: #fef9e7;
            color: #8b6914;
        }

        .rec-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .recommend-item .rec-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.4;
            margin: 0;
        }

        .recommend-item .rec-title a {
            color: var(--secondary);
        }

        .recommend-item .rec-title a:hover {
            color: var(--primary);
        }

        .recommend-item .rec-summary {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rec-meta {
            display: flex;
            gap: 1rem;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .rec-meta i {
            margin-right: 4px;
            font-size: 0.7rem;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            transition: all var(--transition);
            align-self: flex-start;
        }

        .btn-read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .btn-read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .btn-read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== 侧边栏 ========== */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--border-light);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 0.35rem 0.8rem;
            background: var(--bg-alt);
            border-radius: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .tag-cloud a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-light);
        }

        .sidebar-link-list li:last-child {
            border-bottom: none;
        }

        .sidebar-link-list a {
            font-size: 0.9rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .sidebar-link-list a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .sidebar-link-list a i {
            font-size: 0.7rem;
            color: var(--accent);
        }

        /* ========== 分页 ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 2rem;
        }

        .pagination-wrap .page-link {
            border-radius: 6px;
            margin: 0 3px;
            color: var(--text);
            font-weight: 500;
            border: 1px solid var(--border);
            padding: 0.5rem 1rem;
            transition: all var(--transition);
        }

        .pagination-wrap .page-link:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .pagination-wrap .page-item.active .page-link {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 700;
        }

        .pagination-wrap .page-item.disabled .page-link {
            color: var(--text-muted);
            pointer-events: none;
            background: #f9fafb;
        }

        /* ========== 流程步骤 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .step-card {
            text-align: center;
            padding: 1.8rem 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.8rem;
            box-shadow: 0 4px 12px rgba(26, 95, 158, 0.25);
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== 数据卡片 ========== */
        .data-cards-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .data-card {
            text-align: center;
            padding: 1.8rem 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .data-card .data-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.4rem;
        }

        .data-card .data-num.accent {
            color: var(--accent);
        }

        .data-card .data-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }

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

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1rem 1.3rem;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .accordion-custom .accordion-body {
            padding: 1rem 1.3rem 1.3rem;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            background: #fafcfd;
            border-left: 4px solid var(--primary-light);
        }

        /* ========== CTA 区块 ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, #162d4a 100%);
            color: #fff;
            padding: 3rem 0;
            text-align: center;
            border-radius: var(--radius-xl);
            margin: 2rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(201, 168, 76, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-block p {
            font-size: 1rem;
            margin-bottom: 1.5rem;
            opacity: 0.9;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.8rem 2.2rem;
            border-radius: 25px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.35);
            position: relative;
            z-index: 1;
        }

        .btn-cta-lg:hover {
            background: #d4b45a;
            color: #fff;
            box-shadow: 0 8px 28px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #c4cdd5;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            line-height: 1.6;
            margin: 0;
            font-size: 0.85rem;
            color: #a0adb8;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #c4cdd5;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

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

        .footer-col ul li span {
            color: #a0adb8;
            font-size: 0.85rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: #8899a6;
        }

        .footer-bottom p {
            margin: 0.3rem 0;
        }

        .footer-bottom a {
            color: #a0adb8;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-cf-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-cf-left h1 {
                font-size: 2rem;
            }
            .tier-cards {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-cards-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding-top: 0.5rem;
                padding-bottom: 0.5rem;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 0.6rem 0.9rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                width: 100%;
                text-align: center;
                margin-top: 4px;
            }
            .hero-cf-grid {
                grid-template-columns: 1fr;
            }
            .hero-cf-left h1 {
                font-size: 1.7rem;
            }
            .tier-cards {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }
            .hero-cf-progress-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .recommend-item {
                flex-direction: column;
            }
            .recommend-item .rec-thumb {
                width: 100%;
                height: 180px;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .data-cards-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .breadcrumb-bar {
                font-size: 0.8rem;
            }
            .cta-block {
                padding: 2rem 1rem;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .hero-cf-left h1 {
                font-size: 1.4rem;
            }
            .hero-cf-progress-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .progress-ring-container {
                width: 90px;
                height: 90px;
            }
            .progress-ring-svg {
                width: 90px;
                height: 90px;
            }
            .progress-ring-text .big-num {
                font-size: 1.4rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .data-cards-row {
                grid-template-columns: 1fr 1fr;
            }
            .hero-cf-cta-row {
                flex-direction: column;
            }
            .btn-cf-primary,
            .btn-cf-outline {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .section-block {
                padding: 2.2rem 0;
            }
            .pagination-wrap .page-link {
                padding: 0.4rem 0.7rem;
                font-size: 0.8rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --accent-dark: #b8933a;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: var(--accent-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 0.6rem 0;
        }

        .breadcrumb-nav .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            flex-wrap: wrap;
        }

        .breadcrumb-nav .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
        }

        .breadcrumb-nav .breadcrumb li a {
            color: var(--primary);
            font-weight: 500;
        }

        .breadcrumb-nav .breadcrumb li a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .breadcrumb-nav .breadcrumb li .separator {
            color: var(--border);
            font-size: 0.7rem;
        }

        .breadcrumb-nav .breadcrumb li.current {
            color: var(--text);
            font-weight: 600;
        }

        .breadcrumb-back {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 500;
            font-size: 0.875rem;
            margin-right: 12px;
            white-space: nowrap;
        }

        .breadcrumb-back:hover {
            color: var(--primary-dark);
        }

        /* ========== 分类横幅 ========== */
        .category-banner {
            background: linear-gradient(135deg, #1E3A5F 0%, #1A5F9E 50%, #144a7a 100%);
            padding: 3rem 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .category-banner-text {
            flex: 1;
            min-width: 280px;
        }

        .category-banner-text h1 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.7rem;
            letter-spacing: 0.5px;
            color: #fff;
        }

        .category-banner-text .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            max-width: 600px;
        }

        .category-banner-stats {
            display: flex;
            gap: 2rem;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .banner-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.8rem;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            min-width: 100px;
        }

        .banner-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 0.3rem;
        }

        /* ========== 倒计时焦点模块 ========== */
        .countdown-spotlight {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 0;
        }

        .countdown-spotlight-inner {
            background: linear-gradient(135deg, #fff9f0 0%, #fff3e0 40%, #fef5e7 100%);
            border: 1px solid #f0d89c;
            border-radius: var(--radius-lg);
            padding: 1.6rem 2rem;
            margin: 1.5rem 0;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .countdown-spotlight-inner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--accent);
            border-radius: 5px 0 0 5px;
        }

        .countdown-badge {
            background: #e74c3c;
            color: #fff;
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            animation: pulse-badge 2s infinite;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-shrink: 0;
        }

        .countdown-timer .time-block {
            background: #1E3A5F;
            color: #fff;
            padding: 0.5rem 0.7rem;
            border-radius: 8px;
            font-size: 1.5rem;
            font-weight: 800;
            min-width: 50px;
            text-align: center;
            line-height: 1;
            letter-spacing: 1px;
        }

        .countdown-timer .time-separator {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1E3A5F;
        }

        .countdown-timer .time-label {
            font-size: 0.7rem;
            color: #5a6c7d;
            text-align: center;
            display: block;
            margin-top: 2px;
            font-weight: 500;
        }

        .countdown-match-info {
            flex: 1;
            min-width: 200px;
        }

        .countdown-match-info .match-teams {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.3rem;
        }

        .countdown-match-info .match-league {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .countdown-match-info .match-league .league-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .countdown-cta {
            flex-shrink: 0;
        }

        .countdown-cta .btn-grab {
            background: var(--accent);
            color: #fff;
            padding: 0.7rem 1.8rem;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 3px 12px rgba(201, 168, 76, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .countdown-cta .btn-grab:hover {
            background: var(--accent-dark);
            box-shadow: 0 5px 20px rgba(201, 168, 76, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== 主体内容区 ========== */
        .main-content-area {
            padding: 2.5rem 0;
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            align-items: start;
        }

        /* ========== 文章列表 ========== */
        .articles-section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 1rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--border-light);
        }

        .articles-section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .articles-section-header h2::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
        }

        .articles-sort {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .articles-sort .sort-btn {
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-light);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .articles-sort .sort-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .articles-sort .sort-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .article-card {
            display: flex;
            gap: 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.3rem;
            margin-bottom: 1.2rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            align-items: flex-start;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d0dce8;
            transform: translateY(-1px);
        }

        .article-card-image {
            flex-shrink: 0;
            width: 200px;
            height: 130px;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
        }

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

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

        .article-card-image .article-date-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            backdrop-filter: blur(2px);
        }

        .article-card-content {
            flex: 1;
            min-width: 0;
        }

        .article-card-content .article-category-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
        }

        .article-card-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            line-height: 1.4;
            color: var(--secondary);
        }

        .article-card-content h3 a {
            color: var(--secondary);
            transition: color var(--transition);
        }

        .article-card-content h3 a:hover {
            color: var(--primary);
        }

        .article-card-content .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0.7rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-content .article-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

        .article-card-content .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            transition: all var(--transition);
            margin-top: 0.4rem;
        }

        .article-card-content .read-more-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .article-card-content .read-more-link i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .article-card-content .read-more-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: sticky;
            top: 80px;
        }

        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .sidebar-widget h4::before {
            content: '';
            width: 3px;
            height: 18px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tags .tag {
            display: inline-block;
            padding: 0.35rem 0.8rem;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg-alt);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .sidebar-tags .tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .sidebar-tags .tag.hot {
            background: #fef5e7;
            color: #b8933a;
            border-color: #f0d89c;
            font-weight: 600;
        }

        .sidebar-mini-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-mini-list li {
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .sidebar-mini-list li:last-child {
            border-bottom: none;
        }

        .sidebar-mini-list li a {
            color: var(--text);
            font-size: 0.88rem;
            font-weight: 500;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            transition: color var(--transition);
            line-height: 1.4;
        }

        .sidebar-mini-list li a:hover {
            color: var(--primary);
        }

        .sidebar-mini-list li a .mini-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 6px;
        }

        .sidebar-mini-list li .mini-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
            margin-left: 14px;
        }

        /* ========== 分页 ========== */
        .pagination-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-light);
        }

        .pagination-custom {
            display: flex;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination-custom .page-item .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 0.7rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            transition: all var(--transition);
            cursor: pointer;
        }

        .pagination-custom .page-item .page-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .pagination-custom .page-item.active .page-link {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(26, 95, 158, 0.3);
        }

        .pagination-custom .page-item.disabled .page-link {
            color: var(--text-muted);
            pointer-events: none;
            background: var(--bg-alt);
            border-color: var(--border-light);
        }

        .pagination-info {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-alt);
            padding: 3rem 0;
            margin-top: 2rem;
        }

        .faq-section .section-title {
            text-align: center;
            margin-bottom: 2rem;
        }

        .faq-section .section-title h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0;
        }

        .faq-section .section-title .title-line {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 0.6rem auto 0;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.6rem;
            background: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .accordion-custom .accordion-header .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--secondary);
            background: #fff;
            padding: 1rem 1.3rem;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none;
            gap: 0.6rem;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .accordion-custom .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition);
        }

        .accordion-custom .accordion-body {
            padding: 1rem 1.5rem 1.3rem;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
        }

        /* ========== CTA区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E3A5F 0%, #1A5F9E 100%);
            padding: 3rem 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.8rem 2.2rem;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.4);
        }

        .cta-section .btn-cta-primary:hover {
            background: #b8933a;
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1E3A5F;
            color: #c5d0db;
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(255, 255, 255, 0.15);
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #b0bec5;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #b0bec5;
            font-size: 0.88rem;
            transition: color var(--transition);
        }

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

        .footer-col ul li span {
            color: #b0bec5;
            font-size: 0.88rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.82rem;
            color: #8a9aaa;
            line-height: 2;
        }

        .footer-bottom a {
            color: #b0bec5;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
                top: auto;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-banner-stats {
                gap: 1rem;
            }
            .banner-stat-item {
                padding: 0.8rem 1.2rem;
            }
            .banner-stat-item .stat-number {
                font-size: 1.5rem;
            }
            .countdown-spotlight-inner {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            .countdown-timer {
                justify-content: center;
            }
            .countdown-match-info {
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem;
                border-radius: var(--radius);
                box-shadow: var(--shadow-md);
                margin-top: 0.5rem;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: 6px;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                margin-top: 4px;
            }
            .category-banner {
                padding: 2rem 0;
            }
            .category-banner-content {
                flex-direction: column;
                text-align: center;
            }
            .category-banner-text h1 {
                font-size: 1.6rem;
            }
            .category-banner-stats {
                justify-content: center;
            }
            .article-card {
                flex-direction: column;
                gap: 1rem;
            }
            .article-card-image {
                width: 100%;
                height: 180px;
            }
            .countdown-spotlight-inner {
                padding: 1.2rem;
            }
            .countdown-timer .time-block {
                font-size: 1.2rem;
                min-width: 40px;
                padding: 0.4rem 0.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .breadcrumb-nav .breadcrumb {
                font-size: 0.78rem;
            }
            .articles-section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .pagination-custom .page-item .page-link {
                min-width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .countdown-timer {
                gap: 4px;
            }
            .countdown-timer .time-block {
                font-size: 1rem;
                min-width: 34px;
                padding: 0.3rem 0.4rem;
                border-radius: 5px;
            }
            .countdown-timer .time-separator {
                font-size: 1rem;
            }
            .category-banner-text h1 {
                font-size: 1.35rem;
            }
            .banner-stat-item {
                padding: 0.6rem 1rem;
                min-width: 70px;
            }
            .banner-stat-item .stat-number {
                font-size: 1.3rem;
            }
            .articles-sort .sort-btn {
                font-size: 0.75rem;
                padding: 0.3rem 0.7rem;
            }
            .sidebar-widget {
                padding: 1rem;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1A5F9E;
            --primary-dark: #144a7a;
            --primary-light: #e8f2fa;
            --secondary: #1E3A5F;
            --accent: #C9A84C;
            --accent-light: #f7f0db;
            --bg: #FFFFFF;
            --bg-alt: #F4F8FC;
            --bg-dark: #1E3A5F;
            --text: #2c3e50;
            --text-light: #5a6c7d;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --radius: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            padding: 0.7rem 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(26, 95, 158, 0.25);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 0;
            flex-wrap: wrap;
            min-height: 62px;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--text);
        }

        .nav-cta-btn {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: 20px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            transition: all var(--transition) !important;
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            background: #b8933a !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: #f8fafc;
            border-bottom: 1px solid var(--border-light);
            padding: 0.6rem 0;
            font-size: 0.875rem;
        }

        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            color: var(--text-muted);
        }

        .breadcrumb-bar a {
            color: var(--text-light);
            font-weight: 500;
            transition: color var(--transition);
        }

        .breadcrumb-bar a:hover {
            color: var(--primary);
        }

        .breadcrumb-bar .separator {
            color: #cbd5e0;
            font-size: 0.75rem;
        }

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

        .breadcrumb-bar .back-link {
            margin-right: 10px;
            font-weight: 500;
            color: var(--primary);
            font-size: 0.85rem;
        }

        .breadcrumb-bar .back-link i {
            margin-right: 3px;
        }

        /* ========== Hero 拼团转化 ========== */
        .hero-group-buy {
            position: relative;
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a54 40%, #1a4a6e 100%);
            min-height: 60vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 3rem 0;
        }

        .hero-group-buy .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-group-buy .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .hero-group-buy .hero-text {
            flex: 1 1 480px;
            color: #fff;
        }

        .hero-group-buy .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 1rem;
        }

        .hero-group-buy .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 0.9rem;
            color: #fff;
            letter-spacing: 0.3px;
        }

        .hero-group-buy .hero-text h1 .highlight {
            color: var(--accent);
        }

        .hero-group-buy .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            line-height: 1.6;
            max-width: 500px;
        }

        .hero-group-buy .group-info {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 1.8rem;
            flex-wrap: wrap;
        }

        .hero-group-buy .group-avatars {
            display: flex;
            align-items: center;
        }

        .hero-group-buy .group-avatars .avatar-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid #fff;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.8rem;
            margin-right: -10px;
            position: relative;
            z-index: 1;
        }

        .hero-group-buy .group-avatars .avatar-dot:nth-child(1) {
            z-index: 5;
            background: #e3f2fd;
        }

        .hero-group-buy .group-avatars .avatar-dot:nth-child(2) {
            z-index: 4;
            background: #e8f5e9;
        }

        .hero-group-buy .group-avatars .avatar-dot:nth-child(3) {
            z-index: 3;
            background: #fff3e0;
        }

        .hero-group-buy .group-avatars .avatar-dot:nth-child(4) {
            z-index: 2;
            background: #fce4ec;
        }

        .hero-group-buy .group-avatars .avatar-more {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid #fff;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            margin-right: 0;
            z-index: 1;
        }

        .hero-group-buy .group-count {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .hero-group-buy .group-count strong {
            color: var(--accent);
            font-size: 1.2rem;
            font-weight: 800;
        }

        .hero-group-buy .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-group-buy .btn-start-group {
            background: var(--accent);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
            border: none;
        }

        .hero-group-buy .btn-start-group:hover {
            background: #b8933a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.45);
            color: #fff;
        }

        .hero-group-buy .btn-join-group {
            background: transparent;
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.3px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }

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

        .hero-group-buy .hero-visual {
            flex: 1 1 380px;
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-group-buy .hero-card-preview {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-lg);
            max-width: 340px;
            width: 100%;
        }

        .hero-group-buy .hero-card-preview .preview-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 0.8rem;
            text-align: center;
        }

        .hero-group-buy .hero-card-preview .preview-leagues {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .hero-group-buy .hero-card-preview .league-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .hero-group-buy .hero-card-preview .preview-progress {
            background: #e9ecef;
            border-radius: 10px;
            height: 8px;
            overflow: hidden;
            margin-bottom: 0.6rem;
        }

        .hero-group-buy .hero-card-preview .preview-progress .fill {
            height: 100%;
            background: var(--accent);
            border-radius: 10px;
            width: 68%;
            transition: width 0.6s ease;
        }

        .hero-group-buy .hero-card-preview .preview-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .hero-group-buy .hero-card-preview .preview-meta span {
            font-weight: 600;
            color: var(--text);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 3.5rem 0;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.6rem;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.6;
        }

        .section-header {
            margin-bottom: 2rem;
        }

        /* ========== 联赛简介区 ========== */
        .intro-block {
            display: flex;
            gap: 2.5rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .intro-block .intro-text {
            flex: 1 1 420px;
        }

        .intro-block .intro-text p {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .intro-block .intro-image {
            flex: 1 1 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .intro-block .intro-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* ========== 联赛卡片网格 ========== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .league-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

        .league-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 180px;
            background: #e9ecef;
        }

        .league-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .league-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            z-index: 2;
        }

        .league-card .card-body {
            padding: 1.2rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .league-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .league-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .league-card .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }

        .league-card .card-body .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            align-self: flex-start;
        }

        .league-card .card-body .card-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ========== 特色亮点区 ========== */
        .features-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }

        .feature-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-item .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .feature-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 0.5rem;
        }

        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            display: flex;
            gap: 2.5rem;
            flex-wrap: wrap;
            align-items: flex-start;
        }

        .deep-content .deep-text {
            flex: 1 1 500px;
        }

        .deep-content .deep-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 1rem;
        }

        .deep-content .deep-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .deep-content .deep-side {
            flex: 1 1 340px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .deep-content .deep-side h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--primary-light);
        }

        .deep-content .deep-side .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .deep-content .deep-side .tag-cloud .tag {
            background: var(--bg-alt);
            color: var(--text-light);
            padding: 0.4rem 0.9rem;
            border-radius: 18px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .deep-content .deep-side .tag-cloud .tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ========== 数据统计区 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            text-align: center;
        }

        .stat-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-weight: 500;
        }

        /* ========== 分页 ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .pagination-wrap .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            cursor: pointer;
        }

        .pagination-wrap .page-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .pagination-wrap .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .pagination-wrap .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 0.7rem;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }

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

        .accordion-custom .accordion-button {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            background: #fff;
            padding: 1rem 1.3rem;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none !important;
            border-left: 4px solid transparent;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 4px solid var(--primary);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }

        .accordion-custom .accordion-body {
            padding: 1rem 1.3rem 1.3rem;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.75;
            background: #fafbfc;
        }

        .accordion-custom .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a3d5c 60%, #0f2a40 100%);
            padding: 3.5rem 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: 0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section .btn-cta-large {
            background: var(--accent);
            color: #fff;
            padding: 0.85rem 2.5rem;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.4);
            border: none;
            display: inline-block;
        }

        .cta-section .btn-cta-large:hover {
            background: #b8933a;
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(201, 168, 76, 0.5);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #c5cdd5;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            line-height: 1.7;
            color: #b0bac3;
            font-size: 0.88rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #c5cdd5;
            transition: color var(--transition);
            font-size: 0.88rem;
        }

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

        .footer-col ul li span {
            color: #b0bac3;
            font-size: 0.88rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #8a95a2;
            font-size: 0.82rem;
            line-height: 2;
        }

        .footer-bottom a {
            color: #b0bac3;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-group-buy .hero-content {
                flex-direction: column;
                gap: 2rem;
            }

            .hero-group-buy .hero-text h1 {
                font-size: 2rem;
            }

            .hero-group-buy .hero-visual {
                flex: 1 1 auto;
                width: 100%;
            }

            .hero-group-buy .hero-card-preview {
                max-width: 100%;
            }

            .intro-block {
                flex-direction: column;
            }

            .deep-content {
                flex-direction: column;
            }

            .league-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem 0;
                gap: 2px;
                border-top: 1px solid var(--border-light);
                margin-top: 0.5rem;
            }

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

            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: 0;
            }

            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                width: 100%;
                border-radius: 6px !important;
                margin-top: 4px;
            }

            .hero-group-buy {
                min-height: auto;
                padding: 2.5rem 0;
            }

            .hero-group-buy .hero-text h1 {
                font-size: 1.6rem;
            }

            .hero-group-buy .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-group-buy .hero-buttons {
                flex-direction: column;
                gap: 0.7rem;
            }

            .hero-group-buy .btn-start-group,
            .hero-group-buy .btn-join-group {
                width: 100%;
                text-align: center;
            }

            .section {
                padding: 2.5rem 0;
            }

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

            .breadcrumb-bar {
                font-size: 0.78rem;
                padding: 0.5rem 0;
            }

            .league-grid {
                grid-template-columns: 1fr;
            }

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

            .features-row {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-group-buy .hero-text h1 {
                font-size: 1.35rem;
            }

            .hero-group-buy .group-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }

            .stats-row {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .pagination-wrap .page-btn {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }

            .section-title {
                font-size: 1.3rem;
            }
        }