:root {
            --primary: #2c7de6;
            --primary-light: #d4e6ff;
            --primary-dark: #0d4a9c;
            --nav-hover: #0d4a9c;
            --text-color: #333;
            --text-light: #666;
            --border-color: #e4e7ed;
            --bg-gray: #f5f7fa;
            --success: #52c41a;
            --warning: #faad14;
            --danger: #f5222d;
            --shadow: 0 4px 12px rgba(0,0,0,0.06);
            --radius: 8px;
            --dark-bg: #0d4a9c;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-color);
            background-color: #f9fbfd;
            line-height: 1.6;
        }
        
        a {
            text-decoration: none;
            color: var(--text-color);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 顶部导航栏 */
        .topbar-bg {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .topbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            color: #666;
            font-size: 13px;
        }
        
        /* 主导航 - 保持原样式 */
        .header {
            background-color: #fff;
        }
        
        .header-container {
            display: flex;
            flex-direction: column;
            padding: 15px 0 0;
        }
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .logo {
            height: 50px;
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 100%;
            width: auto;
        }
        
        /* 搜索框 */
        .nav-search {
            flex: 1;
            max-width: 500px;
            margin-left: 20px;
            position: relative;
            z-index: 1000;
        }
        
        .search-form {
            display: flex;
            position: relative;
            width: 100%;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
            z-index: 1000;
        }
        
        .search-input {
            flex: 1;
            height: 42px;
            padding: 0 20px;
            border: none;
            outline: none;
            font-size: 15px;
            background: #fff;
            border-radius: var(--radius) 0 0 var(--radius);
        }
        
        .search-input:focus {
            background: #f8fafc;
        }
        
        .search-button {
            height: 42px;
            padding: 0 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        
        .search-button:hover {
            background: var(--primary-dark);
        }
        
        /* 导航栏 - 保持原样式 */
        .nav-container {
            background-color: var(--primary-light);
            border-radius: var(--radius);
            margin-top: 10px;
        }
        
        .navbar {
            display: flex;
            list-style: none;
            width: 100%;
            padding: 0;
            margin: 0;
        }
        
        .navbar li {
            padding: 0;
        }
        
        .navbar li a {
            font-weight: 500;
            font-size: 16px;
            padding: 15px 18px;
            position: relative;
            display: block;
            color: #1a68cc;
            transition: all 0.3s;
        }
        
        .navbar li a:hover {
            color: var(--nav-hover);
            background: rgba(255,255,255,0.2);
        }
        
        .navbar li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--nav-hover);
            transition: width 0.3s ease;
        }
        
        .navbar li a:hover:after {
            width: 100%;
        }
        
        .navbar li a.active {
            color: var(--nav-hover);
            font-weight: 600;
        }
        
        /* 新版网站统计和标题 - 深色背景 */
        .page-header {
            text-align: center;
            margin: 40px 0 20px;
            position: relative;
            padding: 60px 0 40px;
            background: var(--dark-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            color: #fff;
        }
        
        .page-title {
            font-size: 36px;
            margin-bottom: 10px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .page-subtitle {
            color: rgba(255,255,255,0.85);
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .stats-card {
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 25px;
            text-align: center;
            margin: 30px auto;
            max-width: 800px;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255,255,255,0.1);
        }
        
        .stats-content {
            font-size: 18px;
            color: #fff;
            line-height: 1.8;
        }
        
        .stats-highlight {
            color: #fff;
            font-weight: bold;
            padding: 0 5px;
            font-size: 20px;
            position: relative;
            text-shadow: 0 0 8px rgba(255,255,255,0.4);
        }
        
        .stats-highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: rgba(255,255,255,0.5);
            border-radius: 2px;
        }
        
        /* 版块通用样式 */
        .section {
            margin: 30px 0;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 25px;
        }
        
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .section-title {
            font-size: 20px;
            font-weight: 600;
            display: flex;
            align-items: center;
            color: var(--text-color);
            position: relative;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -16px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        
        /* 排行榜容器 */
        .top-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
            margin-top: 15px;
        }
        
        @media (max-width: 768px) {
            .top-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .top-section {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .top-section:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transform: translateY(-3px);
        }
        
        .top-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .top-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        
        .top-title img {
            margin-left: 8px;
            height: 20px;
        }
        
        .top-badge {
            position: absolute;
            top: 0;
            right: 0;
            background: var(--primary);
            color: white;
            padding: 5px 15px;
            font-size: 14px;
            font-weight: bold;
            border-radius: 0 0 0 10px;
        }
        
        /* 排行榜列表 */
        .ranking-list {
            list-style: none;
        }
        
        .ranking-item {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        
        .ranking-item:hover {
            background: rgba(44,125,230,0.03);
        }
        
        .ranking-item:last-child {
            border-bottom: none;
        }
        
        .ranking-item span {
            font-weight: bold;
            width: 25px;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 16px;
            text-align: center;
        }
        
        .ranking-item a {
            flex: 1;
            font-size: 15px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        
        .ranking-item em {
            color: var(--text-light);
            font-size: 13px;
            margin-left: 10px;
            font-style: normal;
            font-weight: 500;
        }
        
        .ranking-item a:hover {
            color: var(--primary);
        }
        
        /* 推荐资讯卡片样式 */
        .recommended-articles {
            margin-top: 40px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 25px;
        }
        
        .recommended-articles .section-header {
            margin-bottom: 20px;
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        
        @media (max-width: 768px) {
            .articles-grid {
                grid-template-columns: 1fr;
            }
            
            /* 移动端改为列表样式 */
            .articles-grid .article-card {
                border: none;
                box-shadow: none;
                background: transparent;
                padding: 15px 0;
                border-bottom: 1px dashed var(--border-color);
                border-radius: 0;
            }
            
            .articles-grid .article-card:last-child {
                border-bottom: none;
            }
            
            .articles-grid .article-card:hover {
                transform: none;
                box-shadow: none;
                border-color: transparent;
            }
        }
        
        .article-card {
            background: #f8fafc;
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }
        
        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .article-card:hover::before {
            opacity: 1;
        }
        
        .article-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-color);
            line-height: 1.4;
        }
        
        .article-excerpt {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #888;
            font-size: 13px;
            border-top: 1px dashed var(--border-color);
            padding-top: 10px;
        }
        
        /* 主内容区域 */
        .main-content {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 30px;
            max-width: 1200px;
            margin: 0 auto 40px;
        }
        
        /* 页脚 */
        .footer {
            margin-top: 40px;
            padding: 50px 0 30px;
            background: #fff;
            text-align: center;
            border-top: 1px solid var(--border-color);
            color: var(--text-light);
        }
        
        .footer-menu {
            margin-bottom: 25px;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .footer-menu a {
            margin: 0 15px 10px;
            font-size: 14px;
            color: var(--text-light);
            transition: all 0.3s;
        }
        
        .footer-menu a:hover {
            color: var(--primary);
        }
        
        .footer-copyright {
            font-size: 13px;
            margin-top: 15px;
            line-height: 1.6;
        }
        
        /* 移动端调整 */
        @media (max-width: 991px) {
            .topbar {
                display: none;
            }
            
            .header-container {
                padding: 10px 0 0;
            }
            
            .header-top {
                flex-direction: column;
                align-items: stretch;
                margin-bottom: 10px;
            }
            
            .logo {
                margin-bottom: 15px;
                justify-content: center;
            }
            
            .nav-search {
                margin: 0 0 15px;
                max-width: 100%;
            }
            
            .navbar {
                margin: 0;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .navbar li {
                padding: 0;
                flex: 1 0 auto;
                text-align: center;
            }
            
            .navbar li a {
                padding: 12px 10px;
                font-size: 14px;
            }
            
            .search-form {
                width: 100%;
            }
            
            .search-input {
                height: 42px;
            }
            
            .search-button {
                height: 42px;
                padding: 0 15px;
            }
            
            .page-title {
                font-size: 26px;
            }
            
            .page-subtitle {
                font-size: 16px;
            }
            
            .stats-card {
                padding: 20px 15px;
                margin: 20px auto;
            }
            
            .stats-content {
                font-size: 16px;
            }
            
            .stats-highlight {
                font-size: 18px;
            }
            
            .main-content {
                padding: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .section {
                padding: 20px;
            }
            
            .top-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .top-section {
                padding: 15px;
            }
        }
        
        .view-all {
            color: var(--primary);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .view-all:hover {
            color: var(--primary-dark);
        }
        
        .quick-links a {
            margin-left: 15px;
            padding: 6px 15px;
            background: var(--primary);
            color: white;
            border-radius: 20px;
            font-size: 14px;
        }
        
        .quick-links a:hover {
            background: var(--primary-dark);
            color: white;
        }