* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
            padding: 0;
            margin: 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 顶部导航栏 */
        .top-nav {
            background-color: #2c3e50;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 15px;
        }
        .site-logo {
            color: white;
            font-size: 22px;
            font-weight: bold;
            text-decoration: none;
            padding: 15px 0;
        }
        .main-menu {
            display: flex;
            list-style: none;
        }
        .main-menu li {
            position: relative;
        }
        .main-menu li:hover .sub-menu {
            display: block;
        }
        .main-menu a {
            color: #ecf0f1;
            text-decoration: none;
            padding: 18px 20px;
            display: block;
            font-size: 15px;
            transition: all 0.3s;
        }
        .main-menu a:hover {
            background-color: #34495e;
            color: #fff;
        }
        .main-menu .current-menu-item a {
            background-color: #e74c3c;
            color: white;
        }
        /* 下拉菜单 */
        .sub-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            min-width: 200px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            z-index: 100;
            border-radius: 0 0 4px 4px;
        }
        .sub-menu li {
            border-bottom: 1px solid #eee;
        }
        .sub-menu a {
            color: #555;
            padding: 12px 15px;
        }
        .sub-menu a:hover {
            background: #f5f5f5;
            color: #e74c3c;
        }
        
        header {
            background: linear-gradient(135deg, #2c3e50, #4a6491);
            color: white;
            padding: 30px 0;
            margin-bottom: 25px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            text-align: center;
        }
        header h1 {
            font-size: 36px;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
            margin-bottom: 10px;
        }
        .header-desc {
            font-size: 16px;
            color: #ecf0f1;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 热门文章区域 - 改进样式 */
        .hot-articles {
            background-color: #fff;
            padding: 25px;
            margin-bottom: 30px;
            border-radius: 8px;
            box-shadow: 0 3px 15px rgba(0,0,0,0.08);
        }
        .hot-articles h2 {
            font-size: 24px;
            margin-bottom: 25px;
            padding-bottom: 12px;
            border-bottom: 2px solid #f0f0f0;
            color: #e74c3c;
            position: relative;
        }
        .hot-articles h2:after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 80px;
            height: 2px;
            background: #e74c3c;
        }
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }
        .hot-list li {
            padding: 20px;
            border-radius: 6px;
            background: #f9f9f9;
            transition: all 0.3s ease;
            border-left: 4px solid #e74c3c;
        }
        .hot-list li:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            background: #fff;
        }
        .hot-list a {
            color: #2c3e50;
            font-size: 20px;
            font-weight: bold;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .hot-list a:hover {
            color: #e74c3c;
        }
        .hot-list p {
            color: #666;
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .hot-list .hot-meta {
            font-size: 13px;
            color: #999;
        }
        .hot-list .hot-tag {
            display: inline-block;
            background: #e74c3c;
            color: white;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 3px;
            margin-right: 8px;
        }
        
        /* 主体内容区域 - 两栏布局 */
        .main-content {
            display: flex;
            gap: 30px;
            margin-bottom: 40px;
        }
        .content-left {
            flex: 2;
        }
        .content-right {
            flex: 1;
        }
        
        /* 文章列表区域 */
        .article-list {
            background-color: #fff;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 3px 15px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        .article-list h2 {
            font-size: 24px;
            margin-bottom: 25px;
            padding-bottom: 12px;
            border-bottom: 2px solid #f0f0f0;
            color: #3498db;
            position: relative;
        }
        .article-list h2:after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 80px;
            height: 2px;
            background: #3498db;
        }
        .article-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .article-list li {
            padding: 15px 0;
            border-bottom: 1px dashed #eee;
        }
        .article-list li:nth-child(odd) {
            padding-right: 15px;
        }
        .article-list li:nth-child(even) {
            padding-left: 15px;
        }
        .article-list a {
            color: #333;
            text-decoration: none;
            display: block;
            padding: 5px 0;
            font-size: 17px;
            transition: color 0.2s;
            line-height: 1.4;
        }
        .article-list a:hover {
            color: #3498db;
        }
        .article-list .date {
            display: block;
            color: #999;
            font-size: 13px;
            margin-top: 5px;
        }
        
        /* 右侧边栏 */
        .sidebar-widget {
            background-color: #fff;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 3px 15px rgba(0,0,0,0.08);
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
            color: #2c3e50;
            position: relative;
        }
        .sidebar-widget h3:after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 50px;
            height: 2px;
            background: #2c3e50;
        }
        .related-articles ul {
            list-style: none;
        }
        .related-articles li {
            padding: 12px 0;
            border-bottom: 1px dashed #eee;
        }
        .related-articles a {
            color: #555;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.2s;
            line-height: 1.4;
        }
        .related-articles a:hover {
            color: #e74c3c;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 6px 14px;
            background: #f0f0f0;
            color: #555;
            text-decoration: none;
            border-radius: 15px;
            font-size: 14px;
            transition: all 0.2s;
        }
        .tag-cloud a:hover {
            background: #3498db;
            color: white;
        }
        .tag-cloud a.tag-1 { font-size: 13px; }
        .tag-cloud a.tag-2 { font-size: 15px; }
        .tag-cloud a.tag-3 { font-size: 17px; }
        .tag-cloud a.tag-4 { font-size: 19px; }
        
        /* 页脚 */
        footer {
            background: linear-gradient(135deg, #2c3e50, #4a6491);
            color: white;
            padding: 40px 0 25px;
        }
        .footer-widgets {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-widget {
            color: #bdc3c7;
        }
        .footer-widget h3 {
            color: #ecf0f1;
            font-size: 18px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-widget ul {
            list-style: none;
        }
        .footer-widget li {
            margin-bottom: 10px;
        }
        .footer-widget a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-widget a:hover {
            color: #ecf0f1;
        }
        .friend-links {
            text-align: center;
            margin-bottom: 30px;
        }
        .friend-links h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: #ecf0f1;
        }
        .friend-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        .friend-links a {
            color: #bdc3c7;
            text-decoration: none;
            padding: 5px 15px;
            transition: all 0.2s;
        }
        .friend-links a:hover {
            color: #ecf0f1;
            background: rgba(255,255,255,0.1);
            border-radius: 3px;
        }
        .copyright {
            text-align: center;
            font-size: 14px;
            color: #bdc3c7;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }