/* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }
        
        a {
            text-decoration: none;
            color: #0088cc;
            transition: color 0.3s;
        }
        
        a:hover {
            color: #005580;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 头部样式 */
        header {
            background-color: #0088cc;
            color: white;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
        }
        
        .logo a {
            color: white;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 28px;
        }
        
        /* 导航样式 */
        nav {
            background-color: #fff;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            margin-bottom: 20px;
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }
        
        .main-nav {
            display: flex;
            list-style: none;
        }
        
        .main-nav li {
            margin-right: 20px;
            position: relative;
        }
        
        .main-nav a {
            color: #333;
            padding: 5px 0;
            display: flex;
            align-items: center;
        }
        
        .main-nav a i {
            margin-right: 5px;
        }
        
        .main-nav a:hover {
            color: #0088cc;
        }
        
        .breadcrumb {
            font-size: 14px;
            color: #666;
        }
        
        .breadcrumb a {
            color: #666;
        }
        
        .breadcrumb a:hover {
            color: #0088cc;
        }
        
        /* 主要内容区样式 */
        .main-content {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .content {
            flex: 3;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 30px;
        }
        
        .sidebar {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .widget {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 20px;
        }
        
        .widget-title {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #0088cc;
            display: flex;
            align-items: center;
        }
        
        .widget-title i {
            margin-right: 8px;
            color: #0088cc;
        }
        
        /* 文章头部样式 */
        .article-header {
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .article-title {
            font-size: 28px;
            color: #333;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }
        
        .article-meta span {
            display: flex;
            align-items: center;
        }
        
        .article-meta i {
            margin-right: 5px;
            color: #0088cc;
        }
        
        .article-desc {
            font-size: 16px;
            color: #666;
            line-height: 1.6;
            background: #f9f9f9;
            padding: 15px;
            border-radius: 5px;
            border-left: 3px solid #0088cc;
        }
        
        /* 文章内容样式 */
        .article-content {
            margin-bottom: 30px;
        }
        
        .article-thumb {
            width: 100%;
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .article-thumb img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: #444;
        }
        
        .article-body p {
            margin-bottom: 15px;
        }
        
        .article-body h2, .article-body h3, .article-body h4 {
            margin: 25px 0 15px;
            color: #333;
        }
        
        .article-body h2 {
            font-size: 22px;
            border-bottom: 1px solid #eee;
            padding-bottom: 8px;
        }
        
        .article-body h3 {
            font-size: 19px;
        }
        
        .article-body ul, .article-body ol {
            margin: 15px 0;
            padding-left: 25px;
        }
        
        .article-body li {
            margin-bottom: 8px;
        }
        
        .article-body blockquote {
            border-left: 4px solid #0088cc;
            background: #f9f9f9;
            padding: 15px 20px;
            margin: 20px 0;
            font-style: italic;
        }
        
        /* 文章导航样式 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .nav-prev, .nav-next {
            flex: 1;
        }
        
        .nav-next {
            text-align: right;
        }
        
        .nav-label {
            font-size: 14px;
            color: #666;
            margin-bottom: 5px;
            display: flex;
            align-items: center;
        }
        
        .nav-prev .nav-label i {
            margin-right: 5px;
        }
        
        .nav-next .nav-label i {
            margin-left: 5px;
        }
        
        .nav-title {
            font-size: 15px;
            font-weight: 500;
            color: #333;
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .nav-title:hover {
            color: #0088cc;
        }
        
        /* 热门文章样式 */
        .hot-article-list {
            list-style: none;
        }
        
        .hot-article-item {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
        }
        
        .hot-article-item:last-child {
            border-bottom: none;
        }
        
        .hot-article-item i {
            margin-right: 8px;
            color: #ff6b6b;
        }
        
        .hot-article-meta {
            font-size: 12px;
            color: #999;
            margin-top: 5px;
            display: flex;
            align-items: center;
        }
        
        .hot-article-meta i {
            margin-right: 5px;
            color: #999;
        }
        
        /* 最新文章样式 */
        .latest-article-list {
            list-style: none;
        }
        
        .latest-article-item {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        
        .latest-article-item:last-child {
            border-bottom: none;
        }
        
        .latest-article-title {
            font-size: 15px;
            margin-bottom: 5px;
            line-height: 1.4;
        }
        
        .latest-article-meta {
            font-size: 12px;
            color: #999;
            display: flex;
            align-items: center;
        }
        
        .latest-article-meta i {
            margin-right: 5px;
        }
        
        /* 随机文章样式 */
        .random-article-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .random-article-item {
            display: flex;
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s;
        }
        
        .random-article-item:hover {
            transform: translateY(-3px);
        }
        
        .random-article-img {
            width: 80px;
            flex-shrink: 0;
            overflow: hidden;
        }
        
        .random-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .random-article-info {
            flex: 1;
            padding: 10px;
        }
        
        .random-article-title {
            font-size: 14px;
            margin-bottom: 5px;
            line-height: 1.4;
        }
        
        .random-article-meta {
            font-size: 12px;
            color: #999;
            display: flex;
            align-items: center;
        }
        
        .random-article-meta i {
            margin-right: 3px;
        }
        
        /* 底部样式 */
        footer {
            background-color: #333;
            color: #fff;
            padding: 30px 0 15px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .footer-section {
            flex: 1;
        }
        
        .footer-section h3 {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #555;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 8px;
        }
        
        .footer-links a {
            color: #ccc;
            display: flex;
            align-items: center;
        }
        
        .footer-links a i {
            margin-right: 8px;
        }
        
        .footer-links a:hover {
            color: #0088cc;
        }
        
        .copyright {
            text-align: center;
            padding-top: 15px;
            border-top: 1px solid #555;
            font-size: 14px;
            color: #999;
        }
        
        /* 返回顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: #0088cc;
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background-color: #005580;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .main-content {
                flex-direction: column;
            }
            
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 10px;
            }
            
            .nav-container {
                flex-direction: column;
            }
            
            .main-nav {
                margin-top: 10px;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .breadcrumb {
                margin-top: 10px;
            }
            
            .article-title {
                font-size: 24px;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }
            
            .article-navigation {
                flex-direction: column;
                gap: 15px;
            }
            
            .nav-prev, .nav-next {
                text-align: left;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 20px;
            }
        }