/* 重置样式和基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
            font-size: 16px;
        }
        
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s;
        }
        
        a:hover {
            color: #004d99;
            text-decoration: underline;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        /* 容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 头部 */
        .site-header {
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            font-weight: 700;
        }
        
        .logo a {
            color: white;
            text-decoration: none;
        }
        
        .logo-icon {
            font-size: 1.8rem;
            margin-right: 10px;
        }
        
        /* 主导航 */
        .main-nav ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        
        .main-nav li {
            margin: 0 5px;
        }
        
        .main-nav a {
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-weight: 500;
        }
        
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }
        
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }
        
        /* 搜索框 */
        .search-box {
            display: flex;
            margin-top: 10px;
            width: 100%;
        }
        
        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        
        .search-button {
            background: #ff6b00;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            background: white;
            padding: 10px 0;
            margin-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }
        
        .breadcrumb li {
            margin-right: 5px;
        }
        
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 5px;
            color: #666;
        }
        
        .breadcrumb a {
            color: #666;
        }
        
        .breadcrumb a:hover {
            color: #1a73e8;
        }
        
        /* 主要内容区域 */
        .main-content {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        /* 左栏 - 主新闻区 */
        .content-primary {
            flex: 3;
            min-width: 300px;
            padding-right: 20px;
        }
        
        /* 右栏 - 侧边栏 */
        .sidebar {
            flex: 1;
            min-width: 250px;
        }
        
        /* 头条新闻 */
        .headline-news {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .headline-image {
            position: relative;
            height: 300px;
            overflow: hidden;
        }
        
        .headline-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .headline-image:hover img {
            transform: scale(1.05);
        }
        
        .headline-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: white;
            padding: 20px;
        }
        
        .headline-title {
            font-size: 1.5rem;
            margin-bottom: 5px;
        }
        
        .headline-title a {
            color: white;
        }
        
        .headline-title a:hover {
            text-decoration: underline;
        }
        
        .headline-meta {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        /* 新闻列表 */
        .news-section {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1a73e8;
        }
        
        .section-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a73e8;
        }
        
        .section-more {
            color: #666;
            font-size: 0.9rem;
        }
        
        .news-list {
            list-style: none;
        }
        
        .news-item {
            display: flex;
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-rank {
            color: #ff6b00;
            font-weight: bold;
            min-width: 25px;
            font-size: 1.1rem;
        }
        
        .news-content {
            flex: 1;
        }
        
        .news-title {
            font-size: 1rem;
            margin-bottom: 5px;
            line-height: 1.4;
        }
        
        .news-meta {
            display: flex;
            font-size: 0.8rem;
            color: #666;
        }
        
        .news-category {
            background: #e8f0fe;
            color: #1a73e8;
            padding: 2px 6px;
            border-radius: 3px;
            margin-right: 10px;
        }
        
        .news-time {
            margin-right: 10px;
        }
        
        .news-views {
            color: #888;
        }
        
        /* 侧边栏 */
        .sidebar-widget {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .widget-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #1a73e8;
            color: #1a73e8;
        }
        
        .hot-news-list {
            list-style: none;
        }
        
        .hot-news-item {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .hot-news-item:last-child {
            border-bottom: none;
        }
        
        .hot-news-title {
            font-size: 0.95rem;
            line-height: 1.4;
        }
        
        /* 广告位 */
        .advertisement {
            text-align: center;
            padding: 15px;
            background: #f9f9f9;
            border-radius: 6px;
            border: 1px dashed #ddd;
        }
        
        .ad-label {
            font-size: 0.8rem;
            color: #888;
            margin-bottom: 5px;
        }
        
        /* 底部 */
        .site-footer {
            background: #333;
            color: #aaa;
            padding: 40px 0 20px;
        }
        
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        
        .footer-column {
            flex: 1;
            min-width: 200px;
            margin-bottom: 20px;
            padding-right: 20px;
        }
        
        .footer-title {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #444;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 8px;
        }
        
        .footer-links a {
            color: #aaa;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .footer-bottom {
            width: 100%;
            text-align: center;
            padding-top: 20px;
            margin-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
        }
        
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: white;
            margin-bottom: 10px;
        }
        
        /* 修改：分类新闻样式 - 单图模式图片在左，标题在右 */
        .category-news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }
        
        .category-news-item {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .category-news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        /* 单图模式 - 图片在左，标题在右 */
        .single-image-news {
            display: flex;
            flex-direction: row;
            align-items: center;
            width: 100%;
        }
        
        .single-image-news .image-container {
            width: 150px;
            height: 100px;
            flex-shrink: 0;
        }
        
        .single-image-news .image {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .single-image-news .content {
            flex: 1;
            padding: 15px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .single-image-news .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        
        .single-image-news .news-meta {
            color: #666;
            font-size: 0.9rem;
        }
        
        /* 三图模式保持不变 */
        .three-images-news {
            display: block;
            width: 100%;
        }
        
        .three-images-content {
            padding: 15px 15px 10px;
        }
        
        .three-images-content .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .three-images-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 5px;
            padding: 0 15px 10px;
        }
        
        .three-images-container img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            border-radius: 4px;
        }
        
        .three-images-news .news-meta {
            padding: 0 15px 15px;
            color: #666;
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .main-nav {
                width: 100%;
                margin: 15px 0 10px;
            }
            
            .main-nav ul {
                justify-content: center;
            }
            
            .main-nav li {
                margin: 5px 2px;
            }
            
            .main-nav a {
                padding: 6px 8px;
                font-size: 0.9rem;
            }
            
            .content-primary {
                padding-right: 0;
            }
            
            .headline-image {
                height: 200px;
            }
            
            .headline-title {
                font-size: 1.2rem;
            }
            
            .footer-column {
                flex: 100%;
                padding-right: 0;
            }
            
            /* 移动端单图模式改为垂直布局 */
            .single-image-news {
                flex-direction: column;
            }
            
            .single-image-news .image-container {
                width: 100%;
                height: 150px;
            }
            
            .single-image-news .content {
                padding: 15px;
            }
            
            .three-images-container {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .three-images-container img {
                height: 100px;
            }
        }
        
        @media (max-width: 480px) {
            .main-nav ul {
                justify-content: space-between;
            }
            
            .main-nav li {
                margin: 2px 0;
            }
            
            .news-item {
                flex-direction: column;
            }
            
            .news-rank {
                margin-bottom: 5px;
            }
            
            .headline-image {
                height: 150px;
            }
            
            .headline-title {
                font-size: 1rem;
            }
            
            .single-image-news .image-container {
                height: 120px;
            }
            
            .three-images-container {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .three-images-container img {
                height: 80px;
            }
        }
        
        /* 百度收录优化样式 */
        .breadcrumb,
        .section-header,
        .news-title,
        .headline-title {
            word-wrap: break-word;
            overflow-wrap: break-word;
        }
        
        /* 避免百度转码的样式 */
        .article-content {
            -webkit-text-size-adjust: 100%;
        }
        
        /* 打印样式 */
        @media print {
            .site-header,
            .sidebar,
            .footer-bottom,
            .search-box,
            .main-nav {
                display: none;
            }
            
            .container {
                max-width: 100%;
            }
            
            body {
                font-size: 12pt;
                line-height: 1.5;
            }
        }
        
        /* 无障碍优化 */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        
        /* 焦点样式，提高可访问性 */
        a:focus,
        button:focus,
        input:focus {
            outline: 2px solid #1a73e8;
            outline-offset: 2px;
        }