/* ===== 基础重置 ===== */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f5f5f5;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: #333; transition: color 0.3s; }
        a:hover { color: #e74c3c; }
        ul { list-style: none; }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* ===== 头部 ===== */
        .site-header {
            background: linear-gradient(135deg, #c0392b, #e74c3c);
            padding: 15px 0;
        }
        .site-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo h1 {
            font-size: 1.6rem;
            color: #fff;
            font-weight: 700;
        }
        .logo a { color: #fff; }
        
        /* 主导航 - 5个栏目 */
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
        }
        .main-nav a {
            color: #fff;
            padding: 8px 14px;
            border-radius: 4px;
            font-size: 0.95rem;
        }
        .main-nav a:hover { 
            background: rgba(255,255,255,0.2); 
        }
        
        /* ===== 主体布局 ===== */
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin: 20px auto;
        }
        
        /* 焦点图 */
        .focus-slider {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .focus-slider img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        
        /* 内容区块通用 */
        .section-block {
            background: #fff;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        .section-title {
            font-size: 1.15rem;
            color: #e74c3c;
            border-left: 4px solid #e74c3c;
            padding-left: 10px;
            margin-bottom: 15px;
        }
        
        /* 列表项 */
        .news-item {
            padding: 14px 0;
            border-bottom: 1px dashed #eee;
        }
        .news-item:last-child { border-bottom: none; }
        .news-item h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        /* 新增：内容简介样式 */
        .news-item .summary {
            font-size: 0.85rem;
            color: #666;
            line-height: 1.5;
            margin-bottom: 6px;
            /* 超出2行显示省略号 */
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            font-size: 0.8rem;
            color: #999;
        }
        .news-meta .views {
            color: #e74c3c;
            font-weight: 500;
        }
        
        /* 图片网格 */
        .image-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 12px;
        }
        .image-grid a {
            text-align: center;
            font-size: 0.8rem;
        }
        .image-grid img {
            height: 78px;
            width: 100%;
            object-fit: cover;
            border-radius: 4px;
            margin-bottom: 4px;
        }
        
        /* 侧边栏 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .widget {
            background: #fff;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        .widget-title {
            font-size: 1rem;
            color: #e74c3c;
            margin-bottom: 10px;
            padding-bottom: 8px;
            border-bottom: 2px solid #f0f0f0;
        }
        .widget li {
            padding: 8px 0;
            border-bottom: 1px dashed #f0f0f0;
            font-size: 0.85rem;
        }
        .widget li:last-child { border-bottom: none; }
        
        /* 底部 */
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 25px 0 15px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.8rem;
            line-height: 1.8;
        }
        .footer-links { margin-bottom: 10px; }
        .footer-links a {
            color: #bdc3c7;
            margin: 0 8px;
        }
        
        /* ===== 响应式断点 ===== */
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .site-header .container {
                flex-direction: column;
                text-align: center;
            }
            .logo { margin-bottom: 10px; }
            .main-nav { justify-content: center; }
            .focus-slider img { height: 180px; }
        }
        @media (max-width: 480px) {
            .image-grid { grid-template-columns: repeat(2, 1fr); }
            .main-nav a { font-size: 0.85rem; padding: 6px 8px; }
        }