* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
        }
        
        .header {
            background-color: #c00;
            height: 80px;
            padding: 0 10%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            height: 50px;
        }
        
        .nav {
            display: flex;
            list-style: none;
        }
        
        .nav li {
            margin-left: 20px;
        }
        
        .nav a {
            color: white;
            text-decoration: none;
            font-size: 16px;
        }
        
        .container {
            width: 80%;
            margin: 20px auto;
            display: flex;
        }
        
        .main-content {
            flex: 3;
            margin-right: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        
        .news-column {
            width: 48%;
            margin-bottom: 20px;
        }
        
        .sidebar {
            flex: 1;
        }
        
        .news-card {
            background-color: white;
            margin-bottom: 20px;
            padding: 15px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        
        .news-card h2 {
            color: #c00;
            margin-bottom: 10px;
            border-bottom: 1px solid #eee;
            padding-bottom: 10px;
            font-size: 18px;
        }
        
        .news-list li {
            list-style: none;
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
            font-size: 14px;
        }
        
        .news-list li a {
            color: #333;
            text-decoration: none;
            line-height: 1.5;
        }
        
        .news-list li a:hover {
            color: #c00;
        }
        
        .footer {
            background-color: #333;
            color: white;
            text-align: center;
            padding: 20px;
            margin-top: 30px;
        }