* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", Arial, sans-serif;
        }
        body {
            background-color: #f5f5f5;
        }
        .header {
            background-color: #ff4400;
            height: 60px;
            padding: 0 10%;
        }
        .logo {
            float: left;
            height: 60px;
            line-height: 60px;
            color: white;
            font-size: 24px;
            font-weight: bold;
        }
        .nav {
            float: right;
        }
        .nav ul {
            list-style: none;
        }
        .nav li {
            float: left;
            padding: 0 15px;
            line-height: 60px;
        }
        .nav a {
            color: white;
            text-decoration: none;
            font-size: 16px;
        }
        .container {
            width: 80%;
            margin: 20px auto;
            overflow: hidden;
        }
        .main-news {
            width: 65%;
            float: left;
        }
        .sidebar {
            width: 33%;
            float: right;
        }
        .news-block {
            background-color: white;
            margin-bottom: 20px;
            padding: 15px;
            border-radius: 4px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        .news-title {
            font-size: 18px;
            color: #333;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .news-item {
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item a {
            color: #333;
            text-decoration: none;
        }
        .news-item a:hover {
            color: #ff4400;
        }
        .footer {
            clear: both;
            background-color: #333;
            color: #999;
            text-align: center;
            padding: 20px 0;
            margin-top: 30px;
        }