*{margin:0;padding:0;box-sizing:border-box;font-family:system-ui,-apple-system,sans-serif}
        :root{--c1:#1a6dff;--c2:#f5f7fa;--c3:#333;--c4:#666;--c5:#eee}
        body{background:#f9fafc;color:var(--c3);line-height:1.6}
        .w{max-width:1200px;margin:0 auto;padding:0 20px}
        
        /* 头部 */
        header{background:#fff;border-bottom:1px solid var(--c5);position:sticky;top:0}
        .hdr{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
        .logo{display:flex;align-items:center;gap:8px;text-decoration:none}
        .logo h1{font-size:20px;font-weight:700;color:var(--c1)}
        .nav{display:flex;gap:20px}
        .nav a{color:var(--c3);text-decoration:none;font-size:14px}
        .nav a:hover{color:var(--c1)}
        .search{display:flex;align-items:center;background:var(--c2);border-radius:4px;padding:6px 10px;width:200px}
        .search input{border:none;background:0;outline:0;width:100%;padding-left:5px;font-size:14px}
        
        /* 焦点新闻 */
        .featured{background:#fff;border-radius:8px;margin:20px 0;overflow:hidden}
        .f-img{height:300px;background:linear-gradient(rgba(0,0,0,.3),rgba(0,0,0,.3)),url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="300"><rect width="800" height="300" fill="%231a6dff"/></svg>');background-size:cover;display:flex;align-items:flex-end;padding:20px}
        .f-content{color:#fff}
        .f-tag{background:#ff6b35;color:#fff;padding:4px 10px;border-radius:4px;font-size:12px;font-weight:600;display:inline-block;margin-bottom:10px}
        .f-title{font-size:24px;font-weight:700;line-height:1.3;margin-bottom:8px}
        .f-meta{display:flex;gap:15px;font-size:12px;opacity:.9}
        
        /* 新闻模块 */
        .modules{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:20px 0}
        .module{background:#fff;border-radius:8px;padding:20px}
        .m-hdr{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid var(--c5)}
        .m-title{font-size:18px;font-weight:700;color:var(--c3)}
        .view{color:var(--c1);text-decoration:none;font-size:12px}
        .news-list{list-style:none}
        .news-item{padding:10px 0;border-bottom:1px dashed var(--c5);display:flex;justify-content:space-between}
        .news-item:last-child{border:none}
        .news-content{flex:1}
        .news-title{font-size:12px;font-weight:600;margin-bottom:4px;display:block;color:var(--c3);text-decoration:none}
        .news-title:hover{color:var(--c1)}
        .news-meta{display:flex;gap:10px;font-size:12px;color:var(--c4)}
        .news-hot{color:#ff6b35;font-weight:600;font-size:11px}
        .news-img{width:60px;height:45px;border-radius:4px;background:var(--c2);margin-left:10px}
        
        /* 侧边栏 */
        .sidebar{display:flex;flex-direction:column;gap:20px}
        .widget{background:#fff;border-radius:8px;padding:20px}
        .w-title{font-size:16px;font-weight:700;margin-bottom:15px;padding-bottom:8px;border-bottom:1px solid var(--c5)}
        .trend-list{list-style:none}
        .trend-item{display:flex;margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--c5)}
        .trend-item:last-child{border:none;margin:0;padding:0}
        .trend-rank{display:flex;align-items:center;justify-content:center;width:20px;height:20px;background:var(--c2);border-radius:4px;font-size:11px;font-weight:700;margin-right:8px;flex-shrink:0}
        .trend-rank.top{background:#ff6b35;color:#fff}
        
        /* 页脚 */
        footer{background:#1a1f36;color:#b0b7c3;padding:30px 0 15px;margin-top:30px}
        .footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:20px}
        .footer-col h3{color:#fff;font-size:16px;margin-bottom:15px}
        .footer-links{list-style:none}
        .footer-links li{margin-bottom:8px}
        .footer-links a{color:#b0b7c3;text-decoration:none;font-size:13px}
        .copyright{text-align:center;padding-top:15px;border-top:1px solid #2a3142;font-size:12px}
        
        /* 布局 */
        .main{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin:20px 0 30px}
        
        /* 响应式 */
        @media (max-width:1024px){
            .main,.modules{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:768px){
            .nav,.search{display:none}
            .f-img{height:200px;padding:15px}
            .f-title{font-size:20px}
            .footer-grid{grid-template-columns:1fr}
        }
        @media (max-width:480px){
            .w{padding:0 15px}
            .module{padding:15px}
            .f-title{font-size:18px}
            .m-title{font-size:16px}
        }