*{margin:0;padding:0;box-sizing:border-box;}
 body{font-family:Arial,sans-serif;line-height:1.6;color:#333;}
 header{background:#f5f5f5;padding:15px 20px;border-bottom:1px solid #eee;}
 .header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;}
 .logo{font-size:20px;font-weight:bold;color:#2c3e50;}
 .nav a{margin-left:20px;text-decoration:none;color:#333;}
 .main-container{max-width:1200px;margin:20px auto;display:flex;gap:20px;padding:0 20px;}
 .news-content{flex:3;}
 .sidebar{flex:1;}
 .news-item{margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid #eee;}
 .news-item p{margin-bottom:10px;}
 .news-item ul{margin-left:20px;margin-bottom:10px;}
 .sidebar-title{font-size:18px;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #3498db;color:#2c3e50;}
 .related-news{list-style:none;}
 .related-news li{margin-bottom:15px;padding-bottom:10px;border-bottom:1px dashed #eee;}
 .related-news a{text-decoration:none;color:#3498db;}
 .related-news a:hover{text-decoration:underline;}
 footer{background:#2c3e50;color:#fff;padding:20px 0;margin-top:30px;}
 .footer-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;}
 .copyright{font-size:14px;}
 .contact{font-size:14px;}

/* 表格样式 */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background-color: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

table th,
table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

table th {
  background-color: #f8f9fa;
  color: #2c3e50;
  font-weight: bold;
}

table tr:last-child td {
  border-bottom: none;
}

table tr:hover {
  background-color: #f9f9f9;
  transition: background-color 0.2s ease;
}

/* 通用列表样式 */
ul {
  list-style-position: outside;
}

ul:not(.related-news) {
  padding-left: 25px;
}

ul:not(.related-news) li {
  margin-bottom: 8px;
  padding-left: 5px;
}

ul:not(.related-news) li::marker {
  color: #3498db;
  font-size: 1.2em;
}

/* 嵌套列表样式 */
ul ul {
  margin-top: 8px;
  margin-bottom: 8px;
}

ul ul li::marker {
  color: #2980b9;
}

/* 表格内列表样式 */
table ul {
  margin: 0;
  padding-left: 20px;
}

table ul li {
  margin-bottom: 4px;
}