:root {
      --chsi-blue: #005599;
      --chsi-green: #009966;
      --chsi-light-bg: #f5f7fa;
      --text-dark: #333;
      --border-color: #ddd;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: "Microsoft YaHei", sans-serif; line-height: 1.6; color: var(--text-dark); background-color: var(--chsi-light-bg); }
    
    /* --- 头部样式 --- */
    header { 
      background-color: var(--chsi-blue); 
      color: white; 
      padding: 1rem 0; 
      box-shadow: 0 2px 5px rgba(0,0,0,0.1); 
      position: relative; /* 为绝对定位提供参考 */
    }
    
    .container { 
      max-width: 1200px; 
      margin: 0 auto; 
      padding: 0 1rem; 
      display: flex; 
      justify-content: space-between; 
      align-items: center; 
    }

    .header-left {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .logo { 
      font-size: 1.5rem; 
      font-weight: bold; 
      white-space: nowrap; 
    }
    
    .menu-toggle { 
      display: none; /* 默认隐藏 */
      font-size: 1.8rem; 
      cursor: pointer; 
      color: white;
      padding: 0.5rem;
      z-index: 1001; /* 保证按钮层级高于菜单 */
    }

    nav ul { 
      display: flex; 
      list-style: none; 
      gap: 2rem; 
    }
    nav a { color: white; text-decoration: none; font-weight: 500; transition: opacity 0.3s; }
    nav a:hover { opacity: 0.8; }

    /* --- 主体样式 --- */
    main { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
    
    .countdown-section { text-align: center; padding: 2rem; background: white; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 2rem; }
    .countdown-title { color: var(--chsi-blue); margin-bottom: 1rem; }
    .countdown-display { font-size: 3rem; font-weight: bold; color: var(--chsi-green); margin: 1rem 0; }
    
    .intro-text { max-width: 800px; margin: 0 auto 2rem; padding: 1.5rem; background: white; border-radius: 8px; border-left: 4px solid var(--chsi-green); }

    /* 文章板块样式 */
    .article-sections { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 3rem; }
    @media (min-width: 768px) { .article-sections { grid-template-columns: 1fr 1fr; } }
    
    .article-block { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
    .article-block h2 { color: var(--chsi-blue); border-bottom: 2px solid var(--chsi-green); padding-bottom: 0.5rem; margin-bottom: 1rem; }
    
    .article-list { list-style: none; }
    .article-list li { padding: 0.5rem 0; border-bottom: 1px dashed var(--border-color); }
    .article-list li:last-child { border-bottom: none; }
    .article-list a { text-decoration: none; color: var(--text-dark); display: block; }
    .article-list a:hover { color: var(--chsi-green); padding-left: 0.5rem; }



    .list-container { background: white; padding: 2rem; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
    .list-container h1 { color: var(--chsi-blue); margin-bottom: 1.5rem; border-bottom: 2px solid var(--chsi-green); display: inline-block; padding-bottom: 0.5rem; }
    
/* 文章列表样式 */
    .article-list { list-style: none; }
    .article-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 0;
      border-bottom: 1px solid var(--border-color);
    }
    .article-item:last-child { border-bottom: none; }
    .article-title {
      text-decoration: none;
      color: var(--text-dark);
      font-size: 1.1rem;
      flex: 1;
      transition: color 0.3s;
    }
    .article-title:hover { color: var(--chsi-green); }
    .article-date {
      color: var(--text-light);
      font-size: 0.9rem;
      white-space: nowrap;
      margin-left: 1rem;
    }

    /* 分页样式 */
    .pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 0.5rem;
      margin-top: 2rem;
    }
    .pagination a, .pagination span {
      display: inline-block;
      padding: 0.5rem 0.75rem;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      text-decoration: none;
      color: var(--text-dark);
      transition: all 0.3s;
    }
    .pagination a:hover {
      background-color: var(--chsi-blue);
      color: white;
      border-color: var(--chsi-blue);
    }
    .pagination .current {
      background-color: var(--chsi-green);
      color: white;
      border-color: var(--chsi-green);
      font-weight: bold;
    }
    .pagination .disabled {
      color: #ccc;
      cursor: not-allowed;
    }
    .pagination .disabled:hover {
      background-color: transparent;
      border-color: var(--border-color);
      color: #ccc;
    }



    .article-detail { background: white; padding: 2rem; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
    .article-detail h1 { color: var(--chsi-blue); margin-bottom: 1rem; line-height: 1.4; }
    .article-meta { color: #666; font-size: 0.9rem; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid #eee; }
    .article-content { font-size: 1.1rem; color: #444; }
    .article-content p { margin-bottom: 1rem; }
    
    .back-link { display: inline-block; margin-bottom: 1rem; color: var(--chsi-blue); text-decoration: none; font-weight: bold; }
    .back-link:hover { color: var(--chsi-green); }

  
    .detail { text-align: left;}
    .detail img{max-width: 90%;height: auto;width: auto\9;}

    .zke { color: #999999; text-decoration: none;  }
    .zk0 { color: #ffffff; text-decoration: none;  }
    .zk1 { color: #009966; text-decoration: none;  }
    .zk2 { color: #0b76a2; text-decoration: none; font-size: 12px; }

    /* --- 底部 --- */
    footer { background-color: #2c3e50; color: white; padding: 2rem 0 1rem; text-align: center; }
    .footer-links { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
    .footer-links a { color: #ecf0f1; text-decoration: none; }
    .footer-links a:hover { text-decoration: underline; }
    .copyright { font-size: 0.9rem; color: #999; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1rem; }

    /* --- 响应式与折叠菜单 --- */
    @media (max-width: 768px) {
      /* 1. 默认状态：隐藏菜单 */
      nav ul {
        display: none; 
        
        /* 2. 绝对定位：跳出文档流，不影响下方内容 */
        position: absolute; 
        top: 100%; 
        left: 0;
        width: 100%; 
        
        /* 3. 垂直排列样式 */
        flex-direction: column;
        background-color: var(--chsi-blue); 
        box-shadow: 0 4px 8px rgba(0,0,0,0.2); 
        padding: 1rem 0;
        gap: 0;
        z-index: 1000; 
      }

      nav li { 
        width: 100%; 
        text-align: center; 
        border-top: 1px solid rgba(255,255,255,0.1); 
      }
      nav a { 
        display: block; 
        padding: 1rem; 
      }

      /* 4. 激活状态：显示菜单 (关键修复点) */
      nav ul.show {
        display: flex; /* 强制覆盖上面的 display: none */
      }
		
		

  .article-date {
    display: none;
  }

    }