/* 全局样式重置与基础设置 */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      touch-action: manipulation;
    }
    body {
      font-family: sans-serif;
      background-color: #f8f8f8;
      color: #333;
      padding-bottom: 20px;
      scroll-behavior: smooth;
      padding-top: 110px; /* 预留固定元素空间 */
    }
    /* 固定定位的头部容器 */
	
	
	    body2 {
      font-family: sans-serif;
      background-color: #f8f8f8;
      color: #333;
      padding-bottom: 20px;
      scroll-behavior: smooth;
      padding-top: 60px; /* 预留固定元素空间 */
    }
    /* 固定定位的头部容器 */
	
	
    .fixed-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: white;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
      z-index: 200;
      display: flex;
      flex-direction: column;
    }
    /* 标题区域容器，用于布局标题和返回按钮 */
    .header-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 10px;
    }
    /* 返回首页按钮样式 - 替换为本地图片 */
    .back-to-home {
      width: 27px;
      height: 27px;
      background-image: url('/images/goback.png'); /* 请替换为实际本地图片路径 */
      background-size: contain;
      background-repeat: no-repeat;
      background-position: center;
      cursor: pointer;
      border: none;
      background-color: transparent;
    }
    /* 标题样式 - 修改：将标题居中显示 */
    .title {
      font-size: 17px;
      font-weight: bold;
      text-align: center;
      color: #333;
      /* 新增：使标题在flex布局中居中 */
      flex: 1;
      margin: 0 20px;
    }
    /* 搜索栏样式 */
    .search-bar {
      display: flex;
      align-items: center;
      margin: 0 10px 15px;
      padding: 0 10px;
      background-color: white;
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    .search-bar input {
      flex: 1;
      height: 40px;
      padding: 0 12px;
      border: 1px solid #ccc;
      border-radius: 4px 0 0 4px;
      font-size: 16px;
      outline: none;
    }
    .search-bar button {
      height: 40px;
      padding: 0 15px;
      border: 1px solid #ccc;
      border-radius: 0 4px 4px 0;
      background-color: #4CAF50;
      color: white;
      font-size: 16px;
      cursor: pointer;
      transition: background-color 0.3s;
    }
    .search-bar button:hover {
      background-color: #45a049;
    }
    /* 容器限制宽度并居中 */
    .container {
      max-width: 600px;
      margin: 0 auto;
      padding: 10px;
    }
    /* 栏目样式 */
    .letter-section {
      margin-bottom: 15px;
      background-color: white;
      border-radius: 6px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
      overflow: hidden;
    }
    .letter-section .letter-title {
      background-color: #f1f1f1;
      padding: 10px 15px;
      font-weight: bold;
      border-bottom: 1px solid #eee;
    }
    .letter-section ul {
      list-style: none;
      padding: 10px 15px;
    }
    .letter-section li {
      margin: 8px 0;
      padding: 8px 0;
      border-bottom: 1px solid #f5f5f5;
      cursor: pointer;
      transition: background-color 0.2s;
    }
    .letter-section li:last-child {
      border-bottom: none;
    }
    .letter-section li:hover {
      background-color: #f9f9f9;
    }
    /* 右侧字母导航样式 - 优化高度 */
    .side-letters {
      position: fixed;
      top: 60%;
      right: 5px;
      transform: translateY(-50%);
      width: 22px;
      text-align: center;
      border-radius: 4px;
      z-index: 100;
      user-select: none;
      transition: all 0.3s;
    }
    .side-letters:hover {
    }
    .side-letters a {
      display: block;
      text-decoration: none;
      color: #333;
      width: 20px;
      height: 20px;
      margin: 0.5px auto;
      border-radius: 50%;
      line-height: 20px;
      font-size: 12px;
      transition: all 0.2s;
    }
    .side-letters a:hover,
    .side-letters a.active {
      background-color: #2196F3;
      color: white;
    }
    /* 滑动指示器样式 */
    .scroll-indicator {
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: rgba(0, 0, 0, 0.7);
      color: white;
      width: 80px;
      height: 80px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      opacity: 0;
      transition: opacity 0.2s;
      pointer-events: none;
      z-index: 200;
    }
    .scroll-indicator.active {
      opacity: 1;
    }
    /* 搜索结果样式 */
    .search-results {
      margin-top: 15px;
      background-color: white;
      border-radius: 6px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
      padding: 15px;
      display: none;
    }
    .search-results h3 {
      margin-bottom: 10px;
    }
    .search-results ul {
      list-style: none;
    }
    .search-results li {
      margin: 8px 0;
      padding: 8px 0;
      border-bottom: 1px solid #f5f5f5;
    }
    .search-results li:last-child {
      border-bottom: none;
    }
    .no-results {
      color: #888;
      font-style: italic;
    }