* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: system-ui, -apple-system, "Microsoft YaHei", sans-serif;
    }
    body {
      text-align: center;
      padding: 80px 15px;
      color: #555;
      background: #fff;
    }
    /* 图标容器 */
    #icon {
      width: 100px;
      height: 100px;
      font-size: 100px;
      display: inline-block;
      margin-bottom: 20px;
    }
    #iconText {
      font-size: 22px;
      margin-bottom: 12px;
    }
    #subText {
      font-size: 14px;
      color: #999;
      margin-bottom: 60px;
      min-height: 20px;
    }
    /* 绿色跳转按钮 */
    .jump-btn {
      display: block;
      width: 100%;
      padding: 16px 0;
      background: #23b132;
      color: #fff;
      font-size: 20px;
      text-decoration: none;
      border-radius: 4px;
    }
    /* 版权 */
    .footer {
      margin-top: 120px;
      color: #999;
      font-size: 13px;
      line-height: 1.8;
    }
    #jcdiv {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 0;
      overflow: hidden;
    }