.mobile_menu_float {
  position: relative;

  .mobile_menu_float_box {
    // position: absolute;

    position: fixed; /* 定位为固定位置 */
    bottom: 100px; /* 距离底部20像素 */
    right: 25px; /* 距离右侧20像素 */

    .mobile_menu_float_box-bt {
      width: 44px;
      height: 44px;
      margin-bottom: 5px;

      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      align-content: center;

      border-radius: 50%; /* 圆形按钮 */
      background-color: #426BEB; /* 背景颜色 */
      color: white; /* 字体颜色 */
      border: none; /* 无边框 */

      z-index: 999; /* 确保按钮在最上层 */

      img {
        width: 21px;
        height: 18px;
      }
    }
  }

  a {
    text-decoration: none;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    -webkit-user-select: none;
    -moz-user-select: none;
  }

  a:visited {
    background-color: transparent;
  }
  a:active {
    background-color: transparent;
  }
}