  /* 移动端 */
    @media screen and (max-width: 768px) {
      .layui-layout-admin .layui-layout-left,
      .layui-layout-admin .layui-body,
      .layui-layout-admin .layui-footer{left: 0;}
      .layui-layout-admin .layui-side{left: -300px;}
    }