ss="layui-btn" data-type="unGray">取消好友置灰</button>
  
  <button class="layui-btn" data-type="kefu1">在线客服一</button>
  <button class="layui-btn" data-type="kefu2">在线客服二</button>
  
  <button class="layui-btn" data-type="mobile">移动端版本</button>
</div>