.kefu{position:fixed;bottom:.48rem;right:.24rem;cursor:pointer;z-index:999}.kefu .kefu-in{display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;color:#fff;background-color:#1890ff;width:.52rem;height:.52rem;border-radius:50%}.kefu .kefu-in div{margin-top:.02rem}