1、安装 新媒体、易点 等第三方插件
2、使用代码模式
3、插入下面代码
<section style="height: 180px;overflow-x: hidden;overflow-y: auto;text-align: center;box-sizing: border-box;padding: 10px;border-width: 1px;border-style: solid;border-color: rgb(238, 238, 238);"> <section class="" style="border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;"> <p style="margin-bottom: 10px;white-space: normal;"> <br> </p> <p style="margin-bottom: 10px;white-space: normal;text-align: center;"> <strong style="font-size: 14px;caret-color: red;"><span style="font-size: 18px;"><span style="line-height: 22.4px;">答 案</span></span></strong> <br> </p> </section> </section> <center class="" style="box-sizing: border-box;text-align: center;"><svg width="100%" height="200" xmlns="http://www.w3.org/2000/svg" style="margin-top: -180px;box-sizing: border-box;transform: rotateZ(0deg);-webkit-transform: rotateZ(0deg);-moz-transform: rotateZ(0deg);-o-transform: rotateZ(0deg);"><rect width="100%" height="200" style="fill: #fefefe;box-sizing: border-box;"><animate attributeName="opacity" begin="click" dur="6s" style="box-sizing: border-box;" from="1" to="0" fill="freeze"></animate></rect></svg></center>