<blockquote class="success"><p><strong>冻结视口：</strong></p></blockquote> <blockquote class="info"> <p> <div style="position: relative; width: 100%; height: 0px; padding-bottom: 56.25%;"><div style="position: absolute; inset: 0px; width: 100%; height: 100%;"><iframe width="100%" height="100%" allow="autoplay" src="//player.bilibili.com/player.html?bvid=BV1yY4y137D4&amp;password=&amp;autoplay=false#www.kancloud.cn" name="iframeId" id="iframeId" frameborder="0" allowfullscreen="true" scrolling="no"></iframe></div></div> </p></blockquote> <blockquote class="danger"> <hr></blockquote>