<style>
 #temp-video-cover {
 display: none;
 position: fixed;
 top: 0;
 bottom: 0;
 right: 0;
 left: 0;
 z-index: 11;
 background-color: rgba(0, 0, 0, 0.3);
 transition: .15s;
 opacity: 0;
 font-family: "微软雅黑", "PingFangSC", "Helvetica neue", "Hiragino sans gb", "Arial", "Microsoft YaHei UI", "Microsoft YaHei", "SimSun", "sans-serif";
 user-select: none;
 -ms-user-select: none;
 }


 #temp-video-container {
 position: absolute;
 top: 50%;
 left: 50%;
 transform: translate(-50%, -50%);
 z-index: 1;
 }

 #temp-video-title {
 position: absolute;
 opacity: 0;
 right: 10px;
 top: 0px;
 transition: .15s;
 }

 #temp-video-container:hover #temp-video-title {
 display: inline;
 opacity: 1;
 top: 10px;
 }

 .FUI-dialog-header {
 position: relative;
 display: flex;
 align-items: center;
 padding: 0.5rem 0.8rem 0.5rem 1rem;
 background-color: rgb(0, 135, 205);
 border-color: rgb(0, 135, 205);
 }

 .FUI-dialog-header-title {
 font-size: 1rem;
 word-break: keep-all;
 text-overflow: ellipsis;
 overflow: hidden;
 white-space: nowrap;
 flex-grow: 1;
 color: white;
 }

 .FUI-dialog-header-close {
 width: 1.25rem;
 height: 1.25rem;
 font-size: 0.8rem;
 line-height: 1.25rem;
 border-radius: 0.9rem;
 color: #0088CE;
 text-align: center;
 transition: background-color 0.5s;
 cursor: pointer;
 background-color: #2FB8FF;
 }

 .FUI-dialog-header-close:hover {
 cursor: pointer;
 background-color: #6ACCFF;
 }

 .FUI-dialog-content {
 position: relative;
 flex-grow: 1;
 background-color: rgb(0, 135, 205);
 font-size: 0;
 }

 .FUI-dialog-footer {
 position: relative;
 height: 3rem;
 min-height: 3rem;
 display: flex;
 flex-direction: row-reverse;
 align-items: center;
 padding: 0.5rem;
 background-color: #F0F0F0;
 }

 .FUI-button-svg {
 display: inline-block;
 }

 #speed-box {
 background-color: #070707;
 border-color: #070707;
 color: #8B8B8B;
 display: flex;
 justify-content: flex-end;
 height: 2rem;
 align-items: center;
 font-weight: 200;
 }

 .speed-box-header {
 font-size: 0.9rem;
 cursor: default;
 }

 .speed-box-content {
 display: flex;
 font-size: 0.7rem;
 }

 .speed-box-content>div {
 width: 2.7rem;
 height: 1.2rem;
 background-color: #373737;
 margin: 0 0.5rem;
 text-align: center;
 line-height: 1.2rem;
 border-radius: 0.6rem;
 cursor: pointer;
 }

 .speed-box-content>div:hover {
 background-color: #555555;
 color: #FFFFFF;
 }

 .speed-box-content .speed-box-selected {
 background-color: #767676;
 color: #FFFFFF;
 }

 .speed-box-content .speed-box-selected:hover {
 background-color: #767676;
 }
</style>
<div style="text-align:right;">
 <a title="观看本节视频" href="javascript:showVideo();" style="text-decoration:none;">
 <img src="https://help.grapecity.com.cn/download/attachments/46173032/VideoPortal.png?api=v2" />
 </a>
</div>

<div id="temp-video-cover">
 <div id="temp-video-container">
 <div class="FUI-dialog-header">
 <span class="FUI-dialog-header-title">活字格视频</span>
 <div class="FUI-dialog-header-close" id="FUI-dialog-close" title="" onclick="closeVideo()">
 <span class="FUI-button-svg"></span><span class="FUI-button-text">&#10005;</span></div>
 </div>

 <div class="FUI-dialog-content">
 <div style="overflow:hidden;">
 <video id="temp-video" src="http://video1.grapecity.com.cn/HuoZiGe/Tutorials/v5.0/教学视频/单元格类型-图片上传.mp4"
 height="450" controls="controls" onplaying="startplay()">您的浏览器不支持播放此视频。</video>
 </div>
 </div>
 <div id="speed-box">
 <div class="speed-box-header">
 <div>倍速：</div>
 </div>
 <div class="speed-box-content">
 <div>0.5X</div>
 <div class="speed-box-selected">1.0X</div>
 <div>1.25X</div>
 <div>1.5X</div>
 <div>2.0X</div>
 </div>
 </div>
 </div>
</div>

<script>
 var videoContainer = document.getElementById("temp-video-container");
 var videoCover = document.getElementById("temp-video-cover");
 var video = document.getElementById("temp-video");

 function showVideo() {
 videoCover.style.display = "block";
 setTimeout(function () {
 videoCover.style.opacity = 1;
 video.play();
 }, 200);
 }

 function closeVideo() {
 videoCover.style.opacity = 0;
 setTimeout(function () {
 videoCover.style.display = "none";
 video.pause();
 }, 150);
 return false;
 }

 function setPlaySpeed(item) {
 video.playbackRate = parseFloat(item.textContent);
 document.getElementsByClassName("speed-box-selected")[0].classList.remove("speed-box-selected");
 item.classList.add("speed-box-selected");
 }

 var isplayed = 1;
 var startplay = function () {
 if (isplayed) {
 ga('send', 'event', 'Play Video', '活字格');
 isplayed = 0;
 }
 return false;
 }

 videoCover.onclick = function (e) {
 if (e.target.nodeName === "A") {
 closeVideo();
 }
 }

 document.querySelectorAll("#speed-box .speed-box-content>div").forEach((item) => {
 item.addEventListener('click', () => { setPlaySpeed(item) });
 });

</script>