body {
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
}
.bgContainer {
    position: absolute;
    top: 0;
    left: 0;
    height: 900px;
    min-width:1920px;
    /*min-height:900px;*/
    text-align:center;
}
#video, #videoStatic {
    /*max-height: 900px;
    max-width: 1920px;
    object-fit: fill;*/ /*页面自适应过程中缩放比例*/
    /*margin: auto;*/
    height: 100%;
    width: 100%;
    position: fixed;
    object-fit: fill;
    margin: auto;
}

.Ziyuan,.Zhengwu 
 {
    position: absolute;
    z-index: 99;
    cursor: pointer;
    width:145px;
    height:146px;
    /*border: 1px solid red;*/
}