.VideoList_a1 ul li{width: 47.5%;margin-right: 5%;margin-bottom: 2.6vw; float: left;border-bottom: 2px solid #014fa1;position: relative;}
.VideoList_a1 ul li:nth-child(2n){margin-right: 0;}
.VideoList_a1 ul li span{line-height: 1.5;padding: 0.6vw 1.5vw;display: block;box-sizing:border-box;color: #4b4b4b;
text-align: center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display: block;}
.VideoList_a1 ul li em,.VideoList_a1 ul li img{display: block;}
.VideoList_a1 ul li img{position: absolute;top: 50%;min-height: 100%;width: 100%;opacity: 1;
    transition:.8s all ease;-ms-transition:.8s all ease;-webkit-transition:.8s all ease;
left: 50%; transform:  translate(-50%, -50%);-webkit-transform: translate(-50%, -50%);}
.VideoList_a1 ul li em{
    /*height: 17.5vw;*/
position: relative;overflow: hidden;margin-bottom: 0.8vw;
    /*background: #000;*/
}
.VideoList_a1 li em:after,.VideoList_a1 li em:before,.VideoList_a1 li a:after{content: "";display: block;position: absolute;left: 50%;top: 50%;width: 5.2vw;height: 5.2vw;
background-repeat: no-repeat;background-position: center;opacity: 0;
    transition:.4s all ease;-ms-transition:.4s all ease;-webkit-transition:.4s all ease;}
/*.VideoList_a1 li em:after{background-image: url(../img/logo1.png);z-index: 1;width: 7.5vw;background-size: 100% auto;opacity: 1;*/
/*     transform:  translate(-50%, -50%);-webkit-transform: translate(-50%, -50%);-ms-transform: translate(-50%, -50%);}*/
         .VideoList_a1 li em:before{background-image: url(../img/playq.png);background-size: 100% 100%;z-index: 1;top: -100%;}/*  */
@media screen and (min-width: 1024px){
    .VideoList_a1 ul li:hover img{transform: scale(1.08)  translate(-46%, -46%);-webkit-transform: scale(1.08) translate(-46%, -46%);}
    .VideoList_a1 li em:after,.VideoList_a1 li em:before{ transform:  translate(-50%, -50%);-webkit-transform: translate(-50%, -50%);}
    .VideoList_a1 li a:hover em:after{top: 100%;opacity: 0;}
    .VideoList_a1 li a:hover em:before{opacity: 1;top: 50%;}
}
@media screen and (max-width: 1024px){
    /*.VideoList_a1 ul li em{height: 22.1vw;}*/
}
@media screen and (max-width: 640px){
    
    .VideoList_a1 .flex{display: unset;}
    .VideoList_a1 li em:after{display: none;}
    .VideoList_a1 li em:before{opacity: 1;top: 50%;left: 50%; width: 15vw;height: 15vw;-webkit-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);}
    .VideoList_a1 ul li{width: 100%;margin-right: 0;margin-bottom: 6vw;border-bottom-width: 1px;}
    .VideoList_a1 ul li:nth-child(3n){margin-right: 0;}
    /*.VideoList_a1 ul li em{height: 50vw;}*/
    .VideoList_a1 ul li span{padding: 2vw 1vw;}
    .VideoList_a1 li em:after{height: 13vw;width: 13vw;}

}