.pop-mask{position:fixed;width:100%;height:100%;background:rgba(0,0,0,0.9);top:0;left:0;z-index:999999;}
.pop-mask .pop-pic{width:0;height:0;position:absolute;left:0;right:0;top:0;bottom:0;margin:auto;transition:all .3s ease;transform:translate(-16px,21px);}
.pop-mask .pop-video{width:960px;height:540px;position:absolute;left:0;right:0;top:0;bottom:0;margin:auto;background:#fff;}
.pop-mask .pop-video iframe{width:100%;height:100%;}
.pop-mask .close{width:42px;height:42px;border-radius:50%;overflow:hidden;position:absolute;right:-32px;top:-42px;cursor:pointer;background:#fff;}
.pop-mask .close:before,
.pop-mask .close:after{content:"";display:block;width:30px;height:2px;background:#f00;position:absolute;left:6px;top:20px;}
.pop-mask .close:before{transform:rotateZ(45deg);}
.pop-mask .close:after{transform:rotateZ(-45deg);}

@media (max-width: 1200px){
	.pop-mask .pop-video{width:100%;height:56.3636vw;}
	.pop-mask .close{right:10px;top:-52px;}
}