/*视频列表*/
.video-list{
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    margin: 0 -2rem;
}
.video-item{
}
.video-item > .thumb{
    position: relative;
}
.video-item > .thumb img{
    width: 100%;
    height: auto;
}
.video-item > .thumb > i{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    width: 5rem;
    height: 5rem;
    background: url("../images/play.png") no-repeat center center / 5rem 5rem;
}
.video-item p{
    line-height: 5rem;
    padding: 0 2rem;
}
@media (min-width: 1200px) {
    .video-list li{
        width: 25%;
    }
}
@media (max-width: 1200px) {
    .video-list li{
        width: 50%;
    }
}
@media (max-width: 768px) {
    .video-list{
        margin: 0 -1rem;
    }
    .video-list li{
        width: 100%;
        padding: 1rem;
    }
}


.modal > .body{
    max-width: 120rem;
    padding-top: 8rem;
}
.modal > .body > .video{
    position: relative;
}
.modal > .body > .video > video{
    width: 100%;
    outline: none;
}
.modal > .body > .video > i{
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    transform: translate(-50%, -50%);
    display: block;
    width: 5rem;
    height: 5rem;
    background: url("../images/play.png") no-repeat center center / 5rem 5rem;
}
.modal > .body > dl{
}
.modal > .body > dl dt,
.modal > .body > dl dd{
    padding-top: 2rem;
}
.modal > .body > dl dt{
    font-size: 2rem;
}
.modal > .body > dl dd{
    font-size: 1.6rem;
}