.sec__desc,.sec__title {
    font-family:PingFang SC;
    text-align:center;
    color:#000
}
.video_modal .video_close {
    cursor:pointer;
    width:1.5em;
    height:1.5em;
    position:absolute;
    right:2em;
    top:2em;
    transition:1.5s
}
.video_modal .video_close:after,.video_modal .video_close:before {
    content:'';
    position:absolute;
    left:0;
    right:0;
    top:0;
    bottom:0;
    margin:auto;
    width:.3em;
    height:1.5em;
    background:#fff
}
.video_modal .video_close:hover {
    transform:rotate(180deg)
}
.video_modal .video_close:before {
    transform:rotate(45deg)
}
.video_modal .video_close:after {
    transform:rotate(-45deg)
}
.d__sec {
    position:relative;
    display:flex;
    flex-direction:column;
    align-items:center;
    box-sizing:border-box
}
.s__bg {
    background-repeat:no-repeat;
    background-size:cover
}
.sec__title {
    font-size: .18rem;
    font-weight: 300;
    line-height:.76rem;
}
.sec__desc {
    font-size:.2rem;
    font-weight:500;
    line-height:.4rem
}