/**组件**/
@media screen and (max-width: 1920px) {
.s3-left .video{width: 100%; min-height: 437px; object-fit:fill;}
}

@media screen and (max-width: 1399px) {
.s3-left .video{ min-height: 415px;}
}
@media screen and (max-width: 1350px) {
.s3-left .video{ min-height:399px;}
}
@media screen and (max-width: 1300px) {
.s3-left .video{ min-height:385px;}
}
@media screen and (max-width: 1250px) {
.s3-left .video{ min-height:370px;}
}
@media screen and (max-width: 1200px) {
.s3-left .video{ min-height:355px;}
}
@media screen and (max-width: 1150px) {
.s3-left .video{ min-height:340px;}
}
@media screen and (max-width: 1100px) {
.s3-left .video{ min-height:325px;}
}

@media screen and (max-width: 1050px) {
.s3-left .video{ min-height:310px;}
}

@media screen and (max-width: 1000px) {
.s3-left .video{ min-height:295px;}
}
@media screen and (max-width: 950px) {
.s3-left .video{ min-height:280px;}
}
@media screen and (max-width: 900px) {
.s3-left .video{ min-height:265px;}
}
@media screen and (max-width: 850px) {
.s3-left .video{ min-height:250px;}
}
@media screen and (max-width: 800px) {
.s3-left .video{ min-height:235px;}
}

@media screen and (max-width: 768px) {
.s3-left .video{ min-height:auto;}
}