.content video{
    display: block;
    max-width: 90%;
    height: auto;
    margin: 0 auto;}
.sydw{
    margin-right: 10px;
    margin-top: 5px;}
.sydw img{
    width:0.52rem;}
@media screen and (max-width: 1024px) {
    .sydw{
        float: none;
        display: block;
        margin-top: .2rem;}
    .sydw img{
        float: none;
        display: block;
        margin:0 auto;}
}