.iframe-container{position: relative;width:100%;height:0;padding-bottom: 56.25%;}
.iframe-container iframe{position:absolute;top:0;left: 0;width:100%;height:100%;min-height:inherit;}
.kche-t52 .kche-t52-list .kche-t52-item strong{color:#000 !important}
.kche-t52 .kche-t52-list .kche-t52-item .kche-t52-img{margin-bottom:10px;}
@media (max-width:768px){.kche-t52 .kche-t52-list .kche-t52-item{width:100%;}}