/*youtube影片*/
.youtubecontent video{
 width: 100%!important;
}
.youtubecontent{
 position: relative;
 padding-top: 30px;
 height: 0;
 overflow: hidden;
}
.youtubecontent{
 padding-bottom: 56.25%;
}
.youtubecontent iframe,
.youtubecontent object,
.youtubecontent embed ,
.youtubecontent video {
 position: absolute;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
}
/*!youtube影片*/
.video-list {
    margin: 0 -10px;
}
.video-list .item {
    width: 33.33%;
    padding: 0 10px;
    margin-bottom: 40px;
}
.video-list .item:nth-child(3n+1) {
    clear: left;
}

@media screen and (max-width: 1200px) {
   
}
@media screen and (max-width: 1000px) {
    .video-list .item{
        margin-bottom: 20px;
    }
}
@media screen and (max-width: 840px) {
    .video-list {
        margin: 0 -7px;
    }
    .video-list .item {
        width: 50%;
        padding: 0 7px;
    }
    .video-list .item:nth-child(n) {
        clear: none;
    }
    .video-list .item:nth-child(2n+1) {
        clear: left;
    }
  
}
@media screen and (max-width: 767px) {
  
}
@media screen and (max-width: 560px) {
    .video-list .item {
        width: 100%;
    }
  
}