.video-top {
    margin-top: 40px;
}
.video-contain {
    width: 840px;
    height: 490px;
    position: relative;
}
.video-desc {
    width: 320px;
    word-break: break-all;
}
.video-desc h2 {
    color: #424a5c;
    font-size: 20px;
    margin-bottom: 45px;
}
.video-desc p {
    font-size: 14px;
    color: #424a5c;
    line-height: 30px;
}
.video-desc-title {
    font-size: 16px;
}
.video-desc-title img{
    margin-top: 5px;
    margin-right: 7px;
}
.mt30 {
    margin-top: 30px;
}
.tag {
    margin-top: 10px;
}
.tag span{
    display: inline-block;
    height: 30px;
    line-height: 30px;
    padding: 0 10px;
    text-align: center;
    border: 1px solid #dcdcdc;
    border-radius: 15px;
    font-size: 14px;
    color: #6e6e6e;
    margin-bottom:10px
}
.share-item {
    margin-top: 15px;
}
.share-item img{
    margin-right: 15px;
}

.talk-teacher {
    margin-top: 40px;
    font-size: 18px;
    color: #424a5c;
    word-break: break-all;
}
.talk-teacher p{
    margin-top: 30px;
    font-size: 14px;
    text-indent: 30px;
    line-height: 30px;
}
/******视频推荐*******/
.video-list-item {
    margin-top: 40px;
}
.video-list-item.cur {
    display: block;
}
.video-list-item li{
    float: left;
    margin-right: 12px;
    margin-bottom: 30px;
}
.video-list-item li:nth-child(3n){
    margin-right: 0;
}
.video-list-item li p{
    float: left;
    font-size: 16px;
    color: #6e6e6e;
    margin-top: 20px;
    padding-left: 10px;
    width: 270px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.video-list-item li p:hover{
  color:#f00
}
.video-container {
    width: 272px;
    height: 192px;
    border-radius: 25px;
    overflow: hidden;
    position: relative;
}
.video-bg{
    width: 100%;
    height: 100%;
}
#aside {
    margin-top: 0;
}
/*******留学活动*******/
.ul-list {
    padding-top: 15px;
}
.ul-list li{
    width: 100%;
    padding-bottom: 16px;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.ul-list li.active{
    margin-bottom: 12px;
}
.ul-list li a{
    color: #7f7f7f;
}
.ul-list li p{
   height: 0;
   overflow: hidden;
   transition: all .3s;
}
.ul-list li.active p{
    height: 160px;
    margin-top: 10px;
}
.play-bg{
    width: 100%;
    height: 160px;
    border-radius: 25px;
}
.ul-list li span{
   padding:0 4px;
   border-radius: 50%;
   background: #8f8f8f;
   color: #fff;
   margin-right: 10px;
   position: relative;
   top: 1px;
}
.ul-list li:first-child span{
   background: #f00;
}
.ul-list li:first-child a{
   color: #f00;
}
.ul-list li:nth-child(2) span{
   background: #ff8400;
}
.ul-list li:nth-child(2) a{
   color: #ff8400;
}
.ul-list li:nth-child(3) span{
   background: #ffc704;
}
.ul-list li:nth-child(3) a{
   color: #ffc704;
}
.video-list-container {
    display: block;
    position: relative;
    height: 160px;
}
.bd_weixin_popup {
    box-sizing: content-box;
}