.video-list {
    margin: 0 -10px;
}
.video-list .item {
    width: 33.33%;
    padding: 0 10px;
}
.video-list .item:nth-child(3n+1) {
    clear: left;
}
.video-list .box {
    max-width: 330px;
    margin: 0 auto 0px;
    position: relative;
}
.video-list .box.new .pic-box:before {
    content: '';
    display: block;
    background: url('../../images/common/products/new_tag.png') no-repeat;
    width: 48px;
    height: 48px;
    position: absolute;
    z-index: 10;
    left: 0;
    bottom: 0;
}
.video-list .pic-box {
    position: relative;
    overflow: hidden;
}
.video-list .pic {
    display: block;
    position: relative;
    overflow: hidden;
}


.video-list .txt {
    padding: 10px 25px 10px 0;
    width: 90%;
    box-sizing: border-box;
    position: relative;
    margin-top: 0;
    background:#fff; 
    transition: all .3s ease;
}
.video-list .name {
    color: #000000;
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 32px;
    box-sizing: border-box;
}
.video-list .namebox{
     position: relative;
    padding:10px 15px;
    border-bottom: solid 1px #E6E7E7;
}
.video-list .namebox:after{
    transition: all .3s ease;
    content: '';
    display: block;
    width: 90px;
    height: 1px;
    position: absolute;
    bottom: -1px;
    left: 0;
    background: #00B0EC;
}

.video-list .description {
    color: #717070;
    font-size: 14px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 55px;
    margin-top: 20px;
    padding:0 15px;
    transition: all .3s ease;
    opacity: 0;
}
.video-list .box:hover .namebox:after{
    width: 100%;

}
.video-list .box:hover .txt{
    margin-top: -62px;
    box-shadow: 15px 15px 20px rgba(0,0,0,0.12);
}
.video-list .box:hover .description {
    opacity: 1;
}
.video-header {
    display: table;
    width: 100%;
    table-layout: fixed;
    margin-bottom: 32px;
}
.video-header .title {
    display: table-cell;
    vertical-align: middle;
    padding-left: 15px;
    color: #444;
    font-size: 23px;
    font-weight: bold;
    margin: 0;
}
.video-detail {
    padding-bottom: 20px;
}
iframe{
 width: 100%!important;
}
.youtubecontent{
 position: relative;
 padding-top: 30px;
 height: 0;
 overflow: hidden;
 margin-bottom: 15px;
}
.youtubecontent{
 padding-bottom: 56.25%;
}
.youtubecontent iframe,
.youtubecontent object,
.youtubecontent embed {
 position: absolute;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
}
@media screen and (max-width: 1440px) {
    .video-list {
        margin: 0 -7px;
    }
    .video-list .item {
        padding: 0 7px;
    }
}
@media screen and (max-width: 1320px) {
    .video-list .item {
        width: 33.33%;
    }
    .video-list .item:nth-child(4n+1) {
        clear: none;
    }
    .video-list .item:nth-child(3n+1) {
        clear: left;
    }
}
@media screen and (max-width: 1000px) {
    .video-list .description{
        opacity: 1;
    }
    .video-list .box:hover .txt{
        margin-top: 0;
    }
    .video-list .txt{
        width: 100%;

    }
    .video-header .title{
        font-size: 18px;
    }
    .video-header{
        margin-bottom: 20px;
    }
}
@media screen and (max-width: 767px) {
    .video-list .item {
        width: 50%;
    }
    .video-list .item:nth-child(3n+1) {
        clear: none;
    }
    .video-list .item:nth-child(2n+1) {
        clear: left;
    }
    .video-list .box {
        margin-bottom: 30px;
    }
    .video-intro {
        margin-bottom: 30px;
    }
   
}
@media screen and (max-width: 520px) {
    .video-list .item {
        width: 100%;
    }
}