html,body,#ai_video_video_college_page{
    width: 100%;
    height: 100%;
    min-width: 1320px;
    background-color: #fff;
}
#ai_video_video_college_page{
    height: auto;
}
.show_video_box{
    width:100%;
    height:100%;
    position: fixed;
    left:0;top:0;
    background:rgba(0,0,0,.8);
    z-index: 1000;
}
.show_video_box .video_player_contaner{
    width:1000px; 
    min-width: 900px;
    height:600px;
    position: absolute;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
}
.show_video_box .close{
    position: absolute;
    top: 30px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 50px;
    /* background: rgba(0, 0, 0, 0.4); */
    line-height: 30px;
    text-align: center;
    border-radius: 15px;
    color: #fff;
    cursor: pointer;
    z-index: 99;
}
.show_video_box .video_player_controller{
    max-width:100%;
    max-height: 100%;
    position: absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    z-index: 98;
}
/* end */
.video_college_head{
    width: 100%;
    min-width: 1440px;
    height: 68px;
    background: #FFFFFF;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* padding: 0 20px; */
    position: fixed;
    left: 0;
    top: 0;
    background-color: #fff;
    z-index: 99;
}
.video_college_head_left{
    display: flex;
    align-items: center;
}
.video_college_head_left .video_college_logo{
    width: 114px;
    height: auto;
    cursor: pointer;
    margin-right: 30px;
}
.video_college_head_left .title{
    font-size:24px;
    line-height: 30px;
    font-weight:400;
    color: #2B2C2D;
    border-left: 1px solid #D8D8D8;
    padding: 0 18px;
    cursor: pointer;
}
.video_college_banner{
    width: 100%;
    padding-top: 68px;
    position: relative;
}
.video_college_banner .text{
    position: absolute;
    left: 19%;
    top: 50%;
    color: #fff;
    letter-spacing: 6px;
}
.video_college_banner .text h1 {
    font-size: 48px;
    font-weight: unset;
}
.video_college_banner .text h4 {
    font-size: 24px;
    font-weight: lighter;
}
.video_college_banner img {
    display: block;
    height: auto;
}
.video_college_tab{
    background-color: #fff;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
    padding: 0 20px;
}
.video_college_tab .el-tabs{
    width: 1320px;
    margin: auto;
}
.video_college_tab .el-tabs__nav-wrap::after{
    content: unset;
}
.video_college_tab .el-tabs__header{
    margin: 0;
}
.video_college_tab .el-tabs__item{
    height: 66px;
    line-height: 66px;
    font-size: 18px;
}
.video_college_tab .el-tabs__item.is-active{
    color: #017EFF;
}
.video_college_tab .el-tabs__active-bar{
    background-color:  #017EFF;
}
.video_college_breadcrumb{
    padding-top: 68px;
    background: #F9FAFB;
}
.video_college_breadcrumb .el-breadcrumb{
    width: 1320px;
    margin: auto;
    line-height: 50px;
}
.video_college_breadcrumb .el-breadcrumb .el-breadcrumb__inner{
    color:rgba(1, 1, 0, 0.5);
    cursor: pointer;
}
.video_college_breadcrumb .el-breadcrumb .el-breadcrumb__inner:hover{
    color: #017EFF;
}
.video_college_breadcrumb .el-breadcrumb__item:last-child .el-breadcrumb__inner{
    color: #010100;
    cursor: unset;
}
.video_college_container{
    width: 1320px;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.video_college_container .label{
    height: 24px;
    line-height: 24px;
    border-radius: 4px;
    margin-right: 10px;
    text-align: center;
    background-color: #eee;
    font-size: 12px;
    color: rgba(0,0,0,.6);
    padding: 0 5px;
    flex-shrink: 0;
}
.video_college_container .more{
    line-height: 36px;
    background: #F9FAFB;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
}
.video_college_container .more:hover{
    color: #017EFF;
}
.video_college_container_left{
    width: 990px;
}
.container_right_title{
    font-size: 20px;
    color: #17181C;
    margin: 20px 20px 0;
}
.video_college_article_list{
    width: 990px;
    padding: 10px 0;
}
.video_college_article_item{
    padding: 12px 20px;
    display: flex;
    background-color: #fff;
    margin-bottom: 18px;
    cursor: pointer;
}
.video_college_article_item:hover {
    background-color: #F9FAFB;
}
.video_college_article_item .thumb{
    width: 260px;
    height: 166px;
    background-color: #ccc;
    margin-right: 30px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.video_college_article_item:hover .thumb img{
    transition: all .5s;
    transform: scale(1.1);
    z-index: 1;
}
.play_btn{
    width: 42px;
    height: 42px;
    border-radius: 42px;
    background-color: #fff;
    font-size: 20px;
    text-align: center;
    line-height: 42px;
    color: #000;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    z-index: 2;
}
.video_college_article_item .video_time{
    width: 50px;
    line-height: 24px;
    text-align: center;
    opacity: 0.8;
    background: #000000;
    border-radius: 4px;
    font-size: 14px;
    color: #FEFFFF;
    position: absolute;
    right: 5px;
    bottom: 5px;
    z-index: 2;
}
.video_college_article_item .text_box{
    width: 618px;
}
.video_college_article_item .title{
    min-height: 38px;
    line-height: 28px;
    font-size: 20px;
    color: #000;
    overflow:hidden; 
    text-overflow:ellipsis;
    display:-webkit-box; 
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2; 
}
.video_college_article_item:hover .title{
    color: #017EFF;
}
.video_college_article_item .des{
    min-height: 48px;
    font-size: 14px;
    line-height: 24px;
    color: rgba(0,0,0,.7);
    margin: 10px 0;
    overflow:hidden; 
    text-overflow:ellipsis;
    display:-webkit-box; 
    -webkit-box-orient:vertical;
    -webkit-line-clamp: 2;
}
.video_college_container_left .bottom{
    display: flex;
    align-items: center;
    font-size: 12px;
    color: rgba(0,0,0,.6);
}
.video_college_container_left .time{
    margin-right: 10px;
}
.video_college_article_details .article_title{
    font-size: 30px;
    color: #17181C;
    margin: 15px 0;
    font-weight: bold;
}
.video_college_article_details .articles_summary_box{
    width: 100%;
    font-size: 16px;
    color:rgba(0,0,0,.7);
    padding: 20px 40px;
    position: relative;
    background-color: #F9FAFB;
    margin: 16px 0;
    line-height: 28px;
}
.video_college_article_details .articles_summary_box .up_quote{
    width: 20px;
    height: auto;
    position: absolute;
    left: 0;
    top: -6px;
}
.video_college_article_details .articles_summary_box .down_quote{
    width: 20px;
    height: auto;
    position: absolute;
    right: 0;
    bottom: -6px;
    transform: rotate(180deg);
}
.video_college_article_details .article_content{
    margin-top: 16px;
    padding-top: 14px;
    margin-bottom: 70px;
}
.video_college_article_details .dashed{
    border-top: 1px dashed #D8D8D8;
    margin-top: 16px;
}
.article_video{
    width: 950px;
    height: 475px;
    margin-top: 26px;
}
.like_box{
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #030301;
    margin-bottom: 28px;
}
.like_box .btn{
    width: 128px;
    height: 60px;
    line-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid #D8D8D8;
}
.like_box .btn .num{
    width: 46px;
    text-align: center;
    font-size: 14px;
}
.like_box .btn.active{
    border: 1px solid #FF5C00;
    background-color: #FF5C00;
    color: #fff;
}
.like_box .btn img{
    width: 20px;
    height: 20px;
}
.like_box .btn.like img{
    transform: rotate(180deg);
}
.like_box .btn.like.active img{
    transform: scaleX(-1)
}
.like_box .btn.unlike.active img{
    transform: rotateX(180deg);
}
.video_college_container_right{
    width: 314px;
    padding-top: 26px;
}
.video_college_container_right .banner{
    width: 314px;
    height: 150px;
    display: block;
    margin-bottom: 10px;
    cursor: pointer;
    overflow: hidden;

}
.video_college_container_right .banner:hover img{
    transition: all .5s;
    transform: scale(1.1);
    z-index: 1;
}
.video_college_container_right .list{
    width: 100%;
    padding: 16px;
    border: 1px solid #F3F4F5;
    border-radius: 4px;
    margin-bottom: 10px;
}
.video_college_container_right .title{
    font-size: 20px;
    color: #000;
    padding-bottom: 8px;
    /* border-bottom: 1px solid #F1F2F3; */
}
.video_college_container_right .item{
    display: flex;
    padding: 10px 0;
    border-top: 1px solid #F1F2F3;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.video_college_container_right .item:hover .item_title{
    color: #017EFF;
}
.video_college_container_right .item .item_img{
    width: 112px;
    height: 80px;
    background-color: #ccc;
    margin-right: 10px;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}
.video_college_container_right .item .item_img .play_btn{
    width: 30px;
    height: 30px;
    border-radius: 30px;
    line-height: 30px;
}
.video_college_container_right .item:hover img{
    transition: all .5s;
    transform: scale(1.1);
}
.video_college_container_right .item_title{
    font-size: 16px;
    margin-bottom: 10px;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.video_college_container_right .label_box{
    width: 158px;
    height: 24px;
    display: flex;
    overflow: hidden;
    flex-wrap: wrap;
}
.video_college_container_right .number{
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    position: absolute;
    left: 0;
    top: 0;
    background: #FD5600;
    color: #fff;
    font-size: 12px;
    z-index: 2;
}
/* 悬浮按钮 */
.float_bottom_box{
    width: 46px;
    position: fixed;
    right: 0;
    bottom: 60px;
    background: #FFFFFF;
    box-shadow: 0 1px 4px 0 rgba(21,34,50,0.3);
    border-radius: 6px 0 0 6px;
    overflow: hidden;
    padding: 7px;
    font-size: 12px;
    color: #7E84A3;
    letter-spacing: 0;
    text-align: center;
    line-height: 16px;
    cursor: pointer;
}
.float_bottom_box img{
    width: 22px;
    margin-bottom: -2px;
}