body{
    background-color: #f5f5f5 !important;
}
.urlTitle{
    font-size: 16px;
    font-weight: 400;
    line-height: 21.95px;
    text-align: justified;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    color: #666666;
    margin: 8px 0 12px;
}
.videodetail_container{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}
.videodetail_left{
    width: 840px;
    background-color: #fff;
    border-radius: 20px;
    padding-bottom: 20px;
}
.videodetail_right{
    width: 340px;
    background-color: #fff;
    border-radius: 15px;
    padding: 10px 15px;
}
.videoTitle{
    color: #11233f;
    font-size: 20px;
    font-weight: 600;
    padding: 10px ;
}
.videoDesc{
    margin-left: 10px;
    height: 16px;
    background: url(../../image/browse/icon_playsum.png) no-repeat left center;
    background-size: 16px auto;
    font-size: 13px;
    color: #9299a6;
    padding-left: 25px;
    margin-bottom: 15px;
    line-height: 16px;
}
.pre-video{
    width: 100%;
    height: 472px;
    position: relative;
}
.pre-video .video-img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.pre_video_bvg{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0,0,0,.3);
    cursor: pointer;
}
.pre_video_bvg::after{
    display: block;
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: url(../../image/teacher/playIcon.png) no-repeat center center;
}
.interact-box{
    background: #f6f7f9;
    height: 44px;
    padding-left: 20px;
    padding-right: 4px;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.video_tags{
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding: 20px 10px 10px 10px;
}
.video_tags span{
    align-items: center;
    background: #f1f2f3;
    border-radius: 13px;
    display: inline-flex;
    height: 26px;
    margin-bottom: 10px;
    margin-right: 20px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
    font-size: 14px;
    line-height: 20px;
}
.video_intro{
    padding: 10px;
    font-size: 14px;
    color: #424242;
    line-height: 20px;
    text-indent: 2em;
}
.interact-box .interact-item i {
    background: url(../../image/browse/icon_video_tips.png) no-repeat;
    background-size: auto 46px;
    display: block;
    height: 23px;
    margin-right: 11px;
    width: 26px;
}

.interact-item{
    align-items: center;
    margin-right: 20px;
    cursor: pointer;
}
.interact-box .interact-item .interact-num {
    font-size: 14px;
    color: #424242;
    line-height: 20px;
}
.interact-box .interact-item i.icon-like {
    background-position: 0 0;
}

.interact-box .interact-item i.icon-share {
    background-position: -78px 0;
}

.interact-box .interact-item.active .icon-like, .interact-box .interact-item:hover .icon-like {
    background-position: 0 -23px;
}
.icon-like.active{
    background-position: 0 -23px !important;
}
.interact-item:hover span{
    color: #e43 !important;
}
.interact-num.active{
    color: #e43 !important;
}
.interact-box .interact-item.active .icon-share, .interact-box .interact-item:hover .icon-share {
    background-position: -78px -23px;
}
.tag-item:hover {
    background: #ebebeb;
}
.right_title{
    font-size: 20px;
    font-weight: 550;
    margin: 20px 0;
}
.ellipsis{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.video-list li:nth-child(odd) {
    background: #fff;
}
.video-list li {
    padding: 10px 20px;
}
.video-list li:nth-child(odd) {
    background: #f6f7f9;
}
.video-list li a:hover{
    text-decoration: none;
}
a {
    color: #424242;
    text-decoration: none;
}
.video-list li .video-title {
    color: #313d54;
    font-size: 14px;
    height: 16px;
    margin-bottom: 10px;
}
.video-list li .duration {
    width: 72px;
}
.flex-center, .flex-vcenter {
    align-items: center;
    display: flex;
}

.font-size-12 {
    font-size: 12px;
}
.video-list li .play {
    background: url(../../image/browse/icon_playsum.png) no-repeat 0;
    background-size: 16px auto;
    line-height: 1.1;
    padding-left: 22px;
    width: 60px;
}
.video-list li .video-tag {
    color: #9299a6;
    font-size: 12px;
    line-height: 1.2;
    margin-bottom: 8px;
    display: none;
}
.video-list li:hover .video-tag{
    display: block;
}
.video-list li:hover .video-title{
    color: #e43 !important;
}
.course-list .course_info_july {
    height: 84px;
    padding: 12px 0;
    transition: .3s;
    margin: 12px 0;
}
.course-list .course_info_july .leftimg {
    background: #c9c9c9;
    border-radius: 4px;
    height: 84px;
    overflow: hidden;
    position: relative;
    width: 140px;
}
.course-list .course_info_july .leftimg .cs_num {
    background: rgba(17, 35, 63, .5);
    border-bottom-right-radius: 4px;
    border-top-left-radius: 4px;
    bottom: 0;
    color: #fff;
    display: block;
    font-size: 12px;
    height: 18px;
    line-height: 18px;
    position: absolute;
    right: 0;
    text-align: center;
    width: 50px;
}
.course-list .course_info_july .right-info {
    margin-left: 20px;
    width: 190px;
}
.color-939 {
    color: #9399a5;
}

.font-size-13 {
    font-size: 13px;
}
.no-shrink {
    flex-shrink: 0;
}
.margin-left-5 {
    margin-left: 5px;
}

.color-939 {
    color: #9399a5;
}
.font-size-13 {
    font-size: 13px;
}
.justify-between {
    justify-content: space-between;
}
.course-list .course_info_july .price {
    color: #e31436;
    font-size: 14px;
}
.leftimg img{
    width: 100%;
    height: 100%;
}
.course_info_july:hover{
    text-decoration: none;
    transform: translateY(-5px);

}
.videodetail_container .course-list{
    display: flex;
    flex-wrap: wrap;
    padding: 0 15px;
    justify-content: space-between;
}