body{
    background-color: #ffffff;
}
.header-banner img{
    width: 100%;
    height: 6.2rem;
    object-fit: cover;
}
.header-banner .play-btn{
    width: 1.75rem;
    height: 1.75rem;
    margin: -4rem auto;
}
.art-logo{
    width: 2.38rem;
    height: 2.38rem;
}
.play-btn-sm{
    width: 0.56rem;
    height: 0.56rem;
    margin: -1.5rem auto;
}
.news-container{
    padding: 0.8rem 0.68rem;
}
.news-header{
    border-left: 0.1rem solid #66c2ce;
    padding: 0 0.33rem;
}
.news-title{
    font-family: NotoSansHans-Medium;
    font-size: 0.44rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.62rem;
    letter-spacing: 0.009rem;
    color: #2c3e50;
}
.news-info{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
.news-date{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.36rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.3rem;
    letter-spacing: 0rem;
    color: #949494;
    opacity: 0.7;
}
.news-view{
    display: flex;
    flex-direction: row;
    align-items: flex-end;
}
.news-view-icon{
    width: 0.4rem;
}
.news-view-num{
    margin: 0 0 0 0.16rem;
    font-family: NotoSansHans-DemiLight;
    font-size: 0.308rem;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0rem;
    color: #949494;
    opacity: 0.7;
}
.news-mark-icon{
    width: 0.8rem;
    height: 0.8rem;

    background-repeat: no-repeat;
    background-size: 100%;
}
.collect-icon{
    background-image: url("http://cache.xaangel.net/collect-icon.svg");
}
.collect-check{
    background-image: url("http://cache.xaangel.net/collect-icon_check.svg");
}
.news-content{
    margin-top: 0.44rem;
    padding: 0.44rem 0 0;
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    font-stretch: normal;
    color: rgba(44,62,80,0.67);
    border-top: 0.04rem solid #dcdcdc;
}
.news-content p{
    padding-bottom: 0.3rem;
}
.news-content img{
    background-size:contain;
    width:100%;
    height: auto;
    margin: 0 auto;
    display: block;
}
/*lecturer-instructors*/
.lecturer-instructors{
    border-top: 0.04rem solid #dcdcdc;
    margin-top: 0.57rem;
    padding-bottom: 0.8rem;
    border-bottom: 0.04rem solid #dcdcdc;
}
.lecturer-title{
    font-family: NotoSansHans-Medium;
    font-size: 0.46rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.62rem;
    letter-spacing: 0.009rem;
    color: #66c2ce;
    padding: 0.57rem 0;
}
.lecturer-item{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.lecturer-avatar{
    width: 1.88rem;
    height: 1.88rem;
    background-color: #bfbfbf;
    border-radius: 50%;
}
.lecturer-info{
    height: 1.88rem;
    width: calc(100% - 0.37rem);
    margin-left: 0.37rem;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.lecturer-name{
    font-family: NotoSansHans-Medium;
    font-size: 0.501rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.49rem;
    letter-spacing: 0.01rem;
    color: #2c3e50;
    opacity: 0.8;
}
.lecturer-bottom{

}
.lecturer-position{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.30rem;
    line-height: 0.44rem;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0rem;
    color: #3d4955;
    opacity: 0.7;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}
.lecturer-merit{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.30rem;
    line-height: 0.44rem;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0rem;
    color: #3d4955;
    opacity: 0.7;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
}
.course-instructors{
    margin-top: 0.5rem;
}
.course-title{
    font-family: NotoSansHans-Medium;
    font-size: 0.46rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.62rem;
    letter-spacing: 0.009rem;
    color: #66c2ce;
}
.course-desc{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.36rem;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0.006rem;
    color: #2c3e50;
    opacity: 0.67;
    margin-top: 0.48rem;
}

.news-discuss{
    padding: 0.8rem 0.68rem;
    border-bottom: 0.04rem solid #dcdcdc;
    border-top: 0.04rem solid #dcdcdc;
}

/*news-discuss-form*/
.news-discuss-form{
    display: flex;
    flex-direction: row;
    align-items: center;
}
.news-discuss-content{
    width: 7.7rem;
    height: 0.8rem;
    background-color: #eeeeee;
    border-radius: 0.4rem;
    padding-left: 0.42rem;
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.6rem;
    letter-spacing: 0.006rem;
}
.news-discuss-btn{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.6rem;
    letter-spacing: 0.006rem;
    color: #2c3e50;
    opacity: 0.5;
    margin-left: 0.36rem;
}
.news-discuss-list{

}
.news-discuss-li{
    margin-top: 0.35rem;
    padding-bottom: 0.35rem;
    border-bottom: 0.02rem solid #dcdcdc;
}
.news-discuss-li:last-child{
    border: none;
    padding-bottom: 0;
}
.news-discuss-item-header{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
.news-discuss-item-logo{
    width: 1rem;
    height: 1rem;
}
.news-discuss-item-header-info{
    width: 100%;
    height: 1rem;
    margin-left: 0.4rem;
}
.news-discuss-item-username{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.6rem;
    letter-spacing: 0.006rem;
    color: #2c3e50;
    opacity: 0.9;
}
.news-discuss-item-date{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.24rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.6rem;
    letter-spacing: 0.005rem;
    color: #2c3e50;
    opacity: 0.4;
}
.news-discuss-item-content{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.35rem;
}
.news-discuss-item-info{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.6rem;
    letter-spacing: 0.01rem;
    color: #2c3e50;
    opacity: 0.8;
}
.news-discuss-item-right{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
.news-like-icon{
    width: 0.4rem;
    height: 0.4rem;
    background-image: url("http://cache.xaangel.net/noun_good.svg");
    background-repeat: no-repeat;
    background-size: 100%;
}
.like-check{
    background-image: url("http://cache.xaangel.net/noun_good_check.svg");
}
.news-discuss-item-num{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.3rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.3rem;
    letter-spacing: 0.006rem;
    color: #2c3e50;
    opacity: 0.23;
    margin: 0 0.15rem;
}
.news-discuss-icon{
    width: 0.4rem;
    height: 0.4rem;
}
.news-discuss-item-content-more{
    background-color: #eeeeee;
    border-radius: 0.15rem;
    margin-top: 0.4rem;
    padding: 0.3rem;
}
.news-discuss-item-content-more-item{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    letter-spacing: 0.006rem;
    color: #495b6c;
    margin-bottom: 0.3rem;
}
.news-discuss-item-content-more-item:last-child{
    margin: 0;
}
.content-more-item-name{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.32rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.52rem;
    letter-spacing: 0.006rem;
    color: #66c2ce;
}
/*related-articles*/
.related-articles{
    padding: 0 0.68rem;
}
.related-articles-title{
    font-family: NotoSansHans-Medium;
    font-size: 0.46rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.62rem;
    letter-spacing: 0.09rem;
    color: #66c2ce;
}
.related-articles-ul{
    margin-top: 0.4rem;
}
.related-articles-li{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0.18rem 0;
    border-bottom: 0.02rem solid #dcdcdc;
}
.related-articles-li:last-child{
    border-bottom: none;
}
.related-articles-logo{
    width: 2.38rem;
    height: 2.38rem;
    background-color: #bcbcbc;
    border-radius: 0.1rem;
    object-fit: cover;
}
.related-articles-info{
    width: 100%;
    height: 2.38rem;
    margin-left: 0.33rem;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.related-articles-name{
    font-family: NotoSansHans-Medium;
    font-size: 0.36rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.45rem;
    letter-spacing: 0rem;
    color: #2c3e50;
    opacity: 0.8;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}
.related-articles-desc{
    font-family: NotoSansHans-DemiLight;
    font-size: 0.3rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.45rem;
    letter-spacing: 0rem;
    color: #949494;
    opacity: 0.8;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

/*视频弹窗遮罩层*/
.video-content{
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0,0,0,1);
    z-index: 999;
}
.video-content-item video{
    width: 100%;
    height: 6.2rem;
}