html,body{
    background: #f3f3f3;
}
.mainBox{
    background: #fff;
    overflow: hidden;
    padding: 0.27rem;
    width: 100%;
    box-sizing: border-box;
}
.mainBox .frees_ul{
    overflow: hidden;
}
.course_li{
    display: flex;
    width: calc(50% - 0.14rem);
    float: left;
    margin-right: 0.27rem;
    margin-top: 0.54rem;
}
.course_li:nth-of-type(2n){
    margin-right: 0;
   
}

.course_li img{
    border-radius: 0.27rem;
    border-radius: 0.27rem;
    width: 100%;
}
.course_li h4{
    margin: 0.07rem 0;
    color: #333;
    font-size: 0.35rem;
}
.course_item{
    display: block;
}
.course_item p{
    font-size: 0.32rem;
    color:#999;
}
/* 课程详情 */
.article_videoBox .tableBar {
    width: 100%;
    overflow: hidden;
    border-bottom: 0.03rem solid #e50011;
}
.article_videoBox .tableBar li {
    color: #000;
    font-size: 0.43rem;
    width: 33.3%;
    list-style-type: none;
    float: left;
    text-align: center;
    padding: 0.13rem 0;
    cursor: pointer;
   /* margin-right: 0.8rem;
    */
    -webkit-user-select:none;
    -moz-user-select:none;
    -o-user-select:none;
    user-select:none;
    border-top: none;
}
.article_videoBox .tableBar_en li{
    width: 2.67rem;
}
.article_videoBox .tableBar li.active {
    color: #fff;
    background: #e50011;
    border-top-color:none;
    font-weight: normal;
}
.article_videoBox .menuBox {
    width: 100%;
    margin: 0.27rem auto;
}
.article_videoBox .contents_experts{
    display: none;
    padding:0.13rem;
}
.article_videoBox .contents_experts:first-child{
    display: block;
}
.article_videoBox .experts_icon {
    overflow: hidden;
   /*width: 80%;
    height: 3.3333333333333335rem;
    */
    position: relative;
}
.article_videoBox .experts_icon img {
   /*width: 3.3333333333333335rem;
    height: auto;
    */
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 100%;
    float: left;
}
.article_videoBox .experts_position {
    padding-left: 2.3rem;
    line-height: 0.4rem;
}
.article_videoBox .experts_position h3 {
    margin-top: 0;
    margin-bottom: 0.13rem;
    color: #23B8FF;
    text-align: left;
    font-size: 0.25rem;
}
.article_videoBox .article_experts h3 {
    letter-spacing: 1em;
    font-size: 0.24rem;
    color: #888;
}
.article_videoBox .article_experts p {
    font-size: 0.2rem;
    line-height: 0.27rem;
    margin: 0.27rem 0;
}
.article_videoBox .expertsContains{
    padding: 0;
    margin: 0.13rem auto;
    width: 100%;
    background: #fff;
    overflow: hidden;
    float: none;
}
/* .article_videoBox .page_ch2{
    width: 16rem;
    padding:0.3466666666666667rem 0;
    margin:0.13rem auto 0;
}
*/
.article_videoBox .erji {
    width: 100%;
    overflow: hidden;
    border-bottom: none;
    padding: 0.27rem;
}
.article_videoBox .erji_tit {
    float: left;
    font-size: 0.31rem;
    color: #333333;
    line-height: 0.51rem;
    overflow: hidden;
}
.article_videoBox .erji_ul {
    float: right;
}
.article_videoBox .expertDescribe{
    margin-bottom: 0.27rem;
}
.article_videoBox .expertDescribe h2 {
    text-align: center;
    font-size: 0.31rem;
    line-height: normal;
    margin: 0.27rem;
}
.article_videoBox .expertDescribe p {
    line-height: 0.4rem;
    font-size: 0.2rem;
}
/*描述*/
.article_videoBox .leftPart {
    width: 100%x;
    position: relative;
}
.article_videoBox .left_mainVideo{
    background: #fff;
    padding-bottom: 0.27rem;
    margin-bottom: 0.27rem;
}
.article_videoBox .teach_img {
    width: 100%;
    ;
    height:4rem;
    overflow: hidden;
}
.article_videoBox .teach_img img.teachImg {
    width: 100%;
    height: auto;
    transform: scale(1);
    -ms-transform: scale(1);
   /* IE 9 */
    -moz-transform: scale(1);
   /* Firefox */
    -webkit-transform: scale(1);
   /* Safari 和 Chrome */
    -o-transform: scale(1);
    -webkit-transition: all .6s ease 0s;
    transition: all .6s ease 0s;
}
.article_videoBox .teach_img img.scaleImg {
    transform: scale(1.1);
    transform: scale(1.1);
    -ms-transform: scale(1.1);
   /* IE 9 */
    -moz-transform: scale(1.1);
   /* Firefox */
    -webkit-transform: scale(1.1);
   /* Safari 和 Chrome */
    -o-transform: scale(1.1);
}
.article_videoBox .shadowBox {
    width: 100%;
    height: 6.5rem;
    background: rgba(0,0,0,.6);
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000,endColorstr=#99000000);
    position: absolute;
    color: #fff;
    text-align: center;
    font-size: 0.3rem;
    display: none;
    top:0;
}
.article_videoBox .shadowBox1{
    display: block;
}
.article_videoBox .shadowBox img {
    width: 0.8rem;
    height: 0.8rem;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -0.4rem;
    margin-top: -0.4rem;
    cursor: pointer;
}
.article_videoBox .courseTit {
    font-size: 0.42rem;
    color: #000;
    text-align: left;
    margin: 0.18rem;
    font-weight: 600;
}
.article_videoBox .fenxiangBox{
    float: left;
    margin-left: 0.13rem;
}
.article_videoBox .fenxiangBox span{
    vertical-align: middle;
}
.article_videoBox .courseTit span {
    color: #E85308;
    font-size: 0.23rem;
    padding-left: 0.13rem;
}
.article_videoBox .lins_iconBox{
    color: #787878;
    font-size: 0.37rem;
    overflow: hidden;
}
.article_videoBox .lins_iconBox img{
    width: 0.4rem;
    height: auto;
    vertical-align: middle;
    margin-right: 0.13rem;
}
.article_videoBox .xinxi{
    float: right;
    margin-right: 0.13rem;
}
.article_videoBox .xinxi span{
    margin-right: 0.27rem;
    vertical-align: middle;
}
.article_videoBox .item_lines{
    font-size: 0.32rem;
    color: #333;
    line-height: 0.53rem;
    margin-bottom: 0.53rem;
}
.article_videoBox .comment_textLine{
    height: 0.53rem;
    line-height: 0.53rem;
    background: #f0f0ee;
    border-bottom: 0.01rem solid #d5d5d5;
    position: relative;
}
.article_videoBox .contents_comments{
    overflow: hidden;
    padding-left: 0.27rem;
    padding-right: 0.27rem;
}
.article_videoBox .lines_kecheng{
    background: #fff;
    display: inline-block;
    width: 100%;
}
/* 评论插件 */
.comment-list{
    width: 100%;
    margin: 0.27rem auto;
    clear: both;
    padding-top: 0.27rem;
}
.comment-list .comment-info{
    position: relative;
    margin-bottom: 0.27rem;
    margin-bottom: 0.27rem;
    border-bottom: 0.01rem solid #ccc;
    overflow: hidden;
}
.comment-list .comment-info header{
    width: 10%;
    position: absolute;
}
.comment-list .comment-info header img{
    width: 100%;
    border-radius: 50%;
    padding: 0.07rem;
}
.comment-list .comment-info .comment-right{
    padding:0.07rem 0rem 0.07rem 12%;
    line-height: 0.6rem;
}
.comment-list .comment-info .comment-right h3{
    margin: 0.07rem 0rem;
}
/* .comment-list .comment-info .comment-right .comment-content-header{
    height: 0.3333333333333333rem;
} */
.comment-list .comment-info .comment-right .comment-content-header span,.comment-list .comment-info .comment-right .comment-content-footer span{
    padding-right: 2em;
    color: #aaa;
}
.comment-list .comment-info .comment-right .comment-content-header span,.comment-list .comment-info .comment-right .comment-content-footer span.reply-btn,.send,.reply-list-btn.delete-btn,.delete-replay_btn{
    cursor: pointer;
}
.comment-list .comment-info .comment-right .reply-list {
    border-left: 0.04rem solid #ccc;
    padding-left: 0.10rem;
    overflow: hidden;
}
.comment-list .comment-info .comment-right .reply-list .reply{
    border-bottom: 0.01rem dashed #ccc;
    padding: 0.13rem 0;
}
.comment-list .comment-info .comment-right .reply-list .reply div span{
    padding-left: 0.13rem;
}
.comment-list .comment-info .comment-right .reply-list .reply p span{
    padding-right: 2em;
    color: #aaa;
}
.comment-list .comment-info .comment-right .comment-content-footer span.send{
    width: 1.07rem;
   /* width: 1.3333333333333333rem;
    */
    height: 0.53rem;
    font-family: "微软雅黑";
    font-size: 0.19rem;
    color: #fff;
    cursor: pointer;
    border: none;
    outline: none;
    background-color: #e50011;
    display: block;
    text-align: center;
    line-height: 0.53rem;
    float: right;
    padding-right: 0;
}
.comment-content-footer{
    float: right;
    margin: 0.13rem 0;
    width: 100%;
    overflow: hidden;
    text-align: right;
}
.replybox{
    overflow: hidden;
}
.replybox textarea{
    /* margin: 0.13rem; */
    height: 1.44rem;
    width: 100%;
    padding: 0.13rem;
    outline: none;
    box-sizing: border-box;
    resize: none;
}

/* .replybox:first-child {
    display: block;
}
.replayBox:first-child {
    display: block;
}
*/
.replayBox{
    padding: 0.07rem 0rem 0.07rem 14%;
}
.replyname{
    padding-left: 0.13rem;
}
.article_videoBox #content{
    width: 100%;
    outline: none;
    height: 2rem;
    resize: none;
}
.article_videoBox #comment{
    font-family: "微软雅黑";
    font-size: 0.28rem;
    color: #fff;
    cursor: pointer;
    border: none;
    outline: none;
    background-color: #e50011;
    display: block;
    text-align: center;
    float: right;
    padding: 0.2rem;
    box-sizing: border-box;
}
.comment-list .comment-info .comment-right .reply-list .reply div span.send{
    width: 1.07rem;
   /* width: 1.3333333333333333rem;
    */
    height: 0.53rem;
    font-family: "微软雅黑";
    font-size: 0.19rem;
    color: #fff;
    cursor: pointer;
    border: none;
    outline: none;
    background-color: #e50011;
    display: block;
    text-align: center;
    line-height: 0.53rem;
    float: right;
    padding-right: 0;
}
/* 视频样式 */
.article_videoBox .video_sp{
    margin-top: 0;
}