/*******************************课程详情页 start********************************************/
body{
    max-width:100%!important;
}
.am-header-default{
    position:fixed;
    top:0;
    z-index:9999;
}
/*头部返回 start*/
header{
    position:fixed;
    width:40px;
    line-height:35px;
    color:#fff;
    font-size:24px;
    text-align:center;
    z-index:99999;
}
header a{
    color:#fff;
    font-size:3rem;
}
/*公用样式*/
.head-message{
    border-bottom:10px solid #eee;
    padding:56vw 3% 0;
}
.module{
    line-height:1.8;
    font-size:1.3rem;
    padding:10px 0;
}
.module>.module-content{
    display: flex;
    font-size: 1.4rem;
    color:#999;
}
.module>.module-content>div {
    display: flex;
    align-items: center;
    flex-grow: 1;
    width:50%;
}

/*视频区域 start*/
.video-area{
    position:fixed;
    top:0;
    width:100%;
    height:56vw;
    background:#fff;
    z-index:9999;
}
.video-area>video{
    width:100%;
    height:100%;
    object-fit:fill;
}
.video-shade{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.3);
    z-index:999;
}
.video-shade>img{
    display:block;
    width:60px;
    margin:calc(28vw - 30px) auto 0;
}
/*头部标题 start*/
.head-title{
    position:relative;
    line-height:2.2em;
    border-bottom:1px solid #eee;
}
.head-title>.head-title-name{
    width:100%;
    padding-right:55px;
    font-size:1.6rem;
    font-weight:bold;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.head-title>.head-title-content{
    width:100%;
    padding-right:55px;
    font-size:1.4rem;
    color:#666;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.head-title .collect{
    position:absolute;
    right:0;
    top:5px;
    padding:0 15px;
    border-left:1px solid #eee;
    text-align: center;
}
.head-title .collect img{
    width:26px;
}
/*头部标题 end*/

/*视频简介 start*/
.course_nav{
    width:100%;
    color:#999;
    line-height:2rem;
    padding:10px 0;
    border-bottom:1px solid #eee;
    overflow:hidden;
}
/*视频简介 end*/

/*tab切换 start*/
.tab-cut{
    position:sticky;
    position:-webkit-sticky;
    top:56vw;
    padding:10px 0;
    display:flex;
    font-size:1.5rem;
    color:#888;
    text-align:center;
    border-bottom:1px solid #eee;
    z-index:1111;
    background:#fff;
}
.tab-cut>div{
    position:relative;
    flex:1;
    border-right:1px solid #eee;
}

.tab-cut>div.active::after{
    content: '';
    position:absolute;
    bottom:-10px;
    left:10%;
    width:80%;
    height:3px;
    background:#ed6351;
}
.tab-cut>div.active {
    color:#000;
}
.tab-cut>div:last-child{
    border:none;
}
.tab-content>div{
    display:none;
}

/*课程目录 start*/
.catalog,.course,.test{
    width:94%;
    margin:0 auto;
}
.catalog_list li{
    position:relative;
    width:100%;
    height:50px;
    line-height:50px;
    border-bottom:1px solid #eee;
    padding-left:32px;
    overflow:hidden;
}
.catalog_list li a{
    display:block;
}
.catalog_list li i{
    position:absolute;
    left:0;
    top:10px;
    width:26px;
    height:26px;
}
.catalog_list li.beat i{
    background:url("../../images/jy/icon_beat.png") no-repeat center;
    background-size:cover;
}
.catalog_list li.beat a{
    color:#ed6351;
}
/*课程目录 end*/

/*讲师简介 start*/
.teacher_list{
    width:92%;
    margin:0 auto;
    overflow:hidden;
}
.teacher_list li{
    position:relative;
    width:100%;
    margin-top:15px;
    overflow:hidden;
}
.teacher_list li span{
    position:absolute;
    width:80px;
    height:80px;
    border-radius:50%;
    overflow:hidden;
}
.teacher_list li span img{
    width:100%;
}
.teacher_list li h3{
    font-size:1.5rem;
    font-weight:bold;
    padding-left:90px;
}
.teacher_list li p{
    padding-left:90px;
    color:#666;
    margin-top:5px;
}
/*讲师简介 end-*/

/*相关课程 start*/
.am-list-news-default .am-list>li{
    border-color:#eee;
}
/*相关课程 end*/
/*******************************课程详情页 start********************************************/