/*
+-+-+ courses start +-+-+
 */
/*视频列表 star*/
.courses-video-index{
    width: 100%;
    background-color: #222222;
    padding: 2em 0;
}
.courses-video-info{
    width: 1200px;
    margin: 0 auto;
}
.courses-video-info .search-box{
    width: 100%;
}
.courses-video-info .search-box .search-info{
    width: 515px;
    height: 36px;
    line-height: 36px;
}
.courses-video-info .search-box .search-info input{
    float: left;
    width: 81%;
    height: 36px;
    background-color: #3B3C46;
    border: none;
    font-weight:bold;
    padding: 0 2%;
    color: #969791;
    border-radius: 8px 0 0 8px;
}
.courses-video-info .search-box .search-info button{
    float: right;
    width: 15%;
    height: 36px;
    background-color: #62636B;
    border: none;
    color: #EFF0F0;
    font-weight:bold;
    border-radius: 0 8px 8px 0;
}
.courses-video-info .search-box .search-info button i{
    font-size: 20px;
    color: #EFF0F0;
    font-weight:bold;
    vertical-align: middle;
}
.courses-video-info .category-cox{
    width: 100%;
    margin-top: 2em;
    color: white;
    font-size: 16px;
}
.courses-video-info .category-cox ul{
    display: inline-block;
    width: 100%;
}
.courses-video-info .category-cox ul li{
    float: left;
    margin-left: 1em;
}
.courses-video-info .category-cox ul li a{
    color: white;
}
.courses-video-info .courses-video-list{
    width: 100%;
    margin-top: 1em;
}
.courses-video-info .courses-video-list ul{
    width: 100%;
    display: inline-block;
}
.courses-video-info .courses-video-list ul li{
    float: left;
    width: 290px;
    height: 280px;
    background-color: #333333;
    border-radius: 10px;
    margin-top: 2em;
    margin-left: 0.9em;
    cursor: pointer;
}
.courses-video-info .courses-video-list ul li:nth-of-type(4n+1){
    margin-left: 0;
}
.courses-video-info .courses-video-list ul li .div-img{
    width: 290px;
    height: 163px;
}
.courses-video-info .courses-video-list ul li .div-img img{
    border-radius: 10px;
}
.courses-video-info .courses-video-list ul li .title{
    margin-top: 1em;
    color: white;
    padding: 0 10px;
    line-height: 25px;
}
.courses-video-info .courses-video-list ul li .views{
    margin-top: 1.5em;
    padding: 0 10px;
    color: white;
}
.courses-video-info .courses-video-list ul li .views [class^="layui-col-"]:nth-of-type(2){
    text-align: right;
}
.courses-video-index .video-show-info{
    margin-top: 1em;
    padding: 0 10px;
}
.courses-video-index .video-show-info h2{
    font-size: 18px;
    color: white;
}
.courses-video-index .video-show-info p{
    color: #999999;
    margin-top: 1em;
    font-size: 14px;
}
.courses-video-index .recommend_list{
    padding-left: 1.5em;
}
.courses-video-index .recommend_list .recommend{
    width: 100%;
    height: 50px;
    line-height: 50px;
    border-bottom: #FFFFFF solid 1px;
}
.courses-video-index .recommend_list .recommend p{
    color: #FF7F00;
    border-bottom: #FF7F00 solid 1px;
    width: 127px;
    height: 50px;
    text-align: center;
}
.courses-video-index .recommend_list ul{
    margin-top: 2em;
    padding-right: 1em;
}
.courses-video-index .recommend_list ul li{
    margin-bottom: 2em;
    cursor: pointer;
    min-height: 85px;
}
.courses-video-index .recommend_list ul li .div-img{
    width: 134px;
    height: 85px;
    float: left;
}
.courses-video-index .recommend_list ul li .list-info{
    margin-left: 145px;
}
.courses-video-index .recommend_list ul li .list-info h2{
    font-size: 16px;
    color: white;
    line-height: 25px;
}
.courses-video-index .recommend_list ul li .list-info p{
    margin-top: 1.3em;
    color: white;
}
/*视频列表 end*/
/*搜索框 star*/
.screen-box{
    width: 1200px;
    margin: 1em auto;
    border: #EEEEEE solid 1px;
    height: 100%;
}
.screen-box .screen-list-box{
    width: 100%;
    display: inline-block;
    margin: 1em 0;
}
.screen-box [class^="layui-col-"].name{
    margin-top: 1em;
    font-size: 14px;
}
.screen-box [class^="layui-col-"].list{
    /*margin-top: 0.3em;*/
}
.screen-box .name{
    text-align: center;
    color: #333333;
}
.screen-box ul{
    text-align: left;
    display: inline-block;
    width: 100%;
}
.screen-box li{
    float: left;
    padding: 3px 8px;
    font-size: 14px;
    margin-right: 0.5em;
    margin-top: 0.8em;
    border-radius: 5px;
    cursor: pointer;
}
.screen-box li a{
    display: block;
    color: #333333;
}
.screen-box li.active{
    background: #FF7F00;
    padding: 3px 8px;
    border-radius: 5px;
}
.screen-box li.active a{
    color: white;
}
/*搜索框 end*/
.img-object{
    width: 100%;
    height:100%;
    object-fit: cover;
    object-position: 50% 20%;
}
.ck_ad_slide{
    width: 100%;
    height: 25vh;
    margin-top: 5px;
}
/*课程列表 star*/
.courses-list-box{
    width: 100%;
    height: auto;
    border-top: #999999 solid 1px;
}
.courses-list-box .courses-list{
    width: 1200px;
    margin: 1em auto;
}
.courses-list-box .courses-list [class^="layui-col-"].title{
    text-align: left;
}
.courses-list-box .courses-list [class^="layui-col-"].title img{
    width: 35px;
    height: 31px;
}
.courses-list-box .courses-list [class^="layui-col-"].title span{
    font-size: 16px;
    color: black;
    margin-left: 5px;
    font-weight: bold;
}
.courses-list-box .courses-list [class^="layui-col-"].sort{
    text-align: right;
}
.courses-list-box .courses-list [class^="layui-col-"].sort li{
    float: left;
    margin-right: 1em;
    color: #333333;
    padding: 3px 8px;
    font-size: 14px;
    cursor: pointer;
}
.courses-list-box .courses-list [class^="layui-col-"].sort li a{
    font-size: 14px;
}
.courses-list-box .courses-list [class^="layui-col-"].sort li.active{
    background-color: #EEEEEE;
    border-radius: 5px;
    padding: 3px 8px;
}
.courses-list-box .courses-list .list-ul{
    margin-top: 2em;
    display: inline-block;
    width: 100%;
}
.courses-list-box .courses-list .list-ul li{
    float: left;
    width: 280px;
    height: 280px;
    margin-bottom: 1.5em;
    margin-left: 1.3em;
    border-radius: 10px;
    border: #DDDDDD solid 1px;
    cursor: pointer;
    position: relative;
}
.courses-list-box .courses-list .list-ul li:nth-of-type(4n+1){
    margin-left: 0;
}
.courses-list-box .courses-list .list-ul li .img-div{
    width: 280px;
    margin: 0 auto;
    height: auto;
}
.courses-list-box .courses-list .list-ul li .img-div img{
    border-radius: 5px 5px 0 0;
}
.courses-list-box .courses-list .list-ul li .recommend{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 999;
}
.courses-list-box .courses-list .list-ul li .recommend img{
    border-radius: 5px 0 0 0;
}
.courses-list-box .courses-list .list-ul li .courses-title{
    font-size: 14px;
    color: #333333;
    font-weight: bold;
    margin-top: 1em;
    padding: 0 1em;
}
.courses-list-box .courses-list .list-ul li .price{
    margin-top: 1em;
    padding: 0 1em;
}
.courses-list-box .courses-list .list-ul li .price span{
    font-size: 18px;
    color: #FF0000;
}
.courses-list-box .courses-list .list-ul li .price font{
    color: #333333;
    float: right;
}
/*课程列表 end*/
/*课程详情页 star*/
.courses_nav{
    font-size: 14px;
    background-color: #EEEEEE;
    line-height: 35px;
    height: 35px;
    float: left;
    width: 1200px;
    color: #333333;
    text-indent: 10px;
}
.courses-show-box{
    width: 1200px;
    margin: 1em auto 0 auto;
    background-color: white;
    padding-bottom: 2em;
}
.courses-show-info{
    width: 100%;
    height: auto;
}
.courses-show-info .info-left{
    border-right: #EEEEEE solid 1px;
    padding: 1em;
}
.courses-show-info .courses-banner{
    width: 455px;
    height: auto;
    float: left;
}
.courses-show-info .courses-info{
    margin-left: 480px;
}
.courses-show-info .courses-info .courses-precondition{
    width: 100%;
}
.courses-show-info .courses-info .courses-precondition p{
    display: inline-block;
    color: white;
    font-weight: bold;
    width: auto;
    background-color: #F17607;
    border-radius: 5px;
    padding: 3px 5px;
}
.courses-show-info .courses-info .courses-precondition p i{
    color: #FBDDC1;
}
.courses-show-info .courses-info h3{
    font-size: 20px;
    margin-top: 0.5em;
    color: #000000;
    word-wrap: normal;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.courses-show-info .courses-info .courses-price{
    background-color: #FFF5EC;
    height: 64px;
    line-height: 64px;
    padding-left: 1em;
    margin: 1em 0;
    font-size: 14px;
    color: #333333;
}
.courses-show-info .courses-info .courses-price span:nth-of-type(2){
    font-size: 14px;
    color: #FF5B26;
    margin-left: 4.5em;
}
.courses-show-info .courses-info .courses-price b{
    font-size: 30px;
    color: #FF5B26;
}
.courses-show-info .courses-info .watch-list{
    margin-top: 1em;
}
.courses-show-info .courses-info .total-div{
    margin-top: 1em;
}
.courses-show-info .courses-info .total-div span{
    margin-right: 2em;
}
.courses-show-info .courses-info p{
    margin-bottom: 0.5em;
}
.courses-show-info .courses-info p font{
    margin-left: 1em;
}
.courses-show-info .courses-info .courses-enter{
    margin-top: 2em;
    display: inline-block;
}
.courses-show-info .courses-info .courses-enter a{
    float: left;
    width: 240px;
    height: 48px;
    background-image: url( ../images/buy_button.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    font-size: 20px;
    color: white;
    text-align: center;
    line-height: 48px;
}
.courses-show-info .courses-info .courses-enter .courses-collect{
    float: right;
    margin-left: 3.5em;
    cursor: pointer;
    margin-top: 10px;
}
.courses-show-info .courses-info .courses-enter .courses-collect i{
    font-size: 25px;
    color: #F39819;
    vertical-align: middle;
}
.courses-show-info .courses-info .courses-enter span{
    font-size: 14px;
    color: #FF8000;
    margin-left: 10px;
}
.courses-show-info .info-right{
    height: 342px;
}
.courses-show-info .info-right .title{
    height: 50px;
    border-bottom: #EEEEEE solid 1px;
    line-height: 50px;
    background-image: url( ../images/show_bgm.png);
    background-repeat: no-repeat;
    background-size: 39px 40px;
    background-position: 5px 10px;
    padding-left: 50px;
}
.courses-show-info .info-right .courses-teacher-info{
    border-bottom: #EEEEEE solid 1px;
    padding: 10px;
    display: inline-block;
    width: 100%;
    height: 130px;
}
.courses-show-info .info-right .courses-teacher-info .avatar-div{
    float: left;
    width: 75px;
    height: 75px;
}
.courses-show-info .info-right .courses-teacher-info .avatar-div img{
    width: 75px;
    height: 75px;
    border-radius: 50%;
}
.courses-show-info .info-right .courses-teacher-info .teacher-info{
    margin-left: 85px;
}
.courses-show-info .info-right .courses-teacher-info .teacher-info h3{
    font-size: 16px;
    color: #333333;
    font-weight: bold;
}
.courses-show-info .info-right .courses-teacher-info .teacher-info p{
    font-size: 14px;
    color: #666666;
}
.courses-show-info .info-right .courses-teacher-info .teacher-info p span{
    font-size: 12px;
}
.courses-show-info .info-right .teacher-brief{
    padding: 1em;
    font-size: 14px;
    height: 100px;
    border-bottom: #EEEEEE solid 1px;
}
.courses-show-info .info-right .teacher-brief p{
    font-size: 12px;
}
.courses-show-info .info-right .teacher-brief a{
    color: #007FFF;
}
.courses-show-info .info-right .recruit-number{
    height: 70px;
    line-height: 35px;
    text-align: center;
    font-size: 14px;
    color: #333333;
    background-color: #FFEDE0;
}
.courses-show-info .info-right .recruit-number p:nth-of-type(2){
    color: #FF6E00;
}
.courses-show-info .info-right .residue-number{
    height: 70px;
    line-height: 35px;
    text-align: center;
    font-size: 14px;
    color: #333333;
}
.courses-show-info .info-right .residue-number p:nth-of-type(2){
    color: #4EB59D;
}
.grey-line{
    width: 100%;
    height: 15px;
    background-color: #EEEEEE;
}
.courses-content{
    width: 100%;
    height: 100%;
}
.courses-content img{
    max-width: 100%;
}
.courses-content .tab-div{
    width: 100%;
    height: 36px;
    border-bottom: #CCCCCC solid 1px;
    margin-top: 1em;
}
.courses-content .tab-div a{
    float: left;
    width: 133px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    font-size: 16px;
    color: #666666;
    cursor: pointer;
}
.courses-content .tab-div a.layui-this{
    background-image: url( ../images/show_tab.png);
    background-repeat: no-repeat;
    background-size: 133px 36px;
    color: white;
}
.courses-content [class^="layui-tab-"]{
    padding: 1em;
    line-height: 30px;
    font-size: 14px;
}
.courses-content .courses-appraise{
    display: inline-block;
    width: 100%;
}
.courses-content .courses-appraise [class^="layui-col"]:nth-of-type(1){
    color: #333333;
}
.courses-content .courses-appraise [class^="layui-col"]:nth-of-type(2) a{
    font-size: 12px;
    color: #FB0101;
}
.courses-content .courses-appraise .div-list{
    margin-top: 0.5em;
}
.courses-content .courses-appraise [class^="layui-col"] .list-img{
    float: left;
    width: 35px;
    height: 35px;
    margin-left: 0.5em;
}
.courses-content .courses-appraise [class^="layui-col"] .list-img img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.courses-content .courses-appraise [class^="layui-col"] .list-name{
    text-align: left;
    margin-left: 48px;
}
.courses-content .courses-appraise [class^="layui-col"] .list-name p{
    margin-top: 0.3em;
}
.courses-content .courses-appraise .list-content{
    margin-top: 15px;
    font-size: 14px;
    color: #000;
    line-height: 22px;
    padding: 0 0.8em;
}
.content_play{
    background-image:url( ../images/video05.png);
    background-repeat: no-repeat;
    color: #FF9900;
    float: right;
    height: 25px;
    width: 50px;
    line-height: 25px;
    border: 1px solid #FFCC00;
    border-radius: 50px;
    padding-left: 25px;
    background-size: 15px 15px;
    background-position: 5px;
    font-size: 14px;
    margin-right: 1em;
}
.documents_play{
    color: #FF9900;
    float: right;
    height: 25px;
    line-height: 25px;
    width: 60px;
    border: 1px solid #FFCC00;
    border-radius: 50px;
    text-align: center;
    margin-left: 1em;
}
.courses-content .courses-ul li{
    border-bottom: dashed 1px #ddd;
    display: inline-block;
    width: 100%;
}
.courses-content .courses-ul li a{
    float: left;
    padding:10px;
    font-size: 14px;
    color: #000;
    background-size: 15px auto;
    width: 90%;
    word-wrap: normal;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.courses-content .courses-ul li a font{
    color: #18ba95;
    padding-left: 10px;
}
.courses-content .courses-ul li span{
    float: left;
    font-size: 13px;
    margin-top: 1em;
}
.courses-ul [class^="layui-col"] a em{
    background-color: #FF7F00;
    color: white;
    padding: 5px;
    border-radius: 5px;
    font-style: normal;
}
/*课程详情页 end*/
/*视频播放 star*/
.courses-video-box{
    width: 90%;
    margin: 0 auto;
    background-color: #000000;
    padding: 2em 0;
}
.courses-video-box .video-show{
    width: 100%;
    margin-right: 360px;
    margin: 0 auto;
}
.courses-video-box .video-show-info{
    margin-top: 1em;
    padding: 0 10px;
}
.courses-video-box .video-show-info h2{
    font-size: 18px;
    color: white;
}
.courses-video-box .video-show-info p{
    color: #999999;
    margin-top: 1em;
    font-size: 14px;
}
.courses-video-box .recommend_list{
    padding-right: 1%;
    width:24%;
    min-height: 800px;
    position:relative;
    display:block;
    box-sizing:border-box;
    float:right;
    background-color:#202020;
    margin-top: 10px;
}
.courses-video-box .recommend_list .recommend{
    width: 100%;
    height: 50px;
    border-bottom: #FFFFFF solid 1px;
}
.courses-video-box .recommend_list .recommend p{
    color: #FF7F00;
    border-bottom: #FF7F00 solid 1px;
    width: 127px;
    height: 50px;line-height: 50px;
    text-align: center;
}
.courses-video-box .recommend_list ul{
    margin-top: 1em;
}
.courses-video-box .recommend_list ul li{
    cursor: pointer;
    margin-top: 1em;
    display: inline-block;
    width: 100%;
    padding-left: 0.5em;
}
.courses-video-box .recommend_list ul li a{
    display: block;
    width: 100%;
    color: #CCCCCC;
    word-wrap: normal;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
.courses-video-box .recommend_list ul li .list-info{
    margin-left: 145px;
}
.courses-video-box .recommend_list ul li .list-info h2{
    font-size: 16px;
    color: white;
    line-height: 25px;
}
.courses-video-box .recommend_list ul li .list-info p{
    margin-top: 1.3em;
    color: white;
}

/*视频播放 end*/
/*
+-+-+ courses end +-+-+
 */