.main{
    margin-bottom: 70px;
}
.aaa{
    float: right;
    width: 81px;
    height: 30px;
    font-size: 15px;
    line-height: 30px;
    color: #ffffff;
    padding-left: 38px;
    border-radius: 30px;
    /*border: 1px #fc2139 solid;*/
    background: #fc2139 url(../../../images/front/fmmm/xq_dy_icon2.png) no-repeat 10px center;
    background-size: 20px 17px;
    margin-left: 14px;
    cursor: pointer;
}
.main nav span{
    color: #909090;
    line-height: 40px;
    margin-left: 20px;
    cursor: pointer;
    position: relative;
    font-size: 12px;
}
.main nav span:before{
    content: ">";
    font-size: 12px;
    color: #909090;
    line-height: 42px;
    position: absolute;
    width: 20px;
    text-align: center;
    position: absolute;
    left: -20px;
    top: 0;
}
.main nav span:first-child{
    margin-left: 0;
    padding-left: 20px;
    background: url(../../../images/front/fmmm/all_lj_icon.png) left center no-repeat;
    background-size: 15px;
    font-size: 12px;
}
.main nav span:first-child:before{
    display: none;
}
.content-box .card .card-top .video-box{
    width: 840px;
    height: 518px;
    background-color: #000;
}
.content-box .card .card-top .video-box video{
    width: 100%;
    height: 100%;
}
.content-box .card .card-top .list-box{
    width: 360px;
}
.content-box .card .card-top .list-box .list-head{
    background-color: #363636;
    border-bottom: 1px solid #505050;
    width: 100%;
}
.content-box .card .card-top .list-box .list-head span{
    padding: 0 14px;
    line-height: 52px;
    color: #ccc;
    font-size: 16px;
    position: relative;
    cursor: pointer;
}
.content-box .card .card-top .list-box .list-head span:before{
    content: "";
    width: 0;
    height: 0;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 6px solid #fc2139;
}
.content-box .card .card-top .list-box .list-head span.active{
    color: #fc2139;
}
.content-box .card .card-top .list-box .wrap{
    background-color: #313131;
    height: 465px;
    overflow-y: auto;
}
.content-box .card .card-top .list-box .wrap::-webkit-scrollbar{
    width: 6px;
}
.content-box .card .card-top .list-box .wrap::-webkit-scrollbar-thumb{
    border-radius: 5px;
    background-color: #272727;
}

.content-box .card .card-top .list-box .wrap .items{
    /*line-height: 45px;*/
    position: relative;
    background-color: transparent;
    color: #909090;
    padding-left: 36px ;
    margin-bottom: 10px;
    cursor: pointer;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.content-box .card .card-top .list-box .wrap .items:before{
    content: "";
    width: 7px;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background-color: transparent;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.content-box .card .card-top .list-box .wrap .items:after{
    content: "";
    width: 21px;
    height: 22px;
    background: url(../../../images/front/fmmm/tuijian.gif) center no-repeat;
    background-size: 21px;
    position: absolute;
    right: 24px;
    top: 0;
    bottom: 0;
    margin: auto;
    opacity: 0;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.content-box .card .card-top .list-box .wrap .items-on,
.content-box .card .card-top .list-box .wrap .items:hover{
    background-color: #3a3a3a;
    color: #fc2139;
}
.content-box .card .card-top .list-box .wrap .items-on:before,
.content-box .card .card-top .list-box .wrap .items:hover:before{
    background-color: #fc2139;
    color: #fc2430;
}
.content-box .card .card-top .list-box .wrap .items-on:after,
.content-box .card .card-top .list-box .wrap .items:hover:after{
    opacity: 1;
}
.content-box .card .card-top .list-box .wrap .items em{
    width: 30px;
    font-size: 14px;
}
.content-box .card .card-top .list-box .wrap .items label{
    width: 230px;
    font-size: 14px;
    cursor: pointer;
}
.content-box .card .card-bottom{
    background-color: #fff;
    padding: 20px 24px 24px;
}
.content-box .card .card-bottom h3{
    line-height: 32px;
    color: #333;
    font-size: 20px;
}
.content-box .card .card-bottom .operation{
    margin-top: 10px;
}
.pattern{
    float: right;
    width: 81px;
    height: 30px;
    font-size: 15px;
    line-height: 30px;
    color: #fff;
    padding-left: 38px;
    border-radius: 30px;
    background: #fc2139 url(../../../images/front/fmmm/xq_qiehuan_icon.png) no-repeat 17px center;
    margin-left: 14px;
    cursor: pointer;
}
.pattern-rota{
    float: right;
    width: 57px;
    height: 30px;
    font-size: 15px;
    line-height: 30px;
    color: #fff;
    padding-left: 38px;
    border-radius: 30px;
    background: #fc2139 url(../../../images/front/fmmm/xq_tl_icon.png) no-repeat 12px center;
    margin-left: 14px;
    cursor: pointer;
}
.content-box .card .card-bottom .operation span.allClass{
    font-size: 16px;
    background: url(../../../images/front/fmmm/newIcon/wenj.png) left center no-repeat;
    background-size: 19px;
    padding-left: 26px;
    color: #fc2139;
    cursor: pointer;
    margin-bottom: -1px;
    position: relative;
    top: 5px;
}
.content-box .card .card-bottom .operation .left{
    position: relative;
    top: 2px;
    display: inline-block;
}
.content-box .card .card-bottom .operation .left span{
    margin: 0 20px;
    line-height: 16px;
    font-size: 14px;
    color: #909090;
    background-position: left center;
    background-repeat: no-repeat;
    position: relative;
    margin-top: 10px;
    padding-left: 20px;
    cursor: pointer;
}
.content-box .card .card-bottom .operation .left span:before{
    content: "";
    width: 1px;
    height: 100%;
    background-color: #e1e1e1;
    position: absolute;
    right: -20px;
    top: 0;
}
.content-box .card .card-bottom .operation .left span:last-child:before{
    display: none;
}
.content-box .card .card-bottom .operation .left span:first-child{
    margin-left: 0;
}
.content-box .card .card-bottom .operation .left span:last-child{
    margin-right: 0;
}
.content-box .card .card-bottom .operation .left span:nth-child(1){
    background-image: url(../../../images/front/fmmm/xq_dz_normal_icon.png);
}
.content-box .card .card-bottom .operation .left span:nth-child(1).active{
    background-image: url(../../../images/front/fmmm/newIcon/zhan@2x.png);
    color: #fc2139;
}
.content-box .card .card-bottom .operation .left span:nth-child(2){
    background-image: url(../../../images/front/fmmm/xq_sc_icon.png);
}
.content-box .card .card-bottom .operation .left span:nth-child(2).active{
    background-image: url(../../../images/front/fmmm/xq_sc_pressed_icon.png);
    color: #fc2139;
}
.content-box .card .card-bottom .operation .left span:nth-child(3){
    background-image: url(../../../images/front/fmmm/xq_zf_icon.png);
}
/*.content-box .card .card-bottom .operation .left span:nth-child(4){*/
    /*background-image: url(../../../images/front/fmmm/xq_ckfj_icon.png);*/
/*}*/
.content-box .card .card-bottom .operation .left .score{
    line-height: 14px;
    margin-top: 10px;
    display: inline-block;
    margin-left: 10px;
    color: #fc2139;
}
.content-box .card .card-bottom .operation .left .score>b{
    font-weight: 200;
    color: #fc2139;
}
.tab-wrap{
    height: 70px;
    margin-top: 20px;
}
.tab-wrap .nav-box{
    border-bottom: 1px solid #e1e1e1;
    height: 69px;
    width: 1200px;
    left: 0;
    right: 0;
    top: 0;
    margin: auto;
    z-index: 5;
}
.tab-wrap .nav-box.fixed{
    position: fixed;
}
.tab-wrap .tab-items{
    width: 120px;
    height: 69px;
    border: 1px solid transparent;
    border-top: none;
    text-align: center;
    position: relative;
    cursor: pointer;
}
.tab-wrap .tab-items.active{
    border-bottom-color: #fff;
    border-right-color: #e1e1e1;
    border-left-color: #e1e1e1;
}
.tab-wrap .tab-items.active:before{
    content: "";
    width: 100%;
    height: 5px;
    background-color: #fc2139;
    position: absolute;
    top: 0;
    left: 0;
}
.tab-wrap .tab-items font{
    color: #909090;
    font-size: 14px;
    line-height: 70px;
    display: inline-block;
}
.tab-wrap .tab-items.active font{
    color: #fc2139;
    /*padding-left: 21px;*/
    /*background: url(../../../images/front/fmmm/xq_Positioning_icon.png) left center no-repeat;*/
    background-size: 17px;
    font-weight: bold;
}
.teach-box{
    background-color: #fff;
    padding: 18px 30px 30px;
    position: relative;
    margin-top: 20px;
}
.teach-box .more{
    position: absolute;
    cursor: pointer;
    font-size: 14px;
    color: #fc2139;
    right: 30px;
    padding-right: 20px;
    line-height: 20px;
    background: url(../../../images/front/fmmm/newIcon/all.png) right center no-repeat;
    background-size: 13px;
    top: 70px;
}
.teach-box .wrap{
    margin-top: 10px;
}
.teach-box .wrap .items{
    border: 1px solid #d7d7da;
    box-sizing: border-box;
    width: 180px;
    margin-right: 20px;
    height: 220px;
    position: relative;
}
.teach-box .wrap .items:last-child{
    margin-right: 0;
}
.teach-box .wrap .items img{
    width: 100%;
    height: 120px;
}
.teach-box .wrap .items .items-content{
    width: 100%;
    height: 100px;
    position: absolute;
    left: 0;
    bottom: 0;
    background-color: #fff;
    box-sizing: border-box;
    padding: 0 14px;
    text-align: center;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.teach-box .wrap .items .items-content h3{
    line-height: 26px;
    margin-top: 10px;
    color: #333;
    font-size: 14px;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.teach-box .wrap .items .items-content p{
    line-height: 20px;
    color: #909090;
    font-size: 14px;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.teach-box .wrap .items .items-content .lecturer-intro{
    display: none;
}
.teach-box .wrap .items .items-content .bottom{
    position: absolute;
    width: 100%;
    left: 0;
    /*top: 64px;*/
    bottom: 10px;
    opacity: 1;
    visibility: visible;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.teach-box .wrap .items .items-content span{
    width: 70px;
    line-height: 24px;
    border: 1px solid #fff;
    color: #fff;
    border-radius: 50px;
    font-size: 14px;
    cursor: pointer;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 15px;
    margin: auto;
    opacity: 0;
    visibility: hidden;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.teach-box .wrap .items:hover .items-content .bottom{
    opacity: 0;
    visibility: hidden;
}
.teach-box .wrap .items:hover .items-content span{
    opacity: 1;
    visibility: visible;
}
.teach-box .wrap .items:hover .items-content{
    height: 120px;
    background-color: #fc2139;
}
.teach-box .wrap .items:hover .items-content h3{
    /*line-height: 40px;*/
    margin: 0 3px;
    color: #fff;
    font-size: 18px;
}
.teach-box .wrap .items:hover .items-content p{
    color: #fff;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:3;
    white-space:initial
}
.teach-box .wrap .items:hover .items-content .lecturer-identity{
    display: none;
}
.teach-box .wrap .items .items-content .bottom h4{
    color: #fc2139;
    font-size: 16px;
    line-height: 20px;
    margin:0;
}
.teach-box .wrap .items .items-content .bottom h5{
    color: #909090;
    font-size: 12px;
    line-height: 18px;
    margin:0;
    font-weight: normal
}
.once .title h3{
    font-size: 20px;
    font-weight: bold;
    color: #333;
    line-height: 44px;
}
.once .title p{
    line-height: 32px;
    border-top: 1px solid #e1e1e1;
    color: #909090;
    line-height: 32px;
    font-size: 16px;
    letter-spacing: 3.4px;
}
.once-wrap{
    padding: 38px 30px;
    background-color: #fff;
}
.once1 .once-content{
    line-height: 28px;
    margin-top: 6px;
    color: #909090;
    font-size: 14px;
}
.once1{
    margin-bottom: 38px;
}
.once2{
    margin-bottom: 38px;
}
.once2 .wrap .items{
    padding: 0 10px 0 20px;
    background-color: #f7f7f7;
    line-height: 46px;
    margin-top: 20px;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.once2 .wrap .items:hover{
    background-color: #e7f7ff;
}
.once2 .wrap .items .btn-wrap{
    opacity: 0;
    visibility: hidden;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.once2 .wrap .items:hover .btn-wrap{
    opacity: 1;
    visibility: visible;
}
.once2 .wrap .items .btn-wrap span{
    width: 85px;
    line-height: 24px;
    margin-right: 10px;
    border: 1px solid #fc2139;
    color: #fff;
    background-color: #fc2139;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
    border-radius: 50px;
    margin-top: 10px;
}
.once2 .wrap .items .btn-wrap span:last-child{
    margin-right: 0;
    background-color: transparent;
    color: #fc2139;
}
.once2 .wrap .items em{
    width: 32px;
    font-size: 14px;
    color: #909090;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.once2 .wrap .items label{
    font-size: 14px;
    color: #909090;
    width: 700px;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.once2 .wrap .items:hover em,.once2 .wrap .items:hover label{
    color: #fc2139;
}
.once3 .title-box label{
    background-image: url(../../../images/front/fmmm/Side_wykk_icon.png)
}
.once3 .comment-box .write-box{
    border-bottom: 1px dashed #e1e1e1;
    padding: 20px 0;
}
.once3 .comment-box img.head{
    width: 48px;
    height: 48px;
    border: 1px solid #e1e1e1;
    margin-right: 10px;
    border-radius: 50px;
}
.once3 .comment-box .write-box .write{
    width: 1080px;
}
.once3 .comment-box .write-box .write .write-top{
    padding: 10px;
    background-color: #f9f8f8;
    margin-bottom: 10px;
}
.once3 .comment-box .write-box .write .write-top textarea{
    height: 44px;
    line-height: 22px;
    color: #333;
    font-size: 14px;
    margin-bottom: 8px;
    outline: none;
    border: none;
    padding: 0;
    background-color: transparent;
    width: 100%;
}
.once3 .comment-box .write-box .write .write-top .upload-img-wrap .ulload-img-items{
    width: 40px;
    height: 40px;
    position: relative;
    margin-right: 10px;
}
.once3 .comment-box .write-box .write .write-top .upload-img-wrap .ulload-img-items:last-child{
    margin-right: 0;
}
.once3 .comment-box .write-box .write .write-top .upload-img-wrap .ulload-img-items img{
    width: 100%;
    height: 100%;
}
.once3 .comment-box .write-box .write .write-top .upload-img-wrap .ulload-img-items .delete{
    width: 12px;
    height: 12px;
    position: absolute;
    background:url(../../../images/front/fmmm/x.png) right top no-repeat;
    background-size: 10px;
    background-color: rgba(0,0,0,.8);
    cursor: pointer;
    border-radius: 0 0 0 50px;
    right: 0;
    top: 0;
    opacity: .6;
    transition:all .3s;
    -moz-transition:all .3s; /* Firefox 4 */
    -webkit-transition:all .3s; /* Safari and Chrome */
    -o-transition:all .3s; /* Opera */
}
.once3 .comment-box .write-box .write .write-top .upload-img-wrap .ulload-img-items .delete:hover{
    opacity: 1;
}
.once3 .comment-box .write-box .write .write-bottom span{
    float: right;
    font-size: 14px;
    width: 70px;
    line-height: 30px;
    text-align: center;
    background-color: #fc2139;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
}
.once3 .comment-box .write-box .write .write-bottom label{
    position: relative;
    width: 18px;
    height: 16px;
    cursor: pointer;
    display: inline-block;
    overflow: hidden;
    cursor: pointer;
    margin-left: 10px;
    background: url(../../../images/front/fmmm/xq_tp_icon.png) center no-repeat;
    background-size: 18px;
}
.once3 .comment-box .write-box .write .write-bottom label input{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}
.once3 .comment-box .write-box .write .write-bottom label input:before{
    content: "";
    width: 100%;
    height: 100%;
    cursor: pointer;
    position: absolute;
    left: 0;
    top: 0;
}
.once3 .comment-box .comment-wrap .comment-items{
    margin-top: 30px;
}
.once3 .comment-box .comment-wrap .comment-items .comment{
    width: 1080px;
    padding-bottom: 30px;
    border-bottom: 1px dashed #e1e1e1;
}
.once3 .comment-box .comment-wrap .comment-items:last-child .comment{
    border-bottom: none;
    padding-bottom: 0;
}
.once3 .comment-box .comment-wrap .comment-items .comment h3{
    line-height: 26px;
    color: #333;
    font-size: 14px;
}
.once3 .comment-box .comment-wrap .comment-items .comment h4{
    line-height: 24px;
    color: #909090;
    font-size: 12px;
}
.once3 .comment-box .comment-wrap .comment-items .comment h4 span.brag{
    color: #909090;
    font-size: 14px;
    line-height: 24px;
    background: url(../../../images/front/fmmm/xq_pl_normal_icon.png) left center no-repeat;
    background-size: 17px;
    padding-left: 24px;
    float: right;
    cursor: pointer;
}
.once3 .comment-box .comment-wrap .comment-items .comment .info{
    line-height: 24px;
    padding: 16px 0 14px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .info p{
    font-size: 14px;
    color: #333;
}
.once3 .comment-box .comment-wrap .comment-items .comment .info .img-wrap img{
    margin: 14px 20px 6px 0;
    width: 120px;
    height: 120px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .info .img-wrap img:last-child{
    margin-right: 0;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box{
    background-color: #f9f9f9;
    padding: 0 20px 16px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap{
    color: #909090;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items{
    padding: 12px 0;
    border-bottom: 1px solid #e1e1e1;
    display: none;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items:nth-child(1),
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items:nth-child(2){
    display: block;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items:nth-child(2){
    border-bottom: none
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap.active .msg-items:nth-child(2){
    border-bottom: 1px solid #e1e1e1;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap.active .msg-items{
    display: block!important;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items:last-child{
    border-bottom: none;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items p{
    line-height: 20px;
    font-size: 12px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items .img-wrap img{
    margin: 11px 17px 5px 0;
    width: 100px;
    height: 100px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items .img-wrap img:last-child{
    margin-right: 0px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items .txt{
    line-height: 24px;
    font-size: 12px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items .txt label{
    color: #333;
    margin-right: 5px;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .msg-wrap .msg-items .txt em{
    color: #fc3b38;
    cursor: pointer;
}
.once3 .comment-box .comment-wrap .comment-items .comment .msg-box .spring{
    line-height: 18px;
    font-size: 14px;
    cursor: pointer;
    color: #fc3b38;
    display: inline-block;
}

.show{
    opacity:0;
    visibility: hidden;
    /*display:none;*/
}

.teach-box .wrap .items:hover .show{
    line-height: 20px;
    color: #fff;
    margin: 0;
    margin-bottom: 20px;
    /*height: 70px;*/
    opacity: 1;
    visibility: visible;
    /*display:block;*/
    font-size: 8px!important;
}
