/***************************视频介绍页 start**************************************************************/
#video_box{
    width:100%;
    background:#fff;
}
.video_up{
    width:1200px;
    background:#fff;
    padding:10px 20px 20px;
    margin:20px auto;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.video_up_nr{
    width:100%;
    margin-top:15px;
    overflow:hidden;
}
.video_up_l{
    float:left;
    position:relative;
    width:550px;
    height:367px;
    overflow:hidden;
}
.video_up_l img{
    width:550px;
    height:367px;
}
.video_up_l span{
    position:absolute;
    top:0;
    left:0;
    width:550px;
    height:367px;
    background:rgba(0,0,0,0.1);
    overflow:hidden;
    z-index:1;
}
.video_up_l a{
    position:absolute;
    top:50%;
    left:50%;
    margin:-27px 0 0 -100px;
    width:200px;
    height:54px;
    line-height:54px;
    background:#fff;
    border-radius:30px;
    font-size:16px;
    text-align:center;
    box-shadow:0 2px 8px 0 rgba(0, 0, 0, 0.3);
    transition:all .3s;
    overflow:hidden;
    z-index:2;
}
.video_up_l a i{
    font-size:22px;
    vertical-align:-2px;
}
.video_up_l a:hover{
    color:#333;
    background:rgba(255,255,255,0.8);
}
.video_up_r{
    float:right;
    width:550px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.video_up_r h2{
    width:100%;
    height:40px;
    line-height:40px;
    font-size:24px;
    overflow:hidden;
}
.mess{
    width:100%;
    background:#f4f4f4;
    padding:10px 20px;
    margin-top:20px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.mess p{
    float:left;
    width:50%;
    height:30px;
    line-height:30px;
    overflow:hidden;
}
.mess span{
    float:left;
    width:70px;
    overflow:hidden;
}
.mess i{
    float:left;
}
.mess i.icon_sc{
    width:22px;
    height:22px;
    background:url("../images/icon_collect.png") no-repeat center;
    background-size:cover;
    vertical-align:middle;
    margin:4px 0;
    overflow:hidden;
    cursor:pointer;
}
.mess i.icon_sc.icon_sc2{
    background:url("../images/icon_collect2.png") no-repeat center;
    background-size:cover;
}
.video_up_r .jianjie{
    width:100%;
    margin:20px 0;
    height:100px;
    overflow: hidden;
    line-height:25px;
    color: #999;
    text-indent: 2em;
}
.video_up_r a{
    display:block;
    width:200px;
    height:50px;
    line-height:50px;
    background:#424562;
    color:#fff;
    font-size:16px;
    text-align: center;
    overflow:hidden;
}
.video_up_r a:hover{
    background:#535885;
}

/*课程目录*/
.video_zong{
    width:1200px;
    background:#fff;
    padding:10px 20px;
    margin-bottom:20px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.video_wz{
    float:left;
    width:850px;
    padding:10px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.video_btn{
    width:100%;
    height:42px;
    line-height:42px;
    border-bottom:2px solid #424562;
}
.video_btn a{
    float:left;
    width:100px;
    font-size:15px;
    text-align:center;
    background:#fff;
    margin-right:20px;
    overflow:hidden;
}
.video_btn a.v_line{
    color:#424562;
    border:2px solid #424562;
    border-top-width:5px;
    border-bottom: 2px solid #fff;
    margin-top:-5px;
}
.video_all{
    width:100%;
    overflow:hidden;
}
.video_list{
    width:100%;
    overflow:hidden;
    display:none;
}
.video_item{
    width:100%;
    margin:20px 0;
    overflow:hidden;
}
.video_item li{
    width:100%;
    overflow:hidden;
}
.video_title{
    width:100%;
    height:60px;
    line-height:60px;
    background:#f4f4f4;
    padding:0 15px;
    overflow:hidden;
    cursor:pointer;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.video_title img{
    float:left;
    width:24px;
    height:24px;
    margin:19px 0;
}
.video_title h2{
    display:inline-block;
    width:620px;
    font-size:16px;
    margin-left:15px;
    overflow:hidden;
}
.video_title span{
    float:right;
}
.video_download{
    width:100%;
    overflow:hidden;
    display:none;
}
.video_download a{
    display:block;
    width:100%;
    height:60px;
    line-height:60px;
    font-size:15px;
    border-bottom:1px solid #f8f8f8;
    padding:0 20px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.video_download a i{
    float:left;
}
.video_download a span{
    float:left;
    width:650px;
    font-size:15px;
    margin-left:10px;
    overflow:hidden;
}
.video_download a p{
    float:right;
    line-height:60px;
    color:#999;
}
.video_download a:hover{
    color:#424562;
}

.v_jianjie_one{
    width:100%;
    margin-top:20px;
    overflow:hidden;
}
.v_jianjie_one h3{
    width:100%;
    height:60px;
    line-height:60px;
    background:#f4f4f4;
    padding:0 15px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.v_jianjie_one h3 i{
    color:#4a9ff5;
    margin-right:10px;
}
.v_jianjie_one>p{
    width:100%;
    padding:15px 10px 0;
    line-height:30px;
    overflow: hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.v_jianjie_one .v_teacher{
    width:100%;
    margin:20px 0;
    overflow:hidden;
}
.v_teacher a{
    float:left;
    width:90px;
    height:90px;
    border-radius:50%;
    overflow:hidden;
}
.v_teacher a img{
    width:90px;
    height:90px;
}
.v_teacher p{
    float:left;
    width:720px;
    padding:15px 0;
    margin-left:20px;
    overflow:hidden;
}
.v_teacher p i{
    display:block;
    width:100%;
    height:30px;
    line-height:30px;
    overflow:hidden;
}
.v_teacher p span{
    display:block;
    width:100%;
    line-height:30px;
    overflow:hidden;
}
/*考试信息 start*/
.exam_msg{
    width:100%;
    margin:20px 0;
    overflow:hidden;
}
.exam_msg li{
    width:100%;
    border-bottom:1px solid #eee;
    overflow:hidden;
}
.exam_download{
    width:100%;
    padding:10px 20px;
    overflow:hidden;
    display:none;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.exam_download h3{
    width:100%;
    line-height:40px;
    font-size:16px;
    overflow:hidden;
}
.exam_download p{
    width:100%;
    line-height:30px;
    font-size:14px;
    overflow:hidden;
}
.video_title2 img{
    width:22px;
    height:22px;
    margin:19px 0;
}
/*考试信息 end*/

/*相关课程 start*/
.video_tj{
    float:right;
    width:270px;
    overflow:hidden;
}
.video_tj h2{
    width:100%;
    height:40px;
    line-height:40px;
    font-size:16px;
    border-bottom:1px solid #e9e9e9;
    margin-bottom:10px;
    overflow:hidden;
}
.for_list{
    width:100%;
    overflow:hidden;
}
.for_list li{
    width:100%;
    margin-bottom:15px;
    overflow:hidden;
}
.for_list li a{
    display:block;
    width:100%;
    overflow:hidden;
}
.for_list li img{
    float:left;
    width:130px;
    height:90px;
}
.for_list li p{
    float:right;
    width:130px;
    padding:10px 0;
    overflow:hidden;
}
.for_list li p span{
    display:block;
    width:100%;
    max-height:50px;
    line-height:25px;
    overflow:hidden;
}
.for_list li p i{
    font-size:13px;
    color:#999;
}
/*相关课程 end*/
.exam_table a.watch {
    color: #ff982a;
}
/***************************视频介绍页 end**************************************************************/