.course-main-wraper{
    background-color: #222;
}
.course-main-wraper .playnow{
    display: inline-block;
    background-color: #ff701d;
    color:#fff;
    padding: 0 5px;
    border-radius: 4px;
    margin-left: 15px;
}
.course-main{
    height: 600px;
}


.course-main-left{
    width: 72%;
    float: left;
    
}
.course-main-play{
    position: relative;
    height: 100%;
    background-color: #000;
}

.course-main-right{
    width: 28%;
    float: right;
    position: relative;
    height: 100%;
    background-color: #1b1b1b;
}

.course-main-catalog{
    
    border-top: 1px solid #3b3b3b;
}
.course-main-catalog__title{
    height: 40px;
    line-height: 40px;
    border-bottom: 1px solid #3b3b3b;
    font-size: 15px;
    color:#fff;
    padding: 0 15px;
}
.course-main-catalog .ks-catalog-period{
    background: none;
}
.course-main-catalog  .ks-catalog-title{
    border-bottom: 0px;
    font-size: 12px;
    color:#ccc;
}
.course-main-catalog .ks-catalog-title__th{
    height: 30px;
    line-height: 30px;
}
.course-main-catalog .ks-catalog-title__type0{
    background: none;
    padding-right: 0px;
}

.name-bdshare { font-size: 14px; height: 70px; line-height: 70px; } 
.name-bdshare .c_zan,
.name-bdshare .c_collect { float:right; margin:0 10px; color:#999; cursor: pointer; } 
.name-bdshare .c_zan i,
.name-bdshare .c_collect i { margin-right:3px; float:left; color:#999; } 
.name-bdshare .c_zan .zaned { color:#f5c921; } 
.name-bdshare .c_collect .collected { color:#f26c60; } 
.name-bdshare .c_collect { margin-right:0; } 

.name-bdshare .course-code { position: relative; color:#999; vertical-align: middle; cursor: pointer; } 
.name-bdshare .course-code i { vertical-align:middle; margin-right:5px; } 
.name-bdshare .course-code__img { position: absolute; bottom: 30px; left: -50px; z-index: 9; display: block; border: 1px solid #eee; background: #fff; padding: 10px; display: none; } 
.name-bdshare .course-code__img img { display: block; width:120px; height:120px; } 
.name-bdshare .course-code:hover .course-code__img { display:block; }