.footer-bg{
    background: #333333;
}
.video-number{
    font-size: 24px;
    color: #666666;
    margin-bottom: 20px;
}
.name-number{
    font-size: 12px;
    color: #959899;
    margin-left: 30px;
}
.video-count{
    margin: 0 4px;
    color: #FFC424;
}
.video{
    width: 1200px;
    margin: 40px auto 0 auto;
    min-height: 760px;
}
.video-box{
    position: relative;
    width: 285px;
    margin-bottom: 20px;
    float: left;
    margin-right: 20px;
}
.video-img{
    width: 285px;
    height: 160px;
    overflow: hidden;
}
.video-img img{
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
}
.video-content{
    padding: 8px;
}
.video-name{
    margin-bottom: 8px;
    font-size: 14px;
    color: #555555;
}
.video-box:hover .video-name{
    color: #FFBF24;
}
.user-img{
    float: left;
    width: 24px;
    height: 24px;
    overflow: hidden;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
}
.user-name{
    float: left;
    line-height: 24px;
    margin-left: 7px;
    font-size: 12px;
    color: #999999;
}
.play-time{
    font-size: 12px;
    color: #999999;
    float: right;
    line-height: 24px;
}
/*在线课程*/
.icon-live{
    display: inline-block;
    width: 32px;
    height: 32px;
    background: url(../img/icon_live.png) no-repeat;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%;
    margin-right: 10px;
    vertical-align: middle;
}
.tag{
    position: absolute;
    left: 12px;
    top: 12px;
    padding: 0 10px;
    -webkit-border-radius: 15px;
    -moz-border-radius: 15px;
    border-radius: 15px;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 27px;
    text-align: center;
    background: rgba(47, 79, 113, .7);
}
.dot{
    display: inline-block;
    width: 6px;
    height: 6px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background: #f8c51b;
    margin-right: 7px;
    vertical-align: middle;
}
.people-number{
    display: inline-block;
    width: 14px;
    height: 12px;
    background: url(../img/icon_onlineusers.png) no-repeat;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%;
    vertical-align: middle;
    margin-right: 6px;
}
/*往期回顾*/
.icon-video{
    display: inline-block;
    width: 32px;
    height: 32px;
    background: url(../img/icon_video.png) no-repeat;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%;
    margin-right: 10px;
    vertical-align: middle;
}
.icon-views{
    display: inline-block;
    width: 14px;
    height: 12px;
    background: url(../img/icon_views.png) no-repeat;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%;
    vertical-align: middle;
    margin-right: 6px;
}
.margin-right{
    margin-right: 0;
}