.banner{width: 100%;height: 724px;background: url(../img/beibeivideo/banner.png) no-repeat center;background-size: 1920px 724px;}.contentBg{width: 100%;height: 1373px;background: url(../img/beibeivideo/background.png)repeat-y center;background-size: 1920px 578px;}.content{width: 1200px;margin: 0 auto;}.contentLoop{height: 70px;line-height: 70px;font-size: 14px;color: #666;}.videoBox{width: 1200px;margin: 0 auto;height: 1102px;background: #fff;}.shipKang{width: 1133px;height: 693px;background: #dbdbdb;margin: 0 auto;}.videoListBox{width: 100%;margin-top: 50px;position: relative;}.videoListBoxC{width:1055px;height: 226px;margin: 0 auto;}.preBtn{position: absolute;width: 25px;height: 40px;left: 22px;top: 89px;background: url(../img/beibeivideo/_.png) no-repeat center;transform: rotate(180deg);cursor: pointer;}.nexBtn{position: absolute;width: 25px;height: 40px;right: 22px;top: 89px;background: url(../img/beibeivideo/_.png) no-repeat center;cursor: pointer;}.videoD{width: 100%;height: 63px;background: rgba(0,0,0,0.6);position: absolute;bottom:0;left: 0;}.videoD1{font-size: 16px;color: #fff;text-align: center;line-height: 35px;height: 35px;letter-spacing: 2px;}.videoD2{font-size: 13px;color: #fff;text-align: center;line-height: 29px;height: 29px;letter-spacing: 2px;}