.clearfix:after{visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0}
.clearfix{zoom:1}
.poster-main{position:relative;width:900px;height:555px}
.poster-main a,
.poster-main img{display:block}
.poster-main .poster-list{width:900px;height:444px}
.poster-main .poster-list .poster-item{position:absolute;left:0;top:0}
.poster-main .poster-btn{position:absolute;height:100%;width:50px!important;top:0;z-index:10;}
.poster-main .poster-prev-btn{right:0;background:url(../img/yb-btn-right.png) no-repeat center center}
.poster-main .poster-next-btn{left:0;background:url(../img/yb-btn-left.png) no-repeat center center}