/*����*/

.clearfix:after {visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0;}
.clearfix {zoom:1;}

/*�����ʽ*/
.poster-main{position: relative;width: 900px;height: 270px}
.poster-main a,.poster-main img{display:block;}
.poster-main .poster-list{width: 900px;height: 270px}
.poster-main .poster-list .poster-item{position: absolute;left: 0px;top: 0px}
.poster-main .poster-btn{position: absolute;height: 100%;width:100px;top: 0px;z-index: 10;opacity: 0.3;}
.poster-main .poster-prev-btn{left: 0px;}
.poster-main .poster-next-btn{right: 0px;}