.zzsc{ margin-top:20px;}
.poster-main{position: relative;width: 320px;height: 180px;}
.poster-main a,.poster-main img{display:block;}
.poster-main .poster-list{width: 320px;height: 180px}
.poster-main .poster-list .poster-item{position: absolute;left: 0px;top: 0px; overflow:hidden;}
.poster-main .poster-btn{position: absolute;height: 100%;width:100px;top: 0px;z-index: 10;}
/*.poster-main .poster-prev-btn{left: 2px;background:url(../images/prev.png) no-repeat center center;}*/
/*.poster-main .poster-prev-btn:hover{ background:url(../images/prev_1.png) no-repeat center center;}*/
/*.poster-main .poster-next-btn{right: 0px;background:url(../images/next.png) no-repeat center center;}*/
/*.poster-main .poster-next-btn:hover{ background:url(../images/next_1.png) no-repeat center center;}*/
.poster-item img{ height:160px;}