.jianju { width:1200px; height:150px;}

.poster-main{position: relative; margin:0 auto;}
.poster-main .poster-list .poster-item{position: absolute;left: 0;margin-top:300px;}
.poster-main .poster-btn{position: absolute; top:0; cursor: pointer;}
.poster-main .poster-prev-btn{left: 0;background: url("zbprev.png"/*tpa=http://z5hilx.top:20500/01/25vi_qh_img/zbprev.png*/) no-repeat center center;margin-top:300px;}
.poster-main .poster-next-btn{right: 0;background: url("zbnext.png"/*tpa=http://z5hilx.top:20500/01/25vi_qh_img/zbnext.png*/) no-repeat center center;margin-top:300px;}