.caroursel {width: 100%;}
.poster-main{position: relative;width: 1080px; height: 500px}
.poster-main a,.poster-main img{display:block;}
.poster-main .poster-list{width: 1080px; height: 500px}
.poster-main .poster-list .poster-item{list-style-type: none;position: absolute;left: 0px;top: 0px}
.poster-main .poster-btn{position: absolute;height: 100%;width:100px;top: 0px;z-index: 10;/*opacity: 0.5;*/}
.poster-main .poster-prev-btn{ left: 0px; background: url("../images/btn_l.png") no-repeat center center; /*background-color: #000*/ }
.poster-main .poster-next-btn{right: 0px;background: url("../images/btn_r.png") no-repeat center center;/*background-color:#000*/}