/*旋转木马必要样式*/
.poster-main{ position:relative;width:1000px;height:432px; margin:40px auto 0;}
.poster-main a,.poster-main img{display:block;}
.poster-main .poster-list{width:1000px;height:432px;}
.poster-main .poster-list .poster-item{ position:absolute;left:0; top:0;overflow: hidden; }
.poster-main .poster-list .poster-item a img{display: block;}
.poster-main .poster-btn{ position:absolute;width:100px;height:432px; z-index:10; cursor:pointer;border: 1px solid #f2f2f2;  /*opacity:0.8*/}
.poster-main .poster-prev-btn{left:-115px; }
.poster-main .poster-next-btn{right:-115px; }