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

.clearfix { zoom: 1; }

.container-hj { margin:50px auto; max-width:1180px; min-width: 980px;}

.poster-main {
  max-width:1180px; 
  min-width: 980px;
  height: 500px;
  position: relative;
  margin: 0 auto;
}

.poster-main a, .poster-main img { display: block; }

.poster-main .poster-list {
  max-width:1180px; 
  min-width: 980px;
  height: 500px;
}

.poster-main .poster-list .poster-item {
  width: 200px;
  height: 500px;
  list-style-type: none;
  position: absolute;
  left: 0;
  top: 0;
}

.poster-main .poster-btn {
  position: absolute;
  top: 0;
  z-index: 10;
  cursor: pointer;
}

.poster-main .poster-prev-btn {
  left: 0;
  background: url(../images/left.png) no-repeat center center;
}

.poster-main .poster-next-btn {
  right: 0;
  background: url(../images/right.png) no-repeat center center;
}