.poster-main {
	position: relative;
	margin: 0 auto;
}
.poster-main .poster-list .poster-item {
	position: absolute;
	left: 0;
	top: 0;
	overflow: hidden;
}
.poster-main .poster-list .poster-item img{
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	margin: 0 auto;
}
.poster-main .poster-btn {
	position: absolute;
	top: 0;
	cursor: pointer;
}
.poster-main .poster-prev-btn {
	left: 0;
	background: url("../images/btn_l.png") no-repeat center center;
}
.poster-main .poster-next-btn {
	right: 0;
	background: url("../images/btn_r.png") no-repeat center center;
}