.lbt-box {
	position: relative;
	width: 1000px;
	height: 370px;
	margin: 0 auto 45px;
	font-size: 16px;
	font-family: Arial, Helvetica, sans-serif;
}

.imgs {
	width: 100%;
	height: 100%;
	perspective: 1000px;
}

.imgitem {
	position: absolute;
	width: 400px;
	height: 370px;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	z-index: 0;
	transition: .8s;
	opacity: 0;
	text-align: center;
}

.imgitem img {
	width: 100%;
	height: 100%;
	margin-bottom: 10px;
}
.imgitem a {
	color: #333;
	text-decoration: none;
}
.cur-img {
	width: 640px;
	z-index: 100;
	opacity: 1;
}

.pre-img {
	transform: translateX(-320px) rotateY(30deg) scale(0.8);
	z-index: 9;
	opacity: 0.9;
}

.next-img {
	transform: translateX(320px) rotateY(-30deg) scale(0.8);
	z-index: 9;
	opacity: 0.9;
}
button {
	width: 50px;
	height: 50px;
	border: none;
	background: rgba(255, 255, 255, .6);
	font-size: 32px;

	color: #333;
	cursor: pointer;
}
.pre {
	position: absolute;
	left: 0;
	top: 44%;
	z-index: 9;
}
.next {
	position: absolute;
	right: 0;
	top: 44%;
	z-index: 9;
}