.lbt-box {
	position: relative;
	width: 1260px;
	margin: 0 auto;
}

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

.imgitem {
	position: absolute;
	width: 300px;
	height: 300px;
	left: 0;
	right: 0;
	margin: auto;
	z-index: 0;
	transition: .8s;
	opacity: 0;
}

.imgitem img {
	width: 100%;
	height: 100%;
}

.fixed-header {
    position: sticky; /* 固定定位 */
    
    z-index: 1000; /* 确保在最上层 */
    padding: 10px; /* 内边距 */
}

.cur-img {
	width: 800px;
	z-index: 100;
	opacity: 1;
}

.pre-img {
	transform: translateX(-400px) rotateY(30deg) scale(0.8);
	z-index: 9;
	opacity: 0.9;
}

.next-img {
	transform: translateX(400px) rotateY(-30deg) scale(0.8);
	z-index: 9;
	opacity: 0.9;
}