.banner_top {
	height: 687px;
	background: url(../images/iczwgk_xqbg.jpg) no-repeat center;
	/* position: relative; */
}
.backindex {
	float: right;
	margin-top: 46px;
}
@media (max-width: 1023px) {
	.banner_top {
			position: relative;
		}
	
		/* .banner_top a{position: absolute;} */
		.banner_top a {
			width: 18%;
			margin-right: 8%;
			margin-top: 0%;
			display: block;
		}
	
		.container {
			width: 94%;
		}
	
		.banner_top {
			height: 10rem;
			background-size: 100% 100%;
			margin-bottom: 30px;
		}
}