/*--banner--*/
.banner{
	width: 100%;
	height: auto;
	min-height: 200px;
}
.banner>img {
	width: 100%;
}
.banner{
	position: relative;
}
.banner .ling{
	height: 40px;
	width: 40px;
	background: #fff;
	position: absolute;
	bottom: -20px;
	left: 50%;
	margin-left: -20px;
	transform:rotate(45deg);
	-ms-transform:rotate(45deg); /* Internet Explorer */
	-moz-transform:rotate(45deg); /* Firefox */
	-webkit-transform:rotate(45deg); /* Safari 和 Chrome */
	-o-transform:rotate(45deg); /* Opera */
}

.contactUs-grids-info img{
	display: block;
	margin: 0 auto;
	width: 100%;
}