html, body {
	height: 100%;
}
.main {
	width: 100%;
	background: #fff;
	padding-top: 59px;
	box-sizing: border-box;
	height: 100%;
	background: url(../../images/static/cs-center-bg.jpg) no-repeat center top;
	background-size: 100% auto; 
	min-height: 700px;
	min-width: 1200px;
}
.main_bn {
	padding: 50px 0;
	overflow: hidden;
	width: 1200px;
	margin: 0 auto;
}
.main_title {
	font-size: 32px;
	text-align: center;
	color: #333;
}
.main_unit_box {
	width: 1200px;
	margin-top: 50px;
	overflow:  hidden;
}
.main_unit {
	width: 340px;
	overflow: hidden;
	float: left;
	height: 500px;
	position: relative;
}
.main_unit_icon {
	height: 90px;
	width: 90px;
	margin: 0 auto;
}
.main_unit_icon img {
	height: 90px;
	width: 90px;
	-webkit-filter: grayscale(1);
}
.main_unit_name {
	text-align: center;
	font-weight: normal;
	color: #333;
	font-size: 22px;
	margin-top: 30px;
}
.main_unit_text {
	font-size: 14px;
	line-height: 1.6;
	color: #333;
	margin-top: 15px;
	text-align: center;
}
.go_apply {
	height: 34px;
	width: 120px;
	font-size: 15px;
	color: #0E89DF;
	line-height: 34px;
	text-align: center;
	position: absolute;
	bottom: 100px;
	left: 0;
	right: 0;
	margin: 0 auto;
	display: block;
	border: 1px solid #0E89DF;
}