.content {
	margin-bottom: 64px;
}

.banner {
	width: 100%;
	height: 450px;
}

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

.dangqian{
	height: 40px;
	width: 1200px; 
	margin: auto; 
	background-color: #F7F7F7; 
	line-height: 40px;
	margin-top: 20px;
	margin-bottom: -10px;
}

.main-box {
	margin: 0 auto;
	width: 1200px;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	margin-top: 30px;
	flex-wrap: wrap;
}

.mian-box-item {
	width: 290px;
	height: 160px;
	border-top: 5px solid #1C649F;
	background-color: #F7F7F7;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	margin-bottom: 20px;
	color: #333;
}

.mian-box-item-title {
	font-size: 18px;
	font-family: Microsoft YaHei;
	margin-top: 30px;
}

.mian-box-item:hover {
	background-color: #1C649F;
	color: #fff;
}