.main{
	width: 1200px;
	margin: 30px auto;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}
.top .bannar img{
	width: 100%;
}
.main{
	width: 1200px;
	margin: 0 auto;
}
.main .sin img{
	margin-top: 30px;
	margin-bottom: 30px;
}
.main .sin ul{
	display: flex;
	flex-wrap: wrap;
}
.main .sin ul li{
	width: 277px;
	height: 70px;
	background: #eff3f8;
	font-size: 16px;
	text-align: center;
	line-height: 70px;
	margin-top: 15px;
	margin-left: 18px;
}
.main .sin ul li a{
	text-decoration: none;
	color: #333;
}