.banner{
	width: 100%;
	height: 270px;
	background: url(../images/aboutUs-bg.jpg) no-repeat;
	background-size:100% 100% ;
	text-align: center;
	display: flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
}
.banner h4{
	font-size: 45px;color: #333;
	font-weight: 100;
	margin-bottom: 25px;
}
.banner h5{
	font-size: 19px;color: #666;
}

.navigate{
	width: 100%;
	height: 86px;
	border-bottom: 1px solid #e6e6e6;
	line-height: 86px;
	padding:0 3%;
	box-sizing: border-box;
	color: #b2b2b2;
}
.navigate .left{
	float: left;
	font-size: 16px;
}
.navigate .right{
	float: right;
	font-size: 20px
}
.main{
	width: 100%;
	box-sizing: border-box;
	text-align: center;
	padding: 5% 3% 10% 3%;
}
.main h5{
	font-size: 29px;
	color: #000;
}
.main h6{
	font-size: 26px;
	color: #999;
	margin: 10px 0 80px 0;
	font-weight: 100;
}
.main ul{
	overflow: hidden;
	display: flex;
	justify-content: center;
	flex-wrap: wrap;

}
.main h4{
	font-size:26px;
	margin: 20px 0;
}
.main ul li{
	border: 1px solid #eee;
	width: 16%;
	height: 220px;
	text-align: center;
	vertical-align: middle;
	font-size: 16px;
	transition: all .5s;
	cursor: pointer;
	padding: 0!important;
	float: left;
}
.main ul li .pic{
	
}
.main ul li .pic a{
	line-height: 142px;
	vertical-align: middle;
	overflow: hidden;
	text-align: center;
	display: block;
}
.main ul li .pic a img{
	transition: all .5s;
	max-width: 60%;
	max-height: 100%;
	display: inline-block;
}
.main ul li :hover img{
	transform: scale(1.1);
}
.main ul li :hover{
	font-size: 19px;
	color: #e62129;
}



@media screen and (max-width: 1280px){
	.main ul li{
		/*width: 19%;*/
	}
}


@media screen and (max-width: 768px) {
	.banner{
		height: 30vw;
	}
	.banner h4{
		font-size: 5vw;
		margin-bottom: 1vw;
	}
	.banner h5{
		font-size: 3vw
	}
	.navigate .right{
		display: none;
	}
	.main ul li{
		width: 27%;
		margin: 0.5% 2.7%;
	}
}
@media screen and (max-width: 640px){
	.main ul li{
		width: 48%;
		margin: 0.5% 0.5%;
	}
}