.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% 5% 10% 6%;
}
.main h5{
	font-size: 29px;
	color: #000;
}
.main h6{
	font-size: 26px;
	color: #999;
	margin: 10px 0 80px 0;
	font-weight: 100;
}
.main .smallNav{
	width: 100%;
	overflow: hidden;
}
.main .smallNav ul li{
	float: left;
	margin-right: 5px;
}
.main .smallNav ul li a{
	display: block;
	padding: 0 13px;
	line-height: 46px;
	color: #9f9f9f;
}

.main .smallNav ul li  a.on{
	border-bottom: 4px solid #3184fb;
	color: #65a3fc;
}

.main .factory{
	width: 100%;
	overflow: hidden;
	margin-top: 30px;
	display:flex;
	flex-wrap:wrap;
}
.main .factory .fac-one{
	width: 24.5%;
	position: relative;
	float: left;
}
.main .factory .fac-one a{
	display: block;
	width: 100%;
	
}
.main .factory .fac-one .cover{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	background: rgba(49,132,251,0.8);
	font-size: 30px;color: #fff;
	transition: all .5s;
	cursor: pointer;
	opacity:0;
	
}
.main .factory .fac-one:hover .cover{
	opacity:1;
}

.main .factory .fac-one .cover1{
	position: absolute;
	top: -100%;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	background: rgba(49,132,251,0.8);
	font-size: 30px;color: #fff;
	transition: all .5s;
	cursor: pointer;
	
}
.main .factory .fac-one:hover .cover1{
	top: 0;
}


@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{
		padding: 5% 5% 10% 5%;
	}
	.main .factory .fac-one{
		width: 50%;
	}
	.main .factory .fac-one .cover{
		display: none;
	}
	.main .factory .fac-one .cover1{
		display: none;
	}
}










