.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;
	background:url(../images/culture-bg.png) no-repeat;
	background-size:100% 100%;
	overflow: hidden;
	padding: 2%;
}
.main h5{
	font-size: 29px;
	color: #fff;
}
.main h6{
	font-size: 26px;
	color: #fff;
	margin: 10px 0 20px 0;
	font-weight: 100;
}

.main .center{
	width: 70%;
	height: 80%;
	margin: 0 auto;
}
.main .center .one:nth-child(2n+1){
	background-color: #f6f6f6;
}
.main .center .one{
	width: 33%;
	height: 15vw;
	background-color: #fff;
	float: left;
	transition: all .5s;
	background-image: url(../images/culture-pic.png);
	background-size:0px 0px ;
	background-repeat:no-repeat ;
	cursor: pointer;
	background-position:center ;
}
.main .center .one p{
	font-size: 20px;
	color: #333;
	font-weight: bold;
	transition: all .5s;
}
.main .center .one h4{
	opacity: 0;
}
.main .center .one:hover h4{
	opacity: 1;
}
.main .center .one:hover{
	background-size:100% 100% ;
}
.main .center .one:hover p{
	color: #fff;
}
.main .center .txt{
	width: 99%;
	height: 33%;
	background:url(../images/culture-txt.png) no-repeat;
	float:left ;
	text-align: left;
	background-size:100% 100% ;
	box-sizing: border-box;
	padding:50px 140px;
}
.main .center .txt p{
	color: #fff;
	margin-bottom: 5px;
}
.main .center .txt p:first-child{
	font-size: 24px;
	color: #fff;
	font-weight: bold;
}

@media screen and (max-width: 1190px){
	.main .center .txt{
		width: 99%;
		display: flex;
		justify-content: center;
		align-items: center;
		padding:2%;
	} 
	.main .center .txt p{
		font-size: 1.5vw
	}
}

@media screen and (max-width: 769px){
	.banner{
		height: 30vw;
	}
	.banner h4{
		font-size: 5vw;
		margin-bottom: 1vw;
	}
	.banner h5{
		font-size: 3vw
	}
	.navigate .right{
		display: none;
	}
	.main .center{
		width: 90%;
	}
	.main .center .one{
		width: 50%;
		height: 30vw;
	}
	.main .center .one img{
		width: 8vw!important;
		height:8vw !important;
	}
	.main .center .one p{
		font-size:2vw !important;
	}
	.main .center .txt{
		width: 100%;
		display: flex;
		justify-content: center;
		align-items: center;
		padding:2%;
	} 
	.main .center .txt p{
		font-size: 2vw
	}
	.main .center .one h4{
		color: #000;
		font-size: 1vw;
		opacity: 1;
	}
}

@media screen and (max-width: 376px){
	.main .center .one{
		width:50%;
		height: 35vw;
	}
}