.topScreen,.box{
	overflow: hidden;
}
.nav .layui-nav .layui-nav-item a {
    color: #a4cbf6;
}
.topScreen{
	background: url(../images/aboutUs-banner.jpg) no-repeat center;
	background-size: cover;
}
.topScreen .banWord {
	padding: 180px 2% 100px;
}
.titH3{
	font-size: 36px;
	color: #094ca8;
	text-align: center;
	margin: 130px auto 25px;
}
.titH4{
	font-size: 15px;
	line-height: 30px;
	color: #666666;
	text-align: center;
	margin: 0 auto 100px;
}
.box{
	background: #f7f8fa;
}
.box>div{
	width: 50%;
}
.box .imgDiv img{
	width: 100%;
}
.box .wordDiv h3{
	color: #272727;
	font-size: 40px;
}
.box .wordDiv .h3Con{
	font-size: 13px;
	color: #999999;
	margin: 10px 0 40px;
	text-transform: uppercase;
	letter-spacing: 2px;
}
.box .wordDiv .conChi{
	font-size: 15px;
	color: #676767;
}
.box .wordDiv .conEng{
	font-size: 13px;
	line-height: 25px;
	color: #afafaf;
	margin: 18px 0 38px;
}
.box .wordDiv .btn{
	font-size: 13px;
	width: 200px;
	line-height: 45px;
	text-align: center;
	border: 1px solid #d2d3d5;
	border-radius: 18px;
	color: #999999;
}
.box .wordDiv a{
	display: block;
}
.box .wordDiv{
	margin-top: 8%;
}
.box .wordDiv>p{
	width: 64%;
}
.box .phoneBg{
	display: none;
}
@media screen and (min-width:1200px) and (max-width:1500px){
	.box .wordDiv>p {
	    width: 75%;
	}
	.box .wordDiv {
	    margin-top: 5%;
	}
}
@media screen and (min-width:768px) and (max-width:1200px){
	.box .wordDiv {
	    margin-top: 5%;
	}
	.box .wordDiv h3 {
	    font-size: 26px;
	}
	.box .wordDiv>p {
	    width: 82%;
	}
	.box .wordDiv .h3Con {
	    font-size: 12px;
	    margin: 5px 0 15px;
	    letter-spacing: 1px;
	}
	.box .wordDiv .conChi {
	    font-size: 13px;
	}
	.box .wordDiv .conEng {
	    margin: 18px 0 16px;
	}
	.box .wordDiv .btn {
	    width: 115px;
	    line-height: 33px;
	}
}
.box .wordDiv.fr>*{
	margin-left: 10%;
}
.box .wordDiv.fl>*{
	margin-left: 19%;
}
@media screen and (max-width: 768px){
	.nav .layui-nav .layui-nav-item a {
	    color: #6b6b6b;
	}
	.topScreen .banWord {
	    padding: 90px 0 50px 5%;
	}
	.titH3 {
	    font-size: 18px;
	    margin: 30px auto 15px;
	}
	.titH4 {
	    font-size: 13px;
	    line-height: 25px;
	    margin: 0 auto 30px;
	}
	.box{
		position: relative;
		width: 100%;
		height: 100%;
		padding-bottom: 25px;
	}
	.box1{
		background: url(../images/aboutUs1.jpg) no-repeat center;
		background-size: cover;
	}
	.box2{
		background: url(../images/aboutUs2.jpg) no-repeat center;
		background-size: cover;
	}
	.box3{
		background: url(../images/aboutUs3.jpg) no-repeat center;
		background-size: cover;
	}
	.box .phoneBg{
		display: block;
		position: absolute;
		width: 100%;
		height: 100%;
		top: 0;
		left: 0;
		background-color: rgba(255,255,255,0.8);
	}
	.box img{
		display: none;
	}
	.box>div {
	    width: 100%;
	}
	.box .wordDiv,.box .imgDiv{
		position: relative;
	}
	.box .wordDiv>p {
	    width: 80%;
	}
	.box .wordDiv h3 {
	    font-size: 18px;
	}
	.box .wordDiv .h3Con {
	    font-size: 12px;
	    margin: 5px 0 15px 10%;
	    letter-spacing: 1px;
	}
	.box .wordDiv .conChi {
	    font-size: 13px;
	}
	.box .wordDiv .conEng {
	    line-height: 20px;
	    margin: 15px 0 15px 10%;
	}
	.box .wordDiv>*{
		margin-left: 10%;
	}
	.box .wordDiv .btn {
	    font-size: 12px;
	    width: 109px;
	    line-height: 37px;
	}
	.box .wordDiv.fl>* {
	    margin-left: 10%;
	}
	@media screen and (max-width: 320px){
		.titH4 {
		    font-size: 12px;
		}
	}
}