.page_nav{
	width: 313.5px;
}
.quality_banner{
	width: 100%;
	overflow: hidden;
}
.quality_content{
	width: 100%;
	overflow: hidden;
}
@media only screen and (max-width:991px ) {
	.quality_banner img{
		width: auto;
		height: 100%;
		position: relative;
		left: -220px;
	}
}
@media only screen and (max-width:767px ) {
	.quality_banner{
		width:100%;
		height: 300px;
		overflow: hidden;
	}
	.quality_banner img{
		width: auto;
		height: 100%;
		position: relative;
		left: -120px;
	}
}
@media only screen and (min-width:1921px ) {
	.quality_banner img{
		width: 100%;
		height: auto;
		position: relative;
		left: 0px;
	}
}
/*技术创新*/
.technological_innovation{
	width: 100%;
	overflow: hidden;
	padding-bottom: 75px;
}
.technological_top{
	width: 100%;
	height: 485px;
	overflow: hidden;
	position: relative;
}
.technological_topimg{
	width: 100%;
	height: auto;
	overflow: hidden;
	text-align: right;
	position: absolute;
	right: 0;
	top: 0;
	z-index: 10;
}
.technological_toptext{
	width: 100%;
	overflow: hidden;
	position: relative;
	z-index: 11;
	font-size: 14px;
	line-height: 25px;
	color: #6d6c6c;
	top: 115px;
}
.technological_toptext h4{
	font-size: 14px;
	font-weight: bold;
	line-height: 25px;
}
.technological_bottom{
	width: 100%;
	overflow: hidden;
}
.technological_bottomimg{
	width: 740px;
	height: 332px;
	float: left;
}
.technological_bottomtext{
	width: calc(100% - 740px);
	height: 332px;
	background: url(../img/images/technological3_03.jpg) no-repeat top center;
	float: right;
	color: #FFF;
	padding: 60px 55px;
}
.technological_bottomtext h2{
	font-size: 30px;
	font-family: helvetica;
	line-height: 35px;
}
.technological_bottomtext h3{
	font-size: 18px;
	line-height: 50px;
}
@media only screen and (max-width:767px ) {
	.technological_innovation{
		padding-bottom: 35px;
	}
	.technological_top{
		height: 415px;
	}
	.technological_topimg img{
		width: 100%;
	}
	.technological_toptext{
		top: 230px;
	}
	.technological_bottomimg{
		width: 100%;
		height: auto;
	}
	.technological_bottomimg img{
		width: 100%;
	}
	.technological_bottomtext{
		width: 100%;
		padding: 70px 25px;
	}
	.technological_bottomtext h2{
		font-size: 24px;
	}
}
@media only screen and (min-width:768px ) {
	.technological_bottomimg{
		width: 450px;
	}
	.technological_topimg{
		top: auto;
		bottom: 0;
	}
	.technological_bottomtext{
		width: calc(100% - 450px);
		padding: 70px 25px;
	}
	.technological_bottomtext h2{
		font-size: 24px;
	}
	.technological_top{
		height: 575px;
	}
}
@media only screen and (min-width:992px ) {
	.technological_top{
		height: 485px;
	}
	.technological_topimg{
		top: 0;
		bottom: auto;
	}
	.technological_bottomimg{
		width: 550px;
	}
	.technological_bottomtext{
		width: calc(100% - 550px);
		padding: 60px 55px;
	}
	.technological_bottomtext h2{
		font-size: 30px;
	}
	.technological_top{
		height: 485px;
	}
}
@media only screen and (min-width:1200px) {
	.technological_bottomimg{
		width: 740px;
	}
	.technological_bottomtext{
		width: calc(100% - 740px);
	}
}
/*生产装备*/
.production{
	width: 100%;
	overflow: hidden;
	padding-bottom: 55px;
}
.production ul{
	width: 100%;
	overflow: hidden;
}
.production li{
	margin-top: 40px;
}
.production li:nth-of-type(3n+1){
	padding: 0 30px 0 0;
}
.production li:nth-of-type(3n+2){
	padding: 0 15px;
}
.production li:nth-of-type(3n){
	padding: 0 0 0 30px;
}
.production_img{
	width: 100%;
	overflow: hidden;
	cursor: pointer;
}
.production_img img{
	width: 100%;
	transition: all 0.5s;
}
.production_img:hover img{
	transform: scale(1.1);
}
@media only screen and (max-width:767px ) {
	.production{
		padding-bottom: 35px;
	}
	.production li{
		margin-top: 20px;
	}
	.production li:nth-of-type(2n+1){
		padding: 0 10px 0 0;
	}
	.production li:nth-of-type(2n){
		padding: 0 0 0 10px;
	}
}
/*质量检测*/
.testing{
	width: 100%;
	overflow: hidden;
	padding-bottom: 55px;
}
.testing ul{
	width: 100%;
	overflow: hidden;
}
.testing li{
	margin-top: 40px;
}
.testing li:nth-of-type(3n+1){
	padding: 0 30px 0 0;
}
.testing li:nth-of-type(3n+2){
	padding: 0 15px;
}
.testing li:nth-of-type(3n){
	padding: 0 0 0 30px;
}
.testing_img{
	width: 100%;
	overflow: hidden;
	cursor: pointer;
}
.testing_img img{
	width: 100%;
	transition: all 0.5s;
}
.testing_img:hover img{
	transform: scale(1.1);
}
@media only screen and (max-width:767px ) {
	.testing{
		padding-bottom: 35px;
	}
	.testing li{
		margin-top: 20px;
	}
	.testing li:nth-of-type(2n+1){
		padding: 0 10px 0 0;
	}
	.testing li:nth-of-type(2n){
		padding: 0 0 0 10px;
	}
}