.product_banner{
	width: 100%;
	overflow: hidden;
}

.product_content{
	width: 100%;
	overflow: hidden;
	padding-bottom: 60px;
}
@media only screen and (max-width:991px ) {
	.product_banner img{
		width: auto;
		height: 100%;
		position: relative;
		left: -220px;
	}
}
@media only screen and (max-width:767px ) {
	.product_content{
		width: 100%;
		overflow: hidden;
		padding-bottom: 40px;
	}
	.product_banner{
		width:100%;
		height: 300px;
		overflow: hidden;
	}
	.product_banner img{
		width: auto;
		height: 100%;
		position: relative;
		left: -120px;
	}
}
@media only screen and (min-width:1921px ) {
	.product_banner img{
		width: 100%;
		height: auto;
		position: relative;
		left: 0px;
	}
}
/*产品导航*/
.product_nav{
	width: 100%;
	height: 70px;
	line-height: 70px;
	background-color: #ededed;
	color: #949494;
	margin-bottom: 35px;
	font-size: 14px;
}
.product_nav a{
	color: #949494;
}
.product_nav span{
	color: #004894;
}
/*产品分类*/
.product_menu{
	width: 280px;
	overflow: hidden;
	float: left;
}
.product_menu>div{
	width: 100%;
	height: auto;
	overflow: hidden;
	cursor: pointer;
	margin-bottom: 10px;
}
.product_menu>div h2{
	font-size: 20px;
	line-height: 60px;
	color: #004894;
	padding-left: 30px;
	background-color: #f0f7fc;
	background-image: url(../img/valve_right.png);
	background-repeat: no-repeat;
	background-position: 90% center;
	transition: all 0.5s;
}
.product_menu>div h2 a{
	color: #004894;
}
.product_menu ul{
	width: 100%;
	height: auto;
	overflow: hidden;
	display: none;
	color: #989898;
}
.product_menu ul li{
	width: 100%;
	height: 40px;
	line-height: 40px;
	padding-left: 35px;
	border-bottom: 1px dotted #BEBEBE;
	transition: all 0.5s;
}
.product_menu ul li:hover{
	border-bottom: 1px solid #004894;
	background-color: #f0f7fc;
	padding-left: 40px;
}
.product_menuHover {
    border-bottom: 1px solid #004894;
	background-color: #f0f7fc;
	padding-left: 40px;

}
.product_menu>div.product_now{
	border-bottom: 1px solid #004894;
	margin-bottom: 0;
}
.product_menu>div.product_now h2{
	background-color: #004894;
	font-weight: bold;
	background-image: url(../img/valve_down.png);
}
.product_menu>div.product_now h2 a{
	color: #fff;
}
@media only screen and (max-width:767px ) {
	.product_menu{
		width: 100%;
	}
	.product_menu>div h2{
		font-size: 16px;
	}
}
@media only screen and (min-width:768px ) {
	.product_menu{
		width: 185px;
	}
	.product_menu>div h2{
		font-size: 16px;
	}
}
@media only screen and (min-width:992px ) {
	.product_menu{
		width: 230px;
	}
	.product_menu>div h2{
		font-size: 20px;
	}
}
@media only screen and (min-width:1200px ) {
	.product_menu{
		width: 280px;
	}
}
/*产品内容*/
.product_valve{
	width: 870px;
	overflow: hidden;
	float: right;
	padding-top: 5px;
}
.product_valve h3{
	line-height: 35px;
	display: inline-block;
	font-size: 20px;
	color: #393939;
	font-weight: bold;
	border-bottom: 4px solid #004894;
	margin-bottom: 30px;
}
.valve_title{
	width: 100%;
	line-height: 25px;
	font-size: 14px;
	color: #a5a5a5;
}
@media only screen and (max-width:767px ) {
	.product_valve{
		width: 100%;
	}
}
@media only screen and (min-width:768px ) {
	.product_valve{
		width: calc(100% - 200px);
	}
}
@media only screen and (min-width:992px ) {
	.product_valve{
		width: calc(100% - 260px);
	}
}
@media only screen and (min-width:1200px ) {
	.product_valve{
		width: calc(100% - 330px);
	}
}
/*产品列表*/
.valve_list{
	width: 100%;
	overflow: hidden;
	margin-top: 30px;
}
.valve_list a{
	display: block;
	width: 100%;
	height: 210px;
	margin-bottom: 25px;
}
.valve_img{
	width: 195px;
	height: 210px;
	border: 1px solid #dadada;
	line-height: 210px;
	text-align: center;
	float: left;
}
.valve_img img{
	width: 165px;
	transition: all 0.5s;
}
.valve_text{
	width: calc(100% - 195px);
	height: 210px ;
	float: right;
	padding: 0 20px;
	color: #a5a5a5;
	line-height: 20px;
}
.valve_text h4{
	font-size: 18px;
	color: #004894;
	line-height: 30px;
	margin-bottom: 10px;
}
.valve_text p{
	height: 60px;
	overflow: hidden;
}
.valve_text span{
	display: block;
	width: 115px;
	height: 30px;
	color: #fff;
	background-color: #c6c6c6;
	text-align: center;
	line-height: 30px;
	border-radius: 5px;
	margin-top: 65px;
	transition: all 0.5s;
}
.valve_text span:hover{
	background-color: #e11c00;
}
.valve_list a:hover img{
	transform: scale(1.1);
}
@media only screen and (max-width:767px ) {
	.valve_img{
		width: 100%;
		float: none;
	}
	.valve_text{
		width: 100%;
		float: none;
		padding:20px 0;
	}
	.valve_list a{
		height: auto;
	}
	.valve_text span{
		margin-top: 25px;
	}
}
@media only screen and (min-width:768px ) {
	.valve_text span{
		margin-top: 45px;
	}
}
@media only screen and (min-width:992px ) {
	.valve_text span{
		margin-top: 65px;
	}
}
/*产品详情*/
.valve_details{
	width: 870px;
	overflow: hidden;
	float: right;
	padding-top: 5px;
}
.valve_details h3{
	line-height: 35px;
	display: inline-block;
	font-size: 20px;
	color: #393939;
	font-weight: bold;
	border-bottom: 4px solid #004894;
}
.valve_details .valve_title{
	border-bottom: 1px solid #ececec;
}
.details_img{
	width: 355px;
	height: 382px;
	line-height: 382px;
	overflow: hidden;
	margin: 45px auto 25px;
	border: 1px solid #e6e6e6;
	text-align: center;
}
.details_img img{
	width: 345px;
}
.details_buttonBox{
	width: 355px;
	margin: 0 auto 60px;
	overflow: hidden;
}
.details_buttonBox li{
	float: left;
	line-height: 25px;
	margin-right: 20px;
}
.details_buttonBox li img{
	margin-top: -2px;
}
.details_text{
	width: 100%;
	overflow: hidden;
	line-height: 20px;
	color: #808080;
}
.details_text h4{
	font-size: 16px;
	color: #004894;
	font-weight: bold;
	margin-bottom: 10px;
}
.details_text li:first-of-type{
	width: 445px;
	overflow: hidden;
	float: left;
	margin-left: 45px;
}
.details_text li:last-of-type{
	width: 280px;
	overflow: hidden;
	float: right;
}
@media only screen and (max-width:767px ) {
	.valve_details{
		width: 100%;
	}
	.details_img{
		width: 100%;
	}
	.details_buttonBox{
		width: 100%;
		margin-bottom: 20px;
	}
	.details_text li:first-of-type{
		width: 100%;
		margin-left: 0px;
		margin-bottom: 20px;
	}
	.details_text li:last-of-type{
		width: 100%;
	}
}
@media only screen and (min-width:768px ) {
	.valve_details{
		width: calc(100% - 200px);
	}
	.details_text li:first-of-type{
		width: 55%;
		margin-left: 0px;
	}
	.details_text li:last-of-type{
		width: 35%;
	}
}
@media only screen and (min-width:992px ) {
	.valve_details{
		width: calc(100% - 260px);
	}
	.details_text li:first-of-type{
		width: 405px;
	}
	.details_text li:last-of-type{
		width: 200px;
	}
}
@media only screen and (min-width:1200px ) {
	.valve_details{
		width: calc(100% - 330px);
	}
	.details_text li:first-of-type{
		width: 445px;
		margin-left: 45px;
	}
	.details_text li:last-of-type{
		width: 280px;
	}
}