.product_list{
	width: 100%;
	overflow: hidden;
	padding-top: 79px;
}
.product_list .list_box{
	width: 100%;
	overflow: hidden;
	background-color: #f5f5f5;
}
.product_list .list_box:nth-of-type(2n){
	background-color: #ffffff;
}
.product_list .list_box ul{
	height: auto;
	overflow: hidden;
}
.product_list .list_box ul li{
	width: 50%;
	height: 500px;
	overflow: hidden;
	float: left;
}
.product_list .list_box ul li.list_img{
	text-align: center;
	line-height: 500px;
}
.product_list .list_box ul li.list_img img{
	max-width: 95%;
	transition: all 1s;
}
.product_list .list_box:nth-of-type(2n) ul li.list_img{
	float: right;
}
.product_list .list_box ul li.list_img:hover img{
	transform: scale(1.05);
}
.product_list .list_box ul li.list_txt{
	padding: 135px 25px 0;
	color: #000000;
	line-height: 18px;
}
.product_list .list_box:nth-of-type(2n) ul li.list_txt{
	padding: 135px 0 0 50px;
}
.product_list .list_box ul li.list_txt h2{
	font-size: 42px;
	margin-bottom: 15px;
	color: #000000;
}
.product_list .list_box ul li.list_txt a{
	display: block;
	width: 165px;
	border-radius: 60px;
	height: 45px;
	overflow: hidden;
	text-align: center;
	line-height: 45px;
	font-family: "Roboto-Regular";
	background-color: #d7000f;
	font-size: 14px;
	color: #FFFFFF;
	margin: 45px 0 0;
	transition: all 1s;
}
.product_list .list_box ul li.list_txt:hover a{
	text-decoration: underline !important;
}
.product_list .list_box ul li.list_txt a:hover{
	animation: huxi 2s linear infinite;
}
@media only screen and (max-width:991px ) {
	.product_menu {
	    padding: 18px 0;
	}
	.product_menu a {
		width: 24%;
	    margin: 12px 0px;
	}
	.product_list .list_box ul li {
	    height: 430px;
	}
	.product_list .list_box ul li.list_img {
	    line-height: 430px;
	}
	.product_list .list_box ul li.list_txt {
	    padding: 95px 0 0 40px;
	}
	.product_list .list_box ul li.list_txt h2 {
	    font-size: 36px;
	}
	.product_list .list_box:nth-of-type(2n) ul li.list_txt {
	    padding: 95px 40px 0 0;
	}
}
@media only screen and (max-width:767px ) {
	.product_menu {
	    padding: 8px 0;
	    margin: 50px 0 0;
	}
	.product_menu a {
		display: block;
		width: 50%;
		height: 70px;
		float: left;
	    margin: 5px 0px;
	}
	.product_list .list_box ul li.list_txt p{
		display: none;
	}
	.product_list .list_box ul li {
	    height: 230px;
	}
	.product_list .list_box ul li.list_img {
	    line-height: 230px;
	}
	.product_list .list_box ul li.list_txt {
	    padding: 50px 0 0 20px;
	}
	.product_list .list_box ul li.list_txt h2 {
	    font-size: 24px;
	}
	.product_list .list_box:nth-of-type(2n) ul li.list_txt {
	    padding: 50px 20px 0 0;
	}
	.product_list .list_box ul li.list_txt a {
	    width: 125px;
	    border-radius: 5px;
	    height: 35px;
	    line-height: 35px;
	    font-size: 12px;
	    margin: 25px 0 0;
	}
}
/*产品详情+*/
.valve_details{
	width: 100%;
	overflow: hidden;
	background-color: #f7f7f7;
	padding: 10px 0 80px;
}
.valve_details .valve_tilte{
	padding: 15px 0;
	text-align: right;
	color: #666666;
	line-height: 24px;
	border-bottom: 1px solid #ececec;
}
.valve_details .valve_tilte a{
	color: #666666;
}
.valve_details .valve_tilte a:hover{
	color: #d7000f;
	text-decoration: underline !important;
}
.valve_details h2{
	font-size: 30px;
	color: #333333;
	margin: 45px 0 0;
}
.valve_details a.valve_pdf{
	display: block;
	width: 165px;
	height: 46px;
	border-radius: 5px;
	text-align: center;
	line-height: 46px;
	background-color: #d7000f;
	color: #FFFFFF;
	font-size: 14px;
	font-weight: bold;
	float: right;
	margin: -20px 0 0;
}
.valve_details a.valve_pdf img{
	margin: -3px 10px 0 0;
}
.valve_details a.valve_pdf:hover{
	text-decoration: underline !important;
	animation: huxi 2s linear infinite;
}
.valve_details .valve_img{
	width: 100%;
	overflow: hidden;
	position: relative;
}
.valve_details .valve_img img{
	max-width: 100%;
}
.valve_details .valve_img img:nth-of-type(2){
	position: absolute;
	right: 0;
	bottom: 0;
}
.valve_txt{
	width: 100%;
	overflow: hidden;
	padding: 0 0 0 30px;
	line-height: 18px;
	color: #747474;
}
.valve_txt strong{
	display: block;
	font-size: 16px;
	color: #333333;
	margin: 20px 0 5px;
	position: relative;
}
.valve_txt strong:before{
	content: '';
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background-color: #d80110;
	position: absolute;
	left: -15px;
	top: 5px;
}
@media only screen and (max-width:991px ) {
	.valve_details .valve_img img:nth-of-type(2){
		position: relative;
	}
}
@media only screen and (max-width:767px ) {
	.valve_details {
	    padding: 10px 0 40px;
	}
	.valve_details h2 {
	    font-size: 24px;
	    margin: 30px 0 0;
	}
	.valve_details a.valve_pdf{
		position: relative;
		margin: 20px 0;
		float: none;
	}
	.valve_txt {
	    padding: 0 0 0 15px;
	}
}
@media only screen and (min-width:992px ) {
	.valve_details .valve_img img:nth-of-type(1){
		width: 600px;
	}
}
@media only screen and (min-width:1250px ) {
	.valve_details .valve_img img:nth-of-type(1){
		width: auto;
	}
}