header:before {
	content: '';
	display: block;
	width: 100%;
	height: 60px;
	overflow: hidden;
	background-color: rgba(255,255,255,0.75);
	position: absolute;
	left: 0px;
	top: 0px;
}
.product-content {
	width: 100%;
	overflow: hidden;
	padding: 50px 0 80px;
	background-color: #f1f1f1;
}
.product-menu {
	width: 100%;
	overflow: hidden;
}
.product-menu a {
	float: left;
	padding: 2px;
	color: #ffffff;
	display: block;
	font-size: 18px;
	overflow: hidden;
	line-height: 20px;
	font-weight: bold;
	text-align: center;
	position: relative;
	width: calc(20% - 16px);
	background-color: #014da1;
}
.product-menu a::before {
	content: '';
	width: 46px;
	height: 46px;
	right: -23px;
	bottom: -23px;
	display: block;
	overflow: hidden;
	position: absolute;
	background: #f1f1f1;
	transform: rotate(45deg);
	border: 2px solid #014da1;
}
.product-menu a span {
	padding: 20px;
	display: block;
	overflow: hidden;
}
.product-menu a.active span {
	color: #014da1;
	background-color: #ffffff;
}
.product-list {
	width: 100%;
	overflow: hidden;
}
.product-list a {
	display: block;
	width: -moz-calc(33.33% - 35px);
	width: -webkit-calc(33.33% - 35px);
	width: calc(33.33% - 35px);
	text-align: center;
	overflow: hidden;
	background-color: #FFFFFF;
	float: left;
}
.list-img {
	width: 100%;
	height: 335px;
	overflow: hidden;
}
.list-img img {
	width: 100%;
	height: 100%;
	-o-object-fit: contain;
    object-fit: contain;
    transition: all 0.5s;
}
.product-list p {
	width: 100%;
	height: 25px;
	line-height: 25px;
	font-size: 18px;
	color: #666666;
	overflow: hidden;
}
.product-list span {
	display: block;
	width: 195px;
	height: 35px;
	line-height: 33px;
	font-size: 14px;
	margin: 30px auto 33px;
	border: 1px solid #bdbdbd;
	color: #bdbdbd;
	overflow: hidden;
    transition: all 0.5s;
}
.product-list a:hover .list-img img {
	transform: scale(1.1);
}
.product-list a:hover span {
	color: #FFFFFF;
	border-color: #004da1;
	background-color: #004da1;
}
@media only screen and (max-width: 991px) {
	header:before {
		height: 40px;
	}
	.product-menu a {
		font-size: 24px;
		line-height: 30px;
		width: calc(50% - 15px);
	}
	.product-menu a:nth-of-type(2n+1) {
		margin: 20px 30px 0 0;
	}
	.product-menu a:nth-of-type(2n) {
		margin: 20px 0 0;
	}
	.product-menu a::before {
		width: 52px;
		height: 52px;
		right: -26px;
		bottom: -26px;
	}
	.product-list a {
		width: -moz-calc(50% - 20px);
		width: -webkit-calc(50% - 20px);
		width: calc(50% - 20px);
	}
	.product-list a:nth-of-type(2n+1) {
		margin: 40px 40px 0 0;
	}
	.product-list a:nth-of-type(2n) {
		margin: 40px 0 0;
	}
}
@media only screen and (max-width: 750px) {
	header:before {
		height: 25px;
	}
	.product-content {
	    padding: 20px 0 40px;
	}
	.product-menu a {
		font-size: 16px;
		line-height: 20px;
		width: calc(50% - 10px);
	}
	.product-menu a:nth-of-type(2n+1) {
		margin: 15px 20px 0 0;
	}
	.product-menu a:nth-of-type(2n) {
		margin: 15px 0 0;
	}
	.product-menu a span {
		padding: 10px;
	}
	.product-menu a::before {
		width: 32px;
		height: 32px;
		right: -16px;
		bottom: -16px;
	}
	.product-list a {
		width: -moz-calc(50% - 7px);
		width: -webkit-calc(50% - 7px);
		width: calc(50% - 7px);
	}
	.product-list a:nth-of-type(2n+1) {
		margin: 20px 14px 0 0;
	}
	.product-list a:nth-of-type(2n) {
		margin: 20px 0 0;
	}
	.list-img {
		height: 160px;
	}
	.product-list p {
		height: 20px;
		line-height: 20px;
		font-size: 14px;
		padding: 0 15px;
	}
	.product-list span {
		width: 60%;
		height: 27px;
		line-height: 25px;
		font-size: 12px;
		margin: 10px auto 15px;
	}
}
@media only screen and (min-width: 992px) {
	header:before {
		height: 45px;
	}
	.product-content {
		padding: 40px 0 60px;
	}
	.product-menu a:nth-of-type(5n+1),.product-menu a:nth-of-type(5n+2),
	.product-menu a:nth-of-type(5n+3),.product-menu a:nth-of-type(5n+4) {
		margin: 20px 20px 0 0;
	}
	.product-menu a:nth-of-type(5n) {
		margin: 20px 0 0;
	}
	.product-menu a::before {
		width: 40px;
		height: 40px;
		right: -20px;
		bottom: -20px;
	}
	.product-menu a span {
		padding: 15px;
	}
	.product-list a {
		width: -moz-calc(33.33% - 24px);
		width: -webkit-calc(33.33% - 24px);
		width: calc(33.33% - 24px);
	}
	.product-list a:nth-of-type(3n+1),.product-list a:nth-of-type(3n+2) {
		margin: 40px 36px 0 0;
	}
	.product-list a:nth-of-type(3n) {
		margin: 40px 0 0;
	}
	.list-img {
		height: 300px;
	}
	.product-list p {
		font-size: 16px;
	}
	.product-list span {
		width: 170px;
		margin: 25px auto 30px;
	}
}
@media only screen and (min-width: 1400px) {
	header:before {
		height: 60px;
	}
	.product-content {
		padding: 50px 0 80px;
	}
	.product-menu a::before {
		width: 46px;
		height: 46px;
		right: -23px;
		bottom: -23px;
	}
	.product-menu a span {
		padding: 20px;
	}
	.product-list a {
		width: -moz-calc(33.33% - 35px);
		width: -webkit-calc(33.33% - 35px);
		width: calc(33.33% - 35px);
	}
	.product-list a:nth-of-type(3n+1),.product-list a:nth-of-type(3n+2) {
		margin: 60px 52.5px 0 0;
	}
	.product-list a:nth-of-type(3n) {
		margin: 60px 0 0;
	}
	.list-img {
		height: 335px;
	}
	.product-list p {
		font-size: 18px;
	}
	.product-list span {
		width: 195px;
		margin: 30px auto 33px;
	}
}
/*产品详情*/
.valve-content {
	width: 100%;
	padding: 65px 0 80px;
	overflow: hidden;
}
.valve-details {
	width: 100%;
	margin: 60px 0 0;
	overflow: hidden;
}
.details-top {
	width: 100%;
	margin: 0 0 35px;
	overflow: hidden;
}
.details-left {
	width: 512px;
	overflow: hidden;
}
.details-img {
	width: 100%;
	border: 1px solid #cdcdcd;
	overflow: hidden;
	background-color: #f1f1f1;
}
.details-img img {
	width: 100%;
	height: 100%;
	-o-object-fit: contain;
    object-fit: contain;
	transition: all 0.5s;
}
.details-left a {
	display: block;
	width: 135px;
	height: 42px;
	line-height: 42px;
	overflow: hidden;
	position: relative;
	text-align: center;
	margin: 25px 0 0;
}
.details-left a span {
	display: block;
	width: 100%;
	height: 100%;
	font-size: 12px;
	padding: 0 0 0 15px;
	color: #FFFFFF;
	overflow: hidden;
	text-decoration: underline !important;
	background-image: url(../img/pdf.png);
	background-repeat: no-repeat;
	background-position: 15px 50%;
	background-size: 22px;
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 1;
}
.details-left a:before {
	content: '';
	display: block;
	width: -moz-calc(100% + 42px);
	width: -webkit-calc(100% + 42px);
	width: calc(100% + 42px);
	height: 100%;
	overflow: hidden;
	background-color: #004da1;
	transform: skewX(-45deg);
	position: absolute;
	left: -42px;
	top: 0px;
	transition: all 0.5s;
}
.details-left a:hover:before {
	background-color: #00a0e8;
	transform: skewX(0deg);
	left: 0px;
}
.details-right {
	width: -moz-calc(100% - 555px);
	width: -webkit-calc(100% - 555px);
	width: calc(100% - 555px);
	padding: 20px 0 0;
	overflow: hidden;
}
.details-right h3 {
	font-size: 30px;
	line-height: 35px;
	padding: 0 0 20px;
	color: #004da1;
	font-weight: bold;
	border-bottom: 1px solid #cdcdcd;
}
.details-txt {
	width: 100%;
	padding: 20px 10px;
	overflow: hidden;
}
.details-txt h4 {
	font-size: 18px;
	line-height: 25px;
	margin: 0 0 5px;
	font-weight: bold;
	color: #333333;
}
.details-txt p {
	font-size: 14px;
	line-height: 20px;
	color: #666666;
}
.details-txt img {
	max-width: 100%;
}
.details-bottom {
	width: 100%;
	overflow: hidden;
}
.details-menu {
	width: 100%;
	height: 58px;
	border-bottom: 1px solid #cdcdcd;
	padding: 0 10px;
}
.details-menu li {
	font-size: 20px;
	padding: 0 4px;
	margin-right: 55px;
	line-height: 56px;
	color: #333333;
	float: left;
	cursor: pointer;
}
.details-menu li.active {
	border-bottom: 2px solid #004da1;
}
.details-menu li:hover {
	color: #004da1;
	font-weight: bold;
}
.details-list {
	width: 100%;
	margin: 45px 0 0;
	overflow: hidden;
}
.details-list li {
	width: 100%;
	line-height: 25px;
	font-size: 14px;
	color: #666666;
	overflow: hidden;
	display: none;
}
.details-list li.active {
	display: block;
}
.details-list h4 {
	font-size: 16px;
	line-height: 30px;
	padding: 0 0 0 17px;
	color: #004da1;
	font-weight: bold;
	position: relative;
}
.details-list h4:before {
	content: '';
	display: block;
	width: 5px;
	height: 5px;
	border-radius: 50%;
	overflow: hidden;
	background-color: #004da1;
	position: absolute;
	left: 6px;
	top: 12px;
}
.details-list p {
	padding: 0 5px;
}
.details-list img {
	max-width: 100%;
}
@media only screen and (max-width: 991px) {
	.details-left {
		width: 450px;
		margin: 0 auto;
	}
	.details-right {
		width: 100%;
		padding: 0;
		margin: 50px 0 0;
	}
}
@media only screen and (max-width: 750px) {
	.valve-content {
	    padding: 35px 0 40px;
	}
	.valve-details {
	    margin: 30px 0 0;
	}
	.details-top {
	    margin: 0 0 20px;
	}
	.details-left {
		width: 250px;
	}
	.details-right {
		margin: 25px 0 0;
	}
	.details-right h3 {
	    font-size: 18px;
	    line-height: 25px;
	    padding: 0 0 10px;
	}
	.details-txt {
	    font-size: 12px;
	    line-height: 20px;
	    padding: 10px 5px;
	}
	.details-txt h4 {
	    font-size: 16px;
	    line-height: 20px;
	}
	.details-menu {
	    height: 35px;
	    padding: 0 5px;
	}
	.details-menu li {
	    font-size: 14px;
	    padding: 0 2px;
	    margin-right: 20px;
	    line-height: 34px;
	}
	.details-menu li.active {
	    border-bottom-width: 1px;
	}
	.details-list {
	    margin: 20px 0 0;
	}
	.details-list h4 {
		font-size: 14px;
		line-height: 25px;
		padding: 0 0 0 10px;
	}
	.details-list h4:before {
		width: 3px;
		height: 3px;
		left: 3px;
		top: 11px;
	}
	.details-list p {
		padding: 0 5px;
		line-height: 20px;
		font-size: 12px;
	}
}
@media only screen and (min-width: 992px) {
	.details-left {
		width: 400px;
		float: left;
	}
	.details-right {
	    width: -moz-calc(100% - 440px);
	    width: -webkit-calc(100% - 440px);
	    width: calc(100% - 440px);
	    float: right;
	}
}
@media only screen and (min-width: 1400px) {
	.details-left {
		width: 512px;
	}
	.details-right {
	    width: -moz-calc(100% - 555px);
	    width: -webkit-calc(100% - 555px);
	    width: calc(100% - 555px);
	}
}