/*首页轮播*/
.index_banner{
	width: 100%;
	overflow: hidden;
	position: relative;
}
.index_banner .swiper-container{
	width: 100%;
	height: 100%;
}
.index_banner .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    display: inline-block;
    border-radius: 100%;
    background: none;
    border: 1px solid #fff;
    opacity: 1;
}
.index_banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
    opacity: 1;
    background-color: #fff;
}
.index_banner .swiper-slide img:last-of-type{
	display: none;
}
.index_banner img{
	width: 100%;
}
@media only screen and (max-width:767px ) {
	.index_banner .swiper-slide img:last-of-type{
		display: inline-block;
	}
	.index_banner .swiper-slide img:first-of-type{
		display: none;
	}
	.index_banner img{
		width: 100%;
	}
}
@media only screen and (min-width:1200px ) {
	.index_banner .swiper-pagination-bullets{
		bottom: 40px;
	}
}
/*首页内容*/
.index_content{
	width: 100%;
	overflow: hidden;
}
.index_quality{
	width: 100%;
	height: 280px;
	overflow: hidden;
	background: url(../image/index_quality_02.jpg) no-repeat;
	background-position: 50% 0;
	background-size: 100%;
	text-align: center;
}
.index_quality_title{
	width: 745px;
	overflow: hidden;
	margin: 75px auto 0;
	font-size: 14px;
	color: #9d9d9d;
}
.index_quality_title h1{
	font-size: 36px;
	margin-bottom: 15px;
	color: #333;
}
.index_quality_title h1 br{
	display: none;
}
.index_quality_title a{
	display: block;
	width: 150px;
	line-height: 43px;
	border: 1px solid #000;
	margin: 35px auto 0;
	color: #000;
	transition: all 0.5s;
}
.index_quality_title a:hover{
	background-color: #C8000F;
	color: #fff;
	border-color: #fff;
}
.index_quality_title h1 span:last-of-type{
	margin-left: 30px;
}
@media only screen and (max-width:767px ) {
	.index_quality{
		width: 100%;
		height: 190px;
	}
	.index_quality_title{
		width: 100%;
		overflow: hidden;
		margin: 25px auto 0;
		font-size: 12px;
		color: #9d9d9d;
		line-height: 20px;
	}
	.index_quality_title h1{
		font-size: 24px;
		margin-bottom: 15px;
		color: #333;
	}
	.index_quality_title h1 span:last-of-type{
		margin-left: 0;
	}
	.index_quality_title a{
		display: block;
		width: 150px;
		line-height: 33px;
		border: 1px solid #000;
		margin: 15px auto 0;
		color: #000;
	}
	.index_quality_title p{
		height: 40px;
		overflow: hidden;
	}
	.index_quality_title h1 br{
		display: block;
	}
}
/*走进石化*/
.index_about{
	width: 100%;
	height: 660px;
	background-color: #f3f4f6;
}
.index_about_title{
	width: 635px;
	overflow: hidden;
	margin: 50px auto;
	font-size: 12px;
	color: #9c9c9c;
	text-align: center;
}
.index_about_title h1{
	font-size: 40px;
	margin-bottom: 15px;
	color: #000;
}
.index_about .container>ul{
	width: 100%;
	overflow: hidden;
}
.index_video{
	padding-right: 24px;
}
.video_img{
	width: 100%;
	height: 320px;
	overflow: hidden;
	position: relative;
	cursor: pointer;
}
.video_img h4{
	width: 100%;
	height: 50px;
	position: absolute;
	left: 0;
	bottom: 0;
	z-index: 20;
	background-color: rgba(0,0,0,0.58);
	color: #fff;
	text-align: center;
	line-height: 50px;
	font-size: 16px;
}
.video_img>img{
	width: 100%;
}
.video_img .video_mask{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 10;
	background-color: rgba(0,0,0,0.42);
	text-align: center;
	line-height: 310px;
}
.index_video_box{
	width: 100%;
	overflow: hidden;
	margin-top: 12px;
}
.index_video_box li{
	width: 135px;
	overflow: hidden;
	float: left;
	margin-left: 12px;
	color: #000;
	line-height: 20px;
}
.index_video_box li .video_smImg{
	width: 100%;
	position: relative;
	height: 73px;
	overflow: hidden;
}
.video_smImg>img{
	width: 100%;
}
.index_video_box li:first-of-type{
	margin-left: 0;
}
.index_video_box li .video_mask{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 10;
	background-color: #000;
	text-align: center;
	line-height: 73px;
	opacity: 0.42;
	transition: all 0.5s;
}
.index_video_box li .video_mask img{
	width: 35px;
}
.index_video_box li.video_now .video_mask{
	opacity: 1;
	background-color: transparent;
	border: 2px solid #C8000F;
}
.index_video_box li.video_now .video_mask img{
	display: none;
}
.index_video_box li:hover .video_mask{
	opacity: 1;
	background-color: transparent;
	border: 2px solid #C8000F;
}
@media only screen and (max-width:767px ) {
	.index_about_title{
		width: 100%;
		overflow: hidden;
		margin: 33px auto;
		font-size: 12px;
		color: #9c9c9c;
		text-align: center;
	}
	.index_about_title h1{
		font-size: 30px;
		margin-bottom: 15px;
		color: #000;
	}
	.index_about{
		width: 100%;
		height: auto;
		overflow: hidden;
		padding-bottom: 40px;
		background-color: #f3f4f6;
	}
	.video_img{
		width: 100%;
		height: 260px;
		overflow: hidden;
		position: relative;
		cursor: pointer;
	}
	.video_img .video_mask{
		line-height: 260px;
	}
	.index_video{
		padding-bottom: 20px;
		padding-right: 0;
	}
	.index_video_box li{
		width: calc(50% - 6px);
		overflow: hidden;
		float: left;
		margin-left: 12px;
		color: #000;
		line-height: 20px;
		margin-bottom: 10px;
	}
	.index_video_box li:nth-of-type(2n+1){
		margin-left: 0;
	}
	.index_video_box li .video_smImg{
		width: 100%;
		position: relative;
		/*height:auto;*/
		overflow: hidden;
	}
	.index_video_box li .video_mask{
		line-height: 1;
	}
	.index_video_box li .video_mask img{
		position: relative;
		top:50%;
		margin-top: -17.5px;
	}
}
@media only screen and (min-width:768px ) {
	.index_about{
		width: 100%;
		height: auto;
		overflow: hidden;
		padding-bottom: 40px;
		background-color: #f3f4f6;
	}
	.video_img{
		width: 100%;
		height: 400px;
		overflow: hidden;
		position: relative;
		cursor: pointer;
	}
	.video_img .video_mask{
		line-height: 400px;
	}
	.index_video{
		padding-bottom: 30px;
		padding-right: 0;
	}
	.index_video_box li{
		width: 175px;
		overflow: hidden;
		float: left;
		margin-left: 12px;
		color: #000;
		line-height: 20px;
	}
	.index_video_box li .video_smImg{
		width: 100%;
		position: relative;
		height:95px;
		overflow: hidden;
	}
	.index_video_box li .video_mask{
		line-height: 95px;
	}
}
@media only screen and (min-width:992px ) {
	.index_video_box li{
		width: 112px;
		overflow: hidden;
		float: left;
		margin-left: 12px;
		color: #000;
		line-height: 20px;
	}
	.video_img{
		width: 100%;
		height: 320px;
		overflow: hidden;
		position: relative;
		cursor: pointer;
	}
	.video_img .video_mask{
		line-height: 310px;
	}
	.index_video{
		padding: 0px;
	}
	.index_video_box li .video_mask{
		line-height: 61px;
	}
	.index_video_box li .video_mask img{
		width: 25px;
	}
	.index_video_box li .video_smImg{
		width: 100%;
		position: relative;
		height: 61px;
		overflow: hidden;
	}
	.index_about{
		width: 100%;
		height: 660px;
		background-color: #f3f4f6;
		padding: 0;
	}
}
@media only screen and (min-width:1200px ) {
	.index_video_box li{
		width: 135px;
		overflow: hidden;
		float: left;
		margin-left: 12px;
		color: #000;
		line-height: 20px;
	}
	.index_video_box li .video_mask{
		line-height: 73px;
	}
	.index_video{
		padding-right: 24px;
	}
	.index_video_box li .video_mask img{
		width: 35px;
	}
	.index_video_box li .video_smImg{
		width: 100%;
		position: relative;
		height: 73px;
		overflow: hidden;
	}
}
/*首页新闻*/
.index_about .container>ul>li:last-of-type{
	padding-left: 11px;
	overflow: hidden;
}
.index_news{
	width: 100%;
	height: 413px;
	overflow: hidden;
}
.index_news a{
	display: block;
	width: 100%;
	height: 365px;
	overflow: hidden;
	background-color: #fff;
}
.news_img{
	width: 100%;
	overflow: hidden;
}
.news_img img{
	width: 100%;
	transition: all 0.5s;
}
.news_text{
	width: 100%;
	overflow: hidden;
	padding: 15px;
	color: #9d9d9d;
	font-size: 12px;
	line-height: 18px;
}
.news_text h4{
	font-size: 14px;
	font-weight: bold;
	color: #000;
	line-height: 18px;
}

.index_news a:hover img{
	transform: scale(1.1);
}
.index_news a:hover h4{
	color: #C8000F;
}
.news_text .news_time{
	width: 100%;
	line-height: 40px;
	border-bottom: 1px solid #e5e5e5;
	margin-bottom: 10px;
}
.swiper-button-next.swiper-button-disabled {
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23abb5bf'%2F%3E%3C%2Fsvg%3E");
	opacity: 1;
	cursor: auto;
	pointer-events: none;
}
.swiper-button-prev.swiper-button-disabled {
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23abb5bf'%2F%3E%3C%2Fsvg%3E");
	opacity: 1;
	cursor: auto;
	pointer-events: none;
}

.swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23C8000F'%2F%3E%3C%2Fsvg%3E");
	left: auto;
	bottom: 0px;
	right: 45px;
	width: 35px;
	height: 25px;
	margin-top: 0;
	top: auto;
	background-size: 15px 15px;
	border: 1px solid #9facbc;
}

.swiper-button-next,
.swiper-container-rtl .swiper-button-prev {
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23C8000F'%2F%3E%3C%2Fsvg%3E");
	right: 0px;
	margin-top: 0;
	top: auto;
	bottom: 0px;
	left: auto;
	width: 35px;
	height: 25px;
	background-size: 15px 15px;
	border: 1px solid #9facbc;
}
@media only screen and (max-width:767px ) {
	.index_about .container>ul>li:last-of-type{
		padding-left:0px;
	}
	.index_news{
		height: auto;
		padding-bottom: 40px;
	}
	.index_news a{
		height: auto;
		padding-bottom: 5px;
	}
}
@media only screen and (min-width:768px ) {
	.index_about .container>ul>li:last-of-type{
		padding-left:0px;
	}
	.index_news{
		height: 450px;
	}
	.index_news a{
		height: 420px;
	}
}
@media only screen and (min-width:992px ) {
	.index_about .container>ul>li:last-of-type{
		padding-left:11px;
	}
	.index_news{
		height: 423px;
	}
	.index_news a{
		height: 385px;
	}
}
/*首页产品系列*/
.index_product{
	width: 100%;
	height: 640px;
	overflow: hidden;
	position: relative;
}
.product_bg{
	width: 100%;
	height: 390px;
	background: url(../image/index_product.jpg) no-repeat top center;
	background-size: 100%;
	position: absolute;
	top:0;
	left: 0;
	z-index: 10;
}
.index_product .container{
	position: relative;
	z-index: 11;
}
.productImg_lg{
	overflow: hidden;
}
.productImg_lg a{
	display: block;
	width: 100%;
	height: 640px;
	line-height: 640px;
	display: none;
}
.productImg_lg a img{
	width: 100%;
	position: relative;
	left:0;
}
.product_box{
	color: #fff;
	height: 640px;
	padding:80px 0 0 35px;
	font-size: 14px;
	line-height: 25px;
	position: relative;
}
.product_box h1{
	font-size: 36px;
	font-weight: bold;
	margin-bottom: 15px;
}
.productImg_text{
	width: 100%;
	overflow: hidden;
}
.productImg_text li{
	width: 100%;
	overflow: hidden;
	display: none;
}
.productImg_text li:first-of-type{
	display: block;
}
.productImg_text a{
	display: block;
	width: 150px;
	height: 45px;
	border: 1px solid #fff;
	line-height: 43px;
	text-align: center;
	color: #fff;
	margin-top: 40px;
	transition: all 0.5s;
}
.productImg_text li a:hover {
	background-color: #C8000F;
	border-color:#C8000F ;
}
.product_nav{
	width: 100%;
	position: absolute;
	left: 0;
	bottom: 43px;
	padding-left: 35px;
}
.product_nav li{
	width: 117px;
	height: 125px;
	line-height: 121px;
	border: 2px solid #e6e6e6;
	text-align: center;
	float: left;
	margin-right: 12.6px;
	position: relative;
	transition: line-height 0.5s;
}
.product_nav li.product_now{
	height: 142px;
	line-height: 138px;
	border: 2px solid #C8000F;
	top: -17px;
}
.product_nav li span{
	display: block;
	padding:0 5px;
	font-size: 20px;
	width: 32px;
	height: 20px;
	line-height: 20px;
	background-color: #fff;
	color: #C8000F;
	position: absolute;
	bottom: -10px;
	left: 50%;
	margin-left: -16px;
	display: none;
	font-family: "arial, helvetica, sans-serif";
}
.product_nav li.product_now span{
	display: block;
}
.product_nav li:last-of-type{
	margin-right: 0;
	font-size: 80px;
	font-weight: 100;
	font-family: "arial, helvetica, sans-serif";
	color: #bbb;
}
.product_nav img{
	width: 90px;
}
.product_sm{
	width: 100%;
	overflow: hidden;
	padding: 45px 0 25px;
	display: none;
}
.product_title{
	width: 100%;
	overflow: hidden;
	color: #999;
	line-height: 20px;
	margin-bottom: 30px;
}
.product_title h1{
	font-size: 30px;
	text-align: center;
	color: #b72024;
	font-weight: bold;
	margin-bottom: 15px;
}
.product_smBox{
	width: 100%;
	overflow: hidden;
}
.product_smBox a{
	display: block;
	width: -moz-calc(50% - 5px);
	width: -webkit-calc(50% - 5px);
	width: calc(50% - 5px);
	height: 240px;
	overflow: hidden;
	float: left;
	background-color: #f3f4f6;
	padding: 30px 15px 20px;
	margin: 0 10px 10px 0;
}
.product_smBox a:nth-of-type(2n){
	margin: 0 0px 10px;
}
.product_smBox a h4{
	font-size: 14px;
	text-align: center;
}
.valve_sm{
	width: 100%;
	overflow: hidden;
	margin-bottom: 20px;
}
.valve_sm img{
	width: 100%;
}
.valve_smMore{
	width: 70px;
	height: 70px;
	border-radius: 50%;
	background-color: #c8000f;
	text-align: center;
	line-height: 70px;
	margin: 50px auto 0;
}
.valve_smMore img{
	margin-top: -5px;
}
@media only screen and (max-width:767px ) {
	.index_product{
		height: auto;
	}
	.product_bg{
		display: none;
	}
	.productImg_lg{
		display: none;
	}
	.product_box{
		display: none;
	}
	.product_sm{
		display: block;
	}
}
@media only screen and (min-width:768px ) {
	.product_nav li{
		width: 106px;
		margin-right: 10px;
	}
	.product_nav li:nth-of-type(4){
		display: none;
	}
	.product_nav li:nth-of-type(5){
		display: none;
	}
}
@media only screen and (min-width:992px ) {
	.product_nav li{
		width: 114px;
		margin-right: 10px;
	}
	.product_nav li:nth-of-type(4){
		display: block;
	}
}
@media only screen and (min-width:1200px) {
	.product_nav li{
		width: 117px;
		margin-right: 12.6px;
	}
	.product_nav li:nth-of-type(5){
		display: block;
	}
}
/*底部证书*/
.index_certificate{
	width:100%;
	height: 160px;
	overflow: hidden;
	background-color: #f3f4f6;
	padding-top: 27px;
}
.index_certificate ul{
	width: 100%;
	overflow: hidden;
	text-align: center;
}
/*.index_certificate ul li{
	width: 14% !important;
	
}*/
.index_certificate img{
	width: 70px;
	margin-bottom: 10px;
}
@media only screen and (max-width:767px ) {
	.index_certificate{
		display: none;
	}
}
@media only screen and (min-width:768px ) {
	.index_certificate ul li{
		transform: scale(0.85);
		opacity: 0;
	}
}
@media only screen and (min-width:992px ) {
	.index_certificate ul li{
		transform: scale(1);
	}
}