header{background-image:url("../images/product_service/wanyuan8_01.jpg");background-size:100% 100%;}
.product_content{width:1200px;margin:0 auto 200px;}
.product_content .hr{margin:0 auto;}
.tab_content{width:1200px;}
#product_tabs ul li{width:25%;}
#product_select1{width:800px;display:block;margin:40px auto;padding:0 50px;}
#product_select1 a{width:160px;height:48px;line-height:48px;margin:0 16px;}
#product_select2{width:1000px;display:block;margin:40px auto;padding:0 50px;}
#product_select2 a{width:160px;height:48px;line-height:48px;margin:0 17px;}

.product_intro{text-align:center;}
.product_intro>h3{font-size:30px;margin:80px 0;font-family: "msYaHei", sans-serif;font-weight:bolder;line-height:1.5em;}
.product_intro>h3.sp{letter-spacing:.3em;}
.product_intro>h3.red{color:#af0e14;margin:60px 0;}
.product_intro>p{font-size:24px;line-height:60px;padding:40px 15px;text-align:left;}
.product_intro .text{padding:20px 150px 50px;}
.product_intro .text>p{text-align:left;font-size:24px;line-height:42px;}
@media screen and (min-width: 1366px) {header{height:256px;}}
@media screen and (min-width: 1440px) {header{height:270px;}}
@media screen and (min-width: 1680px) {header{height:315px;}}
@media screen and (min-width: 1920px) {header{height:360px;}}