body {background:#000; margin:0; padding:0; color:#a7a7a7; text-align:left;}
.clear{clear:both;}
.head{background:#000; width:100%; height:178px; position:fixed; top:0; z-index:99;}
.head .box{width:1280px; margin:0 auto; height:118px; overflow:hidden;}
.head .logo{width:431px; height:78px; float:left; margin-top:20px;}
.head .box .pdd{float:left; line-height:34px; margin-left:160px; margin-top:42px;}
.head .box .pdd a{text-decoration:none; color:#a7a7a7; font-size:15px; letter-spacing:1px;}
.head .box .pdd img{float:left; padding-right:8px;}
.head .box .jdzy{float:left; line-height:34px; margin-left:320px; margin-top:42px;}
.head .box .jdzy a{text-decoration:none; color:#a7a7a7; font-size:15px; letter-spacing:1px;}
.head .box .jdzy img{float:left; padding-right:8px;}
.head .box .jd{float:left; line-height:34px; margin-left:40px; margin-top:42px;}
.head .box .jd a{text-decoration:none; color:#a7a7a7; font-size:15px; letter-spacing:1px;}
.head .box .jd img{float:left; padding-right:8px;}
.head .box .tm{float:left; line-height:34px; margin-left:40px; margin-top:42px;}
.head .box .tm a{text-decoration:none; color:#a7a7a7; font-size:15px; letter-spacing:1px;}
.head .box .tm img{float:left; padding-right:8px;}
.head .menu{width:1280px; height:60px; text-align:left; line-height:60px; margin:0 auto; border-top:1px solid #333;}
.head .menu span{padding:0 10px 0 0; font-size:13px;}
.head .menu span a{color:#a7a7a7; text-decoration:none; }
.head .menu .line{padding:0 30px 0 0;}
/*一级*/
.shipin{width:100%; height:750px; margin:100px auto 20px auto; background:#000;}
.shipin .box{width:1280px; margin:0 auto;}
.contents{width:1220px; margin:50px auto;}
.contents .part1{width:1220px; height:730px; position:relative;}
.contents .part1 .left{left:0; top:0; position:absolute;}
.contents .part1 .right{right:0; top:0; position:absolute;}
.contents .part2{width:1220px; height:730px; position:relative;}
.contents .part2 .left{left:0; top:0; position:absolute;}
.contents .part2 .right{right:0; top:0; position:absolute;}
.contents .part3{width:1220px; height:560px; position:relative;}
.contents .part3 .left{left:0; top:0; position:absolute;}
.contents .part3 .right{right:0; top:0; position:absolute;}

.contents .left h1,.contents .right h1{line-height:30px; font-weight:normal; font-size:20px; padding:0; margin:0; font-family:微软雅黑;}
.contents .left h2,.contents .right h2{line-height:70px; font-weight:normal; font-size:19px; padding:0; margin:0; font-family:微软雅黑;}
/*二级*/
.product-class{width:1280px; height:655px; margin:200px auto 20px auto;}
.product-class .pic1 a,.product-class .pic2 a,.product-class .pic3 a,.product-class .pic4 a,.product-class .pic5 a{text-decoration:none; color:#a7a7a7;}
.product-class .pic1{float:left;  margin-top:50px;}
.product-class .pic2{float:left; margin-left:80px; margin-top:50px;}
.product-class .pic3{float:left;  margin-top:50px; margin-bottom:50px;}
.product-class .pic4{float:left; margin-left:80px; margin-top:50px; margin-bottom:50px;}
.product-class .pic5{float:left;  margin-top:50px; margin-bottom:50px;}
.product-class .pic1 h1, .product-class .pic2 h1, .product-class .pic5 h1{line-height:30px; font-weight:normal; font-size:15px; padding:0; margin:0; font-family:微软雅黑; margin-top:30px; }
.product-class .pic1 h2, .product-class .pic2 h2, .product-class .pic5 h2{line-height:30px; font-weight:normal; font-size:14px; padding:0; margin:0; font-family:微软雅黑;}
.product-class .pic3 h1, .product-class .pic4 h1{line-height:30px; font-weight:normal; font-size:15px; padding:0; margin:0; font-family:微软雅黑; margin-top:30px; }
.product-class .pic3 h2, .product-class .pic4 h2{line-height:30px; font-weight:normal; font-size:14px; padding:0; margin:0; font-family:微软雅黑;}

/*三级*/
.products{width:1280px; margin:178px auto 50px auto;}
.products .products-class{width:260px; float:left;}
.products .products-class h1{line-height:45px; border-top:1px solid #333; border-bottom:1px solid #333; margin:0; padding:0;}
.products .products-class h1 a{font-size:16px;  text-decoration:none; color:#ffc001;}
.products .products-class ul{padding:0; margin:15px 20px;}
.products .products-class ul li{list-style:none; line-height:35px;}
.products .products-class ul li a{font-size:13px; font-weight:normal; text-decoration:none; color:#a7a7a7;}

.products .products-details{width:1018px; min-height:600px; float:left; border-left:1px solid #333; border-top:1px solid #333;}
.products .products-details h1{font-size:25px; color:#a7a7a7; font-weight:normal; text-align:center; margin:50px 0 30px 0;}
.products .products-details img{padding:50px 70px 50px 70px;}
.products .products-details p{padding:10px 100px 0 100px; margin:10px 0 10px 0; text-align:center; line-height:25px; color:#a7a7a7; text-align:left; text-indent:32px; letter-spacing:1px;}
.products .products-details p span{color:#a7a7a7;}

.bottom{width:100%;height:59px; background:#000; border-top:1px solid #333;}
.bottom .logo{float:left; margin:8px 20px 8px 40px;}
.bottom .text {width:200px;float:left;text-align:left;color:#444;font-size:14px;line-height:60px;padding:0;margin:0;font-family:微软雅黑;}
.bottom .menu{float:right; width:900px; text-align:center; line-height:59px;}
.bottom .menu span{padding:0 15px; font-size:13px;}
.bottom .menu span a{color:#a7a7a7; text-decoration:none;}