*{margin:0;padding:0;}
body{font-family: Verdana, Tahoma, Microsoft Yahei, Simsun;}
ul li{list-style:none;}
a{text-decoration:none;}
img{border:none;}
h2{color:#3b3832;letter-spacing:3px;}
.limit{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.text_center{text-align:center;}
.center{width:1200px;margin:0 auto;}
.fl{float:left;}
.fr{float:right;}
.left{float: left;}
.right{float: right;}
.thread{background:url(image/thread.png) no-repeat center center;width:416px;height:4px;margin:10px auto;}
.p{color:#575555;font-size:16px;}
#top{height:40px;background:#2a2a2a;color:#fff;font-size:13px;line-height:40px;}
#top p{float:left;margin-left:26px;}
#top .top_left{height:40px;}
#top .search{float:right;width:400px;margin-right:27px;height:40px;position:relative;}
#top input{border:1px solid white;outline:none;text-indent:6px;color:#333;}
#top span{color:white;}
#top button{width:19px;height:19px;background:red url(image/big.png) no-repeat center center;position:absolute;top:11px;left:184px;outline:none;border:none;}
#top .tel{width:160px;height:19px;float:right;background:url(image/telp.png) no-repeat center center;margin-top:10px;}
#nav{height:65px;background:#eeeeee;}
#nav .nav_logo{height:65px;position:relative;}
#nav img{margin:7.5px 0 0 27px;}
#nav #menu{width:912px;float:right;}
#nav #menu>li{float:left;width:130px;height:65px;}
#nav #menu>li>ul{display:none;position:absolute;z-index:10;}     
#nav #menu>li>ul li{float:none;line-height:45px;height:45px;background:black;}  
#nav ul li>a{display:block;width:130px;line-height:65px;text-align:center;font-size:18px;letter-spacing:1px;color:black;}
#nav ul li a:hover{color:red;}
#nav ul li ul li a{font-size:15px;color:white;height:45px;line-height:45px;}
#nav .nav_product{background:rgba(31,30,28,.9);width:1200px;height:470px;display:none;position:absolute;top:65px;left:0;z-index:10;}
#nav .nav_product div{width:133.33px;height:470px;float:left;background:url(image/fen.png) no-repeat right 50px;}
#nav .nav_product .list_last{background:none;}
#nav .nav_product p a{font-size:15px;margin:10px;color:red;display:block;}
#nav .nav_product div ul li a{font-size:13px;line-height:30px;height:30px;width:66.66px;}
#nav .nav_product div ul{float:left;width:66.66px;height:400px;}
#nav .nav_product div.list_center a{width:138px;}
.fix{position:fixed;top:0px;left:0;z-index:10;width:100%;}
#nav ul>li>a.bb{color:black;}
#nav ul>li>a.aa{color:white;}
#nav ul>li>a.cc{color:red;}
#footer{background:#2a2a2a;height:208px;margin-top:9px;padding-top:32px;}
#footer dl{width:98px;float:left;margin-right:86px;}
#footer dl.first{width:190px;}
#footer dl.first:hover dd a{color:#adacac;transition:all 0.35s ease;}
#footer dl.first ul li a:hover{color:white;}
#footer dl.first .one{float: left;}
#footer dl.first .two{float: right;}
#footer dl.tel{width: 120px;}
#footer .foot_tel{width:137px;height:23px;background:url(image/tel.jpg) no-repeat left 4px;margin-left:-30px;text-indent:30px;}
#footer .footer_dl{margin-left:68px;text-align:left;width:1200px;}
#footer dt{color:white;font-size:18px;padding-bottom:7px;transition:all 0.35s ease;}
#footer dt:hover{color:red;cursor:pointer;}
#footer dd,#footer dd a{color:#adacac;font-size:14px;line-height:30px;transition:all 0.35s ease;}
#footer dd:hover,#footer dd a:hover{color:white;cursor:pointer;}
#bottom{height:45px;line-height:45px;}
#bottom p{float:left;color:#3e3c3c;font-size:13px;font-weight:bold;}
#bottom ul{float:right;text-align:right;}
#bottom ul li{width:72px;float:left;}
#bottom span{margin-left:34px;font-size:12px;color:#3b3c3b;font-weight:normal;}
#bottom a, #bottom li a{font-size:12px;color:#3b3c3b;}
#bottom a:hover, #bottom li a:hover{color:red;}
.back{width:60px;height:60px;background:url(image/back.png);position:fixed;right:10px;bottom:10px;display:none;}
.back a{width:60px;height:60px;display:block;}
.back:hover{background:url(image/back.png) left bottom;}