li,h1,h2,h3,p ,dl,dt,dd{ padding:0; margin:0; }
ul { list-style-type:none; }
/*导航菜单CSS样一流素材网www.16sucai.com*/
.nav{ background:url(../WebImages/nav-bg.png) repeat-x; width:100%; height:48px;font-family:Arial,"Microsoft Yahei","微软雅黑",Helvetica,sans-serif; position:relative; z-index:10000;}
.nav-center{ width:1000px; height:48px; line-height:48px; margin:0 auto;}
.nav-center li{height:48px; width:113px; overflow:visible; float:left; text-align:center; font-weight:bold;}
.nav-center li a { color:#ffffff; width:113px; font-size:14px; float:left; display:block; position:absolute; text-decoration:none; top:0; left:0; z-index:1000px;font-family:Arial,"Microsoft Yahei","微软雅黑",Helvetica,sans-serif;}
.nav-center li a:hover { color:#efebeb; width:113px; font-size:14px; float:left; display:block; position:absolute; text-decoration:none; top:0; left:0; z-index:1000px;}
.nav-center li span{ background:url(../WebImages/nav-hover2.png) repeat-x; display:block; position:absolute; width:113px; top:0; left:0; z-index:0; opacity: 0;
filter:alpha(opacity=0);color:#efebeb;}
#home a{ background:none;  width:100px;}
.nav-center li{ position:relative;}
.product-select{ float:left; position:absolute; width:158px; top:48px; left:0px; z-index:10000; display:none;}
.product-hover{	display:none;}
.supports-select{ float:left;  position:absolute; width:158px;top:48px; left:0px; z-index:10000; display:none;}
.supports-hover{ display:none;}
.companys-select{ float:left; position:absolute; width:158px;top:48px; left:0px; z-index:10000; display:none;}
.companys-hover{ display:none;}
.jobs-select{ float:left; position:absolute; width:158px; top:48px; left:0px; z-index:10000; display:none;}
.jobs-hover{display:none;}
.downloads-select{ float:left; position:absolute;width:158px;top:48px; left:0px; z-index:10000; display:none;}
.downloads-hover{display:none;}
.brothers-select{ float:left; position:absolute;width:158px;top:48px; left:0px; z-index:10000; display:none;}
.brothers-hover{display:none;}
#select-top{ background:url(../WebImages/nav-hover2.png) no-repeat 0 0; width:100px; height:48px; position:absolute; top:-48px; color:#fff; left:0;}
#select-top a:hover{ background:none;}
#sub-prod{ position:absolute; top:0px; left:1px; padding:0px; display:none; width:158px;}
#sub-supp{ position:absolute; top:0px; left:1px; padding:0; display:none; width:158px;}
#sub-comp{ position:absolute; top:0px; left:1px; padding:0px; display:none; width:158px;}
#sub-job{ position:absolute; top:0px; left:1px; padding:0px; display:none; width:158px;}
#sub-dow{ position:absolute; top:0px; left:1px; padding:0px; display:none; width:158px;}
#sub-bro{ position:absolute; top:0px; left:1px; padding:0px; display:none; width:158px;}

.nav-center li ul{ background:#e5e8ea;}
.nav-imagebg a{ background:url(../WebImages/nav-bottom2.png) no-repeat 0 bottom;}
.nav-center li ul li{ background:url(../WebImages/nav-bottom-hover.png) no-repeat 0 bottom; height:31px; line-height:33px; clear:both; float:left; width:158px; margin:0px; font-weight:100;}
.nav-center li ul li a{ font-size:12px; text-align:left; margin:0px; height:33px; line-height:33px; width:158px; text-indent:25px; background:none;
float:left; color:#efebeb; font-weight:bold;}
.nav-center li ul li a:hover{ background:url(../WebImages/nav-bottom-hover.png) no-repeat ; height:34px; line-height:34px; width:158px; margin:0; color:#ffffff;font-size:13px;}


.purchases-select{ float:left; position:absolute;width:158px;top:48px; left:0px; z-index:10000; display:none;}
.purchases-hover{display:none;}
#pur-dow{ position:absolute; top:0px; left:1px; padding:0px; display:none; width:158px;}