.w{width:1000px; margin:0 auto;}
.r{float:right;}
.l{float:left;}
.m{margin:0 auto;}
.o{overflow:hidden;}
.f10{font-size:10px;}
.f12{font-size:12px;}
.f13{font-size:13px;}
.f14{font-size:14px;}
.f16{font-size:16px;}
.f18{font-size:18px;}
.f20{font-size:20px;}

.header{height:134px;}
.logo{width:400px; height:134px; float:left;}
.logo_right{width:600px;
    float: right;}
.phone{height:22px; background:url(../images/phone.png) no-repeat 270px center; color:#f78b22; font-size:24px; line-height:22px; margin-top:36px; text-align:right;}

/*下边框菜单*/
.lava_with_border{position:relative; width:540px; height:35px; padding:15px 0px; margin-left:72px;}
.lava_with_border li{float:left; text-align:center;}
.lava_with_border li a{float:left; font-weight:bold; color:#6d451b; font-size:15px; top:8px; margin:auto 15px; text-decoration:none; position:relative; z-index:3; text-align:center;}
.lava_with_border li a:hover{text-decoration:none; color:#ed6c00;}
.lava_with_border li.back{text-align:center; height:35px; border-bottom:3px solid #ed6c00; position:absolute; z-index:2;}
.lava_with_border li.current{color:#ed6c00;}
.lava_with_border li.current a{color:#ed6c00;}