.header_width,.nav_width{ background:#268819;width:100%;height:39px;}
.header, .logo , .nav,.ipro,.iodds .info,.equip,.iabout,.inproblem,.footer .info,.dabout{width:1004px;margin:0 auto;clear:both;}
.header .left,.logo .left{float:left;}
.header .right, .logo .right{float:right;}
.header .left span, .header .right span a{height:39px;line-height:39px;color:#aac9a8;}
.header .right span a:hover{ color:#fff;}
.logo_width{ background:#fff;width:100%;height:81px;}
.header .left span, .header .right span a{height:39px;line-height:39px;color:#dadada;}
.header .right span a:hover{ color:#fff;}
.nav_width{height:47px; line-height:47px;}
.nav_width .nav ul li{ float: left;font-size: 15px;height: 47px;line-height: 47px;text-align: center;}
.nav_width .nav ul li a{ height:47px;line-height:47px; padding:0 15px; float:left;display:block; color:#fff;font-size:16px;text-align:center;}
.nav_width .nav ul li a:hover ,.nav_width .nav ul li a.nav_on{color:#e83b00;}
.nav_width .nav ul li .textl{text-align:left; padding:0 20px 0 0;}
.nav_width .nav ul span{width:10px;height:47px;background:url(../images/right-border.png) center no-repeat;float:left;line-height:47px;display:block;}
.nav_width .nav span {float:right;height:47px; background:url(../images/index_10.jpg) center no-repeat;width:245px; }
.nav_width .nav .seach input {background:none; border:none;height:28px;width:200px; text-indent:30px;float:left;line-height:28px; padding-top:10px;}
.nav_width .nav .seach a{height:47px;width:45px;display:block;float:left;}

.banner{ height:540px;}