ul{padding:0; margin:0; list-style:none;}

.t_nav{width:100%; height:40px; }
.t_nav iframe{width:100%; }

/*logo*/
.ifrtop{height:40px; overflow:hidden;}
.topbox{width:100%; height:170px; }

.w{width: 1200px; margin: 0 auto; background:#fff}

.top_logo{margin: 10px 0 10px 0; float:left; width:100%; height:80px;}

.top_logored{
	float: left; height: 61px;
    width: 276px;margin-left:30px;
    margin-top:10px;
    background: url("http://www.cottonchina.org.cn/images_new/logo.png") no-repeat;
}
.top_gg{ position:relative;
    width: 450px;
    margin-left: 60px;
    margin-top:8px;
    float: left; height: 64px;
   
}

#c_n{width:115px; height:50px; float:left; display:none; background:#C9242B; color:#fff;  text-align:center; line-height:50px; font-size:30px; margin:16px 0 0 20px; }



.top_logo .logo_four{float: right; width: 240px; font-size:14px;}


.logo_four ul{margin-top: 5px; float:left; width:100%; display:flex;  justify-content:space-between;  align-items:center; flex-wrap:wrap}

.logo_four ul li{
	display:block;
	float:left; 
    padding:0 5px 0 5px;
    height: 26px;
    line-height: 26px;
    border: 1px solid #ccc;
    text-align: center;
    margin: 5px 0 0 6px;border-radius:5px;
}

.logo_four ul li a{
    color: #666666;
}
.logo_four ul li a:hover{
    color: #D90D00;
}

.wid100{width:90px; }
.service_mob{width:200px; height:20px; float:right; line-height:20px; text-align:right; margin:8px 0 0 0; color:#d90d00; font-size:16px;}

/*µ¼º½*/

.top_nav{
    height: 40px; float:left; width:1200px
}
.top_nav ul{
    border-top: 2px solid #cd0012;
    font-size:16px;
    font-weight: bold;
    position: relative;
	display:flex; 
	justify-content:space-between;
}

.top_nav ul li{
    
    line-height: 40px;
    padding: 0 15px;
}
.top_nav ul li a{
    color: #333333; 
}
.top_nav ul li:hover a{
    color:#D90D00; border:none; border-bottom:#D90D00 solid 3px;
}


 
/*µ×²¿*/

.foot{ background-color:#f2f2f2;width:100%; height:300px; min-width:1200px;  margin:0 auto; border-top:1px solid #e1e1e1}
.footlink{width:1200px; margin:0 auto; padding:50px 30px;}
.cp{width:1000px; text-align:center; padding:30px;float:left; line-height:40px; position:relative;}
.link1,.link2,.link3,.link4{width:200px; float:left; margin:0 30px; line-height:40px; font-size:16px;
	}.link2{margin-right:100px;}
	.link2 p span{float:right;}

.cp img{height:20px; position:absolute; top:38px;}