.hd_head span{display:inline-block;font-size:18px;margin-left:45px;padding:20px 0;color:#505050;cursor:pointer;}.hd_head .chosed{color:#db0000;border-bottom:2px solid #db0000;}.hd_head{width:80%;margin:0 auto;min-width:898px;height:73px;}.hd_head_img{width:160px;margin-top:6px;}