.lanmuc-dif{ width:100%; height:140px; }
.lanmuc-dif .ding{ width:1200px; margin:0 auto;}
.lanmuc-dif .dings{ float:left; height:50px; line-height:60px; width:200px; padding-left:1000px; font-size:14px; font-weight:bold;}
.lanmuc-dif .dings span{ margin:0 20px;}
.lanmuc-dif .ding-z{ float:left; width:500px; text-align:left; height:80px;}
.lanmuc-dif .ding-y{ float:right; height:80px; font-size:24px; margin-top:10px;}