.mbtitle{ overflow:hidden; line-height:29px; margin-top:-6px; margin-bottom:6px; height:58px;}
.mbtitle h1{ margin:0px; padding:0px;color:#333; font-size:18px;font-family: arial,verdana,sans-serif; display:inline;}
.mbxzan a{display: block;width: 255px;height: 50px;line-height: 50px;text-align: center;color: #fff;background: #ff3c00;font-size: 26px;margin: 18px  auto 15px auto; -webkit-border-radius: 2px;-moz-border-radius: 2px;border-radius: 2px;}
.mbExcel{ color:#093;}
.mbPPT { color:#F63;}
.mbWord { color:#09F;}
.mbtixin {height:78px; line-height:26px; font-size:12px; text-align:left; padding-left:8px; border:1px #CCC dashed; width:680px; margin:0 auto 10px auto;}
.mbtixin a { color:#289613;}

.mbfenlei div {width: 237px;height: 90px;float: left;}
.mbfenlei a{ text-decoration:none;}
.mbfenlei div:hover{ background: #F5F5F5;}
.mbfenlei img  { float:left; width:70px; height:70px;padding: 2px;border: 1px #CCCCCC solid;margin: 5px 13px 5px 3px;}
.mbfenlei img:hover { border:1px #42994F solid;}
.mbfenlei .bt{ display:block; text-align:left; line-height:32px; font-size:26px; margin-top:7px; }
.mbfenlei .dy{ display:block; text-align:left; margin-top:15px; font-size:14px;}


.mbzhengwen{width: 708px;padding: 6px 12px;height: auto;font-size: 14px;text-align: left;color: 555;}
.mbzhengwen p{ line-height:28px; margin-bottom:12px; }