.main { padding-top: 20px;}
.col_a { width: 200px; float: left;}
.col_b { float: right;}

.body_1000 .col_b { width: 770px;}
.body_1200 .col_b { width: 970px;}

.leftNav { background-color: #f5f5f5; display: block; padding-bottom: 10px; padding-top: 10px;}
.leftNav li { width: 100%; float: left; overflow: hidden; margin-top: 2px; display: inline;}
.leftNav a { display: block; line-height: 42px; height: 42px; overflow: hidden; color: #333; border-left: 2px solid #f5f5f5; font-size: 16px}
.leftNav a em { float: left; cursor: pointer; padding-left: 28px;}
.leftNav a:hover { text-decoration: none; color: #333; background-color: #fafafa;}
.leftNav .cur a,.leftNav .cur a:hover { border-left-color:#1f86ee; background-color: #fff;}

.txt { line-height: 24px; color: #333;}
.txt .tit { font-size: 22px; line-height: 48px; height: 48px; overflow: hidden; font-weight: 100; text-align: center;}
.txt .pIntro { padding: 10px 0 25px;}

.txt .list dt { font-weight: 700;}
.txt .list p { padding-bottom: 25px;}
.txt .list .sTit { display: block;}

.contactList .list { width: 49%; float: left;}
.contactList .list a { color: #666;}
.contactList .list a:hover { color: #f30;}