.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;} 
.clearfix{display:inline-block;} 

.clearfix{display:block;} 

.tab {
	width:680px;
	border-bottom:2px #CC0000 solid;
	overflow:hidden;
}

.tab li {
	cursor:pointer;
	float:left;
	position:relative;
	height:30px;
	overflow:hidden;
	line-height:24px;
	font-size:14px;
	font-weight:bold;
	color:#c30;
	width:150px; 
    text-align:center;
	background:#BDEAFF;
	box-shadow: 2px 2px 1px #888888;
	border-radius:5px 5px 0 0;
	margin-left:10px;
	margin-right:10px;
}


.cis .tab span{position:absolute;left:0;top:0;z-index:1;width:10px;height:27px;background:#39F;}
.cis .tab a{float:none;color:#c30;}
.cis .tab .curr{background-position:right -178px;color:#000;}
.cis .tab .curr span{background-position:0 -178px;}
.cis .tab .curr a{color:#000;}



#comment .odd{background: none repeat scroll 0 0 #F4F9FF;border: 1px solid #EDF0F1;border-radius:10px 10px 10px 10px;}
#comment .user{color:#999999;text-align: right;}
#comment .user span{margin-left: 20px;}
#comment .user .u-level{color:#088100;}
#comment .content{float:left;width:510px;}
#comment .date-answer{color:#999999;float:right;text-align:right;width:130px;}
#comment .useful{color:#999999;text-align:right;}
#comment .useful a{color: #005AA0;}

.tab1 {
	width:680px;
	height:100px;
	text-align:center;
}
.tab1 li {
	width:210px;
	float:left;
	margin-right:5px;
	margin-left:10px;
	margin-top:10px;
	text-align:left;
}
.tab_img1 {
	width:210x;
	height:176px;
    -moz-box-shadow: 2px 2px 3px #CCCCCC;
    -webkit-box-shadow: 2px 2px 3px #C8C8C8;
    box-shadow: 2px 2px 3px #7F7F7F;
}
.tab2 {
	width:680px;
	height:100px;
	text-align:center;
}
.tab2 li {
	width:150px;
	float:left;
	margin-right:5px;
	margin-left:10px;
	margin-top:10px;
	text-align:left;
}
.tab_img2 {
	width:150px;
	height:188px;
    -moz-box-shadow: 2px 2px 3px #CCCCCC;
    -webkit-box-shadow: 2px 2px 3px #C8C8C8;
    box-shadow: 2px 2px 3px #7F7F7F;
}

/*****************************************/
.tab_hd {
	width:680px;
	text-align:center;
	font-weight:bold;
}
.tab_hd li {
	width:160px;
	float:left;
	margin-right:5px;
	margin-left:5px;
	margin-top:10px;
	text-align:center;
}
.st_ys1 {
    -moz-box-shadow: 2px 2px 3px #CCCCCC;
    -webkit-box-shadow: 2px 2px 3px #C8C8C8;
    box-shadow: 2px 2px 3px #7F7F7F;
	height:130px;
	width:160px;
}
.st_ys1 img {
	height:130px;
	max-width:160px;
}
.st_ys2 {
	width:160px;
	padding-top:3px;
	padding-bottom:3px;
	font-weight:bold;	
}