.product{
margin:10px auto;
width:550px;
height:auto;
background:transparent;
float:left;
}

.tab{ height:36px; background:#FFFFFF url(../img/p-tbg.gif) no-repeat 0px 25px}
.tab ul{margin: 0px 0px 0px 40px;}
.tab li{float:left;height: 27px;width: 90px;cursor:pointer; list-style:none; color:#333333; text-align:center; line-height:24px; margin-right:2px}

.ctt{height:auto; background:url(../img/p-tbm.gif); padding:0px 20px 20px 20px;clear:both;text-align:left;}

.normaltab{background: url(../img/p-tab.gif) no-repeat; color:#fff;font-weight:bold;font-size: 11px;}
.hovertab{background: url(../img/p-tab.gif) no-repeat 0 -31px; color:#fff; font-weight:bold;font-size:11px;}
.dis{display:block;}
.undis{display:none;}

.soft{ height:auto; margin:0; padding:0;}
.soft h2{ font-family:Arial; font-size:13px; margin-bottom:3px}
.soft h2 a{ color:#C00; }
.soft p{ margin:6px auto; font-size:11px}

.btn{padding:10px 0px 8px 20px; height:40px; line-height:40px}

.guide{ padding:0px 0px 0px 25px}
.guide ul{ font-size:11px; padding-top:5px}
.guide a{ color:#05f}