/*页面留白*/
  .blank{height:12px; line-height:12px; clear:both; visibility:hidden;}

.clearfix:after{
content:"."; display:block; height:0; clear:both;
visibility:hidden;
}
*html .clearfix{
 height:1%;
}
*+html .clearfix{
 height:1%;
}

.f_l{float:left;}
.f_r{float:right;}

  /*主题页面主导航*/
  #topic_mainNav{padding:0 25px; width:910px;}
  #topic_mainNav a{display:block; height:26p; float:left; line-height:26px; text-align:center;
  padding:0 15px; background:url(topic_NavBg.gif) no-repeat 0 -29px; position:relative;
  margin-right:2px; color:#555555; text-decoration:none;
  }
  #topic_mainNav a span{width:3px; height:26px; background:url(topic_NavBg.gif) no-repeat 0 -88px;
  position:absolute; top:0px; right:0px;
  }
  #topic_mainNav a:hover{display:block; height:26p; float:left; line-height:26px; text-align:center;
  padding:0 15px; background:url(topic_NavBg.gif) no-repeat 0 0; position:relative;
  margin-right:2px; color:#fff; text-decoration:none;
  }
  #topic_mainNav .cur{display:block; height:26p; float:left; line-height:26px; text-align:center;
  padding:0 15px; background:url(topic_NavBg.gif) no-repeat 0 0; position:relative;
  margin-right:2px; color:#fff; text-decoration:none; font-weight:bold;
  }
  #topic_mainNav a:hover span,#topic_mainNav .cur span{width:3px; height:26px; background:url(topic_NavBg.gif) no-repeat 0 -59px;
  position:absolute; top:0px; right:0px;