.box8011_c{ clear:both; overflow:hidden; width:997px; height:240px; position:relative; margin:0 auto; }
.box8011_c ul{ float:left; margin:0; padding:0; padding-top:20px; padding-bottom:20px; }
.box8011_c li{ float:left; display:inline; width:230px; height:173px; border:0px solid #999999; margin-left:20px; margin-bottom:20px; overflow:hidden;}
.box8011_c li:hover{ opacity: 0.7; -ms-filter:alpha(opacity=70); filter: alpha(opacity=70); zoom:1; }
.box8011_c li img{ width:230px; border:0;}
.box8011_c li:hover img { width:240px; }