.box8021_b2{ clear:both; overflow:hidden; width:997px; height:460px; position:relative;  margin:0 auto; }
.box8021_b2 ul{ margin:0; padding:0; padding-top:30px; padding-bottom:30px; }
.box8021_b2 li{ float:left; display:block; width:230px; height:173px; margin-left:17px; margin-bottom:30px; }
.box8021_b2 .pic{ width:230px; height:173px; border:1px solid #999999;  display:block; overflow:hidden; margin:0 auto; }
.box8021_b2 .pic:hover{ opacity: 0.7; -ms-filter:alpha(opacity=70); filter: alpha(opacity=70); zoom:1; }
.box8021_b2 .title{ width:230px; height:20px; line-height:20px; text-align:center; font-size:12px; font-weight:normal; overflow:hidden;}
.box8021_b2 li a{ color:#333333; }
.box8021_b2 li:hover a{ color:#333333;}
.box8021_b2 .pic img{ width:230px; border:0;}
.box8021_b2 .pic:hover img { width:240px; }