.box8121_b2{ clear:both; overflow:hidden; width:1200px; height:530px; position:relative;  margin:0 auto; }
.box8121_b2 ul{ margin:0; padding:0; padding-top:20px; padding-bottom:20px; }
.box8121_b2 li{ float:left; display:block; width:278px; height:210px; margin-left:20px; margin-bottom:20px; }
.box8121_b2 .pic{ width:278px; height:190px; border:0px solid #999999;  display:block; overflow:hidden; margin:0 auto; }
.box8121_b2 .pic:hover{ opacity: 0.7; -ms-filter:alpha(opacity=70); filter: alpha(opacity=70); zoom:1; }
.box8121_b2 .title{ width:278px; height:30px; line-height:30px; text-align:center; font-size:14px; font-weight:normal; overflow:hidden;}
.box8121_b2 li a{ color:#666666; }
.box8121_b2 li:hover a{ color:#333333;}
.box8121_b2 .pic img{ width:278px; border:0;}
.box8121_b2 .pic:hover img { width:288px; }