.en_tab21_1_d2{ clear:both; overflow:hidden; width:1200px; height:360px; position:relative; padding:0; margin:0 auto; }
.en_tab21_1_d2 .box { height:360px; padding-left:30px; padding-right:0px; position:relative; margin:0 auto; }
.en_tab21_1_d2 ul{ margin:0; padding:0; padding-top:10px; padding-bottom:10px; }
.en_tab21_1_d2 ul li{ float:left; display:inline; width:355px; height:300px; border:1px solid #cccccc; margin-right:20px; margin-bottom:10px; overflow:hidden; position:relative; }
.en_tab21_1_d2 .pic{ width:355px; height:260px; border:1px solid #cccccc; display:block; overflow:hidden; margin:0 auto; }
.en_tab21_1_d2 .pic:hover{ opacity: 0.7; -ms-filter:alpha(opacity=70); filter: alpha(opacity=70); zoom:1; }
.en_tab21_1_d2 .title{ width:355px; height:40px; line-height:40px; text-align:center; font-size:14px; font-weight:normal; overflow:hidden;}
.en_tab21_1_d2 li a{ color:#666666; }
.en_tab21_1_d2 li:hover a{ color:#333333;}
.en_tab21_1_d2 .pic img{ width:355px; border:0;}
.en_tab21_1_d2 .pic:hover img { width:365px; }
.en_tab21_1_d2 .btn_pre{ cursor:pointer; display:block; width:25px; left:0px; top:110px;  position:absolute; }
.en_tab21_1_d2 .btn_next{ cursor:pointer; display:block; width:25px; right:0px; top:110px;  position:absolute; }
.en_tab21_1_d2 .btn_pre:hover{ opacity: 0.7; -ms-filter:alpha(opacity=70); filter: alpha(opacity=70); zoom:1; }
.en_tab21_1_d2 .btn_next:hover{ opacity: 0.7; -ms-filter:alpha(opacity=70); filter: alpha(opacity=70); zoom:1; }