@charset "gb2312";
/* CSS Document */
.pb{padding-bottom:24px;}
.blank20 { clear:both; height:20px; overflow:hidden; display:block; }
.blank40 { clear:both; height:40px; overflow:hidden; display:block; }
.backToTop { display:none; width:18px; line-height:1.2; padding:5px 0; background-color:#000; color:#fff; font-size:12px; text-align:center; position:fixed; _position:absolute; right:10px; bottom:100px; _bottom:"auto"; cursor:pointer; opacity:.6; filter:Alpha(opacity=60); }

body{ background-color:#e7e7e7;}
.box { width:984px; margin:0 auto; overflow:hidden;}
.box_bg{width:984px;margin:0 auto; background:url(../images/box_cen_bg.gif) repeat-y;}
.box2 { width:949px; margin:0 auto; overflow:hidden;}
.banner{ height:356px; background:url(../images/banner.gif) no-repeat center top;}
.nav{ background:url(../images/nav_bg.gif) no-repeat center; height:30px; line-height:30px; overflow:hidden}
.nav ul {width:735px; margin:0 auto;}
.nav ul li{ float:left; color:#fff; }
.nav ul li a{ color:#fff; font-family:"΢ÈíÑźÚ"; padding:0 15px;}

.video{ background:url(../images/video.gif) no-repeat;width:733px; height:380px;}
.video embed{ margin:54px 0 0 127px; overflow:hidden}
.top20{ margin-top:73px}