@charset "gb2312";
/* CSS Document */

#center{ background-color:#fff; height:auto; margin-top:75px; _margin-top:75px;} 
.center1{ width:960px; margin:20px auto 0px; padding-bottom:20px;   overflow:hidden}
.tech{text-align:center; width:750px;}
.tech1{text-align:left; width:750px;}
.bt{ text-align:center; font-size:18px; font-weight:bold; line-height:40px;}
.video{width:305px; height:30px; float:left;  margin:5px 0px 0px 10px; background:url(../images/vvideo.png) no-repeat; padding-left:60px; padding-top:15px;}
.video a{ color:#737373; font-size:14px; line-height:20px; text-align:left;}
.video b{color:#232323;}
.video iframe {z-index:100px;}