body{background:#000;}
.clearfix {clear:both;}
#contain {width:1000px;margin:0 auto;}
#header {height:200px;padding-top:50px;}
#content {clear:both;height:600px;}
.context {clear:both;margin:0 auto;height:600px;}
#footer {margin-top:20px;text-align:center;clear:both;}
h1 {width:154px;height:154px;float:left;margin:0 3px;margin-left:150px;}
.navi {float:left;width:300px;height:154px;margin-left:20px;}
.navi li {float:left;margin:38px 5px;}

.index {text-align:center;width:500px;height:154px;margin:200px auto;}
.index .navi {margin-left:0;}
.index h1 {margin-left:0;}

.text_bg {width:521px;height:550px;background:#191615;padding-top:50px;}
.text_bg .text {width:433px;height:180px;}
.left .text_bg .text {margin-top:100px;margin-left:50px;}
.text_21c {background:#191615 url(../i/bg_text.png) 0 0 no-repeat;}
.right .text_bg {float:right}
.right .text_bg .text {margin-top:100px;margin-left:50px;}

.text_21c h3,.text_21c p{text-indent:-99999px;overflow:hidden;}

.bg_21c {background:url(../i/bg_21c.jpg) top right no-repeat;}
.bg_info {background:url(../i/bg_info.jpg) top right no-repeat;}
.bg_web20 {background:url(../i/bg_web20.jpg) top left no-repeat;}