/* CSS Document */
body{
	font-size: 14px; font-family: "微软雅黑", "宋体";background:url(../images/bg1.gif);-webkit-text-size-adjust:none;
}

body,div,ul,li,label,form,h1,h2,h3,h4,h5,h6,ol,dl,dt,dd,p { margin:0px; padding:0px;}

li{ list-style:none;}

a{text-decoration:none;}

img{ border:none}

.L{ float:left;}

.R{ float:right;}

.clear { clear:both; *display:inline;/*IE only*/ height:0px; overflow:hidden;}
<!--头部logo，nav，banner-->

#header{width:100%; border:1px solid #f00; overflow:hidden; height:508px;}

<!--logo和nav部分Begin-->

#top{}

#top1{margin:0 auto; overflow:hidden; width:885px;height:96px;}

#nav{ width:665px;margin-top:48px; margin-left:92px;}

#nav ul li{ float:left; margin-left:20px; _margin-left:18px;}

#nav ul li a{ color:#fff; padding:0 2px;display:block;}

#nav ul li a:hover{ display:block; background:#EF1475;}

#banner{ background:#040308; width:100%;}
#banner2{ background:url(../images/sz/banner_bg.gif) repeat-x; width:100%;}
#bannera{ width:1200px; margin:0 auto;}
#bannera1{ width:981px; margin:0 auto;}

<!--logo和nav部分End-->

<!--------------主体部分Begin--------------->
#con{ width:auto; height:100%;}

#con1{ width:980px; margin:0 auto; height:640px; padding-top:18px;}

#con2{ width:980px; margin:0 auto; margin-top:15px;background:#fff;}

#con3{ width:980px; margin:0 auto; margin-top:15px; background:url(../images/qt_bg.gif) repeat-x;}

/*foot样式*/

#foot{font-size:12px; margin-top:15px; overflow:hidden;}

#foot ul li{ float:left; color:#686868;}

#foot ul li a{ margin:10px; color:#686868;}

.foot-logo{ margin-top:10px;}

.bom1,.bom2{ float:left; color:#808080;}
.bom1{ margin-left:10px;}
.bom2{ margin-top:20px; margin-left:14px;}