body{
margin:100px auto;
font-family:"宋体";
font-size:12px;
background-color:#4f4f4f;
}
div{overflow:hidden;}
#top{
margin:0px  auto;
width:890px;
padding:10px;
background:#FFFFFF;

}
#logo{
width:286px;
height:285px;
float:left;
margin-right:10px;
}
#banner{width:590px;height:285px; float:left; margin:0; padding:0;}
#nav{ width:910px; height:30px; background:#fff; margin:0 auto; padding:0;}
#navi{ width:910px; height:30px; background:#A15C3A; margin:0 auto; padding:0;}
#navi ul{margin:0; padding:0; list-style:none;}
#navi li{float:left;}
#navi ul li a, .nav ul li a:visited {
display:block; 
text-align:center; 
text-decoration:none; 
width:120px; 
height:30px; 
color:#fff; 
line-height:30px; 
}
#navi ul li a:hover{
height:30px;
line-height:30px;
display:block; 
background:#fff; 
color:#000;
}
#footer{ width:910px; margin:0 auto; text-align:right;font-size:12px; color:#ccc; height:20px; line-height:20px;}