*{margin:0;padding:0;border:0;}
body {
 font-family: arial,"宋体", serif;
        font-size:12px;
}
#nav {
  line-height: 31px;  list-style-type: none; background: url("koy.gif") repeat-x left top;
}
#nav a {
 display: block; text-align:center;text-valign:middle;
}
#nav a:link  {
 color:#666; text-decoration:none;
}

#nav a:visited  {
 color:#666;text-decoration:none;
}
#nav a:hover  {
 color:#FF9900;text-decoration:none;font-weight:bold;
}
#nav li {
 float: left; width: 1px; 
}
#nav li a:hover{
 background:#F6F6F6;
}
#nav li ul {
 line-height: 27px;  list-style-type: none;text-align:left;
 left: -999em; width: 180px; position: absolute;
}
#nav li ul li{
 float: left; width: 180px;
 background: #F6F6F6;
}
#nav li ul a{
 display: block; width: 180px;w\idth: 156px;text-align:left;padding-left:24px;
}
#nav li ul a:link  {
 color:#666; text-decoration:none;
}
#nav li ul a:visited  {
 color:#666;text-decoration:none;
}
#nav li ul a:hover  {
 color:#F3F3F3;text-decoration:none;font-weight:normal;
 background:#C00;
}
#nav li:hover ul {
 left: auto;
}
#nav li.sfhover ul {
 left: auto;
}
#content {
 clear: left;
}