/* CSS Document */
* {margin:0;padding:0;border:0;} 
body { 
font-family: arial, 宋体, serif; 
font-size:14px; 
} 
#nav { 
height: 20px;  list-style-type: none;  padding:0px;
margin-top:10px;line-height:20px;
overflow:hidden;background:#fffff7; 


} 
#nav a { 
display: block; width: 70px; text-align:center; 
} 
#nav a:link  { 
color:#7a3129; text-decoration:none; 
} 
#nav a:visited  { 
color:#7a3129;text-decoration:none; 
} 
#nav a:hover  { 
color:#7a3129;text-decoration:none;font-weight:bold;background:#f58d1a; 
} 
#nav li { 
float: left; width:70px; 
} 
#nav li ul { 
line-height: 20px; 
list-style-type: none; 
text-align:left; 
left: -999px; 
width:690px;  /*注意,这里一定要设置宽度;*/ 
position: absolute; 

} 
#nav li ul li{ 
font-family:arial,宋体，seric;
font-size:12px;
float: left;width: 50px; /*float就是子菜单横向的关键,可以继承父菜单而省略float */
} 
#nav li ul a{ 
display: block; text-align:left;padding-left:5px; 
} 
#nav li ul a:link  { 
color:#7a3129; text-decoration:none; 
} 
#nav li ul a:visited  { 
color:#7a3129;text-decoration:none; 
} 
#nav li ul a:hover  { 
color:#7a3129;text-decoration:none;font-weight:normal;background:#f58d1a; 
} 
#nav li:hover ul { 
left:25%; 
} 
#nav li.sfhover ul { 
left:25%; 
} 
#content { 
clear: left; 
}