td, tr, table { font-size: 12px; font-family: '宋体',sans-serif; color: #333333; line-height:22px }
body { font-size: 12px; font-family: '宋体', sans-serif; color: #333333; margin-top: 0px; margin-left: 0px; margin-bottom: 0px; margin-right: 0px }
input,select,option { font-size: 12px; font-family: '宋体', sans-serif }
a{ font-size: 12px; font-family: '宋体', sans-serif; text-decoration: none }
a:link { font-size: 12px; color: #333333; font-family: '宋体', sans-serif; text-decoration: none }
a:visited { font-size: 12px; color: #333333; font-family: '宋体', sans-serif; text-decoration: none }
a:active { font-size: 12px; font-family: '宋体', sans-serif; text-decoration: none }
a:hover { font-size: 12px; color: #009999; text-decoration: none }

*{margin:0;padding:0;} 
#nav { 
line-height: 24px; width:758px; list-style-type: none; margin:0px 0px 0px 0px;//调节一级菜单位置：margin：上、右、下、左
} 
#nav a { 
display: block; width: 108px; height:40px; //一级菜单每格的宽度和高度; text-align:center; 
} 
#nav a:link { 
color:#000; text-decoration:underline;//无连接时一级菜单的文字效果;
} 
#nav a:visited { 
color:white;text-decoration:none; //一级菜单文字颜色;
} 
#nav a:hover { 
color:red;text-decoration:none;font-weight:inherit; //鼠标经过时一级菜单文字的变化颜色;
} 
#nav li { 
float: left; //一级菜单背景颜色;
} 
#nav li a:hover{ 
//鼠标经过一级菜单时，一级菜单的背景变化颜色;
} 
#nav li ul { 
 list-style-type: none;text-align:left; line-height: 20px; padding-left:8px;//二级菜单字体高度;
left: -899px;  position: absolute; width: 126px; font-size:12px;color:white;//二级菜单字体宽度;
} 
#nav li ul li{ 
float: left; width:102px; 
background:#304B54;border:1px #c2c9cb solid;//二级菜单的背景颜色;
} 
#nav li ul a{ wedisplay: block; text-align:left; padding-left:22px; padding-top:5px; //文字距左的距离; width:102px;height:30px; font-size:12px;color:white;//二级菜单宽度;
} 
#nav li ul a:link { 
text-decoration:none; font-size:12px;color:white;
} 
#nav li ul a:visited { 
text-decoration:none; font-size:12px;letter-spacing:1px;color:white;//二级菜单字体颜色;
} 
#nav li ul a:hover { 
text-decoration:none;font-size:12px;color:#FFCC00;//鼠标经过二级菜单时字体的变化颜色;
 //鼠标经过时二级菜单的背景变化颜色;
} 
#nav li:hover ul { 
left: auto; 
} 
#nav li.sfhover ul { 
left: auto; 
} 
#content { 
clear: left; 
}