#c257182 ul {list-style: none; margin: 0px; padding: 0px;} 
    #c257182 ul li a {font-family: 黑体;text-decoration: none;font-weight:bold; color:#fff; display:block; width:230px; height:45px; line-height:45px; text-align:center; background-color:RGB(140,0,0); font-size:18px;} 
    #c257182 ul li { float:left; margin-left:0px;} 
    #c257182 ul li a:hover { background-color:RGB(140,0,0);}
    #c257182 ul li a#current {  background-color:RGB(164,30,21); font-weight:bold; color:#fff;}
    #c257182 ul li ul { display:none;} 
    #c257182 ul li ul li {font-family: 黑体;text-decoration: none; float:none;  margin:0;}
    #c257182 ul li ul li a { width:230px; height:45px; line-height:45px; text-align:center;  background-color:white;  color:#000000;} 
    #c257182 ul li ul li a:hover { background-color:RGB(246,239,225); color:#000000;}  
    #c257182 ul li:hover ul { display:block;z-index:9999999; position:absolute;}
    

  #c257182 ul li ul { display:block;z-index:9999999; position:absolute;}