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                        /商城分類導(dǎo)航效果

求大神幫忙看下代碼？實(shí)現(xiàn)不出來二級菜單移出

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標(biāo)題文檔</title>
<style>
.head{ height:60px;}
.headd li{
??????????? height: 60px;
?? ??? ??? ?width:90px;
?? ??? ??? ?display:block;
?? ??? ??? ?float:right;
??????????? line-height: 60px;
??????????? font-size: 11pt;
??????????? list-style-type: none;
??????????? text-align:center;
?????????? ?
??????? }
.lia{
?? ?height: 30px;
?? ?width:90px;
?? ?display:block;
?? ?float:left;
?? ?padding-top:15px;
?? ?padding-left:15px
?? ?}
?? ?
.headd li a{
??????????? text-decoration: none;
??????????? color:#999;
?? ??? ??? ?font-size:15px;
?? ??? ??? ?font-family:"Microsoft YaHei";
??????? }
.headd li:hover{
?? ?border-bottom:1px solid #999;
?? ?}
.headd a:hover{color:#666}
.cpflei{
?? ?width:90px;
?? ?height:120px}?? ?
.cpflei li{
?? ?width:180px;
?? ?height:55px;
?? ?display:block;
?? ?text-align:center;
?? ?list-style-type:none;
?? ?border-bottom:1px solid #F8F7F5;
?? ?border-left:1px solid #F8F7F5;
?? ?border-right:1px solid #F8F7F5;
?? ?box-shadow:0 0 1px #F8F7F5;
?? ?-moz-box-shadow:0 0 1px #F8F7F5;
?? ?-webkit-box-shadow:0 0 1px #F8F7F5;
?? ?z-index:4;}
.cpflei li a{
??????????? text-decoration: none;
?? ??? ??? ?line-height:55px;
??????????? color:#999;
?? ??? ??? ?font-size:15px;
?? ??? ??? ?font-family:"Microsoft YaHei";
?? ??? ??? ?text-align:center;
??????? }
.hx{
?? ?border-top:1px solid #999}
/*.cpflei{
?? ?display:none}
.headd li:hover .cpflei{
?? ?display:block}*/

</style>
</head>

<body>

?<div class="headd">
??? <li><a href="#">聯(lián)系</a></li>
??? <li><a href="#">案例</a></li>
??? <li><a href="#">關(guān)于</a></li>
??? <li><a href="#">資訊</a></li>
??? <li><a href="#">產(chǎn)品</a>
???? ?
??????? <ul class="cpflei">
????????? <li class="hx"><a href="#">零食電心</a></li>
????????? <li><a href="#">乳制品</a></li>
????????? <li><a href="#">湯羹</a></li>
????????? <li><a href="#">肉蛋類</a></li>
??????? </ul>
???? ?
??? </li>
??? <li><a href="#">首頁</a></li>
? </div>
</div>
</body>
</html>