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我修改了style.css中的导航风格。我想修改下拉菜单。我为主菜单添加了一个图像。当鼠标悬停在菜单上时，它将变为悬停图像。但是当我想要将鼠标悬停在子菜单上时存在问题，父菜单（主菜单）不会保留这些悬停图像，而是在悬停前回到图像。 您可以在此链接预览网站http://alfo.com.my/default/about/company-background/。wordpress导航问题
我希望我能得到解决方案。
下面是修改的样式下拉的编码：
/*========Navi========*/
ul#menu-alfo {
list-style: none;
}
ul#menu-alfo li {
display: inline;
}
ul#menu-alfo li a {
text-indent: -9999px;
display: block;
float: left;
}
ul#menu-alfo li.menu-item-87 a{
background: url(images/navi.png) no-repeat bottom center;
width: 118px; height: 38px;
}
ul#menu-alfo li.menu-item-86 a{
background: url(images/navi-02.png) no-repeat bottom center;
width: 101px; height: 38px;
}
ul#menu-alfo li.menu-item-84 a{
background: url(images/navi-03.png) no-repeat bottom center;
width: 127px; height: 38px;
}
ul#menu-alfo li.menu-item-83 a{
background: url(images/navi-04.png) no-repeat bottom center;
width: 116px; height: 38px;
}
ul#menu-alfo li.menu-item-85 a{
background: url(images/navi-05.png) no-repeat bottom center;
width: 111px; height: 38px;
}
ul#menu-alfo li.menu-item-87 a:hover, ul#menu-alfo li.menu-item-87 a:active,
ul#menu-alfo li.menu-item-86 a:hover, ul#menu-alfo li.menu-item-86 a:active,
ul#menu-alfo li.menu-item-84 a:hover, ul#menu-alfo li.menu-item-84 a:active,
ul#menu-alfo li.menu-item-83 a:hover, ul#menu-alfo li.menu-item-83 a:active,
ul#menu-alfo li.menu-item-85 a:hover, ul#menu-alfo li.menu-item-85 a:active,
body.page-id-50 ul#menu-alfo li.menu-item-87,
body.page-id-56 ul#menu-alfo li.menu-item-86,
body.page-id-58 ul#menu-alfo li.menu-item-84,
body.page-id-31 ul#menu-alfo li.menu-item-83,
body.page-id-52 ul#menu-alfo li.menu-item-85,
body.single ul#menu-alfo li.menu-item-87{
background-position: top center;
}
ul#menu-alfo ul.sub-menu li {
margin-left:10px;
height:13px;
padding: 6px 0px;
}
ul#menu-alfo ul.sub-menu li a:hover {
margin-left:1px;
height:13px!important;
}
ul#menu-alfo ul.sub-menu li a{
background: none repeat scroll 0 0 transparent;
color: #000000;
font: bold 13px Arial;
min-width: 170px;
padding: 5px 10px;
text-decoration: none;
text-indent: inherit;
}
ul#menu-alfo ul.sub-menu a:hover{
color:#565BBA !important;
}
#menu-alfo .menu-header,
div.menu {
font-size: 13px;
margin-left: 12px;
width: 988px;
}
#menu-alfo .menu-header ul,
div.menu ul {
list-style: none;
margin: 0 0 0 -17px;
}
#menu-alfo .menu-header li,
div.menu li {
float: left;
position: relative;
}
#menu-alfo ul ul{background:#fff;}
#menu-alfo ul ul li {
background-position: top center;
}
#menu-alfo ul ul li a{
color: #FFF;
font-size:12px;
font-weight:bold;
}
#menu-alfo li:hover a,
#menu-alfo ul ul :hover a {
background-position: top center;
}
#menu-alfo ul ul li:hover a,
#menu-alfo ul ul :hover a {
background-position: top center;
}
#menu-alfo ul ul li:hover a,
#menu-alfo ul ul :hover a {
background-position: top center;
}
#menu-alfo ul li:hover ul {
display: block;
}
ul#menu-alfo li.current_page_item a,
ul#menu-alfo li.current-menu-ancestor a,
ul#menu-alfo li.current-menu-item a,
ul#menu-alfo li.current-menu-parent a {
background-position: top center;
padding:0;
}
ul#menu-alfo li.current_page_item a,
ul#menu-alfo li.current-page-menu-ancestor a,
ul#menu-alfo li.current-page-menu-item a,
ul#menu-alfo li.current-menu-parent a {
background-position: top center;
padding:0;
}
ul#menu-alfo li.current-page-ancestor a {
background-position: top center;
padding:0;
}
#menu-alfo ul ul li.current_page_item a,
#menu-alfo ul ul li.current-menu-ancestor a,
#menu-alfo ul ul li.current-menu-item a,
#menu-alfo ul ul li.current-menu-parent a {
background-position: top center;
padding:0;
}
#menu-alfo li.current_page_item a:hover {background-position: top center;}
#menu-alfo li.current_page_parent ul li a:hover {background-position: top center;}
* html #menu-alfo ul li.current_page_item a,
* html #menu-alfo ul li.current-menu-ancestor a,
* html #menu-alfo ul li.current-menu-item a,
* html #menu-alfo ul li.current-menu-parent a,
* html #menu-alfo ul li a:hover {
background-position: top center;
padding:0;
}
/*=====end navi=====*/
/* =Menu
-------------------------------------------------------------- */
#access {
display: block;
float: left;
margin: 0 auto;
width: 600px;
}
#access .menu-header,
div.menu {
font-size: 13px;
margin-left: 12px;
width: 928px;
}
#access .menu-header ul,
div.menu ul {
list-style: none;
margin: 0;
}
#access .menu-header li,
div.menu li {
float: left;
position: relative;
}
#access ul ul {
box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
-moz-box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
-webkit-box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
display: none;
position: absolute;
top: 38px;
left: 0;
float: left;
width: 180px;
z-index: 99999;
}
#access ul li.menu-item-87 ul { /*-----Dropdown with diffrent height------- */
background:url(images/bgmenu1.png);
width:200px;
height:130px;
}
#access ul li.menu-item-85 ul{ /*-----Dropdown with diffrent height------- */
background:url(images/bgmenu2.png);
width:200px;
height:170px;
}
#access ul ul ul {
left: 100%;
top: 0;
}
#access ul ul a {
}
#access li:hover > a,
#access ul ul :hover > a {
background: #333;
color: #fff;
}
#access ul li:hover > ul {
display: block;
}
#access ul li.current_page_item > a,
#access ul li.current-menu-ancestor > a,
#access ul li.current-menu-item > a,
#access ul li.current-menu-parent > a {
color: #fff;
}
* html #access ul li.current_page_item a,
* html #access ul li.current-menu-ancestor a,
* html #access ul li.current-menu-item a,
* html #access ul li.current-menu-parent a,
* html #access ul li a:hover {
color: #fff;
}