/* mainNav */
#mainNav {
text-align:center;
position:absolute;
right:0;
top:0;
height:75px;/****一级栏目高度****/
width:600px;
border-top:6px solid #094C9A;
}
.ddsmoothmenu {
font: normal 12px Verdana;
width: 100%;
}
.ddsmoothmenu ul {
z-index:100;
margin: 0;
padding: 0;
list-style-type: none;
}
/*顶级菜单项*/
.ddsmoothmenu ul li {
position: relative;
display: inline;
float: left;
background:url(menuDiv.jpg) no-repeat left top;
}
.ddsmoothmenu ul li a {
display: block;
padding: 0 16px;/****一级栏目间距****/
line-height:60px;/****改为跟一级栏目高度同样的数值****/
background:url(mainNavDiv.gif) no-repeat left top;/****一级栏目间隔线背景****/
text-decoration: none;
font-weight:bold;
}
* html .ddsmoothmenu ul li a {
display: inline-block;
}
.ddsmoothmenu ul li a:link, .ddsmoothmenu ul li a:visited {
color:#14355E;/****文字颜色****/
}
.ddsmoothmenu ul li a:hover {
color:#147DD0;/****文字翻转颜色****/
}
/*子级菜单*/
.ddsmoothmenu ul li ul {
position: absolute;
left: 0;
display: none;
visibility: hidden;
}
.ddsmoothmenu ul li ul li {
display: list-item;
float: none;
}
.ddsmoothmenu ul li ul li ul {
top: 0;
}
.ddsmoothmenu ul li ul li a {
background: #fff;/****子级菜单背景****/
font: normal 12px Verdana;
padding:1px 16px;/****子级菜单内间距****/
width: 160px; /****子级菜单宽度****/
line-height:22px;/****子级菜单高度****/
margin: 0;
border: 1px solid #ddd;/****子级菜单边框线****/
border-width:0 0 1px 1px;
filter: Alpha(opacity=80);   
-moz-opacity:.80;   
opacity:0.80;
}
.ddsmoothmenu ul li ul li a:hover {
background:#ddd;/****子级菜单翻转背景****/
}