body {  behavior: url(includes/csshover.htc);} /* WinIE behavior call */
div#nav-cat {float: left; width: 190px; margin: -1px 0 0 0;
  background-color:  #EEE; font-weight:bold;}
div#nav-cat a:link,div#nav-cat  a:hover,div#nav-cat  a:visited{ color: #000000} 
div#nav-cat ul {margin: 0; padding: 0; width: 190px; background-color: #fff9e4; 
/*  border: 1px solid #AAA;*/}
div#nav-cat ul.level2 {background-color: #fe9550;  border-bottom:1px #FF0000 solid;}/*控制第二级分类的背景及边框*/
div#nav-cat ul.level3 {background-color: #fe9550;  border-bottom:1px #FF0000 solid;}/*控制第三级分类的背景及边框*/
div#nav-cat ul.level4 {background-color: #c7fec5;  border-bottom:1px #FF0000 solid;}/*控制第四级分类的背景及边框*/
div#nav-cat ul.level5 {background-color: #c7fec5;  border-bottom:1px #FF0000 solid;}/*控制第五级分类的背景及边框*/

div#nav-cat ul.level2 li.submenu{background-color: #fe9550;  border-bottom:1px #ffffff solid;}/*在有三级分类下，控制第二级分类的背景及边框*/
div#nav-cat ul.level1 li{border-bottom:1px #959595 solid; border-right:1px #cccccc solid; border-left:1px #cccccc solid;}/*一级分类的边框*/

div#nav-cat li {position: relative; list-style: none; margin: 0;
/*  border-bottom: 1px solid #CCC;*/}
div#nav-cat li:hover {background-color: #ec8500;}
div#nav-cat li.submenu {
background: url(../images/submenu.gif) 95% 50% no-repeat;
background-color: #fff9e4;  border-bottom:1px #959595 solid; border-right:1px #cccccc solid; border-left:1px #cccccc solid;}
div#nav-cat li.submenu:hover {background-color: #ec8500;}
div#nav-cat li a {display: block; padding: 0.25em 0 0.25em 0.5em;
  text-decoration: none; width: 140px; color: white;}
 div#nav-cat li.submenu li{ border-bottom:1px #ffffff solid;}   /*控制二级栏目边框*/
  div#nav-cat li.level1 li{ border-bottom:1px #ffffff solid;}
/*border-left: 0.5em solid #BBB;}
div#nav li a:hover {border-left-color: red;}*/
div#nav-cat>ul a {width: auto;}
div#nav-cat ul ul {position: absolute; top: 0; left: 190px;
  display: none;}
div#nav-cat ul.level1 li.submenu:hover ul.level2, 
div#nav-cat ul.level2 li.submenu:hover ul.level3,
div#nav-cat ul.level3 li.submenu:hover ul.level4,
div#nav-cat ul.level4 li.submenu:hover ul.level5 {display:block; border:1px #cccccc solid}