jquery绿色实用的教育类网站导航顶部浮动以及悬停滑动二级菜单下拉特效， js css 分离，结构简单清晰，下载即可使用。
使用方法：
1、head引入css文件
<link href="css/style.css" rel="stylesheet" type="text/css"/>
2、head引入js文件
<script type="text/javascript" src="js/jquery.js"></script>
3、body引入HTML代码
<div class="header-nav aui-header-nav moveDown">
<div class="header-content clearfix">
<div class="header-logo">
<a href="#">
<img src="images/logo.png" alt="">
</a>
</div>
<div class="header-nav-right">
<div class="header-nav-right-en">
<a href="#">EN</a>
</div>
<div class="header-nav-weChat">
<a href="#">
<i class="icon-weChat"></i>
咨询
</a>
<div class="navbar-contact-shadowl"></div>
<div class="navbar-contact-shadowr"></div>
<div class="navbar-contact-hover">
<img src="images/code.jpg" alt="">
</div>
</div>
<div class="header-nav-tel">
<a href="#">
<i class="icon-tel"></i>
400-021-8888
</a>
</div>
</div>
<div class="header-nav-list">
<ul>
<li>
<a href="#" class="cur">首页</a>
</li>
<li class="drop-down">
<a href="#">
全部产品 <i class="icon-dow"></i>
</a>
<div class="aui-dow-box aui-dow-box-list">
<div class="aui-down-menu clearfix">
<div class="aui-down-menu-title">
<i class="icon-title001"></i>
网校产品
</div>
<ul class="aui-down-menu-list">
<li class="aui-down-menu-list-item aui-top-border">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title002"></i>
ES 通用版
</p>
<p class="aui-down-menu-list-text">教育机构拓展线上教学</p>
</a>
</li>
<li class="aui-down-menu-list-item aui-top-border">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title003"></i>
ES 企培版
</p>
<p class="aui-down-menu-list-text">企业内训，合作伙伴培训</p>
</a>
</li>
<li class="aui-down-menu-list-item aui-top-border" style="width:170px;">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title004"></i>
ES 高校版
</p>
<p class="aui-down-menu-list-text">智慧学习，高校慕课</p>
</a>
</li>
<li class="aui-down-menu-list-item">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title005"></i>
阔知学堂
</p>
<p class="aui-down-menu-list-text">教育机构的移动网校</p>
</a>
</li>
<li class="aui-down-menu-list-item" style="width:auto">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title006"></i>
教育云
</p>
<p class="aui-down-menu-list-text">直播、点播、短信、邮件</p>
</a>
</li>
</ul>
</div>
<div class="aui-down-menu clearfix">
<div class="aui-down-menu-title">
<i class="icon-title007"></i>
增值服务
</div>
<ul class="aui-down-menu-list">
<li class="aui-down-menu-list-item aui-top-border">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title008"></i>
SaaS 服务
</p>
<p class="aui-down-menu-list-text">网校搭建、运维全托管</p>
</a>
</li>
<li class="aui-down-menu-list-item aui-top-border">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title009"></i>
网校主题
</p>
<p class="aui-down-menu-list-text">你的网校装修管家</p>
</a>
</li>
<li class="aui-down-menu-list-item aui-top-border" style="width:170px;">
<a href="#">
<p class="aui-down-menu-list-title">
<i class="icon-title010"></i>
运营服务
</p>
<p class="aui-down-menu-list-text">校长沙龙、运营社群</p>
</a>
</li>
</ul>
</div>
</div>
</li>
<li>
<a href="#">成功网校</a>
</li>
<li>
<a href="#">服务报价</a>
</li>
<li>
<a href="#">开源下载</a>
</li>
<li>
<a href="#">演示站</a>
</li>
<li class="drop-down">
<a href="#">
关于我们<i class="icon-dow"></i>
</a>
<ul class="aui-about-dow">
<li>
<a href="#">公司简介</a>
</li>
<li>
<a href="#">公司文化</a>
</li>
<li>
<a href="#">新闻资讯</a>
</li>
<li>
<a href="#">联系我们</a>
</li>
<li>
<a href="#">加入我们</a>
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
<div style="height:1200px;"></div><!--可删除-->
<script type="text/javascript">
$(window).on('scroll', function() {
if ($(document).scrollTop() > 200) {
$('.aui-header-nav').addClass('solid').removeClass('moveDown');
} else {
$('.aui-header-nav').removeClass('solid').addClass('moveDown');
}
});
</script>
