abstract：<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>网站导航下拉菜单</title><style>body{margin: 0px;padding: 0px;}.nav{width:100%;ba
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>网站导航下拉菜单</title>
<style>
body{margin: 0px;padding: 0px;}
.nav{width:100%;background: #2c73fa;height: 40px;}
.header{width: 1000px;margin: 0px auto;}
.header ul{margin: 0px;padding: 0px;list-style: none;}
.header ul li{width:200px; height: 40px;line-height:40px; float: left;text-align: center;}
.header ul li:hover{background:#f60;}
.header ul li a{color:#fff;text-decoration:none;font-size:16px;}
.header .nav1{width:200px; border:1px solid #ddd;overflow: hidden;}
.header .nav1{display:none;position: relative;}
.header ul li:hover .nav1{display: block;position: absolute;}
.header .nav1 li{border-bottom:1px dashed #ddd;}
</style>
</head>
<body>
<div class="nav">
<div class="header">
<ul>
<li><a href="#">首页</a></li>
<li><a href="#">关于我们</a>
<ul class="nav1">
<li>企业简介</li>
<li>组织架构</li>
<li>企业文化</li>
<li>服务网点</li>
</ul>
</li>
<li><a href="#">产品中心</a>
<ul class="nav1">
<li>电脑</li>
<li>手机</li>
<li>充电器</li>
<li>数据线</li>
</ul>
</li>
<li><a href="#">在线留言</a></li>
<li><a href="#">联系我们</a>
</li>
</ul>
</div>
</div>
</body>
</html>
Correcting teacher：灭绝师太Correction time：2019-01-19 14:41:41
Teacher's summary：还可以添加布局样式，字体库，边框等，多多练习，继续加油！