文章目录
代码素材来自b站pink老师
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>学成在线首页</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<!-- 头部区域开始 -->
<div class="header w">
<!-- logo部分 -->
<div class="logo">
<img src="images/logo.png" alt="">
</div>
<!-- 导航栏部分 -->
<div class="nav">
<ul>
<li><a href="#">首页</a></li>
<li><a href="#">课程</a></li>
<li><a href
