<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404</title>
    <link rel="stylesheet" href="/css/main.css">
</head>
<body>
<div class="not-found">
    <a class="return-home button" href="/">回到首页</a>
</div>
</body>
</html>
