<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>首页</title>
</head>
<body style="width: 100%; height: 100%; margin: 0; padding: 0; display: flex; justify-content: center; align-items: center;">
<h1>欢迎来到我的网站</h1>
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</body>
</html>