<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>访问错误</title>
    <style>
        body {
            background-color: #f2f2f2;
            font-family: Arial, sans-serif;
            text-align: center;
            padding-top: 100px;
        }
        .error-message {
            background-color: #fff;
            border: 1px solid #ddd;
            padding: 20px;
            margin: 0 auto;
            width: 50%;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        h1 {
            color: #d44;
            font-size: 48px;
        }
        p {
            color: #666;
            font-size: 18px;
        }
        a {
            display: inline-block;
            margin-top: 20px;
            padding: 10px 20px;
            background-color: #007bff;
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
        }
    </style>
</head>
<body>
    <div class="error-message">
        <h1>404 错误</h1>
        <p>抱歉，您访问的页面不存在。</p>
        <a href="http://m.yantuqihang.com/">返回首页</a>
    </div>
</body>
</html>

