<!DOCTYPE html>
<html lang="vi">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Domain Không Tìm Thấy</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f8f9fa;
            text-align: center;
        }
        .container {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        h1 {
            color: #dc3545;
        }
        p {
            color: #6c757d;
        }
        .home-link {
            display: inline-block;
            margin-top: 15px;
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 5px;
        }
        .home-link:hover {
            background-color: #0056b3;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>Không Tìm Thấy</h1>
        <p>Xin lỗi, nhưng chúng tôi không thể tìm thấy trang web bạn yêu cầu.</p>
        <a href="/" class="home-link">Về Trang Chủ</a>
    </div>
</body>
</html>