    <script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async defer></script>
    <style>
        #content {
            display: none; /* Hide the content initially */
        }
        #captcha {
            text-align: center;
            margin-top: 20px;
        }
    </style>
</head>
<body>
    <div id="captcha">
        <!-- Cloudflare Turnstile CAPTCHA widget -->
        <div class="cf-turnstile" data-sitekey="0x4AAAAAAAeV9MK4SvUZFNOW" data-callback="onTurnstileSuccess"></div>
    </div>

    <div id="content">