两步验证

                <div class="flex items-center justify-center min-h-screen bg-gradient-to-br from-gray-200 via-gray-400 to-gray-600 dark:from-gray-800 dark:via-gray-900 dark:to-black p-4">
  <div class="relative w-full max-w-md bg-white dark:bg-gray-700 rounded-lg shadow-xl p-8">
    <div class="absolute top-0 left-0 w-full h-full border-4 border-black dark:border-gray-500 rounded-lg pointer-events-none"></div>
    <div class="relative z-10">
      <h2 class="text-3xl font-bold text-center text-gray-800 dark:text-white mb-6 font-mono">Authenticate</h2>
      <div class="space-y-6">
        <div>
          <label for="code" class="block text-sm font-medium text-gray-700 dark:text-gray-300 font-mono">Enter 2FA Code</label>
          <div class="mt-1">
            <input type="text" name="code" id="code" class="block w-full px-4 py-3 rounded-md border-gray-300 shadow-sm focus:border-indigo-500 focus:ring-indigo-500 dark:bg-gray-600 dark:border-gray-500 dark:text-white dark:focus:border-indigo-600 dark:focus:ring-indigo-600 font-mono tracking-widest" placeholder="••••••">
          </div>
        </div>

        <div>
          <button type="submit" class="w-full flex justify-center py-3 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 dark:bg-indigo-700 dark:hover:bg-indigo-800 dark:focus:ring-indigo-600 font-mono">
            Verify Code
          </button>
        </div>
      </div>
      <div class="mt-6 text-center">
        <p class="text-sm text-gray-600 dark:text-gray-400 font-mono">
          Need help? <a href="#" class="font-medium text-indigo-600 hover:text-indigo-500 dark:text-indigo-500 dark:hover:text-indigo-400">Resend Code</a>
        </p>
      </div>
    </div>
  </div>
</div>
              

                <div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-800">
  <div class="bg-white dark:bg-gray-900 rounded-lg shadow-lg p-8 w-96">
    <h2 class="text-2xl font-semibold text-gray-800 dark:text-white text-center mb-6">Two-Factor Authentication</h2>
    <p class="text-gray-600 dark:text-gray-400 text-center mb-4">Please enter the code sent to your email.</p>
    <div class="mb-4">
      <input type="text" placeholder="Enter your code" class="w-full px-4 py-2 border border-gray-300 dark:border-gray-700 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-400 dark:focus:ring-blue-600" />
    </div>
    <button class="w-full bg-blue-500 hover:bg-blue-600 text-white font-bold py-2 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-400 dark:focus:ring-blue-600">Verify</button>
    <div class="flex items-center justify-between mt-6">
      <a href="#" class="text-blue-500 dark:text-blue-400 hover:underline">Resend Code</a>
      <a href="#" class="text-gray-500 dark:text-gray-400 hover:underline">Need Help?</a>
    </div>
    <div class="flex items-center justify-center mt-6">
      <img src="https://picsum.photos/50/50" alt="Placeholder Image" class="rounded-full shadow-md" />
      <img src="https://randomuser.me/api/portraits/men/1.jpg" alt="User Avatar" class="rounded-full shadow-md ml-2" />
    </div>
  </div>
</div>
              

                <div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900">
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6 w-full max-w-md">
        <h2 class="text-2xl font-semibold text-gray-800 dark:text-gray-200 text-center mb-4">Two-Factor Authentication</h2>
        <p class="text-gray-600 dark:text-gray-400 text-center mb-6">Please enter the code sent to your registered mobile number.</p>
        <div class="flex flex-col items-center">
            <input type="text" placeholder="Enter your code" class="w-full p-3 rounded border border-gray-300 dark:border-gray-700 focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-400 transition-all mb-4"/>
        </div>
        <div class="flex items-center justify-between mb-4">
            <button class="transition-transform transform hover:scale-105 bg-blue-500 text-white p-3 rounded-lg shadow-md hover:shadow-lg focus:ring-2 focus:ring-blue-400 dark:bg-blue-600 dark:hover:bg-blue-500 dark:focus:ring-blue-300">Verify</button>
            <button class="text-blue-500 hover:underline dark:text-blue-400">Resend Code</button>
        </div>
        <hr class="my-4 border-gray-300 dark:border-gray-700"/>
        <div class="text-center">
            <img src="https://picsum.photos/40" alt="User Avatar" class="rounded-full mx-auto mb-2"/>
            <span class="text-gray-600 dark:text-gray-400">User's Name</span>
        </div>
    </div>
</div>
              

                <div class="flex flex-col items-center justify-center min-h-screen p-4 bg-gray-100 dark:bg-gray-800">
    <div class="max-w-sm p-6 bg-white dark:bg-gray-900 border border-gray-300 dark:border-gray-700 shadow-md rounded-lg flex flex-col">
        <h2 class="text-2xl font-bold text-gray-800 dark:text-white mb-4 text-center">Two-Factor Authentication</h2>
        <p class="text-gray-600 dark:text-gray-400 text-center mb-6">
            Please enter the authentication code sent to your email.
        </p>
        <div class="flex flex-col mb-4">
            <label class="text-gray-600 dark:text-gray-400 text-sm mb-2" for="auth-code">Authentication Code</label>
            <input type="text" id="auth-code" class="p-2 border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-400 transition duration-200" placeholder="Enter your code">
        </div>
        <button class="w-full p-2 bg-blue-600 text-white font-bold rounded hover:bg-blue-700 dark:bg-blue-500 dark:hover:bg-blue-400 transition duration-200">Verify</button>
        <div class="mt-4 text-center">
            <img src="https://picsum.photos/50?random=1" alt="Placeholder" class="rounded-full mb-2">
            <span class="text-gray-600 dark:text-gray-400 text-sm">John Doe</span>
        </div>
    </div>
</div>
              

                <div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900">
    <div class="bg-white dark:bg-gray-800 p-6 rounded-lg shadow-md w-96">
        <h2 class="text-2xl font-semibold text-gray-800 dark:text-gray-200 text-center mb-4">Two-Factor Authentication</h2>
        <p class="text-gray-600 dark:text-gray-400 text-center mb-6">Please enter the code sent to your registered email.</p>
        <div class="flex justify-center mb-4">
            <img class="w-16 h-16 rounded-full border-2 border-gray-300" src="https://randomuser.me/api/portraits/men/5.jpg" alt="avatar">
        </div>
        <div class="mb-4">
            <input type="text" placeholder="Enter Code" class="w-full p-2 border border-gray-300 rounded focus:outline-none focus:ring focus:ring-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:text-gray-200" />
        </div>
        <div class="flex justify-between items-center mb-4">
            <button class="w-full bg-blue-500 text-white py-2 rounded hover:bg-blue-400 transition duration-300">Verify</button>
        </div>
        <div class="text-center">
            <p class="text-gray-600 dark:text-gray-400">Didn't receive the code? <a href="#" class="text-blue-500 hover:underline">Resend</a></p>
        </div>
    </div>
</div>