双因素身份验证组件

<div class="min-h-screen bg-gray-100 dark:bg-gray-900 flex items-center justify-center p-4">
  <div class="bg-white dark:bg-gray-800 p-8 rounded-lg shadow-xl w-full max-w-md">
    <h2 class="text-2xl font-bold text-center text-gray-800 dark:text-white mb-6">Two-Factor Authentication</h2>
    <p class="text-center text-gray-600 dark:text-gray-400 mb-6">Please enter the 6-digit code sent to your phone number.</p>
    <div class="flex justify-center space-x-2 mb-6">
      <input type="text" class="w-12 h-12 text-center text-2xl border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600 bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-white" maxlength="1">
      <input type="text" class="w-12 h-12 text-center text-2xl border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600 bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-white" maxlength="1">
      <input type="text" class="w-12 h-12 text-center text-2xl border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600 bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-white" maxlength="1">
      <input type="text" class="w-12 h-12 text-center text-2xl border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600 bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-white" maxlength="1">
      <input type="text" class="w-12 h-12 text-center text-2xl border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600 bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-white" maxlength="1">
      <input type="text" class="w-12 h-12 text-center text-2xl border border-gray-300 dark:border-gray-700 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 dark:focus:ring-blue-600 bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-white" maxlength="1">
    </div>
    <button class="w-full bg-blue-600 hover:bg-blue-700 text-white font-bold py-3 rounded focus:outline-none focus:shadow-outline transition duration-200 dark:bg-blue-700 dark:hover:bg-blue-800">
      Verify Code
    </button>
    <div class="mt-6 text-center">
      <a href="#" class="text-blue-600 hover:underline dark:text-blue-500 text-sm">Resend Code</a>
      <span class="mx-2 text-gray-400 dark:text-gray-600">|</span>
      <a href="#" class="text-blue-600 hover:underline dark:text-blue-500 text-sm">Use another method</a>
    </div>
  </div>
</div>