HTML 代码
<div class="flex items-center justify-center min-h-screen bg-stone-100 dark:bg-stone-900 p-4">
<div class="bg-gradient-to-br from-stone-300 to-stone-400 dark:from-stone-700 dark:to-stone-800 p-8 rounded-xl shadow-2xl border-t border-l border-stone-200 dark:border-stone-600 transform transition-all duration-300 hover:scale-105 active:scale-95">
<h2 class="text-center text-stone-800 dark:text-stone-100 text-2xl font-semibold mb-6 drop-shadow-md">Join Us</h2>
<div class="space-y-4">
<button class="w-full flex items-center justify-center bg-brown-500 hover:bg-brown-600 text-white font-bold py-3 px-4 rounded-lg shadow-lg hover:shadow-xl focus:outline-none focus:ring-2 focus:ring-brown-400 focus:ring-opacity-75 transform transition-all duration-200 active:translate-y-0.5">
<img src="https://www.google.com/images/branding/googleg/2x/googleg_standard_color_64dp.png" alt="Google icon" class="w-6 h-6 mr-3 filter drop-shadow-md">Sign in with Google
</button>
<button class="w-full flex items-center justify-center bg-blue-700 hover:bg-blue-800 text-white font-bold py-3 px-4 rounded-lg shadow-lg hover:shadow-xl focus:outline-none focus:ring-2 focus:ring-blue-600 focus:ring-opacity-75 transform transition-all duration-200 active:translate-y-0.5">
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/2021_Facebook_icon.svg/1024px-2021_Facebook_icon.svg.png" alt="Facebook icon" class="w-6 h-6 mr-3 filter drop-shadow-md">Sign in with Facebook
</button>
<button class="w-full flex items-center justify-center bg-gray-800 hover:bg-gray-900 text-white font-bold py-3 px-4 rounded-lg shadow-lg hover:shadow-xl focus:outline-none focus:ring-2 focus:ring-gray-700 focus:ring-opacity-75 transform transition-all duration-200 active:translate-y-0.5">
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/X_logo_2023.svg/512px-X_logo_2023.svg.png" alt="X icon" class="w-6 h-6 mr-3 filter drop-shadow-md">Sign in with X
</button>
</div>
<p class="text-center text-stone-700 dark:text-stone-300 text-sm mt-6">
By joining, you agree to our <a href="#" class="text-brown-600 hover:text-brown-700 dark:text-brown-400 dark:hover:text-brown-500 font-medium">Terms of Service</a>.
</p>
</div>
</div>