粘性导航组件

<nav class="bg-gray-200 dark:bg-gray-800 p-4 shadow-lg sticky top-0 z-50">
  <div class="container mx-auto flex justify-between items-center">
    <div class="text-2xl font-bold text-gray-800 dark:text-white">SkeuoNav</div>
    <ul class="flex space-x-4">
      <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-gray-800 dark:hover:text-white">Home</a></li>
      <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-gray-800 dark:hover:text-white">About</a></li>
      <li><a href="#" class="text-gray-600 dark:text-gray-300 hover:text-gray-800 dark:hover:text-white">Contact</a></li>
    </ul>
  </div>

</nav>