HTML 代码
<a href="#main-content" class="skip-to-content-link sr-only focus:not-sr-only focus:absolute focus:top-4 focus:left-4 focus:bg-gray-200 focus:text-gray-900 focus:px-4 focus:py-2 focus:rounded focus:shadow-lg dark:focus:bg-gray-700 dark:focus:text-gray-100 dark:focus:shadow-xl">Skip to content</a>
<main id="main-content" class="p-4">
<!-- Your main content goes here -->
<h1 class="text-2xl font-bold mb-4 text-gray-800 dark:text-gray-200">Main Content Area</h1>
<p class="text-gray-700 dark:text-gray-300">This is the main content of the page. The "Skip to content" link will bring you here.</p>
</main>