<html><head> <meta charset="UTF-8"> <title>蝴蝶教程（jc2182.com）</title> <style> p { border: 1px solid powderblue; padding: 30px; } </style></head><body><h1>这是标题</h1><p>这是段落1</p><p>这是段落2</p><p>这是段落3</p></body></html>