:root{font-family:Arial,Helvetica,sans-serif;color:#111;background:#fff}body{margin:0}main{max-width:960px;margin:0 auto;padding:48px 24px}a{color:inherit}.card{border:1px solid #ddd;border-radius:12px;padding:20px;margin:16px 0}.meta{color:#666;font-size:14px}