body{font-family:-apple-system,Segoe UI,Arial,sans-serif;max-width:720px;margin:40px auto;padding:0 16px;line-height:1.6;color:#111;background:#fff}
h1{font-size:28px}h2{font-size:20px;margin-top:28px}a{color:#e11d48}footer{margin-top:40px;font-size:14px;color:#666}