body{margin:0;background:#f8fafc;color:#1e293b;font:16px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}main{max-width:760px;margin:0 auto;padding:48px 24px 72px}h1{font-size:30px;margin:0 0 20px}h2{font-size:20px;margin-top:30px}a{color:#0369a1}nav{margin-bottom:36px}nav a{margin-right:18px}footer{margin-top:48px;padding-top:20px;border-top:1px solid #e2e8f0;color:#64748b;font-size:14px}