*{box-sizing:border-box}body{margin:0;background:#f8fafc;color:#172033;font-family:system-ui,-apple-system,sans-serif}main{max-width:1100px;margin:48px auto;padding:0 24px}h1{font-size:clamp(1.7rem,4vw,2.6rem)}h2{margin-top:3rem}p{line-height:1.6;color:#475569}