:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#172334;background:#f5f8f9}*{box-sizing:border-box}body{margin:0;font-size:1rem;line-height:1.7}header,main{width:min(760px,calc(100% - 2rem));margin:auto}header{padding:1.5rem 0;border-bottom:1px solid #dce5e9}header a{color:#0b1f33;text-decoration:none;font-weight:800}main{margin-block:2.5rem;padding:clamp(1.5rem,6vw,3.5rem);background:#fff;border:1px solid #dce5e9;border-radius:1rem}h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(2.5rem,7vw,3.75rem);line-height:1.05;margin:0 0 .75rem}h2{font-size:1.25rem;margin-top:2rem}p{color:#556777}a{color:#12667a}code{background:#eef3f5;padding:.1rem .35rem;border-radius:.25rem}