:root{color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1e293b;background:#f8fafc}*{box-sizing:border-box}body{margin:0}.wrap{max-width:790px;margin:auto;padding:40px 24px}header{background:#10355f;color:white}header .wrap{padding-top:26px;padding-bottom:26px}header a{color:white}h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.2}h2{margin-top:2rem;font-size:1.25rem}p,li{line-height:1.7}a{color:#145ea8}nav{display:flex;gap:20px;flex-wrap:wrap;margin-top:15px}footer{border-top:1px solid #cbd5e1;color:#475569;font-size:.9rem}main{min-height:60vh}small{color:#64748b}