:root{font-family:system-ui,sans-serif;line-height:1.5}body{margin:0;color:#14213d;background:#f8f9fa}.page{max-width:720px;margin:0 auto;padding:2rem 1.25rem}h1{font-size:1.9rem;margin:.2rem 0}h2{font-size:1.3rem;margin-top:1.5rem}img{max-width:100%;height:auto;border-radius:8px;background:#dfe3e8}nav a{margin-right:1rem;color:#1d4ed8}footer{margin-top:2rem;color:#555;font-size:.9rem}