body{font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a1a;max-width:46rem;margin:0 auto;padding:2rem 1.25rem}
header a{color:inherit;text-decoration:none;font-weight:700}nav a{margin-left:1rem;color:#005bd3}
h1{font-size:1.9rem;line-height:1.25}h2{font-size:1.2rem;margin-top:2rem}footer{margin-top:3rem;color:#616161;font-size:.9rem}
.card{border:1px solid #e3e3e3;border-radius:12px;padding:1rem 1.25rem;margin:1rem 0}