body { margin: 0; background: #F8FAFC; color: #0F172A; font: 18px/1.65 'Inter', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; }
main { max-width: 820px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
p, li { margin: 0 0 10px; }
ul { padding-left: 22px; margin: 0 0 10px; }
a { color: #0369A1; }
.back { display: inline-block; margin-bottom: 24px; font-weight: 600; }
.muted { color: #475569; font-size: .95rem; }