body { margin: 0; font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: #101826; background: #eef2f8; }
main { max-width: 680px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 30px; line-height: 1.15; margin: 0 0 8px; color: #003366; }
h2 { font-size: 20px; margin: 28px 0 8px; }
p, li { margin: 0 0 12px; }
a { color: #004480; }
nav { font-size: 15px; margin-bottom: 24px; }
nav a + a { margin-left: 16px; }
.small { font-size: 14px; color: #55627a; }