:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f5f7fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  line-height: 1.65;
}

main {
  width: min(820px, calc(100% - 32px));
  margin: 48px auto;
  padding: clamp(28px, 5vw, 56px);
  background: #fff;
  border: 1px solid #dfe5ef;
  border-radius: 18px;
  box-shadow: 0 16px 50px rgba(35, 51, 84, 0.08);
}

h1, h2 { line-height: 1.2; }
h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 3rem); }
h2 { margin-top: 32px; font-size: 1.25rem; }
p, li { color: #3d475b; }
a { color: #195cc8; }
.eyebrow { margin: 0 0 12px; color: #195cc8; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.updated { margin-top: 0; color: #68748a; }
.notice { padding: 16px 18px; background: #eef4ff; border-left: 4px solid #195cc8; border-radius: 8px; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; padding-top: 24px; border-top: 1px solid #e4e9f1; }

@media (max-width: 600px) {
  main { margin: 16px auto; padding: 24px; border-radius: 12px; }
}