:root {
  color-scheme: light;
  font: 16px/1.65 Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f4f7fb;
}
* { box-sizing: border-box; }
body { margin: 0; padding: 28px 16px 56px; }
main { max-width: 860px; margin: auto; padding: clamp(24px, 5vw, 48px); background: #fff; border: 1px solid #dfe6f0; border-radius: 22px; box-shadow: 0 18px 50px #26355a12; }
nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid #e6ebf2; }
a { color: #175cd3; text-underline-offset: 3px; }
h1, h2 { line-height: 1.25; color: #101828; }
h1 { margin: 0 0 12px; font-size: clamp(1.8rem, 5vw, 2.55rem); }
h2 { margin-top: 2.25rem; font-size: 1.2rem; }
p, li { max-width: 76ch; }
.lead { font-size: 1.08rem; color: #475467; }
.notice { padding: 14px 16px; border: 1px solid #b2ccff; border-radius: 12px; background: #eff6ff; color: #1849a9; }
.warning { border-color: #fec84b; background: #fffaeb; color: #93370d; }
.meta, footer { color: #667085; font-size: .92rem; }
footer { margin-top: 36px; padding-top: 18px; border-top: 1px solid #e6ebf2; }
code { padding: 2px 6px; border-radius: 6px; background: #f2f4f7; }