:root { color-scheme: light; --paper: #f6f7f3; --ink: #17201d; --muted: #59655e; --line: #dfe5df; --blue: #2859e8; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--paper); color: var(--ink); line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-wrap: anywhere; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 28px; }
a { color: var(--blue); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
header { position: sticky; top: 0; z-index: 50; background: rgba(246, 247, 243, .96); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 760; letter-spacing: -.03em; color: var(--ink); text-decoration: none; }
.brand .mark { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 9px; background: var(--ink); color: #fff; font-size: 15px; }
nav { display: flex; gap: 20px; flex-wrap: wrap; }
nav a { padding: 8px 0; color: var(--muted); text-decoration: none; font-size: 13px; }
nav a:hover { color: var(--ink); }
main { padding-top: 72px !important; padding-bottom: 90px !important; }
main h1 { font-size: clamp(34px, 6vw, 52px); font-weight: 650; letter-spacing: -.055em; line-height: 1.08; margin-bottom: 18px; }
main p.updated { color: var(--muted); font-size: 13px; margin-bottom: 38px; }
main h2 { font-size: 21px; letter-spacing: -.025em; margin: 40px 0 14px; scroll-margin-top: 100px; }
main h3 { font-size: 17px; margin: 26px 0 12px; }
main p, main li { color: #3f4a45; font-size: 15px; }
main p { margin-bottom: 16px; }
main ul { margin: 10px 0 18px 22px; }
main li { margin-bottom: 9px; }
main strong { color: var(--ink); }
main table { width: 100%; border-collapse: collapse; margin: 16px 0 22px; font-size: 14px; }
main th, main td { border: 1px solid var(--line); padding: 12px; text-align: left; vertical-align: top; color: #3f4a45; }
main th { background: #edf1ed; color: var(--ink); font-weight: 650; }
footer { border-top: 1px solid var(--line); padding: 32px 0 40px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer .wrap > div:first-child { display: flex; flex-wrap: wrap; gap: 12px 22px; }
footer a.flink { display: inline-block; color: var(--muted); font-size: 13px; text-decoration: none; padding: 6px 0; }
footer a.flink:hover { color: var(--ink); }
footer .copy { color: var(--muted); font-size: 12px; width: 100%; }
@media (max-width: 560px) {
  .wrap { padding-left: 18px; padding-right: 18px; }
  header .wrap { min-height: 68px; gap: 12px; }
  nav { gap: 12px; }
  nav a { font-size: 12px; }
  main { padding-top: 48px !important; padding-bottom: 64px !important; }
  main p, main li { font-size: 14px; }
  main th, main td { padding: 8px; font-size: 12px; }
}