:root {
  color-scheme: dark;
  --bg: #070613;
  --panel: #101027;
  --text: #f7f7fb;
  --muted: #b8b8c8;
  --gold: #ffe033;
  --cyan: #00e5ff;
  --pink: #ff1a6c;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--cyan); }
a:hover { color: var(--gold); }
a:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.site-header { border-bottom: 2px solid rgba(255, 224, 51, .25); background: #060611; }
.site-header div { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 860px; margin: 0 auto; padding: 18px 22px; }
.brand { color: var(--text); font-size: 23px; font-weight: 900; letter-spacing: 2px; text-decoration: none; }
.back { font-weight: 700; }
main { max-width: 860px; margin: 0 auto; padding: 50px 22px 80px; }
h1 { margin: 0 0 8px; font-size: clamp(34px, 7vw, 52px); line-height: 1.1; }
h2 { margin: 42px 0 10px; color: var(--gold); font-size: 24px; line-height: 1.3; }
p, li { color: #dedee8; }
li + li { margin-top: 8px; }
.meta { margin: 0 0 36px; color: var(--muted); font-size: 15px; }
.notice { margin: 28px 0; padding: 18px 20px; border-left: 6px solid var(--pink); border-radius: 6px 16px 16px 6px; background: var(--panel); }
code { padding: 2px 6px; border-radius: 5px; background: #1c1c36; color: var(--gold); }
.site-footer { padding: 26px 22px; border-top: 1px solid rgba(255, 255, 255, .15); color: var(--muted); text-align: center; }

@media (max-width: 520px) {
  body { font-size: 16px; }
  .site-header div { align-items: flex-start; flex-direction: column; gap: 6px; }
  main { padding-top: 36px; }
}