:root {
  --grass: #4CAF50;
  --grass-dark: #388E3C;
  --grass-soft: #EAF7EA;
  --milk: #FBFAF5;
  --text: #2A2A2A;
  --muted: #6b6b6b;
  --border: #E6E6E2;
  --white: #fff;
  --radius: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text); background: var(--milk); line-height: 1.7;
}
a { color: var(--grass-dark); }

header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,250,245,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { width: 100%; max-width: 880px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 19px; color: var(--grass-dark); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.back { color: var(--muted); font-weight: 600; text-decoration: none; font-size: 14px; }
.back:hover { color: var(--grass-dark); }

main { width: 100%; max-width: 880px; margin: 0 auto; padding: 40px 20px 64px; }
.doc { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.doc h1 { font-size: 30px; letter-spacing: -.5px; color: var(--grass-dark); margin-bottom: 6px; }
.updated { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.note {
  background: #FFF6EC; border: 1px solid #F2D9B6; color: #8A5A12;
  border-radius: 12px; padding: 12px 14px; font-size: 13.5px; margin: 16px 0 24px;
}
.doc h2 { font-size: 20px; margin: 28px 0 10px; color: var(--text); }
.doc h3 { font-size: 16px; margin: 18px 0 6px; color: var(--text); }
.doc p { margin: 8px 0; color: #333; }
.doc ul, .doc ol { margin: 8px 0 8px 22px; color: #333; }
.doc li { margin: 5px 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14.5px; }
.doc th, .doc td { border: 1px solid var(--border); padding: 9px 11px; text-align: left; vertical-align: top; }
.doc th { background: var(--grass-soft); color: var(--grass-dark); font-weight: 700; }
.doc strong { color: var(--text); }
.toc { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 20px 0 8px; }
.toc a { font-size: 14px; }

footer { border-top: 1px solid var(--border); padding: 26px 20px 40px; text-align: center; color: var(--muted); font-size: 13px; }
.footlinks { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: center; margin-bottom: 14px; }
.footlinks a { color: var(--muted); text-decoration: none; font-weight: 600; }
.footlinks a:hover { color: var(--grass-dark); }
@media (max-width: 600px) { .doc { padding: 22px; } .doc h1 { font-size: 24px; } }