:root {
  --brand: #61B74F;
  --brand-d: #4f9e3f;
  --navy: #16163F;
  --ink: #1f2333;
  --muted: #5b6172;
  --bg: #F6F8ED;
  --card: #ffffff;
  --line: #e6e8df;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px 64px; }
header.top {
  background: var(--navy);
  color: #fff;
  padding: 28px 20px;
}
header.top .wrap { padding-bottom: 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: -0.5px; }
.brand .dot { width: 14px; height: 14px; border-radius: 4px; background: var(--brand); display: inline-block; transform: rotate(45deg); }
header.top p { margin: 8px 0 0; color: #c9cde0; font-size: 14px; }
nav.docs { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
nav.docs a {
  color: #fff; text-decoration: none; font-size: 13px; font-weight: 600;
  border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 6px 14px;
}
nav.docs a:hover { background: var(--brand); border-color: var(--brand); }
h1 { font-size: 30px; line-height: 1.2; margin: 36px 0 6px; letter-spacing: -0.6px; }
h1 .accent { color: var(--brand); font-style: italic; }
.eff { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 34px 0 8px; letter-spacing: -0.3px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
p, li { font-size: 15.5px; color: var(--ink); }
.muted { color: var(--muted); }
a { color: var(--brand-d); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; margin: 14px 0; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #eef1e4; font-weight: 700; }
.lang-switch { margin: 24px 0 8px; }
.lang-switch a { display: inline-block; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 999px; background: var(--brand); color: #fff; text-decoration: none; }
.divider { height: 1px; background: var(--line); margin: 44px 0; }
footer { color: var(--muted); font-size: 13px; padding: 24px 20px 60px; text-align: center; }
code { background: #eef1e4; padding: 2px 6px; border-radius: 6px; font-size: 13px; }