:root {
  --ink: #16241f;
  --muted: #55665f;
  --line: #dfe7e2;
  --brand: #1b4d3e;
  --brand-soft: #eaf3ee;
  --bg: #fbfcfa;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 20px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px 0; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { height: 36px; width: auto; }
nav { display: flex; gap: 18px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--brand); }
main { padding: 36px 0 56px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 20px; margin: 36px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
p, li { color: var(--ink); }
.lede { color: var(--muted); font-size: 18px; margin: 0 0 24px; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 28px; }
a { color: var(--brand); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; margin: 20px 0; }
.note { background: var(--brand-soft); border-color: #cfe2d7; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table-scroll { overflow-x: auto; margin: 12px 0; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding: 20px 0 32px; color: var(--muted); font-size: 14px; }