:root {
  --brand: #0f766e;
  --brand-dark: #062f2d;
  --accent: #f5a524;
  --ink: #0c1c1b;
  --ink-soft: #475a58;
  --line: #e1e8e6;
  --canvas: #f3f6f5;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
}
header {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff;
  padding: 20px 16px;
}
header .wrap { display: flex; align-items: center; gap: 12px; }
header a { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; }
header nav { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; }
header nav a { font-weight: 500; font-size: 14px; opacity: 0.85; }
.wrap { max-width: 860px; margin: 0 auto; }
main { padding: 24px 16px 48px; }
article { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 28px 0 8px; color: var(--brand-dark); }
p, li { color: var(--ink-soft); }
.muted { font-size: 13px; color: var(--ink-soft); }
a { color: var(--brand); }
.box { background: #e6f4f1; border-radius: 12px; padding: 14px 16px; margin: 16px 0; }
.hero { text-align: center; padding: 32px 0 8px; }
.hero h1 { font-size: 34px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.card b { display: block; margin-bottom: 4px; color: var(--ink); }
footer { text-align: center; padding: 24px 16px; font-size: 13px; color: var(--ink-soft); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
td, th { border: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
th { background: var(--canvas); }