:root {
  --brand: #0F766E;
  --text: #1F2328;
  --muted: #5B6168;
  --bg: #F5F3ED;
  --card: #FFFFFF;
  --border: #E6E1D2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 48px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
header img { width: 44px; height: 44px; border-radius: 10px; }
header span { font-size: 20px; font-weight: 700; }
nav { margin: 8px 0 24px; font-size: 15px; }
nav a { color: var(--brand); font-weight: 600; text-decoration: none; margin-right: 16px; }
section { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px; margin-bottom: 24px; }
h1 { font-size: 26px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 24px 0 8px; }
p, li { color: var(--text); }
.lead { color: var(--muted); margin-top: 0; }
ol, ul { padding-left: 22px; margin: 8px 0; }
li { margin: 4px 0; }
a { color: var(--brand); }
footer { color: var(--muted); font-size: 14px; text-align: center; }