:root {
  --bg: #faf7f2;
  --card: #ffffff;
  --text: #2b2b2b;
  --muted: #6b6b6b;
  --primary: #7c9a83;
  --border: #e7e1d8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
header {
  padding: 32px 20px 16px;
  text-align: center;
}
header a { color: var(--primary); text-decoration: none; font-weight: 600; }
nav { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 24px;
}
h1 { font-size: 28px; margin: 0 0 4px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.updated { color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }
a { color: var(--primary); }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; }
.lang { border-top: 1px solid var(--border); margin-top: 28px; padding-top: 20px; }