:root {
  --bg: #FAF0E7;
  --card: #FFFBF4;
  --deep: #582D1D;
  --accent: #C05A32;
  --muted: #B08A72;
  --border: #F0DDC6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--deep);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Noto Sans JP", sans-serif;
  line-height: 1.75;
}
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
h1 { font-size: 1.7rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 36px 0 8px; color: var(--accent); }
p, li { font-size: 0.98rem; }
.updated { color: var(--muted); font-size: 0.85rem; margin-bottom: 28px; }
.lang-switch { margin-bottom: 32px; font-size: 0.9rem; }
.lang-switch a { color: var(--accent); text-decoration: none; margin-right: 14px; }
.lang-switch a:hover { text-decoration: underline; }
.brand {
  display: flex; align-items: center; gap: 10px; margin-bottom: 24px;
}
.brand .mark {
  width: 42px; height: 42px; border-radius: 11px; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  color: var(--card); font-size: 1.3rem;
}
.brand .name { font-weight: 600; font-size: 1.05rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 24px; margin: 16px 0;
}
a { color: var(--accent); }
footer { color: var(--muted); font-size: 0.82rem; margin-top: 48px; }