:root {
  /* Style D · 对齐 docs/04 */
  --soil-deep: #3c2f27;
  --soil-mid: #6b5344;
  --soil-light: #c4a484;
  --canopy: #2f6b4f;
  --canopy-bright: #3d8f5a;
  --sprout: #7cb069;
  --dawn: #f3ede4;
  --mist: #e8f2ea;
  --ink: #1c2421;
  --muted: #5c6b63;
  --bloom: #a588eb;
  --water: #5bb8c4;
  --fruit: #d4896a;
  --accent-cta: #2f6b4f;
  --surface: color-mix(in srgb, #fff 72%, var(--dawn));

  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --font-narrative: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
  --font-ui: ui-sans-serif, system-ui, "Segoe UI", sans-serif;

  --space-dock: 1rem;
  --stage-min-phone: 48vh;
  --pixel-scale: 3;
}

@media (min-width: 1024px) {
  :root {
    --pixel-scale: 4;
  }
}