:root {
  --paper: #f3eee4;
  --paper-alt: #f4f0e7;
  --paper-deep: #eae4d8;
  --ink: #171816;
  --ink-soft: #53534d;
  --muted: #77766e;
  --quiet: #aaa89f;
  --terracotta: #c65433;
  --terracotta-deep: #a63326;
  --verified: #397153;
  --line: rgba(23, 24, 22, 0.18);
  --line-strong: rgba(23, 24, 22, 0.42);
  --paper-line: rgba(243, 238, 228, 0.2);
  --paper-muted: rgba(243, 238, 228, 0.68);
  --font-display-en: "Newsreader", Georgia, serif;
  --font-display-zh: "Noto Serif SC", Songti SC, serif;
  --font-body: "Manrope", "Noto Sans SC", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(1.25rem, 3.2vw, 3.5rem);
  --content-max: 1640px;
  --header-height: 78px;
  --section-space: clamp(6rem, 11vw, 11rem);
  --focus-ring: 0 0 0 3px color-mix(in oklch, var(--terracotta) 45%, transparent);
  color-scheme: light;
}