:root {
  --color-paper: oklch(98.7% 0.006 252);
  --color-paper-raised: oklch(100% 0 0);
  --color-paper-muted: oklch(96.2% 0.009 252);
  --color-ink: oklch(20% 0.025 255);
  --color-ink-2: oklch(39% 0.025 255);
  --color-muted: oklch(55% 0.022 255);
  --color-rule: oklch(88% 0.012 252);
  --color-rule-strong: oklch(78% 0.018 252);
  --color-accent: oklch(55% 0.21 255);
  --color-accent-hover: oklch(48% 0.2 255);
  --color-accent-ink: oklch(100% 0 0);
  --color-focus: oklch(62% 0.2 255);
  --color-success: oklch(48% 0.13 150);

  --font-display: Bahnschrift, "Microsoft YaHei UI", "PingFang SC", sans-serif;
  --font-body: "Segoe UI Variable Text", "PingFang SC", "Microsoft YaHei", sans-serif;

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.25rem;
  --text-display-s: clamp(2.4rem, 5.8vw, 4.7rem);

  --radius-control: 0.5rem;
  --radius-panel: 0.75rem;
  --radius-media: 1rem;
  --rule-thin: 1px;
  --dur-short: 160ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
}