:root {
  --color-paper: #f7f3eb;
  --color-ink: #353536;
  --color-ink-wash: rgba(53, 53, 54, 0.72);
  --color-cinnabar: #b75b4b;
  --color-mist-blue: #dfe5f2;
  --color-mist-violet: #d9d9ec;

  --font-display: "STKaiti", "KaiTi", "Noto Serif CJK SC", serif;
  --font-body: "Noto Serif CJK SC", "Songti SC", SimSun, serif;
  --font-ui: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;

  --font-size-display: 64px;
  --font-size-title: 32px;
  --font-size-body: 16px;
  --font-size-caption: 12px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;

  --motion-fast: 160ms;
  --motion-standard: 280ms;
  --motion-slow: 600ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(0.2, 0.8, 0.2, 1);
}