:root {
  --color-ink: #33495b;
  --color-muted: #738598;
  --color-blue: #7ea2d8;
  --color-blue-deep: #506f9e;
  --color-warm: #d99152;
  --color-warm-deep: #c67732;
  --color-line: rgba(120, 153, 196, 0.18);
  --color-glass: rgba(255, 255, 255, 0.78);
  --shadow-soft: 0 22px 58px rgba(93, 121, 157, 0.12);

  --font-serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
  --font-sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;

  --radius-card: 8px;
  --motion-air: 1.2s ease;
}