:root {
  /* 浅色主题 */
  --paper: #f4f5f7;
  --paper-card: #ffffff;
  --ink: #1f2430;
  --ink-soft: #5b6473;
  --line: #dfe3ea;
  --accent: #3a6ea5;
  --accent-soft: #eaf1f8;

  /* 深色主题 */
  --void: #07090d;
  --void-2: #0c0f16;
  --term: #cdd6e3;
  --term-dim: #6b7686;
  --amber: #ff9b3d;
  --tube: #ff7a2e;
  --teal: #3fd0c9;
  --danger: #ff5a5a;

  --mono: "SFMono-Regular", "JetBrains Mono", "DejaVu Sans Mono", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}