class Spacing {
  static const page = 20.0;
  static const cardPadding = 18.0;
  static const cardGap = 14.0;
  static const sectionGap = 30.0;
  static const radiusBase = 7.2; // 0.45rem  --radius
  static const radiusBadge = 3.2; // --radius-sm (badge / tag)
  static const radiusBtn = 5.2; // --radius-md (button / input)
  static const radiusCard = 11.2; // --radius-xl (card / hero 容器)
}