{
  "//": "iOS 平台 tokens。基于 Human Interface Guidelines（2025 Liquid Glass 更新后）。",
  "meta": {
    "platform": "ios",
    "referenceDevices": {
      "iPhone 15 Pro": { "width": 393, "height": 852, "scale": 3 },
      "iPhone 16 Pro": { "width": 393, "height": 852, "scale": 3 },
      "iPhone SE 3":  { "width": 375, "height": 667, "scale": 2 }
    },
    "designWidth": 390
  },
  "units": {
    "pt": "iOS 用 pt 标注，@2x/@3x 切图。设计稿基准用 390pt。"
  },
  "layout": {
    "statusBar": {
      "dynamicIsland": 59,
      "notch": 47,
      "legacy": 44
    },
    "navBar": {
      "standard": 44,
      "large": 96,
      "note": "标准导航栏 44pt；大标题导航栏 96pt（含状态栏）"
    },
    "tabBar": {
      "standard": 49,
      "withLargeContent": 83
    },
    "toolBar": 44,
    "safeArea": {
      "top": { "dynamicIsland": 59, "notch": 47, "legacy": 20 },
      "bottom": { "homeIndicator": 34, "legacy": 0 }
    }
  },
  "typography": {
    "fontFamily": {
      "default": ["SF Pro", "PingFang SC", "system-ui"],
      "rounded": ["SF Pro Rounded"],
      "monospaced": ["SF Mono", "Menlo"]
    },
    "textStyles": {
      "largeTitle":  { "size": 34, "weight": 700, "lineHeight": 41 },
      "title1":      { "size": 28, "weight": 700, "lineHeight": 34 },
      "title2":      { "size": 22, "weight": 700, "lineHeight": 28 },
      "title3":      { "size": 20, "weight": 600, "lineHeight": 25 },
      "headline":    { "size": 17, "weight": 600, "lineHeight": 22 },
      "body":        { "size": 17, "weight": 400, "lineHeight": 22 },
      "callout":     { "size": 16, "weight": 400, "lineHeight": 21 },
      "subheadline": { "size": 15, "weight": 400, "lineHeight": 20 },
      "footnote":    { "size": 13, "weight": 400, "lineHeight": 18 },
      "caption1":    { "size": 12, "weight": 400, "lineHeight": 16 },
      "caption2":    { "size": 11, "weight": 400, "lineHeight": 13 }
    }
  },
  "colors": {
    "system": {
      "blue":    "#007AFF",
      "green":   "#34C759",
      "indigo":  "#5856D6",
      "orange":  "#FF9500",
      "pink":    "#FF2D55",
      "purple":  "#AF52DE",
      "red":     "#FF3B30",
      "teal":    "#5AC8FA",
      "yellow":  "#FFCC00"
    },
    "gray": {
      "base":   "#8E8E93",
      "2":      "#AEAEB2",
      "3":      "#C7C7CC",
      "4":      "#D1D1D6",
      "5":      "#E5E5EA",
      "6":      "#F2F2F7"
    },
    "background": {
      "light": "#F2F2F7",
      "dark":  "#000000",
      "secondaryLight": "#FFFFFF",
      "secondaryDark":  "#1C1C1E"
    }
  },
  "shapes": {
    "note": "iOS 标准圆角比例 = 连续曲率（squircle），CSS 用 border-radius 近似即可。",
    "small": 10,
    "medium": 13,
    "large": 20,
    "extraLarge": 28,
    "button": 13,
    "card": 20
  },
  "spacing": {
    "note": "iOS 常用间距 4/8/12/16/20/24pt。页面边距默认 16pt，紧凑 12pt。",
    "pageMargin": 16,
    "pageMarginCompact": 12,
    "sectionGap": 24,
    "itemGap": 8
  },
  "touchTarget": {
    "min": 44
  }
}