{
 "sources": [
  {
   "t": "Protect Young Eyes《Best Phones for Kids: The Ultimate Guide》（Tech in Steps）",
   "u": "https://protectyoungeyes.com/es/blog-articles/best-phones-for-kids-ultimate-guide"
  },
  {
   "t": "ScreenWise《Best devices for kids》设备梯子",
   "u": "https://screenwiseapp.com/guides/best-devices-for-kids"
  },
  {
   "t": "艾瑞咨询 × 天猫《2024 年教育智能硬件市场与用户洞察报告》产业图谱（学习机部分）",
   "u": "https://report.iresearch.cn/report/202408/4369.shtml"
  }
 ],
 "about": "骨架：按美国家长圈「Tech in Steps」分阶段给设备的梯子分 8 框 22 层（家里先用 / 戴在身上 / 第一部手机 / 智能机 + 管控 / 拍摄 / AI 陪伴与学习），再照艾瑞 × 天猫 2024 教育智能硬件产业图谱加「学习平板」「口语与阅读」两框；只收适合 6–14 岁的设备，学习机只收学语言相关的。出处见 sources；then_now = 老做法 → AI 时代变成什么；new_layer = 原梯子里没有、新冒出来的层。ai_levels = 第二套拆法（按 AI 程度），读公司的 ai.lvl 字段。",
 "layers": [
  {
   "code": "a1",
   "name": "儿童座机",
   "then_now": "家里座机被手机取代 → 只能打给家长批准号码的 Wi-Fi 座机复兴，当「先不给手机」的替代",
   "new_layer": true,
   "box": "家里先用",
   "box_zh": "梯子第 1–2 级：还没有自己的设备"
  },
  {
   "code": "a2",
   "name": "儿童音箱与语音设备",
   "then_now": "收音机、故事机 → 带儿童模式的语音助手，AI 讲故事、答问题",
   "new_layer": false,
   "box": "家里先用",
   "box_zh": "梯子第 1–2 级：还没有自己的设备"
  },
  {
   "code": "b1",
   "name": "GPS 定位器",
   "then_now": "没有 → 挂书包的定位器，家长 App 看位置、设电子围栏",
   "new_layer": false,
   "box": "戴在身上",
   "box_zh": "梯子第 2 级：手表和定位器"
  },
  {
   "code": "b2",
   "name": "儿童通话手表",
   "then_now": "只能打电话的电话手表 → 白名单通话 + 定位 + 上课模式，部分加 AI 聊天",
   "new_layer": false,
   "box": "戴在身上",
   "box_zh": "梯子第 2 级：手表和定位器"
  },
  {
   "code": "b3",
   "name": "大厂手表的儿童模式",
   "then_now": "一人一表 → 家长手机给孩子配表（Apple 家人共享、Galaxy Watch for Kids、Fitbit Ace LTE）",
   "new_layer": false,
   "box": "戴在身上",
   "box_zh": "梯子第 2 级：手表和定位器"
  },
  {
   "code": "c1",
   "name": "基础机 · 笨手机",
   "then_now": "老人机 → 有设计感的极简手机，只打电话发短信、没有浏览器",
   "new_layer": false,
   "box": "第一部手机",
   "box_zh": "梯子第 3 级：儿童手机"
  },
  {
   "code": "c2",
   "name": "儿童安全智能机",
   "then_now": "给孩子旧 iPhone → 系统层锁死浏览器、社交、应用商店，家长批准 App 和联系人",
   "new_layer": false,
   "box": "第一部手机",
   "box_zh": "梯子第 3 级：儿童手机"
  },
  {
   "code": "c3",
   "name": "带 AI 的儿童手机",
   "then_now": "只管不教 → AI 给孩子用：识物探索、问答，AI 也替家长看风险",
   "new_layer": true,
   "box": "第一部手机",
   "box_zh": "梯子第 3 级：儿童手机"
  },
  {
   "code": "d1",
   "name": "系统自带的家长管控",
   "then_now": "没有 → Screen Time、Family Link、Samsung Kids，免费、人人都有",
   "new_layer": false,
   "box": "智能机 + 管控",
   "box_zh": "梯子第 4 级：普通手机加管控，和整条梯子的底座"
  },
  {
   "code": "d2",
   "name": "第三方监控与管控 App",
   "then_now": "关键词过滤 → AI 读消息和图片，识别霸凌、自残、诱骗，只把告警推给家长",
   "new_layer": false,
   "box": "智能机 + 管控",
   "box_zh": "梯子第 4 级：普通手机加管控，和整条梯子的底座"
  },
  {
   "code": "d3",
   "name": "运营商儿童套餐与 MVNO",
   "then_now": "家庭套餐加一条线 → 运营商自带手表套餐和管控，儿童手机厂自建虚拟运营商",
   "new_layer": false,
   "box": "智能机 + 管控",
   "box_zh": "梯子第 4 级：普通手机加管控，和整条梯子的底座"
  },
  {
   "code": "e1",
   "name": "儿童数码相机 · 卡片机",
   "then_now": "玩具相机 → 耐摔、带滤镜和小游戏的儿童相机，无屏复古相机走红",
   "new_layer": false,
   "box": "拍摄",
   "box_zh": "梯子外：儿童相机 / 卡片机"
  },
  {
   "code": "e2",
   "name": "即拍即印相机",
   "then_now": "胶片拍立得 → 热敏纸或 instax 打印的儿童相机",
   "new_layer": false,
   "box": "拍摄",
   "box_zh": "梯子外：儿童相机 / 卡片机"
  },
  {
   "code": "e3",
   "name": "AI 识物 · 学习相机",
   "then_now": "拍照留念 → 拍到什么讲什么：认昆虫植物、翻成外语",
   "new_layer": true,
   "box": "拍摄",
   "box_zh": "梯子外：儿童相机 / 卡片机"
  },
  {
   "code": "f1",
   "name": "儿童 AI 陪伴玩具 · 机器人",
   "then_now": "会说固定台词的玩具 → 接大模型、记得孩子、家长能看对话的毛绒玩具和桌面机器人",
   "new_layer": true,
   "box": "AI 陪伴与学习",
   "box_zh": "梯子外：和 AI 陪伴机器人图交叉"
  },
  {
   "code": "f2",
   "name": "屏幕外的口袋设备",
   "then_now": "平板 → 不能刷视频的音频卡片机、语音消息掌机",
   "new_layer": false,
   "box": "AI 陪伴与学习",
   "box_zh": "梯子外：和 AI 陪伴机器人图交叉"
  },
  {
   "code": "f3",
   "name": "AI 学伴掌机 · 魔杖",
   "then_now": "学习机放家里 → 随身的口袋 AI 学伴，陪孩子说英语、扫纸书",
   "new_layer": true,
   "box": "AI 陪伴与学习",
   "box_zh": "梯子外：和 AI 陪伴机器人图交叉"
  },
  {
   "code": "g1",
   "name": "AI 学习机 · 学习平板",
   "then_now": "家教机、带题库的平板 → 内置教育大模型的「AI 老师」：AI 外教口语、拍题讲题、学情诊断",
   "new_layer": false,
   "box": "学习平板",
   "box_zh": "学习机：艾瑞「学练类」"
  },
  {
   "code": "g2",
   "name": "大厂平板的儿童 · 学习模式",
   "then_now": "通用平板装学习 App → 厂商出儿童版或和教育公司联名的双模式平板",
   "new_layer": false,
   "box": "学习平板",
   "box_zh": "学习机：艾瑞「学练类」"
  },
  {
   "code": "h1",
   "name": "单词卡 · 口袋口语机",
   "then_now": "纸质单词卡、复读机 → 口袋屏背单词、听力，AI 跟读打分",
   "new_layer": false,
   "box": "口语与阅读",
   "box_zh": "学习机：背单词、点读、读绘本"
  },
  {
   "code": "h2",
   "name": "点读笔",
   "then_now": "配套贴码书点读 → 任意书点读、AI 讲解、发音评测",
   "new_layer": false,
   "box": "口语与阅读",
   "box_zh": "学习机：背单词、点读、读绘本"
  },
  {
   "code": "h3",
   "name": "AI 绘本机",
   "then_now": "家长讲绘本 → 摄像头认书随翻随读，AI 提问互动、读英文绘本",
   "new_layer": false,
   "box": "口语与阅读",
   "box_zh": "学习机：背单词、点读、读绘本"
  }
 ],
 "ai_levels": [
  {
   "code": "W-n",
   "name": "没有 AI 功能",
   "desc": "管控全靠家长设置",
   "ai_lvl": [
    "none"
   ],
   "section": "没有 AI"
  },
  {
   "code": "W-g",
   "name": "AI 管控",
   "desc": "扫消息、图片、网页，识别霸凌、自残、诱骗",
   "ai_lvl": [
    "guard"
   ],
   "section": "AI 帮家长"
  },
  {
   "code": "W-f",
   "name": "识别、评测",
   "desc": "固定功能的 AI：拍了认、读了打分",
   "ai_lvl": [
    "feat"
   ],
   "section": "AI 给孩子用 · 识别评测"
  },
  {
   "code": "W-k",
   "name": "接大模型",
   "desc": "孩子直接和大模型说话或拍照问",
   "ai_lvl": [
    "kid"
   ],
   "section": "AI 给孩子用 · 接大模型"
  }
 ]
}