Infographic tiến trình tiến hóa mạng di động từ 1G đến 6G

{
  "type": "vertical technology infographic poster",
  "topic": "evolution of mobile communications from 1G to 6G",
  "language": "Chinese",
  "style": "clean futuristic corporate infographic, white and pale blue gradient background, glossy 3D isometric platforms, blue-gray color palette, thin curved timeline, modern sans-serif and bold display typography, soft ambient lighting, subtle world map and network graphics",
  "headline": {
    "main": "[移动通信进化史]",
    "subtitle": "从语音连接到万物智联的进化之路",
    "intro": "五十余年来，移动通信以一代代技术的跃迁，不断突破速度、容量与体验的边界，连接人与人，也连接一切可能。"
  },
  "layout": {
    "orientation": "portrait",
    "sections": [
      {
        "title": "技术演进维度",
        "position": "upper left",
        "count": 4,
        "labels": [
          "主要业务",
          "典型速率（下行峰值）",
          "核心技术",
          "代表事件 / 标准"
        ]
      },
      {
        "title": "1G",
        "position": "lower center-left on first pedestal",
        "count": 4,
        "labels": [
          "模拟语音时代",
          "模拟语音通话",
          "2.4 ~ 9.6 kbps",
          "模拟蜂窝技术（AMPS / NMT）"
        ]
      },
      {
        "title": "2G",
        "position": "mid-lower center-left on second pedestal",
        "count": 4,
        "labels": [
          "数字语音与短信",
          "数字语音、短信、基础数据业务",
          "9.6 ~ 64 kbps",
          "GSM / CDMA"
        ]
      },
      {
        "title": "3G",
        "position": "center on third pedestal",
        "count": 4,
        "labels": [
          "移动数据时代开启",
          "移动上网、邮件、音乐、视频通话",
          "几百kbps ~ 几Mbps",
          "WCDMA / CDMA2000"
        ]
      },
      {
        "title": "4G",
        "position": "upper center on fourth pedestal",
        "count": 4,
        "labels": [
          "移动互联网普及",
          "高速上网、视频流、移动应用爆发",
          "100Mbps级速率",
          "OFDMA、MIMO、全IP网络"
        ]
      },
      {
        "title": "5G",
        "position": "upper right-center on fifth pedestal",
        "count": 4,
        "labels": [
          "万物互联的新时代",
          "增强移动宽带、超可靠低时延、海量连接",
          "10Gbps级速率，毫秒级时延",
          "大规模MIMO、毫米波、网络切片"
        ]
      },
      {
        "title": "6G",
        "position": "top right on final pedestal",
        "count": 4,
        "labels": [
          "未来已来 智能互联的无限想象",
          "通信与感知、AI深度融合",
          "太赫兹通信、Tbps级速率",
          "原生智能、全域互联"
        ]
      },
      {
        "title": "关键技术与标准演进",
        "position": "bottom horizontal strip",
        "count": 6,
        "labels": [
          "模拟技术 AMPS / NMT",
          "数字技术 GSM / CDMA",
          "宽带CDMA 移动数据",
          "全IP与LTE OFDMA / MIMO",
          "5G新空口 5G NR",
          "6G新范式 太赫兹 / AI原生"
        ]
      },
      {
        "title": "bottom metrics row",
        "position": "very bottom",
        "count": 5,
        "labels": [
          "连接数 从0到千亿+",
          "速率提升 百万倍+",
          "移动用户 超55亿（2024）",
          "覆盖范围 全球人口95%+",
          "形态演进 大如砖头 薄如卡片"
        ]
      }
    ],
    "timeline": {
      "shape": "large upward sweeping arc from bottom left to top right",
      "milestones": [
        {
          "year": "1980s",
          "generation": "1G",
          "device": "large black brick mobile phone with long antenna",
          "icons_count": 1
        },
        {
          "year": "1991",
          "generation": "2G",
          "device": "dark candybar phone with antenna and green monochrome screen",
          "icons_count": 2
        },
        {
          "year": "1999",
          "generation": "3G",
          "device": "silver and black feature phone with blue screen and keypad",
          "icons_count": 3
        },
        {
          "year": "2009",
          "generation": "4G",
          "device": "early touchscreen smartphone with app icons",
          "icons_count": 2
        },
        {
          "year": "2019",
          "generation": "5G",
          "device": "modern black smartphone showing glowing 5G screen",
          "icons_count": 4
        },
        {
          "year": "2030+",
          "generation": "6G",
          "device": "miniature smart city diorama with drones and futuristic skyline",
          "icons_count": 3
        }
      ]
    },
    "composition": "the left side contains the large title and a curved historical timeline with year labels 1980s, 1991, 1999, 2009, 2019, 2030+; six ascending floating rectangular pedestals run diagonally upward; each pedestal displays one generation device or scene with large blue generation text beside it and explanatory Chinese body text to the right; top area includes a faint globe illustration; bottom includes a rounded horizontal standards bar and a separate row of five icon-based summary statistics; lots of negative space, precise alignment, subtle drop shadows, premium presentation design"
  }
}