2x2身份锁定拼贴

A highly structured JSON-based prompt for Nano Banana Pro to generate a 2x2 grid photo collage. It strictly locks the identity of the subject from an uploaded image while varying the setting, action, and outfit across four distinct panels (night outdoors, city street, mirror selfie, golden hour vehicle).

{
  "image_layout": "2x2 格子拼贴，展示同一女性主体的四张不同照片。",

  "identity_lock": {
    "reference": "上传的图片",
    "rules": [
      "完全保留与上传参考图像相同的脸孔、脸部结构、体型、肤色和整体身份",
      "不要改变人物的外貌、年龄、种族或吸引力",
      "主体在所有四个面板中必须明显是同一个人"
    ]
  },

  "clothing_rules": {
    "base_rule": "服装可以与上传的图片完全匹配，或者是同一人会穿着的、自然推断的服装",
    "constraints": [
      "无剧烈风格变化",
      "无戏服般的装束",
      "服装必须与主体的真实时尚感协调"
    ]
  },

  "panels": [
    {
      "position": "top_left",
      "setting": "户外夜晚，深色背景，带有柔和照明的绿色植物",
      "action": "她一只手拿着蛋糕，另一只手的食指舔着糖霜",
      "outfit": {
        "description": "一套时髦的夜晚外出造型，符合主体的真实风格（可以匹配上传的服装或一个写实的替代方案）",
        "jewelry": "金色调配饰，如手表、手链、戒指和小型圈形耳环"
      },
      "props": {
        "item": "圆形白色糖霜蛋糕",
        "details": [
          "顶部有红色樱桃",
          "边缘有干净的白色糖霜线条",
          "蛋糕上有黑色糖霜文本"
        ]
      },
      "mood": "俏皮、自信、略带调皮"
    },

    {
      "position": "top_right",
      "setting": "白天的高档城市街道，有店面和树木",
      "action": "她随意地从一辆黑色豪华车的打开车门中探身出来，直视镜头",
      "outfit": {
        "description": "符合其身份的休闲时髦日装（可以重复使用上传的服装或合理的街头服饰变体）",
        "accessories": "极简首饰，小型肩背包"
      },
      "lighting": "明亮的自然日光，带有真实的阴影",
      "mood": "自信、令人向往、类似网红"
    },

    {
      "position": "bottom_left",
      "setting": "室内走廊，米色墙壁和木地板",
      "action": "全身镜子自拍",
      "outfit": {
        "description": "一套适合室内镜子自拍的搭配服装，与其时尚感一致",
        "accessories": "设计师风格手提包，叠戴手链"
      },
      "background_details": [
        "靠墙放置的大型金色边框镜子",
        "简约室内装饰，如干燥植物",
        "镜子反射中可见的门廊"
      ],
      "mood": "时尚、镇定、注重穿搭"
    },

    {
      "position": "bottom_right",
      "setting": "车内或窗户附近，黄金时段"
    }
  ]
}

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