怀旧胶卷相机肖像

A highly technical prompt for generating a photorealistic portrait with a nostalgic film aesthetic (Kodak Portra 400 emulation). It specifies a messy, intimate bedroom setting, soft flash lighting, and strict negative prompts to ensure realistic skin texture and avoid digital smoothing.

{
  "模型": "gemini-nano-banana-pro",
  "任务": "image_generation",
  "风格": "cinematic_realism",
  "场景": {
    "设置": "带有亲密、生活感的小卧室",
    "背景": "墙壁覆盖着拍立得照片、手写笔记、素描和粘贴的记忆，排列成个人拼贴",
    "一天中的时间": "夜晚",
    "氛围": "怀旧、宁静、情感温暖，稍微杂乱但真实"
  },
  "主题": {
    "类型": "年轻女性",
    "姿势": "稍微向前倾，肩膀放松，随意 slouch，双手在腿附近松散交叠",
    "表情": "柔和的半微笑，疲倦但舒适，自然不强迫",
    "头发": "凌乱的深色头发松散地向后绑，发丝落在脸周",
    "衣柜": "宽松的{argument name="sweatshirt style" default="pastel tie-dye sweatshirt"}，宽松舒适的版型"
  },
  "构图": {
    "框架": "中景特写肖像",
    "相机角度": "平视",
    "对焦": "脸部清晰对焦，背景有微妙衰减",
    "背景细节水平": "可见但轻柔柔化",
    "三分法": true,
    "景深": "浅景深"
  },
  "灯光": {
    "主要光源": "直接相机闪光",
    "闪光风格": "电影傻瓜相机视觉，带有稍微刺眼的高光和真实阴影",
    "环境光": "昏暗的温暖室内照明",
    "对比度": "中等对比度，柔和中间调",
    "肤色": "自然带有轻微质地，无平滑处理"
  },
  "相机": {
    "相机类型": "35毫米电影傻瓜相机",
    "镜头": "35毫米",
    "光圈": "f/2.8",
    "快门速度": "1/60",
    "ISO": 800,
    "胶片仿真": "Kodak Portra 400",
    "颗粒": "细到中等自然胶片颗粒",
    "暗角": "微妙"
  },
  "色彩分级": {
    "调色板": "柔和粉彩，温暖米色墙壁，柔和中性阴影",
    "色调": "稍微去饱和，怀旧",
    "高光": "稍微温暖",
    "阴影": "冷中性"
  },
  "质地与现实主义": {
    "皮肤细节": "真实毛孔，轻微红润，保留微小瑕疵",
    "布料细节": "可见运动衫质地和自然皱褶",
    "墙壁质地": "纸张边缘，胶带痕迹，轻微墙壁颗粒"
  },
  "后处理": {
    "锐度": "自然",
    "清晰度": "中低",
    "光晕": "无",
    "HDR": "关",
    "修图": "无"
  },
  "负面提示": [
    "塑料皮肤",
    "过度平滑脸部",
    "AI美容滤镜",
    "过饱和颜色",
    "工作室灯光",
    "完美对称脸部",
    "超锐利数字视觉",
    "动漫风格",
    "卡通风格",
    "过度光泽嘴唇",
    "假毛孔质地"
  ],
  "输出": {
    "长宽比": "9:16",
    "分辨率": "高",
    "品质": "逼真",
    "导出视觉": "原始胶片扫描美学"
  }
}

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