暗调土星投影梦幻人像

{
  "generation_request": {
    "meta_data": {
      "task_type": "low_key_projection_mapping_portrait",
      "language": "en",
      "priority": "highest",
      "version": "v1.0_SATURN_PROJECTOR_RAINBOW_LOWKEY"
    },
    "output": {
      "aspect_ratio": "4:5",
      "resolution": "high",
      "num_images": 4
    },
    "scene": {
      "concept": "a moody low-key portrait using projection mapping as the primary light source",
      "environment": "pure black seamless background, no visible room details, no props",
      "composition": "3/4 portrait, subject slightly low in frame with negative space above, Saturn positioned behind head like a luminous halo"
    },
    "subject": {
      "person": "adult woman",
      "wardrobe": {
        "top": "dark minimal top, non-reflective fabric to keep focus on projection"
      },
      "hair_makeup": {
        "hair": "long hair down, natural texture",
        "makeup": "minimal, realistic, preserve pores and skin texture"
      },
      "pose": "head slightly tilted, one hand near ear, relaxed shoulders",
      "expression": "calm, dreamy, subtle smile"
    },
    "projection": {
      "content": "glowing Saturn with rings",
      "placement": "Saturn centered behind head, ring arc extending to the side",
      "light_behavior": "rainbow refraction bands across face/arm, soft falloff into shadows",
      "notes": "keep projection edges believable; avoid flat sticker look"
    },
    "camera": {
      "shot": "projection-mapped portrait",
      "lens_mm": 50,
      "aperture": 2,
      "focus": "sharp on eyes and lips; gentle falloff on hair",
      "quality_tags": "photoreal, cinematic, subtle film grain"
    },
    "lighting": {
      "style": "projector as key light + very subtle fill",
      "notes": "deep blacks, high contrast, no visible background spill, preserve natural skin texture and catchlights"
    },
    "color_grade": {
      "palette": "deep blacks, saturated cyan/magenta/green rainbow bands, cool planetary blues",
      "contrast": "high with controlled highlights",
      "effects": "subtle grain, slight halation on brightest projection areas"
    },
    "negative_prompt": "text, logo, watermark, bright background, HDR, plastic skin, over-smoothed face, cartoon, anime, CGI look, banding artifacts, crushed noisy shadows, extra fingers, deformed hands, distorted face"
  }
}

{
  "generation_request": {
    "meta_data": {
      "task_type": "low_key_projection_mapping_portrait",
      "language": "zh-Hans",
      "priority": "highest",
      "version": "v1.0_SATURN_PROJECTOR_RAINBOW_LOWKEY"
    },
    "output": {
      "aspect_ratio": "4:5",
      "resolution": "high",
      "num_images": 4
    },
    "scene": {
      "concept": "一幅情绪化低调肖像，以投影映射作为主要光源",
      "environment": "纯黑色无缝背景，无可见房间细节，无道具",
      "composition": "3/4 肖像，主体在画面中略低，上方留有负空间，土星位于头部后方，如同发光的光环"
    },
    "subject": {
      "person": "成年女性",
      "wardrobe": {
        "top": "深色极简上衣，非反光面料，以保持焦点在投影上"
      },
      "hair_makeup": {
        "hair": "长发披肩，自然发质",
        "makeup": "极简，真实，保留毛孔和皮肤纹理"
      },
      "pose": "头部略微倾斜，一只手靠近耳朵，肩膀放松",
      "expression": "平静，梦幻，微笑含蓄"
    },
    "projection": {
      "content": "发光的 {argument name=\"planetary body\" default=\"Saturn\"} 及其光环",
      "placement": "土星居中于头部后方，光环弧线延伸至侧面",
      "light_behavior": "彩虹折射带横跨面部/手臂，柔和地融入阴影",
      "notes": "保持投影边缘真实可信；避免平面贴纸效果"
    },
    "camera": {
      "shot": "投影映射肖像",
      "lens_mm": 50,
      "aperture": 2,
      "focus": "眼睛和嘴唇清晰锐利；头发柔和虚化",
      "quality_tags": "写实，电影感，微妙的胶片颗粒"
    },
    "lighting": {
      "style": "投影仪作为主光源 + 非常微妙的补光",
      "notes": "深邃的黑色，高对比度，无可见背景溢光，保留自然皮肤纹理和眼神光"
    },
    "color_grade": {
      "palette": "深黑色，饱和的青色/洋红色/绿色彩虹带，冷调行星蓝",
      "contrast": "高对比度，高光受控",
      "effects": "微妙的颗粒感，最亮投影区域略有光晕"
    },
    "negative_prompt": "文字，标志，水印，明亮背景，HDR，塑料皮肤，过度平滑的面部，卡通，动漫，CGI 效果，条带伪影，压碎的嘈杂阴影，多余的手指，变形的手，扭曲的面部"
  }
}