Gemini Nano Banana 3.0 的黄金时段冬季肖像提示

{
  "image_prompt": {
    "subject": {
      "description": "A man in his late 20s with a contemplative expression, looking off into the distance",
      "features": ["Short dark hair", "Fair complexion", "Subtle stubble"],
      "attire": [
        "Heavy olive green winter parka with a large fur-lined hood",
        "Chunky knit brown wool scarf",
        "Black thermal gloves",
        "Hand tucked into pocket"
      ],
      "action": "Holding a steaming silver thermos, leaning against a bridge railing"
    },
    "environment": {
      "setting": "Overlooking a frozen river valley in a mountainous or high-altitude region",
      "background": "Distant cityscape silhouette with modern skyscrapers during golden hour",
      "elements": [
        "Snow-covered pine trees with heavy frost",
        "Mist rising from the icy water",
        "Wrought iron bridge railing with accumulated snow"
      ],
      "atmosphere": "Deep winter, freezing temperatures, quiet morning, serene and hopeful"
    },
    "technical_specs": {
      "lighting": "Golden hour sunrise, soft orange and yellow glow, cinematic backlighting",
      "composition": "Medium side-profile shot, rule of thirds, shallow depth of field (bokeh background)",
      "camera_settings": "Shot on 85mm lens, f/1.8, crisp focus on the subject's face",
      "style": "Hyper-realistic, photorealistic, 8k resolution, cinematic color grading"
    },
    "negative_prompt": "oversaturated, blurry face, distorted hands, cartoonish, low resolution, messy hair"
  }
}