超寫實冬季浪漫肖像

```json
{
  "generation_request": {
    "meta_data": {
      "task_type": "photoreal_winter_romance_forest_couple",
      "version": "v1.0_SNOWY_FOREST_COUPLE_EMBRACE_NO_TEXT_EN",
      "priority": "highest",
      "language": "en"
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_cinematic_lifestyle",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle",
      "color_grade": "soft_neutral_winter",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch",
      "no_text": true,
      "no_logos": true,
      "no_watermarks": true,
      "no_ui": true
    },
    "creative_prompt": {
      "scene_summary": "在白雪皚皚的森林中，一幅超寫實的冬季浪漫肖像畫。一對情侶緊密相擁，溫暖地抱在一起，額頭或鼻子輕觸，營造出親密的時刻。可見輕柔的雪花飄落，層次分明：前景是柔和模糊的較大雪花，中景和背景則是清晰的較小雪花。雪自然地落在樹枝上，輕輕地覆蓋在衣物上。營造出舒適、柔和、電影般的氛圍。無文字。",
      "environment": {
        "location_feel": "茂密的冬季森林，高聳的樹幹和白雪覆蓋的常青樹",
        "ground": "新鮮的積雪，帶有細微的腳印和自然的紋理",
        "weather": "輕微的活躍降雪",
        "lighting": "陰天的冬季日光，柔和散射，自然陰影"
      },
      "subjects": {
        "couple": {
          "female_adult": {
            "wardrobe": "{argument name=\"female coat color\" default=\"white\"} 毛茸茸的人造毛皮大衣、保暖耳罩/頭帶、冬季長褲、冬季靴子",
            "pose": "緊密地站在男士懷中，一隻手臂環繞他的背部/腰部，臉向上傾斜朝向他",
            "expression": "溫柔的微笑，眼睛輕輕閉合或半閉"
          },
          "male_adult": {
            "wardrobe": "米色/米白色羊羔絨連帽衫或抓絨夾克、冬季長褲",
            "pose": "雙臂環繞女士，頭部向下傾斜，額頭/鼻子輕觸她的額頭/鼻子",
            "expression": "溫柔、平靜"
          }
        }
      },
      "camera_and_composition": {
        "shot_type": "生活風格肖像，視線水平，親密中景",
        "lens_look": "50mm 等效焦距，淺景深，柔和的背景分離",
        "framing": "情侶居中，森林營造出自然的垂直線條，盡量減少干擾",
        "focus": "臉部和手部清晰，背景柔和模糊"
      },
      "physical_realism": {
        "snow_interaction": "樹枝上逼真的積雪；肩膀和頭髮上細微的雪花斑點；靴子和地面接觸處正確的陰影",
        "fabric_detail": "可見的蓬鬆大衣纖維和羊羔絨紋理，手臂環抱處逼真的褶皺和張力"
      },
      "anatomy_constraints": {
        "priority": "maximum",
        "requirements": [
          "自然的臉部比例"
        ]
      }
    }
  }
}
```