Lời nhắc bảo toàn danh tính ảnh tự chụp tại phòng gym thể thao

```json
{
  "image_prompt": {
    "reference": {
      "face_identity": "{argument name=\"face identity\" default=\"uploaded reference image\"}",
      "identity_lock": "{argument name=\"identity lock\" default=\"true\"}",
      "face_preservation": "{argument name=\"face preservation\" default=\"100% identical facial structure, proportions, skin texture, eye shape, lips, nose, brows, moles, freckles, and natural expression\"}"
    },
    "subject": {
      "type": "{argument name=\"subject type\" default=\"young woman\"}",
      "expression": "{argument name=\"expression\" default=\"soft relaxed expression with slightly glossy lips\"}",
      "gaze": "{argument name=\"gaze\" default=\"looking slightly past the camera with calm confidence\"}",
      "pose": {
        "position": "{argument name=\"pose position\" default=\"close-up selfie angle from slightly above\"}",
        "head": "{argument name=\"head tilt\" default=\"subtle tilt\"}",
        "posture": "{argument name=\"posture\" default=\"casual and natural\"}"
      }
    },
    "hair": {
      "color": "{argument name=\"hair color\" default=\"dark brown\"}",
      "style": "{argument name=\"hair style\" default=\"pulled back into a low ponytail or tied-back style with clean hairline\"}"
    },
    "makeup": {
      "style": "{argument name=\"makeup style\" default=\"natural sporty glow\"}",
      "details": [
        "{argument name=\"makeup detail 1\" default=\"dewy skin finish\"}",
        "{argument name=\"makeup detail 2\" default=\"defined brows\"}",
        "{argument name=\"makeup detail 3\" default=\"light mascara\"}",
        "{argument name=\"makeup detail 4\" default=\"natural blush\"}",
        "{argument name=\"makeup detail 5\" default=\"soft glossy pink lips\"}"
      ]
    },
    "outfit": {
      "top": "{argument name=\"top\" default=\"loose white graphic t-shirt\"}",
      "accessories": [
        "{argument name=\"accessory 1\" default=\"white over-ear headphones resting around the neck\"}",
        "{argument name=\"accessory 2\" default=\"small stud earrings\"}"
      ]
    },
    "environment": {
      "location": "{argument name=\"location\" default=\"modern gym interior\"}",
      "background_elements": [
        "{argument name=\"background element 1\" default=\"gym benches\"}",
        "{argument name=\"background element 2\" default=\"exercise machines\"}",
        "{argument name=\"background element 3\" default=\"wooden floor\"}",
        "{argument name=\"background element 4\" default=\"soft daylight coming through windows\"}"
      ]
    },
    "lighting": {
      "type": "{argument name=\"lighting type\" default=\"natural gym lighting\"}",
      "characteristics": [
        "{argument name=\"lighting characteristic 1\" default=\"soft highlights on skin\"}",
        "{argument name=\"lighting characteristic 2\" default=\"realistic shadows\"}",
        "{argument name=\"lighting characteristic 3\" default=\"clean neutral tones\"}"
      ]
    },
    "photography_style": {
      "style": "{argument name=\"photography style\" default=\"casual fitness selfie\"}",
      "camera_look": "{argument name=\"camera look\" default=\"smartphone front-camera look\"}",
      "depth_of_field": "{argument name=\"depth of field\" default=\"shallow with background slightly blurred\"}",
      "mood": "{argument name=\"mood\" default=\"fresh, sporty, effortless\"}"
    },
    "render_quality": {
      "realism": "{argument name=\"realism\" default=\"highly photorealistic\"}",
      "detail_level": "{argument name=\"detail level\" default=\"high\"}",
      "skin_texture": "{argument name=\"skin texture\" default=\"natural with visible pores and glow\"}",
      "resolution": "{argument name=\"resolution\" default=\"high resolution\"}",
      "color_grading": "{argument name=\"color grading\" default=\"clean neutral tones with warm skin balance\"}"
    }
  }
}
```