奢华新娘时尚大片三联画（图像到图像）

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "luxury_bridal_editorial_triptych",
      "language": "en",
      "priority": "highest",
      "version": "v1.0_IVORY_SATIN_BOW_GOWN_TRIPTYCH"
    },

    "input": {
      "mode": "image_to_image",
      "reference_image_usage": "very_high",
      "preserve_identity": true,
      "preserve_facial_features": true
    },

    "output_settings": {
      "aspect_ratio": "{argument name="aspect ratio" default="4:5"}",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "num_images": 1,
      "layout": {
        "type": "triptych",
        "rows": 1,
        "cols": 3,
        "gutter": "thin",
        "outer_border": "none",
        "panel_consistency": "very_high"
      },
      "render_style": "luxury_bridal_editorial",
      "sharpness": "editorial_crisp",
      "grain": "subtle_film",
      "color_grade": "soft_neutral_luxury",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch"
    },

    "scene": {
      "environment": "minimal luxury studio with a soft warm beige seamless background",
      "lighting": "high-end soft studio lighting with clean satin highlights and controlled elegant shadows",
      "mood": "romantic, refined, couture, timeless, sculptural"
    },

    "subject": {
      "description": "same elegant adult woman across all three panels, realistic proportions, graceful posture, refined beauty",
      "skin": "luminous realistic skin texture",
      "hair": "soft dark brown hair in an elegant loose updo with face-framing strands, slightly undone couture feel",
      "makeup": "soft luxury bridal glam, refined skin, subtle contour, defined eyes, satin nude lips",
      "expression": "calm, poised, slightly mysterious couture expression"
    },

    "wardrobe": {
      "outfit": "ivory off-shoulder liquid satin couture gown with long fitted sleeves, softly draped neckline, open back, dramatic oversized bow at the lower back, and floor-length train",
      "fabric": "high-luxury silk satin with fluid shine and heavy elegant drape",
      "details": "thigh-high slit in the front view, sculpted fit through the waist and hips, elongated train pooling on the floor"
    },

    "panel_design": {
      "panel_1": {
        "position": "left",
        "view": "back three-quarter view",
        "pose": "woman turned partly over her shoulder toward camera, showing the open back and oversized satin bow, one arm relaxed, elegant spine line",
        "focus": "back design, bow structure, satin reflections, shoulder line"
      },
      "panel_2": {
        "position": "center",
        "view": "front full-length view",
        "pose": "woman facing camera with one leg emerging through the thigh slit, torso elongated, one hand softly near the thigh, couture fashion stance",
        "focus": "neckline, waist fit, slit, full gown silhouette"
      },
      "panel_3": {
        "p