逼真情侣自拍网格，带身份锁定

```json
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photorealistic_multi_panel_grid",
      "version": "v1.0",
      "priority": "high"
    },
    "references": {
      "male_character_reference_image": "UPLOAD_MALE_REFERENCE (REQUIRED)",
      "female_character_reference_image": "UPLOAD_FEMALE_REFERENCE (REQUIRED)",
      "reference_rules": {
        "preserve_uploaded_character_identities": true,
        "identity_lock_strength": 0.99,
        "do_not_copy_any_unprovided_identity": true,
        "same_people_every_panel": true
      }
    },
    "output_settings": {
      "layout": {
        "type": "2x1_grid_vertical",
        "border": "thin_white_gutter",
        "frame_consistency_rule": "same_couple_same_outfits_same_location_same_lighting"
      },
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution": "ultra_high_res",
      "render_style": "photorealistic_editorial_selfie",
      "sharpness": "high",
      "film_grain": "subtle"
    },
    "creative_prompt": {
      "scene_summary": "创建一个两格垂直拼贴（2x1）。一对情侣用手机从头顶（俯视角度）拍摄的超写实自拍照。户外场景，灰色石板路面。明亮的自然日光，色彩干净，皮肤纹理清晰，毛孔真实可见。确保两人身份严格匹配上传的男性和女性参考图。无文字/标志/水印。",
      "environment": {
        "location": "户外",
        "background": "灰色石板路面，略微失焦，干净现代的人行道",
        "lighting": "自然日光，柔和但清晰，前额/脸颊有轻微高光，无强烈阴影"
      },
      "camera": {
        "type": "智能手机自拍相机",
        "angle": "强烈的俯视自拍角度",
        "lens_look": "广角自拍（等效 24-28mm），轻微透视畸变",
        "focus": "面部清晰，背景略微柔和"
      },
      "wardrobe_and_style": {
        "consistency_rule": "两格中服装保持一致",
        "male": {
          "top": "黑色 T 恤或黑色上衣（简约，无标志）"
        },
        "female": {
          "top": "深红色挂脖/吊带上衣（干净，极简）"
        }
      },
      "panel_plan": [
        {
          "panel": 1,
          "action": "两人脸部紧密靠近，看向镜头。女性表情平静/轻微嘟嘴。男性温柔微笑。头部轻微触碰。",
          "framing": "特写自拍，两人脸部完全可见，肩膀部分可见"
        },
        {
          "panel": 2,
          "action": "男性亲吻女性脸颊。女性眨眼，带着大大的俏皮笑容。手机手/手臂在底部边缘可见，如同真实的自拍。",
          "framing": "与第 1 格相同的角度和距离，保持两人脸部清晰可辨（无严重遮挡）"
        }
      ],
      "quality_rules": [
        "超逼真皮肤"
      ]
    }
  }
}
```