浪漫海灘情侶特寫，同時保有身份隱私

```json
{
  "generation_request": {
    "meta_data": {
      "task_type": "cinematic_romantic_couple_beach_closeup",
      "language": "en",
      "priority": "highest",
      "version": "v1.1_BEACH_FLOWER_TUCK_STRICT_IDENTITY_HAIRLOCK"
    },
    "input": {
      "mode": "image_to_image",
      "reference_image_usage": "very_high",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "notes": "以最大相似度匹配上傳的參考臉孔。臉部結構、眼睛、鼻子、嘴唇、笑容、膚色、髮際線和所有頭髮屬性（紋理）必須與參考圖完全一致。請勿改變年齡。無風格化。無身份漂移。"
    },
    "output": {
      "aspect_ratio": "4:5",
      "resolution": "ultra_high",
      "num_images": 4,
      "sharpness": "high",
      "grain": "subtle_analog"
    },
    "scene": {
      "concept": "在岩石海灘上的浪漫偷拍時刻",
      "environment": "背景為岩石構造，柔和的陰天日光，平靜的海濱氛圍",
      "composition": "緊密中景特寫，情侶充滿畫面，淺景深，背景柔和模糊",
      "action": "男子溫柔地將一朵亮洋紅色花朵別在女子耳後，女子則溫暖地微笑並仰望著他"
    },
    "subject": {
      "couple": {
        "woman": {
          "identity": "以最大相似度使用上傳的參考女性臉孔作為主要身份錨點。",
          "expression": "真誠愉悅的笑容，眼睛因幸福而微微瞇起",
          "hair": "頭髮必須與參考圖匹配",
          "wardrobe": {
            "dress": "白色細肩帶夏日洋裝，合身胸衣，極簡紋理，優雅潔淨"
          },
          "details": {
            "nails": "紅色美甲",
            "jewelry": "精緻簡約金色首飾（可選）"
          }
        },
        "man": {
          "identity": "以最大相似度使用上傳的參考男性臉孔作為主要身份錨點。",
          "expression": "溫柔深情地注視著女子",
          "hair": "頭髮必須與參考圖匹配",
          "wardrobe": {
            "shirt": "白色長袖鈕扣襯衫，輕薄面料，休閒海灘風格"
          },
          "accessories": "低調金色腕錶"
        }
      }
    },
    "lighting": {
      "style": "自然柔和日光",
      "direction": "漫射頂部/側面光",
      "contrast": "柔和",
      "skin_rendering": "逼真的毛孔和紋理，無塑膠感"
    },
    "camera": {
      "lens": "50mm",
      "aperture": "f2.0",
      "depth_of_field": "淺景深",
      "focus": "眼睛和笑容清晰對焦"
    },
    "color_grading": {
      "look": "溫暖電影膠片色調",
      "palette": [
        "溫暖沙米色",
        "柔和橄欖岩石色調",
        "柔和奶油白色",
        "洋紅色花朵點綴"
      ],
      "highlights": "溫暖",
      "shadows": "slig"
    }
  }
}
```