浪漫海滩情侣特写，保留身份特征

提示词

{   "generation_request": {     "meta_data": {       "task_type": "cinematic_romantic_couple_beach_closeup",       "language": "en",       "priority": "最高",       "version": "v1.1_BEACH_FLOWER_TUCK_STRICT_IDENTITY_HAIRLOCK"     },     "input": {       "mode": "image_to_image",       "reference_image_usage": "非常高",       "preserve_identity": true,       "preserve_facial_features": true,       "notes": "将上传的参考面孔与最大程度的相似度匹配。保持面部结构、眼睛、鼻子、嘴唇、微笑、肤色、发际线以及所有头发属性和纹理与参考图完全一致。不要改变年龄。不要风格化。不要出现身份偏移。"     },     "output": {       "aspect_ratio": "4:5",       "resolution": "超高",       "num_images": 4,       "sharpness": "高",       "grain": "轻微模拟胶片颗粒"     },     "scene": {       "concept": "岩石海滩上的浪漫抓拍瞬间",       "environment": "背景中有岩石构造，柔和的阴天日光，平静的海边氛围",       "composition": "紧凑的中近景，情侣占满画面，浅景深，背景柔和虚化",       "action": "男人轻轻把一朵鲜艳的洋红色花朵别到女人耳后，而她温暖地微笑着抬头看着他"     },     "subject": {       "couple": {         "woman": {           "identity": "将上传的参考女性面孔作为主要身份锚点，并保持最大程度的相似度。",           "expression": "真实愉悦的笑容，眼睛因开心而微微眯起",           "hair": "头发必须与参考图匹配，",           "wardrobe": {             "dress": "白色细肩带夏日连衣裙，合身上身，质感极简，优雅干净"           },           "details": {             "nails": "红色美甲",             "jewelry": "精致简约的金色首饰（可选）"           }         },         "man": {           "identity": "将上传的参考男性面孔作为主要身份锚点，并保持最大程度的相似度。",           "expression": "温柔地专注看着女人",           "hair": "头发必须与参考图匹配，",           "wardrobe": {             "shirt": "白色长袖纽扣衬衫，轻薄面料，海滩休闲风格"           },           "accessories": "低调的金色腕表"         }       }     },     "lighting": {       "style": "自然柔和日光",       "direction": "漫射的上方/侧方光",       "contrast": "柔和",       "skin_rendering": "真实的毛孔和质感，没有塑料感"     },     "camera": {       "lens": "50mm",       "aperture": "f2.0",       "depth_of_field": "浅景深",       "focus": "眼睛和微笑清晰对焦"     },     "color_grading": {       "look": "温暖的电影感胶片色调",       "palette": [         "温暖的沙米色",         "柔和的橄榄岩石色调",         "柔和的奶油白",         "洋红色花朵点缀"       ],       "highlights": "温暖",       "shadows": "slig