低调奢华酒吧人像特写，带面部锁定功能

```json { "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "photoreal_luxury_bar_night_editorial_portrait", "version": "v1.0_DARK_BAR_RED_CUTOUT_DRESS_LOWKEY_35MM_FACELOCK_EN", "priority": "highest", "language": "en" }, "references": { "reference_image_style": { "source": "UPLOAD_REFERENCE_IMAGE (REQUIRED)", "purpose": "POSE_COMPOSITION_LIGHTING_ANCHOR", "strict_lock": true, "preserve_pose": true, "preserve_composition": true, "preserve_vibe": true, "preserve_background": true }, "reference_image_face": { "source": "UPLOAD_REFERENCE_IMAGE (OPTIONAL)", "purpose": "FACE_IDENTITY_LOCK", "strict_lock": true, "face_similarity_priority": "MAX", "no_identity_blending": true, "no_beautify": true, "no_age_shift": true, "preserve_skin_texture": true, "preserve_facial_proportions": true, "preserve_moles_freckles_scars": true, "preserve_eye_shape": true, "preserve_nose_shape": true, "preserve_lip_shape": true, "preserve_jawline": true } }, "global_constraints": { "rating": "PG-13", "no_nudity": true, "no_explicit_sexual_content": true, "no_logos": true, "no_watermark": true, "no_readable_text": true }, "output_settings": { "aspect_ratio": "4:5", "orientation": "portrait", "resolution_target": "ultra_high_res", "render_style": "cinematic_photoreal_film_still", "sharpness": "crisp_but_natural", "film_grain": "subtle_35mm", "color_grade": "low_key_warm_amber_highlights_deep_blacks", "dynamic_range": "natural_not_hdr", "skin_rendering": "real_texture_no_retouch" }, "creative_prompt": { "scene_summary": "根据提供的参考图像，创作一幅写实、低调的奢华酒吧夜景人像。地点：昏暗的高档酒吧，黑色天花板，小型嵌入式射灯，深邃的阴影，以及带有微妙白色纹理的光滑黑色大理石吧台。背景应融入柔和的黑暗中，隐约可见酒吧座位和餐具摆设，但没有可辨识的细节。\n\n主体：一名成年女性（如果提供了面部参考，则为同一身份）站在大理石吧台附近。姿势与参考图像一致：躯干略微倾斜，一只手抬起置于脑后触摸头发，另一只手臂自然垂在身侧。表情自信且富有电影感，目光略微偏离镜头。\n\n服装：一件深色的 \"dress: \"wine-red\" 紧身晚礼服，腰部/躯干处有雅致的镂空（两个镂空窗口），通过中央的小金色圆环连接。礼服合身优雅，PG-13 级别，无裸露。\n\n美妆：光泽的自然唇色，柔和的魅力妆容，颧骨处有温暖的高光，皮肤光泽自然。深色长发造型为蓬松的波浪。\n\n灯光：低调的" } } } ```