明暗对照肖像与身份互换

```json { "meta": { "image_dna": { "type": "照片", "orientation_lock": "锁定：方向保持 9:16", "sensor_emulation": "索尼 Alpha / 35mm 胶片颗粒模拟" } }, "spatial_orientation_engine": { "subject_facing_direction": "关键：头部转向左侧（观看者左侧）并向上倾斜", "body_rotation": "躯干略微向观看者右侧倾斜，左肩向前", "camera_position_relative": "相机与躯干齐平，略低于面部倾斜时的眼睛水平" }, "camera_optics_and_geometry": { "lens_profile": { "focal_length": "85mm（人像长焦）", "aperture": "f/2.8（景深较浅，聚焦于眼睛/嘴唇）", "lens_character": "电影般的柔和度与高微对比度" }, "optical_flaws": [ "胶片颗粒（ISO 800）", "肩部柔焦衰减", "高光处略微泛光" ] }, "environment_and_physics": { "lighting_engine": { "primary_source": "硬聚光灯 / 从左上方（10 点钟高位）射出的狭缝光", "radiosity_color_bleed": "暖色皮肤色调反射到服装内领口", "shadow_structure": "明暗对比：面部右侧/背景处深邃、压碎的黑色", "volumetrics": "空气洁净，大气雾霾极少" }, "surface_physics": { "weather_impact": "无（影棚环境）", "material_response": "皮肤（肩部/鼻子/脸颊）高镜面反射率，表明有水分/油光" } }, "scene_text_ocr": { "detected": false, "content": [] }, "objects_and_actors": [ { "id": "MAIN_SUBJECT", "role": "身份替换目标", "pose_engineering": { "skeletal_rig": "颈椎伸展并向左旋转。左肩抬高。下巴抬起。", "gaze_vector": "眼睛向上并向左看（跟随光源）。", "interaction_physics": "服装松散地垂坠，重力将织物从肩部向下拉。" }, "physiological_state": { "body_temp_visuals": "散发着温暖，脸颊略微泛红。", "skin_light_interaction": "肩部和鼻梁处有强烈的高光。在受光皮肤边缘可见次表面散射。" }, "clothing_simulation": { "garment_stack": "\"garment: \"米色/棕色毛圈布浴袍\" 或 纹理针织开衫", "fabric_mechanics": "面料厚重，张力低，从肩部滑落，露出领口。", "texture_and_wear": "高摩擦毛圈纹理，柔软不平整的表面。" }, "identity_placeholders": { "skin_tone": "[[USE_REFERENCE_SKIN]]", "face_structure": "[[USE_REFERENCE_FACE]]", "hair_style": "[[USE_REFERENCE_HAIR]]" } } ], "off_screen_context": { "reflections": "定向光源在虹膜上方产生的眼神光", "implied_e": "" } } ```