森林中的私密肖像，电影级景深映射，Nano Banana Pro

{ "sequence_metadata": { "title": "亲密森林肖像", "aspect_ratio": "9:16（竖屏移动端）", "framing_guide": "中近景/特写混合", "focal_length_emulation": "85mm（人像长焦）" }, "optical_physics": { "lens_character": { "sharpness": "高（中央面部结构）", "falloff": "平滑/高斯", "bokeh_quality": "奶油般（背景虚化）" }, "depth_mapping": { "foreground_z0": "休闲运动鞋（柔和模糊/失焦）", "midground_z1": "毛衣质感/上半身（关键焦点）", "background_z2": "森林与水（重度虚化）" }, "sensor_emulation": { "grain": "可控/自然", "dynamic_range": "高（柔和高光过渡）" } }, "illumination_setup": { "global_ambiance": "自然/漫射", "key_light": { "type": "柔和环绕", "temperature": "暖中性", "direction": "前/侧偏移", "effect": "增强面部结构而无生硬阴影" }, "contrast_ratio": "低-中（内省情绪）" }, "asset_manifest": { "wardrobe_materials": [ { "item": "毛衣", "texture_priority": "高（针织细节可见）" }, { "item": "长裤", "detail": "可见布料边缘" }, { "item": "运动鞋", "visibility": "部分/暗示（模糊）" } ], "organic_details": { "hair": "清晰发丝渲染", "skin": "超写实，真实质感" } }, "gesture_state_machine": { "note": "主体在同一光照设置下自然转换于这些状态之间。", "keyframes": [ { "id": "state_primary", "action": "回眸一瞥", "head_vector": "轻轻转向相机", "expression": "真实，宁静" }, { "id": "state_secondary_01", "action": "内省观察", "gaze_vector": "柔和向下", "micro_expression": "中性/平静" }, { "id": "state_secondary_02", "action": "对环境反应", "head_tilt": "放松/侧倾", "micro_expression": "微微笑（微妙）" } ] }, "post_processing_pipeline": { "color_grading": "胶片感（暗示柯达Portra风格）", "clarity": "柔和深度", "negative_constraints": ["道具", "硬边", "影棚灯光", "数字锐度", "过饱和"] } }