户外自然光人像的Nano Banana JSON提示词

{ "scene": { "description": "年轻迷人的女性在雾气弥漫的山林中徒步中途停下，汗珠在皮肤上凝结。", "environment": "云雾森林，伴有薄雾；柔和的绿色植物和长满苔藓的岩石逐渐消失在雾霭中。", "mood": "清新、自然、充满活力且迷人。" }, "output": { "aspect_ratio": "2:3 垂直精确", "target_resolution": "3072x4608", "safe_margins": "6–8% 内边距" }, "aesthetic": { "style": "自然主义户外肖像（单反相机效果）。", "look": "冷中性色调；柔和的胶片对比度；逼真的湿润皮肤高光；雾气柔化的背景。" }, "lighting": { "description": "阴天天空作为巨型柔光箱；主光来自相机左前方高位并环绕；相机右方有非常轻微的补光；颧骨、鼻梁和锁骨上有微小的高光点。", "exposure": "保留湿润皮肤上的高光细节；背景比主体暗约0.7档以增加分离感。" }, "subject": { "demographics": { "age": "18–25", "gender": "女性", "ethnicity": "东亚人", "beauty": "年轻、健康的光泽；均衡的对称性；精致的五官。" }, "appearance": { "hair": "高马尾；前额有轻盈、分层的刘海，仅略微湿润；几缕细发轻触脸颊；轻微湿气引起的毛躁。", "skin": "自然毛孔伴有细绒毛；面部、肩膀和锁骨上有可见的汗珠；微妙的红润脸颊。", "makeup": "极简 - 保湿底妆，柔和唇彩，修饰整齐的眉毛。", "likeness_guidance": "面部特征灵感来自迪丽热巴和杨幂 - 大而明亮的杏眼配长睫毛，清晰的直眉，精致的高鼻梁配柔和鼻尖，心形/椭圆形脸配柔和下颌线，饱满自然的嘴唇 - 不要精确复制任何特定人物。" }, "wardrobe": { "top": "石墨灰运动内衣，带有针织微纹理和宽肩带。" }, "accessories": { "gear": "主体左侧有微妙的背包带或半透明雨衣边缘。", "jewelry": "无。" }, "pose": { "type": "胸部以上特写肖像（半身）。", "framing": "裁剪至肚脐上方；双肩在画面内；头部位于上三分之一处；左侧留出负空间以展示雾气。", "body_orientation": "躯干向相机左侧旋转15–20°；右肩略近且低约2–3厘米。", "head_orientation": "头部向相机左侧旋转20°；倾斜（滚动）-3°。", "gaze": "眼睛看向相机外左上方；表情放松。", "mouth": "嘴唇放松，微微张开。", "hands": "不可见。" } }, "camera_lock": { "camera_height": "上胸部（胸骨），下巴下方约10–12厘米。", "camera_distance": "距主体0.8–1.0米。", "camera_angle": "偏航0°，俯仰-2°，滚动0°。", "lens": "50mm等效（可接受45–60mm）。", "depth_of_field": "f/2.8效果 - 眼睛、睫毛、发丝清晰；背景柔和模糊。" }, "props_in_scene": { "background": "柔和的散景树叶和雾气；无标志或文字。", "materials": "湿润的皮肤，微湿的刘海，编织运动面料，细腻的雾气颗粒。" }, "camera_technical": { "requirements": "真实的面部比例；清晰的睫毛和单根发丝；可读的汗珠；无文字/水印或AI字符。", "capture": "ISO 200–640；1/250秒；白平衡5300–5600K；精确2:3垂直。" }, "retouching": { "notes": "保留毛孔、汗珠和细碎刘海；仅去除暂时性瑕疵；避免塑料感平滑。", "grade": "微妙的冷中性调色；柔和的S曲线；极轻微暗角。" }, "avoid": [ "过度湿润的刘海（必须仅略微湿润）", "刺眼的闪光或过曝的高光", "衰老或疲惫的外观 - 必须保持年轻和漂亮", "姿势/角度偏离锁定", "文字/标志/水印", "过度平滑导致纹理丢失" ] }