三个朋友的真实镜面自拍：精修诠释

{
"photo_type": "镜面自拍（真实iPhone拍摄，室内暖光）",

"subjects": {
"count": 3,

"faces": {
"description": "使用3张上传的参考图片，保持身份完全一致，无平滑或重塑"
},

"pose_description": "中间人物手持手机进行镜面自拍，两位朋友稍靠后站在两侧，位置不完全对齐",

"expressions": [
"中间：俏皮表情，嘴巴微张",
"左边：微微嘟嘴，放松",
"右边：自信中性表情"
],

"body_language": [
"自然姿态",
"轻微不对称",
"并非完美摆拍"
]
},

"clothing": {
"details": [
"中间：浅米色西装外套搭配同色系上衣和裙子",
"其他人：黑色服装",
"可见真实的织物褶皱"
]
},

"lighting": {
"type": "浴室室内照明",

"setup": [
"头顶暖光灯",
"镜面反射光线",
"面部亮度不均匀"
],

"effects": [
"额头轻微过曝",
"下巴下方阴影",
"色温变化",
"光线不均匀"
],

"color_temperature": "暖色 3200K"
},

"phone_capture": {
"details": [
"手中可见手机",
"广角镜头轻微畸变",
"轻微透视拉伸",
"真实手持构图"
]
},

"camera": {
"type": "智能手机前置/后置摄像头",

"lens": "26mm 广角",

"settings": {
"aperture": "f/1.8",
"iso": "ISO 200-500",
"shutter_speed": "1/50s"
},

"focus": "焦点略微不完美",

"sensor_behavior": [
"轻微颗粒感",
"阴影噪点",
"轻微柔和度"
]
},

"skin_realism": {
"details": [
"可见毛孔",
"自然光泽",
"不均匀纹理",
"微小瑕疵",
"无修图"
]
},

"hair": {
"details": [
"轻微毛躁",
"散落发丝",
"发型不完美"
]
},

"background": {
"setting": "浴室镜子",

"details": [
"暖色墙板",
"镜面反射深度",
"轻微模糊和噪点",
"真实环境瑕疵"
]
},

"color_grading": {
"style": "原始手机照片",

"rules": [
"无重度滤镜",
"轻微黄色调",
"自然对比度",
"非电影感"
]
},

"imperfections": [
"颗粒感",
"光线不平衡",
"轻微模糊",
"镜头畸变"
],

"composition": {
"camera_angle": "手持镜面角度",
"framing": "略微偏离中心",
"depth": "所有人物可见，背景轻微柔和"
},

"resolution_and_aspect_ratio": "4K, 4:5",

"vibe": "真实闺蜜之夜自拍，休闲，无滤镜瞬间",

"strict_rules": {
"must_have": [
"镜面自拍效果"
]
}。工作流：生成多张候选后再做 best-of-N 筛选，可避免一次性出图的不稳定。