健身房双人镜面自拍（社交媒体美学）

```json
{
  "image_generation_task": {
    "title": "双人健身房镜面自拍",
    "version": "2.0",
    "target_style": "逼真的社交媒体美学"
  },
  "prompt_components": {
    "composition": {
      "type": "镜面自拍",
      "perspective": "背影在镜中反射",
      "framing": "双人照，并排站立",
      "angle": "略微广角，手机置于胸部高度"
    },
    "subjects": [
      {
        "id": "subject_left",
        "demographics": {
          "age": "20 岁出头",
          "build": "健美，曲线优美，运动型，臀部紧致"
        },
        "appearance": {
          "hair_style": "高马尾，有散落发丝",
          "hair_color": "浅棕色 / 金色",
          "skin_tone": "晒黑的白皙肤色，健康光泽"
        },
        "apparel": {
          "top": "{argument name=\"top color\" default=\"亮粉色\"} 长袖露脐上衣，带拇指孔，微光泽",
          "bottom": "高腰无缝短款臀部褶皱粉色紧身裤",
          "accessories": ["白色运动袜"],
          "branding": "腰带上有 DFYNE 标志"
        },
        "pose": {
          "stance": "放松的运动姿态，手叉腰",
          "expression": "反射中可见的浅笑",
          "body_language": "弓背以突出曲线"
        }
      },
      {
        "id": "subject_right",
        "demographics": {
          "age": "20 岁出头",
          "build": "健美，曲线优美，运动型"
        },
        "appearance": {
          "hair_style": "松散的马尾辫或编发，自然蓬松",
          "hair_color": "深棕色",
          "skin_tone": "晒黑的白皙肤色"
        },
        "apparel": {
          "top": "浅黄色挂脖式运动文胸，细肩带",
          "bottom": "高腰无缝短款臀部褶皱 {argument name=\"bottom color\" default=\"粉色\"} 紧身裤",
          "accessories": ["白色运动袜"],
          "branding": "未指定"
        },
        "pose": {
          "stance": "俏皮自信，手叉腰",
          "expression": "反射中微妙的俏皮表情",
          "body_language": "自信的姿态"
        }
      }
    ],
    "environment": {
      "location": "现代健身工作室",
      "foreground": "深色橡胶健身房地板，微妙纹理",
      "midground": "整面墙的镜子",
      "background": {
        "elements": ["有氧运动器械", "举重器材", "裸露的天花板管道"],
        "visibility": "模糊（散景效果）"
      }
    },
    "lighting": {
      "style": "电影感 / 情绪化",
      "ambient_color": "深蓝色和紫色冷色调",
      "accents": "霓虹灯带照明，顶部聚光灯",
      "interaction": "头发上的微妙轮廓光，氨纶面料和皮肤上的高光"
    },
    "technical_specs": {
      "resolution": "8k",
      "medium": "数码摄影",
      "lens_characteristics": ["略微广角", "主体清晰对焦", "柔和的背景虚化"],
      "textures": "
```