健身光彩双人拼贴画的结构化提示

```json
{
  "title": "健身光彩二人组",
  "type": "fitness_portrait_collage",
  "description": "并排拼贴画，展示两位运动型女性在不同场景中自信的健身造型。",
  "left_image": {
    "outfit": "亮黄色修身短款上衣搭配同色高腰紧身裤",
    "pose": "侧身站立，略微回头望向肩后",
    "expression": "平静而自信",
    "hair": "中长波浪金发",
    "location": "夜晚的阳台或露台，背景是城市灯光",
    "vibe": "大胆、时尚、充满力量"
  },
  "right_image": {
    "outfit": "浅紫色运动内衣搭配同色高腰健身裤",
    "pose": "双臂举过头顶，手持橙色健身杆",
    "expression": "灿烂的笑容，充满活力和愉悦",
    "hair": "红发扎成高马尾",
    "location": "室内健身房，可见健身球和健身器材",
    "vibe": "积极、正面、激励人心"
  },
  "overall_theme": "自信、力量和现代健身生活方式",
  "lighting": "柔和的自然光和室内健身房照明",
  "mood": "赋能且充满活力"
}
```