双品牌联名对决冷饮促销海报

{
  "type": "快餐联名促销海报",
  "style": "商业广告摄影风格、高光泽3D产品渲染、高对比度、戏剧性光影、社交媒体广告设计、结合品牌图形的超写实效果",
  "format": "竖版海报",
  "aspect_ratio": "2:3",
  "scene": {
    "background": "正中垂直对称分割，左半部发散绿光，右半部发散红光，带有放射状光线、镜头光晕、漂浮微粒与正中明亮的光缝",
    "surface": "黑色反光潮湿台面，散落着冰块、咖啡豆、饼干碎块、飞溅液体与冷凝水珠"
  },
  "branding": {
    "top_left": {
      "logo": "麦当劳金色拱门标志",
      "subtext": "McDonald’s",
      "small_text": "Established 1955"
    },
    "top_right": {
      "logo": "星巴克美人鱼海妖标志",
      "subtext": "Starbucks",
      "small_text": "Coffee Masters Since 1971"
    },
    "top_center": "两大品牌中间带有白色‘x’联名符号"
  },
  "headline": {
    "main": "[McDonald’s x Starbucks]",
    "subheadline": "SWEET DUEL, DOUBLE JOY",
    "banner_text": "FIRST EVER CO-BRAND | ICONIC PAIRING"
  },
  "products": {
    "count": 2,
    "items": [
      {
        "position": "左侧前景",
        "name": "奥利奥麦旋风",
        "cup": "印有奥利奥饼干图案与黄色拱门标志的白红配色麦旋风纸杯",
        "topping": "淋有光泽巧克力酱的螺旋香草软冰淇淋",
        "mix_ins": "杯身周围与顶部可见大颗奥利奥饼干碎",
        "spoon": "插在冰淇淋顶部的黑色麦旋风勺子",
        "temperature": "带有冰霜与飞溅特效的冰冷质感"
      },
      {
        "position": "右侧前景",
        "name": "星巴克冰巧克力饮品",
        "cup": "带有弧形杯盖和绿色美人鱼标志的透明塑料杯",
        "drink": "杯壁挂有深色巧克力淋酱的浓郁冰镇混调巧克力咖啡",
        "topping": "挤满鲜奶油并淋有巧克力糖浆",
        "temperature": "杯壁布满冷凝水珠，周围散落冰块，底部环绕动感巧克力飞溅"
      }
    ]
  },
  "badges": {
    "count": 2,
    "items": [
      {
        "position": "左侧中部",
        "shape": "绿色星爆勋章",
        "text": "NEW RELEASE"
      },
      {
        "position": "右侧中部",
        "shape": "红色星爆勋章",
        "text": "LIMITED OFFER"
      }
    ]
  },
  "character": {
    "count": 1,
    "position": "左下角",
    "description": "麦当劳吉祥物风格的金色拱门卡通角色，大眼睛、微笑面孔、戴白手套穿红鞋，手拿迷你汉堡摆姿势"
  },
  "bottom_cta": {
    "main_bar": "LIMITED TIME ONLY | TRY NOW",
    "accent": "右端点缀黄色闪电符号"
  },
  "feature_row": {
    "count": 3,
    "items": [
      {
        "icon": "圆形内的雪花",
        "text": "ICE COOL"
      },
      {
        "icon": "圆形内的咖啡豆",
        "text": "BOLD FLAVOR"
      },
      {
        "icon": "圆形内的爱心",
        "text": "PERFECT MATCH"
      }
    ]
  },
  "floating_elements": {
    "count": 6,
    "types": [
      "咖啡豆",
      "奥利奥饼干",
      "冰块",
      "水花飞溅",
      "巧克力飞溅",
      "光斑粒子"
    ]
  },
  "color_palette": {
    "primary": [
      "翡翠绿光效",
      "深红促销光效",
      "纯白排版文字",
      "黄色点缀",
      "深可可棕",
      "深咖啡黑",
      "冰蓝高光"
    ]
  },
  "composition": "对称对决式构图，两款饮品占据视觉中心，中上方浮雕立体字标题，每款饮品周围环绕动态飞溅弧线，文本排版清晰分明"
}