雙品牌聯名對決飲品促銷海報

{
  "type": "快餐聯名促銷海報",
  "style": "商業廣告攝影風格、高光澤3D產品渲染、高對比度、戲劇性光影、社交媒體廣告設計、結合品牌圖形的超寫實效果",
  "format": "豎版海報",
  "aspect_ratio": "2:3",
  "scene": {
    "background": "正中垂直對稱分割，左半部發散綠光，右半部發散紅光，帶有放射狀光線、鏡頭光暈、漂浮微粒與正中明亮的光縫",
    "surface": "黑色反光潮溼檯面，散落著冰塊、咖啡豆、餅乾碎塊、飛濺液體與冷凝水珠"
  },
  "branding": {
    "top_left": {
      "logo": "麥當勞金色拱門標誌",
      "subtext": "McDonald’s",
      "small_text": "Established 1955"
    },
    "top_right": {
      "logo": "星巴克美人魚海妖標誌",
      "subtext": "Starbucks",
      "small_text": "Coffee Masters Since 1971"
    },
    "top_center": "兩大品牌中間帶有白色‘x’聯名符號"
  },
  "headline": {
    "main": "[McDonald’s x Starbucks]",
    "subheadline": "SWEET DUEL, DOUBLE JOY",
    "banner_text": "FIRST EVER CO-BRAND | ICONIC PAIRING"
  },
  "products": {
    "count": 2,
    "items": [
      {
        "position": "左側前景",
        "name": "奧利奧麥旋風",
        "cup": "印有奧利奧餅乾圖案與黃色拱門標誌的白紅配色麥旋風紙杯",
        "topping": "淋有光澤巧克力醬的螺旋香草軟冰淇淋",
        "mix_ins": "杯身周圍與頂部可見大顆奧利奧餅乾碎",
        "spoon": "插在冰淇淋頂部的黑色麥旋風勺子",
        "temperature": "帶有冰霜與飛濺特效的冰冷質感"
      },
      {
        "position": "右側前景",
        "name": "星巴克冰巧克力飲品",
        "cup": "帶有弧形杯蓋和綠色美人魚標誌的透明塑膠杯",
        "drink": "杯壁掛有深色巧克力淋醬的濃郁冰鎮混調巧克力咖啡",
        "topping": "擠滿鮮奶油並淋有巧克力糖漿",
        "temperature": "杯壁佈滿冷凝水珠，周圍散落冰塊，底部環繞動感巧克力飛濺"
      }
    ]
  },
  "badges": {
    "count": 2,
    "items": [
      {
        "position": "左側中部",
        "shape": "綠色星爆勳章",
        "text": "NEW RELEASE"
      },
      {
        "position": "右側中部",
        "shape": "紅色星爆勳章",
        "text": "LIMITED OFFER"
      }
    ]
  },
  "character": {
    "count": 1,
    "position": "左下角",
    "description": "麥當勞吉祥物風格的金色拱門卡通角色，大眼睛、微笑面孔、戴白手套穿紅鞋，手拿迷你漢堡擺姿勢"
  },
  "bottom_cta": {
    "main_bar": "LIMITED TIME ONLY | TRY NOW",
    "accent": "右端點綴黃色閃電符號"
  },
  "feature_row": {
    "count": 3,
    "items": [
      {
        "icon": "圓形內的雪花",
        "text": "ICE COOL"
      },
      {
        "icon": "圓形內的咖啡豆",
        "text": "BOLD FLAVOR"
      },
      {
        "icon": "圓形內的愛心",
        "text": "PERFECT MATCH"
      }
    ]
  },
  "floating_elements": {
    "count": 6,
    "types": [
      "咖啡豆",
      "奧利奧餅乾",
      "冰塊",
      "水花飛濺",
      "巧克力飛濺",
      "光斑粒子"
    ]
  },
  "color_palette": {
    "primary": [
      "翡翠綠光效",
      "深紅促銷光效",
      "純白排版文字",
      "黃色點綴",
      "深可可棕",
      "深咖啡黑",
      "冰藍高光"
    ]
  },
  "composition": "對稱對決式構圖，兩款飲品佔據視覺中心，中上方浮雕立體字標題，每款飲品周圍環繞動態飛濺弧線，文字排版清晰分明"
}