Affiche publicitaire de produit en écran partagé

{
  "type": "split-screen e-commerce advertisement poster",
  "style": "premium photorealistic retail marketing graphic, high contrast, polished commercial lighting, clean bold typography, modern direct-response ad design",
  "canvas": {
    "aspect_ratio": "4:3",
    "background": "black outer border with rounded-corner poster"
  },
  "layout": {
    "orientation": "vertical split",
    "sections": [
      {
        "title": "left product ad",
        "position": "left half",
        "count": 1,
        "product": "backpack",
        "headline_lines_count": 2,
        "cta_count": 1,
        "footer_count": 1
      },
      {
        "title": "right product ad",
        "position": "right half",
        "count": 1,
        "product": "smartwatch",
        "headline_lines_count": 2,
        "cta_count": 1,
        "footer_count": 1
      }
    ],
    "divider": "hard vertical split down the center"
  },
  "text": {
    "left": {
      "eyebrow": "{argument name=\"left eyebrow text\" default=\"URBAN\"}",
      "headline": "{argument name=\"left headline text\" default=\"ADVENTURE READY\"}",
      "features": "GENUINE LEATHER • 15\" LAPTOP SLEEVE • WATER RESISTANT",
      "button": "SHOP NOW",
      "footer": "FREE SHIPPING • LIMITED STOCK"
    },
    "right": {
      "headline": "{argument name=\"right headline text\" default=\"TRACK EVERY BEAT\"}",
      "features": "HEART RATE • GPS • 14-DAY BATTERY",
      "button": "SHOP NOW",
      "footer": "FREE SHIPPING • LIMITED STOCK"
    }
  },
  "left_panel": {
    "scene": "rustic indoor setting with warm natural sunlight entering from the side",
    "background_details_count": 3,
    "background_details": [
      "aged wall or wooden interior surface",
      "window opening with soft greenery visible outside",
      "dusty textured ground floor"
    ],
    "product": {
      "type": "{argument name=\"left product\" default=\"brown leather backpack\"}",
      "position": "lower left-center standing upright on the ground",
      "material": "rich polished leather",
      "color": "dark brown",
      "details_count": 5,
      "details": [
        "top carry handle",
        "double zipper top opening",
        "large front zip pocket",
        "side pocket visible on the left",
        "structured rectangular silhouette"
      ]
    },
    "supporting_props_count": 2,
    "supporting_props": [
      "a pair of dark sunglasses",
      "a small brown notebook placed near the backpack"
    ],
    "lighting": "warm cinematic sunlight from upper left creating soft highlights and earthy shadows",
    "button_style": "white rectangular button centered near lower middle of the left panel with black uppercase text"
  },
  "right_panel": {
    "scene": "dark studio product shot with cool moody spotlight",
    "background": "deep navy-to-black gradient",
    "product": {
      "type": "round black smartwatch",
      "position": "centered vertically and horizontally in right half",
      "details_count": 5,
      "details": [
        "circular black face",
        "glowing white-purple heart icon in the center of the screen",
        "dark metal case",
        "two side buttons visible on the right edge",
        "fine mesh metal strap"
      ]
    },
    "surface": "smooth studio floor with a soft circular shadow beneath the watch",
    "lighting": "cool spotlight from above and slightly behind, creating rim light and dramatic shadow",
    "button_style": "white rectangular button centered near lower middle of the right panel with black uppercase text"
  },
  "typography": {
    "font": "bold condensed sans-serif uppercase",
    "color": "white",
    "alignment": "centered within each panel",
    "feature_line_style": "smaller uppercase subheadline with bullet separators"
  }
}