单色电商产品海报，16:9 横版——整张图只有一种品牌色[Brand Color]：背景、产品、边框元素、光线全部...

单色电商产品海报，16:9 横版——整张图只有一种品牌色[Brand Color]：背景、产品、边框元素、光线全部同色，唯一例外是白色文字；[Product]完整小尺寸立于画面中央，电商级摄影棚打光，站在反光面上带柔和投影；四条边由同一产品放大约 20 倍的宏观碎片卷入围合，形成菱形窗口，碎片表面布满冷凝水珠；左侧白色粗体两词英文标题"[Title]"上下堆叠，下方小写斜杠副标"[Subtitle]"加小符号[Glyph]；产品包装上印有同款英文标题；画面所有文字均为英文——不要对比色背景、不要出现第二种色相、不要无关道具、不要产品占满画面、不要丢掉边框窗口

{
  "style_rules": {
    "color_world": "ENTIRE image in one brand color (cobalt electric blue) — background, product, frame elements and lighting all the same hue; white typography is the ONLY exception",
    "hero_product": "product small and whole at center, e-commerce studio lighting, standing on a reflective surface (or floating) with soft shadow",
    "self_frame": "frame around all four edges built from GIANT macro fragments of the SAME product at ~20x scale — can surface / sole cushioning / speaker grille / frosted bottle blocks — curving inward to form a diamond window around the hero",
    "condensation": "water droplets covering all macro frame fragments",
    "typography": "white bold 2-word stacked title on the left, lowercase slash subtitle 'x / y', small glyph mark (/// or ••• or //)",
    "product_branding": "the title words also printed on the product itself (diagonal on can / on label / on tag)",
    "format": "16:9 horizontal" 
  },
  "negative": "contrasting background color, multiple hues, unrelated props, product filling the frame, missing frame window, flat lighting",
  "variables": {
    "product": "[sparkling drink can / running shoe / bluetooth speaker / serum dropper bottle]",
    "title": "[2-word title: ZEST MODE / COOL STRIDE / LOUD BLUE / DEEP CHILL]",
    "subtitle": "[benefit pair: bright citrus / zero fuss · lightweight grip / night run · clean bass / splash ready]",
    "brand_color": "[cobalt blue — swap in your own brand color]",
    "glyph": "[/// or ••• or // or +]"
  }
}28:T8ef,单色电商产品海报，16:9 横版——整张图只有一种品牌色[Brand Color]：背景、产品、边框元素、光线全部同色，唯一例外是白色文字；[Product]完整小尺寸立于画面中央，电商级摄影棚打光，站在反光面上带柔和投影；四条边由同一产品放大约 20 倍的宏观碎片卷入围合，形成菱形窗口，碎片表面布满冷凝水珠；左侧白色粗体两词英文标题"[Title]"上下堆叠，下方小写斜杠副标"[Subtitle]"加小符号[Glyph]；产品包装上印有同款英文标题；画面所有文字均为英文——不要对比色背景、不要出现第二种色相、不要无关道具、不要产品占满画面、不要丢掉边框窗口

{
  "style_rules": {
    "color_world": "ENTIRE image in one brand color (cobalt electric blue) — background, product, frame elements and lighting all the same hue; white typography is the ONLY exception",
    "hero_product": "product small and whole at center, e-commerce studio lighting, standing on a reflective surface (or floating) with soft shadow",
    "self_frame": "frame around all four edges built from GIANT macro fragments of the SAME product at ~20x scale — can surface / sole cushioning / speaker grille / frosted bottle blocks — curving inward to form a diamond window around the hero",
    "condensation": "water droplets covering all macro frame fragments",
    "typography": "white bold 2-word stacked title on the left, lowercase slash subtitle 'x / y', small glyph mark (/// or ••• or //)",
    "product_branding": "the title words also printed on the product itself (diagonal on can / on label / on tag)",
    "format": "