โปสเตอร์ลายเส้นเซี่ยงไฮ้สไตล์มินิมอลสวิส

{
  "type": "Swiss minimalist travel poster with cinematic city line art",
  "format": "vertical poster, 2:3 aspect ratio",
  "style": "ultra-detailed monochrome architectural ink drawing on warm ivory paper, precise thin black lines, high-density urban sketchbook detail, quiet restrained Swiss graphic design, ample negative space at top, clean typography, strictly black ink on ivory background",
  "parameters": {
    "main_headline": "[SHANGHAI]",
    "city_name_chinese": "[上海]",
    "city_subtitle": "[SHANGHAI, CHINA]",
    "main_street_sign": "[南京东路]",
    "poster_city": "[Shanghai]"
  },
  "layout": {
    "top": "huge widely spaced sans-serif headline reading [SHANGHAI] across the full width; small left text block reads 'WELCOME / TO / SHANGHAI / 欢迎来到上海' with a short underline; small right text block reads 'SHANGHAI / CHINA / 上海，中国' with a short underline",
    "centerpiece": "a dramatic one-point-perspective Shanghai boulevard, tram tracks converging toward the horizon, a vintage tram centered in the foreground with destination sign [南京东路] and number 20, overhead trolley wires, pedestrians and cyclists crossing at a zebra crossing",
    "skyline": "Shanghai landmarks rising behind the street: Oriental Pearl Tower on the left-center, Shanghai World Financial Center bottle-opener tower near center, Jin Mao Tower, and Shanghai Tower as a tall rounded skyscraper on the right-center",
    "street_scene": "dense rows of historic commercial buildings on both sides, layered balconies, windows, storefronts, awnings, hanging vertical signboards, streetlights, traffic lights, road signs, tiny pedestrians, two bicycles prominent in the foreground, cinematic architectural line drawing",
    "visible_labeled_elements": [
      "南京东路 vertical shop sign",
      "泰康食品 / TAIKONG FOOD sign",
      "小杨生煎 / YANG'S DUMPLING sign",
      "茶饮 / TEA SHOP sign on left",
      "南京东路 road direction sign",
      "淮海中路 / HUAIHAI ZHONGLU vertical sign",
      "新天地 / XINTIANDI vertical sign",
      "茶饮 / TEA SHOP sign on right",
      "淮海中路 road direction sign",
      "南京东路 tram destination sign",
      "Shanghai China bottom-left label",
      "上海 large bottom title",
      "SHANGHAI, CHINA bottom subtitle",
      "31.2304° N coordinate",
      "121.4737° E coordinate",
      "WELCOME TO SHANGHAI text block"
    ],
    "bottom": "large Chinese characters [上海] centered above a thin horizontal rule, with [SHANGHAI, CHINA] below; bottom-left has a small 'SHANGHAI / CHINA / 中国·上海' label and underline; bottom-right has coordinates '31.2304° N' and '121.4737° E' with underline",
    "composition_notes": "symmetrical urban canyon, tram on center axis, skyline landmarks framed by historic buildings, crisp vector-like ink penwork, generous poster margins, no gradients, no painterly shading, no photographic textures"
  }
}