请为【城市名】生成竖版城市宣传海报。不要套用固定模板，要先提炼这座城市最独特的文化背景、地理环境、产业发展和城市理念，再据此设计画面结构。
画面必须让人一眼看出这是【城市名】：选取该城市最具辨识度的历史文化符号、自然地理符号、现代地标、产业特征、生活气质和未来愿景。构图不固定，可根据城市特色自由安排前景、中景、远景和动势元素。
要求体现：
历史文化：该城市的传统建筑、地域文化、民俗、历史记忆或精神象征。
当下发展：现代天际线、产业特色、交通、商业、科技、金融、港口、生态等。
城市理念：用视觉隐喻表现这座城市的精神，比如开放、创新、烟火气、国际化、山水人文、未来科技等。
海报质感：竖版 9:16，高端国潮城市宣传海报，写实数字绘景与水墨/光影融合，电影级光影，高细节，商业海报排版。
文字：城市名“【城市名】”可作为书法主标题，另加一句符合城市气质的宣传语；避免大量小字乱码。
不要通用城市拼贴，不要错误地标，不要廉价旅游广告感，不要卡通风，不要水印。
Please generate a vertical city promotional poster for [City Name]. Do not apply fixed templates. You must first extract the city's most unique cultural background, geographical environment, industrial development, and urban philosophy, and then design the visual structure based on this.
The image must make people recognize at a glance that this is [City Name]: select the most recognizable historical and cultural symbols, natural geographical symbols, modern landmarks, industrial characteristics, lifestyle temperament, and future vision of the city. The composition is not fixed; you can freely arrange foreground, midground, background, and dynamic elements according to the city's characteristics.
Requirements to reflect:
Historical culture: the city's traditional architecture, regional culture, folk customs, historical memory, or spiritual symbols.
Current development: modern skyline, industrial characteristics, transportation, commerce, technology, finance, ports, ecology.
Urban philosophy: use visual metaphors to express the spirit of the city, such as openness, innovation, local lifestyle atmosphere, internationalization, landscape and humanities, future technology.
Poster texture: vertical 9:16, high-end Guochao city promotional poster, integration of realistic digital matte painting and ink wash/light and shadow, cinematic lighting and shadow, high details, commercial poster layout.
Text: the city name "[City Name]" can be used as the calligraphy main title, plus a promotional slogan that matches the city's temperament; avoid a large amount of small garbled text.
No generic city collages, no incorrect landmarks, no cheap tourism advertisement feel, no cartoon style, no watermarks.
