水彩城市旅行海报

A detailed watercolor travel poster of a {argument name="city street" default="lively city street"}, hand-painted urban sketch style, soft ink outlines, watercolor splashes, architectural detail, fashionable pedestrians walking through a busy avenue, cozy cafés and local shops, cinematic perspective, warm natural lighting, elegant travel magazine composition, large {argument name="city name" default="stylish city name"} typography at the top left, subtitle in handwritten script, subtle paper texture, atmospheric depth, realistic urban life, {argument name="color palette" default="pastel earth tones"}, loose brush strokes, travel journal aesthetic, highly detailed, artistic tourism poster, European/Japanese street illustration vibe, white margin layout, premium editorial design