Abstract vector gold foil line art, using continuous golden lines to outline layers and relief effects, with core elements of Shanghai landmark buildings, highlighted with golden line highlights. Scene: Matte gem blue paper background, with both fiber and velvet particle texture, no reflective effect. Style: Bronzing relief vector craftsmanship style, clean and sharp craftsmanship, restrained white space without redundant elements. Color tone: Clear contrast between cool green and warm gold, gem blue background set off against golden line art, distinct color hierarchy. Light and shadow: Golden line highlights strengthen details, cool tone background sets off warm golden lines, light and shadow are even and soft. Composition: Subject of the picture is prominent, elements are arranged simply and orderly, reasonable white space, no text. Purpose: 1-themed propaganda poster, red culture Chinese-style graphic design material.