Content Card

Content card, a thin frosted glass sheet 0.2 x 0.28 m, 0.005 m thick, 0.03 m corners, thin bright rim; width (0.16-0.32 m) and height (0.2-0.4 m) move edges, never corners; layout media-top, media-left or text, as flat decal slots. Accent.

风格：low-poly, flat-shaded vertex colors, no textures, 3 materials: the shared opaque one plus a distinct surface (glass, water or chrome), which stays its own mesh through mergeAssets rather than merging into the rest; shares palette and scale with its kit