一个高度细致、逼真的、适合 Instagram 风格的立体场景作品，形式为一张打开的立体旅行明信片，立在某地真实风格的石头或人行道边沿…

A highly detailed, photorealistic, Instagram-worthy diorama in the form of an open pop-up travel postcard standing upright on a locally authentic stone or pavement ledge, featuring [CITY], [COUNTRY]. Vertical 3:4 portrait composition. CAMERA & COMPOSITION (critical): Static camera at eye level, angled 25 degrees off-axis to the left for a three-quarter view — paper thickness, forward curve, and the horizontal base panel folding toward the viewer clearly visible. The card occupies roughly 65% of the frame, fully contained, with generous breathing room on all four sides and open sky above its top edge. Never crop the card. Vertical fold slightly left of center: flat printed left panel for all text and ink work, papercraft rising on the right. Natural sky matching the destination fills the upper fifth. FOREGROUND CARD: Authentic vintage postcard, rounded corners, aged paper with a subtle decorative border inspired by the destination's visual identity, an authentic local postage stamp, handwritten travel note, ci…

一个高度细致、逼真的、适合 Instagram 风格的立体场景作品，形式为一张打开的立体旅行明信片，立在某地真实风格的石头或人行道边沿上，主题是 [CITY]、[COUNTRY]。采用垂直 3:4 人像构图。 相机与构图（关键）： 相机静止，置于与眼睛齐平的高度，向左偏轴 25 度，以获得四分之三视角——纸张厚度、向前的弧度以及朝向观众的横向底面板折叠清晰可见。明信片约占画面 65%，完整包含在画面内，四边留有充足呼吸空间，顶部边缘以上为开阔天空。绝不可裁切明信片。垂直折痕略偏左中：左侧为平整印刷面板，用于所有文字和墨水图案，右侧为立起的纸工艺造型。与目的地一致的自然天空填充上方五分之一区域。 前景明信片： 正宗的复古明信片，圆角，泛黄纸张带有灵感源自目的地视觉特征的精致装饰边框，一张当地真实的邮票，手写的旅行便条，ci…