水彩幻化现实：北京 CBD 海报

Create a vertical city poster showing {argument name="city district" default="Beijing Guomao CBD"} transforming from watercolor painting into photorealism. The canvas is portrait-oriented, about 4:5, with a seamless left-to-right transition: the left half is a loose watercolor illustration with visible paper texture, splattered pigment edges, soft pastel washes in blue, lavender, peach, yellow, and teal, while the right half gradually becomes a crisp realistic aerial city photograph under a bright blue sky with scattered clouds. The skyline must feature the Beijing CBD landmarks: the tall China Zun tower dominating the right side, the CCTV Headquarters angular loop building near the center-right, and multiple glass skyscrapers on the left-center, with broad roads, traffic lanes, trees, low-rise blocks, and urban avenues visible below. Add elegant Chinese title typography in the upper-left reading {argument name="headline text" default="国贸CBD"}, with a thin horizontal divider line beneath it and smaller subtitle text reading {argument name="subtitle text" default="从水彩到现实"}. Use warm late-afternoon sunlight, high detail on the realistic side, dreamy translucent watercolor blooms on the painted side, and make the boundary between painting and reality feel poetic and fluid, as if the city is waking from a scroll. No people, no watermark, no extra labels.

创作一张竖版城市海报，展示 {argument name="city district" default="北京国贸 CBD"} 从水彩画转变为写实摄影的过程。画布为竖构图，比例约为 4:5，呈现从左到右的无缝过渡：左半部分为写意水彩插画，保留明显的纸张纹理和颜料喷溅边缘，采用蓝色、淡紫色、桃色、黄色和青色的柔和色调；右半部分逐渐过渡为在明亮蓝天和稀疏云层下，清晰写实的城市航拍照片。天际线必须包含北京 CBD 的地标建筑：右侧高耸的中国尊大厦，中右侧 CCTV 总部大楼（大裤衩），以及左中部的多座玻璃摩天大楼，下方可见宽阔的道路、车道、树木、低层建筑和城市大道。在左上方添加优雅的中文字体标题 {argument name="headline text" default="国贸CBD"}，下方配有一条细横分割线，以及较小的副标题 {argument name="subtitle text" default="从水彩到现实"}。采用温暖的午后阳光，写实侧细节丰富，绘画侧呈现梦幻般的半透明水彩晕染效果，使绘画与现实之间的界限充满诗意与流动感，仿佛城市正从画卷中苏醒。画面中不包含人物，无水印，无额外标签。