Chinese City Brushstroke Poster

A minimalist high-end Chinese city tourism poster on an off-white textured paper background with vast negative space. A traditional calligraphy brush enters from the lower left corner, and its single sweeping brushstroke transforms into a detailed miniature landscape of {argument name="city name" default="南京"}. Inside the elongated ink-brush shape, create a delicate diorama-like ancient Chinese city scene with layered mountains, stylized swirling clouds, pale green water, stone walls, and classical architecture. In the lower left of the brushstroke, show 1 fortified city gate with gray brick walls and a traditional roof, with tiny red flags along the battlements. In the lower middle-right, show a compact cluster of 6 traditional waterside buildings with dark tiled roofs and red wooden structures. In the upper right, show 1 grand stairway rising through trees to 1 monumental ancient gate tower with blue-gray roof tiles. Use a refined palette of ink black, stone gray, muted teal, pale jade, beige, and soft earthy reds, with a handcrafted blend of ink wash painting, paper sculpture relief, and ultra-detailed miniature model aesthetics. The brushstroke edges should look dry-brushed and organic, as if the city is painted into existence. Place large expressive black Chinese calligraphy below the brushstroke reading {argument name="main calligraphy" default="南京"}. Beneath it, add 2 lines of smaller printed Chinese text: first line {argument name="tagline text" default="江南佳丽地，金陵帝王州"}, second line {argument name="subtitle text" default="六朝古都·山水金陵"}. Overall composition should feel poetic, elegant, premium, cultural, and suitable for a luxury city branding or tourism promotion poster.