动漫奇幻城市景观展览海报

An official anime key visual poster of a serene white-haired elf mage standing on a stone balcony above a sunlit medieval fantasy city and lake, three-quarter back view with her face turned toward the viewer, long silver hair and white cloak with gold trim flowing in the breeze, carrying a dark suitcase, a second purple-haired girl seen from behind at the railing, ivy-covered pillar and blue flowers framing the left side, distant castle on a hill under a bright blue sky with soft clouds and birds, elegant decorative border and Japanese title text in the upper right, delicate watercolor-like anime painting, ultra-refined linework, luminous soft daylight, airy atmosphere, pastel palette of sky blue, white, cream, sage, and lavender, silky fabric, stone and foliage textures, subtle bloom, cinematic depth, polished promotional illustration, highly detailed, widescreen composition