Vertical concept poster hands holding cosmic window rainbow galaxy silhouette AI Image Prompt

Vertical game concept poster, 9:16 ratio, official art style of Reverse: 1999, blending fantasy and sci-fi, delicate digital painting texture with fine grain noise and retro film texture. Deep black starry sky background with distant dark planets. Center of the image: two huge blue-black translucent hands holding an elliptical black cosmic window from above and below. Inside the window: brilliant starry sky and multiple brown planets. A gorgeous rainbow gradient galaxy winds from the bottom left to the top right of the window. On the galaxy stands a tiny black human silhouette, surrounded by several small flying vehicles, with twinkling stars and colorful light dots scattered in the galaxy. Text layout: top-left white logo "重返未来" and English "REVERSE"; top-right of the window: gradient blue-pink-white artistic font "1987 COSMIC OVERTURE" with starlight particle effect, left side: white small text cast list. Overall lighting hazy and soft, colors dreamy and mysterious, atmosphere romantic and deep, full of sci-fi poetry of cosmic exploration. HD 8K, game-level concept design quality, print-level poster effect.