โปสเตอร์ภาพถ่ายคอลลาจแบบแบ่งครึ่ง

A vertical split-screen design poster divided strictly 1:1 into two equal 50% sections. Top half: Displays the original reference photo. Bottom half: Reconstructs the core theme and memories of the reference photo into a [pastel hand-drawn graffiti material collage illustration with retro paper texture]. Color palette: Uses [2 to 4] vivid, harmonious colors extracted directly from the reference photo to tie the composition together.