卡通风夏日西瓜海滩度假插画素材

Vintage 1950s travel poster illustration style: Cartoonish, happy whole watermelon with a smiling face, wearing sunglasses, sitting on a sunny beach with palm trees. Text "Summer's Sweetest Escape!" in retro bold font. Bright, saturated colors, halftone dots texture, playful vibe. --ar 3:4