Generate a whimsical and enchanting photographic poster-style image inspired by the Cheshire Cat from 'Alice in Wonderland.' Showcase the mystical feline in a mischievous and elusive pose, with its iconic grin and vibrant striped appearance. Utilize a fantastical color palette, incorporating hues that evoke the magical and surreal atmosphere of Wonderland. Capture the cat in a playful or enigmatic pose, with elements that suggest its ephemeral nature. Employ creative lighting and composition to infuse the image with an otherworldly quality, making it suitable for a poster that captures the essence of Lewis Carroll's timeless tale and the mysterious allure of the Cheshire Cat.