Black Sneakers Purple Gradient Promo

[Format] Professional e-commerce product main image, square 1:1, high-contrast sneaker promo with purple gradient chrome on a white stage. [Colors] White background (#ffffff). Headline in gradient blue-to-purple characters; purple check icons and pills; a bottom band in deep purple gradient (#7a3fd0 range) with white text. Black shoes with white soles. No frame border. [Layout] The top half carries two lines of large gradient headline and three rows of checkmark claims arranged in two columns. Centre-right holds a pair of black running shoes, one upright and one tilted. The bottom band pairs a factory-direct claim on the left with a price block on the right, and a final line of dark text beneath. [Subject] No people. A pair of black knit running sneakers with chunky white midsoles and black laces, one shoe angled to show its profile, floating over the white ground with a soft shadow under crisp product lighting. [Headline] Top lines in heavy gradient characters: "Breathable, Extra Fresh" and "Versatile, Extra Stylish". Claims with purple checkbox icons: "Anti-slip design", "Free shipping storewide", "Authenticity guaranteed". Bottom band: "Factory direct, genuine product" in white on the left; "Sale price" small above a giant "$109" on the right. Beneath the band, large dark text "Buy 1 Get 1 Free storewide". [Mood] Punchy, sporty and value-loaded; a clean white stage with electric purple type, instantly readable at thumbnail size.