New Full-Screen Smartphone Launch Deal

[Format] Professional e-commerce product main image, square 1:1, glossy smartphone promo with layered gradient design. [Colors] Background of violet-blue gradient (#7f7fe8 to #b7b3f2) with faint oversized watermark lettering, a floating white rounded card behind the phones, primary accents of iridescent pastel screen swirl, black phone body, lavender and white type blocks. No frame border. [Layout] White logo chip with brand line top left; navy title sits upper left; a lavender rounded banner with white text and a large numeral sits mid-left above a small circular scroll hint; two phones angle side by side center-right; a fine white assurance line runs beneath the phones; the bottom quarter splits a white price block on the left and a violet savings bar on the right. [Subject] A modern black smartphone shown front and back, the front lit with a dreamy pastel gradient wallpaper, the back revealing dual cameras and a glossy black glass finish. [Headline] Navy title 'New Full-Screen Smartphone' in bold; lavender banner reads '$300 Off Your Phone Purchase'; assurance line states 'Free Express Shipping, Authenticity Guaranteed, 12 Interest-Free Installments'; bottom shows 'Special Price RMB 2399' as '$2399' and 'Up to $600 Off Instantly' in white on violet. [Mood] Sleek, upbeat and deal-charged, pure flagship-launch energy.