Quality Guarantee Service Promise

[Format] Professional e-commerce service-guarantee main image, square 1:1, clean trustworthy blue infographic layout. [Colors] Background light blue grid (#eef4fb) fading to white, primary accent royal blue (#1f5fc4), secondary white cards with soft shadows, blue diagonal-striped header panel, rounded outer frame with a subtle blue border. [Layout] Top third holds a wide blue striped banner with the main slogan and sub-slogan; below, a row of three tall white rounded cards, each with a giant outlined number, a caption line, and a small footer tag; a tiny pinyin-style subtitle sits under the banner. [Subject] No physical product; an all-typography guarantee poster built from three uniform white service cards with oversized numerals. [Headline] Blue banner in bold white: "Great Quality, Bold Promises" with subline "Quality Commitment, Shop with Confidence". Card one: giant "3" with "3-installment Interest-free" and "Worry-free Shopping". Card two: giant "7" with "7-day No-reason Returns" and "Worry-free Exchanges". Card three: giant "10" with "10-year Warranty" and "Worry-free Quality". [Badges] Striped headline banner, three numbered service cards with footer tags; no price element. [Mood] Reassuring and orderly, radiating dependable after-sales confidence.