Mixue Milk Tea Flyer Design

Generate a vertical restaurant brand flyer design image with {argument name="ratio" default="9:16"}. The brand name is "{argument name="brand" default="Mixue Bingcheng"}, the dining category is "{argument name="category" default="milk tea / tea drinks"}, and the flagship product is "milk tea." The overall visual style is bright, clean, youthful, trendy, approachable, cost-effective, and highly appetizing tea beverage flyers. The colors in the images are mainly highly recognizable red, pure white, and light cream. In the center area, place a large cup of main visual milk tea product image; the cup should be fresh and tempting. Below is a discount information section to highlight the price appeal. Clear hierarchical layout information: brand name > main title > product image > discount information > address QR code.