A stylish banner image for a pet door-to-door feeding mini-program, featuring prominent golden glowing text '首单专享立减券 去领券 →' in the center with an arrow pointing right for call-to-action, background shows adorable dogs and cats waiting to be fed in a cozy home while owners are away on travel, soft sunlight streaming in, modern flat design style, trendy gradient colors, vibrant composition using rule of thirds, warm bright color palette, studio lighting highlighting the text, high-resolution vector graphics, professional UI design feel, enticing users to claim the coupon, 16:9 banner ratio