简约现代风金色麦穗叶子装饰黑色文字框白色背景

minimalist illustration, white background, gold and dark blue color scheme, diploma template in the center, rectangular shape, decorative gold patterns at the top, golden wheat ears on both sides, text includes 'Diploma', 'Date', 'Signature', and a Latin-style filler text, formal and dignified overall visual effect, conveys a sense of achievement and recognition