卡通手绘风日系动漫教室场景阳光洒落黑板数学公式学习

illustration, minimalist style, main color scheme of light blue and beige, soft and warm color palette, classroom interior, no people, blackboard and bulletin board at the front of the classroom, blackboard with mathematical formulas and diagrams, bulletin board on the left side of the blackboard, neatly arranged desks and chairs in rows, moderate spacing, sunlight slanting in from the windows, creating light and shadow effects, no decorative elements, simple background focused on the classroom interior, bright and warm overall visual effect, conveying a serene learning atmosphere,Ultra-clear, exquisite details, high-definition quality, e-commerce background, minimalism