卡通手绘风温馨课堂师生互动快乐学习场景插画

illustration, cartoon style, main colors green, brown, red and blue, 8 characters including 1 adult female teacher and 7 child students, teacher smiling, holding red book, pointing to items on podium, students facing teacher, attentive, teaching scene, decorative elements chalk and eraser on podium, simple green chalkboard background, warm classroom atmosphere, emphasizing education and learning theme, detailed, high quality