现代简约波普风几何点阵纹理深蓝橙色篮球运动活力插画

basketball tournament poster, minimalist style, deep blue and red color scheme, white and orange accents, left poster with basketball pattern in lower left corner, right poster with basketball pattern in top center, left poster background with deep blue gradient and dotted texture, right poster background with red polka dots, clear and vibrant design, conveys information about basketball tournament time, format, and registration requirements, energetic and competitive atmosphere