扁平矢量物理环境分析图：被动式住宅

物理环境分析图，日照与自然通风，主体为被动式住宅，剖透视与轴测结合，扁平矢量插画风格，干净的几何色块，无纹理无渐变，暖阳配色，奶油色、杏橘、珊瑚红与灰紫，太阳轨迹弧线，蓝色风向流线穿过建筑，地面阴影投影，冷暖温度色带，构图简洁，信息层级清晰，大量留白，画面中不出现文字和标注，高清，适合设计展板

environmental analysis diagram showing sun path and natural ventilation of a passive house, combined sectional and axonometric view, flat vector illustration style, clean geometric shapes, no texture, no gradients, warm sunset palette of cream, apricot, coral red and dusty purple, sun path arcs, blue wind flow lines passing through the building, cast shadows on the ground, warm-to-cool temperature gradient, clean composition, clear visual hierarchy, generous white space, no text or labels in the image, high resolution, architecture presentation board