Main subject: Two-story modern blue house, rooftop photovoltaic modules, indoor home appliance loads, inverters, battery energy storage cabinets, bidirectional electricity meters, power transmission towers, power flow lines. Scene: 3D cross-sectional structure of residential photovoltaic energy storage system, cross-sectional view of indoor living space, fully display the integrated residential photovoltaic energy storage energy link, no text. Style: 3D cross-sectional schematic diagram, simple technology visualization design. Color tone: Clean blue and white as the main colors, red and blue lines distinguish power flow, fresh and professional color matching. Lighting: Overall soft flat light, no strong shadows, clear structural layers. Composition: House centered cross-sectional display, energy equipment arranged around, power lines neatly connecting the whole. Purpose: Residential photovoltaic energy storage solution demonstration, new energy home decoration science popularization, photovoltaic enterprise product promotion, clean energy system principle display board.