Subject: Modern-style indoor space, featuring furnishings such as sofas, tables, chairs, and green plants, with furniture outlines and space structures outlined using simple lines. Scene: Minimalist and transparent modern indoor space. Style: Architectural interior hand-drawn line art style. Tone: No heavy colors, primarily presented in black and white lines. Lighting: No realistic lighting and shadows, with spatial hierarchy conveyed through the density of lines. Composition: Complies with perspective rules, showcasing spatial hierarchy. Purpose: Design reference image, auxiliary material for interior design schemes.