Title: Ink Wash Poem — Mountain Dialogue Prompt: A handscroll pairing Wang Wei's Deer Enclosure with a paintable ink landscape. Layered mountains and a red seal anchor the scene while visitors add dry strokes, wet washes, and mist dots with the brush. Rice paper, pine soot, and seal-red palette. Design: Split handscroll with paintable mountain scene and dark poem rail; clip-path peaks, canvas ink layer, vertical seal block, verse lines, and brush control box with verse tabs. Visual techniques: - Canvas brush engine with stroke, wash, and mist modes - Layered clip-path mountains with mist gradients - Adjustable ink-load brush sizing - Red chop seal stamping on the canvas - Responsive scroll-to-stack with vertical seal typography Interaction model: Dragging on the painting adds ink in the chosen mode and load; verse tabs narrate lines and update the log; Seal stamps a red chop, Rinse clears the canvas and resets the touch count.