Subject: Gradient-dissolving digital human index finger and glowing tech chip. Scene: Dark blue dark-style tech background. Style: Ultra-realistic tech style. Color tone: Dark blue color scheme, supplemented by the dazzling light of the chip. Lighting: The chip emits strong dazzling light, while the rest of the area is dark to highlight the subject. Composition: Subject is located on the right side of the frame, empty space on the left, 16:9 aspect ratio. Purpose: Main visual for tech product advertising.