Subject: Deep blue spiral tunnel, radial luminous lines, matrix rectangular light blocks, suspended white sans-serif uppercase English text "FREETU", small text "TECHNOLOGY" below. Scene: Future technology virtual wormhole space, spiral tunnel extending deep into the distance, light and shadow lines simulating high-speed data stream transmission, creating an atmosphere of cyber technology and digital time-space traversal. Style: Abstract future technology style, cyber digital art texture, strong perspective depth, cold and simple modern visual tone. Color palette: Dominated by deep sea blue, cyan blue, bright blue, paired with white text accents, colors are cool and clean with strong technological sense. Lighting: Luminous lines and light blocks have neon self-illuminating effects, tunnel light and shadow layers transition and flow, bright-dark layers are three-dimensional and transparent, data stream light flows smartly. Composition: Spiral tunnel centered and extending into depth forming the main visual axis, text arranged suspended on the left,画面透视张力强, layout is neat and full of futuristic feel. Use: Suitable for technology website homepage banner, cybersecurity theme poster, data transmission promotion background, technology brand cover vision, internet enterprise PPT back cover material.