{"file":"source/images/home-hero-4k.webp","model":"gemini-3.1-flash-image-4k","requested_size":"3840x2160","actual_resolution":"3840x2160","generation_time_ms":28607,"generation_time_seconds":28.61,"response_format":"b64_json","output_format":"webp","file_size_bytes":905324,"file_size_kb":884.1,"postprocess":"center crop from Gemini 4096x4096 source to 3840x2160, WebP q90, no downscale","prompt":"Ultra-high-resolution 4K cinematic hero banner for a Chinese personal technology blog about frontend engineering and AI infrastructure. An abstract developer workbench at night: crisp luminous modular grid, subtle code-like geometric patterns, a small warm desk lamp, floating translucent network paths and intelligent-agent nodes, deep indigo and teal palette with restrained emerald accents. Premium editorial digital illustration, sharply rendered fine details across the full image, clean central upper area with low-detail negative space for a white website title overlay, visual focus along lower edges, no people, no recognizable logos. Wide 16:9 landscape composition. no text, no letters, no watermark, no brand marks, no platform logos.","created_at":"2026-07-22T07:20:56+0800"}