Design a light-mode website section: a deep space command card floating gracefully above an airy, architectural enterprise footer.
LAYOUT
The design adopts a binary top-and-bottom hierarchy. The upper zone is dominated by an inset, high-altitude rounded CTA container with centered copy and horizontally paired buttons. The bottom zone expands into a six-column grid: a wide brand introduction column on the left, four equidistant link stacks in the center, and a newsletter capture block on the far right. The composition concludes with a single-line horizontal sub-footer delimited by a hairline rule.
PALETTE (use these exact hex values)
- #040714 — Cosmic Void: deep midnight canvas tint for the floating call-to-action hero banner
- #ffffff — Pure Canvas: crisp white foundation for the entire bottom navigation area and newsletter input
- #3e63f6 — Electric Cobalt: primary conversion buttons, arrow icon fill, and highlighted autonomous headline text
- #0f172a — Obsidian Body: navigation column headings, logo typography, and high-priority labels
- #64748b — Slate Steel: footer links, brand bio paragraph, newsletter caption, and copyright text
- #94a3b8 — Starlight Mist: explanatory body text placed against the cosmic dark surface
- #e2e8f0 — Subtle Border: input borders, social icon button strokes, and divider rules
TYPOGRAPHY
Typeface Inter (or Plus Jakarta Sans, Geist Sans), weights 400/500/600/700. Sizes 13px caption, 14px body-sm, 15px body, 15px subheading, 18px body-lg, 44px display. Tracking -0.025em for display, -0.01em for body. The typographical tone is calm, highly technical, and authoritative, relying entirely on a neutral geometric neo-grotesk. Tight negative tracking on display headings projects enterprise engineering maturity, while standard body tracking ensures rapid scanning across dense footer links. Inter or Plus Jakarta Sans function seamlessly as open-source implementations without sacrificing crisp character shapes.
GEOMETRY & SPACING
Corner radii — cards 24px, links 4px, inputs 8px, buttons 8px. Spacing on a 8px unit, 32px gaps, 80px between sections, 1280px container, comfortable density.
DEPTH
Depth is achieved through dramatic planar contrast rather than layered drop shadows. The cosmic midnight CTA card rests cleanly as an opaque object directly atop the flat, clinical white footer ground. This sharp dark-on-light juxtaposition creates instantaneous visual elevation without rendering fuzzy raster blur.
IMAGERY
The imagery within the CTA card consists of mathematical particle meshes creating wave topography alongside soft-lit photorealistic planetary spheres. The lighting is subtle, cold-white to deep indigo, suggesting advanced autonomous systems operating across vast scales. Cartoon vectors or brightly saturated illustrations would completely rupture this enterprise tech atmosphere.
SIGNATURE DETAIL — the thing that makes this design itself
The defining move is the dramatic architectural 'island' CTA: floating a deep cosmic card with textured wave particles and curved 24px corners directly against a stark, pure white enterprise directory. It avoids the tired full-bleed footer bleed, creating an intentional pause where marketing conversion meets utility. Misusing it by turning the footer dark or extending the CTA card full-bleed completely destroys the intentional figure-ground tension.
MUST
- Retain the floating card architecture with visible outer margins around the dark CTA container.
- Maintain strict monochrome fidelity for the lower footer on a pure white background (#ffffff).
- Use 24px radius exclusively for the hero card while keeping UI inputs and buttons at 8px.
- Reserve the vibrant cobalt blue (#3e63f6) strictly for interactive primary actions and headline accents.
AVOID
- Never stretch the dark CTA block to full screen edges; outer margin inset is essential.
- Do not invert the footer into a dark mode layout; contrast between dark card and white base is vital.
- Avoid heavy drop shadows; depth must be communicated purely through color contrast and perimeter isolation.
- Never tint footer links in blue; keep all body navigation strictly neutral slate (#64748b).
OUTPUT
Render as a clean, pixel-crisp UI design at roughly 1792:1024. Flat vector rendering, real legible text, no browser chrome, no device mockup frame, no watermark, no lorem ipsum placeholder blocks. 在 DraPub 中尝试 
