Design a dark-mode website section: biometric clarity emerging from absolute deep-space black with subtle cyan luminescence.
LAYOUT
The page follows an asymmetric dashboard layout. A centered headline and category pill lead the upper region. Below, the viewport is split into a 1:4 ratio: the left column anchors the wearable hardware anchor and spec list, while the right grid houses four equal-width subscription tier cards. A full-width horizontal reassurance strip docks beneath the entire pricing grid.
PALETTE (use these exact hex values)
- #05070B — Canvas Obsidian: Deep ground background for the entire page canvas
- #0C1017 — Card Surface: Background fill for unselected pricing cards and bottom trust bar
- #1E2638 — Card Border Subtle: 1px hairline borders for inactive cards and secondary buttons
- #38BDF8 — Electric Cyan: Active glow accents, wearable LED pulse, and featured text links
- #2E82FE — Vibrant Blue: Primary solid CTA button fill and highlighted card perimeter border
- #22C55E — Mint Accent: New tier badge text and delicate perimeter highlight for Family tier
- #F8FAFC — Primary Text: Display headings, plan titles, and currency numerals
- #94A3B8 — Secondary Text: Plan descriptions, feature list items, and subtitles
- #64748B — Muted Text: Cadence qualifiers like '/mo' and fine footnote disclosures
TYPOGRAPHY
Typeface Inter (or Plus Jakarta Sans,SF Pro Display,Geist), weights 400/500/600/700. Sizes 11px caption, 12px body-sm, 14px body, 16px body-lg, 20px subheading, 36px heading, 44px display. Tracking -0.02em at display, 0.05em at caps badges. The typography conveys clinical precision and quiet emotional intelligence. Using a neutral, highly engineered grotesque (like Inter), it prioritizes legible numerical data and clean technical labels over expressive flair. Generous negative space and subtle tracking variations ensure readability against pure black surfaces.
GEOMETRY & SPACING
Corner radii — cards 16px, links 4px, inputs 8px, buttons 10px. Spacing on a 4px unit, 16px gaps, 64px between sections, 1280px container, comfortable density.
DEPTH
Depth is created entirely through luminescence rather than physical drop shadows. A soft, diffuse radial cyan backlight sits behind the wearable device, while cards use razor-thin 1px border contrasts (#1E2638) against the deep #05070B background. The featured card steps forward purely via an active cyan border stroke and faint ambient glow.
IMAGERY
The only imagery is a photorealistic, studio-lit dark hardware wearable floating on the left, emitting a sharp horizontal cyan LED indicator. The image is silhouetted against pure black with an ethereal blue back-glow. Any brightly lit, lifestyle photography or colorful illustrative graphics would clash with this technical, bio-metric aesthetic.
SIGNATURE DETAIL — the thing that makes this design itself
The asymmetric pairing of a floating, glowing wearable device on the left directly feeding into four dark-panel pricing cards, illuminated by a single electric cyan primary highlight card.
MUST
- Keep the canvas near pure black (#05070B) to let glowing cyan hardware highlights pop.
- Limit solid vibrant fill buttons to exactly one featured tier card across the set.
- Use 1px borders with low contrast (#1E2638) to define cards without visually crowding.
- Align all feature checkmarks vertically using slate-grey tick icons at 14px.
AVOID
- Do not use white or light backgrounds; this destroys the hardware luminescence effect.
- Never apply loud multi-color gradients across multiple pricing card headers.
- Avoid heavy drop shadows; depth must rely on hairlines and soft radial light glows.
- Do not omit the hardware companion column; the value proposition relies on hardware+app context.
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 
