Design a light-mode web interface screen: authoritative b2b product marketing pairing high-fidelity analytics canvas previews with crisp neo-grotesque typography and cobalt brush flourishes.
LAYOUT
The layout uses an asymmetrical two-column desktop hero grid inside an enclosed white sheet. The left column (spanning ~55% width) hosts the multi-layered dashboard UI preview to establish immediate product trust. The right column (spanning ~45% width) contains the social badge, display heading with blue flourish, body paragraph, primary/secondary CTA row, and a bottom row of three compact feature cards.
PALETTE (use these exact hex values)
- #F1F4F9 — Canvas Background: Outer wrapper background framing the primary viewport sheet
- #FFFFFF — Card Surface Base: Primary surface for dashboard mockup, navigation, and content modules
- #F8FAFC — Subtle Well Surface: Background fill for lower value-prop feature cards and table headers
- #2563EB — Cobalt Primary: Primary CTAs, active states, sparkline trajectories, and the gestural brush highlight
- #0F172A — Ink Primary: Display headlines, metric values, and primary entity labels
- #64748B — Slate Secondary: Body copy, navigation links, table column titles, and metric captions
- #10B981 — Emerald Success: Positive trend indicators, social proof badge pill, and active status tags
- #F59E0B — Amber Alert: NPS indicators, trial status tags, and energy feature icons
- #E2E8F0 — Border Subtle: 1px hairline rules for metric cards, table dividers, and input borders
TYPOGRAPHY
Typeface Plus Jakarta Sans (or Inter, SF Pro Display, General Sans), weights 400/500/600/700/800. Sizes 11px caption, 13px body-sm, 15px body, 18px body-lg, 20px subheading, 32px heading, 56px display. Tracking -0.035em at display, -0.01em at body. The typographic tone is resolute, technical, and executive. Plus Jakarta Sans or Inter provides clean geometric apertures and neutral letterforms that keep the dense numbers within the dashboard legible while delivering high visual gravity in the bold 56px headline. Commercial licenses can substitute with Inter or General Sans without compromising hierarchy.
GEOMETRY & SPACING
Corner radii — cards 16px, links 4px, inputs 8px, buttons 10px. Spacing on a 4px unit, 24px gaps, 80px between sections, 1360px container, comfortable density.
DEPTH
Depth is created using wide, ultra-diffused atmospheric shadows on top-level floating containers (0 24px 48px -12px rgba(15, 23, 42, 0.08)) while inner cards and tables remain nearly flat, relying on 1px borders (#E2E8F0) and background contrast. The subtle drop shadow gives the SaaS application mockup the impression of hovering gracefully over the sheet surface.
IMAGERY
No photographic imagery is used except for a small circular user avatar (32px) in the dashboard sidebar. The visual language is carried entirely by structural user interface architecture, interactive chart curves with gradient area fills, and micro-metric data visualizations. Stock illustrations or abstract 3D shapes would corrupt the crisp enterprise utility of this design.
SIGNATURE DETAIL — the thing that makes this design itself
The singular identity anchor is the spontaneous cobalt brush underline beneath the hero headline ('more customers'), placed directly in dialogue with an intensely engineered, rigid analytics dashboard mockup. This friction between spontaneous human gesture and mathematical data precision signals modern software that is both approachable and powerfully quantitative.
MUST
- Ground high-level marketing copy with a hyper-detailed, authentic SaaS app interface preview directly adjacent.
- Use exactly one cobalt blue brushstroke underline to create organic contrast against rigid structural typography.
- Maintain strict hairline borders (#E2E8F0) on UI cards to separate light-on-light nested surfaces.
- Pair colored category badges with 10% opacity tints of the same hue for subtle classification.
AVOID
- Do not add drop shadows to nested inner metric cards; use 1px borders instead to avoid visual muddiness.
- Do not use generic vector marketing illustrations; use high-fidelity product interface components exclusively.
- Do not use multiple brush underlines across the viewport; restrict to one key phrase only.
- Do not allow colored metric badges (green, blue, amber) to exceed 36px in dimension.
OUTPUT
Render as a clean, pixel-crisp UI design at roughly 3312:2480. 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 
