Design a light-mode web interface screen: deep midnight operations framing luminous white cards and electric cobalt precision.
LAYOUT
The workspace employs a fixed 260px dark left rail for application-level hierarchy, alongside a fluid-width main content area. The main canvas stacks logically: a top global search/action toolbar, followed by the expressive hero welcome message. Below lies a 5-column dashboard grid (four compact KPI tiles stacked 2x2 next to a double-width revenue chart), transitioning down into a 4-column service card carousel, and culminating in a comprehensive filterable tabular project directory.
PALETTE (use these exact hex values)
- #0a1128 — Sidebar Midnight: Anchoring dark sidebar surface, creating high-contrast visual framing on the left edge
- #f8fafc — Canvas Ice White: Main dashboard background behind all primary metric cards and tables
- #ffffff — Card Surface: White background fill for analytical containers, interactive service panels, and tables
- #2563eb — Electric Cobalt: Primary action button, active hero headline text, active chart line, and progress bars
- #eff6ff — Active Surface Blue: Background tint for selected service card and active sidebar interaction states
- #0f172a — Deep Slate Text: High-emphasis headings, key metric numbers, and project titles
- #64748b — Muted Slate Text: Secondary labels, timestamps, delta comparisons, and placeholder typography
- #e2e8f0 — Card Border Line: 1px hairline rule defining card contours, input perimeters, and table dividers
- #10b981 — Emerald Trend: Positive revenue sparklines, growth indicator badges, and completed tags
- #f59e0b — Amber Alert: In-review project badges and utilization sparkline metrics
TYPOGRAPHY
Typeface Plus Jakarta Sans (or Inter, DM Sans, General Sans), weights 400/500/600/700. Sizes 11px caption, 13px body-sm, 14px body, 16px body-lg, 20px subheading, 28px heading, 40px display. Tracking -0.03em at display, -0.01em at body. The typography relies on Plus Jakarta Sans, offering clean corporate legibility combined with contemporary geometric poise. Tight letter-spacing (-0.03em) on large titles gives the agency display text an assertive, premium editorial punch. In tables and numeric readouts, proportional lining figures ensure effortless vertical alignment across currency, percentages, and dates.
GEOMETRY & SPACING
Corner radii — cards 16px, links 6px, inputs 10px, buttons 10px. Spacing on a 8px unit, 20px gaps, 40px between sections, 1440px container, comfortable density.
DEPTH
Depth is communicated primarily through structural contrast between the midnight sidebar and bright canvas rather than heavy vertical shadows. Cards sit upon the #f8fafc backdrop using a crisp 1px border (#e2e8f0) and an imperceptible diffused shadow (0 1px 3px rgba(0,0,0,0.04)). Floating elements like chart tooltips receive slightly higher elevation (0 10px 25px -5px rgba(0,0,0,0.08)) to cleanly separate from data curves.
IMAGERY
This interface avoids photographic assets entirely, prioritizing clean vector stroke iconography and dynamic geometric data visualizations. Icons feature consistent 1.5px line weights with rounded joins inside subtle squircle bounding boxes. Off-brand graphics would include raster photos, 3D clay illustrations, or skeuomorphic glassmorphic textures.
SIGNATURE DETAIL — the thing that makes this design itself
The two-tone title 'Let's build something extraordinary.' where the dark headline breaks into an electric cobalt brand accent, set against an ultra-deep midnight sidebar. To implement correctly, keep primary headers concise and apply the brand color only to the single terminal concept. Misuse occurs when multiple words across consecutive headings are colorized, causing visual fatigue and loss of hierarchy.
MUST
- Reserve #2563eb cobalt strictly for primary actions, current highlights, and active chart segments.
- Maintain high contrast between the deep midnight sidebar (#0a1128) and the crisp white card surfaces.
- Use 16px corner radii uniformly across metric cards, service panels, and data table containers.
- Split complex hero headlines to color the final emphatic word in bright cobalt.
AVOID
- Do not apply heavy saturated drop shadows to cards; rely on 1px borders and soft 4px-12px ambient blur.
- Never use pitch black (#000000) for body text; use deep slate (#0f172a) for natural reading cadence.
- Avoid colored backgrounds on standard metric cards; reserve tint fills exclusively for active selected states.
- Do not remove the dark sidebar in desktop viewport mode, as it forms the foundational identity anchor.
OUTPUT
Render as a clean, pixel-crisp UI design at roughly 1280:3840. 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 
