Design a dark-mode mobile app interface screen: deep midnight canvas anchored by electric emerald nodes and precision data telemetry.
LAYOUT
Vertically stacked mobile dashboard layout organized into distinct conceptual tiers. The page opens with an edge-to-edge promotional hero slider, followed by a horizontal carousel of service offerings, and transitions down into a dense, multi-metric performance dashboard with embedded geospatial tracking.
PALETTE (use these exact hex values)
- #0B0F12 — Canvas Background: Primary mobile background beneath all views and banners
- #131920 — Surface Card: Background fill for services cards and performance overview container
- #1E2732 — Card Border: Subtle hairline perimeter strokes defining card contours and grid dividers
- #27AE60 — Brand Emerald: Primary action button background, pagination indicator, and headline accent
- #30D158 — Emerald Bright: Glow dots, map telemetry nodes, and percentage gain indicators
- #3B82F6 — Sky Blue: Icon tint for air freight category
- #F59E0B — Warm Gold: Icon tint for ocean freight category
- #FFFFFF — Text Primary: Hero titles, metric numbers, and section headlines
- #8C9BAE — Text Secondary: Descriptive copy, subheadings, and metric labels
- #4A5568 — Text Muted: Carousel inactive dots and tertiary micro copy
TYPOGRAPHY
Typeface Inter (or SF Pro Text, Plus Jakarta Sans, Roboto), weights 400/500/600/700. Sizes 11px caption, 12px body-sm, 14px body, 15px body-lg, 17px subheading, 20px heading, 32px display. Tracking -0.02em for headings, 0 for body. Clean, highly technical, and institutional sans-serif (typified by Inter or SF Pro Display). It delivers utilitarian precision, clinical legibility at micro sizes for complex telemetry, and crisp authority in display headlines without decorative distractions.
GEOMETRY & SPACING
Corner radii — cards 16px, links 4px, inputs 10px, buttons 12px. Spacing on a 4px unit, 12px gaps, 28px between sections, 390px container, comfortable density.
DEPTH
Depth is created purely through surface color layering rather than drop shadows. Base canvas rests at #0B0F12, elevated cards sit at #131920 with crisp 1px borders (#1E2732), and interactive focal points gain presence through localized radial lighting and glowing emerald telemetry nodes.
IMAGERY
Cinematic, moody, and ultra-high-definition logistics photography shot at twilight or dawn with low-key studio lighting. Heavy vehicles, aircraft, and container vessels emerge naturally from deep dark gradients; vector elements such as dotted coordinates and curved geospatial paths are overlaid directly onto maps and photos.
SIGNATURE DETAIL — the thing that makes this design itself
The juxtaposition of a deep midnight #131920 card infrastructure with connected, glowing emerald green (#30D158) vector network nodes, paired with two-tone display headlines where key operative words flip from white to bright green.
MUST
- Use pure white typography for primary numbers and headlines against the dark canvas.
- Reserve the bright emerald green (#2ECC71/#27AE60) strictly for active states, primary CTA, and positive telemetry deltas.
- Enclose distinct modules in #131920 surface cards with hairline borders (#1E2732) and 16px corner radii.
- Maintain consistent 16px horizontal screen padding on all content sections.
AVOID
- Never use pure black (#000000) for card surfaces; use #131920 to retain ambient visual depth.
- Do not apply heavy dropshadows or colored glows to standard rectangular cards.
- Avoid using bright emerald on large non-interactive background areas.
- Do not omit the hairline 1px border on dark cards, or edges will visually collapse.
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 
