Design a dark-mode web interface screen: tactile candy-tinted cards floating in an ink-black digital cold storage.
LAYOUT
The page structure is anchored by a persistent 220px dark navigation sidebar pinned to the left edge, with the main viewport scrolling as a sequential narrative. The hero features an asymmetrical layout with typographic messaging on the left and a floating tilted device preview on the right. Below the fold, alternating feature blocks employ a strict 40/60 two-column cadence: left-aligned descriptive copy paired directly with right-aligned card grids or horizontal sequence chains.
PALETTE (use these exact hex values)
- #000000 — Obsidian Ground: Deepest canvas background for the entire main viewport and page framing
- #090A0E — Sidebar Charcoal: Vertical navigation rail surface providing subtle boundary from the black content canvas
- #13151C — Card Trench Dark: Background for secondary metadata widgets, timeline connectors, and stat badges
- #2563EB — Electric Royal Blue: Primary call-to-action buttons, hero text emphasis, and interactive link states
- #BDE5C8 — Produce Mint: Background card surface for leafy greens and fresh vegetable categories
- #FDE187 — Citrus Cream: Background card surface for fruits, cheeses, and carbohydrates
- #FFB1A4 — Ripe Peach: Background card surface for tomatoes, soft fruits, and expiring produce
- #FDB980 — Carrot Amber: Background card surface for root vegetables and pantry staples
- #B8CAEC — Dairy Lavender: Background card surface for milk, dairy, and cold fluids
- #FFFFFF — Signal White: Primary headings, active states, and maximum-contrast display typography
TYPOGRAPHY
Typeface Inter (or SF Pro Display, Plus Jakarta Sans, General Sans), weights 400/500/600/700. Sizes 12px caption, 14px body-sm, 16px body, 20px subheading, 28px heading, 36px heading-lg, 60px display. Tracking -0.03em at display, -0.01em at body. The typography relies on Inter or an equivalent modern geometric grotesque, projecting precision, efficiency, and quiet utility. Tight letter-tracking at large sizes gives the 60px display headers an authoritative, modern software tone. Using standard system grotesques or open-source alternatives like Plus Jakarta Sans easily preserves the Scandinavian utility of the design.
GEOMETRY & SPACING
Corner radii — cards 20px, links 4px, inputs 10px, buttons 10px. Spacing on a 8px unit, 20px gaps, 96px between sections, 1200px container, comfortable density.
DEPTH
Elevation is achieved through luminous chromatic contrast rather than drop shadows. Surface layers stack from pitch-black (#000000) base to slightly lifted sidebar (#090A0E) and dark card tranches (#13151C) delineated by 1px borders (#1F222E). A single diffuse indigo-violet radial glow behind the hero device provides the only ambient atmospheric depth on the page.
IMAGERY
Imagery consists of hyper-clean, slightly stylized 3D rendered food elements (leafy lettuce, pineapple, tomato, carrot, egg, cheese, matcha bowl) positioned inside card surfaces. These are isolated assets with transparent grounds, soft natural shading, and no harsh outlines. Photographic stock imagery or flat corporate vector doodles would completely violate this aesthetic.
SIGNATURE DETAIL — the thing that makes this design itself
The design's signature element is the tactile pastel tile system—specifically, 20px rounded rectangular cards in soft edible hues (#BDE5C8, #FDE187, #FFB1A4) embedded with 3D grocery assets and dark top-corner circular count pills, floating directly on an ink-black canvas. It transforms utilitarian pantry management into a candy-store catalog. Misuse occurs when adding inner shadows, gradient fills, or placing them on white backgrounds, which destroys their jewel-like pop.
MUST
- Retain the pure #000000 canvas ground to ensure pastel food cards appear luminous without looking childish.
- Enforce a 20px border radius across all inventory item tiles and milestone cards.
- Use saturated royal blue (#2563EB) strictly for action-oriented text and primary buttons.
- Keep circular item quantity badges dark with low-opacity fills on pastel surfaces.
AVOID
- Do not introduce gradients or shadows directly onto the pastel food tiles; keep fills flat and solid.
- Do not use white backgrounds for cards or sidebars; lightness belongs exclusively to food swatches.
- Never replace the dark circular quantity chip with a square badge or borderless number.
- Avoid warm tinted grays; all secondary text must lean toward neutral slate (#8C93A3).
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 
