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skills/open-kimi-ppt/reference/design_system/academic/deep-blue-atlas/design.md

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+# Deep Blue Atlas · academic STYLE DESIGN SYSTEM
+
+## PART A — academic Baseline (Universal Floor)
+
+Academic presentations benchmarked against top-tier research talks and thesis defenses (NeurIPS/CHI/SIGGRAPH main-track caliber): clarity of argument outranks decoration; the whole deck must read as one reproducible scientific claim, not marketing collateral. Academic register throughout — the disciplined vocabulary of research questions, hypotheses, evidence, significance, contributions, and limitations; no marketing or business-speak mixed in.
+
+Content and layout:
+1. Fixed argument skeleton: research question → gap in related work → data and method → main results → ablation/analysis → limitations → future work; short decks may compress, but the order may not be reversed.
+2. Evidence first: results tables must include baseline comparison columns with the best values marked, relative gains beside absolute numbers; core contributions presented as formally typeset equations; method pages carry reproducibility information (data scale, annotation protocol, key hyperparameters).
+3. Medium information density: one claim per page, evidence organized around that claim; pages are designed, not filled — whitespace is a legitimate device for separating stages of the argument.
+
+Visual style:
+1. Aesthetics: plain, precise, scholarly; no slogans, decorative photography, or icon clip art.
+2. Body text and labels in a clear sans-serif; titles may use serif when the source style does; equations formally typeset (KaTeX-grade), with proper numbering and italicized variables.
+3. One two-color system: a primary structural color + one accent, grays carrying hierarchy; negative/ablation signals use a single consistent warning color.
+4. Diagrams in thin, precise vector lines, tables in minimal horizontal rules; charts carry axis labels, units, and sample basis; never truncate the y-axis to exaggerate differences; correlation and causation are explicitly distinguished in the copy; no 3D, shadows, or gradients as decoration.
+
+Structure and discipline:
+1. Every body-page title must be a claim (a finding, not a section name), with supporting evidence following on the page; every quantitative conclusion is backed on-page by a chart, table, or citation — no orphan numbers.
+2. Figures must be self-contained: axis labels with units, in-figure annotation or legends, captions giving sample size and confidence basis.
+3. Ablation and limitations pages are mandatory; numbers must carry units, time ranges, datasets, and statistical basis; uncertainty is expressed as confidence intervals.
+4. The opening is a problem statement plus a one-sentence contribution; the close is numbered conclusions plus a list of open questions; citations sit as compact footnote lines at the page bottom — no full-page reference walls.
+
+Global prohibitions (mandatory): no default cards (containers serving information functions do not count as cards); no evenly split compositions unless justified by content structure; no unmotivated AI color schemes (blue-purple gradients, neon, glass cards, glowing borders); no elements that clash with the overall style; chart backgrounds transparent or the page background color; care with large empty areas — and no padding just to fill space.
+
+Density anchor: per-page minimums for evidence modules, charts, and labeling follow the density-baseline section in PART B; this baseline imposes no uniform numbers.
+
+## PART B — Signature System
+
+One-line style signature: a deep-blue linear-reasoning system on white — oversized conclusory titles deliver the judgment first, orthogonal segments and nodes organize the evidence, cyan singles out the one key piece of evidence, and trace orange-red handles thresholds and exceptions.
+
+【Color Palette】
+All hex values below are approximations pixel-sampled from the reference images (marked "approx."):
+- Page background #FFFFFF (approx.): a uniform pure-white canvas across the deck, white covering over 90% of the area, no dark pages.
+- Primary structural deep blue #203D74 (approx.): page titles, body emphasis, table headers, key figures, chart main lines, nodes, arrows, and decision-tree edges — the system's first visual anchor.
+- Secondary deep blue #2C477A (approx.): section subheads and secondary structural lines, carrying the deep blue's anti-aliased tiers.
+- Primary accent cyan #49B7D0 (approx.): subtitles, two-digit numerals, selected/active states, point estimates, event nodes, current step; never used as large-area fill, and it doubles as the entire "positive/valid" semantics (this style uses no green).
+- Neutral gray #7F899E (approx.): explanatory text, axis labels, auxiliary notes, and legend-style annotations.
+- Light blue-gray #B5C0D0 (approx.): page numbers, secondary notes, de-emphasized information, and fine reference lines.
+- Divider gray #D9DEE7 (approx.): table hairlines, row separators, inter-column boundaries.
+- Grid gray #E7ECF1 (approx.): horizontal chart gridlines, faintest structural lines.
+- Negative red #E94B3B (approx.): inapplicable/excluded states, ex-ante threshold lines, risk reference lines — trace amounts only.
+- Reminder orange #FD9F66 (approx.): exceptions and flagged figures needing attention without a negative verdict — even more trace than red.
+Color discipline: no multi-series rainbow palette; within a page, no more than the three hue families deep blue / cyan / gray; every colored element must be able to explain its information role.
+
+【Layout Skeleton】
+Source facts: 16:9 canvas (sample images ~1467×825 px). Outer margins ~5–7% left/right, 6–8% top; page titles left-aligned, occupying roughly the top quarter; body content begins at ~28–32% of page height. The reading path is a Z: title → main figure/table → sidebar explanation → bottom conclusion line. Columns are always asymmetric — ratios such as ~58:42, 37:63, 31:38:31, 72:28 chosen per page type — with zones separated only by whitespace and fine gray rules, never panels. A light-gray "current page / total pages" number is fixed at lower right, omitted on the cover; no header navigation bar, no fixed sidebar, no logo corner mark. The bands between title zone and main figure, the inter-column transitions, and the page edges are fixed whitespace.
+
+【Typography】
+Source facts: a modern sans-serif character throughout — even stroke widths, flat terminals, open letterforms, close to a modern gothic/humanist sans (render with {latin: QuattrocentoSans, ea: MiSans}); Latin and numerals equally clean sans (the JPGs cannot confirm exact family names). Taking body text as 1x: small notes/page numbers 0.65–0.8x; section subheads 1.25–1.5x, semi-bold; page titles 2.1–2.5x, regular-to-medium weight, authority built through size rather than extreme boldness; cover main title 3–3.5x, distinctly bold; result big numbers 2–2.8x, semi-bold to bold. Weight hierarchy: page titles regular/medium, section heads semi-bold, key conclusions and figures bold, explanatory text regular, auxiliary information demoted to gray. No serif, script, italic, or monospace code faces anywhere in the set.
+
+【Chart Language】
+Only types that actually appear in the samples:
+- ⭐ Single-series line chart: light-gray horizontal grid, no legend, node values labeled directly, one in-chart sentence of annotation.
+- ⭐ Three-line academic wide table: only two deep-blue rules, below the header and at the foot — no vertical lines, no outer frame, no zebra striping; key-difference cells switch to cyan, variable differences legible without a legend.
+- ⭐ Orthogonal decision tree: diamond decision nodes + right-angle polylines + small terminal arrows, branch labels placed along the lines; leaf nodes = deep-blue bold name + status word (red = inapplicable, cyan = applicable) + gray explanation.
+- ⭐ Segmented timeline: thick deep-blue main axis + short ticks; excluded phases switch to gray dashed lines with axis-break jogs; cyan dots mark key instants, vertical leader lines connect annotations.
+- ⭐ Confidence-interval plot (simplified forest plot): deep-blue interval lines + end caps + cyan point estimates + gray reference dashes + a red ex-ante threshold line.
+- Mini interval scale: fine line with ticks at both ends, baseline value in gray at left, criterion value in deep-blue bold at right, flanking metric rows and logic rows.
+- Horizontal process chain: cyan-numbered steps joined by thin arrows, with one looping bracket line allowed to express retrospective iteration.
+Shared discipline: labels placed directly, no legend dependence; one main figure per page — never pile up multiple independent charts.
+
+【Signature Components】
+- Conclusory display title: one complete long-form assertion per body page, left-aligned, occupying the top quarter; on the cover, a main title plus core proposition performs the same function.
+- Two-digit cyan numerals: 01/02-style navigation numbers, small but conspicuous, used for list items and process steps — the deck's wayfinding.
+- Cyan evidence points: one to three cyan focuses per page (point estimate, key node, selected path, current step) — the reader's sole landing spot, never a fill.
+- Lines as grammar: dividers, axes, leader lines, and table rules carry all structural expression — the style's most stable visual fingerprint.
+- Panel-free zones: multi-column areas are zoned by whitespace and fine gray rules alone — no rounded cards, no shadows, no fill blocks.
+- Short-tick anchor lists: resolution/threshold lists use short cyan vertical ticks as per-item anchors instead of bullets.
+- Bottom conclusion line: one full-width deep-blue bold line at the foot of body pages, sealing the page's argument.
+- Light lower-right page number: light gray "current page / total pages", omitted on the cover.
+- Restrained geometric nodes: diamond = decision, dot = status/estimate, short tick = list anchor, arrow = direction; no general-purpose icon library.
+
+【Prohibited】
+- No dark full-bleed backgrounds; deep blue is for text and lines, never page fills.
+- No photos, people images, product shots, screenshots, illustrations, or large image backgrounds.
+- No gradients, glows, shadows, glassmorphism, transparency layering, or 3D effects.
+- No rounded cards, card walls, colored panels, or heavy information boxes.
+- No colored icons, emoji, stickers, badge-style labels, or decorative graphic assets; no logos, brand corner marks, permanent sidebars, or header navigation bars.
+- No vertical table lines, heavy outer frames, or zebra row fills; tables use horizontal rules only.
+- No pies, donuts, default office-suite legends, or multi-color categorical charts.
+- No green for positive states; positive/valid semantics are carried entirely by cyan.
+- No free-curve connectors, radial mind maps, or dense network node graphs — the "atlas feel" comes from orthogonal-line relationship expression, not webs.
+- No long centered copy, slogan-style one-liner pages, or decorative giant background numerals; no serif, script, italic, or display faces.
+
+【Slide Types and Layouts】
+Cover | module opening | left ~2/3 information zone + right 1/3 whitespace | eyebrow + oversized main title + cyan subtitle + one line of meta info + fine divider + bolded core proposition + supplementary note | ~7 text blocks, no charts, no page number.
+Problem evidence page | phenomenon data + misreading teardown | ~58:42 two columns | 1 main figure + 3 numbered items + bottom conclusion band | direct-labeled line chart, cyan numerals | not suited to parallel multi-topic content.
+Logic hypothesis page | falsifiable hypothesis statements | narrow left column with large relational words + wide middle column of explanation + mini interval plot at right | 3 logic rows + 2 dividers | not suited to long formula derivations.
+Comparison table page | groups/approaches compared side by side | full-width three-line table (~88% of page width) + basis note below + key-points passage + conclusion line | high density relieved by generous row height.
+Decision-tree page | option selection converging | ~37:63, conclusion first in the left column + orthogonal decision tree at right | 2–3 decision nodes + 4 leaf nodes | wide gaps between branches to avoid line crossings.
+Timeline page | measurement windows / phase schedule | full-width single axis (~86% of page width) + annotations above and below the axis + 2-line bottom note | medium-low density, breathing room around the axis.
+Results decision page | metric comparison + point estimates + action branches | ~31:38:31 three columns + bottom three-column action zone | the deck's density ceiling, order maintained by three-column alignment.
+Convergence page | scaling resolutions | ~72:28 main zone + right resolution rail | process chain + loop line + threshold checklist + limitations note | does not end on a thank-you page.
+
+【Density Baseline】
+One core visual object per page: 1 main figure/table/framework — never pile up multiple independent charts. Body pages carry ~7–15 text and graphic blocks; line charts directly label 3–5 nodes; comparison tables 2–4 data rows × 4–6 columns with generous row height; decision trees 2–3 decision nodes and at most 4 leaves; timelines carry at most 8 time-point labels; results pages allow 2 sets of mini metrics + 1 interval plot + 3 columns of action branches. Numbered lists run 3–5 items per page, each a one-line bolded claim + one gray explanatory sentence. Whitespace concentrates between title and main figure, in asymmetric-column transitions, and at the page edges; the body area holds no large empty block, nor may anything be stuffed in to fill. At most 3 cyan focuses per page; red and orange combined remain trace.