/* Palette and panel system from the supplied TRACE research poster. */
:root {
  --purple: #493158;
  --ink: #293646;
  --muted: #606e7d;
  --blue: #008e98;
  --navy: #493158;
  --cyan: #239aa0;
  --coral: #f58a83;
  --orange: #ffd09e;
  --orange-ink: #a96020;
  --teal: #63c7c9;
  --green: #c8e89c;
  --green-ink: #477f38;
  --line: #d8e3e4;
  --surface: #f7fbfa;
  --display: Calibri, 'Carlito', 'Segoe UI', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
  --body: Calibri, 'Carlito', 'Segoe UI', 'Noto Sans CJK SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--body); font-size: 1.125rem; line-height: 1.75; }
a { color: var(--blue); text-underline-offset: 4px; }
button, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--purple); outline-offset: 4px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); line-height: 1.25; letter-spacing: -.025em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.55rem); font-weight: 700; margin-bottom: 18px; }
h3 { font-size: 1.35rem; font-weight: 700; }
p { margin-bottom: 1.1rem; }
.container { max-width: 1240px; width: calc(100% - 80px); margin-inline: auto; }
.section { padding-block: 42px; }
.eyebrow { font-size: .86rem; letter-spacing: .04em; font-weight: 700; color: var(--blue); margin-bottom: 14px; }
.site-header { min-height: 76px; padding: 16px max(40px, calc((100vw - 1240px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid #ece5ef; background: #fff; color: var(--purple); }
.wordmark { font-size: 1.8rem; font-weight: 800; letter-spacing: -.025em; text-decoration: none; color: var(--purple); }
.mark { color: var(--teal); font-size: 1.9rem; margin-left: .4rem; }
nav { display: flex; gap: 21px; align-items: center; }
nav a { color: var(--ink); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--blue); }
.nav-code { border: 1px solid #c9b9d1; padding: 7px 17px; border-radius: 8px; color: var(--purple); }
.language-switch { display: flex; gap: 2px; border: 1px solid #c9b9d1; border-radius: 8px; padding: 3px; }
.language-switch button { border: 0; border-radius: 5px; background: transparent; color: var(--purple); padding: 5px 9px; font-size: .85rem; line-height: 1.5; }
.language-switch button[aria-pressed=true] { background: #f0e7f4; color: var(--purple); font-weight: 700; }
.hero { max-width: 1240px; width: calc(100% - 80px); margin: 0 auto; padding: 26px 0 36px; display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 32px 54px; }
.poster-brand-strip { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-bottom: 20px; border-bottom: 2px solid #f6f1f7; }
.academic-logos { display: flex; align-items: center; gap: 14px; }
.academic-logos img { width: 58px; height: 74px; object-fit: contain; }
.academic-logos img + img { width: 100px; height: 74px; }
.lenovo-logo { width: 132px; height: auto; }
.poster-reference { text-align: center; text-decoration: none; color: var(--muted); font-size: .9rem; }
.poster-reference:hover { color: var(--purple); }
.hero-inner { min-width: 0; }
.hero .eyebrow { color: var(--purple); border: 1px solid #d6c7de; background: #f6f1f7; border-radius: 99px; display: inline-block; padding: 6px 15px; margin-bottom: 20px; }
h1 { font-size: clamp(2.7rem, 4.6vw, 4.25rem); color: var(--purple); font-weight: 700; margin-bottom: 18px; line-height: 1.14; }
h1 span { color: var(--purple); }
.hero h1:lang(zh-CN) { font-size: clamp(2.5rem, 4.5vw, 3.9rem); line-height: 1.28; letter-spacing: -.035em; }
.full-title { color: var(--purple); font-size: 1.3rem; font-weight: 700; line-height: 1.45; max-width: 880px; }
.hero-description { max-width: 780px; color: var(--muted); font-size: 1.125rem; line-height: 1.8; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 25px 0; }
.button { display: inline-block; text-decoration: none; padding: 11px 22px; border-radius: 9px; font-weight: 700; font-size: .98rem; }
.primary { background: var(--purple); color: #fff; border: 1px solid var(--purple); }
.primary:hover { background: #604371; }
.secondary { border: 1px solid var(--teal); background: #edf8f7; color: #137a80; }
.secondary:hover { background: #ddf0ef; }
.text-link { color: var(--purple); margin-left: 6px; }
.authors { color: var(--ink); background: #f6f1f7; border-radius: 8px; padding: 14px 18px; font-size: 1.125rem; line-height: 1.8; margin-bottom: 10px; }
.author-name { white-space: nowrap; }
.affiliations { font-size: 1rem; line-height: 1.7; color: var(--muted); margin-bottom: 0; }
.hero-spec { align-self: center; display: flex; flex-direction: column; align-items: center; text-align: center; font-size: .78rem; color: #7a4f49; border: 1px solid var(--coral); border-radius: 24px; padding: 22px 18px; background: #fffaf8; }
.hero-rabbit { width: 175px; height: auto; margin: 0 0 16px; transform: scaleX(-1); }
.hero-spec .eyebrow { color: #b3544e; background: none; border: none; border-radius: 0; padding: 0; margin-bottom: 14px; }
.hero-spec .motivation-note { font-size: .85rem; line-height: 1.55; color: #7a4f49; margin-bottom: 16px; }
.hero-spec code { color: var(--ink); font-size: .84rem; margin: 5px 0; }
.spec-line { height: 22px; border-left: 2px solid var(--coral); margin: 7px 0; }
.hero-spec small { max-width: 205px; margin-top: 10px; font-size: .76rem; }
.metrics-wrap { display: grid; grid-template-columns: .65fr .65fr 1.35fr 1.35fr; max-width: 1240px; width: calc(100% - 80px); margin: 0 auto; border: 1px solid var(--teal); border-radius: 14px; overflow: hidden; background: #f3fbfa; }
.metric { padding: 22px 26px; border-right: 1px solid #c9e4e3; display: flex; flex-direction: column; }
.metric:last-child { border: 0; }
.metric strong { color: #147f86; font-weight: 700; font-size: 2.65rem; letter-spacing: -.04em; line-height: 1.3; white-space: nowrap; }
.metric strong span { font-size: 1.15rem; }
.metric > span { color: var(--muted); font-size: .85rem; }
.metric-note { font-size: .78rem; color: var(--muted); padding-top: 12px; margin-bottom: 28px; }
/* Tall, numbered pastel rails match the poster's section labels. */
.poster-panel { --panel-color: var(--orange); --panel-ink: var(--orange-ink); --panel-tint: #fffaf2; position: relative; max-width: 1170px; width: calc(100% - 170px); margin: 32px auto; transform: translateX(28px); padding: 36px 38px; border: 1px solid var(--panel-color); border-radius: 21px; background: #fff; }
.poster-rail { position: absolute; top: -1px; bottom: -1px; left: -66px; width: 48px; border-radius: 16px; background: var(--panel-color); color: var(--panel-ink); display: flex; align-items: center; flex-direction: column; gap: 26px; padding: 15px 0; }
.rail-number { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--panel-ink); color: #fff; font-size: 1.1rem; font-weight: 700; }
.rail-label { writing-mode: vertical-rl; font-size: 1.08rem; letter-spacing: .08em; font-weight: 700; position: sticky; top: 24px; }
.rail-label:lang(en) { writing-mode: vertical-rl; transform: rotate(180deg); }
.poster-panel > .eyebrow, .poster-panel .section-heading > .eyebrow { color: var(--panel-ink); }
.results-panel { --panel-color: var(--teal); --panel-ink: #17858c; --panel-tint: #f2fbfa; }
.motivation-panel { --panel-color: var(--coral); --panel-ink: #b9544e; --panel-tint: #fff8f6; }
.analysis-panel { --panel-color: var(--green); --panel-ink: var(--green-ink); --panel-tint: #f6faef; }
.resources-panel { --panel-color: #dac9e4; --panel-ink: var(--purple); --panel-tint: #f6f1f7; }
.section-heading { display: grid; grid-template-columns: 1.1fr 1fr; column-gap: 44px; align-items: end; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading > p:last-child { color: var(--muted); margin-bottom: 18px; font-size: 1.25rem; line-height: 1.8; }
.motivation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 26px; }
.motivation-grid article { min-width: 0; padding: 24px; border: 1px solid #f3cdc8; border-radius: 14px; background: #fffaf8; }
.motivation-grid h3 { color: #9c4943; font-size: 1.45rem; }
.motivation-grid article > p { font-size: 1.125rem; color: var(--muted); min-height: 3.5em; }
.motivation-art { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 250px; }
.motivation-art img { width: 40%; max-width: 185px; height: 225px; object-fit: contain; }
.motivation-arrow { color: #e4827a; font-size: 2.8rem; font-weight: 700; }
.whole-image-art svg { width: 100%; height: auto; max-height: 250px; display: block; }
.motivation-takeaway { font-size: 1.2rem; line-height: 1.8; color: #8e4640; font-weight: 700; padding: 15px 20px; margin: 24px 0 0; background: #fff0ec; border-radius: 9px; }
.results-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 30px; margin-top: 22px; }
.results-grid article { min-width: 0; }
.results-grid h3 { font-size: 1.5rem; }
.results-grid .results-toolbar { flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 0; }
.results-grid .results-toolbar label { display: flex; align-items: center; max-width: 100%; }
.qa-results { border-left: 1px solid #c8e5e3; padding-left: 28px; }
.qa-results .eyebrow { color: #17858c; }
.qa-callout { margin-top: 26px; padding: 20px; border: 1px solid #b7dbcd; border-radius: 12px; background: #eff9f3; }
.qa-callout strong { color: #17858c; display: block; font-size: 2.4rem; letter-spacing: -.03em; }
.qa-callout span { font-size: .98rem; color: var(--muted); }
.analysis-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; margin-top: 26px; }
.analysis-question { min-width: 0; border-top: 2px solid #c2ddad; padding-top: 24px; }
.analysis-question > .eyebrow { color: var(--green-ink); }
.analysis-question h3 { font-size: clamp(1.6rem, 2.3vw, 2rem); line-height: 1.4; }
.analysis-question > p:not(.eyebrow):not(.source-note) { font-size: 1.125rem; line-height: 1.8; }
.analysis-question > .analysis-answer { color: var(--green-ink); font-weight: 700; margin-bottom: 14px; }
.generalization-table th, .generalization-table td { padding: 10px 9px; font-size: .88rem; }
.generalization-table thead th { background: #e8f2db; font-size: .8rem; }
.generalization-table tbody tr:nth-child(even) { background: #fafcf7; }
.analysis-question .k-controls { margin-block: 22px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; margin-top: 24px; }
.steps article { padding: 20px; border-radius: 12px; background: #fff8ee; border: 1px solid #ffe4c3; }
.steps h3 { color: var(--orange-ink); margin-bottom: 12px; font-size: 1.2rem; }
.steps p { color: var(--ink); font-size: 1.05rem; margin-bottom: 0; }
.step-number { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: #edaa5b; color: #fff; font-weight: 700; margin: 12px 0; }
.step-rabbit { float: right; width: 64px; height: 74px; object-fit: contain; margin: 0 0 10px 8px; }
.overview { margin: 30px 0; padding: 18px; border: 1px solid #c7dfe4; border-radius: 15px; }
.overview img { width: 100%; height: auto; display: block; }
.overview figcaption { font-size: .8rem; color: var(--muted); margin-top: 14px; }
.demo-panel { display: grid; grid-template-columns: .8fr 1.2fr; border: 1px solid #d5e6e4; border-radius: 14px; overflow: hidden; }
.demo-copy { padding: 28px; background: #f1f8f7; }
.demo-copy h3 { font-size: 1.85rem; }
.demo-copy p { color: var(--muted); }
.demo-copy .eyebrow { color: var(--blue); font-size: .8rem; }
.edge-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 22px; }
.edge-controls button { border: 1px solid #b5d8d7; background: #fff; color: var(--ink); border-radius: 7px; padding: 8px; font-size: .85rem; }
.edge-controls button[aria-pressed=true] { background: #239aa0; border-color: #239aa0; color: #fff; }
.demo-note { font-size: .78rem; margin-top: 18px; margin-bottom: 0; }
.demo-visual { padding: 20px; min-width: 0; }
.demo-visual svg { width: 100%; height: auto; display: block; }
.flow-nodes { fill: #fff; stroke: #8caeb3; stroke-width: 1.5; }
.flow-labels { font-family: var(--body); font-size: 16px; fill: var(--ink); }
.flow-labels .edge-label { font-size: 14px; fill: var(--muted); }
#arrow-highlight { stroke: #2463eb; transition: x .2s, y .2s; }
.bpmn-demo { grid-template-columns: .75fr 1.25fr; }
.bpmn-canvas { overflow-x: auto; border: 1px solid #d5e6e4; border-radius: 9px; background: #fff; }
.bpmn-canvas svg { min-width: 620px; }
.bpmn-pool { stroke: #8da6ad; stroke-width: 1.3; }
.bpmn-sales-lane { fill: #faf7fc; stroke: none; }
.bpmn-fulfillment-lane { fill: #f1faf8; stroke: none; }
.bpmn-lane-labels { font: 17px var(--body); fill: var(--muted); }
.bpmn-nodes { stroke: #506a74; stroke-width: 1.8; }
.bpmn-end-event { stroke-width: 3.8; }
.bpmn-gateway-marker { fill: none; stroke-width: 2.5; }
.bpmn-labels { font-size: 17px; }
.bpmn-labels .edge-label { font-size: 16px; }
.bpmn-sequence-flow.is-selected { stroke: #2463eb; stroke-width: 3; }
.bpmn-edge-hit { cursor: pointer; }
.bpmn-edge-hit:focus-visible { outline: none; stroke: #49315833; }
.bpmn-legend { display: flex; align-items: center; gap: 9px; margin: 12px 0 5px; color: var(--muted); font-size: .74rem; line-height: 1.5; }
.bpmn-legend > span:last-child { min-width: 0; }
.legend-event { width: 14px; height: 14px; border: 2px solid #506a74; border-radius: 50%; flex-shrink: 0; }
.legend-task { width: 19px; height: 13px; border: 1.5px solid #506a74; border-radius: 4px; flex-shrink: 0; }
.legend-gateway { width: 14px; height: 14px; border: 1.5px solid #506a74; transform: rotate(45deg); font-size: 12px; line-height: 11px; text-align: center; flex-shrink: 0; }
.bpmn-scroll-note { font-size: .74rem; color: var(--muted); margin-bottom: 12px; }
.demo-download { display: inline-block; font-size: .82rem; margin-top: 14px; }
.containment-output { border: 1px solid #dfd3e6; border-radius: 9px; background: #f6f1f7; padding: 13px 16px; margin-top: 10px; }
.containment-output > span { display: block; color: var(--purple); font-size: .76rem; font-weight: 700; margin-bottom: 7px; }
.containment-output code { display: block; font-size: .83rem; color: var(--purple); line-height: 1.8; overflow-wrap: anywhere; }
.triplet-output { padding: 16px; background: #ddf0ef; color: var(--ink); border: 1px solid #acd3d4; border-radius: 9px; }
.triplet-output > span { display: block; color: #4a7476; font-size: .76rem; font-weight: 700; }
.triplet-output code { font-size: .9rem; color: #086c75; display: block; margin-top: 7px; overflow-wrap: anywhere; }
.section-rabbit { position: absolute; width: 86px; height: 84px; object-fit: contain; top: 24px; right: 28px; }
.results-panel .section-heading { padding-right: 80px; }
.results-toolbar { display: flex; justify-content: space-between; align-items: center; margin: 25px 0 15px; gap: 20px; }
.results-toolbar h3 { margin: 0; font-size: 1.35rem; color: #137a80; }
.results-toolbar label { font-size: .85rem; color: var(--muted); }
select { margin-left: 10px; padding: 8px 30px 8px 12px; background: #fff; border: 1px solid #b5d8d7; border-radius: 7px; color: var(--ink); max-width: 100%; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; text-align: left; }
th, td { padding: 12px 15px; border-bottom: 1px solid #d5e5e3; font-size: .95rem; }
thead th { font-size: .83rem; font-weight: 700; color: var(--ink); background: #ddf0ef; white-space: nowrap; }
tbody th { font-weight: 500; }
tbody tr:nth-child(even) { background: #f6fbfa; }
td:not(:first-child), thead th:not(:first-child) { text-align: right; }
.trace-score { font-weight: 700; color: #008e98; }
.gain-positive { color: #477f38; }
.gain-negative { color: #a14d46; }
.source-note { color: var(--muted); font-size: .86rem; line-height: 1.7; margin-top: 14px; }
.evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; margin-top: 35px; }
.evidence-grid article { min-width: 0; border-top: 2px solid #a7d7d5; padding-top: 24px; }
.evidence-grid h3 { font-size: 1.85rem; }
.evidence-grid article > p:not(.eyebrow) { color: var(--muted); }
.accent { color: var(--blue); }
.mini-comparison { margin-top: 24px; }
.mini-comparison > span { font-size: .85rem; color: var(--muted); }
.mini-comparison > div { display: flex; align-items: center; gap: 12px; margin-top: 12px; font-size: .85rem; }
.mini-comparison > div > span { width: 52px; }
.mini-comparison strong { font-weight: 700; font-variant-numeric: tabular-nums; }
.mini-comparison meter { flex: 1; height: 15px; }
meter::-webkit-meter-bar { background: #edf3f2; border: none; border-radius: 3px; }
meter::-webkit-meter-optimum-value { background: #ebc194; }
meter.trace-meter::-webkit-meter-optimum-value { background: #239aa0; }
meter::-moz-meter-bar { background: #ebc194; }
meter.trace-meter::-moz-meter-bar { background: #239aa0; }
.qa-table th, .qa-table td { padding: 10px 8px; font-size: .9rem; }
.qa-table .trace-row { background: #e8f6f0; color: var(--ink); font-weight: 700; }
.efficiency { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.efficiency > div:not(.poster-rail) { min-width: 0; }
.efficiency > div > p:not(.eyebrow) { color: var(--muted); }
.k-controls { display: flex; gap: 10px; margin-top: 24px; }
.k-controls button { padding: 9px 20px; border: 1px solid #b9d2a9; background: #fff; color: var(--green-ink); border-radius: 7px; }
.k-controls button[aria-pressed=true] { color: #fff; background: #529657; border-color: #529657; }
.latency-card { position: relative; min-width: 0; padding: 28px; background: #f5faee; color: var(--ink); border: 1px solid #cce2b8; border-radius: 15px; }
.analysis-rabbit { position: absolute; top: 14px; right: 18px; width: 66px; height: 78px; object-fit: contain; }
.latency-card > span { display: block; max-width: calc(100% - 65px); color: var(--green-ink); font-size: .88rem; }
.latency-value { display: flex; align-items: baseline; gap: 14px; margin: 20px 0; }
.latency-value strong { font-size: 4.4rem; font-weight: 700; letter-spacing: -.05em; color: var(--green-ink); line-height: 1; }
.latency-value > span { color: var(--muted); font-size: .9rem; }
.latency-track { height: 9px; background: #e0ebd6; overflow: hidden; border-radius: 8px; margin-bottom: 25px; }
.latency-track > span { display: block; background: #529657; height: 100%; transition: width .3s; }
.latency-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.latency-stats strong { display: block; font-size: 1.7rem; font-weight: 700; color: var(--green-ink); }
.latency-stats span { font-size: .75rem; color: var(--muted); display: block; }
.latency-card .source-note { margin-bottom: 0; margin-top: 23px; }
.resource-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 28px 0 32px; }
.resource-grid > .resource-card { padding: 22px 18px; border: 1px solid #d9cce0; background: #fcfafd; text-decoration: none; border-radius: 12px; display: flex; flex-direction: column; transition: border-color .2s; }
.resource-grid > .resource-card:hover { border-color: var(--purple); }
.resource-grid > .resource-card > span { font-size: .85rem; font-weight: 700; color: #917a9c; margin-bottom: 15px; }
/* Keep browser-injected DOI/Sci-Hub links out of the four-card resource grid. */
.resource-grid > :not(.resource-card), .resource-grid a:not(.resource-card) { display: none !important; }
.resource-grid h3 { color: var(--purple); font-size: 1.4rem; }
.resource-grid p { color: var(--muted); font-size: .9rem; flex: 1; }
.resource-grid strong { font-size: .85rem; font-weight: 700; color: var(--purple); }
.citation { background: #f6f1f7; border: 1px solid #e2d8e8; border-radius: 12px; padding: 24px; }
.citation-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.citation-heading h3 { color: var(--purple); margin-bottom: 0; }
.citation button { border: 1px solid #c9b9d1; background: #fff; padding: 7px 14px; border-radius: 7px; font-size: .8rem; color: var(--purple); }
.citation pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .83rem; line-height: 1.65; }
.citation .source-note { margin-bottom: 0; }
#copy-status { font-size: .82rem; color: var(--blue); display: block; }
.poster-qr { display: flex; align-items: center; justify-content: center; gap: 30px; padding: 20px 0 36px; }
.poster-qr > div { max-width: 620px; min-width: 0; }
.poster-qr .eyebrow { color: var(--purple); font-size: 1.25rem; margin-bottom: 5px; }
.poster-qr .source-note { margin-bottom: 0; }
.qr-rabbit { width: 95px; height: 104px; object-fit: contain; }
.qr-image { width: 116px; height: 116px; display: block; }
footer { display: flex; gap: 28px; justify-content: space-between; align-items: center; border-top: 1px solid #e7dfec; padding-block: 26px; }
footer p { font-size: .8rem; color: var(--muted); margin: 0; }
.skip-link { position: absolute; left: 12px; top: -100px; background: #fff; z-index: 20; padding: 10px; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 1100px) {
  .hero { grid-template-columns: minmax(0, 1fr) 210px; gap: 28px; }
  .hero-rabbit { width: 140px; }
  .poster-panel { padding: 28px; }
  .section-heading { column-gap: 26px; }
  .results-grid, .analysis-grid, .motivation-grid { gap: 22px; }
  .qa-results { padding-left: 20px; }
  .resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { gap: 14px; }
  .steps article { padding: 16px; }
  .evidence-grid { gap: 20px; }
  .efficiency { gap: 26px; }
}
@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; }
  .hero-spec { display: none; }
  .poster-reference { font-size: .8rem; }
  .section-heading { display: block; }
  .motivation-grid, .results-grid, .analysis-grid { grid-template-columns: 1fr; }
  .qa-results { border-left: 0; padding-left: 0; border-top: 1px solid #c8e5e3; padding-top: 26px; }
  .steps { grid-template-columns: 1fr; }
  .step-rabbit { width: 70px; height: 80px; }
  .demo-panel, .bpmn-demo, .evidence-grid, .efficiency { grid-template-columns: 1fr; }
  .results-panel .section-heading { padding-right: 0; }
  .results-panel .section-heading > .eyebrow { padding-right: 70px; min-height: 35px; }
  .section-rabbit { width: 66px; height: 66px; top: 17px; right: 18px; }
  .metrics-wrap { grid-template-columns: repeat(2, 1fr); }
  .metric { border-bottom: 1px solid #c9e4e3; }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(3), .metric:nth-child(4) { border-bottom: 0; }
}
@media (max-width: 600px) {
  body { font-size: 1.0625rem; }
  .site-header { min-height: 66px; padding: 12px 16px; gap: 12px; }
  .wordmark { font-size: 1.4rem; }
  .mark { font-size: 1.5rem; margin-left: .2rem; }
  nav { gap: 9px; }
  nav a { font-size: .8rem; }
  nav .nav-motivation, nav .nav-method, nav .nav-resources { display: none; }
  .nav-code { padding: 5px 9px; }
  .language-switch button { padding: 4px 6px; font-size: .78rem; }
  .container, .hero, .metrics-wrap { width: calc(100% - 32px); }
  .hero { padding: 20px 0 26px; gap: 24px; }
  .poster-brand-strip { gap: 15px; padding-bottom: 16px; }
  .academic-logos { gap: 6px; }
  .academic-logos img { width: 40px; height: 50px; }
  .academic-logos img + img { width: 66px; height: 50px; }
  .lenovo-logo { width: 93px; }
  .poster-reference { display: none; }
  .hero .eyebrow { font-size: .78rem; padding: 6px 11px; }
  h1, .hero h1:lang(zh-CN) { font-size: clamp(2.1rem, 8.5vw, 3rem); }
  .full-title { font-size: 1.1rem; }
  .hero-description { font-size: 1.0625rem; }
  .button { padding: 10px 16px; font-size: .9rem; }
  .authors { font-size: 1rem; padding: 12px 14px; }
  .affiliations { font-size: .875rem; }
  .metric { padding: 18px 15px; }
  .metric strong { font-size: 2.1rem; }
  .metric strong span { font-size: .95rem; }
  .metric > span { font-size: .75rem; }
  .metric-note { font-size: .74rem; }
  .poster-panel { width: calc(100% - 32px); transform: none; padding: 76px 18px 22px; border-radius: 16px; margin-block: 24px; }
  .poster-rail { top: 0; bottom: auto; left: 0; right: 0; width: 100%; height: 52px; border-radius: 15px 15px 0 0; padding: 10px 14px; flex-direction: row; gap: 12px; }
  .rail-number { width: 29px; height: 29px; font-size: 1rem; }
  .rail-label, .rail-label:lang(en) { writing-mode: horizontal-tb; transform: none; position: static; font-size: .95rem; letter-spacing: .02em; }
  h2 { font-size: 1.75rem; }
  .section-heading > p:last-child { font-size: 1.125rem; line-height: 1.85; }
  .motivation-grid article { padding: 18px; }
  .motivation-grid article > p { min-height: 0; font-size: 1.0625rem; }
  .motivation-art { gap: 8px; min-height: 185px; }
  .motivation-art img { height: 170px; }
  .motivation-arrow { font-size: 2rem; }
  .whole-image-art svg { max-height: 185px; }
  .motivation-takeaway { font-size: 1.125rem; padding: 14px; }
  .analysis-question > p:not(.eyebrow):not(.source-note) { font-size: 1.0625rem; }
  .analysis-question h3 { font-size: 1.65rem; }
  .eyebrow { font-size: .78rem; }
  .overview { padding: 10px; margin: 24px 0; }
  .overview figcaption { font-size: .74rem; }
  .demo-copy { padding: 20px; }
  .demo-copy h3 { font-size: 1.65rem; }
  .demo-visual { padding: 12px; }
  .section-rabbit { top: 63px; right: 18px; width: 57px; height: 60px; }
  .results-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .results-toolbar label { display: flex; align-items: center; width: 100%; }
  select { min-width: 0; flex: 1; font-size: .85rem; padding-left: 8px; margin-left: 8px; }
  th, td { padding: 11px 8px; font-size: .8rem; }
  thead th { font-size: .76rem; }
  .evidence-grid { margin-top: 25px; gap: 20px; }
  .evidence-grid h3 { font-size: 1.65rem; }
  .qa-table th, .qa-table td { padding: 10px 6px; font-size: .82rem; }
  .latency-card { padding: 22px; }
  .latency-value strong { font-size: 3.7rem; }
  .latency-stats strong { font-size: 1.4rem; }
  .latency-stats span { font-size: .71rem; }
  .k-controls button { padding: 9px 18px; }
  .resource-grid { grid-template-columns: 1fr; gap: 13px; margin-top: 22px; }
  .resource-grid > .resource-card { padding: 18px; }
  .resource-grid > .resource-card > span { margin-bottom: 7px; }
  .resource-grid h3 { margin-bottom: 10px; }
  .citation { padding: 17px; }
  .citation-heading h3 { font-size: 1.15rem; }
  .citation button { padding: 7px 10px; white-space: nowrap; }
  .citation pre { font-size: .72rem; }
  .poster-qr { gap: 15px; justify-content: space-between; padding-top: 5px; }
  .qr-rabbit { display: none; }
  .poster-qr .eyebrow { font-size: 1rem; }
  .poster-qr > div > a { font-size: .85rem; overflow-wrap: anywhere; }
  .poster-qr .source-note { font-size: .72rem; }
  .qr-image { width: 78px; height: 78px; }
  footer { align-items: flex-start; flex-direction: column; gap: 18px; }
}
@media (max-width: 360px) {
  nav .nav-analysis { display: none; }
  .poster-panel { padding-inline: 14px; }
  .metric { padding-inline: 12px; }
  .metric strong { font-size: 1.9rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { transition: none !important; }
}