/* Local system fonts; no requests to font or package CDNs. */
:root{--paper:#f8f8f2;--ink:#243c34;--muted:#68746c;--line:#dce1d7;--green:#28624c;--soft:#edf1e7;--fine:#4c8063;--coarse:#c4ac79;--network:#7588ac;--position:#877ba6;--white:#fff;--sans:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",Consolas,monospace}
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@media(max-width:1100px){.shell{padding-left:28px;padding-right:28px}.header{padding:0 28px}.brand-note,.edition{display:none}.hero{gap:35px}.hero-actions{gap:16px}.hero-stats strong{font-size:23px}.hero-stats{gap:10px}.explorer{grid-template-columns:250px minmax(0,1fr);gap:24px}.feature-node{padding:12px 9px}.feature-node>strong{font-size:14px}.node-index{font-size:8px}.node-foot{font-size:8px}.storage-layout{gap:40px;grid-template-columns:1fr 260px}.optimization-layout{gap:35px}.evidence-bottom{gap:40px}.layer-node{padding:7px}.layer-node small{font-size:8px}}
@media(max-width:800px){.header{height:68px}.header nav{gap:19px;font-size:12px}.brand{font-size:14px}.hero{grid-template-columns:1fr 1fr;gap:25px;padding-top:40px;padding-bottom:40px}h1{font-size:44px}.hero .eyebrow{font-size:8px;letter-spacing:.02em;margin-bottom:20px}.intro{font-size:13px}.hero-actions{flex-direction:column;align-items:flex-start;gap:12px;margin:23px 0}.hero-stats strong{font-size:19px}.hero-stats strong span{font-size:9px}.hero-stats small{font-size:8px}.scope-note{font-size:9px}.comparison-panel{padding:10px}.panel-top{font-size:9px}.control-row .small{display:none}.section{padding-top:60px;padding-bottom:60px}.section-heading h2{font-size:35px}.section-heading>p{font-size:12px}.explorer{grid-template-columns:1fr}.pixel-panel{position:static;display:grid;grid-template-columns:220px 1fr;column-gap:25px;align-items:start}.pixel-panel .panel-top{grid-column:1/-1}.pixel-stage{grid-column:1;grid-row:2/7}.coordinate-controls{margin-top:0}.preset-row{padding-top:7px}.pixel-result{margin:10px 0}.node-detail{min-height:190px}.feature-node{padding:15px}.node-index{font-size:10px}.node-foot{font-size:10px}.layer-node{padding:12px}.storage-layout{grid-template-columns:1fr 230px;gap:25px}.storage-total strong{font-size:34px}.storage-total>span{font-size:8px}.storage-legend{grid-template-columns:1fr;gap:3px}.storage-detail{min-height:130px}.optimization-layout{grid-template-columns:1fr;gap:30px}.optimization-story{display:grid;grid-template-columns:1fr}.training-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.training-steps li{flex-direction:column;gap:6px;border-bottom:0;padding-top:0}.training-steps p{font-size:11px}.training-steps strong{font-size:13px}.code-choices{gap:4px}.code-choices span{font-size:10px;padding:5px 8px}.history-panel{max-width:650px;width:100%;margin:auto}.crop-grid{gap:12px}.crop-grid figcaption{display:block}.crop-grid figcaption span{display:block;margin-top:4px;font-size:9px}.evidence-bottom{gap:30px}.chapter-strip .mono{display:none}}
@media(max-width:600px){html{scroll-padding-top:115px}.shell{padding-left:20px;padding-right:20px}.header{height:auto;min-height:92px;padding:12px 20px 6px;flex-wrap:wrap;gap:4px}.brand{font-size:14px}.header nav{width:100%;justify-content:space-between;gap:8px}.header nav a{padding:7px 0}.hero{grid-template-columns:1fr;gap:35px;padding-top:36px}.hero .eyebrow{font-size:8px;letter-spacing:.05em}h1{font-size:54px}.intro{font-size:14px}.hero-actions{flex-direction:row;align-items:center;gap:20px;margin:26px 0}.hero-stats strong{font-size:27px}.hero-stats strong span{font-size:10px}.hero-stats small{font-size:10px}.scope-note{font-size:10px}.comparison-panel{padding:12px}.control-row .small{display:block;font-size:10px}.section-heading{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:28px}.section-heading h2{font-size:35px}.section-heading>p br{display:none}.section-heading>p{font-size:12px}.pixel-panel{grid-template-columns:1fr 1fr;gap:10px 15px;padding:12px}.pixel-panel .panel-top{padding-bottom:0}.pixel-stage{grid-row:2/6;align-self:center}.coordinate-controls{gap:6px;flex-wrap:wrap}.coordinate-controls .button{width:100%;font-size:11px;padding:5px}.coordinate-controls input{font-size:16px;padding:4px;width:100%}.preset-row{padding:0 0 6px;gap:12px}.preset-row button{font-size:10px}.pixel-result{gap:7px;margin:0}.pixel-result>div{gap:6px;font-size:9px}.pixel-result strong{font-size:10px}.swatch{width:22px;height:22px}.pixel-panel>p{grid-column:1/-1;font-size:10px}.feature-branches{gap:6px}.feature-node{padding:11px 8px}.feature-node>strong{font-size:13px}.node-index{font-size:7px;letter-spacing:0}.node-size{font-size:8px}.feature-node canvas{height:40px;margin:10px 0}.node-foot{font-size:8px;display:block}.node-foot b{display:block;font-size:11px;margin-top:3px}.concat-node{padding:9px 10px;gap:8px}.concat-node .mono{display:none}.layer-chain{gap:3px;grid-template-columns:1fr 9px 1fr 9px 1fr 9px .65fr}.layer-node{padding:7px 5px}.layer-node>span{font-size:9px}.layer-node strong{display:block;font-size:13px}.layer-node small{display:block;font-size:8px;margin-top:4px}.rgb-node>span{width:28px;height:28px}.rgb-node small{font-size:8px}.network-top{gap:6px}.tag{font-size:8px}.network-top .mono{font-size:9px}.node-detail{min-height:0;margin-bottom:15px}.node-table{font-size:9px}.node-table td:last-child{font-size:8px;word-break:break-all}.node-table td{padding:6px 2px}.value-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.technical summary{font-size:11px}.technical summary span{display:none}.technical>div{padding:0 0 15px}.storage-layout{grid-template-columns:1fr;gap:20px}.storage-total strong{font-size:40px}.storage-total>span{font-size:9px}.storage-legend{grid-template-columns:1fr 1fr;gap:8px 18px}.storage-legend button,.storage-legend b{font-size:10px}.storage-detail{min-height:100px}.grid-view{max-width:340px;width:100%;margin:auto}.training-steps{grid-template-columns:1fr;gap:8px}.training-steps li{flex-direction:row;gap:15px;padding:10px 0;border-bottom:1px solid var(--line)}.training-steps strong{font-size:15px}.training-steps p{font-size:12px}.history-panel{padding:15px}.history-metric>strong{font-size:34px}.history-metric>span{font-size:10px}.history-panel .range-label{font-size:10px}.history-panel .range-label span{font-size:9px}.history-endpoints{font-size:8px}.detail-toolbar{gap:12px}.detail-toolbar .mono{font-size:10px}.crop-grid{gap:8px}.crop-grid figcaption strong{font-size:11px}.crop-grid figcaption span{font-size:8px;line-height:1.7}.evidence-bottom{grid-template-columns:1fr;gap:35px}.footer{flex-wrap:wrap;gap:14px}.footer>span{order:3;width:100%}.footer>a:last-child{margin-left:auto}.chapter-strip>div{font-size:11px;padding-top:14px;padding-bottom:14px}}
@media(max-width:360px){.shell{padding-left:16px;padding-right:16px}h1{font-size:47px}.hero-stats strong{font-size:23px}.hero-actions{gap:14px}.hero-actions .button{font-size:11px;padding:10px 12px}.hero-actions .text-link{font-size:10px}.node-index{font-size:6px}.feature-node>strong{font-size:12px}.storage-total strong{font-size:34px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.header{position:static}.hero,.explorer{display:block}.comparison-panel,.pixel-panel{max-width:420px;margin:25px auto;position:static}button,input,.hero-actions,.coordinate-controls{display:none}.section{padding:30px 0}.network-panel{break-inside:avoid}}

/* Both locales use the same assets and layout; keep language navigation visible. */
.hero-actions{flex-wrap:wrap}
.region-metrics table{margin-top:0}
.header-tools{display:flex;align-items:center;gap:22px;flex-shrink:0}
.language-switch{font-size:12px;color:var(--green);padding:8px 0;white-space:nowrap;border-bottom:1px solid var(--line)}
.language-switch:hover{border-color:var(--green)}
html[lang="en"] .network-top{flex-wrap:wrap}
html[lang="en"] h1{font-size:clamp(38px,4.1vw,60px);white-space:normal;line-height:1.15;letter-spacing:-.05em}
html[lang="en"] .serif-accent{font-family:Georgia,"Times New Roman",serif;font-style:italic}
html[lang="en"] .hero-copy{min-width:0}
html[lang="en"] .section-heading h2{letter-spacing:-.04em}
html[lang="en"] .node-foot{align-items:end}
html[lang="en"] .node-foot b{white-space:nowrap}
html[lang="en"] .feature-branches{align-items:stretch}
html[lang="en"] .feature-node{display:flex;flex-direction:column}
html[lang="en"] .feature-node .node-foot{margin-top:auto;width:100%}
html[lang="en"] .detail-heading h3{overflow-wrap:anywhere}
html[lang="en"] .detail-heading>span{white-space:nowrap}
html[lang="en"] .storage-legend button{flex-wrap:wrap}
@media(max-width:1100px){.header-tools{gap:12px}.header nav{gap:20px}}
@media(min-width:601px) and (max-width:800px){.header{gap:14px}.header nav{gap:12px;font-size:11px}.language-switch{font-size:11px}html[lang="en"] h1{font-size:38px}html[lang="en"] .hero-actions{align-items:flex-start}}
@media(max-width:600px){.header-tools{order:0;margin-left:auto}.header nav{order:1}html[lang="en"] h1{font-size:clamp(40px,10vw,54px)}html[lang="en"] .hero-actions{flex-wrap:wrap}html[lang="en"] .section-heading h2{font-size:34px}html[lang="en"] .node-size{font-size:8px;overflow-wrap:anywhere}html[lang="en"] .node-foot{font-size:9px}html[lang="en"] .layer-node>span{font-size:8px}html[lang="en"] .control-row{flex-wrap:wrap}html[lang="en"] .history-panel .panel-top{flex-wrap:wrap}html[lang="en"] .range-label{gap:12px;flex-wrap:wrap}html[lang="en"] .history-endpoints{gap:12px}html[lang="en"] .storage-total>span{max-width:125px}html[lang="en"] .grid-view .panel-top{flex-wrap:wrap}html[lang="en"] .node-detail p{overflow-wrap:anywhere}}

/* Four input branches: keep the new local grid legible at every width. */
.local-bg{background:#9baeb4}.local-color{color:#577c89}
.feature-branches{grid-template-columns:repeat(2,minmax(0,1fr))}
.merge-path{margin:0 25%}.merge-path>span:nth-child(2){left:33.333%;bottom:0}
.merge-path>span:nth-child(3){left:66.667%;right:auto}.merge-path>span:nth-child(4){right:0}
.merge-path:after{content:"";position:absolute;left:50%;top:100%;height:13px;border-left:1px solid #a8b5a7}
.storage-bar [data-storage="local"]{font-size:9px;overflow:hidden}
.storage-bar [data-storage="coarse"]{font-size:9px;overflow:hidden}