:root{color-scheme:light;--ink:#162231;--paper:#f7f9fc;--muted:#536477;--line:#cbd4df;--blue:#205dc5;--purple:#773dac;--teal:#086b69;--orange:#955009}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic',sans-serif}#atlas{max-width:1480px;margin:auto;padding:40px 38px 70px}#atlas a{color:var(--blue);text-underline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.7vw,64px);line-height:1.08;letter-spacing:-.045em;font-weight:600;margin-bottom:24px}h2{font-size:clamp(27px,3vw,39px);line-height:1.22;letter-spacing:-.025em;margin-bottom:16px}h3{font-size:23px;line-height:1.3;margin-bottom:14px}.intro{display:flex;justify-content:space-between;gap:38px;align-items:center;margin:24px 0 35px}.intro>div:first-child{max-width:770px}.deck{font-size:20px;max-width:700px;color:var(--muted);margin:0}.eyebrow{font-size:12px;font-weight:650;letter-spacing:.13em;color:var(--muted);margin-bottom:18px}.edition{display:flex;flex-direction:column;gap:12px;font-size:14px;min-width:230px}.edition a{font-weight:600}.section-nav{display:flex;gap:25px;flex-wrap:wrap;border-block:1px solid var(--line);padding:18px 0;margin-bottom:50px;font-size:14px}.section-nav a{text-decoration:none}section{scroll-margin-top:90px;margin-bottom:70px}.section-heading{max-width:880px;margin-bottom:28px}.section-heading p:last-child{color:var(--muted)}.explorer{display:grid;grid-template-columns:205px minmax(0,1fr) 265px;gap:24px;align-items:start}.family{font-size:14px}.family-row{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-bottom:7px}.family-row button{padding:10px 0;font-size:12px;min-width:0}.family-labels{display:grid;grid-template-columns:repeat(4,1fr);font-size:11px;text-align:center;margin:0 0 12px;gap:4px}.family .empty{display:grid;place-items:center;color:#8999ac;font-size:13px}.small,.caption{font-size:13px;line-height:1.65;color:var(--muted)}.caption{margin-top:20px;max-width:1100px}.arch-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:15px}.arch-bar h3{font-size:32px;margin:0;white-space:nowrap}.arch-bar label{font-size:12px;max-width:230px}.chip-diagram{background:#0c172a;border:1px solid #36485f;padding:19px;border-radius:14px;color:#eef4ff;box-shadow:0 15px 35px #11264718;display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;background-image:linear-gradient(#9bb5d508 1px,transparent 1px),linear-gradient(90deg,#9bb5d508 1px,transparent 1px);background-size:16px 16px}.chip-diagram button{background:#182740;color:#f0f5ff;border:1px solid #61708a;min-width:0;text-align:left;padding:13px 12px;border-radius:5px;box-shadow:none;transition:opacity .18s,border-color .18s}.chip-diagram button[aria-pressed=true]{border:2px solid #eef4ff;padding:12px 11px}.chip-diagram button.dim{opacity:.42}.chip-diagram .memory-block,.chip-diagram .fabric-block{grid-column:1/-1}.chip-diagram .memory-block{background:#173c40;border-color:#6ba9a0}.chip-diagram .fabric-block{background:#1e2c44;border-style:dashed;display:flex;justify-content:space-between;align-items:center;gap:10px}.block-heading{font-size:14px;font-weight:600;display:block;margin-bottom:9px}.block-sub{font-size:12px;display:block;color:#c0cfe2;margin-top:8px}.cores{display:flex;gap:4px;flex-wrap:wrap}.core{width:14px;height:14px;background:#71a7ee;border:1px solid #95c1fa;border-radius:2px;display:inline-block}.core.e{background:#476181;border-color:#7f98b5}.core.s{background:#f0b877;border-color:#ffdcad}.core.g{background:#9576d0;border-color:#c5a9ef;width:10px;height:10px}.core.g.ai{background:linear-gradient(135deg,#cba9ff 45%,#66d4c6 46%,#66d4c6 65%,#9576d0 66%)}.core.n{background:#65b8ad;border-color:#9bd8ce;width:10px;height:10px}.cluster{margin:10px 0}.cluster-label{font-size:12px;color:#b9c9dc;margin-bottom:5px}.memory-lines{display:flex;gap:3px;margin-top:10px}.memory-lines i{height:10px;flex:1;background:#579e94;border-radius:1px}.inspector{border-left:2px solid var(--line);padding-left:22px;margin-top:8px;font-size:15px}.inspector h3{margin-top:15px}.inspector .fact{border-top:1px solid var(--line);padding:9px 0;display:flex;justify-content:space-between;font-size:13px;gap:10px}.topology{margin:18px 0 8px}.die-row{display:flex;align-items:center;justify-content:center;gap:9px}.die{background:#e3eaf3;border:1px solid #889ab1;min-height:38px;flex:1;text-align:center;padding:5px;font-size:12px}.die-link{font-size:16px;color:var(--blue)}.topology-label{font-size:12px;text-align:center;margin:8px 0}.controls{display:flex;gap:15px;align-items:end;flex-wrap:wrap;margin-bottom:25px}label{display:block;font-size:14px;font-weight:500}select,input{font:inherit}select{display:block;max-width:100%;width:100%;background:white;border:1px solid #9baabd;color:var(--ink);padding:9px 30px 9px 10px;border-radius:5px;min-height:42px;margin-top:5px}button{font:inherit;cursor:pointer;border:1px solid #a6b4c6;background:#fff;color:var(--ink);border-radius:5px;padding:9px 14px;min-height:42px}button:hover{border-color:var(--blue)}button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:white}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #cf7800;outline-offset:4px}.comparison{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px}.metric h3{font-size:16px;margin-bottom:15px}.bar-row{display:grid;grid-template-columns:85px 1fr 75px;align-items:center;gap:10px;font-size:14px;margin:9px 0}.bar-track{height:20px;background:#e2e8f1;position:relative}.bar{height:100%;background:var(--blue);transition:width .35s}.bar.second{background:var(--purple)}.bar-number{text-align:right;font-variant-numeric:tabular-nums}.delta{font-size:13px;color:var(--muted);margin-top:12px}.reading{border-top:1px solid var(--line);padding:20px 0}.reading summary{cursor:pointer;font-size:18px;font-weight:550;margin-bottom:12px}.reading p{max-width:950px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);white-space:nowrap}th{font-weight:600;color:var(--muted)}.labs{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:35px}.lab{border:1px solid var(--line);padding:26px;border-radius:8px;background:white;min-width:0}.lab label{margin:18px 0}.lab p{color:var(--muted)}input[type=range]{width:100%;accent-color:var(--blue);display:block;min-height:30px}output{float:right;font-variant-numeric:tabular-nums}.result-number{font-size:38px;letter-spacing:-.04em;line-height:1.2;margin:18px 0 6px}.result-note{font-size:14px;color:var(--muted)}.capacity{display:flex;width:100%;height:27px;background:#e6ebf1;margin:17px 0;overflow:hidden}.weights{background:var(--blue)}.reserve{background:#a3b2c4}.capacity-over{border:2px solid #a44326}.lab .legend{font-size:13px;display:flex;gap:20px;margin-bottom:12px;flex-wrap:wrap}.legend span:before{content:'';display:inline-block;width:10px;height:10px;margin-right:6px;background:var(--blue)}.legend span+span:before{background:#a3b2c4}.amd-row{display:flex;align-items:center;gap:10px;font-size:13px;margin:9px 0}.amd-row span{width:42px;flex-shrink:0}.amd-row b{font-weight:500;min-width:46px}.amd-row .bar-track{flex:1;height:16px}.chapter{display:grid;grid-template-columns:150px minmax(0,850px);gap:40px;padding:30px 0;border-top:1px solid var(--line)}.chapter-no{font-size:50px;font-weight:500;letter-spacing:-.05em}.chapter-no small{display:block;font-size:13px;letter-spacing:0;color:var(--muted)}.try{border-left:3px solid var(--blue);padding:10px 18px;background:#eaf0f9;font-size:15px}.ref{font-size:13px;margin-right:8px}.downloads{display:flex;gap:20px;flex-wrap:wrap;margin:25px 0}.downloads a{padding:12px 20px;border:1px solid var(--line);border-radius:5px;text-decoration:none}.sources{display:grid;grid-template-columns:1fr 1fr;gap:12px 40px;padding-left:22px;font-size:14px}.sources span{font-size:12px;color:var(--muted)}@media(max-width:1150px){.explorer{grid-template-columns:190px minmax(0,1fr)}.inspector{grid-column:1/-1;display:block;border-left:0;border-top:1px solid var(--line);padding:20px 0}.inspector #chip-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}}@media(max-width:700px){#atlas{padding:20px 18px 40px}.intro{display:block;margin-top:20px}.edition{margin-top:25px}.section-nav{gap:12px 20px;margin-bottom:35px}.explorer{display:block}.family{margin-bottom:25px}.family-row{gap:8px}.family-row button{font-size:14px;min-height:44px}.family-labels{font-size:13px}.arch-bar{align-items:start;gap:10px}.arch-bar h3{font-size:27px}.arch-bar label{max-width:170px}.chip-diagram{padding:12px;gap:8px}.chip-diagram button{padding:11px 8px}.chip-diagram button[aria-pressed=true]{padding:10px 7px}.core{width:12px;height:12px}.core.g,.core.n{width:9px;height:9px}.block-heading{font-size:14px}.inspector #chip-facts{grid-template-columns:1fr 1fr;gap:12px}.comparison,.labs,.sources{grid-template-columns:1fr}.lab{padding:20px}.chapter{grid-template-columns:1fr;gap:12px}.chapter-no{font-size:37px}.chapter-no small{display:inline;margin-left:15px}.controls label{flex:1;min-width:130px}.bar-row{grid-template-columns:78px 1fr 69px;gap:8px}.section-heading{margin-bottom:22px}.section-nav a{min-height:30px}section{margin-bottom:48px}.die{font-size:11px}.die-link{font-size:13px}.block-sub,.cluster-label{font-size:12px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.capacity>div{flex-shrink:0}
#topology-lab{margin:30px 0}.topo-toolbar{display:flex;gap:20px;flex-wrap:wrap;align-items:end;margin-bottom:14px}.topo-toolbar label{min-width:150px;flex:1}.topo-toolbar label:last-of-type{max-width:220px}.topo-toolbar input{display:block;width:100%;min-height:36px;accent-color:var(--blue)}.topo-help{font-size:14px;color:var(--muted)}.topo-stage{overflow:auto;max-height:720px;border-radius:10px;background:#091322;border:1px solid #334a65;overscroll-behavior:contain}.topo-stage svg{display:block;margin:auto;font-family:-apple-system,BlinkMacSystemFont,'Hiragino Sans',sans-serif;max-width:none}.topo-node{cursor:pointer}.topo-node:hover>rect{stroke:#d4e5f5;stroke-width:3}.topo-node:focus{outline:none}.topo-node:focus>rect{stroke:#ffce7e;stroke-width:4}.topo-inspector{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;margin:28px 0 35px}.topo-evidence{border-left:1px solid var(--line);padding-left:25px;font-size:13px;color:var(--muted)}#topo-choices{display:flex;gap:7px;flex-wrap:wrap}#topo-choices button{font-size:12px;padding:6px 9px;min-height:35px}.topo-stepper{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:16px}.topo-stepper span{font-size:14px;color:var(--muted)}.topo-expanded{position:fixed;inset:10px;z-index:9999;background:var(--paper);overflow:auto;padding:24px;box-shadow:0 0 0 50px #0c172aca;border-radius:10px}.topo-expanded .topo-stage{max-height:70vh}.source-gallery{background:#eef2f7;padding:25px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.source-gallery figure{margin:0;min-width:0}.source-gallery img{width:100%;height:260px;object-fit:contain;background:white}.source-gallery figcaption{font-size:13px;margin-top:10px;color:var(--ink)}@media(max-width:700px){.topo-inspector{grid-template-columns:1fr;gap:20px}.topo-evidence{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.topo-stage{max-height:600px}.source-gallery{grid-template-columns:1fr;padding:15px}.topo-expanded{inset:3px;padding:13px}.topo-toolbar{gap:12px}.topo-toolbar label{min-width:130px}.topo-help{font-size:13px}}

.formula{font-size:16px;margin:18px 0;overflow-x:auto}.formula .katex{font-size:1.05em}
/* Die floorplan view (renderer shared with /m-series-floorplans/) */
.topo-die{--sil-edge:#2a2f37;--p:#F0A04B;--s:#FFD166;--e:#4FC2B8;--amx:#E7B98A;--gpu:#9D8BF0;--na:#F27BC0;--ane:#F07A7A;--slc:#6FA8E8;--mem:#C99A68;--fab:#7D8794;--media:#8DC266;--io:#9AA6B4;--sys:#BBAE8C;--link:#F4E27A;
  margin:0;padding:12px;background:radial-gradient(120% 90% at 40% 30%,#181b21 0,#0b0c0f 70%);color:#cfd4da;min-height:100%}
.topo-die figcaption{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font:600 13px ui-monospace,SFMono-Regular,Menlo,monospace;color:#e6e9ee;margin:0 2px 10px;letter-spacing:.03em}
.topo-die figcaption a{margin-left:auto;font:500 12.5px -apple-system,BlinkMacSystemFont,'Hiragino Sans',sans-serif;color:#9cc7ff;letter-spacing:0}
.topo-die .basis{font:500 11px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--b);border:1px solid color-mix(in srgb,var(--b) 55%,transparent);border-radius:999px;padding:2px 8px;white-space:nowrap}
.topo-die .basis.photo{--b:#52c48f}.topo-die .basis.annot{--b:#62a8ea}.topo-die .basis.derived{--b:#e0aa3e}.topo-die .basis.lineage{--b:#aab0b9}
.topo-die svg{display:block;max-width:none;margin:0 auto;height:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.topo-die .lbl{fill:#f4f6f8;font-weight:600;pointer-events:none;paint-order:stroke;stroke:#05060a;stroke-opacity:.85;stroke-width:2.8px;stroke-linejoin:round}
.topo-die .cap{fill:#c4cad2;paint-order:stroke;stroke:#0b0c0f;stroke-width:3px}
.topo-die .scale{fill:#cfd4da}
.topo-die .blk{cursor:pointer;outline:none}
.topo-die .blk:hover .bb,.topo-die .blk.sel .bb,.topo-die .blk:focus-visible .bb{stroke-width:2.6;stroke:#fff;stroke-opacity:1}
.topo-die .blk:hover .wash,.topo-die .blk.sel .wash{fill-opacity:.38}
.topo-die .paths{display:none}
.topo-die-note{font-size:12.5px;color:#aeb6c0;margin:10px 2px 0;max-width:80ch;line-height:1.5}
.topo-die-miss{color:#cfd4da;padding:30px}
html[data-theme="dark"] select,html[data-theme="dark"] .topo-toolbar button,html[data-theme="dark"] .topo-stepper button,html[data-theme="dark"] #topo-choices button:not([aria-pressed=true]){background:var(--ig-panel);color:var(--ig-ink);border-color:var(--ig-rule)}
html[data-theme="dark"] select option{background:var(--ig-panel);color:var(--ig-ink)}
/* dark theme: surfaces that were hard-coded white */
html[data-theme="dark"] .lab{background:var(--ig-panel)}
html[data-theme="dark"] button:not(.chip-diagram button):not([aria-pressed=true]){background:var(--ig-panel);color:var(--ig-ink);border-color:var(--ig-rule)}
html[data-theme="dark"] .bar-track,html[data-theme="dark"] .capacity{background:#2a2f37}
html[data-theme="dark"] .die{background:#232a33;border-color:#4b5868;color:var(--ig-ink)}
html[data-theme="dark"] .try{background:#18222f}
html[data-theme="dark"] .source-gallery{background:#151a21}