@font-face { font-family: "Fraunces"; src: url(fonts/Fraunces-Variable.woff2) format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url(fonts/Fraunces-Italic-Variable.woff2) format("woff2"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/InterVariable.woff2) format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JBMono"; src: url(fonts/JetBrainsMono.woff2) format("woff2"); font-weight: 100 800; font-display: swap; }

/* ---------------------------------------------------------------- themes */
:root {
  --w: 1180px; --r: 14px; --rail: 0px;
  --serif: "Fraunces", Georgia, serif; --sans: "Inter", system-ui, sans-serif; --mono: "JBMono", ui-monospace, monospace;
  --on-gold: #1a1205; --media: #0b0d19;
}
:root, [data-theme="light"] {
  color-scheme: light;
  --bg: #f7f4ee; --card: #fffdf9; --card2: #ffffff;
  --line: rgba(34, 30, 60, .10); --line2: rgba(34, 30, 60, .18);
  --ink: #1b1c30; --head: #2a2c46; --prose: #3b3d57; --mut: #585c78; --dim: #8a8da3;
  --gold: #c98a1f; --gold2: #9a640e; --goldbg: rgba(201, 138, 31, .10); --goldline: rgba(201, 138, 31, .5);
  --blue: #4656c2; --ok: #1f9d5c; --bad: #cf443d; --badline: rgba(207, 68, 61, .4);
  --soft: rgba(30, 28, 60, .03); --track: rgba(30, 28, 60, .08); --bar: #a9adc6;
  --canvas: #f2eee6; --canvas-ink: #8a8da3;
  --dial-bg0: #fcecc9; --dial-bg1: #d99a3a;
  --topbar: rgba(247, 244, 238, .82); --panel: rgba(255, 253, 249, .72);
  --card-shadow: 0 1px 2px rgba(40, 30, 10, .04), 0 14px 36px -22px rgba(40, 30, 10, .22);
  --big-shadow: 0 30px 80px -40px rgba(40, 30, 10, .38);
  --wash:
    radial-gradient(1100px 700px at 88% -8%, rgba(226, 178, 96, .24), transparent 62%),
    radial-gradient(900px 700px at -12% 28%, rgba(122, 134, 206, .14), transparent 60%),
    radial-gradient(1000px 800px at 112% 78%, rgba(206, 150, 178, .12), transparent 60%);
}
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0c1b; --card: #131731; --card2: #181c3a;
  --line: rgba(222, 226, 255, .09); --line2: rgba(222, 226, 255, .16);
  --ink: #eceef8; --head: #d7daf0; --prose: #c4c8de; --mut: #a2a7c4; --dim: #6f7494;
  --gold: #e8a93e; --gold2: #f3c46d; --goldbg: rgba(232, 169, 62, .12); --goldline: rgba(232, 169, 62, .5);
  --blue: #8ea2ff; --ok: #4fd18b; --bad: #ef6a6a; --badline: rgba(239, 106, 106, .4);
  --soft: rgba(255, 255, 255, .03); --track: rgba(255, 255, 255, .06); --bar: #646a90;
  --canvas: #05060e; --canvas-ink: #a2a7c4;
  --dial-bg0: #2b2350; --dial-bg1: #0d0f24;
  --topbar: rgba(10, 12, 27, .74); --panel: rgba(10, 12, 30, .55);
  --card-shadow: none; --big-shadow: 0 40px 120px -40px rgba(0, 0, 0, .8);
  --wash:
    radial-gradient(1100px 700px at 85% -5%, rgba(108, 62, 160, .30), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(38, 64, 150, .28), transparent 60%),
    radial-gradient(1000px 800px at 110% 75%, rgba(120, 50, 130, .18), transparent 60%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0; color: var(--ink); font: 400 17px/1.7 var(--sans); font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  -webkit-font-smoothing: antialiased; transition: background-color .4s, color .4s;
}
/* the color wash sits on its own fixed layer, so scrolling does not repaint it */
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background-image: var(--wash); transform: translateZ(0); }
a { color: inherit; }
b { font-weight: 620; }
i { font-style: italic; }
img, video, canvas { display: block; max-width: 100%; }
video { background: var(--media); }
.mono { font-family: var(--mono); font-size: .86em; }

/* ---------------------------------------------------------------- top bar, progress, theme switch */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 64px; display: flex; align-items: center; gap: 32px;
  padding: 0 clamp(18px, 4vw, 56px); background: var(--topbar); backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line); transition: transform .45s cubic-bezier(.2, .8, .2, 1), background .4s;
}
body.on-cover .topbar { background: transparent; border-bottom-color: transparent; backdrop-filter: none; }
body.on-cover .topbar .brand, body.on-cover .topbar nav { opacity: 0; pointer-events: none; }
.topbar .brand, .topbar nav { transition: opacity .4s; }
.brand { display: flex; align-items: center; gap: 10px; font: 500 22px/1 var(--serif); text-decoration: none; letter-spacing: -.01em; white-space: nowrap; }
.brand-dial { width: 30px; height: 30px; flex: none; }
.brand i { color: var(--gold); }
.topbar nav { display: flex; gap: 4px; margin: 0 auto; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.topbar nav a { text-decoration: none; color: var(--mut); font-size: 14.5px; padding: 6px 12px; border-radius: 999px; white-space: nowrap; transition: color .2s, background .2s; }
.topbar nav a:hover { color: var(--ink); }
.topbar nav a.on { color: var(--gold2); background: var(--goldbg); }
.theme-btn { all: unset; cursor: pointer; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line2); color: var(--ink); flex: none; transition: border-color .2s; }
.theme-btn:hover { border-color: var(--gold); }
.theme-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; grid-area: 1 / 1; transition: opacity .3s, transform .4s; }
.theme-btn .i-moon { fill: currentColor; stroke: none; }
[data-theme="light"] .theme-btn .i-sun, [data-theme="dark"] .theme-btn .i-moon { opacity: 0; transform: rotate(-60deg) scale(.6); }
.topbar nav { margin: 0 auto 0 auto; }
.theme-btn { margin-left: auto; }
.topbar nav + .theme-btn { margin-left: 0; }
.prog { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; transform: scaleX(0); transform-origin: 0 50%; background: linear-gradient(90deg, var(--gold), var(--gold2)); }

/* ---------------------------------------------------------------- contents rail */
.rail { display: none; }
@media (min-width: 1440px) {
  :root { --rail: 216px; }
  .rail { display: block; position: fixed; z-index: 40; left: clamp(16px, 2vw, 40px); top: 96px; width: calc(var(--rail) - 40px); max-height: calc(100vh - 120px); overflow-y: auto;
    scrollbar-width: none; transition: opacity .4s, transform .4s; }
  body.on-cover .rail { opacity: 0; transform: translateX(-12px); pointer-events: none; }
}
.rail a { display: block; text-decoration: none; color: var(--dim); font-size: 13px; line-height: 1.35; padding: 4px 0 4px 14px; border-left: 1.5px solid var(--line); transition: color .2s, border-color .2s; }
.rail a.top { color: var(--mut); font-weight: 600; margin-top: 12px; }
.rail a.top:first-child { margin-top: 0; }
.rail a.subl { padding-left: 24px; font-size: 12.5px; }
.rail a:hover { color: var(--ink); }
.rail a.in { color: var(--ink); }
.rail a.on { color: var(--gold2); border-left-color: var(--gold); }

/* ---------------------------------------------------------------- cover */
.cover { position: relative; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; padding: 48px clamp(20px, 5vw, 72px) 110px; overflow: hidden; }
.cover-in { width: 100%; max-width: 1380px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 40px; will-change: opacity, transform; }
.cover-text { position: relative; z-index: 2; max-width: 700px; }
.cover h1 { font: 380 clamp(64px, min(9.4vw, 15vh), 140px)/.98 var(--serif); letter-spacing: -.025em; margin: 0; font-variation-settings: "SOFT" 100, "opsz" 144; }
.cover h1 i { color: var(--gold); font-weight: 340; }
.title-sub { font: 380 clamp(19px, 1.9vw, 26px)/1.38 var(--serif); color: var(--head); margin: 22px 0 0; max-width: 640px; font-variation-settings: "SOFT" 50; }
.byline { margin: 24px 0 0; max-width: 680px; }
:where(.byline) p { margin: 0; }
.byline sup { font-size: .68em; line-height: 0; margin-left: 1px; color: var(--gold2); font-weight: 600; }
.authors { display: flex; flex-wrap: wrap; gap: 3px 16px; font: 560 16px/1.5 var(--sans); color: var(--ink); }
.authors a { text-decoration: none; background: linear-gradient(var(--line2), var(--line2)) 0 100% / 100% 1px no-repeat; transition: color .2s, background-color .2s; }
.authors a:hover { color: var(--gold2); background-image: linear-gradient(var(--gold), var(--gold)); }
/* logo size follows the window width, and gives way on short windows so the cover still fits one screen;
   the row may reach into the 40px gap beside the dial, so the three affiliations of a row stay together */
.affils { --lg: clamp(26px, min(2.3vw, calc(6vh - 18px)), 38px); display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 9px -36px 0 0; font-size: 13.5px; line-height: 1.3; color: var(--mut); }
.affils > span { display: inline-flex; align-items: center; }
.affils img { width: var(--lg); height: var(--lg); margin-right: 9px; padding: 3px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: calc(var(--lg) * .26); flex: none; }
.affils img.wide { width: calc(var(--lg) * 2.5); }
.affils sup { margin: 0 3px 0 0; }
.notes { display: flex; flex-wrap: wrap; gap: 1px 16px; margin-top: 6px; font-size: 12.5px; line-height: 1.5; color: var(--dim); }
.notes sup { margin: 0 3px 0 0; font-size: .95em; }
.notes a { text-decoration-color: var(--line2); text-underline-offset: 2px; }
.notes a:hover { color: var(--gold2); }
.links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.lnk { display: inline-flex; align-items: center; gap: 8px; padding: 9px 20px 9px 16px; border-radius: 999px; border: 1px solid var(--line2); background: var(--panel);
  color: var(--ink); text-decoration: none; font: 560 15px/1.2 var(--sans); transition: border-color .2s, color .2s, background .2s; }
.lnk svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.lnk[href]:hover { border-color: var(--gold); color: var(--gold2); background: var(--goldbg); }
.lnk:not([href]) { color: var(--dim); cursor: default; }
.tldr { margin: 24px 0 0; font-size: 18px; color: var(--mut); max-width: 600px; }
.tldr b { color: var(--ink); }
.tldr i { color: var(--gold2); font-family: var(--serif); font-size: 1.1em; }
.cover-text > * { animation: rise 1s cubic-bezier(.2, .8, .2, 1) both; }
.cover-text > :nth-child(2) { animation-delay: .12s; }
.cover-text > :nth-child(3) { animation-delay: .2s; }
.cover-text > :nth-child(4) { animation-delay: .28s; }
.cover-text > :nth-child(5) { animation-delay: .36s; }
.cover-dial { margin: 0; position: relative; z-index: 1; animation: rise 1.2s .2s cubic-bezier(.2, .8, .2, 1) both; }
.cover-dial svg { overflow: visible; width: 100%; max-height: calc(100vh - 180px); display: block; cursor: ew-resize; }
.cover-dial figcaption { text-align: center; font-size: 13.5px; color: var(--dim); margin-top: 6px; }
.cover-dial figcaption i { color: var(--gold2); font-family: var(--serif); }
.sd-lab text { fill: var(--gold2); font: 600 28px var(--sans); }
.cover-cue { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; text-decoration: none;
  color: var(--mut); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; animation: rise 1s .6s both; }
.cover-cue:hover { color: var(--gold2); }
.cover-cue svg { width: 40px; height: 40px; padding: 9px; border-radius: 50%; border: 1px solid var(--line2); fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; animation: bob 2.2s ease-in-out infinite; }
@keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ---------------------------------------------------------------- sections and blocks */
main { position: relative; padding-left: var(--rail); }
footer { margin-left: calc(var(--rail) + max(0px, (100% - var(--rail) - var(--w)) / 2)); }
.sec { max-width: var(--w); margin: 0 auto; padding: 96px 24px 30px; border-top: 1px solid var(--line); }
.sec:first-child { border-top: 0; padding-top: 88px; }
.eyebrow { margin: 0 0 12px; font-size: 14.5px; letter-spacing: .06em; color: var(--mut); font-weight: 540; }
.eyebrow b { color: var(--gold); font-family: var(--mono); font-weight: 600; letter-spacing: 0; margin-right: 2px; }
h2 { font: 400 clamp(32px, 4vw, 48px)/1.14 var(--serif); letter-spacing: -.015em; margin: 0 0 18px; max-width: 1000px; font-variation-settings: "SOFT" 60, "opsz" 72; }
h2 i, h3 i { color: var(--gold2); font-weight: 380; }
h3 { font: 420 clamp(22px, 2.2vw, 28px)/1.25 var(--serif); margin: 0; letter-spacing: -.01em; }
h4 { font: 600 16.5px/1.4 var(--sans); margin: 4px 0 6px; }
.lede { font-size: 18px; color: var(--mut); max-width: 920px; margin: 0 0 22px; }
.prose { color: var(--prose); margin: 0 0 14px; }
.prose b { color: var(--ink); }
.note { font-size: 13.5px; color: var(--dim); margin: 10px 0 0; }
.tag { margin: 0; font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--gold2); }
.card { background: linear-gradient(180deg, var(--card2), var(--card)); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; box-shadow: var(--card-shadow); }
.card p { margin: 0; color: var(--prose); font-size: 15.5px; }
.num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--gold); color: var(--on-gold); font: 700 13px/1 var(--mono); flex: none; }
.tag .num { width: 20px; height: 20px; font-size: 11.5px; margin-right: 8px; vertical-align: 1px; }

/* chapter outline: what the chapter covers, in order */
.outline { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 10px; margin: 0 0 8px; padding: 0; }
.outline li { font-size: 14px; color: var(--mut); padding: 5px 14px 5px 6px; border: 1px solid var(--line); border-radius: 999px; background: var(--soft); }
.outline b { font-family: var(--mono); font-size: 12.5px; color: var(--gold2); margin-right: 8px; padding: 2px 8px; border-radius: 999px; background: var(--goldbg); font-weight: 600; }

/* one block = one idea, sized to fit a screen */
.blk { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--line); }
.blk.sub-blk { margin-top: 44px; padding-top: 0; border-top: 0; }
.blk-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.blk-n { display: inline-flex; align-items: center; gap: 8px; font: 600 13px/1 var(--mono); color: var(--gold2); padding: 5px 11px; border-radius: 999px; border: 1px solid var(--goldline); white-space: nowrap; transform: translateY(-3px); }
.blk-n .num { width: 18px; height: 18px; font-size: 10.5px; margin-left: -5px; }
.blk-head.res { align-items: center; }
.blk-head .key { margin: 0 0 0 auto; font-size: 14px; color: var(--mut); white-space: nowrap; }
.blk-head .key b { font: 400 26px/1 var(--serif); color: var(--gold2); margin: 0 2px; }
.blk-lede { color: var(--prose); max-width: 1080px; margin: 0 0 20px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 44px; align-items: start; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.split > *, .cols2 > * { min-width: 0; }
.bridge { margin: 56px 0 0; padding: 22px 26px; border-left: 3px solid var(--gold); background: var(--goldbg); border-radius: 0 var(--r) var(--r) 0; font: 400 21px/1.45 var(--serif); color: var(--head); }
.bridge i { color: var(--gold2); }
.thesis { margin: 4px 0 22px; padding: 4px 0 4px 22px; border-left: 3px solid var(--gold); max-width: 1000px; font: 400 clamp(20px, 1.9vw, 24px)/1.45 var(--serif); color: var(--head); }
.thesis .t-a { color: var(--mut); text-decoration: underline; text-decoration-color: var(--line2); text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
.thesis .t-b { color: var(--gold2); font-style: italic; background: linear-gradient(transparent 62%, var(--goldbg) 62%); }
.question { margin: 22px 0 0; font: 400 21px/1.45 var(--serif); color: var(--gold2); font-style: italic; }

/* ---------------------------------------------------------------- overview */
.contrib { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 4px; }
.ov-demo { margin-top: 22px; }
.contrib .card { padding: 18px 20px; }
.contrib h4 { margin: 8px 0 6px; }
.contrib .card p:last-child { font-size: 14.5px; color: var(--mut); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 16px 0 0; }
.stat { padding: 18px 20px 16px; border-radius: var(--r); border: 1px solid var(--line); background: linear-gradient(180deg, var(--card2), var(--card)); box-shadow: var(--card-shadow); }
.stat p { margin: 0; }
.stat .n { font: 300 clamp(34px, 3.4vw, 46px)/1.05 var(--serif); color: var(--gold2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.stat .n em { font-style: normal; color: var(--dim); margin: 0 4px; font-size: .7em; }
.stat .u { font-size: 14px; color: var(--ink); margin-top: 6px; }
.stat .l { font-size: 13px; color: var(--dim); margin-top: 4px; }

/* ---------------------------------------------------------------- film */
.film { border-radius: 16px; overflow: hidden; border: 1px solid var(--line2); box-shadow: var(--big-shadow); background: #000; max-width: calc((100vh - 230px) * 16 / 9); margin: 0 auto; }
.film video { width: 100%; aspect-ratio: 16 / 9; }
.chapters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; justify-content: center; }
.chapters button { all: unset; cursor: pointer; padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line); font-size: 13.5px; color: var(--mut); transition: .2s; }
.chapters button span { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-right: 8px; }
.chapters button:hover, .chapters button.on { color: var(--ink); border-color: var(--gold); }
.chapters button.on span { color: var(--gold2); }

/* ---------------------------------------------------------------- media blocks */
.triple { margin: 0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: var(--card); box-shadow: var(--card-shadow); }
.triple video { width: 100%; }
.tri-head, .tri-foot { display: grid; grid-template-columns: repeat(3, 1fr); font-size: 14px; font-weight: 580; }
.tri-head.two { grid-template-columns: 1fr 1fr; }
.tri-head span, .tri-foot span { padding: 9px 16px; }
.tri-head span { border-bottom: 1px solid var(--line); }
.tri-head span.g { color: var(--gold2); }
.tri-foot span { color: var(--mut); font-weight: 420; font-size: 13.5px; border-top: 1px solid var(--line); }
.triple figcaption { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 10px 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--mut); }
.instr { color: var(--ink); font-family: var(--serif); font-style: italic; font-size: 16px; }
.media-card { margin: 0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--card-shadow); }
.media-card video { width: 100%; }
.eq { margin: 14px 0; overflow-x: auto; overflow-y: hidden; color: var(--ink); }
.eq.small { font-size: .9em; }
.katex-display { overflow-x: auto; overflow-y: hidden; padding: 2px 0; max-width: 100%; margin: .6em 0; }
.paperfig { margin: 22px 0 0; }
.paperfig img { width: 100%; border-radius: 10px; background: #fff; cursor: zoom-in; border: 1px solid var(--line); }
.paperfig figcaption { font-size: 13.5px; color: var(--mut); margin-top: 8px; }
.figrow { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.figrow .paperfig { margin-top: 18px; }

/* segmented control */
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--soft); }
.seg button { all: unset; cursor: pointer; padding: 6px 15px; border-radius: 999px; font-size: 14px; color: var(--mut); font-weight: 520; transition: .2s; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--gold); color: var(--on-gold); font-weight: 620; }
.icon { all: unset; cursor: pointer; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line2); display: grid; place-items: center; font-size: 12px; color: var(--ink); flex: none; }
.icon:hover { border-color: var(--gold); }
input[type=range] { accent-color: var(--gold); height: 4px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 22px; border-radius: 999px; border: 1px solid var(--line2); background: var(--soft);
  color: var(--ink); text-decoration: none; font: 520 15px/1.2 var(--sans); cursor: pointer; transition: border-color .2s, background .2s; }
.btn:hover { border-color: var(--gold); }

/* ---------------------------------------------------------------- 1.1 three routes */
.routes { margin: 0; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); box-shadow: var(--card-shadow); overflow: hidden; }
.route { display: grid; grid-template-columns: 250px minmax(0, 1fr) 210px; gap: 22px; align-items: center; padding: 18px 22px; }
.route + .route { border-top: 1px solid var(--line); }
.r-name p { margin: 0; }
.r-t { font: 500 18px/1.3 var(--serif); color: var(--gold2); }
.r-role { font-size: 13.5px; color: var(--mut); margin-top: 2px !important; }
.r-ex { font: 600 12.5px/1.5 var(--mono); color: var(--blue); margin-top: 6px !important; }
.r-flow { display: flex; align-items: center; gap: 0; min-width: 0; }
.r-box { display: inline-block; padding: 8px 13px; border-radius: 9px; border: 1px solid var(--line2); background: var(--card2); font-size: 14px; font-weight: 560; color: var(--head); white-space: nowrap; }
.r-box.geo { border-color: var(--goldline); background: var(--goldbg); color: var(--gold2); }
.r-box.act { border-style: dashed; }
.r-ar { flex: 1 1 18px; min-width: 14px; max-width: 46px; height: 1.5px; background: var(--line2); position: relative; margin: 0 4px; }
.r-ar::after { content: ""; position: absolute; right: -1px; top: -4px; border: 5px solid transparent; border-left: 7px solid var(--line2); border-right: 0; }
.r-col, .r-stack { display: inline-flex; flex-direction: column; align-items: center; gap: 6px; }
.r-stack { align-items: stretch; }
.r-chip { font-size: 12.5px; font-weight: 600; color: var(--gold2); text-align: center; line-height: 1.3; }
.r-chip small, .r-note { display: block; font-size: 11.5px; font-weight: 450; color: var(--dim); }
.r-lim { margin: 0; padding: 8px 12px 8px 14px; border-left: 2.5px solid var(--bad); font-size: 14px; font-weight: 600; color: var(--bad); line-height: 1.4; }

/* ---------------------------------------------------------------- 1.2 insight */
.sw { display: grid; gap: 10px; margin: 6px 0 16px; }
.sw p { margin: 0; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--soft); font-size: 15px; color: var(--prose); }
.sw b { display: block; font: 600 13px/1.5 var(--mono); color: var(--gold2); letter-spacing: .02em; }
.relation { padding: 16px 18px 16px; }
.relation video { width: 100%; border-radius: 10px; }
.relation .tri-head { margin: -4px -6px 8px; }
.relation .tri-head span { border: 0; padding: 2px 6px; }
#relChart { width: 100%; height: auto; margin-top: 10px; display: block; }
.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13.5px; color: var(--mut); }
.lg { width: 18px; height: 3px; border-radius: 2px; display: inline-block; margin-left: 8px; }
.lg.c { background: var(--gold); }
.lg.r { background: var(--blue); }
.tagc { margin-left: auto; padding: 3px 12px; border-radius: 999px; border: 1px solid var(--line2); font-weight: 600; color: var(--ink); transition: .25s; }
.tagc.hi { border-color: var(--gold); color: var(--gold2); }
.chart .ax { stroke: var(--line2); }
.chart .ax2 { stroke: var(--line); }
.chart .ev { stroke: var(--goldline); stroke-dasharray: 3 4; }
.chart text { fill: var(--mut); font: 13px var(--sans); }
#relChart text { font-size: 24px; }
.chart .cc { fill: none; stroke: var(--gold); stroke-width: 2.6; stroke-linejoin: round; }
.chart .rr { fill: color-mix(in srgb, var(--blue) 22%, transparent); stroke: var(--blue); stroke-width: 1.2; }
.chart .head { stroke: var(--ink); stroke-width: 1.6; }
.chart .dot { fill: var(--gold); stroke: var(--bg); stroke-width: 2; }
.chart .lin { fill: none; stroke: var(--dim); stroke-dasharray: 4 4; stroke-width: 1.5; }
.chart .gl { stroke: var(--line); }
.chart .gt { fill: var(--gold2); }
.chart .gx { stroke: var(--gold2); stroke-width: 1; stroke-dasharray: 3 3; }

/* ---------------------------------------------------------------- 1.3 probe */
.probe-bar { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.probe-grid { display: grid; gap: 12px; }
.probe-grid figure { margin: 0; position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--media); }
.probe-grid figure.ours { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold), 0 0 36px -10px var(--gold); }
.probe-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.probe-grid figcaption { position: absolute; left: 10px; top: 10px; font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: rgba(8, 9, 20, .75); color: #eceef8; }
.probe-grid figure.ours figcaption { color: #f3c46d; }
.probe-time { display: flex; align-items: center; gap: 14px; margin-top: 10px; color: var(--mut); font-size: 13.5px; }
.probe-time input { flex: 1; }
.enrich { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.enrich .card { padding: 16px 20px; }
.enrich .card h4 { margin: 0 0 8px; }
.enrich .card h4 small { font-weight: 450; color: var(--dim); margin-left: 8px; }
.bar { display: grid; grid-template-columns: 128px 1fr 54px; align-items: center; gap: 12px; margin: 6px 0; font-size: 14px; color: var(--mut); }
.bar .track { position: relative; height: 11px; border-radius: 6px; background: var(--track); }
.bar .fill { height: 100%; width: 0; border-radius: 6px; background: var(--bar); transition: width 1.2s cubic-bezier(.2, .8, .2, 1); }
.bar.ours { color: var(--gold2); font-weight: 600; }
.bar.ours .fill { background: linear-gradient(90deg, var(--gold), #f3c46d); }
.bar .v { font-family: var(--mono); font-size: 13px; text-align: right; }
.bar .uni { position: absolute; top: -5px; bottom: -5px; border-left: 1.5px dashed var(--dim); }
.enrich .card.hot { border-color: var(--goldline); }
.enrich .card.cold { border-color: var(--badline); }
.enrich .verdict { font-size: 13px; margin-top: 8px; }
.enrich .hot .verdict { color: var(--gold2); }
.enrich .cold .verdict { color: var(--bad); }
.enrich > .note { grid-column: 1 / -1; margin-top: 0; }

/* ---------------------------------------------------------------- method diagram */
.pipe { position: relative; display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.3fr) minmax(0, .78fr); gap: 50px; margin: 22px 0 0;
  padding: 26px 26px 38px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); box-shadow: var(--card-shadow); }
.p-col { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; gap: 14px; min-width: 0; }
.p-box { position: relative; display: block; border: 1px solid var(--line2); border-radius: 12px; background: var(--card2); color: var(--ink); }
.p-box video, .p-box canvas { width: 100%; display: block; border-radius: 0 0 11px 11px; }
.p-tag { margin: 0; padding: 6px 12px; font-size: 13px; font-weight: 600; color: var(--mut); border-bottom: 1px solid var(--line); }
.p-tag.g { color: var(--gold2); }
#pipeInstr { margin: 0; padding: 8px 12px 2px; font: italic 400 15.5px/1.45 var(--serif); color: var(--ink); min-height: 4.4em; }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--gold); vertical-align: -2px; margin-left: 1px; animation: blink .8s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.p-plus { margin: 0; padding: 0 12px 8px; font-size: 12.5px; color: var(--dim); }
.p-human { border-style: dashed; border-color: var(--goldline); }
.p-human p:last-child { margin: 0; padding: 6px 12px 10px; font-size: 14px; color: var(--prose); }
.pipe .num { position: absolute; top: -11px; left: -11px; box-shadow: 0 0 0 4px var(--bg); }
.lane { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 16px 16px;
  border: 1px solid var(--line2); border-radius: 12px; background: var(--card2); color: var(--ink); }
.lane.gold { border-color: var(--goldline); background: linear-gradient(180deg, var(--goldbg), var(--card2)); }
.lane h4 { margin: 0; font: 400 21px/1.2 var(--serif); }
.lane.gold h4 { color: var(--gold2); }
.lane p { margin: 3px 0 0; font-size: 13px; color: var(--dim); }
.tok { display: grid; grid-template-columns: repeat(8, 11px); gap: 7px; }
.tok i { height: 32px; border-radius: 3px; border: 1px solid var(--goldline); animation: tok 1.44s ease-in-out infinite; }
@keyframes tok { 0%, 100% { background: transparent; } 50% { background: var(--gold); } }
.readout { position: relative; align-self: flex-start; display: flex; gap: 10px; align-items: center; margin: 0 0 0 18px; padding: 7px 16px 7px 22px; border-radius: 999px;
  border: 1px dashed var(--goldline); background: var(--card2); font-size: 13px; color: var(--mut); }
.readout b { display: block; color: var(--gold2); font-size: 14px; }
.ja-lab { position: absolute; left: 0; right: 0; bottom: -28px; margin: 0; text-align: center; font-size: 12.5px; letter-spacing: .04em; color: var(--gold2); }
.p-wires { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; overflow: visible; }
.w { fill: none; stroke: var(--line2); stroke-width: 1.4; stroke-dasharray: 4 6; animation: flow 1.1s linear infinite; transition: opacity .35s, stroke .35s; }
.w.hot { stroke: var(--goldline); stroke-width: 1.8; }
.w.ja { stroke: var(--goldline); stroke-width: 1; stroke-dasharray: 2 5; opacity: .6; }
@keyframes flow { to { stroke-dashoffset: -20; } }
.p-box, .lane, .readout { transition: opacity .35s, box-shadow .35s; }
.pipe.hl .p-box, .pipe.hl .lane, .pipe.hl .readout { opacity: .35; }
.pipe.hl .w { opacity: .12; }
.pipe.hl-1 [data-c="1"], .pipe.hl-2 [data-c="2"], .pipe.hl-3 [data-c="3"] { opacity: 1 !important; box-shadow: 0 0 0 2px var(--gold), 0 0 30px -4px var(--goldline); }
.pipe.hl-1 .w[data-c="1"], .pipe.hl-2 .w[data-c="2"], .pipe.hl-3 .w[data-c="3"] { stroke: var(--gold); stroke-width: 2.6; opacity: 1; }
.p-keys { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.p-keys > span { display: flex; gap: 9px; align-items: center; padding: 4px 16px 4px 4px; border-radius: 999px; border: 1px solid var(--line2); font-size: 14px; color: var(--mut); cursor: default; transition: .2s; }
.p-keys > span.on, .p-keys > span:hover { border-color: var(--gold); background: var(--goldbg); color: var(--gold2); }

/* ---------------------------------------------------------------- method parts */
.claim { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; align-items: start; }
.claim.sub-blk { padding-top: 0; }
.claim-text .blk-head { margin-bottom: 12px; }
.steps { list-style: none; counter-reset: s; margin: 16px 0 0; padding: 0; display: grid; gap: 2px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 34px 1fr; column-gap: 12px; padding: 8px 12px; border-radius: 10px; border: 1px solid transparent; transition: .35s; opacity: .6; cursor: pointer; }
.steps li::before { content: counter(s); grid-row: span 2; font-family: var(--mono); font-size: 13px; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line2); color: var(--mut); margin-top: 1px; }
.steps li b { font-weight: 600; }
.steps li span { color: var(--mut); font-size: 14.5px; }
.steps li.on { opacity: 1; border-color: var(--goldline); background: var(--goldbg); }
.steps li.on::before { background: var(--gold); border-color: var(--gold); color: var(--on-gold); }
.defrow { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 36px; align-items: center; margin-top: 16px; }
.vs { display: grid; gap: 8px; }
.vs p { margin: 0; font-size: 15px; color: var(--mut); }
.vs b { color: var(--gold2); font-weight: 600; margin-right: 8px; }
.gd-dom .seg { margin-bottom: 12px; }
.gd-dom figure { margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--card); box-shadow: var(--card-shadow); }
.gd-dom video { width: 100%; }
.gd-dom figcaption { display: flex; justify-content: space-between; gap: 6px 16px; flex-wrap: wrap; padding: 9px 14px; font-size: 13.5px; color: var(--mut); border-top: 1px solid var(--line); }
.gd-dom figcaption b { color: var(--ink); font-weight: 600; }
.codec { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); margin-top: 22px; }
.mulaw { padding: 16px 18px; }
.mulaw svg { width: 100%; height: auto; }
.mulaw .row { display: flex; align-items: center; gap: 12px; margin-top: 6px; font-size: 14px; color: var(--mut); flex-wrap: wrap; }
.mulaw .row input { flex: 1; min-width: 140px; }
.swatch { width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--line2); }
.eqcards { gap: 20px; }
.eqcards .eq { margin: 8px 0; }
.eq-clip { width: 100%; aspect-ratio: 1280 / 574; border-radius: 10px; margin: 12px 0 4px; }
.pairs { padding: 18px 20px; }
.pairs video { width: 100%; border-radius: 10px; aspect-ratio: 1024 / 288; object-fit: cover; }
.pairs .seg { margin-bottom: 12px; }
.pairs .tri-head span { border: 0; padding: 2px 4px 8px; }
.pair-thumbs { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.pair-thumbs button { all: unset; cursor: pointer; padding: 5px 13px; border-radius: 999px; border: 1px solid var(--line); font-size: 13.5px; color: var(--mut); }
.pair-thumbs button.on { border-color: var(--gold); color: var(--ink); }
.curri.mini { list-style: none; padding: 0; margin: 18px 0 0; }
.curri.mini li { display: grid; grid-template-columns: 104px 1fr; gap: 12px; align-items: baseline; padding: 9px 0; border-top: 1px solid var(--line); }
.curri.mini b { font: 400 23px/1.2 var(--serif); color: var(--gold2); }
.curri.mini span { font-size: 14.5px; color: var(--mut); }

/* denoising clock */
.clock-head { display: grid; grid-template-columns: 1.25fr 1fr; gap: 30px; align-items: center; }
.clock-panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.clock-panels figure { margin: 0; }
.clock-panels canvas { width: 100%; aspect-ratio: 4 / 3; border-radius: 10px; border: 1px solid var(--line); background: var(--canvas); }
.ph { display: flex; justify-content: space-between; font-size: 14px; font-weight: 580; margin-bottom: 6px; }
.ph.g span:first-child { color: var(--gold2); }
.ph .mono { color: var(--mut); font-weight: 400; }
.clock-ctl { display: flex; align-items: center; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.clock-ctl input { flex: 1; min-width: 120px; }
.ready { padding: 5px 14px; border-radius: 999px; background: var(--gold); color: var(--on-gold); font-weight: 650; font-size: 13.5px; opacity: 0; transform: scale(.9); transition: .3s; white-space: nowrap; }
.ready.on { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- tables */
.t { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.4; font-variant-numeric: tabular-nums; }
.t th { text-align: right; color: var(--dim); font-weight: 560; font-size: 13px; padding: 7px 10px; border-bottom: 1px solid var(--line2); }
.t td { text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--line); color: var(--prose); }
.t th:first-child, .t td:first-child { text-align: left; }
.t tr.grp td { color: var(--dim); font-size: 12.5px; letter-spacing: .04em; padding-top: 12px; border-bottom: 0; }
.t tr.ours td, .t td.o { color: var(--gold2); font-weight: 620; background: var(--goldbg); }
.t tr.hl td { color: var(--ink); font-weight: 560; }
.t tr.sum td { border-top: 1px solid var(--line2); color: var(--ink); }
.t.compact { font-size: 13.5px; }
.t.compact td, .t.compact th { padding: 4px 8px; }
.t.compact tr.grp td { padding-top: 10px; }

/* ---------------------------------------------------------------- results */
.res-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); gap: 36px; }
.res-split .t { margin-top: 4px; }
.t2up { gap: 28px; margin-top: 18px; }
.vbars { margin-top: 18px; }
.vgroup { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 10px; align-items: end; height: 170px; padding-top: 26px; border-bottom: 1px solid var(--line2); }
.vbars.short .vgroup { height: 150px; }
.vg { display: flex; align-items: flex-end; justify-content: center; gap: 4px; height: 100%; position: relative; }
.vg .b { width: 38%; max-width: 28px; border-radius: 5px 5px 0 0; background: var(--bar); height: 0; transition: height 1.1s cubic-bezier(.2, .8, .2, 1); position: relative; }
.vg .b.o { background: linear-gradient(0deg, var(--gold), #f3c46d); }
.vg .d { position: absolute; top: 0; left: 0; right: 0; text-align: center; font-family: var(--mono); font-size: 12.5px; color: var(--gold2); opacity: 0; transition: opacity .6s 1s; }
.vbars.go .vg .d { opacity: 1; }
.vbars.vals .b::after { content: attr(data-v); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 4px; font-family: var(--mono); font-size: 11.5px; color: var(--mut); white-space: nowrap; opacity: 0; transition: opacity .6s 1s; }
.vbars.vals .b.o::after { color: var(--gold2); font-weight: 600; }
.vbars.vals.go .b::after { opacity: 1; }
.vlabels { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 10px; font-size: 13px; color: var(--mut); text-align: center; margin-top: 6px; }
.vkey { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--mut); margin-top: 8px; }
.vkey i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; background: var(--bar); font-style: normal; }
.vkey i.o { background: var(--gold); }
.sub-t { margin: 22px 0 12px; font: 600 12.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--gold2); display: flex; align-items: center; gap: 12px; }
.sub-t::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.setup { align-items: center; }
.setup .paperfig { margin: 0; }
.spec { display: grid; grid-template-columns: 124px 1fr; gap: 8px 16px; margin: 4px 0 16px; font-size: 14.5px; }
.spec dt { color: var(--dim); font-weight: 600; font-size: 13px; letter-spacing: .02em; padding-top: 1px; }
.spec dd { margin: 0; color: var(--prose); }
.spec dd b { color: var(--gold2); font-weight: 600; }
.ood4 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.ood4 p { margin: 0; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--soft); font-size: 13.5px; color: var(--mut); line-height: 1.4; }
.ood4 b { display: block; color: var(--ink); font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.real-tabs { gap: 28px; margin-top: 22px; }
.abl-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.abl { display: grid; gap: 12px; }
.abl .card { padding: 14px 20px; display: grid; grid-template-columns: 1fr auto; column-gap: 16px; align-items: center; }
.abl .card .tag { grid-column: 1; }
.abl .card .jump { grid-column: 2; grid-row: 1 / span 3; }
.abl .card h4 { grid-column: 1; margin: 4px 0 2px; }
.abl .card p:last-child { grid-column: 1; font-size: 14px; color: var(--mut); }
.abl .jump { margin: 0; font: 300 30px/1 var(--serif); color: var(--ink); display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.abl .jump span { color: var(--dim); font-size: .62em; }
.abl .jump b { color: var(--gold2); font-weight: 380; }
.abl .jump em { font: 600 14px/1 var(--mono); color: var(--ok); font-style: normal; }

/* case browser */
.cb-top { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.cb-count { font-family: var(--mono); font-size: 13px; color: var(--mut); }
.cb { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.cases.wide .cb { grid-template-columns: minmax(0, 1fr) 280px; gap: 16px; }
.cb-main { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: var(--card); align-self: start; box-shadow: var(--card-shadow); }
.cb-main video { width: 100%; }
.cases:not(.wide) .cb-main video { max-height: 44vh; margin: 0 auto; object-fit: contain; }
.cb-main .tri-head span { border-bottom: 1px solid var(--line); }
.cb-cap { display: flex; justify-content: space-between; gap: 6px 14px; flex-wrap: wrap; padding: 9px 14px; font-size: 13.5px; color: var(--mut); border-top: 1px solid var(--line); }
.cb-cap b { color: var(--ink); font-weight: 600; }
.cb-ctl { display: flex; align-items: center; gap: 10px; padding: 0 14px 12px; }
.cb-ctl input { flex: 1; }
.cb-ctl .mono { color: var(--mut); min-width: 92px; text-align: right; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.cb-list { display: grid; grid-auto-flow: column; grid-auto-columns: 112px; gap: 8px; overflow-x: auto; overflow-y: hidden; padding-bottom: 6px; scrollbar-width: thin; scrollbar-color: var(--line2) transparent; }
.cases.wide .cb-list { grid-auto-flow: row; grid-template-columns: 1fr 1fr; grid-auto-columns: auto; grid-auto-rows: max-content; overflow-y: auto; overflow-x: hidden; max-height: var(--cbh, 330px); padding: 0 4px 0 0; align-content: start; }
.cb-list button { all: unset; display: block; cursor: pointer; position: relative; border-radius: 9px; overflow: hidden; border: 1.5px solid transparent; background: var(--media); }
.cb-list button img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; opacity: .75; transition: .2s; }
.cb-list button:hover img { opacity: 1; }
.cb-list button.on { border-color: var(--gold); }
.cb-list button.on img { opacity: 1; }
.cb-list button span { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 7px 5px; font-size: 11.5px; line-height: 1.25; color: #eceef8; background: linear-gradient(transparent, rgba(5, 6, 14, .92)); }
.cb-list button em { position: absolute; right: 6px; top: 5px; font-style: normal; font-size: 12px; font-weight: 700; }

/* gallery wall */
#wallBtns { margin-bottom: 18px; }
.wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.wall figure { margin: 0; position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--media); aspect-ratio: 4 / 3; }
.wall figure video, .wall figure img { width: 100%; height: 100%; object-fit: cover; }
.wall figure.rt2 video { object-position: 0 50%; }
.wall figure figcaption { position: absolute; left: 0; right: 0; top: 0; display: flex; justify-content: space-between; gap: 6px; padding: 6px 9px 18px; font-size: 12px; color: #eceef8; background: linear-gradient(rgba(5, 6, 14, .9), transparent); pointer-events: none; }
.wall figure figcaption em { font-style: normal; color: #f3c46d; font-family: var(--mono); font-size: 11.5px; }
.wall-more { text-align: center; margin-top: 22px; }

/* footer */
footer { max-width: var(--w); padding: 60px 24px 50px; margin-top: 70px; border-top: 1px solid var(--line); text-align: center; }
.close { font: 380 clamp(20px, 2.2vw, 28px)/1.5 var(--serif); margin: 0; color: var(--head); }
.close i { color: var(--gold2); }
.fine { font-size: 13px; color: var(--dim); margin: 26px 0 8px; }
.totop { font-size: 13px; color: var(--mut); }

.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(4, 5, 12, .92); display: none; place-items: center; padding: 30px; cursor: zoom-out; }
.lightbox.on { display: grid; }
.lightbox img { max-width: 96vw; max-height: 92vh; border-radius: 8px; background: #fff; }
.lightbox button { all: unset; position: absolute; right: 22px; top: 14px; font-size: 34px; color: #eceef8; cursor: pointer; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .route { grid-template-columns: 210px minmax(0, 1fr); }
  .r-lim { grid-column: 2; }
}
@media (min-width: 1081px) and (max-width: 1399px) {
  .cover-in { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); }
}
@media (max-width: 1080px) {
  .cover-in { grid-template-columns: 1fr; gap: 10px; }
  .affils { margin-right: 0; }
  .cover-dial svg { max-height: 44vh; }
  .stats { grid-template-columns: 1fr 1fr; }
  .cases.wide .cb { grid-template-columns: 1fr; }
  .cases.wide .cb-list { grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: 132px; max-height: none; overflow-x: auto; overflow-y: hidden; padding: 0 0 6px; }
  .pipe { grid-template-columns: 1fr; gap: 24px; padding: 24px 18px; }
  .p-wires, .ja-lab { display: none; }
  .p-in, .p-out { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; align-items: start; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .topbar nav { display: none; }
  .topbar { justify-content: space-between; }
  .split, .cols2, .claim, .defrow, .clock-head, .enrich, .contrib, .figrow, .res-split, .abl-split, .codec, .real-tabs { grid-template-columns: 1fr; gap: 22px; }
  .route { grid-template-columns: 1fr; gap: 10px; padding: 16px; }
  .r-lim { grid-column: auto; }
  .r-flow { flex-wrap: wrap; row-gap: 8px; }
  .r-box { white-space: normal; }
  .wall { grid-template-columns: 1fr 1fr; }
  .tri-head, .tri-foot { font-size: 12px; }
  .tri-head span, .tri-foot span { padding: 7px 8px; }
  .sec { padding-top: 76px; }
  .blk { margin-top: 48px; padding-top: 30px; }
  .clock-panels { gap: 8px; }
  .bar { grid-template-columns: 104px 1fr 48px; }
  .p-in { grid-template-columns: 1fr 1fr; }
  .p-human { grid-column: 1 / -1; }
  .p-tag { font-size: 11.5px; padding: 6px 8px; }
  .tok { grid-template-columns: repeat(8, 7px); gap: 4px; }
  .gd-dom { grid-template-columns: 1fr; }
  .blk-head .key { margin-left: 0; width: 100%; }
  .t { font-size: 13px; }
  .res-split > div, .real-tabs > * { overflow-x: auto; }
  .spec { grid-template-columns: 1fr; gap: 2px; }
  .spec dd { margin-bottom: 8px; }
}
@media (max-width: 520px) {
  .probe-grid figcaption { left: 6px; top: 6px; font-size: 11px; padding: 2px 7px; }
  .stats { grid-template-columns: 1fr; }
  .p-in, .p-out { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .w, .tok i, .caret, .cover-cue svg, .cover-text > *, .cover-dial, .cover-cue { animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}