/* Gyges, project site. Colours are the paper's palette (main.tex and the figure scripts). */
@font-face{font-family:'IM Fell English';src:url(../fonts/im-fell-english-latin-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'IM Fell English';src:url(../fonts/im-fell-english-latin-400-italic.woff2) format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'IM Fell English SC';src:url(../fonts/im-fell-english-sc-latin-400-normal.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-ext-400-normal.woff2) format('woff2');font-weight:400;font-style:normal;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-400-italic.woff2) format('woff2');font-weight:400;font-style:italic;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-ext-400-italic.woff2) format('woff2');font-weight:400;font-style:italic;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-500-normal.woff2) format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-500-italic.woff2) format('woff2');font-weight:500;font-style:italic;font-display:swap}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-600-normal.woff2) format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'EB Garamond';src:url(../fonts/eb-garamond-latin-600-italic.woff2) format('woff2');font-weight:600;font-style:italic;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2');font-weight:500;font-display:swap}

:root{
  --paper:#F6F2E8; --paper-hi:#FBF8F1; --paper-lo:#EFE9DC;
  --ink:#211E1A; --ink-2:#47423B; --muted:#857D70; --hair:#D8D0BF; --hair-2:#E6DFD0;
  --line:#2B2B2B;
  --green:#386341; --green-bg:#D4EFBC; --green-tint:#F1F8EA; --green-frame:#86B56C; --green-soft:#48895A; --green-mist:#DCEDDC;
  --purple:#7953B7; --help-bg:#E4D9F6; --purple-mist:#E9DFF9; --purple-pt:#A48BD8;
  --rule:#D9CDEE; --letter:#9B82C4; --spirit:#4A3566; --gyink:#342642;
  --card-rule:#F8F5FF; --card-letter:#F3ECFF; --card-spirit:#EADFFA;
  --yellow:#FFF6DA; --yellow-2:#FFEDAE; --yellow-lab:#F6E7B2; --yellow-deep:#EDCB6A;
  --grey-head:#E2E0E7; --grey-ink:#5A5366; --grey-tag:#A6A1B2;
  --red:#A6402E; --red-tint:#FBEAE4; --amber:#A8721A; --amber-tint:#FAEDD3; --amber-light:#CFA257;
  --display:'IM Fell English','LXGW WenKai',Georgia,serif;
  --sc:'IM Fell English SC','IM Fell English','LXGW WenKai',Georgia,serif;
  --body:'EB Garamond','LXGW WenKai',Georgia,'Songti SC',serif;
  --mono:'IBM Plex Mono','LXGW WenKai',ui-monospace,Menlo,monospace;
  --zh:'LXGW WenKai','EB Garamond',serif;
  --w:1180px; --text:680px;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:20px;line-height:1.55;
  font-feature-settings:"onum" 1,"liga" 1,"kern" 1;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;overflow-x:hidden}
html[lang=zh] body{font-size:18.5px;line-height:1.85}
/* paper grain, very faint */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:200;opacity:.33;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .45  0 0 0 0 .40  0 0 0 0 .33  0 0 0 .11 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
html[lang=en] .zh, html[lang=zh] .en{display:none!important}
a{color:inherit;text-decoration-color:var(--hair);text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
img{display:block;max-width:100%}
sup,sub{line-height:0}
.mono{font-family:var(--mono);font-size:.78em;letter-spacing:-.01em}
.sc{font-family:var(--sc);letter-spacing:.04em}
.it{font-style:italic}
button{font:inherit;color:inherit}
::selection{background:var(--yellow-2)}

/* ---------------- top bar ---------------- */
.bar{position:fixed;top:0;left:0;right:0;z-index:50;height:56px;display:flex;align-items:center;gap:22px;padding:0 28px;
  background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid transparent;transition:border-color .4s, transform .5s var(--ease)}
.bar.scrolled{border-bottom-color:var(--hair-2)}
.bar .brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-size:22px;text-decoration:none;letter-spacing:.01em}
.bar .brand img{width:26px;height:auto}
.bar nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.bar nav a{font-family:var(--sc);font-size:15px;text-decoration:none;color:var(--muted);padding:6px 10px;border-radius:20px;transition:color .25s,background .25s;white-space:nowrap}
html[lang=zh] .bar nav a{font-family:var(--zh);font-size:14.5px}
.bar nav a:hover{color:var(--ink)}
.bar nav a.on{color:var(--ink);background:var(--paper-lo)}
.lang{display:flex;border:1px solid var(--hair);border-radius:20px;padding:2px;margin-left:8px}
.lang button{border:0;background:none;cursor:pointer;padding:3px 11px;border-radius:16px;font-size:14px;color:var(--muted);font-family:var(--sc)}
.lang button[data-l=zh]{font-family:var(--zh)}
.lang button.on{background:var(--ink);color:var(--paper)}
.progress{position:fixed;top:0;left:0;height:2px;background:var(--ink);z-index:60;width:0;transform-origin:left}
@media (max-width:980px){.bar nav a{display:none}.bar nav a.keep{display:inline}}

/* ---------------- layout ---------------- */
section{position:relative}
.wrap{max-width:var(--w);margin:0 auto;padding:0 32px}
.measure{max-width:var(--text)}
.chapter{padding:150px 0 40px}
.kicker{display:flex;align-items:baseline;gap:14px;font-family:var(--sc);color:var(--muted);font-size:17px;letter-spacing:.08em;margin-bottom:22px}
.kicker .num{font-family:var(--display);font-size:20px;color:var(--ink)}
.kicker .rule{flex:0 0 46px;height:1px;background:var(--hair);transform:translateY(-5px)}
html[lang=zh] .kicker{font-family:var(--zh);letter-spacing:.12em}
h2{font-family:var(--display);font-weight:400;font-size:clamp(40px,5.2vw,66px);line-height:1.04;letter-spacing:-.01em;margin:0 0 28px;max-width:16ch}
html[lang=zh] h2{font-family:var(--zh);font-size:clamp(34px,4.4vw,54px);line-height:1.25;letter-spacing:.02em;max-width:20ch}
h3{font-family:var(--display);font-weight:400;font-size:30px;line-height:1.15;margin:0 0 12px}
html[lang=zh] h3{font-family:var(--zh);font-size:26px}
.lede{font-size:24px;line-height:1.48;color:var(--ink-2);max-width:var(--text)}
html[lang=zh] .lede{font-size:21px;line-height:1.8}
p{margin:0 0 1em}
.small{font-size:16px;color:var(--muted);line-height:1.5}
html[lang=zh] .small{font-size:15px}
.note{font-size:15.5px;color:var(--muted);line-height:1.5}
.fleuron{font-family:var(--display);text-align:center;color:var(--muted);font-size:26px;margin:80px 0 0;letter-spacing:.6em}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}*{animation:none!important;transition:none!important}}

/* tags, chips, labels */
.tag{display:inline-flex;align-items:center;justify-content:center;min-width:1.45em;height:1.45em;padding:0 .32em;border-radius:.32em;
  font-family:var(--body);font-weight:600;font-size:.78em;line-height:1;vertical-align:.08em;font-style:normal;color:#fff}
.tag.S{background:var(--green)}.tag.L{background:var(--letter)}.tag.R{background:var(--rule);color:var(--gyink)}
.tag.P,.tag.M{background:var(--grey-tag)}
.HOLD,.HELP{display:inline-block;font-family:var(--sc);font-size:.86em;letter-spacing:.06em;padding:.04em .5em .1em;border-radius:.35em;line-height:1.3;font-style:normal}
.HOLD{background:var(--green);color:#fff}.HELP{background:var(--purple);color:#fff}
.hold-t{color:var(--green);font-family:var(--sc);letter-spacing:.05em}.help-t{color:var(--purple);font-family:var(--sc);letter-spacing:.05em}
.gap-r{color:var(--amber)}.gap-l{color:var(--red)}.gap-v{color:var(--purple)}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--hair);border-radius:999px;padding:3px 11px;font-size:15px;color:var(--ink-2);background:var(--paper-hi)}
.pi{width:14px;height:14px;display:inline-block;vertical-align:-2px}

/* ---------------- hero ---------------- */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:110px 24px 130px;position:relative}
.hero .ring{width:min(240px,46vw);filter:drop-shadow(0 18px 24px rgba(80,60,20,.10));animation:float 9s ease-in-out infinite;will-change:transform}
@keyframes float{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-10px) rotate(2deg)}}
.hero h1{font-family:var(--display);font-weight:400;font-size:clamp(84px,13vw,168px);line-height:1;margin:22px 0 34px;letter-spacing:-.015em}
.hero h1 .ch{display:inline-block;opacity:0;transform:translateY(.25em);filter:blur(6px);animation:ch 1.4s var(--ease) forwards}
@keyframes ch{to{opacity:1;transform:none;filter:none}}
.hero .sub{font-family:var(--display);font-style:italic;font-size:clamp(22px,2.6vw,31px);color:var(--ink-2);max-width:24ch;line-height:1.25;margin:0 auto;opacity:0;animation:fade 1.6s .9s var(--ease) forwards}
html[lang=zh] .hero .sub{font-family:var(--zh);font-style:normal;max-width:22em}
.hero .meta{margin-top:34px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center;opacity:0;animation:fade 1.6s 1.3s var(--ease) forwards}
.hero .meta .chip{font-family:var(--sc);letter-spacing:.04em;font-size:14.5px}
html[lang=zh] .hero .meta .chip{font-family:var(--zh)}
.hero .meta .chip b{font-family:var(--display);font-weight:400;font-size:16px;color:var(--ink)}
@keyframes fade{to{opacity:1}}
.hero .cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);font-family:var(--sc);font-size:14px;color:var(--muted);letter-spacing:.14em;display:flex;flex-direction:column;align-items:center;gap:8px;opacity:0;animation:fade 2s 2s forwards}
.hero .cue i{display:block;width:1px;height:42px;background:linear-gradient(var(--muted),transparent);animation:drip 2.4s ease-in-out infinite;transform-origin:top}
@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
.values-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px;opacity:0;animation:fade 1.6s 1.1s forwards}
.values-row span{font-family:var(--sc);font-size:15px;letter-spacing:.06em;color:var(--grey-ink);padding:2px 12px;border-radius:6px;background:var(--grey-head)}
html[lang=zh] .values-row span{font-family:var(--zh)}

/* ---------------- I. Glaucon ---------------- */
.glaucon{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.glaucon blockquote{margin:0;font-family:var(--display);font-size:clamp(28px,3.3vw,42px);line-height:1.22;color:var(--ink)}
html[lang=zh] .glaucon blockquote{font-family:var(--zh);font-size:clamp(24px,2.7vw,34px);line-height:1.6}
.glaucon blockquote .w{opacity:.14;transition:opacity .5s}
.glaucon blockquote .w.shown{opacity:1}
.glaucon cite{display:block;margin-top:22px;font-style:normal;font-family:var(--sc);color:var(--muted);font-size:16px;letter-spacing:.06em}
.two-q{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:90px;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.two-q>div{padding:34px 34px 30px 0}
.two-q>div+div{padding-left:34px;border-left:1px solid var(--hair)}
.two-q h4{font-family:var(--sc);font-weight:400;font-size:18px;letter-spacing:.07em;margin:0 0 10px;color:var(--muted)}
html[lang=zh] .two-q h4{font-family:var(--zh)}
.two-q .q{font-family:var(--display);font-size:28px;line-height:1.25}
html[lang=zh] .two-q .q{font-family:var(--zh);font-size:23px;line-height:1.6}
.two-q .src{margin-top:14px}
.two-q .val .q{color:var(--green)}
.supports-intro{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:70px}
.support{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:18px;padding:26px 28px;display:grid;grid-template-columns:76px 1fr;gap:20px;align-items:start}
.support img{width:76px}
.support h4{margin:0 0 6px;font-family:var(--display);font-weight:400;font-size:25px}
html[lang=zh] .support h4{font-family:var(--zh);font-size:21px}
.support p{margin:0;font-size:18px;color:var(--ink-2)}

/* ---------------- II. Supports scrolly (Figure 1, live) ---------------- */
.scrolly{position:relative}
.scrolly .steps{position:relative;z-index:2;pointer-events:none}
.scrolly .step{height:85vh}
.scrolly .step:first-child{height:40vh}
.stage{position:sticky;top:64px;height:calc(100vh - 72px);display:flex;align-items:center;z-index:1}
.stage .wrap{width:100%}
.fig1{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:stretch}
.setting{background:var(--yellow);border-radius:16px;padding:18px 18px 16px;position:relative}
.blk-t{font-family:var(--body);font-weight:600;font-size:15px;color:var(--ink);margin-bottom:10px;letter-spacing:.01em}
.setting .blk-t{color:#7A5B12}
.setting .people{display:flex;gap:10px;margin-bottom:12px}
.setting .people figure{margin:0;text-align:center;flex:1}
.setting .people img{width:62px;margin:0 auto}
.setting .people figcaption{font-size:12.5px;line-height:1.2;color:var(--ink-2);margin-top:3px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:15px;line-height:1.35}
.kv .k{background:var(--yellow-lab);border-radius:5px;padding:1px 7px;font-size:12.5px;font-weight:600;color:#6B5212;align-self:start;margin-top:2px;text-align:center}
.kv .k.v{background:var(--yellow-deep)}
.kv q{font-style:italic;quotes:"\201C" "\201D"}
.hvs{background:var(--green-tint);border-radius:16px;padding:16px 18px;margin-top:12px;display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:center}
.hvs img{width:52px}
.hvs .blk-t{color:var(--green);margin-bottom:4px}
.hvs p{margin:0;font-size:14.5px;line-height:1.4}
.wl{display:inline-block;border-radius:5px;padding:0 6px;font-size:.92em;color:#fff;line-height:1.35}
.wl.s{background:var(--spirit)}.wl.r{background:var(--rule);color:var(--gyink)}.wl.l{background:var(--letter)}
.action{border:1.6px dashed #B9A8DA;border-radius:18px;padding:16px 16px 18px;position:relative}
.action .blk-t{color:var(--purple);display:flex;justify-content:space-between;align-items:center}
.models{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}
.mchip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--hair);background:var(--paper-hi);border-radius:999px;padding:3px 10px 3px 7px;font-size:13.5px;cursor:pointer;transition:all .25s;color:var(--ink-2);font-family:var(--body)}
.mchip img{width:14px;height:14px}
.mchip:hover{border-color:var(--ink-2);color:var(--ink)}
.mchip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.mchip.on img{filter:invert(1) grayscale(1) brightness(1.6)}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;position:relative}
.lv{border-radius:12px;overflow:hidden;background:var(--card-rule);transition:opacity .7s var(--ease),transform .7s var(--ease);display:flex;flex-direction:column}
.lv .lh{padding:7px 12px;font-weight:600;font-size:15px;display:flex;gap:8px;align-items:center}
.lv .lh .n{font-size:11.5px;background:rgba(255,255,255,.75);color:var(--gyink);border-radius:4px;padding:0 5px}
.lv.l1{background:var(--card-rule)}.lv.l1 .lh{background:var(--rule);color:var(--gyink)}
.lv.l2{background:var(--card-letter)}.lv.l2 .lh{background:var(--letter);color:#fff}
.lv.l3{background:var(--card-spirit)}.lv.l3 .lh{background:var(--spirit);color:#fff}
.lv .cond{padding:9px 12px 4px;font-size:13.5px;line-height:1.35;min-height:84px}
.lv .cond div{margin-bottom:4px}
.sq{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px;vertical-align:1px;border:1.4px solid var(--purple)}
.sq.on{background:var(--purple)}
.lv .bot{display:flex;justify-content:center;padding:6px 0 0}
.lv .bot img{width:56px}
.reply{margin:8px 10px 10px;border-radius:10px;padding:9px 11px;font-size:13.5px;line-height:1.38;min-height:130px;transition:background .5s;position:relative}
.reply.hold{background:var(--green-bg)}.reply.help{background:#F6D9D0}
.reply .rt{font-weight:600;font-size:14px;margin-bottom:4px;display:flex;justify-content:space-between;gap:6px}
.reply.hold .rt{color:var(--green)}.reply.help .rt{color:var(--red)}
.reply .q{font-style:italic;color:var(--ink-2)}
.reply .calls{font-family:var(--mono);font-size:11.5px;color:var(--gyink);margin:4px 0;word-break:break-word}
.lv.hide{opacity:.12;transform:translateY(8px)}
.gaps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:6px;height:44px;position:relative}
.gaps svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.gaplab{position:absolute;top:22px;font-weight:600;font-size:13.5px;white-space:nowrap;transform:translateX(-50%);transition:opacity .5s}
.judg{margin-top:10px;border:1.6px dashed #B9A8DA;border-radius:14px;padding:10px 14px;display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;transition:opacity .7s}
.judg .blk-t{margin:0;color:var(--purple)}
.judg .box{border:1.6px solid var(--purple);border-radius:10px;padding:6px 10px;font-size:13.5px;background:var(--paper-hi)}
.judg .box b{color:var(--purple);font-family:var(--sc);letter-spacing:.04em;font-weight:400}
.judg.hide{opacity:.12}
.stepcard{pointer-events:auto;max-width:360px;background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:16px;padding:20px 22px;box-shadow:0 20px 40px -24px rgba(60,40,10,.25);font-size:17.5px;line-height:1.5;margin-left:auto}
.stepcard .sn{font-family:var(--sc);color:var(--muted);font-size:14px;letter-spacing:.08em;margin-bottom:6px}
html[lang=zh] .stepcard .sn{font-family:var(--zh)}
.stepcard h4{margin:0 0 8px;font-family:var(--display);font-weight:400;font-size:24px;line-height:1.15}
html[lang=zh] .stepcard h4{font-family:var(--zh);font-size:21px}
.stepcard p{margin:0}
.scrolly .steps .wrap{display:block}
.fig1-cap{font-size:14px;color:var(--muted);margin-top:10px}
.narr{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:end;margin-bottom:20px;min-height:84px}
.narr .pips{display:flex;gap:6px;margin-bottom:10px}
.narr .pips button{width:24px;height:24px;border-radius:50%;border:1px solid var(--hair);background:transparent;font-family:var(--display);font-size:13px;line-height:22px;color:var(--muted);cursor:pointer;padding:0;transition:background .3s,color .3s,border-color .3s}
.narr .pips button:hover{border-color:var(--ink-2);color:var(--ink)}
.narr .pips button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.narr .sn{font-family:var(--sc);color:var(--muted);font-size:14px;letter-spacing:.08em;margin-bottom:4px}
html[lang=zh] .narr .sn{font-family:var(--zh)}
.narr h4{margin:0;font-family:var(--display);font-weight:400;font-size:26px;line-height:1.12}
html[lang=zh] .narr h4{font-family:var(--zh);font-size:22px;line-height:1.4}
.narr .np{font-size:18px;line-height:1.5;color:var(--ink-2);max-width:66ch}
.narr .np p{margin:0}
#nh,#np{transition:opacity .3s var(--ease),transform .3s var(--ease)}
.narr.swap #nh,.narr.swap #np{opacity:0;transform:translateY(6px)}
.scrolly .stepcard{visibility:hidden}
#stage>.wrap{transform-origin:center center}

/* ---------------- III. Hierarchy ---------------- */
.hier{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;margin-top:30px}
.strata{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px}
.stratum{position:relative;border-radius:14px;padding:18px 22px;color:#fff;cursor:pointer;transition:transform .5s var(--ease),box-shadow .5s,filter .4s;text-align:center}
.stratum .nm{font-family:var(--display);font-size:32px;line-height:1}
html[lang=zh] .stratum .nm{font-family:var(--zh);font-size:27px}
.stratum .df{font-size:15.5px;line-height:1.35;opacity:.92;margin-top:6px}
.stratum.sp{background:var(--spirit);width:62%}
.stratum.ru{background:var(--rule);color:var(--gyink);width:98%}
.stratum.le{background:var(--letter);width:80%}
.stratum:hover,.stratum.on{transform:translateY(-3px);box-shadow:0 18px 30px -18px rgba(40,20,60,.45)}
.strata .phil{position:absolute;top:0;left:50%;transform:translateX(-50%);width:84px}
.strata .arrow{font-size:14px;color:var(--muted);font-family:var(--sc);letter-spacing:.06em}
.stratum{transition:transform .5s var(--ease),box-shadow .5s,filter .5s,opacity .5s}
.stratum.gone{opacity:.22;filter:grayscale(.7);transform:scale(.97)}
.stratum.gone::after{content:attr(data-gone);position:absolute;right:12px;top:10px;font-family:var(--sc);font-size:12.5px;letter-spacing:.06em;color:var(--ink);opacity:.9}
.stratum.cue{box-shadow:0 0 0 2.5px var(--paper),0 0 0 4.5px var(--ink-2)}
.strata .arrow{transition:opacity .5s}
.strata .arrow.gone{opacity:.25}
.stratum .ltag{position:absolute;left:12px;top:10px;font-family:var(--display);font-size:13px;line-height:1;padding:3px 7px;border-radius:6px;background:rgba(255,255,255,.88);color:var(--gyink)}
.lsw{display:flex;align-items:center;gap:6px;margin-top:22px}
.lsw .lb{font-family:var(--sc);font-size:13.5px;color:var(--muted);letter-spacing:.06em;margin-right:6px}
html[lang=zh] .lsw .lb{font-family:var(--zh)}
.lsw button{font-family:var(--display);font-size:15px;border:1px solid var(--hair);background:var(--paper-hi);color:var(--ink-2);border-radius:999px;padding:3px 13px;cursor:pointer;transition:background .3s,color .3s,border-color .3s}
.lsw button:hover{border-color:var(--ink-2);color:var(--ink)}
.lsw button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.lcap{max-width:470px;text-align:center;text-wrap:pretty;font-size:15.5px;line-height:1.5;color:var(--ink-2);min-height:4.6em;margin-top:10px}
.lcap b{font-weight:600}
.lit{border-left:2px solid var(--hair);padding-left:22px}
.lit .ln{margin-bottom:22px;transition:opacity .4s}
.lit .ln h5{margin:0 0 4px;font-family:var(--sc);font-weight:400;font-size:17px;letter-spacing:.06em;color:var(--muted)}
html[lang=zh] .lit .ln h5{font-family:var(--zh)}
.lit .ln p{margin:0;font-size:18px}
.pull{font-family:var(--display);font-style:italic;font-size:25px;line-height:1.35;color:var(--ink-2);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:22px 0;margin:60px 0 0;max-width:820px}
.pull .who{display:block;font-style:normal;font-family:var(--sc);font-size:15px;color:var(--muted);margin-top:10px;letter-spacing:.05em}
.eq{margin:90px 0 0;text-align:center}
.eq .tex{font-family:var(--display);font-size:clamp(26px,3.2vw,40px);line-height:1.6;word-spacing:.04em}
.eq .tex .hold{color:var(--green);margin:0 .06em}
.eq .tex .op{margin:0 .12em}
.eq .tex .one{font-family:var(--body);font-weight:600;font-variant-numeric:lining-nums;font-style:normal}
.eq .tex sup{font-size:.55em}
.eq .tex i{font-style:italic}
.eq .f{cursor:pointer;padding:0 .12em;border-radius:.2em;transition:background .3s,color .3s;border-bottom:2px solid transparent}
.eq .f.S{color:var(--green)}
.eq .f.x{color:var(--muted)}
.eq .f:hover,.eq .f.on{background:var(--paper-lo)}
.eq .sub{font-size:16px;color:var(--muted);margin-top:8px}
.factors{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:46px}
.factor{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:16px;padding:18px 16px 16px;transition:transform .45s var(--ease),border-color .3s,box-shadow .45s;cursor:default}
.factor img{height:62px;width:auto;margin:0 0 12px}
.factor .fh{display:flex;align-items:center;gap:8px;font-weight:600;font-size:18px}
.factor .fv{font-size:13.5px;color:var(--muted);margin:2px 0 8px;font-family:var(--mono)}
.factor p{font-size:15.5px;line-height:1.42;margin:0;color:var(--ink-2)}
.factor .should{margin-top:10px;font-family:var(--sc);font-size:13.5px;letter-spacing:.05em}
html[lang=zh] .factor .should{font-family:var(--zh)}
.factor.S{background:var(--green-tint);border-color:#CFE3BF}
.factor.S .should{color:var(--green)}
.factor:not(.S) .should{color:var(--muted)}
.factor.on{transform:translateY(-6px);box-shadow:0 22px 30px -22px rgba(40,30,10,.35);border-color:var(--ink-2)}

/* ---------------- IV. Anatomy / composer ---------------- */
.composer{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:30px;margin-top:40px;align-items:start}
.doc{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:6px 22px 6px 6px;box-shadow:0 30px 50px -40px rgba(60,40,10,.4);position:relative;padding:30px 30px 26px 56px;font-size:15.5px;line-height:1.5;min-height:560px}
.doc::after{content:"";position:absolute;top:-1px;right:-1px;width:30px;height:30px;background:linear-gradient(225deg,var(--paper) 50%,var(--hair-2) 50%,#F2ECDD 56%);border-bottom-left-radius:6px}
.doc .sec{font-family:var(--sc);font-size:13px;letter-spacing:.12em;color:var(--muted);margin:16px 0 6px}
.doc .sec:first-child{margin-top:0}
.doc .line{position:relative;white-space:pre-wrap;word-break:break-word;border-radius:5px;padding:1px 6px;margin:0 -6px;transition:background .6s}
.doc .line .mk{position:absolute;left:-40px;top:2px}
.doc .line.fS{background:var(--green-tint)}
.doc .line.fR{background:var(--card-rule)}
.doc .line.fM{background:#EFEDF2}
.doc .line.fL{background:var(--card-letter)}
.doc .line.fP{background:#EFEDF2}
.doc .line.flash{animation:flash 1.3s var(--ease)}
@keyframes flash{0%{background:var(--yellow-2)}100%{}}
.doc .user{font-style:italic}
.doc .tools{margin-top:6px;display:grid;gap:6px}
.doc .tool{font-size:13.5px;line-height:1.4;color:var(--ink-2)}
.doc .tool .mono{color:var(--gyink);font-weight:500;font-size:13px}
.doc .blank{height:.6em}
.panel{position:sticky;top:76px;display:flex;flex-direction:column;gap:12px}
.ctl{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:14px;padding:12px 14px}
.ctl .ch{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15.5px;margin-bottom:8px}
.ctl .ch img{height:24px;width:auto}
.ctl .ch .sm{margin-left:auto;font-weight:400;font-size:12.5px;color:var(--muted)}
.seg{display:flex;background:var(--paper-lo);border-radius:10px;padding:3px;gap:2px}
.seg button{flex:1;border:0;background:none;border-radius:8px;padding:5px 6px;font-size:14px;cursor:pointer;color:var(--ink-2);transition:background .25s,color .25s,box-shadow .25s;line-height:1.25}
.seg button.on{background:var(--paper-hi);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seg button:disabled{opacity:.35;cursor:not-allowed}
.seg.S button.on{background:var(--green);color:#fff}
.seg.L button.on{background:var(--letter);color:#fff}
.seg.R button.on{background:var(--rule);color:var(--gyink)}
.ctl.off{opacity:.55}
.verdict{border-radius:14px;padding:14px 16px;display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center;transition:background .5s}
.verdict.hold{background:var(--green-bg)}.verdict.help{background:var(--help-bg)}
.verdict svg{width:44px;height:44px}
.verdict .vt{font-weight:600;font-size:17px}
.verdict.hold .vt{color:var(--green)}.verdict.help .vt{color:var(--purple)}
.verdict .vs{font-size:13.5px;color:var(--ink-2);line-height:1.35}
.itemid{font-family:var(--mono);font-size:12px;color:var(--muted);text-align:center}
.famsel{appearance:none;width:100%;border:1px solid var(--hair);background:var(--paper-hi) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%23857D70' fill='none' stroke-width='1.6'/></svg>") no-repeat right 12px center;border-radius:10px;padding:8px 32px 8px 12px;font:inherit;font-size:15px;cursor:pointer;color:var(--ink)}
.whybox{margin-top:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.why{border-top:1px solid var(--hair);padding-top:12px}
.why h5{margin:0 0 6px;font-family:var(--sc);font-weight:400;font-size:15px;letter-spacing:.06em;color:var(--muted)}
html[lang=zh] .why h5{font-family:var(--zh)}
.why p{font-size:15.5px;line-height:1.5;margin:0;color:var(--ink-2)}
.defn{margin-top:18px;background:var(--card-letter);border-radius:12px;padding:12px 16px;font-size:15px;line-height:1.5}
.defn b{color:var(--purple)}

/* ---------------- V. Scale ---------------- */
.scale{display:grid;grid-template-columns:300px 1fr;gap:40px;margin-top:40px;align-items:start}
.arith{font-family:var(--display);font-size:24px;line-height:1.6}
html[lang=zh] .arith{font-family:var(--body)}
.arith .big{font-size:76px;line-height:1;display:block;margin:6px 0 4px}
.arith .row{display:flex;justify-content:space-between;border-bottom:1px solid var(--hair-2);font-size:17px;padding:5px 0;font-family:var(--body)}
.arith .row b{font-weight:500}
.dotfield{width:100%;height:auto;overflow:visible}
.dotfield .lab{font-family:var(--sc);font-size:11px;fill:var(--muted);letter-spacing:.05em}
.dotfield .dl{font-family:var(--body);font-size:12.5px;fill:var(--ink-2)}
.dotfield circle{transition:opacity .6s, r .3s}

/* ---------------- VI. Atlas ---------------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 22px;align-items:center}
.filters .lb{font-family:var(--sc);font-size:14px;color:var(--muted);letter-spacing:.06em;margin-right:4px}
html[lang=zh] .filters .lb{font-family:var(--zh)}
.fbtn{border:1px solid var(--hair);background:var(--paper-hi);border-radius:999px;padding:3px 12px;font-size:14.5px;cursor:pointer;color:var(--ink-2);transition:all .2s}
.fbtn.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.atlas{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.vcol h4{margin:0 0 10px;display:flex;align-items:center;justify-content:space-between;font-family:var(--display);font-weight:400;font-size:26px}
html[lang=zh] .vcol h4{font-family:var(--zh);font-size:22px}
.vcol h4 small{font-family:var(--body);font-size:14px;color:var(--muted)}
.fcard{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:12px;padding:10px 12px 9px;margin-bottom:9px;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s,opacity .35s,border-color .3s;position:relative}
.fcard:hover{transform:translateY(-2px);box-shadow:0 14px 24px -18px rgba(40,30,10,.4);border-color:var(--hair)}
.fcard .top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.fcard .pid{font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.fcard .dom{font-size:15.5px;line-height:1.25;margin:2px 0 6px}
.fcard .meta{display:flex;gap:6px;flex-wrap:wrap}
.fcard .meta span{font-size:11.5px;border-radius:5px;padding:0 6px;background:var(--paper-lo);color:var(--ink-2)}
.fcard .meta span.op{background:#EFE3C8;color:#6B5212}
.fcard .dots{display:flex;gap:2.5px;margin-top:7px}
.fcard .dots i{width:7px;height:7px;border-radius:50%;border:1.2px solid var(--green-soft)}
.fcard .dots i.y{background:var(--green-soft)}
.fcard.sealed{background:repeating-linear-gradient(-45deg,var(--paper-lo),var(--paper-lo) 6px,var(--paper) 6px,var(--paper) 12px);cursor:default}
.fcard.sealed .dom{color:var(--muted);font-style:italic}
.fcard.dim{opacity:.18}
.fcard.sel{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}

/* ---------------- VII. Explorer ---------------- */
.explorer{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;margin-top:30px;align-items:start}
.exl{position:sticky;top:76px;display:flex;flex-direction:column;gap:14px}
.grid22{display:grid;grid-template-columns:auto 1fr 1fr;gap:5px;font-size:13.5px}
.grid22 .hd{font-weight:600;text-align:center;padding:3px;border-radius:6px;font-size:13px}
.grid22 .hd.sp{background:var(--green-bg);color:var(--green)}.grid22 .hd.sm{background:var(--help-bg);color:var(--purple)}
.grid22 .rh{font-weight:600;color:#fff;background:var(--letter);border-radius:6px;padding:3px 7px;font-size:12.5px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.grid22 button{border:1px solid var(--hair);background:var(--paper-hi);border-radius:8px;padding:6px 4px;cursor:pointer;font-size:13px;transition:all .2s}
.grid22 button.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.grid22 button .g{display:block;font-family:var(--sc);font-size:12px;letter-spacing:.05em}
.grid22 button.sp .g{color:var(--green)}.grid22 button.sm .g{color:var(--purple)}
.xbtn{grid-column:2 / span 2;}
.mlist{display:flex;flex-direction:column;gap:3px}
.mrow{display:grid;grid-template-columns:16px 1fr auto;gap:8px;align-items:center;padding:4px 8px;border-radius:8px;cursor:pointer;font-size:14.5px;transition:background .2s}
.mrow:hover{background:var(--paper-lo)}
.mrow.on{background:var(--ink);color:var(--paper)}
.mrow img{width:15px;height:15px}
.mrow.on img{filter:invert(1) grayscale(1) brightness(1.6)}
.mrow .lb{font-family:var(--sc);font-size:12px;letter-spacing:.05em;padding:0 6px;border-radius:5px}
.mrow .lb.hold{background:var(--green-bg);color:var(--green)}.mrow .lb.help{background:var(--help-bg);color:var(--purple)}
.mrow .lb.wrong{box-shadow:inset 0 0 0 1.4px var(--red)}
.mrow.on .lb{box-shadow:none}
.exr{min-width:0}
.ctx{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:14px;margin-bottom:16px}
.ctx summary{cursor:pointer;padding:12px 16px;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.ctx summary::-webkit-details-marker{display:none}
.ctx summary::after{content:"+";font-family:var(--display);font-size:22px;color:var(--muted);transition:transform .3s}
.ctx[open] summary::after{transform:rotate(45deg)}
.ctx .in{padding:0 18px 16px;font-size:14.5px;line-height:1.5;white-space:pre-wrap;color:var(--ink-2)}
.ctx .in .hl{background:var(--yellow-2);border-radius:3px}
.turn{display:grid;grid-template-columns:54px 1fr;gap:14px;margin:14px 0}
.turn .av{width:54px}
.bubble{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:4px 16px 16px 16px;padding:12px 16px;font-size:15.5px;line-height:1.55;position:relative}
.bubble.user{background:var(--card-letter);border-color:transparent;font-style:italic}
.bubble .who{font-size:13px;color:var(--muted);font-style:normal;margin-bottom:4px;display:flex;align-items:center;gap:6px}
.bubble .who img{width:13px;height:13px}
.bubble .txt{white-space:pre-wrap;word-break:break-word}
.callchip{display:block;font-family:var(--mono);font-size:12.5px;background:#F1ECF8;border-radius:8px;padding:6px 10px;margin:6px 0;color:var(--gyink);word-break:break-word}
.callchip b{font-weight:500;color:var(--purple)}
.verdictrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:4px 0 18px 68px;font-size:14.5px}
.verdictrow .why{border:0;padding:0;color:var(--ink-2);font-style:italic;flex:1 1 300px;font-size:14.5px}
.mark{font-family:var(--sc);font-size:13px;letter-spacing:.05em;padding:1px 8px;border-radius:6px}
.mark.ok{background:var(--green-tint);color:var(--green)}.mark.bad{background:var(--red-tint);color:var(--red)}
.probe{border:1.6px dashed #B9A8DA;border-radius:14px;padding:12px 16px;margin:18px 0 0 68px;font-size:14.5px}
.probe .pt{font-weight:600;color:var(--purple);font-size:14px;margin-bottom:4px}
.matrix{margin-top:24px;overflow-x:auto}
.matrix table{border-collapse:collapse;font-size:12.5px}
.matrix th{font-weight:500;color:var(--muted);padding:2px 5px;font-size:11.5px;white-space:nowrap}
.matrix td{padding:2px 4px;text-align:center}
.matrix td.nm{text-align:left;white-space:nowrap;font-size:13px;padding-right:10px}
.matrix td.nm img{width:12px;height:12px;display:inline;vertical-align:-1px;margin-right:5px}
.matrix .d{display:inline-block;width:13px;height:13px;border-radius:50%;cursor:pointer;transition:transform .2s}
.matrix .d:hover{transform:scale(1.35)}
.matrix .d.h{background:var(--green-soft)}.matrix .d.p{background:var(--purple-pt)}
.matrix .d.x{box-shadow:0 0 0 1.6px var(--paper),0 0 0 2.8px var(--red)}
.matrix .d.cur{outline:2px solid var(--ink);outline-offset:2px}
.matrix .sep{border-left:1px solid var(--hair)}
.stories{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.story{flex:1 1 220px;border:1px solid var(--hair-2);background:var(--paper-hi);border-radius:14px;padding:12px 14px;cursor:pointer;display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:center;transition:all .3s var(--ease);text-align:left}
.story:hover{transform:translateY(-2px);border-color:var(--hair)}
.story img{width:42px}
.story b{display:block;font-weight:600;font-size:15px}
.story span{font-size:13.5px;color:var(--muted);line-height:1.3;display:block}

/* ---------------- VIII. Results ---------------- */
.res-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:44px;margin-top:40px;align-items:start}
.chart{width:100%;height:auto;overflow:visible;font-family:var(--body)}

.chart .ax{stroke:var(--hair);stroke-width:1}
.chart .tk{font-size:12px;fill:var(--muted);font-family:var(--body)}
.chart .lvl{font-family:var(--sc);font-size:15px;fill:var(--ink);letter-spacing:.06em}
.chart .ln{fill:none;stroke-width:1.6;stroke:#B9B3A6;transition:stroke .3s,stroke-width .3s,opacity .3s}
.chart .pt{transition:r .3s,opacity .3s}
.chart .g.hl .ln{stroke-width:2.6}
.chart.focus .g{opacity:.16}
.chart.focus .g.hl{opacity:1}
.chart .nm{font-size:12.5px;fill:var(--ink-2);transition:opacity .3s}
.legend{display:flex;flex-direction:column;gap:2px}
.legend .mrow{grid-template-columns:16px 1fr auto auto;font-size:14px;padding:3px 8px}
.legend .mrow .v{font-variant-numeric:tabular-nums lining-nums;font-size:13.5px;color:var(--muted);min-width:24px;text-align:right}
.legend .mrow.on .v{color:var(--paper)}
.takeaway{background:var(--green-tint);border-radius:14px;padding:16px 20px;font-size:18px;line-height:1.5;margin-top:24px}
.takeaway b{color:var(--green);font-weight:600;margin-right:8px}
.findings{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:70px}
.finding .big{font-family:var(--display);font-size:64px;line-height:1}
.finding .big small{font-size:24px;color:var(--muted)}
.finding p{font-size:17px;margin:6px 0 0;color:var(--ink-2)}
.measures{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:40px}
.meas{background:var(--paper-hi);border:1px solid var(--hair-2);border-top:3px solid var(--c);border-radius:14px;padding:16px 16px 14px;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease);position:relative}
.meas:hover{transform:translateY(-3px);box-shadow:0 18px 30px -22px rgba(60,40,10,.35)}
.meas.r{--c:#A8721A}.meas.l{--c:#A6402E}.meas.v{--c:#7953B7;background:#F8F5FF}.meas.o{--c:#5A5366}
.meas img{position:absolute;top:12px;right:12px;width:40px;height:40px;object-fit:contain;opacity:.9}
.meas .mh{display:flex;flex-direction:column;gap:2px;padding-right:44px}
.meas .nm{font-weight:600;color:var(--c);font-size:17px}
.meas .st{font-family:var(--sc);font-size:13px;color:var(--muted);letter-spacing:.05em}
html[lang=zh] .meas .st{font-family:var(--zh)}
.meas .sym{font-family:var(--display);font-size:24px;margin:10px 0 6px;color:var(--ink)}
.meas p{margin:0;font-size:14.5px;line-height:1.45;color:var(--ink-2)}
.vbars{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.vbars.m .fl{background:#A48BD8}
.vanote{margin-top:5px;font-size:13px;color:var(--muted)}
.vanote.on{color:var(--purple);font-weight:600}
.gaplab.va{transform:none;top:4px;white-space:normal;line-height:1.1;max-width:120px}
.vbar{display:grid;grid-template-columns:150px 1fr 64px;gap:10px;align-items:center;font-size:14px}
.vbar .nm{display:flex;align-items:center;gap:6px;white-space:nowrap}
.vbar .nm img{width:13px;height:13px}
.vbar .tr{height:12px;background:var(--paper-lo);border-radius:6px;position:relative;overflow:hidden}
.vbar .fl{position:absolute;left:0;top:0;bottom:0;background:var(--purple);border-radius:6px;width:0;transition:width 1.4s var(--ease)}
.vbar .vv{font-variant-numeric:tabular-nums lining-nums;color:var(--ink-2);text-align:right}
.vbar .vv small{color:var(--muted)}
.pm{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin-top:16px}
.spark{background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:12px;padding:8px 10px;display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:10px;align-items:end}
.spark .t{grid-column:1/-1;margin-bottom:2px}
.spark .bs{padding-bottom:6px;min-width:44px}
.spark .t{font-size:13px;display:flex;align-items:center;gap:5px;white-space:nowrap;overflow:hidden}
.spark .t img{width:12px;height:12px}
.spark svg{width:100%;height:50px;overflow:visible}
.spark .b{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums lining-nums}
.spark .b.sig{color:var(--ink);font-weight:600}
.tbl-wrap{overflow-x:auto;margin-top:26px;border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink)}
table.t1{border-collapse:collapse;width:100%;font-size:14.5px;font-variant-numeric:tabular-nums lining-nums;min-width:980px}
table.t1 th{font-weight:500;padding:6px 5px;text-align:center;font-size:13px;color:var(--ink-2);cursor:pointer;user-select:none;white-space:nowrap}
table.t1 th.grp{cursor:default;border-bottom:1px solid var(--hair);font-size:13.5px;color:var(--ink)}
table.t1 td{padding:5px 6px;text-align:center;border-top:1px solid var(--hair-2)}
table.t1 td:first-child,table.t1 th:first-child{text-align:left}
table.t1 td.m{white-space:nowrap}
table.t1 td.m img{width:13px;height:13px;display:inline;vertical-align:-1px;margin-right:6px}
table.t1 .best{background:var(--green-mist);font-weight:600;border-radius:5px}
table.t1 .second{text-decoration:underline;text-underline-offset:3px}
table.t1 .sig{background:#E2E2E6;border-radius:5px}
table.t1 tr:hover td{background:var(--paper-lo)}
table.t1 th.sorted{color:var(--ink)}
.cap{font-size:14.5px;color:var(--muted);margin-top:10px;line-height:1.5}

/* ---------------- IX. Validation ---------------- */
.pipeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:46px;position:relative}
.pipeline::before{content:"";position:absolute;left:0;right:0;top:27px;height:1px;background:var(--hair)}
.pst{position:relative;padding:0 14px 0 0}
.pst .dot{width:55px;height:55px;border-radius:50%;background:var(--paper-hi);border:1px solid var(--hair);display:flex;align-items:center;justify-content:center;position:relative;z-index:1}
.pst .dot img{width:34px}
.pst h5{margin:14px 0 4px;font-family:var(--body);font-weight:600;font-size:17px}
.pst .n{font-family:var(--display);font-size:34px;line-height:1.1;margin:4px 0}
.pst p{font-size:15px;line-height:1.45;color:var(--ink-2);margin:0}

/* ---------------- footer ---------------- */
.cite{margin-top:40px;background:var(--paper-hi);border:1px solid var(--hair-2);border-radius:14px;padding:20px 22px;font-family:var(--mono);font-size:13px;line-height:1.6;white-space:pre;overflow-x:auto;position:relative}
.cite button{position:absolute;top:12px;right:12px;border:1px solid var(--hair);background:var(--paper);border-radius:8px;padding:3px 10px;font-family:var(--body);font-size:13px;cursor:pointer}
footer{padding:120px 0 80px;text-align:center}
footer .ring{width:70px;margin:0 auto 18px;opacity:.9}
footer .fin{font-family:var(--display);font-size:34px}
footer .small{margin-top:10px}

/* ---------------- responsive ---------------- */
@media (max-width:1080px){
  .fig1{grid-template-columns:1fr}.fig1 .left{display:grid;grid-template-columns:1fr 1fr;gap:12px}.hvs{margin-top:0}
  .stage{position:relative;top:0;height:auto}
  .scrolly .step{height:auto;padding:14px 0}.scrolly .step:first-child{height:auto}.scrolly .step:last-child{display:none}
  .scrolly .steps{pointer-events:auto}.scrolly .stepcard{visibility:visible;max-width:none;margin:0}
  .narr{display:none}
  .lv.hide,.judg.hide{opacity:1;transform:none}
  .composer{grid-template-columns:1fr}.panel{position:relative;top:0}
  .explorer{grid-template-columns:1fr}.exl{position:relative;top:0}
  .res-grid{grid-template-columns:minmax(0,1fr)}
  .factors{grid-template-columns:repeat(3,1fr)}
  .measures{grid-template-columns:repeat(2,minmax(0,1fr))}
  .atlas{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  body{font-size:18px}
  .wrap{padding:0 16px}
  .chapter{padding:110px 0 30px}
  .glaucon,.hier,.two-q,.supports-intro,.scale,.whybox{grid-template-columns:minmax(0,1fr);gap:30px}
  .two-q>div+div{padding-left:0;border-left:0;border-top:1px solid var(--hair)}
  .fig1 .left{grid-template-columns:1fr}
  .cols3{grid-template-columns:1fr}.gaps{display:none}
  .factors{grid-template-columns:1fr 1fr}
  .atlas{grid-template-columns:1fr}
  .findings{grid-template-columns:1fr}
  .measures{grid-template-columns:minmax(0,1fr)}
  .pipeline{grid-template-columns:1fr;gap:22px}.pipeline::before{display:none}
  .doc{padding:22px 16px 20px 40px}
  .vbar{grid-template-columns:110px 1fr 54px}
  .verdictrow,.probe{margin-left:0}
  .hscroll .chart{min-width:600px}.hscroll .dotfield{min-width:720px}
  .hscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -16px;padding:0 16px}
  .cite{font-size:11px;padding:44px 14px 16px}
  .hero .values-row span{font-size:13.5px;padding:2px 9px}
}