:root{
  --primary:#5b5ce2;
  --primary-deep:#3f40ac;
  --primary-soft:#efefff;
  --accent:#8f62d8;
  --accent-soft:#f4effc;
  --signal:#25bfa8;
  --bg:#f3f3f6;
  --card:#ffffff;
  --card-soft:#f8f8fb;
  --ink:#17182b;
  --muted:#74778b;
  --line:#dedfe8;
  --ok:#1ca67a;
  --shadow-soft:0 14px 40px rgba(25,26,48,.07);
  --shadow-lift:0 28px 70px rgba(25,26,48,.12);
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.evidence-doc{
  margin:0;
  color:var(--ink);
  background:
    linear-gradient(rgba(91,92,226,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(91,92,226,.035) 1px,transparent 1px),
    radial-gradient(circle at 88% 0,rgba(143,98,216,.12),transparent 30rem),
    var(--bg);
  background-size:32px 32px,32px 32px,auto,auto;
  font:15px/1.72 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
body.evidence-doc a{color:inherit}
body.evidence-doc a:focus-visible{outline:3px solid rgba(91,92,226,.28);outline-offset:3px}
body.evidence-doc .shell,
body.evidence-doc .wrap{width:min(1160px,calc(100% - 40px));margin:auto;padding:20px 0 88px}
body.evidence-doc .topbar{
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-bottom:14px;
  padding:8px 10px 8px 18px;
  border:1px solid rgba(91,92,226,.16);
  border-radius:14px;
  background:rgba(255,255,255,.82);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(16px);
}
body.evidence-doc .back,
body.evidence-doc .topnav a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}
body.evidence-doc .back{font-weight:850;letter-spacing:-.02em}
body.evidence-doc .back:before{content:"01";margin-right:10px;color:var(--primary);font:800 10px/1 var(--mono)}
body.evidence-doc .topnav{display:flex;gap:4px;color:var(--muted);font-size:12px}
body.evidence-doc .topnav a{padding:0 12px;border-radius:9px}
body.evidence-doc .topnav a:hover{color:var(--primary-deep);background:var(--primary-soft)}
body.evidence-doc .hero{
  position:relative;
  overflow:hidden;
  min-height:430px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:clamp(40px,7vw,78px);
  border:1px solid rgba(91,92,226,.2);
  border-radius:18px 18px 72px 18px;
  background:
    linear-gradient(110deg,rgba(255,255,255,.98) 0 59%,rgba(223,234,255,.86) 59%),
    var(--card);
  box-shadow:var(--shadow-lift);
}
body.evidence-doc .hero:before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:8px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
body.evidence-doc .hero:after{
  content:"";
  position:absolute;
  right:-110px;
  top:-140px;
  width:460px;
  height:460px;
  border:46px solid rgba(91,92,226,.09);
  border-radius:50%;
  box-shadow:0 0 0 1px rgba(91,92,226,.24),inset 0 0 0 1px rgba(91,92,226,.2);
}
body.evidence-doc .kicker,
body.evidence-doc .tag,
body.evidence-doc .eyebrow{
  color:var(--primary);
  font:850 11px/1 var(--mono);
  letter-spacing:.15em;
  text-transform:uppercase;
}
body.evidence-doc .hero h1{
  position:relative;
  z-index:1;
  max-width:820px;
  margin:20px 0 16px;
  color:var(--ink);
  font-size:clamp(48px,7.5vw,86px);
  line-height:.98;
  letter-spacing:-.075em;
}
body.evidence-doc .lead,
body.evidence-doc .hero p{position:relative;z-index:1;max-width:700px;margin:0;color:var(--muted);font-size:18px}
body.evidence-doc .metrics{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  margin-top:34px;
}
body.evidence-doc .metric{
  padding:15px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.74);
}
body.evidence-doc .metric:first-child{border-top:3px solid var(--accent)}
body.evidence-doc .metric small{display:block;color:var(--muted);font:700 9px/1.2 var(--mono);letter-spacing:.08em}
body.evidence-doc .metric strong{display:block;margin-top:7px;font-size:14px}
body.evidence-doc .ok,
body.evidence-doc .pass{color:var(--ok)!important;font-weight:800}
body.evidence-doc .toc{
  position:sticky;
  top:12px;
  z-index:8;
  display:flex;
  gap:4px;
  overflow:auto;
  margin:18px 0;
  padding:6px;
  border:1px solid rgba(91,92,226,.16);
  border-radius:12px;
  background:rgba(244,248,255,.9);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(16px);
}
body.evidence-doc .toc a{
  flex:0 0 auto;
  min-height:40px;
  display:inline-flex;
  align-items:center;
  padding:0 13px;
  border-radius:8px;
  color:var(--muted);
  text-decoration:none;
  font-size:12px;
  font-weight:780;
}
body.evidence-doc .toc a:hover{color:#fff;background:var(--primary)}
body.evidence-doc .section{
  position:relative;
  scroll-margin-top:86px;
  margin-top:12px;
  padding:clamp(25px,4vw,42px);
  border:1px solid var(--line);
  border-radius:10px 10px 34px 10px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-soft);
}
body.evidence-doc .section:before{
  content:"";
  position:absolute;
  left:-1px;
  top:28px;
  width:4px;
  height:42px;
  background:linear-gradient(var(--primary),var(--accent));
}
body.evidence-doc .section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
body.evidence-doc .section h2{margin:0;color:var(--ink);font-size:clamp(25px,3.4vw,38px);letter-spacing:-.045em}
body.evidence-doc .section>p{color:var(--muted)}
body.evidence-doc .grid,
body.evidence-doc .evidence{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}
body.evidence-doc .card,
body.evidence-doc .item,
body.evidence-doc .sample{
  min-height:112px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:9px 9px 22px 9px;
  background:linear-gradient(145deg,#fff,var(--card-soft));
}
body.evidence-doc .card b,
body.evidence-doc .item b,
body.evidence-doc .sample b{display:block;margin-bottom:6px;color:var(--ink)}
body.evidence-doc .card span,
body.evidence-doc .card li,
body.evidence-doc .item span,
body.evidence-doc .sample small{color:var(--muted);font-size:12px}
body.evidence-doc .card ul{margin:7px 0 0;padding-left:18px}
body.evidence-doc table,
body.evidence-doc .spec{width:100%;margin-top:18px;border-collapse:collapse;font-size:12px}
body.evidence-doc th,
body.evidence-doc td,
body.evidence-doc .spec th,
body.evidence-doc .spec td{padding:13px 11px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
body.evidence-doc th{color:var(--primary-deep);font-weight:800;background:var(--card-soft)}
body.evidence-doc .framework-board{
  margin-top:20px;
  padding:24px;
  overflow:auto;
  border:1px solid var(--line);
  border-radius:10px 10px 32px 10px;
  background:
    linear-gradient(rgba(91,92,226,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(91,92,226,.045) 1px,transparent 1px),
    #f9fbff;
  background-size:20px 20px;
}
body.evidence-doc .framework-root{width:max-content;min-width:260px;margin:0 auto 36px;padding:14px 20px;border:2px solid var(--primary);border-radius:8px 8px 20px 8px;background:#fff;text-align:center;font-weight:900}
body.evidence-doc .framework-root small{display:block;margin-top:5px;color:var(--muted);font-weight:600}
body.evidence-doc .framework-branches{position:relative;display:grid;grid-template-columns:repeat(4,minmax(190px,1fr));gap:10px;min-width:840px}
body.evidence-doc .framework-branches:before{content:"";position:absolute;left:12.5%;right:12.5%;top:-18px;border-top:2px solid var(--primary)}
body.evidence-doc .framework-branch{position:relative;padding:12px;border:1px solid var(--line);border-radius:8px 8px 22px 8px;background:#fff}
body.evidence-doc .framework-branch:before{content:"";position:absolute;left:50%;top:-19px;height:18px;border-left:2px solid var(--primary)}
body.evidence-doc .framework-module{padding:10px;border-radius:7px;background:var(--primary);color:#fff;text-align:center;font-weight:850}
body.evidence-doc .framework-features{display:grid;gap:7px;margin:10px 0 0;padding:0;list-style:none}
body.evidence-doc .framework-features li{padding:9px;border:1px solid var(--line);border-radius:6px;color:var(--muted);background:var(--card-soft);font-size:12px}
body.evidence-doc .framework-meta{display:grid;min-width:840px;margin-top:10px}
body.evidence-doc .framework-note{padding:12px 14px;border:1px dashed var(--primary);border-radius:8px;color:var(--muted);background:#fff;font-size:12px}
body.evidence-doc .framework-note b{display:block;color:var(--ink)}
body.evidence-doc .flow{display:flex;align-items:stretch;gap:8px;margin-top:18px}
body.evidence-doc .step{flex:1;min-height:108px;padding:16px;border:1px solid var(--line);border-radius:8px 8px 22px 8px;background:var(--card-soft)}
body.evidence-doc .step small{display:block;margin-top:8px;color:var(--muted)}
body.evidence-doc .arrow{display:grid;place-items:center;color:var(--primary);font-weight:900}
body.evidence-doc .timeline{display:grid;gap:0;margin-top:18px;border-left:2px solid var(--primary-soft)}
body.evidence-doc .event{position:relative;display:grid;grid-template-columns:110px minmax(0,1fr);gap:18px;margin-left:20px;padding:18px 0;border-bottom:1px solid var(--line)}
body.evidence-doc .event:before{content:"";position:absolute;left:-27px;top:24px;width:12px;height:12px;border:3px solid #fff;border-radius:50%;background:var(--accent);box-shadow:0 0 0 1px var(--accent)}
body.evidence-doc .event time{color:var(--primary);font:850 11px/1.5 var(--mono)}
body.evidence-doc .event b{display:block}
body.evidence-doc .event span{color:var(--muted);font-size:12px}
body.evidence-doc .footer-nav{display:flex;justify-content:space-between;gap:12px;padding:24px 4px;color:var(--muted);font-size:13px}
body.evidence-doc .footer-nav a{color:var(--primary);font-weight:850;text-decoration:none}
body.document-generated .layout{display:grid;grid-template-columns:224px minmax(0,1fr);gap:14px;align-items:start}
body.document-generated .rail{
  position:sticky;
  top:14px;
  padding:10px;
  border:1px solid var(--line);
  border-radius:10px 10px 28px 10px;
  background:rgba(255,255,255,.9);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(16px);
}
body.document-generated .rail a{display:block;padding:11px;border-radius:7px;color:var(--muted);text-decoration:none;font-size:12px}
body.document-generated .rail a:hover{color:#fff;background:var(--primary)}
body.document-generated main{
  min-width:0;
  padding:clamp(25px,4vw,44px);
  border:1px solid var(--line);
  border-radius:10px 10px 38px 10px;
  background:#fff;
  box-shadow:var(--shadow-soft);
}
body.document-generated main h1{margin-top:0;font-size:30px}
body.document-generated main h2{margin:58px 0 16px;padding-top:10px;border-top:3px solid var(--primary-soft);font-size:clamp(28px,4vw,42px)}
body.document-generated main h2:first-of-type{margin-top:24px}
body.document-generated main h3{margin:32px 0 12px;font-size:21px}
body.document-generated main p,
body.document-generated main li{color:var(--muted)}
body.document-generated blockquote{margin:18px 0;padding:16px 18px;border-left:5px solid var(--accent);border-radius:0 8px 22px 0;color:var(--ink);background:var(--accent-soft)}
body.document-generated code{padding:2px 6px;border:1px solid var(--line);border-radius:5px;color:var(--primary-deep);background:var(--card-soft);font:12px/1.5 var(--mono)}
body.document-generated .table-wrap{overflow:auto;margin:17px 0 28px;border:1px solid var(--line);border-radius:8px 8px 24px 8px}
body.document-generated .table-wrap table{min-width:700px;margin:0;border:0}
body.document-generated footer{display:flex;justify-content:space-between;gap:16px;margin-top:28px;color:var(--muted);font:11px/1.5 var(--mono)}

body.doc-delivery .wrap{
  position:relative;
  width:min(1160px,calc(100% - 40px));
  padding-top:72px;
}
body.doc-delivery .wrap:before{content:"PROJECT DOSSIER  /  CLEAR SIGNAL";display:block;margin-bottom:18px;color:var(--primary);font:850 11px/1 var(--mono);letter-spacing:.14em}
body.doc-delivery .eyebrow{display:inline-flex;padding:8px 10px;border-left:4px solid var(--accent);background:var(--accent-soft)}
body.doc-delivery h1{max-width:900px;margin:14px 0 12px;color:var(--ink);font-size:clamp(46px,7vw,80px);line-height:1;letter-spacing:-.07em}
body.doc-delivery .lead{max-width:760px;color:var(--muted);font-size:18px}
body.doc-delivery .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:8px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow-soft)}
body.doc-delivery .button{min-height:44px;display:inline-flex;align-items:center;padding:0 15px;border:0;border-radius:8px;color:var(--primary-deep);background:var(--card-soft);text-decoration:none;font-weight:800}
body.doc-delivery .button.primary{color:#fff;background:var(--primary)}
body.doc-delivery .score-nav{position:sticky;top:10px;z-index:9;display:grid;grid-template-columns:repeat(6,1fr);gap:3px;margin:28px 0 18px;padding:5px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:rgba(244,248,255,.92);box-shadow:var(--shadow-soft);backdrop-filter:blur(16px)}
body.doc-delivery .score-nav a{min-width:110px;padding:11px 10px;border-radius:7px;color:var(--muted);background:transparent;text-align:center;text-decoration:none;font-size:12px;font-weight:780}
body.doc-delivery .score-nav a:hover{color:#fff;background:var(--primary)}
body.doc-delivery .weight{color:var(--primary);font:900 18px/1 var(--mono)}
body.doc-delivery .demo{margin-top:18px;padding:20px;border:1px solid rgba(143,98,216,.25);border-left:6px solid var(--accent);border-radius:8px 8px 24px 8px;background:var(--accent-soft)}
body.doc-delivery footer{margin-top:24px;color:var(--muted);font:12px/1.6 var(--mono)}

body.doc-styleguide .wrap{width:min(1080px,calc(100% - 40px));padding-top:72px}
body.doc-styleguide .wrap>h1{margin:0;color:var(--ink);font-size:clamp(42px,6vw,70px);line-height:1;letter-spacing:-.065em}
body.doc-styleguide .wrap>h1:before{content:"VISUAL SYSTEM 01";display:block;margin-bottom:18px;color:var(--primary);font:850 11px/1 var(--mono);letter-spacing:.16em}
body.doc-styleguide .muted{color:var(--muted)}
body.doc-styleguide section{position:relative;margin-top:14px;padding:26px;border:1px solid var(--line);border-radius:10px 10px 34px 10px;background:#fff;box-shadow:var(--shadow-soft)}
body.doc-styleguide section h2{margin:0 0 16px;color:var(--ink);font-size:24px;letter-spacing:-.035em}
body.doc-styleguide .swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
body.doc-styleguide .swatch{min-height:110px;padding:12px;display:flex;align-items:flex-end;border:1px solid rgba(16,36,62,.08);border-radius:8px 8px 24px 8px;color:#fff;box-shadow:none;font:750 10px/1.2 var(--mono)}
body.doc-styleguide .primary{background:var(--primary)}body.doc-styleguide .primary-light{color:var(--ink);background:var(--primary-soft)}
body.doc-styleguide .primary-dark{background:var(--primary-deep)}body.doc-styleguide .accent{background:var(--accent)}
body.doc-styleguide .ink{background:var(--ink)}body.doc-styleguide .muted-bg{background:var(--muted)}
body.doc-styleguide .bg{color:var(--ink);background:var(--bg)}body.doc-styleguide .card{color:var(--ink);background:var(--card)}
body.doc-styleguide .type-grid,
body.doc-styleguide .component-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
body.doc-styleguide .title-sample{display:block;margin:8px 0;font-size:32px;line-height:1.05;letter-spacing:-.045em}
body.doc-styleguide .slot{min-height:112px;display:flex;align-items:center;justify-content:center;padding:16px;border:1px dashed var(--primary);border-radius:8px 8px 24px 8px;color:var(--muted);background:var(--card-soft);text-align:center;font-size:12px}
body.doc-styleguide .note{margin-top:14px;padding:15px;border-left:5px solid var(--signal);border-radius:7px;background:#f5ffd9;color:#526429;font-size:12px}

@media(max-width:760px){
  body.evidence-doc .shell,
  body.evidence-doc .wrap,
  body.doc-delivery .wrap,
  body.doc-styleguide .wrap{width:min(100% - 24px,1160px);padding-top:12px}
  body.evidence-doc .topnav{display:none}
  body.evidence-doc .hero{min-height:390px;padding:34px 26px;border-radius:14px 14px 44px 14px;background:linear-gradient(145deg,#fff,#e8f1ff)}
  body.evidence-doc .hero:after{right:-220px;top:-150px}
  body.evidence-doc .hero h1{font-size:clamp(42px,14vw,62px)}
  body.evidence-doc .metrics{grid-template-columns:repeat(2,1fr)}
  body.evidence-doc .grid,
  body.evidence-doc .evidence,
  body.doc-styleguide .type-grid,
  body.doc-styleguide .component-grid{grid-template-columns:1fr}
  body.doc-styleguide .swatches{grid-template-columns:repeat(2,1fr)}
  body.evidence-doc .flow{display:grid}
  body.evidence-doc .arrow{transform:rotate(90deg)}
  body.evidence-doc .event{grid-template-columns:1fr}
  body.evidence-doc .framework-board{padding:15px;overflow:visible}
  body.evidence-doc .framework-root{width:100%;min-width:0}
  body.evidence-doc .framework-branches{grid-template-columns:1fr;min-width:0}
  body.evidence-doc .framework-branches:before{display:none}
  body.evidence-doc .framework-branch:before{top:-13px;height:12px}
  body.evidence-doc .framework-meta{min-width:0}
  body.doc-delivery .score-nav{grid-template-columns:repeat(6,118px)}
  body.document-generated .layout{grid-template-columns:1fr}
  body.document-generated .rail{position:static;display:flex;overflow:auto}
  body.document-generated .rail a{white-space:nowrap}
}
@media print{
  body.evidence-doc{color:#111;background:#fff}
  body.evidence-doc .topbar,
  body.evidence-doc .toc,
  body.doc-delivery .score-nav,
  body.evidence-doc .footer-nav{display:none}
  body.evidence-doc .shell,
  body.evidence-doc .wrap{width:100%;padding:0}
  body.evidence-doc .hero,
  body.evidence-doc .section,
  body.doc-styleguide section{box-shadow:none;background:#fff;break-inside:avoid}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Final PC UI evidence: every image keeps its native wide-screen ratio. */
body.evidence-doc .screen-proof{display:grid;gap:16px;margin-top:20px}
body.evidence-doc .screen-proof.desktop{grid-template-columns:1fr}
body.evidence-doc .screen-proof.desktop-pair{grid-template-columns:repeat(2,minmax(0,1fr))}
body.evidence-doc .screen-shot{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:10px 10px 30px 10px;background:#eef3fb;box-shadow:var(--shadow-soft)}
body.evidence-doc .screen-shot img{display:block;width:100%;height:auto;object-fit:contain;object-position:center;background:#eef3fb}
body.evidence-doc .screen-shot figcaption{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:13px 15px;color:var(--muted);background:#fff;font-size:12px;line-height:1.55}
body.evidence-doc .screen-shot figcaption b{display:block;color:var(--ink);font-size:13px}
body.evidence-doc .screen-shot figcaption span{flex:0 0 auto;color:var(--primary);font:800 10px/1.5 var(--mono);white-space:nowrap}
body.evidence-doc .screen-proof-note{margin:12px 0 0;color:var(--muted);font-size:12px}
@media(max-width:900px){body.evidence-doc .screen-proof.desktop-pair{grid-template-columns:1fr}}
@media(max-width:760px){body.evidence-doc .screen-shot figcaption{display:block}body.evidence-doc .screen-shot figcaption span{display:block;margin-top:5px}}