/* ============ JUN & GEO — SWISS GRID SYSTEM (site-wide) ============ */
  /* Tokens & components extracted from the approved C-edition design (Swiss grid). */
  :root{
    --paper:#FFFFFF;
    --ink:#111111;
    --red:#E30613;
    --grey:#555555;
    --hair:#D8D8D8;
    --sans:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0;border-radius:0}
  html{scroll-behavior:auto}
  body{background:var(--paper);color:var(--ink);font-family:var(--sans);
    font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
  ::selection{background:var(--red);color:#fff}
  a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
  a:hover{text-decoration-color:var(--red);text-decoration-thickness:3px}
  :focus-visible{outline:3px solid var(--red);outline-offset:2px}
  .skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
    padding:12px 18px;z-index:50;font-weight:700;text-decoration:none}
  .skip:focus{left:0}
  .wrap{max-width:1280px;margin:0 auto;padding:0 24px}

  /* spec tag — the lab label */
  .tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;
    text-transform:uppercase;border:1.5px solid var(--ink);padding:5px 9px;white-space:nowrap;line-height:1}
  .tag.red{border-color:var(--red);color:var(--ink)}
  .tag .dot{display:inline-block;width:7px;height:7px;background:var(--red);margin-right:7px;vertical-align:1px}

  /* ============ TOP STRIP / NAV ============ */
  .statusline{border-bottom:2px solid var(--ink)}
  .statusline .in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding:9px 0;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase}
  .statusline .on{font-weight:700}
  .statusline .on i{display:inline-block;width:8px;height:8px;background:var(--red);
    font-style:normal;margin-right:8px;vertical-align:0}
  header.site-head{display:flex;justify-content:space-between;align-items:stretch;gap:24px;
    border-bottom:6px solid var(--ink);flex-wrap:wrap}
  .wordmark{font-size:30px;font-weight:800;letter-spacing:-.03em;text-decoration:none;
    display:flex;align-items:center;padding:14px 0}
  .wordmark sup{color:var(--red);font-size:.45em;margin-left:2px}
  nav.site-nav{display:flex;flex-wrap:wrap}
  nav.site-nav a{display:flex;align-items:center;min-height:44px;padding:10px 14px;
    font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;
    border-left:1px solid var(--hair)}
  nav.site-nav a:hover{background:var(--ink);color:#fff;text-decoration:none}
  nav.site-nav a:last-child{border-right:1px solid var(--hair)}

  /* ============ HERO ============ */
  .hero{padding:56px 0 0}
  .hero .top-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px}
  .hero h1{font-size:clamp(88px,15.5vw,204px);line-height:.85;letter-spacing:-.04em;
    font-weight:800;text-transform:uppercase}
  .hero h1 .amp{font-weight:300}
  .hero h1 sup{color:var(--red);font-size:.32em;letter-spacing:0;vertical-align:.95em}
  .redrule{height:7px;background:var(--red);margin:34px 0 0}
  .meta-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;
    padding:18px 0 0;font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}
  .meta-grid div span{display:block;font-weight:400;color:var(--grey);letter-spacing:.06em;
    text-transform:none;font-size:14px;margin-top:3px}
  .meta-grid .m1{grid-column:1/6}.meta-grid .m2{grid-column:6/10}.meta-grid .m3{grid-column:10/13}
  .lede{max-width:72ch;font-size:19px;line-height:1.6;margin:44px 0 0}
  .lede strong{font-weight:700}
  .cta-row{display:flex;gap:0;flex-wrap:wrap;margin:36px 0 64px;border:2.5px solid var(--ink);width:fit-content}
  .cta-row a{display:flex;align-items:center;min-height:52px;padding:12px 26px;
    font-weight:700;font-size:15px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none}
  .cta-row a.primary{background:var(--ink);color:#fff}
  .cta-row a.primary:hover{background:var(--red)}
  .cta-row a.alt:hover{background:var(--ink);color:#fff}

  /* fact band — poster numerals */
  .facts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
    border-top:6px solid var(--ink);padding:26px 0 8px}
  .fact .big{font-size:clamp(58px,7.5vw,104px);font-weight:800;letter-spacing:-.04em;line-height:.95}
  .fact .big em{font-style:normal;color:var(--red)}
  .fact p{font-size:12.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:700;margin-top:8px}
  .fact p span{display:block;font-weight:400;color:var(--grey);letter-spacing:.04em;
    text-transform:none;font-size:13.5px;margin-top:2px}

  /* ============ SECTION HEADS ============ */
  section{padding:84px 0 8px}
  .sec-head{display:grid;grid-template-columns:auto 1fr auto;align-items:end;gap:20px;
    border-top:6px solid var(--ink);padding-top:20px;margin-bottom:44px}
  .sec-head .no{font-size:clamp(44px,5.5vw,68px);font-weight:800;letter-spacing:-.03em;line-height:.9}
  .sec-head .sq{width:15px;height:15px;background:var(--red);display:inline-block;margin-right:14px;vertical-align:8px}
  .sec-head h2{font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:-.02em;
    text-transform:uppercase;line-height:1.02}
  .sec-head .en{display:block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
    text-transform:uppercase;color:var(--grey);margin-top:7px}
  .measure{max-width:74ch;font-size:17.5px}
  .measure + .measure{margin-top:14px}

  /* steps */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
  .step{border-top:3px solid var(--ink);padding-top:16px}
  .step .num{font-size:52px;font-weight:800;letter-spacing:-.03em;line-height:1}
  .step h3{font-size:21px;font-weight:800;text-transform:uppercase;letter-spacing:.01em;margin:12px 0 8px}
  .step p{font-size:15.5px;color:#2b2b2b}

  /* angles */
  .angles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
  .angle{border:2.5px solid var(--ink);padding:22px 22px 26px;position:relative}
  .angle .code{position:absolute;top:-13px;left:16px;background:var(--paper);padding:0 8px;
    font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;font-weight:700}
  .angle h3{font-size:24px;font-weight:800;text-transform:uppercase;letter-spacing:-.01em}
  .angle h3 .t{display:block;font-size:12px;letter-spacing:.16em;color:var(--grey);margin-top:5px;font-weight:700}
  .angle p{font-size:15.5px;margin-top:12px;color:#2b2b2b}

  /* matrix table */
  .fig{margin-top:48px}
  .fig-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;flex-wrap:wrap}
  .fig-head .cap{font-family:var(--mono);font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:700}
  .table-scroll{overflow-x:auto;border:2.5px solid var(--ink)}
  table.matrix{width:100%;border-collapse:collapse;min-width:680px;background:#fff}
  table.matrix th,table.matrix td{padding:12px 14px;text-align:left;vertical-align:top}
  table.matrix thead .grp th{font-size:12px;letter-spacing:.15em;text-transform:uppercase;
    border-bottom:1.5px solid var(--ink);padding-bottom:8px}
  table.matrix thead .cols th{font-size:13.5px;letter-spacing:.08em;text-transform:uppercase;
    border-bottom:3.5px solid var(--ink)}
  table.matrix tbody td{border-bottom:1px solid var(--hair);font-size:15.5px}
  table.matrix tbody tr:last-child td{border-bottom:none}
  table.matrix td.plat{font-weight:800;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}
  table.matrix td.cell{color:#8f8f8f;font-family:var(--mono);font-size:13px}
  .fig-note{font-size:13.5px;color:var(--grey);margin-top:12px;max-width:78ch}
  .fig-note b{color:var(--ink)}

  /* research index */
  .idx-group{margin-top:36px}
  .idx-group > h3{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:800;
    letter-spacing:.18em;text-transform:uppercase;border-bottom:3.5px solid var(--ink);padding-bottom:10px}
  .idx-group > h3 i{width:11px;height:11px;background:var(--red);font-style:normal;flex:none}
  .idx-group > h3.plain i{background:var(--ink)}
  .idx-group > h3 .cnt{margin-left:auto;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--grey)}
  .idx-row{display:grid;grid-template-columns:76px 1fr auto auto;gap:18px;align-items:baseline;
    padding:17px 2px;border-bottom:1px solid var(--ink);text-decoration:none;min-height:44px}
  a.idx-row:hover{background:#f4f4f4}
  a.idx-row:hover .ttl{text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:3px;text-underline-offset:4px}
  .idx-row .no{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em}
  .idx-row .no .tri{color:var(--red)}
  .idx-row .ttl{font-size:19px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
  .idx-row .ttl small{display:block;font-size:14px;font-weight:400;color:var(--grey);margin-top:3px;letter-spacing:0}
  .idx-row .cat{font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;white-space:nowrap}
  .idx-row .date{font-family:var(--mono);font-size:12.5px;color:var(--grey);white-space:nowrap}
  .idx-row.queued .ttl{color:var(--grey)}
  .idx-row.queued .no{color:var(--grey)}
  .qtag{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;border:1.5px solid #9a9a9a;
    color:var(--grey);padding:3px 7px;text-transform:uppercase;line-height:1}

  /* about */
  .about-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
  .about-grid .big{grid-column:1/6;font-size:clamp(40px,5vw,64px);font-weight:800;
    letter-spacing:-.03em;line-height:.98;text-transform:uppercase}
  .about-grid .txt{grid-column:6/13}
  .about-grid .txt p{max-width:68ch}
  .about-grid .txt p + p{margin-top:16px}
  .more-link{display:inline-flex;align-items:center;min-height:44px;font-weight:800;
    text-transform:uppercase;letter-spacing:.08em;font-size:15px;margin-top:22px}

  /* services */
  .svc{border-top:2.5px solid var(--ink);padding:26px 0 6px;display:grid;
    grid-template-columns:110px 1fr;gap:22px}
  .svc:last-of-type{border-bottom:2.5px solid var(--ink)}
  .svc .no{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1}
  .svc h3{font-size:23px;font-weight:800;text-transform:uppercase}
  .svc p{max-width:72ch;margin-top:8px;font-size:16px;color:#2b2b2b}

  /* faq */
  .faq details{border-bottom:2px solid var(--ink)}
  .faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
    gap:16px;padding:20px 2px;min-height:44px;font-size:19px;font-weight:700}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary .plus{font-size:26px;font-weight:800;color:var(--red);line-height:1;flex:none}
  .faq .answer{padding:0 2px 24px;max-width:74ch}
  .faq .answer p{font-size:16px}

  /* contact */
  .contact-list{margin-top:8px}
  .contact-list .row{display:grid;grid-template-columns:170px 1fr;gap:18px;align-items:baseline;
    padding:16px 2px;border-bottom:1px solid var(--ink)}
  .contact-list .k{font-size:12.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
  .contact-list a{font-weight:700}
  .contact-list .big-mail{font-size:clamp(26px,4.4vw,46px);font-weight:800;letter-spacing:-.02em}

  /* footer */
  footer{background:var(--ink);color:#fff;margin-top:96px}
  footer .in{max-width:1280px;margin:0 auto;padding:30px 24px;display:flex;
    justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:baseline}
  footer p{font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}
  footer a{color:#fff}
  footer a:hover{text-decoration-color:var(--red)}
  footer .sq{display:inline-block;width:10px;height:10px;background:var(--red);margin-right:10px}

  @media (max-width:900px){
    .steps,.angles{grid-template-columns:1fr}
    .facts{grid-template-columns:repeat(2,1fr)}
    .meta-grid .m1,.meta-grid .m2,.meta-grid .m3{grid-column:1/13}
    .about-grid .big,.about-grid .txt{grid-column:1/13}
    .idx-row{grid-template-columns:58px 1fr;grid-template-rows:auto auto}
    .idx-row .cat{grid-column:2}
    .idx-row .date{grid-column:2}
    .sec-head{grid-template-columns:auto 1fr}
    .sec-head .tag{grid-column:2;justify-self:start;margin-top:6px}
    .svc{grid-template-columns:1fr}
    .contact-list .row{grid-template-columns:1fr;gap:4px}
    section{padding:64px 0 4px}
  }

  /* ============ INNER PAGES / ARTICLES ============ */
  .page-head{padding:52px 0 0}
  .page-head .top-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:26px;flex-wrap:wrap}
  .page-head h1{font-size:clamp(46px,7.5vw,96px);line-height:.92;letter-spacing:-.035em;font-weight:800;text-transform:uppercase}
  .page-head h1 .thin{font-weight:300}
  .page-head .lede{margin-top:36px}

  .post-head{padding:52px 0 0}
  .post-head .top-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:26px;flex-wrap:wrap}
  .post-head h1{font-size:clamp(38px,5.6vw,68px);line-height:.98;letter-spacing:-.03em;font-weight:800;max-width:20ch}
  .post-meta{display:flex;gap:22px;flex-wrap:wrap;padding:16px 0 0;font-family:var(--mono);
    font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
  .post-meta b{color:var(--ink)}

  .answer-first{border:2.5px solid var(--ink);padding:24px 26px 26px;margin:40px 0 8px;max-width:74ch;position:relative}
  .answer-first .code{position:absolute;top:-13px;left:16px;background:var(--paper);padding:0 8px;
    font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;font-weight:700}
  .answer-first p{font-size:18.5px;line-height:1.6}

  .prose{max-width:70ch;margin-top:36px}
  .prose h2{font-size:27px;font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:46px 0 14px;text-transform:none}
  .prose h2 .hno{color:var(--red);margin-right:12px}
  .prose h3{font-size:20px;font-weight:800;margin:32px 0 10px}
  .prose p{font-size:17.5px;line-height:1.68;margin-bottom:18px;color:#1d1d1d}
  .prose ul,.prose ol{margin:0 0 18px 22px}
  .prose li{font-size:17.5px;line-height:1.62;margin-bottom:8px}
  .prose strong{font-weight:700}
  .prose blockquote{border-left:5px solid var(--red);padding:4px 0 4px 20px;margin:26px 0}
  .prose blockquote p{font-size:19px;font-weight:700;line-height:1.5;margin:0}
  .src-note{border-top:2px solid var(--ink);margin-top:48px;padding-top:16px;max-width:74ch}
  .src-note p{font-size:13.5px;color:var(--grey);line-height:1.6}
  .src-note b{color:var(--ink);letter-spacing:.1em;text-transform:uppercase;font-size:12px}
  .license{margin-top:22px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--grey);max-width:74ch;line-height:1.7}
  .post-nav{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:52px;
    border-top:6px solid var(--ink);padding-top:20px}
  .post-nav a{display:inline-flex;align-items:center;min-height:44px;font-weight:800;
    text-transform:uppercase;letter-spacing:.08em;font-size:14.5px;text-decoration:none}
  .post-nav a:hover{text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:3px;text-underline-offset:4px}
  .post-nav .dir{display:block;font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.14em;color:var(--grey);margin-bottom:4px}

  /* ============ WHITEPAPER LAYOUT (wide prose + sidebar) ============ */
  .wp-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:start;margin-top:40px}
  .wp-layout .prose{grid-column:1/9;grid-row:1;max-width:none;margin-top:0}
  .wp-layout .src-note,.wp-layout .license{max-width:none}
  .wp-side{grid-column:9/13;grid-row:1;position:sticky;top:28px;
    display:flex;flex-direction:column;gap:30px}
  .wp-box{border-top:3px solid var(--ink);padding-top:14px}
  .wp-toc{list-style:none;margin-top:12px}
  .wp-toc li{border-bottom:1px solid var(--hair)}
  .wp-toc a{display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 2px;
    font-size:14.5px;font-weight:700;text-decoration:none}
  .wp-toc a:hover{text-decoration:underline;text-decoration-color:var(--red);
    text-decoration-thickness:3px;text-underline-offset:4px}
  .wp-toc .n{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--red);min-width:20px;flex:none}
  .wp-meta{margin-top:12px}
  .wp-meta div{display:grid;grid-template-columns:92px 1fr;gap:12px;align-items:baseline;
    padding:8px 0;border-bottom:1px solid var(--hair)}
  .wp-meta dt{font-family:var(--mono);font-size:11px;letter-spacing:.13em;
    text-transform:uppercase;color:var(--grey)}
  .wp-meta dd{font-size:14.5px;font-weight:700}
  .wp-mark{font-size:58px;font-weight:800;letter-spacing:-.03em;line-height:1}
  .wp-mark .sq{display:block;width:15px;height:15px;background:var(--red);margin-bottom:14px}
  .wp-toc .toc-sub a{padding-left:34px;font-size:13.5px;font-weight:400;min-height:40px}

  /* ============ WHITEPAPER DEFINITIONS BOX ============ */
  .def-box{border:2px solid var(--ink);padding:20px 22px 10px;margin:4px 0 36px}
  .def-box h3{margin:0 0 10px;font-size:19px}
  .def-box .def-intro{font-size:16px;line-height:1.6;margin-bottom:6px}
  .def-box .def-grp{font-family:var(--mono);font-size:12px;font-weight:700;
    letter-spacing:.13em;text-transform:uppercase;color:var(--red);margin:18px 0 9px}
  .def-box dl{margin:0 0 12px}
  .def-box dl div{margin-bottom:11px}
  .def-box dt{font-weight:800;font-size:16.5px;margin-bottom:2px}
  .def-box dd{margin:0;font-size:16px;line-height:1.6;color:#1d1d1d}

  @media (max-width:900px){
    .wp-layout{grid-template-columns:1fr}
    .wp-layout .prose{grid-column:1/-1}
    .wp-side{grid-column:1/-1;position:static}
  }

  @media print{
    .statusline,nav.site-nav,.wp-side,.post-nav{display:none}
    .wp-layout{display:block;margin-top:12px}
    .wp-layout .prose{max-width:none}
    body{font-size:11.5pt}
    .prose h2,.prose h3{break-after:avoid}
    .prose blockquote{break-inside:avoid}
    .def-box dl div{break-inside:avoid}
  }