:root{
  --ink:#071A16;
  --pine:#0C2B23;
  --field:#123A2F;
  --neon:#35F2D0;
  --amber:#FFB020;
  --violet:#7A5CFF;
  --wine:#5A1230;
  --ivory:#EAF2EC;
  --moss:#8FA79C;
  --line:rgba(53,242,208,0.18);
  --line-strong:rgba(53,242,208,0.38);
  --command-h:56px;
  --rail-w:52px;
  --page-max:1280px;
  --content-max:1180px;
  --radius:18px;
  --font-display:"Arial Narrow","Roboto Condensed","Noto Sans SC","Source Han Sans SC","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-numeric:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,monospace;
  --reading-progress:0;
}
*,*::before,*::after{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--command-h) + 20px);
  -webkit-text-size-adjust:100%;
}
body{
  margin:0;
  min-height:100vh;
  padding-left:var(--rail-w);
  padding-right:8px;
  overflow-x:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px),
    radial-gradient(circle at 78% 4%,rgba(122,92,255,0.13),transparent 30%),
    radial-gradient(circle at 12% 82%,rgba(53,242,208,0.08),transparent 28%);
  background-size:48px 48px,48px 48px,100% 100%,100% 100%;
  color:var(--ivory);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:0.01em;
}
body,button,input{font-family:var(--font-body)}
img{display:block;max-width:100%}
button,input{font:inherit}
button{color:inherit}
a{color:var(--neon);text-underline-offset:0.18em;text-decoration-color:rgba(53,242,208,0.35)}
::selection{background:var(--amber);color:var(--ink)}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;box-shadow:0 0 0 5px rgba(255,176,32,0.12)}
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:999;
  transform:translateY(-180%);
  background:var(--amber);
  color:var(--ink);
  padding:10px 14px;
  border-radius:999px;
  font-weight:800;
  text-decoration:none;
  transition:transform 0.18s ease;
}
.skip-link:focus{transform:translateY(0)}
.sr-only{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  padding:0!important;
  margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;
  border:0!important;
}
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:linear-gradient(180deg,rgba(7,26,22,0.98),rgba(7,26,22,0.9));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.command-bar{
  width:min(calc(100% - 48px),var(--page-max));
  min-height:var(--command-h);
  margin:0 auto;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(12px,2vw,24px);
}
.brand-lockup{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--ivory);
  text-decoration:none;
  font-weight:900;
  letter-spacing:0.02em;
}
.brand-glyph{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:var(--neon);
  color:var(--ink);
  font-family:var(--font-numeric);
  font-weight:800;
  clip-path:polygon(0 0,100% 0,82% 100%,0 100%);
  box-shadow:0 0 20px rgba(53,242,208,0.28);
}
.brand-name{font-size:15px;letter-spacing:0.08em;white-space:nowrap}
.round-chip{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 8px;
  border:1px solid var(--line);
  background:rgba(12,43,35,0.72);
  color:var(--moss);
  font-family:var(--font-numeric);
  font-size:10px;
  line-height:1.2;
  letter-spacing:0.04em;
  white-space:nowrap;
}
.round-chip-key{color:var(--amber)}
.round-chip-sep{color:var(--line-strong)}
.round-chip-value{color:var(--ivory)}
.primary-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(10px,1.7vw,22px);
  min-width:0;
}
.nav-link{
  position:relative;
  color:var(--moss);
  text-decoration:none;
  font-size:13px;
  font-weight:700;
  letter-spacing:0.06em;
  white-space:nowrap;
  padding:18px 0 17px;
  transition:color 0.2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:10px;
  height:2px;
  background:linear-gradient(90deg,var(--neon),var(--amber));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.22s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ivory)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--neon)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--neon)}
.command-tools{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-width:0}
.index-search{
  display:flex;
  align-items:center;
  gap:6px;
  height:34px;
  min-width:0;
  padding:0 8px;
  border:1px solid var(--line);
  background:rgba(12,43,35,0.7);
  clip-path:polygon(0 0,100% 0,96% 100%,0 100%);
}
.index-search:focus-within{border-color:var(--neon);box-shadow:0 0 0 3px rgba(53,242,208,0.1)}
.index-search-label{font-family:var(--font-numeric);font-size:10px;color:var(--amber);letter-spacing:0.08em}
.index-search-input{
  width:96px;
  min-width:0;
  padding:0;
  border:0;
  outline:0;
  background:transparent;
  color:var(--ivory);
  font-size:12px;
}
.index-search-input::placeholder{color:var(--moss)}
.fav-counter{
  display:inline-flex;
  align-items:center;
  gap:5px;
  height:34px;
  padding:0 8px;
  border:1px solid var(--line);
  color:var(--moss);
  font-family:var(--font-numeric);
  font-size:11px;
  line-height:1;
}
.fav-counter-icon{color:var(--violet);font-size:16px;line-height:1}
.fav-counter-value{color:var(--ivory)}
.utility-button{
  appearance:none;
  height:34px;
  padding:0 10px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--moss);
  font-size:11px;
  letter-spacing:0.08em;
  cursor:pointer;
  transition:color 0.2s ease,border-color 0.2s ease,background-color 0.2s ease;
}
.utility-button:hover{color:var(--ivory);border-color:var(--line-strong);background:rgba(18,58,47,0.6)}
.cta-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:36px;
  padding:0 14px;
  background:var(--amber);
  color:var(--ink);
  font-weight:900;
  text-decoration:none;
  font-size:12px;
  letter-spacing:0.06em;
  transition:background-color 0.2s ease,box-shadow 0.2s ease,color 0.2s ease;
}
.cta-button--slash{clip-path:polygon(8% 0,100% 0,92% 100%,0 100%)}
.cta-button:hover{background:var(--neon);color:var(--ink);box-shadow:0 0 24px rgba(53,242,208,0.25)}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 10px;
  border:1px solid var(--line-strong);
  background:rgba(12,43,35,0.9);
  color:var(--ivory);
  cursor:pointer;
  appearance:none;
}
.nav-toggle-box{display:grid;gap:3px;width:16px}
.nav-toggle-line{display:block;height:2px;background:var(--neon);transition:transform 0.2s ease,opacity 0.2s ease}
.nav-toggle-label{font-size:11px;letter-spacing:0.12em;color:var(--moss)}
.site-header[data-open] .nav-toggle-line:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-line:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-line:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.index-rail{
  position:fixed;
  inset:var(--command-h) auto 0 0;
  z-index:75;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:16px 0;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(12,43,35,0.96),rgba(7,26,22,0.98));
  border-right:1px solid var(--line);
}
.index-rail-caption{
  writing-mode:vertical-rl;
  font-family:var(--font-numeric);
  font-size:9px;
  letter-spacing:0.18em;
  color:var(--amber);
}
.index-rail-link{
  writing-mode:vertical-rl;
  text-decoration:none;
  color:var(--moss);
  font-size:11px;
  letter-spacing:0.14em;
  padding:8px 4px;
  border-left:2px solid transparent;
  transition:color 0.2s ease,border-color 0.2s ease,background-color 0.2s ease;
}
.index-rail-link:hover,.index-rail-link:focus-visible{color:var(--neon);border-left-color:var(--neon);background:rgba(53,242,208,0.06)}
.index-rail-link[aria-current="page"]{color:var(--neon);border-left-color:var(--amber)}
.index-rail-status{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:6px;
  writing-mode:vertical-rl;
  font-family:var(--font-numeric);
  font-size:8px;
  letter-spacing:0.12em;
  color:var(--moss);
}
.index-rail[data-search-empty="true"] .index-rail-status{color:var(--amber)}
.status-dot{
  display:inline-block;
  flex:0 0 auto;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 4px rgba(255,176,32,0.12);
}
.reading-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:200;
  width:100%;
  height:3px;
  transform:scaleX(var(--reading-progress));
  transform-origin:left center;
  background:linear-gradient(90deg,var(--neon),var(--amber));
  pointer-events:none;
  will-change:transform;
}
.edge-ticker{
  position:fixed;
  top:var(--command-h);
  right:0;
  bottom:0;
  z-index:70;
  width:8px;
  overflow:hidden;
  background:linear-gradient(180deg,var(--violet),rgba(122,92,255,0.1) 45%,var(--neon));
  border-left:1px solid var(--line);
  pointer-events:none;
}
.edge-ticker-track{
  display:block;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  padding:18px 0;
  font-family:var(--font-numeric);
  font-size:8px;
  line-height:1;
  letter-spacing:0.22em;
  color:rgba(7,26,22,0.72);
  white-space:nowrap;
  animation:ticker-flow 60s linear infinite;
}
@keyframes ticker-flow{
  from{transform:translateY(0)}
  to{transform:translateY(-50%)}
}
.site-footer{
  position:relative;
  margin-top:clamp(64px,9vw,120px);
  overflow:hidden;
  background:
    radial-gradient(circle at 80% 0%,rgba(122,92,255,0.12),transparent 30%),
    linear-gradient(180deg,var(--pine),var(--ink));
  border-top:1px solid var(--line);
}
.footer-scanline{height:3px;background:linear-gradient(90deg,var(--neon),var(--amber),var(--violet),transparent 75%)}
.footer-grid{
  width:min(calc(100% - 48px),var(--page-max));
  margin:0 auto;
  padding:clamp(36px,5vw,64px) 0 30px;
  display:grid;
  grid-template-columns:1.4fr repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer-brand{min-width:0}
.footer-brand-mark{
  display:inline-block;
  color:var(--ivory);
  text-decoration:none;
  font-family:var(--font-display);
  font-size:clamp(26px,3vw,40px);
  font-weight:900;
  line-height:1;
  letter-spacing:-0.02em;
}
.footer-brand-mark:hover{color:var(--neon)}
.footer-mantra{margin:12px 0 16px;color:var(--moss);font-size:13px;letter-spacing:0.04em}
.footer-status{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0;
  color:var(--moss);
  font-family:var(--font-numeric);
  font-size:10px;
  letter-spacing:0.08em;
}
.footer-column{min-width:0;padding-left:16px;border-left:1px solid var(--line)}
.footer-column--contact{border-left-color:rgba(122,92,255,0.38)}
.footer-heading{
  margin:0 0 14px;
  color:var(--amber);
  font-family:var(--font-numeric);
  font-size:11px;
  font-weight:600;
  letter-spacing:0.16em;
}
.footer-list{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.footer-link{
  color:var(--ivory);
  text-decoration:none;
  font-size:13px;
  line-height:1.5;
  transition:color 0.2s ease;
}
.footer-link:hover{color:var(--neon)}
.footer-note{color:var(--moss);font-size:12px;line-height:1.6;overflow-wrap:anywhere}
.footer-bottom{
  width:min(calc(100% - 48px),var(--page-max));
  margin:0 auto;
  padding:16px 0 20px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
}
.footer-legal{margin:0;color:var(--moss);font-family:var(--font-numeric);font-size:10px;letter-spacing:0.06em}
.footer-legal-link{color:var(--moss);text-decoration:none;border-bottom:1px solid rgba(143,167,156,0.35)}
.footer-legal-link:hover{color:var(--neon);border-bottom-color:var(--neon)}
.page-shell{width:min(calc(100% - 48px),var(--content-max));margin-inline:auto}
.breadcrumb{padding-block:18px;border-bottom:1px solid var(--line)}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.breadcrumb-item{display:flex;align-items:center;gap:8px;color:var(--moss);font-family:var(--font-numeric);font-size:11px;letter-spacing:0.04em}
.breadcrumb-item+.breadcrumb-item::before{content:"/";color:var(--line-strong)}
.breadcrumb-link{color:var(--moss);text-decoration:none}
.breadcrumb-link:hover{color:var(--neon)}
.section{position:relative;padding-block:clamp(32px,5vw,64px)}
.section[data-active] .section-number{color:var(--amber);text-shadow:0 0 26px rgba(255,176,32,0.2)}
.section-number{
  display:inline-block;
  font-family:var(--font-numeric);
  font-size:clamp(32px,5vw,72px);
  font-weight:700;
  line-height:1;
  letter-spacing:-0.01em;
  color:var(--line-strong);
  transition:color 0.25s ease,text-shadow 0.25s ease;
}
.section-heading{
  margin:0;
  color:var(--ivory);
  font-family:var(--font-display);
  font-size:clamp(26px,3.4vw,46px);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-0.02em;
}
.display-title{
  margin:0;
  color:var(--ivory);
  font-family:var(--font-display);
  font-size:clamp(40px,6vw,88px);
  font-weight:900;
  line-height:0.96;
  letter-spacing:-0.02em;
  font-stretch:condensed;
}
.body-copy{max-width:68ch;margin:0;color:var(--ivory);font-size:17px;line-height:1.75}
.numeric{font-family:var(--font-numeric);font-weight:700;letter-spacing:-0.01em}
.eyebrow{
  margin:0;
  color:var(--neon);
  font-family:var(--font-numeric);
  font-size:12px;
  font-weight:600;
  letter-spacing:0.18em;
  text-transform:uppercase;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:2px 8px;
  border:1px solid var(--line);
  background:rgba(12,43,35,0.55);
  color:var(--moss);
  font-family:var(--font-numeric);
  font-size:10px;
  line-height:1.2;
  letter-spacing:0.1em;
}
.tag--amber{color:var(--amber);border-color:rgba(255,176,32,0.3)}
.tag--violet{color:var(--violet);border-color:rgba(122,92,255,0.38)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  border:1px solid transparent;
  background:var(--neon);
  color:var(--ink);
  font-weight:800;
  letter-spacing:0.04em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color 0.2s ease,border-color 0.2s ease,color 0.2s ease,box-shadow 0.2s ease;
}
.btn--primary{background:var(--amber);color:var(--ink);clip-path:polygon(4% 0,100% 0,96% 100%,0 100%)}
.btn--ghost{background:transparent;color:var(--ivory);border-color:var(--line-strong)}
.btn:hover{background:var(--ivory);color:var(--ink);box-shadow:0 0 26px rgba(53,242,208,0.18)}
.btn--ghost:hover{background:rgba(53,242,208,0.1);color:var(--neon);border-color:var(--neon)}
.panel{
  border:1px solid var(--line);
  background:rgba(18,58,47,0.72);
  clip-path:polygon(0 0,100% 0,99% 100%,0 96%);
}
.panel-toggle{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 18px;
  border:0;
  background:none;
  color:var(--ivory);
  text-align:left;
  font-weight:800;
  cursor:pointer;
}
.panel-toggle::after{content:"+";color:var(--neon);font-family:var(--font-numeric);font-size:20px;line-height:1}
.panel[data-open="true"] .panel-toggle::after{content:"–";color:var(--amber)}
.panel-body{padding:0 18px 18px;color:var(--moss)}
.panel-body[hidden]{display:none}
.data-card{
  position:relative;
  overflow:hidden;
  padding:clamp(18px,2.5vw,28px);
  border:1px solid var(--line-strong);
  background:linear-gradient(145deg,rgba(18,58,47,0.92),rgba(7,26,22,0.96));
  box-shadow:0 20px 50px rgba(0,0,0,0.32),0 0 0 1px rgba(53,242,208,0.08) inset;
  clip-path:polygon(0 0,100% 0,97% 100%,0 94%);
}
.data-card::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:36%;
  height:3px;
  background:linear-gradient(90deg,var(--neon),var(--amber));
}
.media-frame{
  position:relative;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line);
  background:
    linear-gradient(145deg,rgba(122,92,255,0.18),transparent 45%),
    linear-gradient(315deg,rgba(53,242,208,0.12),transparent 40%),
    var(--field);
  aspect-ratio:4/3;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__img{width:100%;height:100%;object-fit:cover;filter:saturate(0.85) contrast(1.05)}
.media-frame__caption{
  position:absolute;
  left:12px;
  bottom:12px;
  z-index:1;
  padding:5px 8px;
  border:1px solid var(--line);
  background:rgba(7,26,22,0.82);
  color:var(--ivory);
  font-family:var(--font-numeric);
  font-size:10px;
  line-height:1.2;
  letter-spacing:0.1em;
}
.content-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.content-grid--asymmetric{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.stack{display:flex;flex-direction:column;gap:clamp(16px,2.5vw,28px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.blueprint-grid{
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:24px 24px;
}
@media (max-width:1180px){
  .brand-name{font-size:13px}
  .round-chip{display:none}
  .index-search{display:none}
  .primary-nav{gap:10px}
  .nav-link{font-size:12px}
  .footer-grid{grid-template-columns:1.2fr repeat(2,minmax(0,1fr))}
  .footer-column--contact{grid-column:span 2}
}
@media (max-width:1000px){
  body{padding-left:0;padding-right:0}
  .edge-ticker{display:none}
  .command-bar{
    width:calc(100% - 24px);
    min-height:56px;
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:
      "brand toggle"
      "nav nav"
      "tools tools";
    gap:0 12px;
    padding:8px 0;
  }
  .brand-lockup{grid-area:brand}
  .nav-toggle{grid-area:toggle;display:inline-flex}
  .primary-nav{
    grid-area:nav;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 0 4px;
  }
  .site-header[data-open] .primary-nav{display:flex}
  .nav-link{
    padding:12px 2px;
    font-size:14px;
    border-bottom:1px solid rgba(53,242,208,0.08);
  }
  .nav-link::after{left:2px;right:auto;width:44px;bottom:8px}
  .command-tools{
    grid-area:tools;
    justify-content:flex-start;
    flex-wrap:wrap;
    padding:6px 0 10px;
    border-top:1px solid var(--line);
  }
  .index-search{display:flex;flex:1 1 160px}
  .index-search-input{width:100%}
  .index-rail{
    position:static;
    inset:auto;
    width:100%;
    height:auto;
    flex-direction:row;
    align-items:center;
    gap:12px;
    padding:10px 16px;
    overflow-x:auto;
    border-right:0;
    border-bottom:1px solid var(--line);
    scrollbar-width:thin;
  }
  .index-rail-caption,.index-rail-link,.index-rail-status{writing-mode:horizontal-tb;white-space:nowrap}
  .index-rail-link{padding:3px 0;border-left:0;border-bottom:2px solid transparent}
  .index-rail-link:hover,.index-rail-link:focus-visible{border-bottom-color:var(--neon)}
  .index-rail-link[aria-current="page"]{border-bottom-color:var(--amber)}
  .index-rail-status{margin-top:0;margin-left:auto}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
  .footer-column--contact{grid-column:auto}
  .content-grid,.content-grid--asymmetric{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .brand-name{font-size:12px}
  .brand-glyph{width:30px;height:30px}
  .index-search{flex-basis:130px}
  .fav-counter{display:none}
  .cta-button{height:34px;padding:0 11px;font-size:11px}
  .index-rail{gap:10px;padding-inline:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-column{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:16px}
  .footer-column--contact{border-top-color:rgba(122,92,255,0.38)}
  .footer-bottom{flex-direction:column;gap:8px}
  .page-shell{width:min(calc(100% - 28px),var(--content-max))}
  .section{padding-block:28px}
  .content-grid{gap:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:0.01ms!important;
    scroll-behavior:auto!important;
  }
  .edge-ticker-track{animation:none}
}