:root{
  --ink:#06110F;
  --panel:#0C211C;
  --step:#12302A;
  --line:#1E4A3F;
  --lime:#C8FF3D;
  --lime-2:#9BE82B;
  --orange:#FF6A1F;
  --ice:#5FD8F5;
  --white:#F2F6F0;
  --muted:#A9BDB5;
  --track:#2B4A42;
  --rail:88px;
  --radius-l:28px;
  --radius-m:18px;
  --radius-s:10px;
  --mono:ui-monospace,"SFMono-Regular","Menlo","Consolas","Liberation Mono",monospace;
  --sans:-apple-system,"PingFang SC","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
img,svg,video{max-width:100%;display:block}
main{display:block}
#main-content:focus{outline:none}

body{
  min-height:100vh;
  padding-left:var(--rail);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--white);
  background-color:var(--ink);
  background-image:radial-gradient(rgba(200,255,61,.055) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:var(--sans);
  font-weight:800;
  font-stretch:condensed;
  line-height:1.14;
  letter-spacing:-.01em;
  text-wrap:balance;
}
p{max-width:34em}
::selection{background:var(--lime);color:#06110F}

a:focus-visible,button:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}

.skip-link{
  position:fixed;left:14px;top:12px;z-index:200;
  padding:10px 20px;
  border-radius:999px;
  background:var(--lime);color:#06110F;
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* ---------- header ---------- */
.site-header{position:relative}

.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;
  gap:clamp(10px,2vw,20px);
  min-height:66px;
  padding:10px clamp(14px,3vw,28px);
  background:rgba(6,17,15,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}

.brand{
  flex:0 0 auto;
  display:inline-flex;flex-direction:column;gap:1px;
  padding:7px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:linear-gradient(140deg,rgba(30,74,63,.92),rgba(12,33,28,.92));
  transition:border-color .18s ease,background .18s ease;
}
.brand:hover{border-color:var(--lime);background:linear-gradient(140deg,rgba(30,74,63,1),rgba(18,48,42,1))}
.brand-mark{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--white);white-space:nowrap;line-height:1.25}
.brand-v{color:var(--lime)}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--muted);white-space:nowrap;line-height:1.4}

.live-chip{
  display:inline-flex;align-items:center;gap:8px;
  margin-left:auto;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(18,48,42,.6);
  font-size:12px;color:var(--muted);
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
  max-width:100%;
}
.live-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);
  flex:0 0 auto;
  animation:pulse 2.4s ease-out infinite;
}
.live-text{letter-spacing:.04em}
.live-time{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--lime);
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(200,255,61,.5)}
  70%{box-shadow:0 0 0 8px rgba(200,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(200,255,61,0)}
}

.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  min-height:42px;
  padding:9px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--step);
  color:var(--white);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle-icon{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bar{
  display:block;width:16px;height:2px;border-radius:2px;
  background:currentColor;
  transition:transform .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){transform:translateY(-3px) rotate(-45deg)}
.nav-toggle-label{white-space:nowrap}

/* rail navigation */
.rail{
  position:fixed;left:0;top:0;bottom:0;z-index:70;
  width:var(--rail);
  display:flex;flex-direction:column;align-items:center;
  gap:16px;
  padding:22px 0 18px;
  background:linear-gradient(180deg,#12302A 0%,#0C211C 55%,#06110F 100%);
  border-right:1px solid var(--line);
  overflow-y:auto;
  overflow-x:hidden;
}
.rail-head{display:none}
.rail-title{font-size:11px;letter-spacing:.2em;color:var(--muted)}
.rail-list{
  display:flex;flex-direction:column;align-items:center;
  gap:2px;width:100%;
}
.rail-link{
  position:relative;
  display:block;
  padding:14px 0;
  writing-mode:vertical-rl;
  font-size:13px;
  letter-spacing:.22em;
  color:var(--muted);
  border-radius:999px;
  transition:color .18s ease;
}
.rail-link:hover{color:var(--white)}
.rail-link[aria-current="page"]{color:var(--lime);font-weight:700}
.rail-link[aria-current="page"]::before{
  content:"";
  position:absolute;left:-15px;top:50%;
  width:3px;height:26px;
  transform:translateY(-50%);
  border-radius:3px;
  background:var(--lime);
  box-shadow:0 0 14px rgba(200,255,61,.5);
}
.rail-foot{
  margin-top:auto;
  display:flex;align-items:center;gap:6px;
  font-family:var(--mono);
  font-size:11px;letter-spacing:.14em;
  color:var(--muted);
}
.rail-dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}

.nav-scrim{
  position:fixed;inset:0;z-index:65;
  background:rgba(3,9,8,.66);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.nav-scrim[data-open]{opacity:1;visibility:visible}

/* ---------- footer ---------- */
.site-footer{
  margin-top:clamp(56px,9vw,120px);
  padding:clamp(40px,6vw,72px) 0 26px;
  border-top:1px solid var(--line);
  background:
    radial-gradient(90% 130% at 10% 0%,rgba(30,74,63,.5),transparent 62%),
    linear-gradient(180deg,#0C211C,#06110F 74%);
  color:var(--white);
}
.footer-shell{
  width:min(1180px, calc(100% - clamp(32px,5vw,72px)));
  margin-inline:auto;
}
.footer-top{
  display:flex;flex-wrap:wrap;align-items:baseline;
  gap:8px 22px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.footer-brand{
  font-size:clamp(1.3rem,2.6vw,1.75rem);
  font-weight:800;letter-spacing:-.01em;
  color:var(--white);
}
.footer-brand span{color:var(--lime)}
.footer-tagline{font-size:13px;color:var(--muted);letter-spacing:.02em;max-width:36em}

.footer-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr 1.35fr;
  gap:clamp(22px,3vw,40px);
  padding:clamp(26px,4vw,38px) 0;
}
.footer-col{min-width:0}
.footer-head{
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
  font-size:12px;font-weight:700;
  letter-spacing:.18em;
  color:var(--white);
}
.footer-head::before{
  content:"";width:6px;height:6px;border-radius:2px;
  background:var(--lime);
  flex:0 0 auto;
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list--contact{gap:12px}
.footer-link{
  font-size:14.5px;
  color:var(--muted);
  text-decoration:underline;
  text-decoration-color:transparent;
  text-underline-offset:4px;
  transition:color .16s ease,text-decoration-color .16s ease;
}
.footer-link:hover{color:var(--lime);text-decoration-color:var(--lime-2)}

.contact-row{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:6px 10px;
  font-size:14px;
}
.contact-row--address{align-items:flex-start}
.contact-key{
  font-size:11px;letter-spacing:.14em;
  color:var(--muted);
  flex:0 0 auto;
  padding-top:3px;
}
.contact-val{
  font-family:var(--mono);
  font-size:13.5px;
  color:var(--white);
  word-break:break-all;
}
.contact-val--text{font-family:var(--sans);font-size:13.5px;line-height:1.7;color:var(--muted);max-width:20em}
.copy-btn{
  padding:4px 11px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(30,74,63,.4);
  color:var(--muted);
  font-size:11px;letter-spacing:.08em;
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.copy-btn:hover{color:var(--lime);border-color:var(--lime)}
.copy-btn[data-copied]{background:var(--lime);color:#06110F;border-color:var(--lime)}
.footer-note{
  margin-top:14px;
  font-size:12.5px;line-height:1.7;
  color:var(--muted);
  max-width:26em;
}
.footer-legal-row{
  display:flex;flex-wrap:wrap;justify-content:space-between;
  gap:10px 20px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.footer-legal,.footer-year{
  font-size:12.5px;
  color:var(--muted);
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  max-width:none;
}

/* ---------- shared building blocks ---------- */
.shell{
  width:min(1180px, calc(100% - clamp(32px,5vw,72px)));
  margin-inline:auto;
}
.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(28px,4vw,48px)}
.lede{
  font-size:clamp(1rem,1.4vw,1.15rem);
  line-height:1.8;
  color:var(--muted);
  max-width:34em;
}
.eyebrow{
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--muted);
  max-width:none;
}

.chapter{
  display:flex;align-items:center;gap:12px;
  margin-bottom:clamp(18px,2.4vw,28px);
}
.chapter-num{
  flex:0 0 auto;
  padding:3px 11px;
  border-radius:999px;
  background:var(--lime);color:#06110F;
  font-family:var(--mono);
  font-size:12px;font-weight:700;letter-spacing:.1em;
}
.chapter-title{
  font-size:clamp(1.35rem,2.6vw,2rem);
  font-weight:800;
}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(18,48,42,.55);
  font-size:12px;font-weight:500;letter-spacing:.06em;
  color:var(--muted);
  white-space:nowrap;
}
.chip--lime{background:var(--lime);color:#06110F;border-color:var(--lime)}
.chip--orange{background:var(--orange);color:#1A0A02;border-color:var(--orange)}
.chip--ice{background:var(--ice);color:#03212A;border-color:var(--ice)}
.chip--outline{background:transparent;color:var(--ice);border-color:rgba(95,216,245,.5)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;
  padding:12px 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--primary{background:var(--lime);color:#06110F}
.btn--primary:hover{background:var(--lime-2);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);background:rgba(18,48,42,.5);color:var(--white)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--accent{background:var(--orange);color:#180800}
.btn--accent:hover{background:#FF7F3F;transform:translateY(-2px)}

.card{
  display:flex;flex-direction:column;gap:10px;
  padding:clamp(18px,2.2vw,26px);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:var(--panel);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--lime);background:#0E251F}
.card-tag{align-self:flex-start}
.card-title{font-size:1.15rem;font-weight:800;line-height:1.35}
.card-meta{font-size:14px;color:var(--muted);line-height:1.65}
.card-data{
  margin-top:auto;
  font-family:var(--mono);
  font-size:1.5rem;
  letter-spacing:.02em;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
}

.stat{display:flex;flex-direction:column;gap:2px}
.stat-num{
  font-family:var(--mono);
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:700;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-label{font-size:12px;letter-spacing:.14em;color:var(--muted)}

.band{position:relative}
.band-track{
  display:flex;align-items:stretch;
  gap:16px;
  padding:4px 4px 18px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  cursor:grab;
}
.band-track::-webkit-scrollbar{display:none}
.band-track > *{
  flex:0 0 clamp(230px,30vw,320px);
  scroll-snap-align:start;
}
.band.is-dragging .band-track{cursor:grabbing}
.band.is-dragging .band-track a{pointer-events:none}
.band::after{
  content:"";
  position:absolute;top:0;right:0;bottom:18px;
  width:clamp(40px,8vw,88px);
  border-radius:0 var(--radius-l) var(--radius-l) 0;
  background:linear-gradient(90deg,rgba(6,17,15,0),var(--ink));
  pointer-events:none;
  opacity:0;
  transition:opacity .2s ease;
}
.band.is-fade::after{opacity:1}
.band-track:focus-visible{outline:2px solid var(--lime);outline-offset:4px;border-radius:var(--radius-m)}

.media{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:
    radial-gradient(120% 90% at 18% 12%,rgba(95,216,245,.2),transparent 58%),
    radial-gradient(100% 90% at 88% 92%,rgba(200,255,61,.14),transparent 62%),
    linear-gradient(160deg,#12302A,#06110F 72%);
}
.media > img,.media > picture,.media > video,.media > svg{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.media::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(242,246,240,.14) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.5;
}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media-caption{
  margin-top:10px;
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--muted);
  max-width:34em;
}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--muted);
}
.breadcrumbs a{color:var(--muted);transition:color .16s ease}
.breadcrumbs a:hover{color:var(--lime)}
.breadcrumbs .sep{color:var(--track)}
.breadcrumbs [aria-current="page"]{color:var(--white)}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--offset{align-items:start}
.grid--offset > *:nth-child(even){margin-top:clamp(14px,3vw,40px)}

html.js [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease;
}
html.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:979px){
  :root{--rail:0px}
  body{padding-left:0}

  .topbar{min-height:60px;padding:9px 14px;gap:10px}
  .live-chip{padding:5px 11px;font-size:11px;gap:6px}
  .live-text{display:none}
  .brand{padding:6px 13px}
  .brand-mark{font-size:14px}
  .brand-sub{font-size:9px}

  .rail{
    width:min(320px,86vw);
    align-items:stretch;
    gap:0;
    padding:12px 0 22px;
    transform:translateX(-104%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow:22px 0 60px rgba(0,0,0,.55);
    background:linear-gradient(180deg,#12302A,#0C211C 60%);
  }
  .rail[data-open]{transform:translateX(0)}
  .rail-head{
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;
    padding:6px 14px 14px;
    margin-bottom:10px;
    border-bottom:1px solid var(--line);
  }
  .rail-head .nav-toggle{padding:7px 14px;min-height:38px}
  .rail-list{align-items:stretch;gap:4px;padding:0 12px}
  .rail-link{
    writing-mode:horizontal-tb;
    padding:13px 18px;
    border:1px solid transparent;
    border-radius:16px;
    background:var(--step);
    font-size:15px;
    letter-spacing:.04em;
    color:var(--white);
  }
  .rail-link:hover{border-color:var(--line)}
  .rail-link[aria-current="page"]{
    background:rgba(200,255,61,.12);
    border-color:rgba(200,255,61,.5);
    color:var(--lime);
  }
  .rail-link[aria-current="page"]::before{
    position:static;
    display:inline-block;
    width:8px;height:8px;
    margin-right:10px;
    vertical-align:1px;
    transform:none;
    box-shadow:none;
  }
  .rail-foot{padding:18px 22px 0;margin-top:auto}

  body.nav-open{overflow:hidden}

  .footer-grid{grid-template-columns:1fr 1fr}
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .grid--offset > *:nth-child(even){margin-top:0}
  .band-track > *{flex:0 0 min(78vw,300px)}
}

@media (min-width:980px){
  .nav-scrim{display:none}
  .rail-head{display:none}
  .nav-toggle{display:none}
}

@media (max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-legal-row{flex-direction:column;align-items:flex-start}
  .contact-val--text{max-width:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .live-dot{box-shadow:none}
}