:root{
  --bg-deep:#0A1224;
  --bg-mid:#0E1F3A;
  --bg-indigo:#1B1F4B;
  --line:#1E2E4A;
  --cyan:#2FE3D0;
  --cyan-soft:#A8F5EC;
  --orange:#FF8A3D;
  --amber:#FFC48A;
  --ink:#E8EEF7;
  --muted:#7A8CA6;
  --wine:#7A2242;
  --shell:1280px;
  --gutter:22px;
  --radius:14px;
  --radius-sm:9px;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:"Arial Narrow","HelveticaNeue-CondensedBold","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg-deep);scroll-padding-top:110px}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}

body{
  background:transparent;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(30,46,74,.55) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,46,74,.55) 1px,transparent 1px);
  background-size:72px 72px;
  opacity:.42;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(58% 40% at 10% -8%,rgba(47,227,208,.11),transparent 68%),
    radial-gradient(48% 34% at 102% 2%,rgba(255,138,61,.08),transparent 70%),
    radial-gradient(72% 56% at 50% 110%,rgba(27,31,75,.62),transparent 72%);
}
::selection{background:rgba(47,227,208,.3);color:#fff}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:800}
h1{font-size:clamp(2.6rem,6vw,4.5rem);line-height:1.02;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.14;letter-spacing:-.015em}
h3{font-size:1.14rem;line-height:1.4;letter-spacing:-.005em;font-weight:700}
h4{font-size:1rem;line-height:1.45;font-weight:700}
p+p{margin-top:1em}
strong{font-weight:700;color:#fff}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.skip-link{
  position:fixed;
  top:-64px;
  left:14px;
  z-index:120;
  padding:10px 18px;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  background:var(--cyan);
  color:#04211E;
  font-weight:700;
  font-size:14px;
  transition:top .16s ease;
}
.skip-link:focus{top:0}

.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- shell & rhythm ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(44px,6vw,88px)}
.section--tight{padding-block:clamp(26px,3.4vw,48px)}
.section--ruled{border-top:1px solid var(--line)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 32px;
  margin-bottom:28px;
}
.section-head__title{max-width:24ch}
.section-head__note{font-size:13.5px;line-height:1.65;color:var(--muted);max-width:44ch}
.rule{height:1px;border:0;background:var(--line)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-num);
  font-size:11.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";display:block;width:24px;height:1px;background:var(--cyan)}

.prose{max-width:70ch;font-size:16px;line-height:1.7;color:var(--ink)}
.prose p+p{margin-top:1em}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(47,227,208,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose ul{margin-top:1em;display:grid;gap:.55em}
.prose li{position:relative;padding-left:1.15em}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--cyan)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--bg-mid);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  line-height:1.25;
  white-space:nowrap;
  transition:transform .16s ease,border-color .16s ease,background .16s ease,color .16s ease;
}
.btn::after{content:"→";font-family:var(--font-num);font-size:13px;transition:transform .16s ease}
.btn:hover{transform:translateY(-2px);border-color:var(--cyan);color:var(--cyan-soft)}
.btn:hover::after{transform:translateX(4px)}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#1A0C02}
.btn--primary:hover{background:var(--amber);border-color:var(--amber);color:#1A0C02}
.btn--ghost{background:transparent}
.btn--block{width:100%}

/* ---------- tags / panels / stats ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg-mid);
  font-size:12px;
  line-height:1.6;
  color:var(--muted);
}
.tag--live{color:var(--amber);border-color:rgba(255,196,138,.38);background:rgba(255,196,138,.09)}
.tag--warn{color:#F0A0BC;border-color:rgba(122,34,66,.75);background:rgba(122,34,66,.2)}

.panel{
  position:relative;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(168deg,rgba(14,31,58,.92),rgba(10,18,36,.92));
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.panel:hover{
  transform:translateY(-2px);
  border-color:var(--cyan);
  box-shadow:0 14px 28px -20px rgba(47,227,208,.6);
}
.panel--flush{padding:0;overflow:hidden}
.panel__title{margin-bottom:10px}

.stat{display:grid;gap:4px}
.stat__value{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:clamp(1.6rem,3vw,2.3rem);
  line-height:1.05;
  color:var(--cyan);
}
.stat__label{font-size:12.5px;letter-spacing:.08em;color:var(--muted)}

/* ---------- grids ---------- */
.grid{display:grid;gap:16px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.bento>*{min-width:0}
.bento__span-3{grid-column:span 3}
.bento__span-4{grid-column:span 4}
.bento__span-5{grid-column:span 5}
.bento__span-6{grid-column:span 6}
.bento__span-7{grid-column:span 7}
.bento__span-8{grid-column:span 8}
.bento__span-12{grid-column:span 12}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;padding-left:24px}
.timeline::before{
  content:"";
  position:absolute;
  left:5px;
  top:8px;
  bottom:8px;
  width:1px;
  background:linear-gradient(180deg,var(--cyan),var(--line) 30%,var(--line) 70%,rgba(47,227,208,.5));
}
.timeline__item{position:relative;padding:11px 0}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-24px;
  top:18px;
  width:11px;
  height:11px;
  border:1px solid var(--line);
  border-radius:50%;
  background:var(--bg-deep);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.timeline__item.is-lit::before{
  background:var(--cyan);
  border-color:var(--cyan);
  box-shadow:0 0 12px rgba(47,227,208,.7);
}

/* ---------- tick list ---------- */
.tick-list{display:grid;gap:12px}
.tick-list__item{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;font-size:15px;line-height:1.65}
.tick-list__mark{
  width:10px;
  height:10px;
  margin-top:.55em;
  border:1px solid var(--cyan);
  border-radius:2px;
  background:rgba(47,227,208,.18);
}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:12.5px;letter-spacing:.04em;color:var(--muted)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__link{color:var(--muted);transition:color .16s ease}
.breadcrumb__link:hover{color:var(--cyan)}
.breadcrumb__sep{color:var(--line)}
.breadcrumb__current{color:var(--ink)}

/* ---------- frame ---------- */
.frame{position:relative;border:1px solid var(--line);border-radius:16px;padding:24px}
.frame::before,
.frame::after{
  content:"";
  position:absolute;
  width:14px;
  height:14px;
  border:1px solid var(--cyan);
}
.frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0;border-radius:16px 0 0 0}
.frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0;border-radius:0 0 16px 0}

/* ---------- media ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:
    radial-gradient(120% 90% at 82% 8%,rgba(47,227,208,.18),transparent 62%),
    radial-gradient(90% 70% at 0% 100%,rgba(255,138,61,.14),transparent 66%),
    linear-gradient(158deg,var(--bg-indigo),var(--bg-mid) 72%);
  aspect-ratio:16/10;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(115deg,transparent 48%,rgba(47,227,208,.16) 49%,transparent 50%),
    linear-gradient(to right,rgba(30,46,74,.6) 1px,transparent 1px);
  background-size:100% 100%,48px 48px;
  opacity:.75;
}
.media>img,
.media>video{width:100%;height:100%;object-fit:cover}
.media__caption{
  display:block;
  margin-top:10px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--muted);
}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,18,36,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:15px var(--gutter);
  transition:padding .22s ease;
}
.site-header.is-condensed .header-inner{padding-block:8px}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  position:relative;
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border:1px solid var(--line);
  border-radius:10px;
  background:linear-gradient(150deg,var(--bg-indigo),var(--bg-mid));
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:5px;
  border:1px dashed rgba(47,227,208,.42);
  border-radius:50%;
}
.brand-mark::after{
  content:"";
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px var(--cyan);
}
.brand-text{display:block}
.brand-text__name{display:block;font-size:16px;font-weight:800;letter-spacing:.02em;line-height:1.2}
.brand-text__tag{
  display:block;
  font-size:11px;
  letter-spacing:.16em;
  color:var(--muted);
  transition:opacity .2s ease;
}
.site-header.is-condensed .brand-text__tag{opacity:.45}

.site-nav{flex:1 1 auto;display:flex;justify-content:center}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__item{display:block}
.site-nav__link{
  display:inline-flex;
  align-items:flex-start;
  gap:7px;
  padding:8px 12px;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease;
}
.site-nav__link:hover{background:var(--bg-mid);border-color:var(--line);transform:translateY(-2px)}
.site-nav__index{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.06em;
  color:var(--muted);
  padding-top:3px;
  transition:color .16s ease;
}
.site-nav__label{font-size:14px;font-weight:600;line-height:1.35;transition:color .16s ease}
.site-nav__link:hover .site-nav__label{color:var(--cyan-soft)}
.site-nav__link:hover .site-nav__index{color:var(--cyan)}
.site-nav__link[aria-current="page"]{background:linear-gradient(160deg,rgba(27,31,75,.9),rgba(14,31,58,.9));border-color:var(--line)}
.site-nav__link[aria-current="page"] .site-nav__label{color:var(--cyan)}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--cyan)}

.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 13px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--bg-mid);
  font-size:13px;
  font-weight:700;
  transition:border-color .16s ease,color .16s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px}
.nav-toggle__bar{
  display:block;
  width:15px;
  height:1.5px;
  background:var(--cyan);
  transition:transform .18s ease,opacity .18s ease;
}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}
.nav-toggle__text{letter-spacing:.06em}

.header-announce{
  border-top:1px solid var(--line);
  background:linear-gradient(90deg,rgba(27,31,75,.9),rgba(14,31,58,.9));
}
.header-announce__inner{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:7px var(--gutter);
  font-size:12.5px;
  line-height:1.55;
  color:var(--cyan-soft);
}
.header-announce__dot{
  flex:0 0 auto;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 9px var(--cyan);
}
.header-announce__text{min-width:0}

/* ---------- footer ---------- */
.site-footer{
  margin-top:clamp(48px,7vw,96px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-mid),var(--bg-deep) 76%);
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(230px,1.5fr) minmax(120px,.8fr) minmax(120px,.8fr) minmax(230px,1.3fr);
  gap:30px 28px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:46px var(--gutter) 30px;
}
.footer-brand__mark{
  display:grid;
  place-items:center;
  width:32px;
  height:32px;
  margin-bottom:14px;
  border:1px solid var(--line);
  border-radius:9px;
  background:linear-gradient(150deg,var(--bg-indigo),var(--bg-mid));
}
.footer-brand__mark>span{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
}
.footer-brand__name{font-size:18px;font-weight:800;letter-spacing:.02em}
.footer-brand__line{
  margin-top:6px;
  font-family:var(--font-num);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--cyan);
}
.footer-brand__note{margin-top:10px;max-width:34ch;font-size:13px;line-height:1.7;color:var(--muted)}
.footer-brand__cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  padding-bottom:3px;
  border-bottom:1px solid rgba(47,227,208,.45);
  font-size:13px;
  font-weight:700;
  color:var(--cyan);
  transition:border-color .16s ease,gap .16s ease;
}
.footer-brand__cta::after{content:"→";font-family:var(--font-num);font-size:12px;transition:transform .16s ease}
.footer-brand__cta:hover{border-bottom-color:var(--cyan)}
.footer-brand__cta:hover::after{transform:translateX(4px)}

.footer-col__title{
  margin-bottom:14px;
  font-family:var(--font-num);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-col__list{display:grid;gap:9px}
.footer-col__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink);
  transition:color .16s ease;
}
.footer-col__link::before{
  content:"";
  width:7px;
  height:1px;
  background:var(--line);
  transition:width .16s ease,background .16s ease;
}
.footer-col__link:hover{color:var(--cyan)}
.footer-col__link:hover::before{width:15px;background:var(--cyan)}

.footer-contact{display:grid;gap:12px;align-content:start}
.footer-contact__row{display:grid;gap:2px}
.footer-contact__label{
  font-family:var(--font-num);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-contact__value{font-size:13.5px;line-height:1.6;color:var(--ink)}
.footer-contact__value--num{font-family:var(--font-num);letter-spacing:.03em}

.footer-legal{border-top:1px solid var(--line);background:rgba(10,18,36,.62)}
.footer-legal__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:16px var(--gutter) 22px;
  font-size:12.5px;
  line-height:1.65;
  color:var(--muted);
}
.footer-legal__line{display:inline-flex;align-items:center;gap:6px}
.footer-legal__line--icp{font-family:var(--font-num);letter-spacing:.03em;color:var(--cyan-soft)}
.footer-legal__note{flex:1 1 100%;max-width:78ch;font-size:12px}

/* ---------- reveal ---------- */
.reveal-init [data-reveal]{
  opacity:0;
  translate:0 14px;
  transition:opacity .52s ease,translate .52s ease,transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.reveal-init [data-reveal].is-lit{opacity:1;translate:0 0}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .site-nav__link{padding:8px 9px}
  .site-nav__label{font-size:13.5px}
  .brand-text__tag{display:none}
}
@media (max-width:1080px){
  .bento__span-3,.bento__span-4,.bento__span-5{grid-column:span 6}
  .bento__span-7,.bento__span-8{grid-column:span 12}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}
}
@media (max-width:1000px){
  .nav-toggle{display:inline-flex}
  .header-tools .btn--ghost{display:none}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:block;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    opacity:0;
    background:var(--bg-deep);
    border-bottom:1px solid var(--line);
    transition:max-height .2s ease,opacity .16s ease,visibility .16s ease;
  }
  .site-header[data-open] .site-nav{
    max-height:74vh;
    overflow-y:auto;
    visibility:visible;
    opacity:1;
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0;padding:8px 14px 18px}
  .site-nav__link{
    width:100%;
    padding:13px 10px;
    border:0;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .site-nav__link:hover,.site-nav__link[aria-current="page"]{transform:none;background:rgba(14,31,58,.6)}
  .site-nav__index{padding-top:4px}
}
@media (max-width:860px){
  .header-inner{gap:12px}
  .brand-text__name{font-size:15px}
}
@media (max-width:720px){
  :root{--gutter:16px}
  .section-head{flex-direction:column;align-items:flex-start}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .header-announce__inner{font-size:12px}
  .btn{padding:8px 13px;font-size:13px}
  .panel{padding:18px}
}
@media (max-width:640px){
  .bento>*{grid-column:1/-1}
  .footer-inner{grid-template-columns:minmax(0,1fr);padding-top:36px}
  .footer-legal__inner{flex-direction:column;align-items:flex-start}
  .frame{padding:18px}
  h1{font-size:clamp(2.1rem,9vw,2.9rem)}
}
@media (max-width:420px){
  .header-tools .btn--primary{padding:8px 11px}
  .brand-mark{width:30px;height:30px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    transition-delay:0ms!important;
  }
  .btn:hover,.panel:hover,.site-nav__link:hover{transform:none}
  .reveal-init [data-reveal]{opacity:1;translate:0 0}
  .btn:hover::after,.footer-brand__cta:hover::after{transform:none}
}