:root{
  --ink-night:#041A15;
  --ink-deep:#0A2E24;
  --ink-field:#104A3A;
  --neon:#3DF5CE;
  --ice:#B9FFF0;
  --track-orange:#FF6B2A;
  --white:#F4FFFC;
  --paper:#F2E9D8;
  --print-ink:#14211C;
  --mist:#7E9B90;
  --alert:#E8483C;
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius-card:18px;
  --radius-capsule:999px;
  --gutter:clamp(16px,4vw,40px);
  --maxw:1240px;
  --shadow-float:0 22px 46px -30px rgba(0,0,0,.95);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}
#main-content:focus{outline:none}

body{
  min-height:100vh;
  background-color:var(--ink-night);
  background-image:
    radial-gradient(900px 520px at 86% -12%,rgba(61,245,206,.16),transparent 62%),
    radial-gradient(760px 460px at 4% 6%,rgba(255,107,42,.10),transparent 62%),
    linear-gradient(180deg,#041A15 0%,#062019 46%,#041A15 100%);
  background-attachment:fixed;
  color:var(--white);
  font-family:var(--font-display);
  font-weight:400;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  word-break:break-word;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(61,245,206,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(61,245,206,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 8%,transparent 76%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 8%,transparent 76%);
}
body.nav-locked{overflow:hidden}

/* ============ skip link ============ */
.skip-link{
  position:fixed;
  top:10px;
  left:50%;
  z-index:300;
  transform:translate(-50%,-180%);
  padding:10px 22px;
  border-radius:var(--radius-capsule);
  background:var(--neon);
  color:#03211A;
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  transition:transform .22s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px var(--gutter) 0;
  transition:padding .28s ease;
}
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:2px;
  z-index:120;
  background:rgba(126,155,144,.18);
}
.scroll-progress-bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--track-orange),var(--neon));
  box-shadow:0 0 12px rgba(61,245,206,.75);
  transition:width .12s linear;
}
.header-inner{
  position:relative;
  z-index:2;
  width:min(calc(100% - 0px),var(--maxw));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,22px);
  padding:9px 12px 9px 16px;
  background:linear-gradient(180deg,rgba(10,46,36,.95),rgba(4,26,21,.9));
  border:1px solid rgba(61,245,206,.16);
  border-radius:var(--radius-capsule);
  box-shadow:var(--shadow-float),inset 0 1px 0 rgba(185,255,240,.08);
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  backdrop-filter:blur(14px) saturate(125%);
  transition:padding .28s ease,background .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{padding-top:8px}
.site-header.is-scrolled .header-inner{padding:6px 10px 6px 14px;border-color:rgba(61,245,206,.32)}

.brand-island{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  padding:3px 8px 3px 2px;
  border-radius:var(--radius-capsule);
  transition:transform .24s ease;
}
.brand-island:hover{transform:translateY(-1px)}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  flex:0 0 auto;
  border-radius:12px;
  background:linear-gradient(140deg,var(--neon),#12B394);
  color:#03211A;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(185,255,240,.35),0 12px 24px -14px rgba(61,245,206,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.16em;color:var(--white)}
.brand-descriptor{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  color:var(--neon);
}

.nav-capsule{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  padding:4px;
  border-radius:var(--radius-capsule);
  background:rgba(4,26,21,.55);
  border:1px solid rgba(126,155,144,.16);
}
.nav-link{
  position:relative;
  display:block;
  padding:8px 14px;
  border-radius:var(--radius-capsule);
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:rgba(244,255,252,.74);
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--ice);background:rgba(61,245,206,.12)}
.nav-link[aria-current="page"]{
  color:#03211A;
  background:var(--neon);
  box-shadow:0 8px 20px -12px rgba(61,245,206,.95);
}
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-8px;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--track-orange);
  transform:translateX(-50%);
}

.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-capsule);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  text-align:center;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-accent{
  background:linear-gradient(135deg,var(--track-orange),#FF8A4D);
  color:#1B0A02;
  box-shadow:0 14px 28px -18px rgba(255,107,42,.95);
}
.btn-accent:hover{box-shadow:0 18px 34px -18px rgba(255,107,42,1)}
.btn-solid{background:var(--neon);color:#03211A}
.btn-solid:hover{background:var(--ice)}
.btn-outline,.btn-ghost{
  border-color:rgba(61,245,206,.42);
  color:var(--ice);
  background:rgba(61,245,206,.06);
}
.btn-outline:hover,.btn-ghost:hover{background:rgba(61,245,206,.16);border-color:var(--neon);color:var(--white)}
.btn-paper{background:var(--paper);color:var(--print-ink);border-color:rgba(20,33,28,.18)}
.btn-paper:hover{background:#FFF7E8}
.btn-sm{padding:9px 16px;font-size:13px;letter-spacing:.05em}
.btn-block{width:100%}

/* ============ mobile nav ============ */
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  place-items:center;
  gap:4px;
  padding:11px;
  border-radius:50%;
  border:1px solid rgba(61,245,206,.35);
  background:rgba(61,245,206,.1);
  transition:background .22s ease,border-color .22s ease;
}
.nav-toggle:hover{background:rgba(61,245,206,.2);border-color:var(--neon)}
.nav-toggle-bar{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ice);
  transition:transform .26s ease,opacity .2s ease;
}
.site-header[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg)}
.nav-scrim{display:none}

/* ============ footer ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,#041A15 0%,#020E0B 100%);
  border-top:1px solid rgba(61,245,206,.2);
  color:rgba(244,255,252,.82);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--neon),rgba(61,245,206,0) 38%,var(--track-orange));
}
.footer-inner{
  width:min(calc(100% - var(--gutter)*2),var(--maxw));
  margin-inline:auto;
}
.footer-top{padding:clamp(40px,6vw,76px) 0 clamp(26px,4vw,44px)}
.footer-top .footer-inner{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.55fr);
  gap:clamp(26px,4vw,60px);
}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-brand-line{display:inline-flex;align-items:center;gap:12px}
.footer-brand-name{font-size:18px;font-weight:800;letter-spacing:.16em;color:var(--white)}
.footer-brand-desc{font-size:14.5px;line-height:1.85;color:rgba(244,255,252,.74);max-width:34ch}
.footer-cta{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:var(--radius-capsule);
  border:1px solid rgba(61,245,206,.42);
  background:rgba(61,245,206,.12);
  color:var(--ice);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.footer-cta:hover{background:rgba(61,245,206,.22);border-color:var(--neon);transform:translateY(-2px)}
.footer-note{
  font-size:12.5px;
  line-height:1.85;
  color:var(--mist);
  border-left:2px solid rgba(255,107,42,.65);
  padding-left:12px;
  max-width:36ch;
}
.footer-columns{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,3vw,36px);
}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--neon);
  margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:rgba(244,255,252,.74);
  overflow-wrap:anywhere;
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--neon)}
.footer-meta{
  border-top:1px solid rgba(126,155,144,.18);
  padding:18px 0 26px;
}
.footer-meta .footer-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-legal a{color:rgba(244,255,252,.78)}
.footer-legal a:hover{color:var(--neon)}
.footer-sep{color:rgba(126,155,144,.5)}
.footer-copyright{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--mist);
}

/* ============ layout ============ */
.container{width:min(calc(100% - var(--gutter)*2),var(--maxw));margin-inline:auto}
.container--narrow{max-width:760px}
.section{padding:clamp(52px,8vw,110px) 0}
.section--tight{padding:clamp(30px,4vw,56px) 0}
.section--paper{background:var(--paper);color:var(--print-ink)}
.section--paper .lede{color:rgba(20,33,28,.72)}
.section--paper .eyebrow{color:#0B7D64}
.section--deep{background:linear-gradient(180deg,rgba(10,46,36,.96),rgba(4,26,21,.92));border-block:1px solid rgba(61,245,206,.14)}

/* ============ type ============ */
.display{
  font-weight:200;
  font-size:clamp(40px,7.4vw,110px);
  line-height:1.02;
  letter-spacing:.06em;
}
.section-title{
  font-weight:800;
  font-size:clamp(26px,3.4vw,44px);
  line-height:1.2;
  letter-spacing:.02em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--neon);
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor}
.lede{
  font-size:clamp(15px,1.6vw,18px);
  line-height:1.85;
  color:rgba(244,255,252,.76);
  max-width:64ch;
}
.mono{font-family:var(--font-mono)}
.data-mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.accent-text{color:var(--neon)}
.ice-text{color:var(--ice)}
.mist-text{color:var(--mist)}

.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(24px,4vw,48px)}
.hairline{height:1px;border:0;background:rgba(126,155,144,.26);margin:clamp(20px,3vw,36px) 0}

/* ============ grid ============ */
.grid{display:grid;gap:clamp(14px,2vw,26px)}
.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))}
.grid--split{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.grid--stagger>*:nth-child(even){transform:translateY(clamp(10px,2vw,34px))}

/* ============ cards ============ */
.ink-card{
  position:relative;
  overflow:hidden;
  padding:clamp(16px,2.2vw,26px);
  border-radius:var(--radius-card);
  border:1px solid rgba(61,245,206,.18);
  background:linear-gradient(160deg,rgba(10,46,36,.96),rgba(4,26,21,.94));
  transition:transform .28s ease,border-color .28s ease;
}
.ink-card:hover{transform:translateY(-4px);border-color:rgba(61,245,206,.46)}
.ink-card--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%)}
.paper-card{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  border-radius:var(--radius-card);
  background:var(--paper);
  color:var(--print-ink);
  border:1px solid rgba(20,33,28,.14);
  box-shadow:0 24px 46px -34px rgba(0,0,0,.9);
}
.paper-card--tape::before{
  content:"";
  position:absolute;
  top:-9px;
  left:22px;
  width:64px;
  height:18px;
  background:rgba(255,107,42,.85);
  transform:rotate(-2.5deg);
}

/* ============ tags & data ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--radius-capsule);
  border:1px solid currentColor;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
}
.tag--live{color:var(--neon);background:rgba(61,245,206,.1)}
.tag--notice{color:var(--track-orange);background:rgba(255,107,42,.12)}
.tag--alert{color:var(--alert);background:rgba(232,72,60,.12)}
.tag--paper{color:var(--print-ink);border-color:rgba(20,33,28,.3);background:rgba(20,33,28,.06)}
.stat-line{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
  border-bottom:1px dashed rgba(126,155,144,.34);
}
.stat-line:last-child{border-bottom:0}
.stat-label{font-size:12.5px;letter-spacing:.14em;color:var(--mist)}
.stat-value{font-family:var(--font-mono);font-size:16px;font-weight:600;color:var(--ice)}

/* ============ breadcrumb ============ */
.breadcrumb{margin:22px 0 0}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--mist);
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(126,155,144,.55)}
.breadcrumb a{color:rgba(244,255,252,.8)}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb [aria-current="page"]{color:var(--neon)}

/* ============ lists & notes ============ */
.list-plain{display:flex;flex-direction:column;gap:10px}
.list-plain li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:rgba(244,255,252,.8)}
.list-plain li::before{
  content:"";
  flex:0 0 auto;
  width:6px;
  height:6px;
  margin-top:.72em;
  border-radius:2px;
  background:var(--neon);
  transform:rotate(45deg);
}
.section--paper .list-plain li{color:rgba(20,33,28,.82)}
.section--paper .list-plain li::before{background:#0B7D64}
.note-strip{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  border-radius:12px;
  font-size:13.5px;
  line-height:1.7;
  background:rgba(255,107,42,.12);
  border:1px solid rgba(255,107,42,.38);
  color:#FFD9C6;
}
.note-strip strong{font-family:var(--font-mono);color:var(--track-orange)}

/* ============ image containers ============ */
.media-frame{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid rgba(61,245,206,.18);
  background:
    radial-gradient(120% 90% at 16% 0%,rgba(61,245,206,.24),transparent 58%),
    radial-gradient(90% 80% at 92% 100%,rgba(255,107,42,.22),transparent 62%),
    linear-gradient(150deg,#0A2E24,#041A15 72%);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(185,255,240,.08) 1px,transparent 1px);
  background-size:100% 26px;
  mix-blend-mode:overlay;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%)}

/* ============ reveal ============ */
.has-js .reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .6s ease,transform .62s cubic-bezier(.22,.9,.28,1);
}
.has-js .reveal.is-in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}

/* ============ responsive ============ */
@media (max-width:1080px){
  .nav-link{padding:8px 10px;font-size:13px;letter-spacing:.03em}
  .brand-descriptor{display:none}
}

@media (max-width:940px){
  .site-header{padding:10px var(--gutter) 0}
  .site-header.is-scrolled{padding-top:6px}
  .header-inner{
    border-radius:22px;
    padding:8px 10px 8px 12px;
    gap:8px;
  }
  .site-header.is-scrolled .header-inner{padding:6px 8px 6px 10px}
  .header-actions .btn{display:none}
  .nav-toggle{display:grid}
  .nav-capsule{
    position:fixed;
    left:var(--gutter);
    right:var(--gutter);
    bottom:14px;
    z-index:100;
    display:block;
    padding:14px;
    max-height:min(70vh,520px);
    overflow:auto;
    border-radius:26px;
    border:1px solid rgba(61,245,206,.28);
    background:linear-gradient(180deg,#0A2E24,#041A15);
    box-shadow:0 -22px 60px -22px rgba(0,0,0,.95);
    transform:translateY(calc(100% + 40px));
    opacity:0;
    pointer-events:none;
    transition:transform .34s cubic-bezier(.22,.9,.28,1),opacity .26s ease;
  }
  .site-header[data-open] .nav-capsule{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;padding:0;background:none;border:0}
  .nav-link{
    padding:13px 16px;
    border-radius:14px;
    font-size:15.5px;
    letter-spacing:.06em;
    background:rgba(16,74,58,.5);
    color:rgba(244,255,252,.86);
  }
  .nav-link:hover{background:rgba(61,245,206,.18)}
  .nav-link[aria-current="page"]{background:var(--neon);color:#03211A}
  .nav-link[aria-current="page"]::after{display:none}
  .nav-scrim{
    display:block;
    position:fixed;
    inset:0;
    z-index:90;
    border-radius:0;
    background:rgba(3,18,14,.76);
    -webkit-backdrop-filter:blur(4px);
    backdrop-filter:blur(4px);
    opacity:0;
    pointer-events:none;
    transition:opacity .28s ease;
  }
  .site-header[data-open] .nav-scrim{opacity:1;pointer-events:auto}
  .footer-top .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:900px){
  .grid--2,.grid--3,.grid--4,.grid--split{grid-template-columns:minmax(0,1fr)}
  .grid--stagger>*:nth-child(even){transform:none}
}

@media (max-width:600px){
  .grid{gap:12px}
  .brand-name{font-size:15px;letter-spacing:.12em}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:12px}
  .footer-columns{grid-template-columns:minmax(0,1fr);gap:22px}
  .footer-meta .footer-inner{flex-direction:column;align-items:flex-start}
  .btn{padding:11px 20px;font-size:14px}
  .btn-sm{padding:9px 14px;font-size:12.5px}
  .media-frame--wide{aspect-ratio:16/10}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .has-js .reveal{opacity:1;transform:none}
  .btn:hover,.ink-card:hover,.footer-cta:hover,.brand-island:hover{transform:none}
  .nav-capsule{transition:none}
}