:root{
  --c-ink:#07120F;
  --c-field:#0B2B24;
  --c-pitch:#103B31;
  --c-cyan:#2EF2C2;
  --c-orange:#FF7A1A;
  --c-warm:#F4F0E8;
  --c-muted:#8FA39C;
  --c-line:#1E4A3F;
  --c-cyan-soft:#B8FFE8;
  --c-orange-deep:#7A3B0E;

  --font-display:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;

  --shell-max:1440px;
  --gutter:32px;
  --radius-s:10px;
  --radius-m:18px;
  --radius-pill:999px;
  --line-hair:1px solid var(--c-line);
  --shadow-island:0 22px 48px -30px rgba(0,0,0,.95),0 1px 0 rgba(184,255,232,.06) inset;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-field);
  color:var(--c-warm);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
strong,b{font-weight:800;}

:focus-visible{outline:2px solid var(--c-cyan-soft);outline-offset:3px;}

#main-content{scroll-margin-top:104px;}

.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);
  white-space:nowrap;border:0;
}

.container{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.content-wrap{
  width:100%;
  max-width:880px;
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}
.grid-12 > *{min-width:0;}
.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-12{grid-column:1/-1;}
@media (min-width:1024px){
  .col-3{grid-column:span 3;}
  .col-4{grid-column:span 4;}
  .col-5{grid-column:span 5;}
  .col-6{grid-column:span 6;}
  .col-7{grid-column:span 7;}
  .col-8{grid-column:span 8;}
  .col-9{grid-column:span 9;}
  .col-12{grid-column:span 12;}
}

.skip-link{
  position:fixed;
  top:12px;left:12px;
  z-index:200;
  padding:12px 22px;
  border-radius:var(--radius-pill);
  background:var(--c-cyan);
  color:var(--c-ink);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  transform:translateY(-180%);
  transition:transform 200ms var(--ease);
}
.skip-link:focus{transform:translateY(0);}

.scroll-progress{
  position:fixed;
  inset:0 0 auto 0;
  height:2px;
  z-index:120;
  pointer-events:none;
  background:rgba(30,74,63,.5);
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--c-cyan),var(--c-orange));
  will-change:transform;
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  padding-block:14px;
  transition:padding 240ms var(--ease);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,18,15,.78),rgba(7,18,15,0));
  opacity:0;
  transition:opacity 240ms var(--ease);
  pointer-events:none;
  z-index:0;
}
.site-header[data-scrolled]::before{opacity:1;}
.site-header[data-scrolled]{padding-block:10px;}

.site-header__inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:14px;
}

.brand-island{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:none;
  padding:9px 20px 9px 15px;
  border-radius:var(--radius-pill);
  border:var(--line-hair);
  background:rgba(14,53,44,.86);
  box-shadow:var(--shadow-island);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease),transform 200ms var(--ease);
}
.brand-island:hover{border-color:#2C6455;transform:translateY(-1px);}
.brand-island__mark{
  flex:none;
  width:12px;
  height:12px;
  border-radius:3px;
  background:var(--c-cyan);
  transform:rotate(45deg);
  box-shadow:0 0 0 4px rgba(46,242,194,.14),0 0 18px rgba(46,242,194,.6);
}
.brand-island__text{display:flex;flex-direction:column;line-height:1.1;}
.brand-island__name{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--c-warm);
}
.brand-island__tag{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#5E7C74;
  white-space:nowrap;
}

.nav-island{
  display:flex;
  align-items:center;
  margin-inline:auto;
  padding:6px;
  border-radius:var(--radius-pill);
  border:var(--line-hair);
  background:rgba(11,43,36,.74);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.nav-island__list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-island__link{
  display:inline-block;
  padding:9px 15px;
  border-radius:var(--radius-pill);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  color:var(--c-muted);
  transition:color 160ms var(--ease),background-color 160ms var(--ease);
}
.nav-island__link:hover{color:var(--c-warm);background:rgba(46,242,194,.09);}
.nav-island__link[aria-current="page"]{
  color:var(--c-ink);
  background:var(--c-cyan);
  box-shadow:0 8px 22px -14px rgba(46,242,194,.95);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  background:var(--c-cyan);
  color:var(--c-ink);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
  box-shadow:0 14px 32px -20px rgba(46,242,194,.95);
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.header-cta::after{
  content:"→";
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1;
}
.header-cta:hover{
  background:var(--c-cyan-soft);
  transform:translateY(-2px);
  box-shadow:0 18px 36px -20px rgba(46,242,194,1);
}

.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-pill);
  border:var(--line-hair);
  background:rgba(14,53,44,.88);
  box-shadow:var(--shadow-island);
  transition:border-color 180ms var(--ease),background-color 180ms var(--ease);
}
.nav-toggle:hover{border-color:#2C6455;}
.nav-toggle__bars{display:grid;gap:5px;}
.nav-toggle__bar{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-warm);
  transition:transform 220ms var(--ease),background-color 220ms var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(3.5px) rotate(45deg);background:var(--c-cyan);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){transform:translateY(-3.5px) rotate(-45deg);background:var(--c-cyan);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 28px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.2;
  text-align:center;
  cursor:pointer;
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
}
.btn--primary{
  background:var(--c-cyan);
  color:var(--c-ink);
  box-shadow:0 18px 40px -26px rgba(46,242,194,.95);
}
.btn--primary:hover{background:var(--c-cyan-soft);transform:translateY(-2px);}
.btn--ghost{
  background:transparent;
  color:var(--c-warm);
  border-color:var(--c-line);
}
.btn--ghost:hover{border-color:var(--c-cyan);color:var(--c-cyan-soft);transform:translateY(-2px);}

.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 16px;
  border-radius:var(--radius-pill);
  border:var(--line-hair);
  background:transparent;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-muted);
  cursor:pointer;
  transition:color 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease);
}
.chip:hover{color:var(--c-warm);border-color:#2C6455;}
.chip[aria-pressed="true"],
.chip.is-active{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:var(--c-ink);
}

.panel{
  padding:28px;
  border-radius:var(--radius-m);
  border:var(--line-hair);
  background:linear-gradient(180deg,rgba(16,59,49,.72),rgba(11,43,36,.5));
  box-shadow:0 1px 0 rgba(184,255,232,.05) inset;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:1px;
  background:currentColor;
}
.data-label{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-muted);
}

.stat{display:flex;flex-direction:column;gap:8px;}
.stat__value{
  font-family:var(--font-display);
  font-size:clamp(44px,7vw,96px);
  font-weight:800;
  line-height:.92;
  letter-spacing:-.035em;
  color:var(--c-cyan);
  font-variant-numeric:tabular-nums;
}
.stat__unit{
  margin-left:6px;
  font-family:var(--font-mono);
  font-size:.3em;
  font-weight:400;
  letter-spacing:.08em;
  color:var(--c-muted);
}
.stat__caption{
  font-size:14px;
  line-height:1.6;
  color:var(--c-muted);
}

.media-frame{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  width:100%;
  aspect-ratio:16/10;
  border-radius:var(--radius-m);
  border:var(--line-hair);
  background:linear-gradient(180deg,rgba(16,59,49,.95),rgba(7,18,15,.95));
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  opacity:.5;
  background-image:
    repeating-linear-gradient(0deg,rgba(30,74,63,.6) 0 1px,transparent 1px 44px),
    repeating-linear-gradient(90deg,rgba(30,74,63,.6) 0 1px,transparent 1px 44px);
}
.media-frame img{
  position:absolute;
  inset:0;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21/9;}
.media-frame--tall{aspect-ratio:4/5;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:3;
  padding:16px 20px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-warm);
  background:linear-gradient(180deg,rgba(7,18,15,0),rgba(7,18,15,.85));
}

.breadcrumb{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-muted);
}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb__item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.breadcrumb__item:not(:last-child)::after{
  content:"/";
  color:var(--c-line);
}
.breadcrumb__link{
  color:var(--c-muted);
  transition:color 160ms var(--ease);
}
.breadcrumb__link:hover{color:var(--c-cyan-soft);}
.breadcrumb [aria-current="page"]{color:var(--c-warm);}

[data-reveal].reveal-pending{
  opacity:0;
  transform:translateY(16px);
}
[data-reveal].is-revealed{
  opacity:1;
  transform:none;
  transition:opacity 520ms var(--ease),transform 520ms var(--ease);
}

.site-footer{
  position:relative;
  margin-top:120px;
  overflow:hidden;
  background:var(--c-ink);
  color:var(--c-warm);
  border-top:1px solid var(--c-line);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(30,74,63,.45) 0 1px,transparent 1px 120px),
    radial-gradient(120% 90% at 50% 0%,rgba(46,242,194,.1),transparent 62%);
}
.site-footer .container{position:relative;z-index:1;}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:48px 40px;
  padding-block:80px 56px;
}
.footer-brand{display:flex;flex-direction:column;gap:28px;}
.footer-brand__line{
  max-width:24ch;
  font-family:var(--font-display);
  font-size:clamp(19px,2.1vw,25px);
  font-weight:800;
  line-height:1.4;
  letter-spacing:-.01em;
  color:var(--c-warm);
}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact__item{display:flex;flex-direction:column;gap:3px;}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:#5E7C74;
}
.footer-contact__value{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--c-warm);
  word-break:break-word;
}
.footer-links__title{
  margin-bottom:16px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.footer-links__list{display:flex;flex-direction:column;gap:11px;}
.footer-links__link{
  display:inline-block;
  font-size:15px;
  color:var(--c-muted);
  transition:color 160ms var(--ease),transform 160ms var(--ease);
}
.footer-links__link:hover{color:var(--c-warm);transform:translateX(3px);}

.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 32px;
  padding-block:22px 32px;
  border-top:1px solid rgba(30,74,63,.85);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-muted);
}
.footer-base__copy,
.footer-base__icp{margin:0;}

@media (max-width:1023px){
  :root{--gutter:24px;}
  .site-header{padding-block:12px;}
  .nav-toggle{display:inline-flex;}
  .nav-island{
    position:absolute;
    top:calc(100% + 6px);
    left:0;
    right:0;
    margin-inline:var(--gutter);
    display:none;
    padding:14px;
    border-radius:22px;
    background:rgba(7,18,15,.97);
    border-color:#235447;
    box-shadow:0 30px 60px -34px rgba(0,0,0,1);
  }
  .nav-island[data-open]{display:block;}
  .nav-island__list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-island__link{
    display:block;
    padding:13px 16px;
    border-radius:14px;
    font-size:16px;
  }
  .nav-island__link[aria-current="page"]{box-shadow:none;}
  .footer-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:40px 28px;
    padding-block:64px 40px;
  }
  .footer-brand{grid-column:1/-1;gap:22px;}
  .footer-brand__line{max-width:none;}
}

@media (max-width:880px){
  .grid-12{gap:20px;}
}

@media (max-width:640px){
  :root{--gutter:20px;}
  body{font-size:16px;line-height:1.72;}
  .brand-island{padding:8px 14px 8px 11px;gap:9px;}
  .brand-island__tag{display:none;}
  .brand-island__name{font-size:16px;}
  .header-cta{display:none;}
  .nav-toggle{width:44px;height:44px;}
  .site-footer{margin-top:80px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-block:52px 32px;}
  .footer-base{padding-block:20px 28px;}
  .panel{padding:20px;}
  .btn{padding:13px 22px;font-size:14px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal].reveal-pending,
  [data-reveal].is-revealed{
    opacity:1 !important;
    transform:none !important;
  }
  .scroll-progress{display:none;}
  .brand-island:hover,
  .header-cta:hover,
  .btn:hover,
  .footer-links__link:hover{transform:none;}
}