:root{
  --header-width:280px;
  --header-mobile-height:64px;
  --color-bg:#0A0E17;
  --color-panel:#131A2A;
  --color-warm:#F5E6C8;
  --color-ink:#0B0812;
  --color-cyan:#00E5FF;
  --color-purple:#9D4EDD;
  --color-lime:#B6FF00;
  --color-text:#EAF6FF;
  --color-dim:#8B9BB4;
  --color-danger:#FF4D6D;
  --font-display:"Orbitron","Bahnschrift","DIN Alternate","Microsoft YaHei","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;
  --space-page:clamp(1rem,2vw,2.5rem);
  --space-section:4rem;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  margin-left:var(--header-width);
  background:var(--color-bg);
  color:var(--color-text);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  min-height:100vh;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--color-cyan);outline-offset:3px}
main:focus{outline:none}
h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.2;color:var(--color-text)}
h1{font-size:3.5rem;letter-spacing:.04em}
h2{font-size:2.25rem;letter-spacing:.02em}
h3{font-size:1.5rem}
.site-kicker{display:inline-block;margin-bottom:.75rem;font-family:var(--font-display);font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--color-cyan)}
.site-container{max-width:1440px;margin-inline:auto;padding-inline:var(--space-page)}
.site-section{padding-block:var(--space-section)}
.site-section--panel{background:var(--color-panel)}
.site-section--paper{background:var(--color-warm);color:var(--color-ink)}
.site-section--paper h1,.site-section--paper h2,.site-section--paper h3{color:var(--color-ink)}
.site-prose{max-width:72ch}
.site-breadcrumb{display:flex;flex-wrap:wrap;gap:.35rem .75rem;margin-bottom:1.5rem;font-size:.875rem;color:var(--color-dim)}
.site-breadcrumb a{color:var(--color-cyan);transition:color .2s}
.site-breadcrumb a:hover{color:var(--color-text)}
.site-breadcrumb__sep{opacity:.6}
.site-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.5rem}
.site-grid__item{grid-column:span 12;min-width:0}
.site-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--color-panel);border:1px solid rgba(0,229,255,.16)}
.site-media::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(157,78,221,.18),transparent 50%,rgba(0,229,255,.12));pointer-events:none}
.site-media img{width:100%;height:100%;object-fit:cover}
.site-media--tall{aspect-ratio:4/5}
.site-media--wide{aspect-ratio:21/9}
.site-media--glow{box-shadow:0 0 40px rgba(0,229,255,.12)}
.site-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;padding:.625rem 1.25rem;border:1px solid var(--color-cyan);background:transparent;color:var(--color-cyan);font-family:var(--font-display);font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));transition:background-color .2s,color .2s,box-shadow .2s}
.site-btn:hover{background:var(--color-cyan);color:var(--color-ink);box-shadow:0 0 20px rgba(0,229,255,.35)}
.site-btn--primary{background:var(--color-cyan);color:var(--color-ink)}
.site-btn--primary:hover{background:transparent;color:var(--color-cyan)}
.site-btn--ghost{border-color:var(--color-purple);color:var(--color-purple)}
.site-btn--ghost:hover{background:var(--color-purple);color:var(--color-ink)}
.skip-link{position:fixed;top:0;left:0;z-index:300;transform:translateY(-100%);background:var(--color-cyan);color:var(--color-ink);padding:.5rem 1rem;font-weight:700;transition:transform .2s}
.skip-link:focus{transform:translateY(0)}
.site-header{position:fixed;top:0;left:0;bottom:0;width:var(--header-width);z-index:100;display:flex;flex-direction:column;background-color:var(--color-ink);border-right:1px solid rgba(0,229,255,.2);background-image:linear-gradient(rgba(0,229,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.04) 1px,transparent 1px);background-size:26px 26px;box-shadow:6px 0 30px rgba(0,0,0,.35)}
.site-header__bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.06);flex-shrink:0}
.site-brand{display:flex;align-items:center;gap:.75rem;min-width:0}
.site-brand__mark{width:40px;height:40px;display:grid;place-items:center;background:linear-gradient(135deg,var(--color-cyan),var(--color-purple));color:var(--color-ink);font-family:var(--font-display);font-weight:800;font-size:1.125rem;clip-path:polygon(0 0,100% 0,100% 78%,78% 100%,0 100%)}
.site-brand__text{display:flex;flex-direction:column;line-height:1.2}
.site-brand__text strong{font-family:var(--font-display);font-size:1.05rem;letter-spacing:.06em;color:var(--color-warm)}
.site-brand__text small{color:var(--color-dim);font-size:.72rem;margin-top:.2rem}
.site-header__toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid rgba(0,229,255,.3);background:rgba(0,229,255,.04)}
.site-header__toggle-bar{width:18px;height:2px;background:var(--color-cyan);transition:transform .2s,width .2s}
.site-header__toggle-bar:nth-child(2){width:12px}
.site-header__toggle-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.site-nav{display:flex;flex:1;flex-direction:column;padding:0 0 1.5rem;overflow-y:auto}
.site-nav__lead{padding:.75rem 1.25rem 1rem;border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:1rem;font-size:.78rem;color:var(--color-dim);line-height:1.6}
.site-nav__menu{display:block;padding:0}
.site-nav__list{position:relative;padding:0}
.site-nav__list::before{content:"";position:absolute;left:16px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--color-cyan),var(--color-purple) 60%,transparent);opacity:.5}
.site-nav__item{margin-bottom:.25rem}
.site-nav__link{position:relative;display:flex;align-items:center;gap:.75rem;padding:.65rem 1rem .65rem 2.25rem;color:var(--color-dim);font-family:var(--font-display);font-size:.9rem;letter-spacing:.04em;border-left:2px solid transparent;transition:color .2s,background-color .2s,border-color .2s}
.site-nav__link::after{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:6px;height:6px;background:var(--color-ink);border:1px solid var(--color-purple);transition:background-color .2s,box-shadow .2s,border-color .2s}
.site-nav__link:hover{color:var(--color-cyan);background:rgba(0,229,255,.04)}
.site-nav__link[aria-current="page"]{color:var(--color-text);border-left-color:var(--color-cyan);background:linear-gradient(90deg,rgba(157,78,221,.18),transparent);text-shadow:0 0 12px rgba(0,229,255,.6)}
.site-nav__link[aria-current="page"]::after{background:var(--color-lime);border-color:var(--color-lime);box-shadow:0 0 8px var(--color-lime)}
.site-nav__index{font-size:.7rem;color:var(--color-purple);letter-spacing:.1em}
.site-nav__cta{margin-top:auto;padding:1rem 1.25rem 0}
.site-nav__cta .site-btn{width:100%}
.site-footer{position:relative;background:var(--color-ink);padding:3rem 0 0;color:var(--color-dim);border-top:1px solid rgba(0,229,255,.2)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-cyan),var(--color-purple))}
.site-footer__inner{max-width:1440px;margin-inline:auto;padding-inline:var(--space-page)}
.site-footer__grid{display:grid;grid-template-columns:1.6fr .8fr .8fr 1.4fr;gap:2rem;padding-bottom:2.5rem}
.site-footer__col{display:flex;flex-direction:column}
.site-footer__col--about{display:flex;flex-direction:column;gap:.75rem}
.site-footer__brand{font-family:var(--font-display);font-size:1.25rem;letter-spacing:.08em;color:var(--color-warm)}
.site-footer__about{max-width:36ch;font-size:.9rem}
.site-footer__verify{margin-top:.5rem;padding-left:.75rem;border-left:2px solid var(--color-purple);font-size:.75rem;color:var(--color-dim)}
.site-footer__heading{margin-bottom:.75rem;font-family:var(--font-display);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;color:var(--color-text)}
.site-footer__links{display:grid;gap:.5rem}
.site-footer__links a{color:var(--color-dim);font-size:.875rem;transition:color .2s}
.site-footer__links a:hover{color:var(--color-cyan)}
.site-footer__nav,.site-footer__legal,.site-footer__contact{display:flex;flex-direction:column}
.site-footer__contact-list{display:grid;gap:.5rem;font-size:.875rem}
.site-footer__contact-list li{display:flex;gap:.5rem}
.site-footer__label{flex-shrink:0;min-width:3rem;color:var(--color-cyan);font-size:.75rem;letter-spacing:.05em}
.site-footer__support{margin-top:.5rem;font-size:.8rem;line-height:1.6}
.site-footer__bottom{max-width:1440px;margin-inline:auto;padding-block:1.25rem;padding-inline:var(--space-page);border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;justify-content:space-between;font-size:.8rem;color:var(--color-dim)}
.site-footer__sep{color:var(--color-purple);margin-inline:.25rem}
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(255,255,255,.06);z-index:220;pointer-events:none}
.scroll-progress::after{content:"";display:block;height:100%;width:var(--progress,0%);background:linear-gradient(90deg,var(--color-cyan),var(--color-purple))}
.top-button{position:fixed;right:1rem;bottom:1rem;width:48px;height:48px;display:grid;place-items:center;background:rgba(10,14,23,.85);border:1px solid var(--color-cyan);color:var(--color-cyan);font-size:1.25rem;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,visibility .25s,transform .25s;z-index:120;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px))}
.top-button.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.top-button:hover{background:var(--color-cyan);color:var(--color-ink)}
@media (min-width:768px){
  .site-grid__item--span-3{grid-column:span 3}
  .site-grid__item--span-4{grid-column:span 4}
  .site-grid__item--span-5{grid-column:span 5}
  .site-grid__item--span-6{grid-column:span 6}
  .site-grid__item--span-7{grid-column:span 7}
  .site-grid__item--span-8{grid-column:span 8}
}
@media (max-width:991.98px){
  body{margin-left:0;padding-top:var(--header-mobile-height)}
  .site-header{position:fixed;top:0;left:0;right:0;bottom:auto;width:auto;height:var(--header-mobile-height);display:block}
  .site-header__bar{height:100%;padding:.75rem 1rem}
  .site-header__toggle{display:inline-flex}
  .site-nav{position:fixed;top:var(--header-mobile-height);bottom:0;left:0;width:min(320px,86vw);transform:translateX(-102%);padding:1.5rem 1rem;gap:1.5rem;z-index:110;background:var(--color-ink);border-right:1px solid rgba(0,229,255,.25);box-shadow:10px 0 30px rgba(0,0,0,.5);transition:transform .25s ease}
  .site-header[data-open="true"] .site-nav{transform:translateX(0)}
  .site-nav__cta{padding:0}
  .site-nav__lead{margin-bottom:.5rem}
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:1.5rem}
  .site-footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  h1{font-size:2.25rem}
  h2{font-size:1.5rem}
  h3{font-size:1.25rem}
}
@media (max-width:575.98px){
  .site-footer__grid{grid-template-columns:1fr;gap:1.25rem}
  .site-brand__text small{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto !important}
}