:root{
  --bg:#070a16;
  --panel:#0d1328;
  --panel-2:#111a34;
  --text:#f4f8ff;
  --muted:#a9b8d8;
  --line:rgba(170,210,255,.18);
  --blue:#36b7ff;
  --purple:#9b5cff;
  --cyan:#5ff7dd;
  --shadow:0 24px 80px rgba(0,0,0,.38);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 10%,rgba(54,183,255,.18),transparent 26%),
    radial-gradient(circle at 90% 5%,rgba(155,92,255,.22),transparent 25%),
    linear-gradient(180deg,#050711 0%,#080d1c 45%,#070a16 100%);
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
.skip{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:16px;top:16px;width:auto;height:auto;padding:10px 14px;background:#fff;color:#000;z-index:99;border-radius:10px}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(5,8,18,.72);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 0 28px rgba(54,183,255,.45)}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{padding:9px 13px;border-radius:999px;color:#d9e7ff;font-size:15px}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(87,143,255,.16);color:#fff}
.search-row{border-top:1px solid rgba(255,255,255,.05);padding:12px 0 16px}
.fake-search{display:flex;gap:10px;max-width:680px}
.fake-search input{
  flex:1;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;
  border-radius:999px;padding:12px 18px;outline:none;
}
.fake-search button,.btn{
  border:0;border-radius:999px;padding:12px 20px;
  background:linear-gradient(135deg,var(--blue),var(--purple));
  color:#fff;font-weight:700;cursor:pointer;box-shadow:0 10px 24px rgba(54,183,255,.22)
}
.search-note{min-height:24px;color:var(--cyan);font-size:14px;margin-top:6px}
.hero{position:relative;padding:76px 0 52px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-weight:700;background:rgba(95,247,221,.08);border:1px solid rgba(95,247,221,.22);padding:6px 12px;border-radius:999px}
h1,h2,h3,h4,h5,h6{line-height:1.18;margin:0 0 16px}
h1{font-size:clamp(38px,6vw,72px);letter-spacing:-.04em}
h2{font-size:clamp(30px,4vw,48px);letter-spacing:-.03em}
h3{font-size:24px}
.lead{font-size:18px;color:#d7e4ff;max-width:760px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.btn.secondary{background:rgba(255,255,255,.08);border:1px solid var(--line);box-shadow:none}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.metric{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:20px;padding:16px}
.metric strong{display:block;font-size:24px}
.hero-media,.media-frame{position:relative;border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.04);border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-media img{aspect-ratio:16/9;object-fit:cover}
.hero-media::after,.media-frame::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.44));pointer-events:none
}
.image-description{font-size:13px;color:#b9c9e9;margin-top:10px}
.section{padding:72px 0}
.section-head{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:28px}
.section-head p{max-width:620px;color:var(--muted);margin:0}
.grid{display:grid;gap:18px}
.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))}
.card{
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
  border-radius:24px;padding:22px;box-shadow:0 14px 45px rgba(0,0,0,.17);height:100%;
  transition:transform .25s ease,border-color .25s ease,background .25s ease
}
.card:hover{transform:translateY(-5px);border-color:rgba(95,247,221,.38);background:linear-gradient(180deg,rgba(54,183,255,.12),rgba(155,92,255,.06))}
.tag{display:inline-block;font-size:12px;color:#07101e;background:var(--cyan);padding:4px 9px;border-radius:999px;font-weight:800}
.card p{color:var(--muted);margin:10px 0 0}
.card ul{padding-left:18px;color:#d9e7ff;margin:12px 0 0}
.video-card{position:relative;padding:0;overflow:hidden}
.video-thumb{position:relative;display:block}
.video-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(1.1)}
.video-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);width:68px;height:68px;border-radius:50%;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.45);display:grid;place-items:center;opacity:0;transition:.2s}
.play::before{content:"";border-left:18px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.video-card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-info{padding:18px}
.video-meta{display:flex;flex-wrap:wrap;gap:10px;color:#c9d7f4;font-size:13px;margin-top:10px}
.kbd{border:1px solid var(--line);border-radius:999px;padding:3px 8px;background:rgba(255,255,255,.05)}
.timeline{counter-reset:step}
.step{display:grid;grid-template-columns:58px 1fr;gap:14px;align-items:start;margin-bottom:16px}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--purple));font-weight:900}
.case-media{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}
.quote{font-size:16px}
.quote strong{display:block;margin-top:12px;color:#fff}
.faq details{border:1px solid var(--line);border-radius:18px;padding:16px 18px;background:rgba(255,255,255,.045);margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:800}
.breadcrumb{font-size:14px;color:#b9c9e9;margin-top:20px}
.breadcrumb a{color:#dff7ff}
.page-hero{padding:54px 0 34px;border-bottom:1px solid var(--line)}
.content-prose{max-width:880px}
.content-prose p{color:var(--muted)}
.json-box{white-space:pre-wrap;overflow:auto;max-height:420px;background:#070b18;border:1px solid var(--line);border-radius:20px;padding:18px;color:#d9e7ff;font-size:14px}
.related{display:flex;flex-wrap:wrap;gap:10px}
.related a{border:1px solid var(--line);padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.045)}
.contact-list{display:grid;gap:12px}
.contact-list div{padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.045)}
.site-footer{border-top:1px solid var(--line);padding:34px 0;background:rgba(0,0,0,.16)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.footer-grid p{color:var(--muted)}
.small{font-size:13px;color:#92a4c8}
@media (max-width:900px){
  .hero-grid,.case-media,.grid-2,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .nav-wrap{align-items:flex-start;flex-direction:column}
  .metrics{grid-template-columns:1fr}
  .hero{padding-top:42px}
}