:root{
  --bg:#060816;
  --panel:#0d1226;
  --panel-2:#121a32;
  --text:#f8fbff;
  --muted:#9fb0d1;
  --line:rgba(126,168,255,.22);
  --blue:#4cc9ff;
  --purple:#9b5cff;
  --cyan:#53ffd6;
  --shadow:0 24px 80px rgba(45,93,255,.24);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:radial-gradient(circle at top left,rgba(76,201,255,.24),transparent 30%),radial-gradient(circle at 80% 0,rgba(155,92,255,.24),transparent 32%),var(--bg);
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,8,22,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.02em;font-size:22px}
.logo-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 0 28px rgba(76,201,255,.55);display:grid;place-items:center;color:#05111d;font-weight:900}
.nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:#dfe8ff;font-size:15px}
.nav-links a{padding:9px 12px;border-radius:999px;transition:.2s ease}
.nav-links a:hover,.nav-links a[aria-current="page"]{background:rgba(76,201,255,.13);color:#fff}
.search-wrap{border-top:1px solid rgba(126,168,255,.12);padding:12px 0 16px}
.search-form{display:flex;gap:10px;align-items:center;max-width:680px}
.search-form input{flex:1;background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:999px;padding:12px 16px;color:#fff;outline:none}
.search-form button,.btn{border:0;border-radius:999px;padding:12px 18px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:800;cursor:pointer;box-shadow:0 12px 30px rgba(76,201,255,.18)}
.search-note{margin:8px 0 0;color:var(--cyan);font-size:14px;min-height:24px}
.hero{position:relative;overflow:hidden;padding:86px 0 72px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:#d8e6ff;background:rgba(255,255,255,.06);font-size:14px}
h1{font-size:clamp(38px,6vw,72px);line-height:1.05;margin:20px 0 18px;letter-spacing:-.04em}
h2{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:0 0 14px;letter-spacing:-.03em}
h3{font-size:22px;line-height:1.25;margin:0 0 10px}
h4{font-size:18px;margin:0 0 8px}
p{color:#d5def4;margin:0 0 14px}.lead{font-size:18px;color:#e7efff;max-width:760px}.muted{color:var(--muted)}
.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}
.hero-card{position:relative;border:1px solid var(--line);border-radius:32px;padding:18px;background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.03));box-shadow:var(--shadow)}
.hero-card:before{content:"";position:absolute;inset:-2px;border-radius:34px;background:linear-gradient(135deg,rgba(76,201,255,.5),rgba(155,92,255,.4),transparent);z-index:-1;filter:blur(14px)}
.video-card{position:relative;overflow:hidden;border-radius:26px;background:#000;border:1px solid rgba(255,255,255,.12);min-height:220px;box-shadow:0 18px 60px rgba(0,0,0,.3)}
.video-card video,.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9;transition:transform .35s ease,opacity .35s ease}
.video-card:hover video,.video-card:hover img{transform:scale(1.04);opacity:.72}.play-badge{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.play-badge span{width:72px;height:72px;border-radius:50%;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.45);display:grid;place-items:center;backdrop-filter:blur(10px);transform:scale(.88);opacity:0;transition:.25s ease;font-weight:900}
.video-card:hover .play-badge span,.video-card[data-playing="true"] .play-badge span{opacity:1;transform:scale(1)}
.video-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px;color:#bcd0ff;font-size:14px}.tag{display:inline-block;border:1px solid var(--line);padding:5px 10px;border-radius:999px;color:#dce8ff;background:rgba(255,255,255,.05);font-size:13px;margin:4px 6px 4px 0}
section{padding:72px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}.section-head p{max-width:680px}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));padding:24px;box-shadow:0 18px 50px rgba(0,0,0,.18);transition:transform .2s ease,border-color .2s ease}.card:hover{transform:translateY(-4px);border-color:rgba(76,201,255,.55)}
.icon{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,rgba(76,201,255,.24),rgba(155,92,255,.22));display:grid;place-items:center;margin-bottom:16px;border:1px solid var(--line)}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}.kpi{padding:18px;border-radius:20px;background:rgba(255,255,255,.07);border:1px solid var(--line)}.kpi strong{display:block;font-size:28px;color:#fff}.kpi span{color:var(--muted);font-size:14px}
.steps{counter-reset:step}.step{position:relative;padding-left:72px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--purple));display:grid;place-items:center;font-weight:900}
.case-card img,.image-card img{border-radius:20px;border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover;margin-bottom:14px}.figcaption{font-size:13px;color:var(--muted);margin-top:8px}.data-panel{background:#090d1e;border:1px solid var(--line);border-radius:22px;overflow:hidden}.data-panel pre{margin:0;white-space:pre-wrap;word-break:break-word;color:#dff6ff;padding:18px;font-size:13px;max-height:420px;overflow:auto}
.faq-item{border:1px solid var(--line);border-radius:20px;padding:18px 20px;background:rgba(255,255,255,.055)}.faq-item + .faq-item{margin-top:12px}.faq-item summary{cursor:pointer;font-weight:800;color:#fff}.faq-item p{margin-top:12px}
.quote{position:relative}.quote:before{content:"“";position:absolute;font-size:70px;line-height:1;color:rgba(76,201,255,.28);top:4px;right:20px}.author{display:flex;align-items:center;gap:10px;margin-top:18px;color:#eef5ff}.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple))}
.cta{border:1px solid var(--line);border-radius:32px;padding:38px;background:linear-gradient(135deg,rgba(76,201,255,.14),rgba(155,92,255,.14));box-shadow:var(--shadow)}
.breadcrumb{padding:20px 0 0;color:var(--muted);font-size:14px}.breadcrumb a{color:#dfe8ff}.page-hero{padding:58px 0 40px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:26px;align-items:start}.aside{position:sticky;top:132px}.aside .card{padding:20px}.aside a{display:block;padding:10px 0;color:#dbe8ff;border-bottom:1px solid rgba(126,168,255,.12)}.aside a:last-child{border-bottom:0}
.site-footer{border-top:1px solid var(--line);padding:44px 0;background:rgba(4,6,16,.72)}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:28px}.footer-small{color:var(--muted);font-size:14px;margin-top:20px}.footer-small span{color:#dfe8ff}.footer-links a{display:block;margin:8px 0;color:#d7e4ff}.warning{border:1px solid rgba(83,255,214,.32);background:rgba(83,255,214,.08);border-radius:18px;padding:14px 16px;color:#cffef3;margin-top:16px}
@media (max-width:960px){.hero-grid,.grid-3,.grid-4,.grid-2,.layout,.footer-grid{grid-template-columns:1fr}.section-head{display:block}.kpi-row{grid-template-columns:repeat(2,1fr)}.aside{position:static}.nav-links{gap:6px}.hero{padding-top:56px}}
@media (max-width:560px){.navbar{align-items:flex-start;flex-direction:column}.search-form{flex-direction:column;align-items:stretch}.kpi-row{grid-template-columns:1fr}section{padding:52px 0}.card,.cta{padding:20px}h1{font-size:38px}.nav-links a{padding:8px 9px}.video-card{min-height:180px}}