:root{
  --bg:#070a14;
  --panel:rgba(255,255,255,.08);
  --panel-strong:rgba(255,255,255,.14);
  --text:#f8fbff;
  --muted:#b8c4d8;
  --brand:#ff6fb6;
  --brand2:#56e4ff;
  --gold:#ffd166;
  --line:rgba(255,255,255,.14);
  --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;
  background:
    radial-gradient(circle at 12% 8%, rgba(255,111,182,.22), transparent 30%),
    radial-gradient(circle at 85% 0%, rgba(86,228,255,.20), transparent 28%),
    linear-gradient(180deg,#090d1b 0%,#0c1120 45%,#070a14 100%);
  color:var(--text);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:auto}
.skip-link{position:absolute;left:-999px;top:auto}
.skip-link:focus{left:16px;top:16px;background:#fff;color:#111;padding:10px 14px;border-radius:10px;z-index:99}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(7,10,20,.72);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.04em}
.logo-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;box-shadow:0 0 30px rgba(255,111,182,.45)}
.logo-mark:before{content:"▶";color:#fff;font-size:16px}
.nav{display:flex;gap:20px;align-items:center;flex-wrap:wrap;color:#dce8ff;font-size:14px}
.nav a{opacity:.9;transition:.25s}
.nav a:hover{opacity:1;color:#fff;text-shadow:0 0 18px rgba(86,228,255,.8)}
.search-zone{border-top:1px solid var(--line);padding:13px 0 16px;background:rgba(255,255,255,.02)}
.fake-search{display:flex;gap:10px;align-items:center}
.fake-search input{flex:1;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;border-radius:999px;padding:14px 18px;outline:none}
.fake-search button,.btn{border:0;border-radius:999px;padding:14px 22px;color:#08111d;font-weight:800;background:linear-gradient(135deg,var(--gold),var(--brand));cursor:pointer;box-shadow:0 12px 30px rgba(255,111,182,.22);transition:.25s}
.fake-search button:hover,.btn:hover{transform:translateY(-2px)}
.search-tip{margin:8px 0 0;color:var(--muted);font-size:13px}
.hero{position:relative;min-height:720px;display:grid;align-items:center;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,10,20,.92),rgba(7,10,20,.48),rgba(7,10,20,.88)),var(--hero);background-size:cover;background-position:center;filter:saturate(1.15)}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:210px;background:linear-gradient(transparent,var(--bg))}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.kicker{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);background:rgba(255,255,255,.08);padding:9px 13px;border-radius:999px;color:#e8f5ff;font-size:14px}
.kicker:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand2);box-shadow:0 0 18px var(--brand2)}
h1{font-size:clamp(42px,7vw,86px);line-height:1.02;margin:22px 0 18px;letter-spacing:-.06em}
.gradient{background:linear-gradient(135deg,#fff,var(--brand2) 45%,var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(18px,2.2vw,24px);line-height:1.8;color:#d7e4f8;max-width:760px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
.btn.secondary{background:rgba(255,255,255,.1);color:#fff;border:1px solid var(--line)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
.metric{background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:20px;padding:18px}
.metric strong{display:block;font-size:28px}
.device-card{background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:34px;padding:18px;box-shadow:var(--shadow);animation:float 5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.video-frame{position:relative;border-radius:24px;overflow:hidden;background:#111;aspect-ratio:16/10;border:1px solid var(--line)}
.video-frame img{width:100%;height:100%;object-fit:cover;transition:.45s}
.video-frame:hover img{transform:scale(1.05);filter:brightness(.72)}
.play{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.3s;background:rgba(0,0,0,.15)}
.video-frame:hover .play{opacity:1}
.play span{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.92);color:#111;font-size:24px;box-shadow:0 0 45px rgba(86,228,255,.55)}
.section{padding:88px 0;position:relative}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
.section h2{font-size:clamp(30px,4vw,54px);line-height:1.1;margin:0}
.section p{color:var(--muted);line-height:1.86}
.grid{display:grid;gap:20px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--panel-strong),rgba(255,255,255,.055));border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.18);transition:.28s}
.card:hover{transform:translateY(-6px);border-color:rgba(86,228,255,.5)}
.card h3{margin:0 0 10px;font-size:22px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12px;color:#06111a;background:linear-gradient(135deg,var(--brand2),#fff);padding:7px 10px;border-radius:999px;font-weight:800}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.video-card{padding:0;overflow:hidden}
.video-card .body{padding:18px}
.stats{display:flex;gap:12px;flex-wrap:wrap;color:#dbe9ff;font-size:13px;margin-top:13px}
.stats span{background:rgba(255,255,255,.08);border:1px solid var(--line);padding:6px 9px;border-radius:999px}
.timeline{counter-reset:item;display:grid;gap:14px}
.timeline .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.timeline .step:before{counter-increment:item;content:counter(item);width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;font-weight:900}
.case-image{border-radius:20px;overflow:hidden;margin-bottom:16px}
.case-image img{aspect-ratio:16/9;object-fit:cover;width:100%}
.quote{font-size:16px;line-height:1.85}
.avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;font-weight:900}
.user-row{display:flex;gap:12px;align-items:center;margin-top:18px}
.faq details{background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:20px;padding:18px;margin-bottom:12px}
.faq summary{font-weight:800;cursor:pointer}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.map-placeholder,.qr{min-height:240px;border:1px dashed rgba(255,255,255,.28);border-radius:24px;display:grid;place-items:center;background:rgba(255,255,255,.06);text-align:center;padding:24px}
.footer{border-top:1px solid var(--line);padding:36px 0;background:rgba(0,0,0,.24)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px}
.breadcrumb{padding:26px 0;color:var(--muted);font-size:14px}
.page-hero{padding:70px 0 40px}
.page-hero h1{font-size:clamp(38px,5vw,68px)}
.marquee{overflow:hidden;border-block:1px solid var(--line);background:rgba(255,255,255,.04)}
.marquee span{display:inline-block;white-space:nowrap;padding:16px 0;animation:mar 22s linear infinite;color:#eaf7ff}
@keyframes mar{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(max-width:900px){
  .nav{display:none}
  .hero{min-height:auto;padding:70px 0}
  .hero-inner,.grid.three,.grid.two,.video-grid,.contact-box,.footer-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .metrics{grid-template-columns:1fr}
  .fake-search{flex-direction:column;align-items:stretch}
}