:root{
  --bg0:#060912; --bg1:#0b1130; --bg2:#171f4f;
  --text:#ecf2ff; --muted:#aab8df;
  --line:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.06);
  --primary:#67e7ff; --violet:#8f7bff; --cyan:#38ffd2;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:linear-gradient(160deg,var(--bg0),var(--bg1) 45%,var(--bg2));
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 90%);
}
.bg-orb{
  position:fixed;border-radius:50%;filter:blur(8px);opacity:.35;z-index:-1;
  animation:float 12s ease-in-out infinite;
}
.orb-1{width:340px;height:340px;left:-80px;top:80px;background:#39b8ff33}
.orb-2{width:420px;height:420px;right:-120px;top:-40px;background:#8f7bff44;animation-delay:-3s}
.orb-3{width:280px;height:280px;right:20%;bottom:-90px;background:#36ffd033;animation-delay:-6s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-24px)}}

.container{width:min(1140px,92%);margin:0 auto}
.nav{
  position:sticky;top:12px;z-index:20;
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;margin-top:12px;border-radius:14px;
}
.glass{background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px)}
.brand{font-weight:800;font-size:20px}
.brand b{background:linear-gradient(130deg,var(--primary),var(--violet));-webkit-background-clip:text;color:transparent}
.nav-links a{color:var(--muted);text-decoration:none;margin-left:12px;font-size:14px}
.nav-links a:hover{color:#d7e3ff}

.page{padding:22px 0 40px}
.hero{
  display:grid;grid-template-columns:1.1fr .9fr;gap:18px;perspective:1200px;
}
.card{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
  transform-style:preserve-3d;
}
.tilt{transition:transform .35s ease, filter .35s ease}
.tag{
  display:inline-block;font-size:12px;padding:4px 10px;border-radius:99px;
  border:1px solid rgba(103,231,255,.4);color:#b8f4ff;background:rgba(103,231,255,.1);
}
h1{font-size:42px;line-height:1.15;margin:10px 0}
h1 span{background:linear-gradient(130deg,var(--primary),var(--violet));-webkit-background-clip:text;color:transparent}
h2,h3{margin:0 0 8px}
.muted{color:var(--muted);line-height:1.8}
.btn-row{margin-top:14px}
.btn{
  display:inline-block;text-decoration:none;padding:11px 16px;border-radius:12px;
  border:1px solid var(--line);color:var(--text);margin-right:10px;margin-top:8px;
}
.btn.primary{border:none;color:#07131f;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--violet))}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.metrics div{padding:10px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.03)}
.metrics b{display:block;color:var(--cyan);font-size:22px}
.metrics span{font-size:12px;color:var(--muted)}

.device-stage{perspective:1200px}
.device{
  position:relative;height:100%;min-height:280px;
  background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.03));
}
.device-top{font-size:13px;color:#cfe2ff;margin-bottom:10px}
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.node{
  padding:12px;border-radius:12px;text-align:center;font-size:13px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05)
}
.pulse-line{
  position:absolute;left:18px;right:18px;bottom:18px;height:3px;border-radius:999px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  animation:pulse 2.2s linear infinite;
}
@keyframes pulse{0%{transform:translateX(-20%)}100%{transform:translateX(20%)}}

.panel{margin-top:16px}
.logo-strip{
  display:flex;gap:12px;flex-wrap:wrap;padding:12px;border-radius:14px;
}
.logo-strip span{
  padding:7px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);font-size:13px;color:#d5e3ff;
}

.section-title{margin:28px 0 10px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.matrix{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.matrix .row{display:grid;grid-template-columns:1fr 1fr 1fr 1fr}
.matrix .row>div{padding:12px;border-bottom:1px solid rgba(255,255,255,.08);font-size:14px}
.matrix .head{background:rgba(255,255,255,.06);font-weight:700}
.list{margin:0;padding-left:18px;color:var(--muted);line-height:1.9}
.cta{margin-top:18px;text-align:center}
.footer{margin-top:22px;padding:24px 0 36px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.footer a{color:#d4e1ff;text-decoration:none;margin-right:10px}

@media (max-width:980px){
  .hero{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .matrix .row{grid-template-columns:1fr}
  h1{font-size:34px}
}