:root{
  --bg:#080d1a;
  --bg-soft:#0f172b;
  --panel:rgba(255,255,255,.06);
  --panel-strong:rgba(255,255,255,.1);
  --ink:#f4f7ff;
  --muted:#a9b7d0;
  --line:rgba(255,255,255,.14);
  --cyan:#56e0e6;
  --violet:#8b5cf6;
  --blue:#60a5fa;
  --shadow:0 24px 60px rgba(3,7,18,.55);
  --radius:20px;
  --max:1180px;
  --font:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 12% 18%,rgba(86,224,230,.16),transparent 32%),
    radial-gradient(circle at 82% 8%,rgba(139,92,246,.18),transparent 34%),
    var(--bg);
  color:var(--ink);
  font-family:var(--font);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}

.topbar{
  position:sticky;top:0;z-index:30;
  backdrop-filter:blur(18px);
  background:rgba(8,13,26,.78);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em}
.logo{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  color:#04101c;font-weight:900;
  box-shadow:0 0 22px rgba(86,224,230,.28);
}
.brand small{display:block;font-size:10px;letter-spacing:.22em;color:var(--muted);font-weight:500}
.nav-links{display:flex;gap:26px;color:var(--muted);font-size:14px}
.nav-links a{transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a.active{border-bottom:1px solid var(--cyan);padding-bottom:4px}
.nav-cta{
  border:1px solid rgba(86,224,230,.5);
  border-radius:999px;padding:9px 16px;color:#dffdfb;font-size:13px;
  background:rgba(86,224,230,.1);
  transition:.2s;
}
.nav-cta:hover{background:rgba(86,224,230,.18);transform:translateY(-1px)}

.hero{padding:88px 0 62px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;letter-spacing:.16em;color:var(--cyan);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor}
h1{font-size:clamp(44px,5.4vw,72px);line-height:1.08;letter-spacing:-.055em;margin:20px 0 22px}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:17px;max-width:560px;margin:0 0 30px}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 20px;border-radius:999px;font-size:14px;border:1px solid var(--line);
  transition:.2s;background:rgba(255,255,255,.06);
}
.btn:hover{transform:translateY(-2px);border-color:rgba(86,224,230,.55)}
.btn-primary{
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  color:#04101c;font-weight:750;border:0;
  box-shadow:0 14px 34px rgba(86,224,230,.2);
}
.hero-media{
  margin:0;position:relative;border:1px solid var(--line);border-radius:28px;
  overflow:hidden;background:rgba(255,255,255,.04);box-shadow:var(--shadow);
}
.hero-media img{width:100%;height:auto}
.hero-media figcaption{
  padding:12px 16px;border-top:1px solid var(--line);
  font-size:11px;letter-spacing:.1em;color:var(--muted);display:flex;justify-content:space-between;gap:14px;
}
.hero-media figcaption b{color:var(--cyan);font-weight:600}

.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:34px 0 90px}
.metric{padding:24px 20px 24px 0}
.metric+.metric{border-left:1px solid var(--line);padding-left:24px}
.metric strong{display:block;font-size:24px;letter-spacing:-.03em}
.metric span{font-size:12px;color:var(--muted)}

.section{padding:0 0 90px}
.section-head{display:grid;grid-template-columns:.6fr 1.4fr;gap:36px;margin-bottom:36px}
h2{font-size:clamp(32px,4vw,50px);line-height:1.18;letter-spacing:-.045em;margin:0}
.section-head p{color:var(--muted);margin:12px 0 0;max-width:620px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;min-height:230px;transition:.2s;
}
.card:hover{background:var(--panel-strong);transform:translateY(-3px)}
.card-no{font-family:Consolas,monospace;font-size:11px;color:var(--cyan)}
.card h3{font-size:20px;margin:36px 0 10px}
.card p{color:var(--muted);font-size:14px;margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.feature{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:18px}
.feature i{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(86,224,230,.12);color:var(--cyan);font-size:20px;font-style:normal}
.feature h3{font-size:18px;margin:0 0 8px}
.feature p{color:var(--muted);font-size:13px;margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:clamp(30px,3.6vw,44px)}
.split p{color:var(--muted)}
.checklist{list-style:none;margin:24px 0 0;padding:0}
.checklist li{border-top:1px solid var(--line);padding:14px 0;font-size:14px}
.checklist li::before{content:"✓";color:var(--cyan);margin-right:12px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.code{font-family:Consolas,monospace;color:#cfe0ff;font-size:12px;line-height:1.9;margin:0;white-space:pre-wrap}

.page-hero{padding:76px 0 50px;border-bottom:1px solid var(--line);margin-bottom:56px}
.breadcrumb{font-size:11px;color:var(--muted);letter-spacing:.1em;margin-bottom:24px}
.breadcrumb a{color:var(--cyan)}
.page-title{font-size:clamp(42px,5.4vw,68px);line-height:1.1;letter-spacing:-.055em;margin:0 0 20px}
.page-lead{color:var(--muted);font-size:16px;max-width:680px;margin:0}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}
table{width:100%;min-width:620px;border-collapse:collapse;text-align:left;font-size:13px}
th,td{padding:18px 20px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.12em;background:rgba(255,255,255,.04)}
tr:last-child td{border-bottom:0}
td:first-child{color:#fff;font-weight:650}
.tag{display:inline-block;padding:3px 9px;border-radius:999px;background:rgba(86,224,230,.14);color:var(--cyan);font-size:10px}

.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.download-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:26px}
.download-card .platform{font-size:11px;letter-spacing:.14em;color:var(--cyan)}
.download-card h3{font-size:22px;margin:10px 0 8px}
.download-card p{color:var(--muted);font-size:13px;min-height:42px}
.download-meta{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;margin:20px 0;color:var(--muted);font-size:11px}

.timeline{border-left:1px solid rgba(86,224,230,.4);margin-left:8px;padding-left:30px}
.timeline article{position:relative;padding-bottom:30px}
.timeline article::before{content:"";position:absolute;width:8px;height:8px;background:var(--cyan);border:4px solid var(--bg);border-radius:50%;left:-38px;top:8px}
.timeline time{font-family:Consolas,monospace;color:var(--cyan);font-size:11px}
.timeline h3{font-size:19px;margin:5px 0 6px}
.timeline p{color:var(--muted);font-size:14px;margin:0}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.value{border-top:1px solid rgba(86,224,230,.4);padding-top:20px}
.value h3{font-size:19px;margin:0 0 8px}
.value p{color:var(--muted);font-size:13px;margin:0}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:44px;background:linear-gradient(120deg,rgba(86,224,230,.1),rgba(139,92,246,.12));border:1px solid var(--line);border-radius:26px;padding:38px}
.contact h2{font-size:34px}
.contact p{color:var(--muted)}
.mail{color:var(--cyan);font-size:19px}
.form{display:grid;gap:12px}
.form input,.form textarea{width:100%;border:1px solid var(--line);background:rgba(8,13,26,.7);color:#fff;border-radius:12px;padding:13px 15px;outline:none}
.form input:focus,.form textarea:focus{border-color:var(--cyan)}
.form textarea{min-height:100px;resize:vertical}
.form button{cursor:pointer}

.cta{
  margin:90px 0;padding:42px;border:1px solid var(--line);border-radius:26px;
  background:radial-gradient(circle at 80% 0,rgba(139,92,246,.2),transparent 45%),rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta h2{font-size:32px;margin:0 0 8px}
.cta p{color:var(--muted);margin:0}

footer{border-top:1px solid var(--line);padding:40px 0 24px;color:var(--muted);font-size:12px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;margin-bottom:34px}
.footer-grid h4{color:#fff;font-size:12px;margin:0 0 15px}
.footer-grid a{display:block;margin:8px 0}
.footer-brand{font-size:21px;color:#fff;font-weight:800}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:16px}
.footer-note{margin:0}
.footer-note a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}

@media(max-width:900px){
  .hero-grid,.split,.contact{grid-template-columns:1fr}
  .hero{padding-top:62px}
  .hero-grid{gap:42px}
  .section-head{grid-template-columns:1fr;gap:14px}
  .cards,.feature-grid,.download-grid,.values{grid-template-columns:1fr}
  .card{min-height:auto}
  .card h3{margin-top:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:640px){
  .wrap{width:calc(100% - 34px)}
  .nav{flex-wrap:wrap;padding:16px 0;gap:16px}
  .nav-links{order:3;width:100%;justify-content:space-between;gap:10px;font-size:12px}
  .brand small{display:none}
  .hero{padding:48px 0 34px}
  h1{font-size:44px}
  .lead{font-size:15px}
  .metrics{grid-template-columns:repeat(2,1fr);margin-bottom:64px}
  .metric:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .metric:nth-child(4){border-top:1px solid var(--line)}
  .section{padding-bottom:68px}
  .cta{padding:26px;display:block}
  .cta .btn{margin-top:20px}
  .contact{padding:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}