:root{
  --bg:#0b1118;
  --panel:#111a24;
  --panel-2:#162331;
  --text:#eef5fb;
  --muted:#a9b8c6;
  --line:#243344;
  --brand:#1FA0D8;
  --brand-2:#004466;
  --warm:#660000;
  --white:#ffffff;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.header{position:sticky;top:0;z-index:20;background:rgba(11,17,24,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.08em;font-size:20px}.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;font-size:18px;box-shadow:0 10px 28px rgba(31,160,216,.28)}
.nav-links{display:flex;gap:26px;align-items:center;color:var(--muted);font-size:14px}.nav-links a.active,.nav-links a:hover{color:var(--white)}
.hero{padding:96px 0 74px;background:radial-gradient(circle at 15% 20%,rgba(31,160,216,.24),transparent 36%),radial-gradient(circle at 90% 12%,rgba(102,0,0,.20),transparent 32%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}.eyebrow{color:var(--brand);font-weight:700;letter-spacing:.13em;text-transform:uppercase;font-size:13px}.hero h1{font-size:56px;line-height:1.04;margin:16px 0 20px;letter-spacing:-.04em}.lead{font-size:20px;color:#c6d3df;max-width:720px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:12px;border:1px solid var(--line);font-weight:700}.btn.primary{background:var(--brand);color:#061018;border-color:transparent}.btn:hover{transform:translateY(-1px)}
.hero-card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid rgba(255,255,255,.11);border-radius:28px;padding:28px;box-shadow:0 28px 80px rgba(0,0,0,.28)}.signal{display:grid;gap:12px}.bar{height:12px;border-radius:999px;background:#1f2d3b;overflow:hidden}.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#8bd8f5)}.metric{display:grid;grid-template-columns:1fr auto;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}.metric:last-child{border-bottom:0}.metric strong{font-size:22px}.metric small{color:var(--muted)}
.section{padding:74px 0}.section.light{background:#f6f9fc;color:#0c1420}.section.light .muted,.section.light p{color:#5e6c7a}.section h2{font-size:36px;margin:0 0 14px;letter-spacing:-.025em}.section-intro{max-width:760px;color:var(--muted);margin-bottom:32px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:24px}.light .card{background:#fff;border-color:#e2e8f0}.card h3{margin:0 0 10px;font-size:21px}.card p{margin:0;color:var(--muted)}.tag{display:inline-flex;margin-bottom:14px;color:var(--brand);font-weight:800;font-size:13px}.pill-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.pill{border:1px solid var(--line);color:#c7d5e2;padding:8px 12px;border-radius:999px;font-size:13px}.light .pill{color:#334155;border-color:#d7e0ea}
.page-hero{padding:72px 0 52px;background:linear-gradient(180deg,#0e1721,#0b1118)}.page-hero h1{font-size:46px;margin:10px 0 12px;letter-spacing:-.035em}.page-hero p{color:var(--muted);font-size:18px;max-width:820px}.product-title{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.product-badge{border:1px solid rgba(31,160,216,.4);color:#9fe3ff;padding:6px 10px;border-radius:999px;font-size:12px;white-space:nowrap}.contact-box{background:linear-gradient(135deg,var(--brand-2),#102030);border-radius:28px;padding:34px;border:1px solid rgba(255,255,255,.12)}.contact-row{display:grid;grid-template-columns:210px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}.contact-row:last-child{border-bottom:0}.contact-row span{color:#b9c9d6}.contact-row a{font-size:20px;font-weight:800;color:#fff}
.footer{padding:34px 0;border-top:1px solid rgba(255,255,255,.08);color:var(--muted);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.cn{color:#c8d6e2;font-size:15px;margin-top:8px}.light .cn{color:#475569}.note{font-size:13px;color:#8ca0b3;margin-top:18px}.light .note{color:#64748b}
@media (max-width:820px){.nav{align-items:flex-start;flex-direction:column;padding:18px 0;gap:14px}.nav-links{gap:14px;flex-wrap:wrap}.hero-grid,.grid-3,.grid-2{grid-template-columns:1fr}.hero{padding:64px 0}.hero h1{font-size:40px}.section h2,.page-hero h1{font-size:34px}.contact-row{grid-template-columns:1fr}.container{width:min(var(--max),calc(100% - 28px))}}