:root{
  --bg:#eefdf9;
  --bg2:#f7fbff;
  --surface:rgba(255,255,255,.78);
  --surface2:rgba(226,255,248,.72);
  --ink:#081522;
  --muted:#527078;
  --line:rgba(67,117,129,.18);
  --primary:#19d7c7;
  --primary2:#7c5cff;
  --accent:#6ee7ff;
  --soft:#dffaf5;
  --warning:#fff4c7;
  --shadow:0 24px 70px rgba(20,93,119,.14);
  --radius:28px;
  --container:1180px;
}
*{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 15% 8%,rgba(25,215,199,.22),transparent 28%),radial-gradient(circle at 86% 12%,rgba(124,92,255,.16),transparent 30%),linear-gradient(180deg,var(--bg),#fff 45%,#f2fffc);color:var(--ink);overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:linear-gradient(rgba(8,21,34,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(8,21,34,.035) 1px,transparent 1px);background-size:46px 46px;mask-image:linear-gradient(180deg,rgba(0,0,0,.82),rgba(0,0,0,.08))}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}img{display:block;max-width:100%;height:auto}.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:90;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,4vw,54px);background:rgba(247,255,253,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:0 12px 40px rgba(21,116,138,.08)}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-size:23px;font-weight:950;box-shadow:0 14px 28px rgba(25,215,199,.26)}.brand-text{display:grid;line-height:1.1}.brand-text strong{font-size:22px;letter-spacing:.02em}.brand-text 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h1{font-size:clamp(42px,5.8vw,76px);line-height:.96;letter-spacing:-.065em;margin:18px 0 18px;max-width:860px}.hero-lead{font-size:18px;line-height:2;color:#405f67;margin:0 0 24px;max-width:870px}.hero-actions,.contact-actions,.download-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border-radius:999px;border:1px solid transparent;padding:13px 20px;font-weight:950;cursor:pointer;transition:.22s ease;white-space:nowrap}.btn.primary{background:linear-gradient(135deg,#13c8bc,#6c5cff);color:#fff;box-shadow:0 16px 35px rgba(25,215,199,.24)}.btn.secondary{background:#091929;color:#fff;box-shadow:0 16px 35px rgba(8,21,34,.18)}.btn.soft{background:#e4fffa;color:#075f61;border-color:rgba(25,215,199,.3)}.btn.ghost{background:rgba(255,255,255,.7);border-color:var(--line);color:#15363d}.btn:hover{transform:translateY(-2px);filter:saturate(1.08)}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px;max-width:640px}.hero-metrics article{padding:18px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.68);box-shadow:var(--shadow)}.hero-metrics strong{display:block;font-size:36px;line-height:1;letter-spacing:-.05em;background:linear-gradient(135deg,var(--primary),var(--primary2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-metrics span{display:block;color:var(--muted);font-weight:800;margin-top:6px}.hero-visual{position:relative}.slider{position:relative;min-height:575px;border:1px solid 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