:root{--bg:#f4f7fa;--surface:#fff;--ink:#14202e;--muted:#5a6b7b;--line:#e2e8ef;--brand:#008dd2;--brand-ink:#fff;--brand-dark:#0a5e8f;--glow:#fff2b0;--shadow:0 10px 30px rgba(16,42,67,.08);--radius:16px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}ul{list-style:none}.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}.section{padding:72px 0}.section-tight{padding:44px 0}.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);background:rgba(0,141,210,.1);padding:6px 12px;border-radius:999px}h1,h2,h3{line-height:1.15;letter-spacing:-.01em}h1{font-size:clamp(30px,5vw,52px)}h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:14px}h3{font-size:19px}.lead{color:var(--muted);font-size:17px}.section-head{max-width:720px;margin-bottom:34px}.section-head p{color:var(--muted);margin-top:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .08s ease,background .2s ease,box-shadow .2s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 8px 20px rgba(0,141,210,.28)}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn-sm{padding:9px 14px;font-size:14px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(0,0%,100%,.82);-webkit-backdrop-filter:saturate(160%) blur(12px);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}.nav-inner{justify-content:space-between;height:64px}.logo,.nav-inner{display:flex;align-items:center}.logo{gap:10px;font-weight:800;font-size:18px}.logo-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));position:relative;overflow:hidden}.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:3px;background:var(--glow)}.nav-links{display:flex;align-items:center;gap:6px}.nav-links a{padding:8px 14px;border-radius:10px;font-weight:500;color:var(--muted)}.nav-links 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