:root{
      --brand:#2f6fb0; --brand-600:#1f5c97; --ink:#0b1220; --muted:#475569; --line:#E5E7EB;
      --bg:#ffffff; --bg-soft:#f7fbff; --bg-dark:#0f172a; --ink-dark:#e2e8f0; --mx:22px; --radius:16px;
    }
    *{box-sizing:border-box}
    body{margin:0;font-family:'Inter',system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto}
    .wrap{max-width:1180px;margin:0 auto;padding:0 var(--mx)}
    header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
    nav{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .nav-links{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
    .nav-links a{padding:8px 10px;border-radius:10px;font-weight:600}
    .nav-links a:hover{background:#F8FAFC}
    .cta-top{height:40px;display:inline-flex;align-items:center;gap:8px;padding:0 14px;border-radius:10px;font-weight:800;background:var(--brand);color:#fff;border:2px solid var(--brand)}
    .cta-top:hover{background:var(--brand-600);border-color:var(--brand-600)}
    .hero{background:linear-gradient(180deg,var(--bg-soft),transparent);padding:40px 0 8px;text-align:center}
    .hero h1{font-size:clamp(28px,6vw,56px);line-height:1.05;margin:.2rem 0 .6rem}
    .hero .sub{color:var(--muted);max-width:880px;margin:0 auto}
    .hero .ou{margin:6px 0 0;color:#64748B;font-weight:700}
    section{padding:30px 0}
    .card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 22px rgba(2,6,23,.04)}
    .pad{padding:18px}
    .h2{font-size:clamp(22px,3.2vw,34px);margin:0 0 8px;text-align:center}
    .lead{color:#334155;max-width:980px;margin:0 auto;text-align:center}
    .video{margin-top:16px;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
    .video iframe{width:100%;height:56vw;max-height:560px;display:block}
    .bullets{padding:8px 0 0;text-align:center}
    .bullets .grid{display:grid;gap:16px;margin-top:16px}
    @media(min-width:900px){.bullets .grid{grid-template-columns:repeat(3,1fr)}}
    .bullet{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}
    .bullet h3{margin:.2rem 0 6px;font-size:18px}
    .muted{color:#64748B}
    .dark{background:var(--bg-dark);color:var(--ink-dark);padding:40px 0}
    .dark .h2{color:#fff}
    .dark .lead{color:#cbd5e1}
    .steps{display:grid;gap:14px;margin-top:16px}
    @media(min-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
    .step{border:1px solid rgba(148,163,184,.24);border-radius:14px;background:rgba(255,255,255,.03);padding:14px}
    .step strong{display:block;margin-bottom:6px}
    .testi .h2{text-align:center}
    .testi .grid{display:grid;gap:16px;margin-top:12px}
    @media(min-width:1000px){.testi .grid{grid-template-columns:repeat(5,1fr)}}
    .quote{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}
    .stars{color:#F59E0B;margin-bottom:8px}
    .who{margin-top:10px;color:#334155;font-weight:700}
    .role{display:block;color:#64748B;font-weight:600;font-size:12.5px}
    .banner{background:#1e40af url('/pattern-dots.svg') right -80px center/420px no-repeat;color:#fff;margin-top:24px;border-radius:18px;display:grid;gap:20px;align-items:center}
    @media(min-width:1000px){.banner{grid-template-columns:1.4fr .8fr}}
    .banner .pad{padding:24px}
    .banner h3{margin:0 0 6px;font-size:clamp(20px,3vw,28px)}
    .banner p{margin:0 0 12px;color:#e5e7eb}
    .btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 16px;border-radius:12px;border:2px solid #fff;font-weight:800}
    .btn.light{background:#fff;color:#1e40af}
    .mock{justify-self:end;padding:10px}