:root{
  --bg:#f4f7ff;--surface:#ffffff;--surface2:#f9fbff;--text:#0f172a;--muted:#5b6472;
  --primary:#2563eb;--primary2:#1d4ed8;--line:#e7ecf5;--ok:#16a34a;--warn:#f59e0b;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 18px}
.nav{position:sticky;top:0;z-index:30;background:rgba(244,247,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:800;font-size:20px;letter-spacing:.2px}.brand span{color:var(--primary)}
.links{display:flex;gap:16px;color:#334155;font-weight:600;font-size:14px;flex-wrap:wrap}
.links a.active{color:var(--primary);font-weight:800}
.nav-toggle{display:none;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:#0f172a;border-radius:10px;width:40px;height:40px;font-size:20px;line-height:1;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:11px 15px;font-weight:700;font-size:14px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary2)}
.btn-ghost{background:#fff;border-color:var(--line);color:#0f172a}
.hero{padding:62px 0 34px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:center}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e7f0ff;color:#1e40af;font-size:12px;font-weight:700;margin-bottom:12px}
h1{font-size:50px;line-height:1.04;margin:0 0 14px}
.sub{font-size:18px;color:var(--muted);line-height:1.5;max-width:700px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.pill{display:inline-block;font-size:12px;border:1px solid #dbe6ff;background:#eef4ff;color:#1e40af;padding:4px 8px;border-radius:999px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px}
.mock{display:grid;gap:10px}
.kpi{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kpi .val{font-size:24px;font-weight:800}.kpi .lab{font-size:12px;color:var(--muted)}
.section{padding:34px 0}.section h2{font-size:30px;margin:0 0 8px}.section .lead{margin:0;color:var(--muted);max-width:850px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.feature h3{margin:6px 0 6px;font-size:18px}.feature p{margin:0;color:var(--muted);font-size:14px;line-height:1.45}
.icon{font-size:20px}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.check{margin:8px 0 0;padding:0 0 0 18px;color:#334155;font-size:14px;line-height:1.5}
.check li{margin:4px 0}
.panel{background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:14px}
.footer{margin-top:34px;padding:24px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.notice{font-size:12px;color:#64748b;margin-top:8px}
@media (max-width:768px){
  h1{font-size:36px}
  .hero-grid,.grid-3,.grid-2,.strip,.kpi{grid-template-columns:1fr}
  .nav-inner{position:relative}
  .nav-toggle{display:inline-flex}
  .links{position:absolute;top:62px;right:0;left:auto;z-index:35;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px;min-width:230px;width:max-content;flex-direction:column;gap:2px;box-shadow:0 10px 24px rgba(2,6,23,.12);opacity:0;transform:translateY(-8px) scale(.98);pointer-events:none;transition:opacity .18s ease, transform .18s ease}
  .links a{font-size:17px;padding:9px 10px;border-radius:10px}
  .links a:hover{background:#f1f5f9}
  .links.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
}


/* v3 polish */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease, transform .5s ease}
.reveal.reveal-in{opacity:1;transform:translateY(0)}

.mobile-sticky-cta{display:none}
@media (max-width:768px){
  .mobile-sticky-cta{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:rgba(244,247,255,.92);backdrop-filter:blur(6px);border-top:1px solid var(--line)
  }
  body{padding-bottom:76px}
}