:root{
  --bg:#ffffff; --ink:#0b1220; --muted:#5a6a85; --line:#e6ecf5;
  --accent:#2563eb; /* blue */
  --accent2:#f97316; /* orange */
  --card:#ffffff; --shadow:0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:24px}
.nav{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 8px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:38px;width:auto;border-radius:10px;box-shadow:var(--shadow)}
.brand .name{font-weight:900;letter-spacing:.2px}
.badge{border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:var(--muted);background:#fff}
.nav a{margin-left:18px;color:#21304d}
.hero{padding:60px 0;background:linear-gradient(180deg,#ffffff 0%, #f8fbff 60%, #ffffff 100%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
@media (max-width:1000px){.hero-grid{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
h1{font-size:clamp(32px,5vw,56px);line-height:1.05;margin:0 0 8px;letter-spacing:-.02em}
h2{font-size:clamp(22px,3vw,34px);margin:0 0 10px;letter-spacing:-.01em}
h3{font-size:20px;margin:0 0 8px}
.kicker{font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-size:12px}
.lead{color:#1e293b}
.cta{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:12px;border:1px solid var(--line);background:var(--accent);color:#fff;font-weight:800;box-shadow:var(--shadow)}
.cta.outline{background:#fff;color:var(--ink)}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr}}
.code{background:#0b1220; color:#e6ecf5; border-radius:12px; padding:12px; font-size:13px}
.footer{color:#617393;font-size:13px;margin:28px 0 16px;display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:14px}
.tag{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:#334155;font-size:12px;margin-right:6px;background:#fff}
.logo-hero{max-width:380px;height:auto;border-radius:18px;box-shadow:var(--shadow)}
.hr{height:1px;background:var(--line);margin:18px 0}
.card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff;box-shadow:var(--shadow)}
.wave{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.notice{display:flex;align-items:center;gap:8px;border-left:3px solid var(--accent);padding:10px 12px;background:#eef4ff;border-radius:10px;color:#13213c}