:root{color-scheme:light;--ink:#0f172a;--muted:#64748b;--brand:#0d9488;--bg:#f8fafc;--line:#e2e8f0;--card:#fff}
*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI",system-ui,sans-serif;background:
radial-gradient(1100px 520px at 8% -12%,#ccfbf1 0%,transparent 55%),
radial-gradient(900px 480px at 100% 0%,#e0e7ff 0%,transparent 48%),var(--bg);color:var(--ink);min-height:100vh}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 28px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.78);backdrop-filter:blur(10px);position:sticky;top:0}
.logo{font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:-.02em}
nav{display:flex;flex-wrap:wrap;gap:8px 16px}
nav a{color:var(--muted);text-decoration:none;font-size:14px}
nav a:hover{color:var(--ink)}
main{max-width:860px;margin:56px auto;padding:0 24px 64px}
.badge{display:inline-block;background:var(--brand);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
h1{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.15;margin:16px 0 12px;letter-spacing:-.03em}
.lead{color:var(--muted);font-size:1.08rem;line-height:1.6;max-width:38em}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-block;background:#1e40af;color:#fff;text-decoration:none;padding:12px 18px;border-radius:12px;font-weight:600}
.btn:hover{filter:brightness(1.05)}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:40px}
.cards article{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.cards h2{margin:0 0 8px;font-size:1.05rem}.cards p{margin:0;color:var(--muted);line-height:1.5;font-size:.95rem}
.steps{line-height:1.7;color:var(--muted);padding-left:1.2em}
footer{padding:28px;border-top:1px solid var(--line);color:#94a3b8;font-size:13px;text-align:center}
footer a{color:#64748b}
@media(max-width:640px){.top{flex-direction:column;align-items:flex-start}}