:root { --blue:#0f3d73; --accent:#1f7ae0; --muted:#f5f8fd; --ink:#182335; }
    html,body{margin:0;padding:0}
    body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; line-height:1.7; color:var(--ink); background:#fff;}
    .wrap{max-width:980px;margin:auto;padding:28px 20px;}
    .hero{background:var(--muted);border-radius:16px;padding:28px;margin:10px 0 24px;}
    .hero h1{margin:0 0 8px; color:var(--blue); font-size:34px;}
    .toc{background:#fff;border:1px solid #e6edf7;border-radius:12px;padding:16px;margin:18px 0}
    h2{color:var(--blue); margin-top:36px}
    h3{margin-top:20px}
    .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
    .card{border:1px solid #e6edf7;border-radius:12px;padding:14px;background:#fff}
    ul.check{list-style:none;padding:0;margin:0}
    ul.check li{padding-left:28px;position:relative;margin:8px 0}
    ul.check li::before{content:"✔";position:absolute;left:0;top:0;color:var(--accent);font-weight:700}
    .note{font-size:14px;color:#5d6b80}
    .cta{background:var(--blue);color:#fff;text-align:center;padding:20px;border-radius:14px;margin:30px 0;font-weight:600}
    .cta a{color:#fff;text-decoration:none;border-bottom:2px solid rgba(255,255,255,.6)}
    .faq dt{font-weight:700;margin-top:14px}
    .faq dd{margin:6px 0 14px}
    a{color:var(--accent)}