:root{
      --maxw:1100px;
      --accent:#1f7aa3;
      --muted:#6b7280;
      --bg:#ffffff;
      --card:#ffffff;
      --border:#eef2f6;
      --heading:#0b2540;
    }
    *{box-sizing:border-box}
    body{font-family:Inter, "Helvetica Neue", Arial, sans-serif;background:var(--bg);color:#111;margin:0;padding:20px;line-height:1.6}
    .container{max-width:var(--maxw);margin:0 auto;padding:28px}
    header{border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:26px}
    h1{font-size:28px;margin:0 0 8px;color:var(--heading)}
    .lede{color:var(--muted);margin:0 0 18px;font-size:15px}
    .hero{display:flex;flex-direction:column;gap:14px;margin-bottom:26px}
    .hero img{width:100%;height:auto;border-radius:8px;object-fit:cover}
    h2{color:var(--heading);font-size:20px;margin-top:28px}
    h3{font-size:16px;color:var(--heading);margin-top:18px}
    p{margin:10px 0}
    ul{margin:8px 0 16px 20px}
    .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:16px}
    .card{background:var(--card);padding:16px;border-radius:8px;border:1px solid var(--border);box-shadow:0 1px 2px rgba(15,23,42,0.03)}
    table{width:100%;border-collapse:collapse;margin-top:14px}
    th,td{padding:10px;border:1px solid var(--border);text-align:left;font-size:14px}
    th{background:#fafafa;font-weight:600}
    .note{font-size:13px;color:var(--muted);margin-top:12px}
    .cta{display:inline-block;margin-top:20px;padding:10px 16px;background:var(--accent);color:#fff;border-radius:6px;text-decoration:none}
    .small{font-size:13px;color:var(--muted)}
    .two-col{display:grid;grid-template-columns:1fr 320px;gap:18px}
    .aside{padding:16px;border-radius:8px;border:1px solid var(--border);background:#fbfdff}
    .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
    .tag{background:#f1fbff;color:var(--accent);padding:6px 8px;border-radius:6px;font-size:13px;border:1px solid #e6f5fb}
    @media (max-width:980px){.two-col{grid-template-columns:1fr}}
    @media (max-width:640px){h1{font-size:22px;padding-right:0}}