:root{
  --bg:#f5f7fa;
  --text:#1f2937;
  --primary:#0f4c81;
  --accent:#f59e0b;
  --card:#ffffff;
  --muted:#6b7280;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
header{background:#111827;color:white}
.topbar{max-width:1100px;margin:auto;padding:22px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{font-size:1.5rem;font-weight:700}
nav a{color:white;text-decoration:none;margin-left:18px;font-size:.95rem}
.hero{background:linear-gradient(135deg,#0f4c81,#173f5f);color:white;padding:70px 20px}
.hero-inner{max-width:1100px;margin:auto}
.hero h1{font-size:2.5rem;line-height:1.15;margin:0 0 15px}
.hero p{max-width:720px;font-size:1.1rem}
.btn{display:inline-block;background:var(--accent);color:#111827;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:700;margin-top:14px}
main{max-width:1100px;margin:auto;padding:35px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.card{background:var(--card);border-radius:12px;padding:22px;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.card h2,.card h3{margin-top:0}
.card a{color:var(--primary);font-weight:700;text-decoration:none}
.badge{display:inline-block;background:#e8f1f8;color:#0f4c81;border-radius:20px;padding:4px 10px;font-size:.8rem;margin-bottom:10px}
.article{background:white;padding:32px;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.05)}
.article h1{line-height:1.2}
.article h2{margin-top:32px;color:#0f4c81}
.notice{background:#fff7e6;border-left:4px solid var(--accent);padding:15px;margin:20px 0}
.product{border:1px solid #e5e7eb;border-radius:10px;padding:18px;margin:18px 0}
.product a{display:inline-block;background:#f59e0b;color:#111;text-decoration:none;padding:10px 14px;border-radius:7px;font-weight:700}
footer{background:#111827;color:white;margin-top:40px}
.footer-inner{max-width:1100px;margin:auto;padding:30px 20px}
footer a{color:#fbbf24;text-decoration:none;margin-right:14px}
.small{font-size:.9rem;color:var(--muted)}
table{width:100%;border-collapse:collapse;margin:20px 0}
th,td{border:1px solid #ddd;padding:10px;text-align:left}
th{background:#eef3f7}
@media(max-width:700px){
  .topbar{display:block}
  nav{margin-top:12px}
  nav a{display:inline-block;margin:6px 10px 0 0}
  .hero h1{font-size:2rem}
  .article{padding:22px}
}