:root{--primary:#0b66b3;--dark:#063e6a;--bg:#f6f9fc;--text:#111}
*{box-sizing:border-box}
body{font-family:Inter, system-ui, -apple-system, Roboto, Arial, sans-serif;margin:0;background:var(--bg);color:var(--text);line-height:1.7}
.container{max-width:1100px;margin:0 auto;padding:18px}
.header{background:var(--dark);color:#fff;padding:28px 0;text-align:center}
.header h1{margin:0;font-size:28px}
.nav{background:var(--primary);padding:10px}
.nav .container{display:flex;gap:14px;flex-wrap:wrap}
.nav a{color:#fff;text-decoration:none;padding:8px 10px;border-radius:8px}
.hero{background:#fff;padding:22px;margin:18px 0;border-radius:12px;box-shadow:0 6px 20px rgba(2,6,23,0.06)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:#fff;padding:16px;border-radius:10px;box-shadow:0 6px 18px rgba(2,6,23,0.04);}
.article{background:#fff;padding:20px;border-radius:10px;box-shadow:0 6px 18px rgba(2,6,23,0.04);margin:18px 0}
.ad{border:2px dashed #cbd5e1;padding:18px;border-radius:10px;text-align:center;background:#fff;margin:18px 0}
footer{background:var(--dark);color:#fff;padding:16px;text-align:center;margin-top:28px}
a.cta{display:inline-block;background:var(--primary);color:#fff;padding:10px 14px;border-radius:8px;text-decoration:none;margin-top:10px}