*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Arial,sans-serif;background:#f6f8fc;color:#222}nav{display:flex;justify-content:center;gap:30px;padding:20px;background:rgba(255,255,255,.95);position:sticky;top:0}nav a{text-decoration:none;color:#334} .brand{font-weight:700;color:#4668b8}.hero{background:linear-gradient(135deg,#eef3ff,#ffffff)}.hero-content{max-width:1200px;margin:auto;padding:60px 20px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px}.hero img{width:100%;max-width:420px}.hero h1{font-size:3rem;color:#4668b8;margin-bottom:15px}.hero p{font-size:1.2rem}.btn{display:inline-block;background:#4668b8;color:#fff;padding:14px 28px;border-radius:8px;text-decoration:none;margin-top:20px}.cards,.grid{max-width:1200px;margin:auto;padding:60px 20px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:#fff;padding:25px;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.08)}h2{text-align:center;color:#4668b8;padding-top:20px}.banner{background:#4668b8;color:#fff;text-align:center;padding:70px 20px;margin-top:30px}footer{text-align:center;padding:40px;background:#1f2f5f;color:#fff}@media(max-width:768px){.hero-content,.cards{grid-template-columns:1fr}.hero h1{font-size:2rem}}