body {font-family: 'Segoe UI', Arial, sans-serif; margin:0; background:#f4f6fb; color:#222;}
header {background:#133c7a; color:#fff;padding:32px 0;text-align:center;} 
nav ul {list-style:none;display:flex;justify-content:center;gap:24px;background:#fff;padding:16px 0;margin:0;} 
nav ul li a {text-decoration:none;color:#133c7a;font-weight:bold;} 
main {max-width:900px;margin:0 auto;padding:32px 10px;} 
section {margin-bottom:48px;background:#fff;border-radius:12px;padding:24px;box-shadow:0 3px 12px rgba(0,0,0,.07);} 
section h2 {color:#133c7a;} 
footer {background:#133c7a;color:#fff;padding:32px;text-align:center;} 
footer a img {margin:0 8px;vertical-align:middle;} 
#wa-floating {box-shadow:0 4px 10px rgba(0,0,0,.14);} 
@media (max-width:600px) {
    main {padding:10px;}
    section {padding:14px;}
    nav ul {flex-direction:column; gap:12px;}
}