.ad-banner { text-align:center; margin:20px auto; padding:10px; background:rgba(255,255,255,0.1); border-radius:8px; border:1px solid rgba(255,255,255,0.2); box-shadow:0 4px 15px rgba(0,0,0,0.2); }
.ad-banner img { max-width:100%; height:auto; border-radius:4px; transition:opacity .3s ease; }
.ad-banner img:hover { opacity:.9; }
.ad-banner-top { margin-top:0; margin-bottom:30px; }
.ad-banner-middle { margin:30px auto; }
.ad-banner-bottom { margin:30px auto 20px; }
.ad-row { display:flex; justify-content:center; align-items:center; gap:16px; flex-wrap:wrap; }
.ad-row img { width:300px; height:200px; }
@media (max-width:992px){ .ad-row img{ width:260px; height:173px; } }
@media (max-width:768px){ .ad-banner{ margin:15px auto; padding:8px; } }
@media (max-width:480px){ .ad-row img{ width:100%; height:auto; max-width:320px; } }