.right-panel{width:250px;height:100vh;background:#fff;box-sizing:border-box;align-items:center;justify-content:center;height:100%}.right-panel img{max-width:100%;max-height:100%;object-fit:contain}@media(max-width:768px){.main-layout{flex-direction:column}.right-panel{width:100%;border-left:0;border-top:1px solid #ccc;margin-top:20px;padding:15px}}.ad-label{font-size:13px;color:#999;margin-bottom:8px;text-align:center}