.adsense-container {
       margin: 20px 0;
       text-align: center;
       clear: both;
   }

   .mobile-sticky-ad-container {
       display: none;
       position: fixed;
       bottom: 0;
       left: 50%;
       transform: translateX(-50%);
       background: #fff;
       box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
       z-index: 9999;
       padding: 10px;
       max-width: 320px;
   }

   .sticky-ad-close {
       position: absolute;
       top: 5px;
       right: 5px;
       background: #000;
       color: #fff;
       border: none;
       border-radius: 50%;
       width: 25px;
       height: 25px;
       font-size: 18px;
       line-height: 1;
       cursor: pointer;
       z-index: 10000;
   }

   @media (max-width: 768px) {
       .mobile-sticky-ad-container {
           display: block;
       }
   }