.ad-wrapper {
        margin: 80px auto;
        text-align: center;
      }

      .ad-inner {
        width: 800px;
        height: 150px;
        margin: 0 auto;
        border: 1px solid #ccc;
        border-radius: 8px;
        position: relative;
        overflow: hidden;
        background: #f9f9f9;
        box-shadow: 0 0 4px rgba(0,0,0,0.1);
      }

      .ad-label {
        position: absolute;
        top: 0;
        left: 0;
        background: #333;
        color: #fff;
        font-size: 12px;
        font-weight: bold;
        padding: 4px 8px;
        border-bottom-right-radius: 6px;
        z-index: 10;
      }

      @media (max-width: 768px) {
        .ad-inner {
          width: 100%;
          height: auto;
        }
      }