#waPopupBtn {
        position: fixed;
        bottom: 90px;
        right: 24px;
        z-index: 9999;
        background: #25d366;
        color: #fff;
        border: none;
        border-radius: 50%;
        width: 54px;
        height: 54px;
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        cursor: pointer;
        transition: transform 0.2s;
      }
      #waPopupBtn:hover {
        transform: scale(1.1);
        background: #128c7e;
      }
      #waPopupBox {
        position: fixed;
        bottom: 150px;
        right: 32px;
        z-index: 10000;
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        padding: 18px 20px 14px 20px;
        min-width: 260px;
        max-width: 320px;
        display: none;
        flex-direction: column;
        gap: 10px;
        border: 1px solid #e0e7ef;
        animation: wa-popup-fadein 0.3s;
      }
      @keyframes wa-popup-fadein {
        from {
          opacity: 0;
          transform: translateY(30px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }
      #waPopupBox .wa-header {
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: bold;
        color: #128c7e;
        font-size: 1.1rem;
        margin-bottom: 4px;
      }
      #waPopupBox .wa-close {
        margin-left: auto;
        background: none;
        border: none;
        color: #888;
        font-size: 1.2rem;
        cursor: pointer;
        transition: color 0.2s;
      }
      #waPopupBox .wa-close:hover {
        color: #e11d48;
      }
      #waPopupBox .wa-desc {
        color: #444;
        font-size: 0.97rem;
        margin-bottom: 8px;
      }
      #waPopupBox .wa-action {
        display: flex;
        justify-content: flex-end;
      }
      #waPopupBox .wa-chat-btn {
        background: #25d366;
        color: #fff;
        border: none;
        border-radius: 8px;
        padding: 7px 18px;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: background 0.2s;
        display: flex;
        align-items: center;
        gap: 6px;
      }
      #waPopupBox .wa-chat-btn:hover {
        background: #128c7e;
      }
      @media (max-width: 576px) {
        #waPopupBtn {
          right: 18px;
          bottom: 70px;
          width: 46px;
          height: 46px;
          font-size: 22px;
        }
        #waPopupBox {
          right: 12px;
          min-width: 200px;
          max-width: 95vw;
          padding: 14px 10px 10px 14px;
        }
      }