#installBtn {
  display: none;
  width: 100%;
  padding: 14px;
  margin-top: 8px;
  background: rgba(124,108,252,0.1);
  border: 1px solid rgba(124,108,252,0.35);
  border-radius: 14px;
  color: #7c6cfc;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}
#installBtn:hover { background: rgba(124,108,252,0.2); }

#installIosHint {
  display: none;
  margin-top: 10px;
  padding: 12px 14px;
  background: rgba(124,108,252,0.08);
  border: 1px solid rgba(124,108,252,0.2);
  border-radius: 12px;
  font-size: 13px;
  color: #9898b0;
  line-height: 1.6;
  text-align: center;
}