@keyframes pulse-orange {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 165, 0, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(255, 165, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 165, 0, 0);
  }
}

.aniu-toggle-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 80px;
  height: 80px;
  background-image: url('../images/ANIU.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #141414;
  border: 1px solid orange;
  border-radius: 50%;
  cursor: pointer;
  z-index: 9999;
  transition: transform 0.3s ease;
  animation: pulse-orange 2s infinite;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .aniu-toggle-button {
    width: 75px;
    height: 75px;
    bottom: 18px;
    left: 18px;
    z-index: 9999;
  }
}

@media (max-width: 480px) {
  .aniu-toggle-button {
    width: 50px;
    height: 50px;
    bottom: 15px;
    left: 15px;
    z-index: 9999;
  }
}

@media (display-mode: standalone) {
  .aniu-toggle-button {
    width: 55px;
    height: 55px;
    bottom: 18px;
    left: 18px;
    z-index: 9999;
  }
}

.aniu-toggle-button:hover {
  transform: scale(1.05);
  animation-play-state: paused;
}

.aniu-toggle-button:active {
  transform: scale(1);
}