.floating-button {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #ffffff;
  color: #121416;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 2rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1000;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.floating-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  background: #f8fafc;
}

.floating-button .separator {
  width: 1px;
  height: 1rem;
  background: rgba(0, 0, 0, 0.1);
  margin: 0 0.5rem;
}

/* 動畫效果 */
@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0);
  }
}

.floating-button {
  animation: float 3s ease-in-out infinite;
}

.floating-button:hover {
  animation-play-state: paused;
}