.language-switch {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.language-switch button {
  background-color: rgba(255, 255, 255, 0.9);
  color: #666;
  border: 1px solid rgba(0, 0, 0, 0.1);
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.language-switch button:hover {
  background-color: rgba(255, 255, 255, 1);
  transform: scale(1.05);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.language-switch button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.language-switch i {
  font-size: 20px;
}

/* 翻译错误消息样式 */
.translation-error {
  position: fixed;
  top: 70px;
  right: 20px;
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  z-index: 1000;
  animation: fadeInOut 3s ease-in-out;
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateY(-20px); }
  10% { opacity: 1; transform: translateY(0); }
  90% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-20px); }
}

@media (max-width: 768px) {
  .language-switch {
    top: 15px;
    right: 15px;
  }

  .language-switch button {
    width: 36px;
    height: 36px;
    padding: 6px;
  }

  .language-switch i {
    font-size: 18px;
  }

  .translation-error {
    top: 60px;
    right: 15px;
    font-size: 14px;
    padding: 8px 16px;
  }
}

.translate-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 1000;
}

.translate-button:hover {
    background-color: #0056b3;
    transform: scale(1.1);
}

.translate-button i {
    font-size: 24px;
}

@media (max-width: 768px) {
    .translate-button {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
    }
    
    .translate-button i {
        font-size: 20px;
    }
}