/* 离线提示样式 */
.offline-message {
  background-color: #f8d7da;
  color: #721c24;
  padding: 12px;
  margin-bottom: 20px;
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #f5c6cb;
  animation: fadeIn 0.5s ease;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}