/* 紧急公告横幅样式 */

.emergency-banner-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.emergency-banner-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.emergency-banner-container .banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.emergency-banner-container .banner-text {
  flex: 1;
  min-width: 0;
}

.emergency-banner-container .banner-title {
  margin: 0 0 0.25rem 0;
  font-size: 1rem;
  font-weight: 600;
}

.emergency-banner-container .banner-message {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

.emergency-banner-container .banner-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.emergency-banner-container .banner-close-btn:hover {
  background: rgba(0, 0, 0, 0.1);
}

/* 不同类型的样式 */
.emergency-banner-info {
  background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
  color: white;
}

.emergency-banner-success {
  background: linear-gradient(135deg, #52c41a 0%, #389e0d 100%);
  color: white;
}

.emergency-banner-warning {
  background: linear-gradient(135deg, #faad14 0%, #d48806 100%);
  color: #000;
}

.emergency-banner-error {
  background: linear-gradient(135deg, #f5222d 0%, #cf1322 100%);
  color: white;
}

.emergency-banner-announcement {
  background: linear-gradient(135deg, #722ed1 0%, #531dab 100%);
  color: white;
}

/* 响应式 */
@media (max-width: 768px) {
  .emergency-banner-content {
    padding: 0.75rem 1rem;
    gap: 0.75rem;
  }
  
  .emergency-banner-container .banner-icon {
    font-size: 1.25rem;
  }
  
  .emergency-banner-container .banner-title {
    font-size: 0.9rem;
  }
  
  .emergency-banner-container .banner-message {
    font-size: 0.8rem;
  }
  
  .emergency-banner-container .banner-close-btn {
    font-size: 1.25rem;
    width: 1.75rem;
    height: 1.75rem;
  }
}