/* 页脚样式 */
footer {
  background-color: #f0f2f5;
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding: 0 2rem;
}

.contact-info h3 {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: #666;
  margin-bottom: 0.5rem;
}

.qr-code {
  text-align: center;
}

.qr-code img {
  width: 120px;
  height: 120px;
  margin-bottom: 0.5rem;
}

.qr-code p {
  color: #666;
  font-size: 0.9rem;
}

.copyright {
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.copyright p {
  color: #999;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .copyright {
    text-align: center;
    margin-top: 2rem;
  }
}