.footer {
  background: #f8faff;
  padding: 40px 0 40px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(67, 24, 255, 0.2), transparent);
}
.footer .footer-content {
  max-width: 1200px;
  margin: 0 auto;
}
.footer .footer-logo img {
  height: 32px;
}
.footer .footer-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 30px;
}
.footer .footer-social {
  display: flex;
  gap: 16px;
}
.footer .social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  transition: all 0.3s ease;
}
.footer .social-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.1);
}
.footer .social-link img {
  width: 20px;
  height: 20px;
}
.footer .footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.footer .link-group h4 {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
  position: relative;
}
.footer .link-group h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 20px;
  height: 2px;
  background: #4f46e5;
  border-radius: 1px;
}
.footer .link-group ul {
  list-style: none;
}
.footer .link-group ul li {
  margin-bottom: 12px;
}
.footer .link-group ul li a {
  color: #666;
  font-size: 14px;
  transition: all 0.3s ease;
  display: inline-block;
}
.footer .link-group ul li a:hover {
  color: #4f46e5;
  transform: translateX(5px);
}
.footer .contact-info ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #666;
  font-size: 14px;
}
.footer .contact-icon {
  font-size: 16px;
}
.footer .footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer .copyright {
  color: #999;
  font-size: 13px;
}
.footer .footer-legal {
  display: flex;
  gap: 24px;
}
.footer .footer-legal a {
  color: #999;
  font-size: 13px;
  transition: color 0.3s ease;
}
.footer .footer-legal a:hover {
  color: #4f46e5;
}
.footer .beian {
  color: #999;
  margin-left: 10px;
  font-size: 13px;
  transition: color 0.3s ease;
}
.footer .beian:hover {
  color: #4f46e5;
}
.footer .license {
  color: #999;
  margin-left: 10px;
  font-size: 13px;
  position: relative;
  padding-left: 10px;
}
.footer .license::before {
  content: '|';
  position: absolute;
  left: -2px;
  color: #ddd;
}