/* 页脚样式 */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 48px 0 24px;
  margin-top: 80px;
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-section h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 8px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--primary-color);
}

/* 公司信息 */
.footer-about {
  max-width: 400px;
}

.footer-about .company-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.footer-about .company-desc {
  margin-bottom: 20px;
  line-height: 1.8;
}

/* 联系信息 */
.contact-info {
  list-style: none;
  padding: 0;
}

.contact-info li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.8);
}

.contact-info li i {
  width: 20px;
  margin-right: 12px;
  color: var(--primary-color);
}

/* 快速链接 */
.quick-links {
  list-style: none;
  padding: 0;
}

.quick-links li {
  margin-bottom: 8px;
}

.quick-links a {
  display: inline-block;
  padding: 4px 0;
  transition: all 0.3s ease;
}

.quick-links a:hover {
  color: var(--primary-color);
  transform: translateX(4px);
}

/* 社交媒体 */
.social-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* 版权信息 */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin: 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--primary-color);
}

/* 备案信息 */
.icp-info {
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .footer {
    padding: 32px 0 20px;
    margin-top: 60px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-section h3 {
    font-size: 16px;
    margin-bottom: 16px;
  }
  
  .footer-about .company-name {
    font-size: 20px;
    margin-bottom: 12px;
  }
  
  .social-links {
    justify-content: center;
    margin-top: 16px;
  }
  
  .footer-bottom {
    padding-top: 20px;
  }
}

@media (max-width: 480px) {
  .footer {
    padding: 24px 0 16px;
    margin-top: 40px;
  }
  
  .footer-content {
    gap: 24px;
  }
  
  .footer-section h3 {
    font-size: 15px;
    margin-bottom: 12px;
  }
  
  .footer-about .company-name {
    font-size: 18px;
  }
  
  .contact-info li {
    margin-bottom: 8px;
    font-size: 14px;
  }
  
  .quick-links a {
    font-size: 14px;
  }
  
  .social-link {
    width: 36px;
    height: 36px;
  }
  
  .footer-bottom p {
    font-size: 13px;
  }
  
  .icp-info {
    font-size: 11px;
    margin-top: 8px;
  }
}