/* 页面底部样式 */
.footer {
  max-width: 1200px;
  margin: 60px auto 0;
  padding: 40px 40px 30px;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.footer-section {
  text-align: left;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  opacity: 0.8;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 20px;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 1px;
}

.footer-text {
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.footer-link:hover {
  color: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(255, 255, 255, 0.3);
  text-decoration: none;
}

.footer-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-copyright {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
}

.footer-copyright .footer-link {
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  padding: 2px 4px;
  margin: 0 2px;
  display: inline-flex;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .footer {
    margin: 40px 20px 0;
    padding: 30px 20px 20px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-title {
    font-size: 13px;
  }
  
  .footer-title::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-text {
    font-size: 12px;
  }
  
  .footer-link {
    font-size: 12px;
    justify-content: center;
  }
  
  .footer-bottom {
    padding-top: 15px;
  }
  
  .footer-copyright {
    font-size: 11px;
    padding: 0 10px;
  }
}

/* 小屏幕优化 */
@media (max-width: 480px) {
  .footer {
    margin: 30px 15px 0;
    padding: 20px 15px 15px;
  }
  
  .footer-content {
    gap: 15px;
  }
  
  .footer-link {
    font-size: 11px;
  }
  
  .footer-bottom {
    padding-top: 12px;
  }
}