/* 页脚样式 - 全站统一 */
.app-footer {
  background: #1a1f36;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 24px 30px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col {
  /* grid item */
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #fff;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

.footer-logo {
  margin-bottom: 12px;
}

.footer-logo .logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
}

.footer-bottom p {
  margin: 4px 0;
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

.footer-bottom a:hover {
  opacity: 0.8;
}

/* 响应式 */
@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}