html {
  font-size: 16px;
}
@media (max-width: 1200px) {
  html { font-size: 14px; }
}
@media (max-width: 900px) {
  html { font-size: 12px; }
}
@media (max-width: 600px) {
  html { font-size: 10px; }
}

.footer-container {
  background: #0d253a;
  color: #fff;
  padding: 2.5rem 0 0 0;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
}
.footer-logo-row {

  display: flex;
      justify-content: flex-start;
  margin-left: 9rem;
  align-items: center;
  padding-bottom: 1.5rem;
}
.footer-logo {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}
.footer-logo img {
  height: 3.5rem;
}
.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.footer-menus {
  display: flex;
  flex: 1;
  gap: 3.5rem;
}
.footer-menu-group {
  min-width: 7rem;
}
.footer-menu-title {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 0.7rem;
}
.footer-submenu {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-submenu li {
  margin-bottom: 0.5rem;
}
.footer-submenu a {
  color: #fff;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s, font-weight 0.2s;
}
.footer-submenu a:hover {
  /* color: #ffd700; */
  font-weight: bold;
}
.footer-contact-icons-row {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  margin-left: 2.5rem;
}
.footer-contact {
  flex: none;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.footer-contact-title {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 0.7rem;
}
.footer-contact-list {
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  line-height: 1.7;
}
.footer-icons {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1.5rem;
  margin-top: 0;
}
.footer-icons img {
  width: 5rem;
  height: 5rem;
  background: #fff;
  border-radius: 0.5rem;
  object-fit: contain;
  padding: 0.2rem;
}
.footer-copyright {
  margin-top: 2.5rem;
  padding: 1.2rem 0;
  text-align: center;
  color: #fff;
  font-size: 0.95rem;
  background: #0d253a;
  border-top: 1px solid rgba(255,255,255,0.08);
}
@media screen and (max-width: 900px) {
    .footer-logo-row {
        margin-left: 0;
    }
    .footer-logo img {
        height: 2rem;
    }

}