body.impact-site .site-footer {
  display: block;
  margin-top: 54px;
  padding: 36px 34px 22px;
  border-top: 2px solid var(--impact-red);
  background: var(--impact-neutral-200);
  color: var(--impact-ink);
}
.footer-main { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(0, 1.45fr); gap: 48px; }
body.impact-site .site-footer .footer-brand { display: inline-flex; align-items: center; gap: 12px; }
.footer-brand img { display: block; max-width: 100%; height: auto; }
.footer-brand-mark { flex: 0 0 28px; width: 28px; }
.footer-wordmark-en { width: 210px; }
body.impact-site .site-footer .footer-wordmark-zh { display: none; width: 180px; }
html:lang(zh-CN) body.impact-site .site-footer .footer-wordmark-en { display: none; }
html:lang(zh-CN) body.impact-site .site-footer .footer-wordmark-zh { display: block; }
.footer-tagline { max-width: 235px; margin: 20px 0 18px; color: var(--impact-neutral-500); font-size: 13px; line-height: 1.8; }
body.impact-site .site-footer .footer-intro .footer-support {
  display: inline-flex;
  justify-content: flex-start;
  gap: 8px;
  min-height: 32px;
  padding: 0 0 5px;
  border: 0;
  border-bottom: 1px solid #d1d1d5;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  clip-path: none;
  color: var(--impact-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  transform: none;
}
body.impact-site .site-footer .footer-intro .footer-support:hover { color: var(--impact-red); border-bottom-color: var(--impact-red); }
.footer-intro .footer-support-icon { width: 14px; height: 14px; color: var(--impact-red); stroke-width: 1.4; }
.footer-support-arrow { width: 13px; height: 13px; fill: none; stroke: var(--impact-red); stroke-width: 1.5; }
.footer-navigation { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 30px; }
.footer-column { display: flex; align-items: flex-start; flex-direction: column; gap: 4px; min-width: 0; }
.footer-column h2 {
  margin: 0 0 12px;
  color: var(--impact-red);
  font-family: var(--impact-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .05em;
  line-height: 1.4;
  text-transform: uppercase;
}
body.impact-site .site-footer .footer-column > :is(a, button) {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin: 0;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--impact-ink);
  font: 500 13px/1.6 var(--impact-ui);
  letter-spacing: 0;
  text-align: left;
  text-decoration: none;
  text-transform: none;
  cursor: pointer;
}
body.impact-site .site-footer .footer-column > :is(a, button):hover { color: var(--impact-red); text-decoration: underline; text-underline-offset: 3px; }
body.impact-site .site-footer :is(a, button):focus-visible { outline: 2px solid var(--impact-red); outline-offset: 3px; }
.footer-bottom { display: flex; justify-content: flex-end; margin-top: 30px; padding-top: 20px; border-top: 1px solid #d8d8dc; }
body.impact-site .site-footer .footer-bottom .footer-made { justify-content: flex-end; padding: 0; border: 0; color: var(--impact-neutral-500); }
@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-navigation { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  body.impact-site .site-footer { padding: 28px 20px 20px; }
  .footer-navigation { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .footer-column:last-child { grid-column: 1 / -1; }
  .footer-bottom { justify-content: flex-start; }
  body.impact-site .site-footer .footer-bottom .footer-made { justify-content: flex-start; }
}