/* ==========================================================================
   页脚 Footer
   ========================================================================== */

.footer {
  background: var(--color-bg-deep);
  color: var(--color-cream);
  padding: 100px 0 0;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0.4;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(245, 239, 230, 0.08);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-bg);
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
}

.footer-logo-mark {
  width: 40px;
  height: 40px;
}

.footer-desc {
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(245, 239, 230, 0.6);
  max-width: 360px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: var(--fs-xs);
  color: rgba(245, 239, 230, 0.4);
  letter-spacing: var(--tracking-wide);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-col a {
  font-size: var(--fs-sm);
  color: rgba(245, 239, 230, 0.65);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
  padding-left: 0;
  transition: padding-left var(--duration-base) var(--ease-out);
}

.footer-col a:hover {
  color: var(--color-gold);
  padding-left: 8px;
}

.footer-contact {
  font-size: var(--fs-sm);
  color: rgba(245, 239, 230, 0.65);
  line-height: 1.9;
}

.footer-contact strong {
  display: block;
  font-weight: 500;
  color: var(--color-bg);
  margin-bottom: 4px;
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-gold);
}

.footer-contact a {
  color: rgba(245, 239, 230, 0.85);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-contact a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
  margin-top: 0;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: var(--fs-xs);
  color: rgba(245, 239, 230, 0.4);
  letter-spacing: var(--tracking-wide);
}

.footer-legal {
  display: flex;
  gap: 24px;
  font-size: var(--fs-xs);
}

.footer-legal a {
  color: rgba(245, 239, 230, 0.4);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-legal a:hover {
  color: var(--color-gold);
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(184, 147, 92, 0.1);
  border: 1px solid rgba(184, 147, 92, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  color: var(--color-gold);
  width: fit-content;
}

.footer-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}