.page-contact {
  --contact-radius: 10px;
  --contact-gutter: clamp(1rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 90% 0%, rgba(212,175,55,0.10), transparent 24rem),
    linear-gradient(180deg, var(--c-ivory) 0%, var(--c-gray) 100%);
}

.page-contact .container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--contact-gutter);
}

.page-contact .contact-hero {
  padding-block: var(--space-5) var(--space-4);
}

.page-contact .breadcrumb {
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
}

.page-contact .contact-cover {
  position: relative;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background:
    linear-gradient(135deg, rgba(212,175,55,0.18) 0%, transparent 38%),
    linear-gradient(135deg, var(--c-violet-dark) 0%, var(--c-primary-dark) 72%, var(--c-primary) 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  color: var(--c-ivory);
  box-shadow: 0 18px 48px rgba(43,21,64,0.28);
}

.page-contact .contact-cover::before {
  content: "";
  position: absolute;
  right: -5rem;
  top: -5rem;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,240,0.16), transparent 65%);
  pointer-events: none;
}

.page-contact .contact-cover::after {
  content: "CN";
  position: absolute;
  right: var(--space-3);
  bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 200;
  line-height: 1;
  color: rgba(255,255,240,0.08);
  letter-spacing: 0.1em;
  pointer-events: none;
}

.page-contact .contact-cover__index {
  display: inline-flex;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold-light);
  border-bottom: 1px solid rgba(212,175,55,0.4);
  padding-bottom: var(--space-1);
}

.page-contact .contact-cover h1 {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: var(--fs-hero);
  line-height: 1.08;
  margin: 0;
  max-width: 14ch;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1;
}

.page-contact .contact-cover__lead {
  max-width: 42em;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,240,0.86);
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-contact .contact-cover .btn-gold {
  justify-self: start;
  margin-top: var(--space-1);
  position: relative;
  z-index: 1;
}

.page-contact .contact-layout {
  display: grid;
  gap: var(--space-5);
  padding-block: var(--space-5) var(--space-6);
}

.page-contact .contact-main,
.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

@media (min-width: 720px) {
  .page-contact .channels-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--address {
    grid-column: span 1;
  }
}

.page-contact .channel-card {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow: hidden;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-gold), transparent 80%);
  opacity: 0.8;
}

.page-contact .channel-card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--c-gold);
  letter-spacing: 0.12em;
}

.page-contact .channel-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  color: var(--c-primary-dark);
}

.page-contact .channel-card p {
  margin: 0;
  line-height: 1.6;
  color: var(--c-charcoal);
  font-size: var(--fs-body);
}

.page-contact .channel-card__value {
  margin-block: var(--space-1) 0;
}

.page-contact .channel-card__value--mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  word-break: break-all;
}

.page-contact .channel-card__note {
  font-size: var(--fs-small);
  color: var(--c-primary-light);
}

.page-contact .channel-card--time ul {
  margin: var(--space-1) 0 0;
  padding-left: 1rem;
  display: grid;
  gap: var(--space-1);
}

.page-contact .channel-card--time li {
  font-size: var(--fs-small);
  color: var(--c-charcoal);
  line-height: 1.5;
}

.page-contact .contact-building {
  margin: var(--space-2) 0 0;
}

.page-contact .contact-building__img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  filter: saturate(0.95) contrast(1.02);
}

.page-contact .contact-building__cap {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--c-primary-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-contact .contact-feedback {
  margin-top: var(--space-5);
}

.page-contact .feedback-card {
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.page-contact .feedback-card p {
  line-height: 1.7;
}

.page-contact .feedback-steps {
  margin: var(--space-3) 0;
  padding-left: 1.2rem;
  display: grid;
  gap: var(--space-2);
  line-height: 1.6;
}

.page-contact .feedback-steps li {
  padding-left: var(--space-1);
}

.page-contact .feedback-address {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  padding: var(--space-2);
  background: var(--c-gray);
  border-left: 3px solid var(--c-gold);
  font-size: 0.9rem;
  word-break: break-all;
}

.page-contact .feedback-address__mail {
  font-weight: 600;
  color: var(--c-primary-dark);
}

.page-contact .feedback-note {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
}

.page-contact .map-section {
  background:
    radial-gradient(circle at 82% 18%, rgba(212,175,55,0.22), transparent 9rem),
    var(--c-green);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: var(--c-ivory);
}

.page-contact .map-section .section-header {
  margin-bottom: var(--space-3);
}

.page-contact .map-section .section-title,
.page-contact .map-section .section-note {
  color: var(--c-ivory);
}

.page-contact .map-frame {
  position: relative;
  margin: var(--space-3) 0 0;
  background: var(--c-green-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .map-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(145deg, rgba(30,58,47,0.44) 0%, rgba(43,21,64,0.08) 58%, rgba(212,175,55,0.14) 100%);
  pointer-events: none;
}

.page-contact .map-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.page-contact .map-pin {
  position: absolute;
  top: 52%;
  left: 48%;
  z-index: 2;
  width: 20px;
  height: 24px;
  transform: translate(-50%, -50%);
  animation: contactPinBounce 2s ease-in-out infinite;
}

.page-contact .map-pin::before {
  content: "";
  position: absolute;
  top: 0;
  left: 3px;
  width: 14px;
  height: 14px;
  background: var(--c-gold);
  border: 3px solid var(--c-ivory);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(212,175,55,0.3);
}

.page-contact .map-pin::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 3px;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 9px solid var(--c-gold);
}

@keyframes contactPinBounce {
  0%, 100% {
    transform: translate(-50%, -50%) translateY(0);
  }
  50% {
    transform: translate(-50%, -50%) translateY(-8px);
  }
}

.page-contact .map-frame__caption {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  z-index: 3;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--c-ivory);
  background: rgba(43,21,64,0.72);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--c-gold);
}

.page-contact .map-details {
  margin-top: var(--space-3);
  border-top: 1px solid rgba(212,175,55,0.35);
  padding-top: var(--space-2);
}

.page-contact .map-details summary {
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-small);
  color: var(--c-gold-light);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-contact .map-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .map-details summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--c-gold);
}

.page-contact .map-details[open] summary::after {
  content: "－";
}

.page-contact .map-details p {
  margin: var(--space-2) 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: rgba(255,255,240,0.82);
}

.page-contact .map-tip {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
  color: rgba(255,255,240,0.68);
}

@media (min-width: 1024px) {
  .page-contact .contact-cover {
    padding: calc(var(--space-4) + var(--space-2));
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-5);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-h) + var(--space-3));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .map-pin {
    animation: none;
  }
}