.page-contact {
  --contact-local-accent: var(--accent);
  position: relative;
  background:
    linear-gradient(180deg, rgba(5, 13, 26, 0) 0%, rgba(5, 13, 26, 0.45) 100%),
    radial-gradient(1100px 360px at 88% -5%, rgba(0, 230, 138, 0.08) 0%, transparent 62%),
    var(--navy-700);
  overflow-x: clip;
}

.page-contact__breadcrumb {
  padding-top: 20px;
  padding-bottom: 4px;
}

.page-contact__breadcrumb-current {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.page-contact__hero {
  position: relative;
  padding-top: 30px;
  padding-bottom: 56px;
}

.page-contact__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}

.page-contact__hero-main {
  position: relative;
  z-index: 1;
}

.page-contact__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.page-contact__eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
  flex: none;
}

.page-contact__title {
  font-size: clamp(34px, 7vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--light);
  margin: 0 0 18px;
}

.page-contact__title-sub {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: clamp(18px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact__intro {
  max-width: 620px;
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact__coverage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 18px 16px;
  background: rgba(5, 13, 26, 0.55);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
}

.page-contact__coverage-item {
  min-width: 0;
}

.page-contact__coverage-num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.page-contact__coverage-label {
  display: block;
  font-size: 11px;
  color: var(--text-faint);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.page-contact__channels {
  position: relative;
  isolation: isolate;
  padding-bottom: 64px;
}

.page-contact__channels::before {
  content: "CN-04";
  position: absolute;
  right: 3%;
  top: -8px;
  z-index: -1;
  font-family: var(--font-mono);
  font-size: clamp(56px, 12vw, 140px);
  font-weight: 700;
  letter-spacing: -0.05em;
  color: rgba(245, 247, 250, 0.035);
  pointer-events: none;
}

.page-contact__section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.page-contact__section-title::before {
  content: "/ 02";
  font-family: var(--font-mono);
  color: var(--accent);
}

.page-contact__section-title--second::before {
  content: "/ 03";
}

.page-contact__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact__card {
  position: relative;
  isolation: isolate;
  min-width: 0;
  padding: 22px;
  background: linear-gradient(150deg, rgba(11, 27, 58, 0.88), rgba(5, 13, 26, 0.94));
  border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact__card--support {
  --contact-local-accent: var(--accent);
}

.page-contact__card--business {
  --contact-local-accent: var(--data);
}

.page-contact__card--phone {
  --contact-local-accent: var(--red);
}

.page-contact__card::after {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  z-index: -1;
  background: rgba(5, 13, 26, 0.35);
  border: 1px solid var(--line);
  pointer-events: none;
}

.page-contact__card--address::after {
  display: none;
}

.page-contact__card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact__card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-contact__card-code {
  flex: none;
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.12em;
}

.page-contact__card-body {
  min-width: 0;
}

.page-contact__card-title {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 900;
  color: var(--light);
  line-height: 1.3;
}

.page-contact__card-desc {
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact__email-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 12px;
  background: rgba(5, 13, 26, 0.6);
  border: 1px solid var(--line);
  border-left: 2px solid var(--contact-local-accent, var(--accent));
}

.page-contact__email {
  flex: 1 1 200px;
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--light);
  font-size: 14px;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.page-contact__email:hover {
  color: var(--accent);
}

.page-contact__copy-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 13px;
  background: var(--accent);
  color: var(--navy-900);
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact__copy-btn:hover {
  background: var(--light);
}

.page-contact__copy-btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text-main);
}

.page-contact__copy-btn--ghost:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
}

.page-contact__card-foot {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact__foot-label {
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

.page-contact__foot-text {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-contact__phone-img {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--navy-900);
}

.page-contact__phone-icon {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact__phone-num {
  display: block;
  margin: 6px 0 16px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--light);
  text-decoration: none;
}

.page-contact__phone-num:hover {
  color: var(--accent);
}

.page-contact__worktime {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact__worktime-text {
  font-size: 13px;
  color: var(--text-muted);
}

.page-contact__card--address {
  background: var(--navy-900);
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  min-height: 360px;
}

.page-contact__address-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact__address-bg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

.page-contact__address-overlay {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 18px;
  padding: 24px;
  background: linear-gradient(105deg, rgba(5, 13, 26, 0.92) 0%, rgba(11, 27, 58, 0.7) 64%, rgba(5, 13, 26, 0.35) 100%);
}

.page-contact__map-svg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  background: rgba(5, 13, 26, 0.4);
  border: 1px solid var(--line);
  padding: 10px;
}

.page-contact__map-detail {
  margin-top: 10px;
}

.page-contact__map-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--line-accent);
  cursor: pointer;
  list-style: none;
}

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

.page-contact__map-summary::before {
  content: "⤢";
}

.page-contact__map-detail[open] .page-contact__map-summary::before {
  content: "⤡";
}

.page-contact__map-zoom {
  margin-top: 12px;
}

.page-contact__map-zoom-img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border: 1px solid var(--line);
}

.page-contact__map-zoom-note {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 8px 0 0;
  max-width: 420px;
}

.page-contact__address-body {
  min-width: 0;
}

.page-contact__address-line {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--light);
  margin: 0 0 10px;
}

.page-contact__address-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.page-contact__address-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact__address-link:hover {
  border-color: var(--accent);
}

.page-contact__help {
  padding-bottom: 72px;
}

.page-contact__help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact__help-item {
  padding: 20px 20px 22px;
  background: rgba(5, 13, 26, 0.4);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-accent);
}

.page-contact__help-item:hover {
  border-top-color: var(--accent);
}

.page-contact__help-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--light);
}

.page-contact__help-text {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact__trust-note {
  margin: 28px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-faint);
}

@media (min-width: 768px) {
  .page-contact__help-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact__coverage {
    padding: 22px 18px;
  }
}

@media (min-width: 900px) {
  .page-contact__hero {
    padding-top: 52px;
    padding-bottom: 72px;
  }

  .page-contact__hero-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
  }

  .page-contact__card-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
  }

  .page-contact__card--support {
    grid-column: span 7;
  }

  .page-contact__card--business {
    grid-column: span 5;
  }

  .page-contact__card--phone {
    grid-column: span 5;
  }

  .page-contact__card--address {
    grid-column: span 7;
  }

  .page-contact__card {
    padding: 28px;
  }

  .page-contact__card-title {
    font-size: 28px;
  }

  .page-contact__phone-num {
    font-size: 28px;
  }

  .page-contact__address-overlay {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 32px;
  }

  .page-contact__address-line {
    font-size: 24px;
  }
}