.page-contact {
  --ct-line: rgba(167, 176, 192, 0.24);
  --ct-line-strong: rgba(167, 176, 192, 0.48);
  --ct-tile: #12244C;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ct-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: end;
  border-bottom: 1px solid var(--ct-line-strong);
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: 7fr 5fr;
  }
}

.page-contact .hero-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--c-lake-light);
  margin: 0 0 1rem;
}

.page-contact .hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 7.5vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  color: var(--c-warm);
  margin: 0 0 clamp(1rem, 2.5vw, 1.75rem);
  max-width: 14ch;
}

.page-contact .hero-lede {
  max-width: 54ch;
  color: var(--tx-dark);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.85;
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .hero-figure {
  margin: 0;
  border: 1px solid var(--ct-line-strong);
  background: var(--c-panel);
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* 首屏联系通道 */
.page-contact .hero-channels {
  display: grid;
  gap: 1px;
  background: var(--ct-line-strong);
  border: 1px solid var(--ct-line-strong);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

@media (min-width: 840px) {
  .page-contact .hero-channels {
    grid-template-columns: 1.4fr 1fr;
  }
}

.page-contact .channel {
  background: var(--c-panel);
  padding: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  transition: background var(--dur) var(--ease);
}

.page-contact .channel--alt {
  background: var(--ct-tile);
}

.page-contact .channel:hover {
  background: #1B3468;
}

.page-contact .channel__label {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--c-lake-light);
  margin: 0;
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 3vw, 1.6rem);
  line-height: 1.3;
  color: #FFFFFF;
  text-decoration: none;
  word-break: break-word;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .channel__value:hover,
.page-contact .channel__value:focus-visible {
  color: var(--c-sunset-soft);
  border-bottom-color: var(--c-sunset);
}

.page-contact .channel__hint {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--tx-muted-dark);
  max-width: 38ch;
}

.page-contact .channel__copy {
  margin-top: 0.35rem;
}

/* ---------- 章节标题 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
  border-bottom: 1px solid;
  padding-bottom: clamp(0.75rem, 2vw, 1.25rem);
}

.page-contact .zone--paper .section-head {
  border-bottom-color: var(--line-paper);
}

.page-contact .zone--panel .section-head {
  border-bottom-color: var(--ct-line-strong);
}

.page-contact .section-head__idx {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--c-lake);
}

.page-contact .zone--panel .section-head__idx {
  color: var(--c-lake-light);
}

.page-contact .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.page-contact .zone--paper .section-head__title {
  color: var(--c-ink);
}

.page-contact .zone--panel .section-head__title {
  color: var(--c-warm);
}

/* ---------- 分流 ---------- */
.page-contact .contact-routing {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .routing-grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

@media (min-width: 860px) {
  .page-contact .routing-grid {
    grid-template-columns: 1.25fr 1fr;
    align-items: start;
  }
}

.page-contact .routing-card {
  background: #FFFFFF;
  border: 1px solid var(--line-paper);
  border-top: 3px solid var(--c-gray);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .routing-card--mail {
  border-top-color: var(--c-sunset);
  background: #FFFBF8;
}

.page-contact .routing-card__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--c-ink);
}

.page-contact .routing-card__lead {
  margin: 0 0 1.1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--tx-paper);
}

.page-contact .routing-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-contact .routing-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--tx-paper);
}

.page-contact .routing-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.55rem;
  height: 1px;
  background: var(--c-lake);
}

.page-contact .routing-card--mail .routing-list li::before {
  background: var(--c-sunset);
}

.page-contact .routing-card__note {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--line-paper);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--tx-muted-paper);
}

/* ---------- 地址 ---------- */
.page-contact .contact-address {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .address-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .address-grid {
    grid-template-columns: 1fr 1.05fr;
  }
}

.page-contact .address-copy .prose {
  color: var(--tx-dark);
}

.page-contact .address-block {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  border-left: 3px solid var(--c-sunset);
  background: rgba(11, 27, 58, 0.55);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.page-contact .address-block__label {
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--c-lake-light);
}

.page-contact .address-block__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  line-height: 1.55;
  color: #FFFFFF;
  user-select: all;
}

.page-contact .address-figure {
  margin: 0;
  border: 1px solid var(--ct-line-strong);
  background: var(--c-indigo);
}

.page-contact .address-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .address-figure .media__caption {
  margin: 0;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--tx-muted-dark);
  border-top: 1px solid var(--ct-line);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-siteinfo {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .info-grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.5rem);
}

@media (min-width: 780px) {
  .page-contact .info-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--line-paper);
  }
}

.page-contact .info-cell {
  padding: clamp(1.1rem, 2.6vw, 1.75rem);
  border-top: 3px solid var(--c-gray);
  background: #FFFFFF;
  transition: border-top-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

@media (min-width: 780px) {
  .page-contact .info-cell {
    border-top-width: 3px;
    border-left: 1px solid var(--line-paper);
  }

  .page-contact .info-cell:first-child {
    border-left: 0;
  }
}

.page-contact .info-cell:hover {
  border-top-color: var(--c-lake);
  background: #F2FAFA;
}

.page-contact .info-cell__k {
  margin: 0 0 0.6rem;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--tx-muted-paper);
}

.page-contact .info-cell__v {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(0.95rem, 1.9vw, 1.15rem);
  line-height: 1.45;
  color: var(--c-ink);
  word-break: break-word;
}

.page-contact .info-cell__d {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--tx-muted-paper);
}

/* ---------- 快捷入口 ---------- */
.page-contact .contact-shortcut {
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .shortcut-grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 3rem);
}

@media (min-width: 900px) {
  .page-contact .shortcut-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

.page-contact .shortcut-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  line-height: 1.2;
  color: var(--c-warm);
}

.page-contact .shortcut-lead .prose {
  color: var(--tx-dark);
  margin: 0;
}

.page-contact .shortcut-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--ct-line-strong);
  border: 1px solid var(--ct-line-strong);
}

.page-contact .shortcut-link {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.25rem);
  padding: clamp(1rem, 2.4vw, 1.4rem) clamp(1rem, 2.6vw, 1.6rem);
  background: var(--c-panel);
  color: var(--c-warm);
  text-decoration: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .shortcut-link:hover,
.page-contact .shortcut-link:focus-visible {
  background: #1B3468;
  padding-left: clamp(1.4rem, 3.2vw, 2rem);
}

.page-contact .shortcut-link__idx {
  flex: none;
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-lake-light);
  border-radius: 999px;
  font-size: 0.6875rem;
  color: var(--c-lake-light);
}

.page-contact .shortcut-link__text {
  flex: 1 1 auto;
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  line-height: 1.6;
}

.page-contact .shortcut-link__arrow {
  flex: none;
  font-family: var(--font-mono);
  color: var(--c-sunset);
  transition: transform var(--dur) var(--ease);
}

.page-contact .shortcut-link:hover .shortcut-link__arrow,
.page-contact .shortcut-link:focus-visible .shortcut-link__arrow {
  transform: translateX(4px);
}

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--c-sunset);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .info-cell,
  .page-contact .shortcut-link,
  .page-contact .shortcut-link__arrow {
    transition: none;
  }

  .page-contact .shortcut-link:hover,
  .page-contact .shortcut-link:focus-visible {
    padding-left: clamp(1rem, 2.6vw, 1.6rem);
  }

  .page-contact .shortcut-link:hover .shortcut-link__arrow,
  .page-contact .shortcut-link:focus-visible .shortcut-link__arrow {
    transform: none;
  }
}
</style>