.page-contact {
  --contact-stamp: var(--cinnabar);
  --contact-hair: 1px solid var(--edge);
}

.page-contact .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
  font-size: 13px;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--stone);
}

.page-contact .breadcrumb__link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  border-bottom-color: var(--cinnabar);
}

.page-contact .breadcrumb__sep {
  color: var(--gold);
}

.page-contact .breadcrumb__current {
  color: var(--stone);
}

/* ---------- 信笺双栏 ---------- */

.page-contact .letter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(24px, 4vw, 44px);
}

.page-contact .letter__sheet {
  position: relative;
  padding: clamp(22px, 3.4vw, 44px);
  background: var(--paper-card);
  border: var(--contact-hair);
  border-radius: 2px;
  box-shadow: var(--shadow-paper);
  overflow-wrap: anywhere;
}

.page-contact .letter__sheet::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(198, 161, 91, 0.45);
  border-radius: 1px;
  pointer-events: none;
}

.page-contact .letter__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 14px 0 18px;
}

.page-contact .letter__lede {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink-deep);
  max-width: 36em;
  margin: 0 0 16px;
}

.page-contact .letter__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 34em;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  margin: 0;
}

.page-contact .stamp {
  width: 124px;
  height: 124px;
  margin: 28px 0 28px auto;
  border: 2px solid var(--contact-stamp);
  border-radius: 50%;
  color: var(--contact-stamp);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  transform: rotate(-8deg);
  font-family: var(--font-mono);
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.page-contact .stamp__ring {
  font-size: 11px;
  font-family: var(--font-sans);
  letter-spacing: 0.18em;
}

.page-contact .stamp__mid {
  font-size: 16px;
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-contact .stamp__numb {
  font-size: 9px;
  letter-spacing: 0.14em;
  opacity: 0.82;
}

.page-contact .letter__figure {
  margin: 0;
}

.page-contact .letter__figure .figure__frame {
  border: var(--contact-hair);
  border-radius: 2px;
  overflow: hidden;
  background: var(--paper);
}

.page-contact .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 渠道卡片 ---------- */

.page-contact .channels__title {
  font-family: var(--font-title);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 18px;
}

.page-contact .chan {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .chan__card {
  position: relative;
  padding: 18px 20px 20px;
  background: var(--paper-card);
  border: var(--contact-hair);
  border-left-width: 3px;
  border-left-color: var(--edge);
  border-radius: 2px;
  overflow-wrap: anywhere;
  transition: transform 200ms ease, box-shadow 200ms ease, border-left-color 200ms ease;
}

.page-contact .chan__card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 rgba(222, 210, 188, 0.92);
}

.page-contact .chan__card--zhu {
  border-left-color: var(--cinnabar);
}

.page-contact .chan__card--indigo {
  border-left-color: var(--indigo);
}

.page-contact .chan__card--bamboo {
  border-left-color: var(--bamboo);
}

.page-contact .chan__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  margin: 0 0 8px;
}

.page-contact .chan__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-deep);
  margin: 0 0 10px;
  word-break: break-word;
}

.page-contact .chan__value--mono {
  letter-spacing: 0.06em;
}

.page-contact .chan__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0 0 16px;
}

.page-contact .channels__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
  padding-top: 14px;
  border-top: 1px solid var(--edge);
}

.page-contact .link-inline {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 64, 46, 0.4);
}

.page-contact .link-inline:hover,
.page-contact .link-inline:focus-visible {
  border-bottom-color: var(--cinnabar);
}

/* ---------- 反馈准备 ---------- */

.page-contact .prep,
.page-contact .routing {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .prep__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
  max-width: 40em;
}

.page-contact .prep__list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--edge);
}

.page-contact .prep__item {
  position: relative;
  padding: 22px 0 22px 56px;
  border-bottom: 1px solid var(--edge);
}

.page-contact .prep__num {
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-contact .prep__name {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.5;
}

.page-contact .prep__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-deep);
  max-width: 42em;
}

/* ---------- 问题分流 ---------- */

.page-contact .route-list {
  margin-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--edge);
}

.page-contact .route {
  border-bottom: 1px solid var(--edge);
}

.page-contact .route__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  transition: color 180ms ease;
}

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

.page-contact .route__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
  flex: none;
}

.page-contact .route__name {
  flex: 1 1 auto;
  font-family: var(--font-title);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .route__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  align-self: center;
  transition: transform 200ms ease;
}

.page-contact .route__mark::before,
.page-contact .route__mark::after {
  content: "";
  position: absolute;
  background: var(--cinnabar);
}

.page-contact .route__mark::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-contact .route__mark::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-contact .route[open] .route__mark {
  transform: rotate(45deg);
}

.page-contact .route__summary:hover .route__name,
.page-contact .route__summary:focus-visible .route__name {
  color: var(--cinnabar);
}

.page-contact .route__body {
  padding: 0 0 24px 0;
}

.page-contact .route__body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-deep);
  max-width: 46em;
}

/* ---------- 服务时间 ---------- */

.page-contact .hours {
  margin-top: clamp(56px, 8vw, 104px);
  margin-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .hours__band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4vw, 52px);
  border-radius: 2px;
  overflow-wrap: anywhere;
}

.page-contact .eyebrow--light {
  color: var(--gold);
}

.page-contact .hours__title {
  font-family: var(--font-title);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  margin: 12px 0 18px;
  color: var(--paper);
}

.page-contact .hours__clock {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 44px);
  color: var(--cinnabar-soft);
  border-bottom: 1px solid rgba(198, 161, 91, 0.55);
  padding-bottom: 14px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.page-contact .hours__dash {
  opacity: 0.7;
}

.page-contact .hours__unit {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--paper);
  opacity: 0.8;
  margin-left: 6px;
}

.page-contact .hours__body {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(246, 240, 228, 0.88);
  max-width: 42em;
}

.page-contact .hours__body:last-child {
  margin-bottom: 0;
}

.page-contact .hours__figure {
  margin: 0;
  align-self: end;
}

.page-contact .hours__figure .figure__frame {
  border: 1px solid rgba(198, 161, 91, 0.5);
  border-radius: 2px;
  overflow: hidden;
}

.page-contact .hours__figure .figure__caption {
  color: rgba(246, 240, 228, 0.7);
}

/* ---------- 焦点反馈 ---------- */

.page-contact .btn:focus-visible,
.page-contact .chan__card:focus-within,
.page-contact .route__summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-contact .hours .route__summary:focus-visible,
.page-contact .hours__band a:focus-visible {
  outline-color: var(--cinnabar-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .prep__item {
    padding-left: 52px;
    padding-right: 8px;
  }
}

@media (min-width: 1024px) {
  .page-contact .letter {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: clamp(40px, 5vw, 80px);
  }

  .page-contact .letter__sheet {
    margin-top: 8px;
  }

  .page-contact .letter__channels {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }

  .page-contact .hours__band {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
    padding: clamp(36px, 4.4vw, 60px);
  }

  .page-contact .stamp {
    margin-left: auto;
    margin-right: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan__card,
  .page-contact .route__mark,
  .page-contact .route__summary,
  .page-contact .route__name {
    transition: none;
  }

  .page-contact .chan__card:hover {
    transform: none;
  }
}