.page-contact {
  --contact-mail-font: var(--bs-font-mono);
}

/* ---------- 面包屑容器 ---------- */
.page-contact .contact-crumb-wrap {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: 8px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(244, 183, 64, 0.18), transparent 55%),
    linear-gradient(165deg, var(--bs-ink) 0%, var(--bs-deep) 65%, #0f3659 100%);
  color: var(--bs-paper);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(56, 201, 184, 0.22);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: 18px 0 22px;
  font-family: var(--bs-font-display);
  font-size: clamp(2.5rem, 8.5vw, 6rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--bs-paper);
}

.page-contact .contact-hero__lead {
  max-width: 38em;
  color: rgba(247, 249, 252, 0.8);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .contact-hero__mail {
  background: rgba(247, 249, 252, 0.05);
  border: 1px solid rgba(244, 183, 64, 0.35);
  border-radius: var(--bs-r-lg);
  padding: clamp(22px, 3vw, 32px);
  box-shadow: inset 0 1px 0 rgba(247, 249, 252, 0.08);
}

.page-contact .mail-label {
  display: inline-block;
  font-family: var(--bs-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bs-gold);
  margin-bottom: 14px;
}

.page-contact .mail-value {
  margin: 0 0 16px;
  font-family: var(--contact-mail-font);
  font-size: clamp(1rem, 1.6vw, 1.28rem);
  line-height: 1.35;
  color: var(--bs-paper);
  word-break: break-all;
}

.page-contact .mail-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 249, 252, 0.7);
}

/* ---------- 咨询分流 ---------- */
.page-contact .contact-routing {
  padding: clamp(56px, 9vw, 104px) 0;
  background: var(--bs-paper);
}

.page-contact .contact-routing__head {
  max-width: 46rem;
}

.page-contact .contact-routing__title {
  margin: 16px 0 12px;
  font-family: var(--bs-font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--bs-ink);
}

.page-contact .contact-routing__sub {
  color: var(--bs-graphite);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .routing-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .routing-card {
  --card-accent: var(--bs-graphite);
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #ffffff;
  border: 1px solid var(--bs-mist);
  border-radius: var(--bs-r-md);
  padding: clamp(22px, 2.6vw, 30px);
  box-shadow: 0 20px 30px -28px rgba(7, 26, 47, 0.28);
  transition: transform 200ms var(--bs-ease), border-color 200ms var(--bs-ease);
}

.page-contact .routing-card:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 42, 74, 0.18);
}

.page-contact .routing-card--mint { --card-accent: var(--bs-mint); }
.page-contact .routing-card--coral { --card-accent: var(--bs-coral); }
.page-contact .routing-card--gold { --card-accent: var(--bs-gold); }

.page-contact .routing-card .bs-exhibit {
  padding-left: 0;
  border-left: 0;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.page-contact .routing-card .bs-exhibit__no {
  font-family: var(--bs-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--card-accent);
}

.page-contact .routing-card .bs-exhibit__label {
  font-family: var(--bs-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bs-graphite);
}

.page-contact .routing-card__title {
  margin: 0;
  font-family: var(--bs-font-display);
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  font-weight: 700;
  color: var(--bs-ink);
  line-height: 1.35;
}

.page-contact .routing-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--bs-graphite);
}

.page-contact .routing-card__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .routing-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--bs-ink);
}

.page-contact .routing-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--card-accent);
}

.page-contact .routing-card .bs-btn {
  align-self: flex-start;
  margin-top: auto;
}

.page-contact .contact-routing__visual {
  margin: 0;
  border-radius: var(--bs-r-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  min-height: 220px;
}

.page-contact .contact-routing__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 邮件写法 + 响应节奏 ---------- */
.page-contact .contact-guide {
  padding: clamp(56px, 9vw, 104px) 0;
  background:
    radial-gradient(80% 60% at 0% 0%, rgba(56, 201, 184, 0.12), transparent 65%),
    var(--bs-ink);
  color: var(--bs-paper);
}

.page-contact .contact-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-guide__title {
  margin: 16px 0 24px;
  font-family: var(--bs-font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--bs-paper);
}

.page-contact .contact-guide__track {
  --step-accent: var(--bs-mint);
  display: flex;
  flex-direction: column;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-contact .contact-guide__track .bs-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 18px 20px;
  background: rgba(247, 249, 252, 0.04);
  border: 1px solid rgba(247, 249, 252, 0.1);
  border-radius: var(--bs-r-sm);
  transition: border-color 180ms var(--bs-ease), background 180ms var(--bs-ease);
}

.page-contact .contact-guide__track .bs-step:hover {
  border-color: rgba(56, 201, 184, 0.45);
  background: rgba(56, 201, 184, 0.06);
}

.page-contact .contact-guide__track .bs-step__no {
  font-family: var(--bs-font-mono);
  font-size: 13px;
  color: var(--bs-mint);
  padding-top: 2px;
  letter-spacing: 0.06em;
}

.page-contact .contact-guide__track .bs-step__body strong {
  display: block;
  font-size: 15px;
  color: var(--bs-paper);
  font-weight: 700;
  margin-bottom: 6px;
}

.page-contact .contact-guide__track .bs-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 249, 252, 0.72);
}

.page-contact .contact-guide__hours {
  background: rgba(247, 249, 252, 0.05);
  border: 1px solid rgba(244, 183, 64, 0.3);
  border-radius: var(--bs-r-md);
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .contact-guide__subtitle {
  margin: 14px 0 20px;
  font-family: var(--bs-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bs-paper);
  line-height: 1.4;
}

.page-contact .contact-guide__timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.page-contact .contact-guide__timeline li {
  padding-left: 20px;
  position: relative;
}

.page-contact .contact-guide__timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bs-gold);
  box-shadow: 0 0 0 3px rgba(244, 183, 64, 0.18);
}

.page-contact .timeline-key {
  display: inline-block;
  font-family: var(--bs-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bs-gold);
  margin-bottom: 4px;
}

.page-contact .contact-guide__timeline p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 249, 252, 0.74);
}

.page-contact .contact-guide__tip {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(244, 183, 64, 0.3);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 249, 252, 0.6);
}

/* ---------- 联系方式固定区 ---------- */
.page-contact .contact-info {
  padding: clamp(56px, 9vw, 104px) 0;
  background: var(--bs-paper);
}

.page-contact .contact-info__media {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border-radius: var(--bs-r-lg);
  overflow: hidden;
  aspect-ratio: 12 / 5;
}

.page-contact .contact-info__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .contact-info__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .contact-info__title {
  margin: 16px 0 12px;
  font-family: var(--bs-font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--bs-ink);
}

.page-contact .contact-info__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-graphite);
  max-width: 34em;
}

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

.page-contact .contact-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--bs-mist);
  border-radius: var(--bs-r-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--bs-mist);
}

.page-contact .contact-card--mail::before { background: var(--bs-gold); }
.page-contact .contact-card--phone::before { background: var(--bs-mint); }
.page-contact .contact-card--addr::before { background: var(--bs-coral); }

.page-contact .contact-card__label {
  font-family: var(--bs-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bs-graphite);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--bs-font-display);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 700;
  color: var(--bs-ink);
  line-height: 1.5;
}

.page-contact .contact-card__value--mail {
  font-family: var(--bs-font-mono);
  font-weight: 500;
  word-break: break-all;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--bs-graphite);
}

/* ---------- 合作与栏目共建 ---------- */
.page-contact .contact-coop {
  padding: clamp(56px, 8vw, 96px) 0;
  background: #ffffff;
  border-top: 1px solid var(--bs-mist);
}

.page-contact .contact-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-coop__title {
  margin: 16px 0 14px;
  font-family: var(--bs-font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--bs-ink);
}

.page-contact .contact-coop__lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bs-graphite);
  max-width: 36em;
}

.page-contact .contact-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contact-coop__list li {
  padding: 18px 20px;
  border: 1px solid var(--bs-mist);
  border-radius: var(--bs-r-sm);
  background: var(--bs-paper);
}

.page-contact .contact-coop__list strong {
  display: block;
  font-size: 14.5px;
  color: var(--bs-ink);
  margin-bottom: 6px;
}

.page-contact .contact-coop__list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--bs-graphite);
}

/* ---------- 继续浏览 ---------- */
.page-contact .contact-more {
  padding: clamp(40px, 6vw, 72px) 0 clamp(64px, 9vw, 96px);
  background: var(--bs-paper);
}

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

.page-contact .contact-more__card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 4px;
  padding: 20px 22px;
  border: 1px solid var(--bs-mist);
  border-radius: var(--bs-r-sm);
  background: #ffffff;
  color: var(--bs-ink);
  text-decoration: none;
  transition: border-color 180ms var(--bs-ease), transform 180ms var(--bs-ease);
}

.page-contact .contact-more__card:hover {
  border-color: var(--bs-sky);
  transform: translateY(-2px);
}

.page-contact .contact-more__no {
  grid-row: 1 / span 2;
  font-family: var(--bs-font-mono);
  font-size: 12px;
  color: var(--bs-graphite);
  align-self: start;
  padding-top: 3px;
}

.page-contact .contact-more__card strong {
  font-size: 15px;
  color: var(--bs-ink);
}

.page-contact .contact-more__card span:last-child {
  font-size: 13px;
  color: var(--bs-graphite);
  line-height: 1.6;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-info__cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .contact-coop__list {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .contact-more__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: end;
  }

  .page-contact .contact-guide__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-info__layout {
    grid-template-columns: 4fr 8fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-info__cards {
    grid-template-columns: 1fr;
  }

  .page-contact .contact-coop__grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1140px) {
  .page-contact .routing-band {
    grid-template-columns: repeat(3, 1fr) 1fr;
    align-items: stretch;
  }

  .page-contact .contact-routing__visual {
    aspect-ratio: auto;
    height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .routing-card,
  .page-contact .contact-more__card,
  .page-contact .contact-guide__track .bs-step {
    transition: none;
  }
  .page-contact .routing-card:hover,
  .page-contact .contact-more__card:hover {
    transform: none;
  }
}