.page-contact {
  --pc-gutter: 20px;
  --pc-max: 1180px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  width: min(var(--pc-max), calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  font-family: var(--font-data);
  font-size: var(--step-2);
  letter-spacing: 0.04em;
  color: var(--stone);
}
.page-contact .contact-crumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-strong);
  padding-bottom: 1px;
}
.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--coral-deep);
  border-bottom-color: var(--coral);
}
.page-contact .contact-crumb__sep {
  color: var(--stone);
}
.page-contact .contact-crumb__now {
  color: var(--reef);
  font-weight: 500;
}
.page-contact .contact-crumb__hint {
  width: 100%;
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--stone);
}

/* ---------- 首屏联络台 ---------- */
.page-contact .contact-hero {
  margin-top: 16px;
  background: var(--cloud);
}
.page-contact .contact-hero__main {
  position: relative;
  background: var(--abyss);
  color: var(--cloud);
  padding: 48px var(--pc-gutter) 52px;
  overflow: hidden;
}
.page-contact .contact-hero__main::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 210px;
  height: 210px;
  border: 1px solid var(--hair-on-dark);
  border-radius: 50%;
  pointer-events: none;
}
.page-contact .contact-hero__note {
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: 0.26em;
  color: var(--stone);
}
.page-contact .contact-hero .exhibit-label {
  color: var(--neon);
}
.page-contact .contact-hero .display {
  margin: 16px 0 0;
  color: var(--cloud);
  font-size: clamp(40px, 13vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.page-contact .contact-hero .lede {
  margin: 20px 0 0;
  max-width: 36em;
  color: var(--mist);
}
.page-contact .hero-facts {
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .hero-facts > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--hair-on-dark);
}
.page-contact .hero-facts dt {
  font-family: var(--font-data);
  font-size: var(--step-6);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--neon);
  min-width: 4.6em;
}
.page-contact .hero-facts dd {
  margin: 0;
  font-size: var(--step-2);
  letter-spacing: 0.04em;
  color: var(--stone);
}
.page-contact .contact-hero__side {
  padding: 0 var(--pc-gutter) 44px;
}
.page-contact .primary-card {
  position: relative;
  margin-top: -26px;
  padding: 24px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: var(--radius-card);
  box-shadow: 0 18px 40px rgba(6, 24, 43, 0.16);
}
.page-contact .primary-card__tag {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--step-1);
  letter-spacing: 0.2em;
  color: var(--coral-deep);
}
.page-contact .primary-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-6);
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-contact .primary-card__text {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink);
}
.page-contact .primary-card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-contact .primary-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--ink);
}
.page-contact .primary-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--neon);
}
.page-contact .primary-card .btn {
  display: inline-block;
  margin-top: 20px;
  text-decoration: none;
}
.page-contact .primary-card__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--reef);
}

/* ---------- 联系方式卡片 ---------- */
.page-contact .contact-channels {
  width: min(var(--pc-max), calc(100% - 40px));
  margin: 0 auto;
  padding: 68px 0 20px;
}
.page-contact .contact-channels__head .body-text {
  margin-top: 16px;
  max-width: 44em;
}
.page-contact .channel-grid {
  margin-top: 32px;
  display: grid;
  gap: 16px;
}
.page-contact .channel-card {
  position: relative;
  padding: 22px 20px 18px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 14px;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--lift);
}
.page-contact .channel-card__index {
  display: inline-block;
  font-family: var(--font-data);
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--coral-deep);
}
.page-contact .channel-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-5);
  color: var(--ink);
}
.page-contact .channel-card__value {
  margin: 12px 0 0;
  padding: 10px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-data);
  font-size: var(--step-3);
  letter-spacing: 0.02em;
  color: var(--reef);
  word-break: break-all;
}
.page-contact .channel-card__text {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink);
}
.page-contact .channel-card__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 四步流程 ---------- */
.page-contact .contact-flow {
  margin-top: 48px;
  padding: 62px 0 70px;
  background: var(--mist);
}
.page-contact .contact-flow__inner {
  width: min(var(--pc-max), calc(100% - 40px));
  margin: 0 auto;
}
.page-contact .contact-flow .body-text {
  margin-top: 16px;
  max-width: 46em;
}
.page-contact .contact-flow__figure {
  margin: 34px 0 0;
}
.page-contact .contact-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--hair);
  background: var(--panel);
}
.page-contact .flow-steps {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}
.page-contact .flow-step {
  position: relative;
  padding: 18px 16px 16px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 12px;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.page-contact .flow-step[open] {
  border-color: var(--coral);
  box-shadow: var(--lift);
}
.page-contact .flow-step summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  color: var(--ink);
}
.page-contact .flow-step summary::-webkit-details-marker {
  display: none;
}
.page-contact .flow-step__num {
  flex: none;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  background: var(--reef);
  color: var(--panel);
  font-family: var(--font-data);
  font-size: var(--step-1);
  letter-spacing: 0.08em;
}
.page-contact .flow-step[open] .flow-step__num {
  background: var(--coral-deep);
}
.page-contact .flow-step__body {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 深色记录区 ---------- */
.page-contact .contact-dark {
  position: relative;
  overflow: hidden;
  padding: 68px 0 76px;
  background: var(--abyss);
  color: var(--cloud);
}
.page-contact .contact-dark__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  pointer-events: none;
}
.page-contact .contact-dark__inner {
  position: relative;
  z-index: 1;
  width: min(var(--pc-max), calc(100% - 40px));
  margin: 0 auto;
}
.page-contact .contact-dark .exhibit-label {
  color: var(--neon);
}
.page-contact .contact-dark .chapter-title {
  color: var(--cloud);
}
.page-contact .contact-dark .body-text,
.page-contact .contact-dark p {
  color: var(--mist);
}
.page-contact .contact-dark .body-text {
  margin-top: 16px;
  max-width: 44em;
}
.page-contact .contact-dark a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .float-grid {
  margin-top: 34px;
  display: grid;
  gap: 18px;
}
.page-contact .float-panel {
  padding: 20px 20px 22px;
  background: rgba(245, 248, 251, 0.07);
  border: 1px solid rgba(18, 224, 196, 0.34);
  border-radius: var(--radius-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.page-contact .float-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-5);
  color: var(--cloud);
}
.page-contact .float-panel summary::-webkit-details-marker {
  display: none;
}
.page-contact .float-panel summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: var(--step-5);
  line-height: 1;
  color: var(--neon);
  transition: transform 180ms var(--ease);
}
.page-contact .float-panel[open] summary::after {
  transform: rotate(45deg);
}
.page-contact .panel-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-contact .panel-list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

/* ---------- 上门与远程 ---------- */
.page-contact .contact-onsite {
  width: min(var(--pc-max), calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 8px;
}
.page-contact .contact-onsite .body-text {
  margin-top: 16px;
  max-width: 44em;
}
.page-contact .onsite-grid {
  margin-top: 30px;
  display: grid;
  gap: 22px;
}
.page-contact .onsite-card {
  padding-top: 20px;
  border-top: 2px solid var(--reef);
}
.page-contact .onsite-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-5);
  color: var(--ink);
}
.page-contact .onsite-card p {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink);
}
.page-contact .onsite-card__ask {
  padding-left: 14px;
  border-left: 2px solid var(--neon);
  font-size: var(--step-2) !important;
  line-height: 1.75 !important;
  color: var(--reef) !important;
}
.page-contact .onsite-foot {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-body);
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--ink);
}
.page-contact .onsite-foot a {
  color: var(--coral-deep);
  text-underline-offset: 3px;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .contact-links {
  width: min(var(--pc-max), calc(100% - 40px));
  margin: 0 auto;
  padding: 44px 0 84px;
  display: grid;
  gap: 18px;
}
.page-contact .contact-links a {
  display: block;
  padding-top: 16px;
  border-top: 1px solid var(--hair-strong);
  text-decoration: none;
  transition: transform 180ms var(--ease);
}
.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  transform: translateY(-3px);
}
.page-contact .contact-links__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  color: var(--ink);
}
.page-contact .contact-links a:hover .contact-links__title {
  color: var(--coral-deep);
}
.page-contact .contact-links__desc {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .page-contact .onsite-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .page-contact .contact-links {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-contact .float-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-crumb {
    padding-top: 34px;
  }
  .page-contact .contact-crumb__hint {
    width: auto;
    margin-left: auto;
  }
  .page-contact .contact-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.42fr) minmax(310px, 0.72fr);
    width: min(var(--pc-max), calc(100% - 40px));
    margin: 20px auto 0;
    background: transparent;
  }
  .page-contact .contact-hero__main {
    padding: 66px 88px 66px 44px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 68px) 100%, 0 100%);
  }
  .page-contact .contact-hero__note {
    position: absolute;
    top: 68px;
    right: 74px;
    margin: 0;
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
    color: rgba(159, 179, 196, 0.9);
  }
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 40px;
  }
  .page-contact .hero-facts > div {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px 18px 0 0;
  }
  .page-contact .hero-facts dt {
    min-width: 0;
    font-size: var(--step-5);
  }
  .page-contact .contact-hero__side {
    padding: 78px 0 60px 0;
    margin-left: -56px;
    background: transparent;
  }
  .page-contact .primary-card {
    margin-top: 0;
    padding: 30px 28px 26px;
  }
  .page-contact .contact-channels {
    padding-top: 84px;
  }
  .page-contact .contact-flow__figure {
    margin-top: 40px;
  }
  .page-contact .flow-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-top: 34px;
  }
  .page-contact .flow-step + .flow-step::before {
    content: "";
    position: absolute;
    left: -25px;
    top: 34px;
    width: 24px;
    border-top: 1px dashed var(--hair-strong);
  }
  .page-contact .contact-dark {
    padding: 84px 0 92px;
  }
  .page-contact .contact-onsite {
    padding-top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .flow-step,
  .page-contact .float-panel summary::after,
  .page-contact .contact-links a {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .contact-links a:hover {
    transform: none;
  }
}