.page-contact {
  --contact-cut: 22px;
  --contact-cut-lg: 32px;
  position: relative;
}

/* ---------- 面包屑与首屏 ---------- */

.page-contact .page-contact__crumb {
  padding-top: calc(var(--topbar-h) + 22px);
}

.page-contact .page-contact__crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: .6px;
  color: var(--text-muted);
}

.page-contact .page-contact__hero {
  padding-top: 30px;
}

.page-contact .page-contact__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .page-contact__eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  flex: 0 0 auto;
  background: var(--cyan);
}

.page-contact .page-contact__title {
  margin: 0 0 18px;
  max-width: 17em;
  font-size: clamp(29px, 7.6vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.5px;
  color: var(--mint);
}

.page-contact .page-contact__lede {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.88;
  letter-spacing: .2px;
  color: var(--text-on-dark);
}

/* ---------- 三条渠道 ---------- */

.page-contact .page-contact__channels {
  padding-top: 38px;
}

.page-contact .page-contact__channels-grid {
  display: grid;
  gap: 22px;
}

.page-contact .page-contact__cards {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .page-contact__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(152deg, rgba(53, 233, 200, .16), rgba(18, 51, 42, .72) 58%, rgba(10, 30, 25, .96));
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .page-contact__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  mix-blend-mode: luminosity;
  opacity: .92;
}

.page-contact .page-contact__card {
  position: relative;
  padding: 20px 22px 22px 26px;
  background: var(--paper);
  color: var(--ink-deep);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .34);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .page-contact__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cyan);
}

.page-contact .page-contact__card--tel::before {
  background: var(--flame);
}

.page-contact .page-contact__card--postal::before {
  background: var(--amber);
}

.page-contact .page-contact__card:hover,
.page-contact .page-contact__card:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .44);
}

.page-contact .page-contact__card-label {
  margin: 0 0 10px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.7px;
  color: var(--paper-muted);
}

.page-contact .page-contact__card-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.5vw, 21px);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1.38;
  letter-spacing: -.2px;
  color: var(--ink-deep);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .page-contact__card-value--tel {
  font-size: clamp(25px, 7.4vw, 34px);
  letter-spacing: 1px;
  color: var(--flame);
}

.page-contact .page-contact__card-value--addr {
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: .2px;
}

.page-contact .page-contact__card-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--paper-muted);
}

.page-contact .page-contact__map {
  min-width: 0;
}

.page-contact .page-contact__map-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 1000 / 760;
  background: var(--ink-slab);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut-lg)) 0, 100% var(--contact-cut-lg), 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .page-contact__map-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .88;
}

.page-contact .page-contact__map-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 62% 44%, rgba(255, 90, 43, .20), transparent 46%),
    linear-gradient(180deg, transparent 58%, rgba(10, 30, 25, .82));
}

.page-contact .page-contact__map-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 14px;
  border-left: 2px solid var(--flame);
  background: rgba(10, 30, 25, .78);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .7px;
  color: var(--mint);
}

.page-contact .page-contact__map-note {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .5px;
  color: var(--mist);
}

/* ---------- 通用节标题 ---------- */

.page-contact .page-contact__section-head {
  margin-bottom: 26px;
}

.page-contact .page-contact__h2 {
  margin: 0 0 13px;
  max-width: 22em;
  font-size: clamp(22px, 5.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.3px;
  color: var(--mint);
}

.page-contact .page-contact__section-lede {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.86;
  color: var(--text-muted);
}

/* ---------- 咨询前准备 ---------- */

.page-contact .page-contact__prep {
  padding-top: 62px;
}

.page-contact .page-contact__prep-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .page-contact__prep-item {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 15px 16px;
  background: rgba(18, 51, 42, .68);
  border: 1px solid var(--line);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .page-contact__prep-item:hover,
.page-contact .page-contact__prep-item:focus-within {
  background: rgba(18, 51, 42, .96);
  border-color: rgba(53, 233, 200, .42);
}

.page-contact .page-contact__check {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  margin: 3px 0 0;
  border: 1.5px solid var(--line-soft);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: background .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .page-contact__check:checked {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 3px var(--ink-night);
}

.page-contact .page-contact__check:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .page-contact__prep-body {
  display: block;
  cursor: pointer;
}

.page-contact .page-contact__prep-title {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
  color: var(--mint);
  transition: color .18s var(--ease);
}

.page-contact .page-contact__check:checked + .page-contact__prep-body .page-contact__prep-title {
  color: var(--cyan);
}

.page-contact .page-contact__prep-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--text-muted);
}

/* ---------- 处理流程 ---------- */

.page-contact .page-contact__flow {
  padding-top: 62px;
}

.page-contact .page-contact__steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .page-contact__step {
  padding: 22px 20px;
  border-top: 2px solid var(--cyan);
  background: linear-gradient(158deg, rgba(53, 233, 200, .10), rgba(18, 51, 42, .46));
}

.page-contact .page-contact__step-num {
  display: block;
  margin-bottom: 12px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .page-contact__step h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .4px;
  color: var(--mint);
}

.page-contact .page-contact__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .page-contact__topics {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-contact .page-contact__topic {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .page-contact__topic h3 {
  margin: 0 0 6px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .8px;
  color: var(--amber);
}

.page-contact .page-contact__topic p {
  margin: 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ---------- 商务合作 ---------- */

.page-contact .page-contact__partner {
  padding-top: 62px;
}

.page-contact .page-contact__partner-block {
  position: relative;
  padding: 30px 22px 32px 26px;
  background: var(--ink-slab);
  border-left: 4px solid var(--flame);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut-lg)) 0, 100% var(--contact-cut-lg), 100% 100%, 0 100%);
}

.page-contact .page-contact__partner-block p {
  margin: 0 0 14px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.86;
  color: var(--text-on-dark);
}

.page-contact .page-contact__details {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: rgba(10, 30, 25, .56);
}

.page-contact .page-contact__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .9px;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .page-contact__summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 16px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .page-contact__details[open] .page-contact__summary::before {
  content: "–";
}

.page-contact .page-contact__summary:hover {
  background: rgba(53, 233, 200, .07);
}

.page-contact .page-contact__fields {
  margin: 0;
  padding: 2px 18px 20px;
}

.page-contact .page-contact__field {
  padding: 13px 0;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .page-contact__field dt {
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .4px;
  color: var(--mint);
}

.page-contact .page-contact__field dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ---------- 邮寄说明与收尾 ---------- */

.page-contact .page-contact__postal {
  padding-top: 56px;
}

.page-contact .page-contact__postal-block {
  padding-bottom: 44px;
  border-top: 1px solid var(--line-soft);
  padding-top: 26px;
}

.page-contact .page-contact__postal-block h2 {
  margin: 0 0 13px;
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.2px;
  color: var(--mint);
}

.page-contact .page-contact__postal-block p {
  margin: 0 0 12px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.86;
  color: var(--text-muted);
}

.page-contact .page-contact__postal-block p:last-child {
  margin-bottom: 0;
}

.page-contact .page-contact__inline-addr {
  color: var(--mint);
  font-weight: 700;
  letter-spacing: .3px;
  user-select: all;
}

.page-contact .page-contact__seam {
  height: 1px;
  background: linear-gradient(90deg,
    rgba(53, 233, 200, 0) 0%,
    rgba(53, 233, 200, .55) 16%,
    rgba(53, 233, 200, .55) 84%,
    rgba(53, 233, 200, 0) 100%);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 700px) {
  .page-contact .page-contact__prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .page-contact__topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-contact .page-contact__topic {
    border-bottom: none;
    padding: 20px 0 0;
  }
}

@media (min-width: 900px) {
  .page-contact .page-contact__crumb {
    padding-top: calc(var(--topbar-h) + 34px);
  }

  .page-contact .page-contact__hero {
    padding-top: 42px;
  }

  .page-contact .page-contact__channels {
    padding-top: 46px;
  }

  .page-contact .page-contact__channels-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .page-contact__map-frame {
    position: sticky;
    top: calc(var(--topbar-h) + 30px);
  }

  .page-contact .page-contact__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 2px solid var(--cyan);
  }

  .page-contact .page-contact__step {
    border-top: none;
    padding: 26px 22px;
  }

  .page-contact .page-contact__step + .page-contact__step {
    border-left: 1px solid var(--line-soft);
  }

  .page-contact .page-contact__partner-block {
    padding: 38px 44px 40px 46px;
  }

  .page-contact .page-contact__fields {
    padding: 4px 22px 24px;
  }

  .page-contact .page-contact__prep,
  .page-contact .page-contact__flow,
  .page-contact .page-contact__partner {
    padding-top: 78px;
  }

  .page-contact .page-contact__postal {
    padding-top: 68px;
  }

  .page-contact .page-contact__postal-block {
    padding-top: 32px;
    padding-bottom: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .page-contact__card,
  .page-contact .page-contact__prep-item,
  .page-contact .page-contact__check,
  .page-contact .page-contact__prep-title {
    transition: none;
  }

  .page-contact .page-contact__card:hover,
  .page-contact .page-contact__card:focus-within {
    transform: none;
  }
}