.page-contact {
  --ct-lake-ink: #0C6E72;
  --ct-line-light: rgba(14, 35, 64, .16);
  --ct-line-light-soft: rgba(14, 35, 64, .09);
  background: var(--c-night);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 01 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: calc(var(--header-offset) + 28px) 0 54px;
  background:
    radial-gradient(120% 92% at 84% -10%, rgba(23, 162, 166, .20), transparent 58%),
    radial-gradient(90% 70% at 0% 110%, rgba(232, 178, 58, .10), transparent 60%),
    var(--c-night);
}

.page-contact .ct-hero-grid {
  width: min(var(--w-max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  box-sizing: border-box;
  padding: clamp(22px, 3vw, 42px);
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(23, 162, 166, .07), rgba(7, 23, 41, .34) 72%);
  display: grid;
  gap: 30px;
}

.page-contact .ct-hero-copy {
  min-width: 0;
}

.page-contact .ct-hero .crumbs {
  margin-bottom: 18px;
}

.page-contact .ct-hero .section-label {
  margin: 0 0 14px;
}

.page-contact .ct-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .ct-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-contact .ct-hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero-index {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--c-hair);
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  overflow: hidden;
  align-self: start;
}

.page-contact .ct-fact {
  padding: 15px 18px;
  background: rgba(7, 23, 41, .74);
}

.page-contact .ct-fact dt {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-lake-soft);
}

.page-contact .ct-fact dd {
  margin: 7px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 25px;
  letter-spacing: -.01em;
  line-height: 1.1;
  color: var(--ink);
}

.page-contact .ct-fact dd small {
  display: block;
  margin-top: 5px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--ink-faint);
}

/* ---------- 通用章节头 ---------- */

.page-contact .ct-sec-head {
  max-width: 62ch;
}

.page-contact .ct-sec-head .section-label {
  margin: 0 0 14px;
}

.page-contact .ct-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .ct-sec-sub {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- 02 渠道卡 ---------- */

.page-contact .ct-channels {
  padding: 20px 0 8px;
}

.page-contact .ct-channel-grid {
  margin-top: 34px;
  display: grid;
  gap: 18px;
}

.page-contact .ct-ch {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px 22px;
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(23, 162, 166, .05), rgba(7, 23, 41, .4) 68%);
  box-shadow: 0 18px 44px -34px rgba(0, 0, 0, .95);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .ct-ch::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 2px;
  background: var(--c-lake);
}

.page-contact .ct-ch-b::before { background: var(--c-gold); }
.page-contact .ct-ch-c::before { background: var(--c-lake-soft); }

.page-contact .ct-ch:hover,
.page-contact .ct-ch:focus-within {
  transform: translateY(-3px);
  border-color: rgba(23, 162, 166, .5);
}

.page-contact .ct-ch-b:hover,
.page-contact .ct-ch-b:focus-within { border-color: rgba(232, 178, 58, .5); }

.page-contact .ct-ch-c:hover,
.page-contact .ct-ch-c:focus-within { border-color: rgba(111, 211, 210, .5); }

.page-contact .ct-ch-no {
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-gold-soft);
}

.page-contact .ct-ch-a .ct-ch-no { color: var(--c-lake-soft); }
.page-contact .ct-ch-c .ct-ch-no { color: var(--c-lake-soft); }

.page-contact .ct-ch h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .ct-ch-scope {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-contact .ct-ch-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--ct-line-light-soft);
  padding-top: 14px;
}

.page-contact .ct-ch-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-contact .ct-ch-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--c-stone);
}

.page-contact .ct-ch-more {
  display: block;
}

.page-contact .ct-ch-more p {
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--c-hair);
  background: rgba(7, 23, 41, .5);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-faint);
}

.page-contact .ct-ch-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--c-lake-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 211, 210, .35);
  padding-bottom: 3px;
  align-self: flex-start;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-ch-link::after {
  content: "→";
  font-size: 12px;
}

.page-contact .ct-ch-link:hover,
.page-contact .ct-ch-link:focus-visible {
  color: var(--c-gold-soft);
  border-color: var(--c-gold-soft);
}

/* ---------- 03 时区排班 ---------- */

.page-contact .ct-clock {
  margin-top: 76px;
  padding: 66px 0 0;
  border-top: 1px solid var(--c-hair);
  background:
    linear-gradient(180deg, rgba(23, 162, 166, .06), transparent 44%),
    var(--c-deep);
}

.page-contact .ct-clock-figure {
  position: relative;
  width: min(var(--w-max), calc(100% - var(--gutter) * 2));
  margin: 34px auto 0;
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-night);
}

.page-contact .ct-clock-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(.92) brightness(.86);
}

.page-contact .ct-tz-rail {
  margin-top: 30px;
  padding: 6px var(--gutter) 24px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-contact .ct-tz-list {
  display: flex;
  gap: 12px;
  min-width: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-tz {
  position: relative;
  scroll-snap-align: start;
  flex: 0 0 auto;
  width: 176px;
  display: grid;
  gap: 6px;
  padding: 16px 15px 18px;
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background: rgba(7, 23, 41, .68);
}

.page-contact .ct-tz::before {
  content: "";
  position: absolute;
  top: 0;
  left: 15px;
  width: 22px;
  height: 2px;
  background: var(--c-lake);
}

.page-contact .ct-tz.is-primary::before { background: var(--c-gold); }

.page-contact .ct-tz.is-primary {
  border-color: rgba(232, 178, 58, .42);
  background: rgba(232, 178, 58, .06);
}

.page-contact .ct-tz-off {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-lake-soft);
}

.page-contact .ct-tz.is-primary .ct-tz-off { color: var(--c-gold-soft); }

.page-contact .ct-tz-city {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-dim);
}

.page-contact .ct-tz-win {
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--ink);
  padding-top: 4px;
  border-top: 1px solid var(--ct-line-light-soft);
}

/* ---------- 04 信息清单 ---------- */

.page-contact .ct-checklist {
  margin-top: 76px;
  padding: 66px 0 62px;
  background: var(--c-mist);
  color: var(--c-deep);
}

.page-contact .ct-checklist .section-label {
  color: var(--ct-lake-ink);
  border-top-color: rgba(14, 35, 64, .22);
}

.page-contact .ct-checklist h2 {
  color: var(--c-deep);
}

.page-contact .ct-sec-head-light .ct-sec-sub {
  color: rgba(14, 35, 64, .68);
}

.page-contact .ct-list {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-line-light);
}

.page-contact .ct-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ct-line-light-soft);
}

.page-contact .ct-item-no {
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--ct-lake-ink);
  padding-top: 5px;
}

.page-contact .ct-item-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--c-deep);
}

.page-contact .ct-item-body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(14, 35, 64, .74);
}

.page-contact .ct-check-note {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--c-lake);
  background: rgba(23, 162, 166, .07);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 35, 64, .78);
}

/* ---------- 05 合作对接 ---------- */

.page-contact .ct-collab {
  padding: 76px 0 70px;
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(232, 178, 58, .10), transparent 56%),
    var(--c-night);
}

.page-contact .ct-collab-grid {
  display: grid;
  gap: 32px;
}

.page-contact .ct-collab-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .ct-collab-copy p {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-contact .ct-collab-copy .btn {
  margin-top: 26px;
}

.page-contact .ct-collab-rows {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--c-hair);
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-collab-row {
  padding: 18px 20px;
  background: rgba(7, 23, 41, .74);
}

.page-contact .ct-collab-row dt {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--c-gold-soft);
}

.page-contact .ct-collab-row dd {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- 06 地理收束 ---------- */

.page-contact .ct-geo {
  position: relative;
  background: var(--c-deep);
}

.page-contact .ct-geo-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 42px;
}

.page-contact .ct-geo-copy .section-label {
  margin: 0 0 14px;
}

.page-contact .ct-geo-copy h2 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .ct-geo-copy > p {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-contact .ct-geo-facts {
  margin: 30px 0 0;
  display: grid;
  gap: 1px;
  background: var(--c-hair);
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-geo-facts > div {
  padding: 14px 18px;
  background: rgba(7, 23, 41, .82);
  display: grid;
  gap: 5px;
}

.page-contact .ct-geo-facts dt {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-lake-soft);
}

.page-contact .ct-geo-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-note {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-faint);
}

.page-contact .ct-geo-media {
  position: relative;
  margin: 0;
  line-height: 0;
}

.page-contact .ct-geo-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.82) brightness(.74);
}

.page-contact .ct-geo-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    var(--c-deep) 0%,
    rgba(7, 23, 41, .42) 38%,
    rgba(7, 23, 41, .9) 100%);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-geo-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding-bottom: 72px;
  }

  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, .9fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .ct-ch-a { grid-column: 1 / span 4; }
  .page-contact .ct-ch-b { grid-column: 5 / span 4; margin-top: 42px; }
  .page-contact .ct-ch-c { grid-column: 9 / span 4; margin-top: 84px; }

  .page-contact .ct-clock {
    margin-top: 96px;
    padding-top: 78px;
  }

  .page-contact .ct-checklist {
    margin-top: 96px;
    padding-top: 78px;
  }

  .page-contact .ct-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 46px;
    border-top: 0;
    padding-top: 0;
  }

  .page-contact .ct-item {
    border-top: 1px solid var(--ct-line-light);
    padding-top: 22px;
  }

  .page-contact .ct-collab {
    padding: 96px 0 88px;
  }

  .page-contact .ct-collab-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-geo {
    padding-top: 96px;
  }

  .page-contact .ct-geo-copy {
    padding-bottom: 54px;
  }

  .page-contact .ct-geo-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) and (hover: hover) {
  .page-contact .ct-ch-more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .32s var(--ease), opacity .32s var(--ease);
  }

  .page-contact .ct-ch:hover .ct-ch-more,
  .page-contact .ct-ch:focus-within .ct-ch-more {
    max-height: 9rem;
    opacity: 1;
  }
}

@media (min-width: 1240px) {
  .page-contact .ct-tz {
    width: 188px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-ch,
  .page-contact .ct-ch-more,
  .page-contact .ct-ch-link {
    transition: none;
  }
}