.page-contact {
  position: relative;
}

.page-contact .ct-crumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 34px) 0 clamp(48px, 7vw, 88px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(720px, 88%);
  height: 165%;
  background: linear-gradient(185deg, rgba(31, 224, 208, 0.15), rgba(15, 169, 160, 0.05) 48%, transparent 74%);
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 72%);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ct-hero h1 {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 14px 0 18px;
  max-width: 17ch;
}

.page-contact .ct-hero .lede {
  max-width: 60ch;
}

.page-contact .ct-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-hero__panel {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(180deg, rgba(18, 59, 94, 0.78), rgba(10, 37, 64, 0.92));
}

.page-contact .ct-hero__panel-title {
  font-family: var(--font-narrow);
  font-size: clamp(15px, 2vw, 17px);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 16px 0 18px;
}

.page-contact .ct-line {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .ct-line__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .ct-line__value {
  color: var(--paper);
  font-size: clamp(14px, 1.9vw, 16px);
  word-break: break-all;
}

.page-contact .ct-hero__panel-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 通用分区 ---------- */
.page-contact .ct-section {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-contact .ct-section--alt {
  background: linear-gradient(180deg, rgba(10, 37, 64, 0.88), rgba(4, 18, 31, 0));
}

.page-contact .ct-section--coord {
  background: linear-gradient(180deg, rgba(4, 18, 31, 0), rgba(10, 37, 64, 0.6) 40%, rgba(4, 18, 31, 0));
}

/* ---------- 01 咨询准备 ---------- */
.page-contact .ct-prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .ct-prep__item:last-child {
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .ct-prep__item h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 2.1vw, 19px);
  color: var(--paper);
  font-weight: 600;
}

.page-contact .ct-prep__item p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .ct-prep__sample {
  position: relative;
  align-self: start;
  padding: clamp(20px, 3vw, 30px);
  border-left: 2px solid var(--orange);
  background: linear-gradient(160deg, rgba(255, 122, 26, 0.1), rgba(10, 37, 64, 0.5) 60%);
}

.page-contact .ct-prep__sample-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .ct-prep__sample-text {
  margin: 0 0 14px;
  color: var(--paper);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
}

.page-contact .ct-prep__sample-note {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 02 三个入口 ---------- */
.page-contact .ct-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 26px);
}

.page-contact .ct-channel {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  background: linear-gradient(180deg, rgba(18, 59, 94, 0.55), rgba(10, 37, 64, 0.35));
  border: 1px solid var(--hair-soft);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-contact .ct-channel--lead {
  border-left: 2px solid var(--cyan);
}

.page-contact .ct-channel h3 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .ct-channel__value {
  margin: 0;
  color: var(--cyan);
  font-size: clamp(13px, 1.8vw, 15px);
  word-break: break-all;
}

.page-contact .ct-channel__desc {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .ct-channel__fit {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--hair-soft);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--glow);
  opacity: 0.72;
}

.page-contact .ct-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 2px;
  padding: 0;
}

.page-contact .ct-chip {
  padding: 5px 11px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid rgba(31, 224, 208, 0.45);
  background: rgba(31, 224, 208, 0.06);
}

.page-contact .ct-fields {
  margin: 6px 0 0;
  padding: 0;
}

.page-contact .ct-fields__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 10px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .ct-fields__row dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .ct-fields__row dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}

/* ---------- 03 常见主题折叠 ---------- */
.page-contact .ct-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .ct-topic {
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .ct-topic summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px 14px;
  padding: 20px 0;
  cursor: pointer;
}

.page-contact .ct-topic__name {
  font-family: var(--font-narrow);
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .ct-topic__hint {
  grid-column: 2;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .ct-topic[open] .ct-topic__name {
  color: var(--cyan);
}

.page-contact .fold__body p {
  margin: 0 0 12px;
  max-width: 72ch;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

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

.page-contact .fold__body {
  padding-bottom: 24px;
}

/* ---------- 04 响应节奏 ---------- */
.page-contact .ct-rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-rhythm__beats {
  display: grid;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .ct-beat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .ct-beat__name {
  font-size: 15px;
  color: var(--paper);
  font-weight: 600;
}

.page-contact .ct-beat__track {
  display: block;
  height: 6px;
  background: rgba(60, 90, 115, 0.3);
}

.page-contact .ct-beat__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
  transition: width var(--dur) var(--ease);
}

.page-contact .ct-beat:nth-child(1) .ct-beat__fill { width: 92%; }
.page-contact .ct-beat:nth-child(2) .ct-beat__fill { width: 74%; }
.page-contact .ct-beat:nth-child(3) .ct-beat__fill { width: 54%; }
.page-contact .ct-beat:nth-child(4) .ct-beat__fill { width: 36%; }

.page-contact .ct-beat__note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-rhythm__fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border-left: 2px solid rgba(31, 224, 208, 0.5);
}

/* ---------- 05 数据服务中心 ---------- */
.page-contact .ct-coord {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-coord__text p {
  margin: 0 0 16px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .ct-coord__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  align-content: start;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}

.page-contact .ct-coord__facts .stat {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: rgba(10, 37, 64, 0.6);
}

.page-contact .ct-coord__map {
  margin: clamp(32px, 5vw, 60px) 0 0;
}

.page-contact .ct-coord__map .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

page-contact .ct-coord__map .media__caption {
  margin-top: 12px;
}

/* ---------- 06 收尾 ---------- */
.page-contact .ct-section--closing {
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-contact .ct-closing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .ct-closing__lead p {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .ct-closing__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .ct-closing__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  align-content: start;
  gap: 0;
}

.page-contact .ct-closing__links li {
  padding: 14px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .ct-closing__links li:last-child {
  border-bottom: 1px solid var(--hair-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-prep__item {
    gap: 22px;
  }

  .page-contact .ct-beat {
    grid-template-columns: 168px minmax(0, 1fr);
    align-items: center;
    gap: 10px 20px;
  }

  .page-contact .ct-beat__note {
    grid-column: 2;
  }

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

  .page-contact .ct-fields__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .ct-hero__panel {
    margin-top: clamp(26px, 5vw, 76px);
  }

  .page-contact .ct-prep {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .ct-channel:nth-child(3) {
    margin-top: 52px;
  }

  .page-contact .ct-rhythm {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .ct-rhythm__fig {
    margin-top: 18px;
  }

  .page-contact .ct-coord {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-coord__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-closing {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}
<<<END>>>