.page-contact {
  --ct-watermark: repeating-linear-gradient(
    0deg,
    color-mix(in srgb, var(--color-contrast-ink) 3%, transparent) 0 1px,
    transparent 1px 6px
  );
  --ct-hair: var(--border-thin) solid var(--color-line);
  --ct-hair-dark: var(--border-thin) solid var(--color-contrast-line);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  overflow-x: clip;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: 0;
}

.page-contact p {
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  padding-block: var(--space-6) var(--section-y);
  border-bottom: var(--border-thin) dashed var(--color-line);
}

.page-contact .ct-crumbs {
  margin-bottom: var(--space-4);
}

.page-contact .ct-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-contact .ct-hero__title {
  font-size: var(--text-3xl);
  margin-top: var(--space-2);
}

.page-contact .ct-hero__lede {
  margin-top: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
}

.page-contact .ct-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-contact .ct-hero__panel {
  background-color: var(--color-contrast-surface);
  background-image: var(--ct-watermark);
  color: var(--color-contrast-ink);
  border: var(--ct-hair-dark);
  padding: var(--space-4);
  align-self: start;
}

.page-contact .ct-panel__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-contrast-line);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.page-contact .ct-readout {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  padding-block: var(--space-3);
  border-bottom: var(--ct-hair-dark);
}

.page-contact .ct-readout:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-readout:first-of-type {
  padding-top: 0;
}

.page-contact .ct-readout .readout__label {
  flex-basis: 100%;
  font-size: var(--text-sm);
  color: var(--color-contrast-line);
}

.page-contact .ct-readout .readout__value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-contact .ct-readout__time {
  letter-spacing: 0.02em;
}

.page-contact .ct-readout .readout__unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  color: var(--color-contrast-ink);
  margin-left: var(--space-1);
}

/* ---------- 区块标题 ---------- */

.page-contact .ct-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
  border-bottom: var(--ct-hair);
}

.page-contact .ct-head h2 {
  font-size: var(--text-2xl);
}

.page-contact .ct-head p {
  flex-basis: 100%;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-contact .ct-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.page-contact .ct-num--dark {
  color: var(--color-contrast-accent);
}

/* ---------- 渠道对照 ---------- */

.page-contact .ct-channels {
  padding-block: var(--section-y);
}

.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .ct-channel {
  padding: var(--space-6) var(--space-4);
  min-width: 0;
}

.page-contact .ct-channel__addr {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  margin-top: var(--space-3);
  word-break: break-word;
}

.page-contact .ct-channel__lead {
  margin-top: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
}

.page-contact .ct-channel--mail {
  background-color: var(--color-surface-alt);
  color: var(--color-ink);
  border-bottom: var(--ct-hair);
}

.page-contact .ct-channel--mail .ct-channel__lead {
  color: var(--color-ink-soft);
}

.page-contact .ct-channel--phone {
  background-color: var(--color-contrast-surface);
  background-image: var(--ct-watermark);
  color: var(--color-contrast-ink);
  border-top: var(--border-thin) dashed var(--color-contrast-line);
}

.page-contact .ct-channel--phone .ct-channel__lead {
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-contact .ct-ch-examples {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-contact .ct-ch-examples li {
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  transition: border-color 160ms linear, color 160ms linear;
}

.page-contact .ct-channel--phone .ct-ch-examples li {
  border-left-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-contact .ct-channel--mail:hover .ct-ch-examples li,
.page-contact .ct-channel--mail:focus-within .ct-ch-examples li {
  border-left-color: var(--color-accent);
  color: var(--color-ink);
}

.page-contact .ct-channel--phone:hover .ct-ch-examples li,
.page-contact .ct-channel--phone:focus-within .ct-ch-examples li {
  border-left-color: var(--color-contrast-accent);
  opacity: 1;
}

.page-contact .ct-figure {
  margin: var(--space-6) 0 0;
}

.page-contact .ct-figure--paths {
  max-width: 820px;
}

.page-contact .ct-figure__box {
  background-color: var(--color-surface-deep);
  border: var(--ct-hair);
  overflow: hidden;
}

.page-contact .ct-figure__box img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-frame__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-contact .media-frame--dark .media-frame__caption {
  color: var(--color-contrast-line);
}

/* ---------- 准备清单 ---------- */

.page-contact .ct-prepare {
  padding-block: var(--section-y);
  background-color: var(--color-surface-alt);
  border-top: var(--border-thin) dashed var(--color-line);
  border-bottom: var(--border-thin) dashed var(--color-line);
}

.page-contact .ct-prepare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-contact .ct-prepare__intro h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-2);
}

.page-contact .ct-prepare__intro p {
  margin-top: var(--space-3);
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-contact .ct-prepare__note {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-contact .ct-checklist .accordion-item {
  background-color: var(--color-surface);
  border: var(--ct-hair);
}

.page-contact .ct-checklist .accordion-item + .accordion-item {
  margin-top: calc(var(--border-thin) * -1);
}

.page-contact .ct-checklist .accordion-head {
  margin: 0;
  font-size: var(--text-base);
}

.page-contact .ct-checklist .accordion-trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3);
  background: transparent;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms linear;
}

.page-contact .ct-checklist .accordion-trigger:hover {
  background-color: var(--color-primary-soft);
}

.page-contact .ct-checklist .accordion-trigger:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: calc(var(--border-thin) * -1);
}

.page-contact .ct-check-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--space-4);
  height: var(--space-4);
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background-color: var(--color-surface-deep);
  color: var(--color-ink-soft);
  border: var(--ct-hair);
  transition: background-color 160ms linear, color 160ms linear, border-color 160ms linear;
}

.page-contact .ct-check-label {
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  min-width: 0;
}

.page-contact .accordion-marker {
  position: relative;
  width: var(--space-2);
  height: var(--space-2);
  flex: none;
}

.page-contact .accordion-marker::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: var(--border-thin);
  margin-top: calc(var(--border-thin) / -2);
  background-color: var(--color-ink-muted);
}

.page-contact .accordion-marker::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: var(--border-thin);
  margin-left: calc(var(--border-thin) / -2);
  background-color: var(--color-ink-muted);
  transition: opacity 160ms linear;
}

.page-contact .ct-checklist .accordion-item[data-open] .accordion-marker::after {
  opacity: 0;
}

.page-contact .ct-checklist .accordion-item[data-open] .ct-check-index {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}

.page-contact .ct-checklist .accordion-item[data-open] .accordion-trigger {
  background-color: var(--color-highlight);
}

.page-contact .ct-checklist .accordion-panel {
  margin: 0 var(--space-3) var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-thin) dotted var(--color-line);
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-base);
}

/* ---------- 响应时段 ---------- */

.page-contact .ct-response {
  padding-block: var(--section-y);
}

.page-contact .ct-response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-contact .ct-window {
  border: var(--ct-hair);
  background-color: var(--color-surface-alt);
  padding: var(--space-3);
}

.page-contact .ct-window__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: baseline;
}

.page-contact .ct-window__day {
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-contact .ct-window__state {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-contact .ct-window__track {
  position: relative;
  height: var(--space-1);
  background-color: var(--color-surface-deep);
  margin-block: var(--space-3);
  overflow: hidden;
}

.page-contact .ct-window__seg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 75%;
  background-color: var(--color-accent);
  transform-origin: left center;
  animation: ct-window-fill 900ms ease-out both;
}

.page-contact .ct-window__track::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 75%;
  right: 0;
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-ink-muted) 0 2px,
    transparent 2px 7px
  );
  opacity: 0.55;
}

@keyframes ct-window-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.page-contact .ct-window__ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-3);
}

.page-contact .ct-window__ticks li {
  display: grid;
  gap: calc(var(--space-1) / 2);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  min-width: 0;
}

.page-contact .ct-window__ticks .mono {
  font-size: var(--text-xs);
  color: var(--color-ink);
  letter-spacing: 0.06em;
}

.page-contact .ct-window__after {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-thin) dotted var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-contact .ct-points {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--ct-hair);
  grid-column: 1 / -1;
}

.page-contact .ct-points li {
  display: grid;
  gap: calc(var(--space-1) / 2);
  padding-block: var(--space-3);
  border-bottom: var(--ct-hair);
  max-width: var(--measure);
}

.page-contact .ct-points strong {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-contact .ct-points span {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-contact .ct-figure--window {
  margin: 0;
}

.page-contact .media-frame--dark .ct-figure__box {
  background-color: var(--color-contrast-surface);
  border: var(--ct-hair-dark);
}

/* ---------- 收尾 ---------- */

.page-contact .ct-closing {
  background-color: var(--color-contrast-surface);
  background-image: var(--ct-watermark);
  color: var(--color-contrast-ink);
  padding-block: var(--section-y-lg);
}

.page-contact .ct-closing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-contact .ct-closing__main h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-2);
}

.page-contact .ct-closing__main p {
  margin-top: var(--space-3);
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-contact .ct-next {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-contact .ct-next li {
  display: grid;
  gap: calc(var(--space-1) / 2);
  padding-left: var(--space-3);
  border-left: var(--border-thin) dashed var(--color-contrast-line);
  max-width: var(--measure);
}

.page-contact .ct-next a {
  color: var(--color-contrast-accent);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 160ms linear, color 160ms linear;
}

.page-contact .ct-next a:hover {
  border-bottom-color: var(--color-contrast-accent);
}

.page-contact .ct-next a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: var(--space-1);
}

.page-contact .ct-next span {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-contact .ct-closing__aside {
  border: var(--ct-hair-dark);
  padding: var(--space-4);
  align-self: start;
}

.page-contact .ct-aside__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-contrast-line);
  margin-bottom: var(--space-3);
  font-weight: var(--weight-body);
}

.page-contact .ct-promise__line {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-bottom: var(--ct-hair-dark);
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
}

.page-contact .ct-promise__line .support-dot {
  flex: none;
  align-self: center;
}

.page-contact .ct-facts {
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-contact .ct-facts div {
  display: grid;
  gap: calc(var(--space-1) / 2);
}

.page-contact .ct-facts dt {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-line);
}

.page-contact .ct-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-contact .ct-window__ticks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-head h2,
  .page-contact .ct-prepare__intro h2,
  .page-contact .ct-closing__main h2 {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__split {
    grid-template-columns: 8fr 4fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-contact .ct-channel-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .ct-channel--mail {
    border-bottom: 0;
    border-right: var(--ct-hair);
  }

  .page-contact .ct-channel--phone {
    border-top: 0;
    border-left: var(--border-thin) dashed var(--color-contrast-line);
  }

  .page-contact .ct-prepare-grid {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-contact .ct-response-grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-contact .ct-closing__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-contact .ct-hero__title {
    font-size: var(--text-4xl);
  }

  .page-contact .ct-channel__addr {
    font-size: var(--text-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-window__seg {
    animation: none;
  }

  .page-contact .ct-ch-examples li,
  .page-contact .ct-checklist .accordion-trigger,
  .page-contact .ct-check-index,
  .page-contact .accordion-marker::after,
  .page-contact .ct-next a {
    transition: none;
  }
}
<<<END>>>