.page-contact {
  --ct-cut: 16px;
  --ct-pad: clamp(18px, 2.6vw, 30px);
  --ct-gap: clamp(16px, 2.4vw, 26px);
  padding-bottom: clamp(56px, 9vw, 104px);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(46px, 13vw, 100px);
  line-height: 0.9;
  letter-spacing: -0.035em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-contact .ct-hero__lead {
  max-width: 52ch;
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .ct-status {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--ct-pad);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
}

.page-contact .ct-status__head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .ct-status__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
  margin: 18px 0 0;
}

.page-contact .ct-status__item dt {
  font-size: 12px;
  color: var(--steel);
  letter-spacing: 0.02em;
}

.page-contact .ct-status__item dd {
  margin: 6px 0 0;
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-contact .ct-status__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  margin-top: clamp(44px, 7vw, 88px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-head__index {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

/* ---------- 咨询类型 ---------- */
.page-contact .ct-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .ct-tab {
  appearance: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  background: var(--ink-deep);
  color: var(--steel);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-tab:hover,
.page-contact .ct-tab:focus-visible {
  color: var(--paper);
  border-color: var(--steel);
}

.page-contact .ct-tab.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-deep);
}

.page-contact .ct-tabs__panels > .ct-panel + .ct-panel {
  margin-top: 12px;
}

.page-contact .ct-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: var(--ct-pad);
}

.page-contact .ct-panel__kicker {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-panel__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .ct-panel__lead {
  max-width: 62ch;
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-panel__sub {
  margin-top: 20px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--paper);
}

.page-contact .ct-need {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-need li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .ct-need .mono {
  font-size: 11px;
  color: var(--steel);
  letter-spacing: 0.08em;
}

.page-contact .ct-panel__out {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 响应流程 ---------- */
.page-contact .ct-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 24px 40px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 26px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-size: 10.5px;
  color: var(--cyan);
  background: var(--ink-deep);
  border: 1px solid var(--line);
}

.page-contact .ct-step__title {
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-step__text {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .ct-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-contact .ct-figure__cap {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--steel);
  padding: 10px 14px;
  border-top: 1px solid var(--line);
}

/* ---------- 折叠说明 ---------- */
.page-contact .ct-details--single {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-details {
  border-top: 1px solid var(--line);
}

.page-contact .ct-details__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-details__summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 30px 16px 0;
  cursor: pointer;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--paper);
  list-style: none;
}

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

.page-contact .ct-details__summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-contact details[open] > .ct-details__summary::after {
  content: "−";
}

.page-contact .ct-details__summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-contact .ct-details__body {
  padding: 0 0 18px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-details__body p + p {
  margin-top: 10px;
}

/* ---------- 联系方式卡 ---------- */
.page-contact .ct-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .ct-card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: var(--ct-pad);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
}

.page-contact .ct-card__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .ct-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--paper);
}

.page-contact .ct-card__value {
  display: block;
  margin: 14px 0;
  padding: 10px 12px;
  background: var(--ink-deep);
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-card__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
  margin-bottom: 16px;
}

.page-contact .ct-contact__note {
  margin-top: 22px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--steel);
  max-width: 70ch;
}

.page-contact .ct-inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-inline-link:hover {
  color: var(--paper);
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .ct-prep__item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .ct-prep__num {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .ct-prep__body h3 {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-prep__body p {
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-prep__figure {
  align-self: start;
}

.page-contact .ct-prep__figure .ct-figure__img {
  aspect-ratio: 4 / 3;
}

.page-contact .ct-prep__foot {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--steel);
  max-width: 72ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .ct-card--a {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: end;
  }

  .page-contact .ct-flow {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 3.5vw, 44px);
    align-items: start;
  }

  .page-contact .ct-steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    border-top: 1px dashed var(--line);
  }

  .page-contact .ct-step {
    padding: 30px 0 0;
  }

  .page-contact .ct-step::before {
    display: none;
  }

  .page-contact .ct-step__num {
    top: 0;
    transform: translateY(-50%);
    background: var(--ink);
  }

  .page-contact .ct-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    column-gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-contact .ct-panel__kicker,
  .page-contact .ct-panel__title,
  .page-contact .ct-panel__lead {
    grid-column: 1;
  }

  .page-contact .ct-panel__sub,
  .page-contact .ct-need,
  .page-contact .ct-panel__out {
    grid-column: 2;
  }

  .page-contact .ct-panel__sub {
    margin-top: 0;
  }

  .page-contact .ct-panel__out {
    margin-top: 16px;
  }

  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
    padding-bottom: 56px;
  }

  .page-contact .ct-card--a {
    grid-column: auto;
  }

  .page-contact .ct-card--b {
    transform: translateY(28px);
  }

  .page-contact .ct-card--c {
    transform: translateY(56px);
  }

  .page-contact .ct-prep {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(24px, 3.5vw, 48px);
    align-items: start;
  }

  .page-contact .ct-contact__note {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tab {
    transition: none;
  }
}
<<<END>>>