.page-contact {
  --ct-panel: rgba(18, 51, 42, 0.55);
  --ct-line: var(--c-grid);
  --ct-ink: var(--c-mist);
  padding-bottom: 72px;
}

.page-contact .ct-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 8px;
}

.page-contact .ct-hero__main .lede {
  max-width: 60ch;
  margin-top: 14px;
}

.page-contact .ct-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-rail__cell {
  margin: 0;
  padding: 14px 16px;
  background: var(--c-char);
}

.page-contact .ct-rail__cell dt {
  margin: 0 0 6px;
  font-size: var(--fs-7);
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-contact .ct-rail__cell dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-lime);
  word-break: break-word;
}

/* 左右分栏 */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  padding-top: 52px;
  padding-bottom: 52px;
}

.page-contact .ct-col .h2 {
  margin-bottom: 12px;
}

.page-contact .ct-col > .body-text {
  margin: 0 0 4px;
  max-width: 52ch;
  color: var(--c-muted);
}

/* 联系渠道 */
.page-contact .ct-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-item {
  position: relative;
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--c-lime);
  padding: 20px 20px 22px;
  background: linear-gradient(160deg, var(--ct-panel), rgba(20, 24, 26, 0.72));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-item:hover,
.page-contact .ct-item:focus-within {
  transform: translateX(6px);
  border-color: var(--c-lime);
}

.page-contact .ct-item__label {
  margin: 0 0 10px;
  font-size: var(--fs-7);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .ct-item__value {
  margin: 0 0 12px;
  font-size: var(--fs-5);
  line-height: 1.4;
  color: var(--c-lime);
  word-break: break-all;
}

.page-contact .ct-item__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(232, 239, 233, 0.78);
}

/* 通信地址 */
.page-contact .ct-addr {
  position: relative;
  margin-top: 22px;
  border: 1px solid var(--ct-line);
  padding: 22px 20px;
  background: var(--c-char);
  overflow: hidden;
}

.page-contact .ct-addr::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 58, 52, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 52, 0.6) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.55;
}

.page-contact .ct-addr > * {
  position: relative;
  z-index: 1;
}

.page-contact .ct-addr__label {
  margin: 0 0 10px;
  font-size: var(--fs-7);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .ct-addr__value {
  margin: 0 0 10px;
  font-size: var(--fs-5);
  line-height: 1.5;
  color: var(--ct-ink);
}

.page-contact .ct-addr__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* 图片 */
.page-contact .ct-figure {
  margin: 26px 0 0;
  border: 1px solid var(--ct-line);
  background: var(--c-char);
}

.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--wide img {
  aspect-ratio: 12 / 7;
}

.page-contact .ct-figure__cap {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--ct-line);
  font-size: var(--fs-7);
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

/* 合作流程步骤条 */
.page-contact .ct-steps {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .ct-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 34px;
  width: 1px;
  background: var(--ct-line);
}

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
  transition: transform var(--dur) var(--ease);
}

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

.page-contact .ct-step:hover,
.page-contact .ct-step:focus-within {
  transform: translateX(6px);
}

.page-contact .ct-step__idx {
  position: relative;
  z-index: 1;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ct-line);
  background: var(--c-deep);
  color: var(--c-lime);
  font-size: var(--fs-7);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-step:hover .ct-step__idx,
.page-contact .ct-step:focus-within .ct-step__idx {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-vignette);
}

.page-contact .ct-step__title {
  margin: 5px 0 8px;
  color: var(--ct-ink);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* 沟通前准备 */
.page-contact .ct-prep {
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
  background: linear-gradient(180deg, var(--c-char), var(--c-deep));
}

.page-contact .ct-prep__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 52px;
  padding-bottom: 52px;
}

.page-contact .ct-prep__head .h2 {
  margin-bottom: 12px;
  max-width: 26ch;
}

.page-contact .ct-prep__head .body-text {
  margin: 0;
  max-width: 48ch;
  color: var(--c-muted);
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-prep__item {
  background: var(--c-deep);
  padding: 20px;
}

.page-contact .ct-prep__num {
  display: block;
  margin-bottom: 10px;
  font-size: var(--fs-7);
  letter-spacing: 0.14em;
  color: var(--c-lime);
}

.page-contact .ct-prep__title {
  margin: 0 0 8px;
  color: var(--ct-ink);
}

.page-contact .ct-prep__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

/* 常见咨询 */
.page-contact .ct-topics-block {
  padding-top: 56px;
}

.page-contact .ct-topics-block .h2 {
  margin-bottom: 12px;
}

.page-contact .ct-topics-block > .body-text {
  margin: 0;
  max-width: 50ch;
  color: var(--c-muted);
}

.page-contact .ct-topics {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .ct-topic {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ct-line);
  border-top: 2px solid var(--c-lime);
  padding: 20px;
  background: var(--ct-panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-topic:hover,
.page-contact .ct-topic:focus-within {
  border-color: var(--c-lime);
  background: rgba(18, 51, 42, 0.8);
}

.page-contact .ct-topic__tag {
  margin: 0 0 12px;
  font-size: var(--fs-7);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .ct-topic__title {
  margin: 0 0 10px;
  color: var(--ct-ink);
}

.page-contact .ct-topic__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
  flex: 1 1 auto;
}

.page-contact .ct-topic__link {
  align-self: flex-start;
  font-size: var(--fs-7);
  letter-spacing: 0.06em;
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-topic__link:hover,
.page-contact .ct-topic__link:focus-visible {
  border-bottom-color: var(--c-lime);
}

/* 收束 */
.page-contact .ct-tail {
  margin-top: 40px;
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--c-flare);
  padding: 24px 20px;
  background: var(--c-char);
  display: grid;
  gap: 18px;
}

.page-contact .ct-tail__text {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.7;
  color: var(--ct-ink);
  font-family: var(--font-serif);
}

.page-contact .ct-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 620px) {
  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .page-contact {
    padding-bottom: 96px;
  }

  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
    padding-top: 40px;
    padding-bottom: 12px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 64px;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .page-contact .ct-col--flow {
    margin-top: 48px;
  }

  .page-contact .ct-prep__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .page-contact .ct-topics-block {
    padding-top: 72px;
  }

  .page-contact .ct-topics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--ct-line);
    border: 1px solid var(--ct-line);
  }

  .page-contact .ct-topic {
    border: 0;
    border-top: 2px solid var(--c-lime);
    background: var(--c-char);
  }

  .page-contact .ct-tail {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 28px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-item,
  .page-contact .ct-step,
  .page-contact .ct-step__idx,
  .page-contact .ct-topic,
  .page-contact .ct-topic__link {
    transition: none;
  }

  .page-contact .ct-item:hover,
  .page-contact .ct-item:focus-within,
  .page-contact .ct-step:hover,
  .page-contact .ct-step:focus-within {
    transform: none;
  }
}