.page-contact {
  --ct-hair: rgba(232, 237, 245, .14);
  --ct-hair-strong: rgba(232, 237, 245, .3);
  background: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: 22px;
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
}

.page-contact .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 26px 0 0;
}

.page-contact .ct-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.9rem, 14vw, 6.4rem);
  line-height: .86;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--white);
  text-transform: uppercase;
}

.page-contact .ct-hero__row {
  margin-top: 26px;
}

.page-contact .ct-hero__sub {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .ct-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .ct-hero__strip {
  display: grid;
  grid-template-columns: 1fr;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-hero__strip li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-strip__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faint);
  flex: none;
  min-width: 76px;
}

.page-contact .ct-strip__v {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-hero__figure {
  margin: 30px 0 0;
  border-top: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
  background: var(--ink-3);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  max-height: 340px;
  filter: saturate(.55) contrast(1.05);
}

/* ---------- 章节头 ---------- */
.page-contact .ct-sec {
  border-top: 1px solid var(--ct-hair);
  padding-top: 22px;
  margin-bottom: 26px;
}

.page-contact .ct-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-contact .ct-sec__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 5.6vw, 2.5rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .ct-sec__note {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 分区容器 ---------- */
.page-contact .ct-channels,
.page-contact .ct-flow,
.page-contact .ct-partner,
.page-contact .ct-faq {
  padding: 46px 0;
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .ct-channels__left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .ct-card {
  border: 1px solid var(--ct-hair);
  border-left: 3px solid var(--cyan);
  background: var(--ink-2);
  padding: 22px 20px;
}

.page-contact .ct-card--phone {
  border-left-color: var(--orange);
}

.page-contact .ct-card--addr {
  border-left-color: var(--turf);
}

.page-contact .ct-card__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--faint);
}

.page-contact .ct-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4vw, 1.3rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-card--mail .ct-card__value {
  color: var(--cyan);
}

.page-contact .ct-card--phone .ct-card__value {
  color: var(--orange);
}

.page-contact .ct-card__value--addr {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .ct-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-map {
  margin-top: 18px;
  border: 1px solid var(--ct-hair);
  background: var(--ink-3);
}

.page-contact .ct-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 渠道选择面板 ---------- */
.page-contact .ct-router {
  border: 1px solid var(--ct-hair);
  background: var(--ink-2);
  padding: 22px 20px;
}

.page-contact .ct-router__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white);
}

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

.page-contact .ct-router__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  padding: 14px 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-router__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-router__case {
  font-size: 14px;
  line-height: 1.55;
  color: var(--mist);
}

.page-contact .ct-router__pick {
  align-self: start;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  padding: 4px 8px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-contact .ct-router__pick--mail {
  color: var(--cyan);
}

.page-contact .ct-router__pick--call {
  color: var(--orange);
}

.page-contact .ct-router__why {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faint);
}

/* ---------- 流程 ---------- */
.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  padding: 18px 12px 18px 0;
  border-top: 1px solid var(--ct-hair);
  transition: background-color .2s ease, border-color .2s ease;
}

.page-contact .ct-step:hover {
  background: rgba(0, 229, 212, .06);
  border-top-color: rgba(0, 229, 212, .42);
}

.page-contact .ct-step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .ct-step__num {
  grid-column: 1;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .ct-step__title {
  grid-column: 2;
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .ct-step__body {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-flow__figure {
  margin: 0;
  border: 1px solid var(--ct-hair);
  background: var(--ink-2);
}

.page-contact .ct-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.55);
}

.page-contact .ct-flow__caption {
  border-top: 1px solid var(--ct-hair);
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--faint);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .ct-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .ct-panel {
  border: 1px solid var(--ct-hair);
  border-top: 3px solid var(--turf);
  background: var(--ink-2);
  padding: 22px 20px;
}

.page-contact .ct-panel--indigo {
  border-top-color: var(--indigo);
}

.page-contact .ct-panel--wine {
  border-top-color: var(--wine);
}

.page-contact .ct-panel__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .ct-panel__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq__list {
  border-top: 1px solid var(--ct-hair);
}

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

.page-contact .ct-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--mist);
  transition: color .2s ease;
}

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

.page-contact .ct-faq__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}

.page-contact .ct-faq__item[open] summary::after {
  content: "−";
}

.page-contact .ct-faq__item summary:hover,
.page-contact .ct-faq__item[open] summary {
  color: var(--white);
}

.page-contact .ct-faq__body {
  padding: 0 0 20px;
  max-width: 74ch;
}

.page-contact .ct-faq__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-close {
  border-top: 1px solid var(--ct-hair);
  background: var(--ink-3);
  padding: 34px 0 46px;
}

.page-contact .ct-close__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

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

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

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-hero__strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-hero__strip li {
    padding: 16px 0;
  }

  .page-contact .ct-hero__strip li:nth-child(odd) {
    padding-right: 20px;
  }

  .page-contact .ct-hero__strip li:nth-child(even) {
    padding-left: 20px;
    border-left: 1px solid var(--ct-hair);
  }

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

  .page-contact .ct-channels,
  .page-contact .ct-flow,
  .page-contact .ct-partner,
  .page-contact .ct-faq {
    padding: 54px 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .ct-hero {
    padding-top: 40px;
  }

  .page-contact .ct-hero__row {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .ct-hero__acts {
    margin-top: 0;
    justify-content: flex-end;
  }

  .page-contact .ct-hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-bottom: 1px solid var(--ct-hair);
  }

  .page-contact .ct-hero__strip li {
    border-bottom: 0;
    padding: 18px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-contact .ct-hero__strip li:first-child {
    padding-left: 0;
  }

  .page-contact .ct-hero__strip li:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-contact .ct-hero__strip li + li {
    border-left: 1px solid var(--ct-hair);
  }

  .page-contact .ct-hero__strip li:nth-child(even) {
    padding-left: 20px;
  }

  .page-contact .ct-hero__figure {
    margin-top: 40px;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .ct-flow__figure {
    position: sticky;
    top: 140px;
  }

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

  .page-contact .ct-close__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }

  .page-contact .ct-close__acts {
    justify-content: flex-end;
  }

  .page-contact .ct-channels,
  .page-contact .ct-flow,
  .page-contact .ct-partner,
  .page-contact .ct-faq {
    padding: 68px 0;
  }
}