/* ================= 合作联系页 · 页面专属样式 ================= */
.page-contact {
  --ct-hair: 1px solid var(--c-ink);
  --ct-hair-dark: 1px solid rgba(242, 239, 230, .18);
  --ct-text-dim: rgba(242, 239, 230, .64);
  --ct-panel-bg: rgba(242, 239, 230, .05);
}

.page-contact .ct-block {
  padding: 60px 0;
}

@media (min-width: 900px) {
  .page-contact .ct-block {
    padding: 88px 0;
  }
}

/* ---------- 首屏节奏带 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 36px 0 52px;
  overflow: hidden;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-lime) 0%, var(--c-lime) 34%, var(--c-flame) 34%, var(--c-flame) 46%, rgba(242, 239, 230, .18) 46%, rgba(242, 239, 230, .18) 100%);
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 52px 0 76px;
  }
}

.page-contact .ct-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: var(--fs-7);
}

.page-contact .ct-hero .breadcrumb__item {
  color: rgba(242, 239, 230, .58);
  letter-spacing: .04em;
}

.page-contact .ct-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(242, 239, 230, .3);
}

.page-contact .ct-hero .breadcrumb__current {
  color: var(--c-lime);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

.page-contact .ct-hero__title {
  margin: 20px 0 0;
  font-family: var(--font-head);
  font-size: var(--fs-1);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .015em;
  color: var(--c-paper);
  max-width: 15em;
}

.page-contact .ct-hero__desc {
  margin: 22px 0 0;
  max-width: 42em;
  font-size: var(--fs-5);
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--ct-text-dim);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .ct-hero__visual {
  margin: 0;
}

.page-contact .ct-hero__frame {
  margin: 0;
  border: 1px solid rgba(242, 239, 230, .22);
}

.page-contact .ct-hero__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  margin: 44px 0 0;
  padding: 26px 0 0;
  border-top: var(--ct-hair-dark);
}

@media (min-width: 720px) {
  .page-contact .ct-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 56px;
  }
}

.page-contact .ct-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--c-lime);
}

@media (min-width: 720px) {
  .page-contact .ct-hero__num {
    font-size: 34px;
  }
}

.page-contact .ct-hero__unit {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-7);
  line-height: 1.6;
  color: var(--ct-text-dim);
}

/* ---------- 区块头 ---------- */
.page-contact .ct-head {
  display: grid;
  gap: 16px;
  padding-bottom: 22px;
  margin-bottom: 40px;
  border-bottom: var(--ct-hair);
}

@media (min-width: 900px) {
  .page-contact .ct-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 40px;
    margin-bottom: 52px;
  }
}

.page-contact .ct-head__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: var(--fs-2);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--c-ink);
}

.page-contact .ct-head__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-stack);
  font-size: var(--fs-6);
  line-height: 1.75;
  color: var(--c-moss);
}

.page-contact .ct-head--dark {
  border-bottom-color: rgba(242, 239, 230, .2);
}

.page-contact .ct-head--dark .ct-head__title {
  color: var(--c-paper);
}

.page-contact .ct-head--dark .ct-head__note {
  border-left-color: rgba(242, 239, 230, .28);
  color: var(--ct-text-dim);
}

/* ---------- 合作方向：选择器 + 面板 ---------- */
.page-contact .ct-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 900px) {
  .page-contact .ct-tabs {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }
}

.page-contact .ct-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-list {
  display: flex;
  flex-direction: column;
  border-top: var(--ct-hair);
}

.page-contact .ct-list__item {
  --item-fg: var(--c-ink);
  --item-accent: var(--c-moss);
  position: relative;
  display: block;
  padding: 18px 18px 18px 40px;
  border-bottom: var(--ct-hair);
  cursor: pointer;
  background: transparent;
  transition: background-color .18s var(--ease), padding-left .18s var(--ease);
}

.page-contact .ct-list__item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--item-accent);
  background: transparent;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .ct-list__item:hover {
  background: rgba(217, 211, 196, .45);
}

.page-contact .ct-list__item .tag__en {
  color: var(--item-accent);
}

.page-contact .ct-list__item .tag__cn {
  color: var(--item-fg);
}

.page-contact .ct-list__hint {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-7);
  line-height: 1.6;
  color: var(--item-accent);
}

.page-contact .ct-tabs__radio:nth-of-type(1):checked ~ .ct-list > .ct-list__item:nth-child(1),
.page-contact .ct-tabs__radio:nth-of-type(2):checked ~ .ct-list > .ct-list__item:nth-child(2),
.page-contact .ct-tabs__radio:nth-of-type(3):checked ~ .ct-list > .ct-list__item:nth-child(3) {
  --item-fg: var(--c-paper);
  --item-accent: var(--c-lime);
  background: var(--c-night);
  border-bottom-color: var(--c-night);
}

.page-contact .ct-tabs__radio:nth-of-type(1):checked ~ .ct-list > .ct-list__item:nth-child(1)::before,
.page-contact .ct-tabs__radio:nth-of-type(2):checked ~ .ct-list > .ct-list__item:nth-child(2)::before,
.page-contact .ct-tabs__radio:nth-of-type(3):checked ~ .ct-list > .ct-list__item:nth-child(3)::before {
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-contact .ct-tabs__radio:focus-visible ~ .ct-list > .ct-list__item {
  outline: none;
}

.page-contact .ct-tabs__radio:nth-of-type(1):focus-visible ~ .ct-list > .ct-list__item:nth-child(1),
.page-contact .ct-tabs__radio:nth-of-type(2):focus-visible ~ .ct-list > .ct-list__item:nth-child(2),
.page-contact .ct-tabs__radio:nth-of-type(3):focus-visible ~ .ct-list > .ct-list__item:nth-child(3) {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

.page-contact .ct-panel {
  display: none;
}

.page-contact .ct-tabs__radio:nth-of-type(1):checked ~ .ct-panels > .ct-panel:nth-child(1),
.page-contact .ct-tabs__radio:nth-of-type(2):checked ~ .ct-panels > .ct-panel:nth-child(2),
.page-contact .ct-tabs__radio:nth-of-type(3):checked ~ .ct-panels > .ct-panel:nth-child(3) {
  display: block;
}

.page-contact .ct-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: var(--fs-3);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--c-ink);
}

.page-contact .ct-panel__text {
  margin: 0 0 24px;
  max-width: 42em;
  font-size: var(--fs-5);
  line-height: 1.8;
  color: var(--c-ink);
}

.page-contact .ct-panel__facts {
  margin: 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-panel__fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(20, 24, 28, .2);
}

@media (min-width: 620px) {
  .page-contact .ct-panel__fact {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

.page-contact .ct-panel__fact dt {
  font-family: var(--font-head);
  font-size: var(--fs-7);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-blue);
}

.page-contact .ct-panel__fact dd {
  margin: 0;
  font-size: var(--fs-6);
  line-height: 1.75;
  color: var(--c-ink);
}

.page-contact .ct-panel__link {
  display: inline-block;
  margin-top: 22px;
  font-size: var(--fs-6);
  font-weight: 600;
  color: var(--c-blue);
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-contact .ct-panel__link:hover {
  color: var(--c-flame);
}

.page-contact .ct-panel__link:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

.page-contact .ct-directions__figure {
  margin: 52px 0 0;
  border: var(--ct-hair);
}

@media (min-width: 900px) {
  .page-contact .ct-directions__figure {
    margin-top: 72px;
  }
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-flow {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  display: grid;
  gap: 0;
}

.page-contact .ct-flow__item {
  position: relative;
  padding: 0 0 34px 34px;
  border-left: 1px solid rgba(242, 239, 230, .24);
}

.page-contact .ct-flow__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .ct-flow__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px var(--c-pitch);
}

.page-contact .ct-flow__item--key::before {
  background: var(--c-flame);
}

.page-contact .ct-flow__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-7);
  letter-spacing: .14em;
  color: var(--c-lime);
}

.page-contact .ct-flow__item--key .ct-flow__idx {
  color: var(--c-flame);
}

.page-contact .ct-flow__title {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .02em;
  color: var(--c-paper);
}

.page-contact .ct-flow__text {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: var(--fs-5);
  line-height: 1.85;
  color: var(--ct-text-dim);
}

.page-contact .ct-flow__meta {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid rgba(200, 245, 60, .5);
  font-size: var(--fs-7);
  line-height: 1.7;
  color: var(--c-lime);
}

@media (min-width: 900px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 48px;
  }

  .page-contact .ct-flow__item {
    padding-bottom: 40px;
  }

  .page-contact .ct-flow__item:nth-child(3),
  .page-contact .ct-flow__item:nth-child(4) {
    border-left-color: rgba(242, 239, 230, .24);
  }

  .page-contact .ct-flow__item:nth-child(4) {
    border-left-color: transparent;
  }
}

/* ---------- 数据纠错 ---------- */
.page-contact .ct-corr__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .page-contact .ct-corr__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }
}

.page-contact .ct-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-6);
}

.page-contact .ct-table__cap {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-size: var(--fs-7);
  line-height: 1.7;
  color: var(--c-moss);
}

.page-contact .ct-table th,
.page-contact .ct-table td {
  border: var(--ct-hair);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-contact .ct-table th {
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .08em;
  font-size: var(--fs-7);
}

.page-contact .ct-table tbody tr:nth-child(even) {
  background: rgba(217, 211, 196, .45);
}

.page-contact .ct-corr__side {
  padding: 24px 22px;
  border: var(--ct-hair);
  border-top: 3px solid var(--c-flame);
  background: rgba(217, 211, 196, .28);
}

.page-contact .ct-corr__side-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--c-ink);
}

.page-contact .ct-corr__list {
  margin: 0;
  padding: 0;
}

.page-contact .ct-corr__list li {
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--c-ink);
}

.page-contact .ct-corr__foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(20, 24, 28, .22);
  font-size: var(--fs-7);
  line-height: 1.7;
  color: var(--c-moss);
}

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

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

.page-contact .ct-faq__q {
  position: relative;
  display: block;
  padding: 20px 48px 20px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .015em;
  color: var(--c-ink);
  transition: color .18s var(--ease);
}

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

.page-contact .ct-faq__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--c-moss);
}

.page-contact .ct-faq__item[open] .ct-faq__q {
  color: var(--c-blue);
}

.page-contact .ct-faq__item[open] .ct-faq__q::after {
  content: "\2212";
  color: var(--c-flame);
}

.page-contact .ct-faq__q:hover {
  color: var(--c-flame);
}

.page-contact .ct-faq__q:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

.page-contact .ct-faq__a {
  margin: 0 0 22px;
  max-width: 42em;
  font-size: var(--fs-5);
  line-height: 1.85;
  color: var(--c-ink);
}

/* ---------- 联系方式深色收束带 ---------- */
.page-contact .ct-channels {
  position: relative;
}

.page-contact .ct-channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 20px;
}

.page-contact .ct-channel {
  padding: 22px 20px 24px;
  background: var(--ct-panel-bg);
  border: var(--ct-hair-dark);
  border-top: 3px solid var(--c-lime);
}

.page-contact .ct-channel__label {
  display: block;
  font-family: var(--font-head);
  font-size: var(--fs-7);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.page-contact .ct-channel__value {
  display: block;
  margin: 12px 0 14px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: .005em;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--sm {
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .ct-channel__hint {
  display: block;
  font-size: var(--fs-7);
  line-height: 1.75;
  color: var(--ct-text-dim);
}

.page-contact .ct-hours {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 40px;
  border-top: var(--ct-hair-dark);
}

@media (min-width: 760px) {
  .page-contact .ct-hours {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-hours__item {
  padding: 22px 20px 22px 0;
  border-bottom: var(--ct-hair-dark);
}

@media (min-width: 760px) {
  .page-contact .ct-hours__item {
    border-bottom: none;
    border-right: var(--ct-hair-dark);
    padding-right: 24px;
  }

  .page-contact .ct-hours__item:last-child {
    border-right: none;
  }

  .page-contact .ct-hours__item + .ct-hours__item {
    padding-left: 24px;
  }
}

.page-contact .ct-hours__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--c-timer);
}

.page-contact .ct-hours__label {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-7);
  line-height: 1.7;
  color: var(--ct-text-dim);
}

.page-contact .ct-channels__note {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-flame);
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--ct-text-dim);
  max-width: 46em;
}

/* ---------- 图片与响应式兜底 ---------- */
.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-hero__frame .media-frame__img {
  aspect-ratio: 14 / 9;
}

.page-contact .ct-directions__figure .media-frame__img {
  aspect-ratio: 3 / 2;
}

@media (max-width: 480px) {
  .page-contact .ct-channel__value {
    font-size: 15px;
  }

  .page-contact .ct-hero__num {
    font-size: 26px;
  }

  .page-contact .ct-hours__num {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-list__item,
  .page-contact .ct-panel__link,
  .page-contact .ct-faq__q {
    transition: none;
  }
}