.page-contact {
  background: var(--ink);
  color: var(--bone-78);
  overflow-x: clip;
}

.page-contact .section {
  padding: 46px 0;
}

@media (min-width: 900px) {
  .page-contact .section {
    padding: 68px 0;
  }
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding: 32px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-contact .ct-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.65) contrast(1.06);
}

.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 15, 14, .62) 0%, rgba(11, 15, 14, .88) 58%, var(--ink) 100%),
    linear-gradient(90deg, rgba(11, 15, 14, .92) 0%, rgba(11, 15, 14, .32) 72%);
}

.page-contact .ct-hero__inner {
  position: relative;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--bone-46);
}

.page-contact .breadcrumb a {
  color: var(--bone-62);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-hot);
}

.page-contact .ct-hero__title {
  margin: 10px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.18;
  letter-spacing: .02em;
  color: var(--bone);
}

.page-contact .ct-hero__lead {
  margin-top: 18px;
  max-width: 64ch;
  color: var(--bone-62);
}

@media (min-width: 760px) {
  .page-contact .ct-hero {
    padding: 44px 0 64px;
  }

  .page-contact .ct-hero__title {
    font-size: 42px;
    line-height: 1.14;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__title {
    font-size: 48px;
  }
}

/* ---------- 区块小标题 ---------- */
.page-contact .ct-head {
  max-width: 720px;
  margin-bottom: 26px;
}

.page-contact .ct-head__sub {
  margin-top: 12px;
  color: var(--bone-62);
}

/* ---------- 三列沟通入口 ---------- */
.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 20px 22px;
  background: linear-gradient(158deg, var(--panel) 0%, #0c231e 100%);
  border-top: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .ct-channel--lead {
  border-top-color: var(--cyan);
  background: linear-gradient(158deg, #123630 0%, #0d2620 100%);
}

.page-contact .ct-channel__idx {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-channel__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: .03em;
  color: var(--bone);
}

.page-contact .ct-channel p {
  margin: 0;
}

.page-contact .ct-channel__note {
  margin-top: auto;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--stone);
}

.page-contact .ct-contact-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-contact-strip li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 12px;
  background: rgba(11, 15, 14, .44);
  border-left: 2px solid var(--line-hot);
}

.page-contact .ct-contact-strip__label {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-soft);
}

.page-contact .ct-contact-strip__value {
  flex: 1 1 170px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--bone);
  word-break: break-all;
}

.page-contact .ct-copy {
  flex: 0 0 auto;
}

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

.page-contact .ct-mini-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone-62);
}

.page-contact .ct-mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ct-inline-link {
  align-self: flex-start;
  margin-top: auto;
}

@media (min-width: 900px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-channel {
    padding: 28px 24px 24px;
  }
}

/* ---------- 处理节点 ---------- */
.page-contact .ct-flow__axis {
  display: none;
}

.page-contact .ct-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-flow__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-flow__num {
  grid-row: span 2;
  padding-top: 4px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-flow__step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .03em;
  color: var(--bone);
}

.page-contact .ct-flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--bone-62);
}

@media (min-width: 900px) {
  .page-contact .ct-flow__axis {
    display: block;
    width: 100%;
    height: 20px;
    margin-bottom: 22px;
  }

  .page-contact .ct-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 24px;
    border-top: 0;
  }

  .page-contact .ct-flow__step {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 18px 0 0;
    border-bottom: 0;
    border-top: 1px solid var(--line);
  }

  .page-contact .ct-flow__num {
    grid-row: auto;
    padding-top: 0;
  }
}

/* ---------- 反馈类型标签页 ---------- */
.page-contact .ct-tabs {
  margin-top: 4px;
}

.page-contact .ct-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-tabs__list .tab {
  appearance: none;
  padding: 9px 16px;
  border: 1px solid var(--line-mid);
  background: transparent;
  color: var(--bone-62);
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: .06em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .ct-tabs__list .tab:hover {
  color: var(--cyan-soft);
  border-color: var(--line-hot);
}

.page-contact .ct-tabs__list .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .ct-tabs__list .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .ct-tabpanel {
  padding: 24px 0 4px;
}

.page-contact .ct-tabpanel[hidden] {
  display: none;
}

.page-contact .ct-tabpanel h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--bone);
}

.page-contact .ct-tabpanel p {
  margin: 0 0 16px;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px 26px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone-78);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 11px;
  height: 1px;
  background: var(--cyan);
}

@media (min-width: 700px) {
  .page-contact .ct-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 媒体与社区合作 ---------- */
.page-contact .ct-partner__grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-partner__body p {
  margin: 0 0 20px;
}

.page-contact .ct-partner__list {
  margin: 0 0 24px;
  display: grid;
  gap: 0;
}

.page-contact .ct-partner__list > div {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-partner__list dt {
  margin-bottom: 6px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--cyan-soft);
}

.page-contact .ct-partner__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--bone-62);
}

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

.page-contact .ct-partner__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-top: 2px solid var(--cyan);
  filter: saturate(.75);
}

.page-contact .ct-partner__media figcaption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--stone);
}

@media (min-width: 960px) {
  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 信息核对 ---------- */
.page-contact .ct-info__grid {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-mid);
}

.page-contact .ct-info__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-info__row dt {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan-soft);
}

.page-contact .ct-info__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--bone);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-contact .ct-info__value {
  flex: 0 1 auto;
}

.page-contact .ct-info__row--addr dd {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone-78);
}

.page-contact .ct-info__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone-62);
}

.page-contact .ct-info__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-hot);
}

.page-contact .ct-info__note a:hover,
.page-contact .ct-info__note a:focus-visible {
  color: var(--cyan-soft);
}

@media (min-width: 760px) {
  .page-contact .ct-info__row {
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: center;
    gap: 24px;
  }
}

/* ---------- 来信前的提示 ---------- */
.page-contact .ct-tips__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-tips__list li {
  padding: 18px 18px 16px;
  background: rgba(15, 42, 36, .55);
  border-top: 1px solid var(--line-hot);
}

.page-contact .ct-tips__list h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--bone);
}

.page-contact .ct-tips__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bone-62);
}

.page-contact .ct-tips__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bone-62);
}

.page-contact .ct-tips__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-hot);
}

.page-contact .ct-tips__foot a:hover,
.page-contact .ct-tips__foot a:focus-visible {
  color: var(--cyan-soft);
}

@media (min-width: 860px) {
  .page-contact .ct-tips__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-tabs__list .tab,
  .page-contact .breadcrumb a {
    transition: none;
  }
}