.page-contact {
  --ct-block: clamp(56px, 8vw, 104px);
  display: block;
  background:
    linear-gradient(180deg, rgba(41, 231, 220, .05) 0, rgba(41, 231, 220, 0) 340px),
    var(--c-bg);
  color: var(--c-text);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb-wrap {
  padding-top: 24px;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-mute);
}

.page-contact .breadcrumb__link {
  color: var(--c-dim);
  text-decoration: none;
  transition: color var(--dur) ease;
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--c-cyan);
}

.page-contact .breadcrumb__sep {
  color: var(--c-line);
}

.page-contact .breadcrumb__now {
  color: var(--c-cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 44px 0 var(--ct-block);
}

.page-contact .ct-hero__kicker {
  color: var(--c-orange);
  margin: 0 0 20px;
}

.page-contact .ct-hero__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(34px, 6.8vw, 78px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 26px;
  max-width: 15ch;
}

.page-contact .ct-hero__lede {
  max-width: 620px;
  border-left: 2px solid var(--c-line);
  padding-left: 20px;
}

.page-contact .ct-hero__lede p {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-dim);
}

/* ---------- 章节标题行 ---------- */
.page-contact .section-head {
  margin-bottom: 28px;
}

.page-contact .section-head__note {
  color: var(--c-mute);
}

/* ---------- 两条通道 ---------- */
.page-contact .ct-channels {
  padding-bottom: var(--ct-block);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .ct-channel {
  padding: 30px 0 34px;
  border-top: 1px solid var(--c-line);
  min-width: 0;
}

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

.page-contact .ct-channel__idx {
  color: var(--c-mute);
  margin: 0 0 14px;
}

.page-contact .ct-channel__name {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -.01em;
  margin: 0 0 12px;
}

.page-contact .ct-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 21px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--c-cyan);
  margin: 0 0 16px;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--phone .ct-channel__value {
  color: var(--c-orange);
}

.page-contact .ct-channel__desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-dim);
  max-width: 36ch;
}

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

.page-contact .ct-channel__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mute);
}

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

.page-contact .ct-channel--phone .ct-channel__points li::before {
  background: var(--c-orange);
  opacity: .6;
}

/* ---------- 值班与响应 ---------- */
.page-contact .ct-duty {
  padding-bottom: var(--ct-block);
}

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

.page-contact .ct-duty__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  letter-spacing: -.02em;
  line-height: 1.16;
  margin: 0 0 20px;
}

.page-contact .ct-duty__text p a,
.page-contact .ct-prep__foot a,
.page-contact .ct-roles__foot a,
.page-contact .ct-site-info__main p a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-cyan-dim);
  transition: border-color var(--dur) ease, color var(--dur) ease;
}

.page-contact .ct-duty__text p a:hover,
.page-contact .ct-prep__foot a:hover,
.page-contact .ct-roles__foot a:hover,
.page-contact .ct-site-info__main p a:hover {
  border-bottom-color: var(--c-orange);
  color: var(--c-orange);
}

.page-contact .ct-duty__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  background:
    repeating-linear-gradient(0deg, rgba(28, 42, 61, .55) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(28, 42, 61, .55) 0 1px, transparent 1px 32px),
    var(--c-panel);
  overflow: hidden;
}

.page-contact .ct-duty__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .ct-duty__figure .media-frame__tag {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  color: var(--c-mute);
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  padding-bottom: var(--ct-block);
}

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

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 16px;
  padding: 20px 12px 20px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background-color var(--dur) ease, padding-left var(--dur) ease;
}

.page-contact .ct-prep__item:first-child {
  border-top: 1px solid var(--c-line);
}

.page-contact .ct-prep__item:hover {
  background: rgba(41, 231, 220, .045);
  padding-left: 10px;
}

.page-contact .ct-prep__box {
  display: block;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 1px solid var(--c-line);
  position: relative;
  transition: border-color var(--dur) ease;
}

.page-contact .ct-prep__item:hover .ct-prep__box {
  border-color: var(--c-cyan);
}

.page-contact .ct-prep__item:hover .ct-prep__box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--c-cyan);
  opacity: .75;
}

.page-contact .ct-prep__body {
  display: block;
  min-width: 0;
}

.page-contact .ct-prep__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--c-cyan);
  margin-bottom: 6px;
}

.page-contact .ct-prep__txt {
  display: block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-dim);
  max-width: 62ch;
}

.page-contact .ct-prep__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 68ch;
}

/* ---------- 团队分工 ---------- */
.page-contact .ct-roles {
  padding-bottom: var(--ct-block);
}

.page-contact .ct-roles__bars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-contact .ct-role {
  background: var(--c-panel);
  border-top: 3px solid var(--c-line);
  padding: 22px 20px 26px;
  min-width: 0;
  transition: background-color var(--dur) ease, transform var(--dur) ease;
}

.page-contact .ct-role--edit {
  border-top-color: var(--c-cyan);
}

.page-contact .ct-role--eng {
  border-top-color: var(--c-orange);
}

.page-contact .ct-role--support {
  border-top-color: var(--c-magenta);
}

.page-contact .ct-role:hover,
.page-contact .ct-role:focus-visible {
  background: #101B29;
  transform: translateY(-2px);
}

.page-contact .ct-role__num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  margin: 0 0 10px;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-role__name {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}

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

.page-contact .ct-roles__foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 68ch;
}

/* ---------- 资料协作 ---------- */
.page-contact .ct-partner {
  padding-bottom: var(--ct-block);
}

.page-contact .ct-partner__panel {
  border-left: 2px solid var(--c-orange);
  padding: 4px 0 4px 20px;
}

.page-contact .ct-partner__label {
  color: var(--c-orange);
  margin: 0 0 14px;
}

.page-contact .ct-partner__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.24;
  letter-spacing: -.02em;
  margin: 0 0 18px;
  max-width: 24ch;
}

.page-contact .ct-partner__body p {
  color: var(--c-dim);
}

/* ---------- 地址与站点信息 ---------- */
.page-contact .ct-site-info {
  padding-bottom: var(--ct-block);
}

.page-contact .ct-site-info__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  border-top: 1px solid var(--c-line);
  padding-top: 32px;
}

.page-contact .ct-site-info__main {
  min-width: 0;
}

.page-contact .ct-site-info__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  letter-spacing: -.02em;
  line-height: 1.18;
  margin: 0 0 18px;
}

.page-contact .ct-meta {
  margin: 26px 0 18px;
  border-top: 1px solid var(--c-line);
}

.page-contact .ct-meta__row {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
}

.page-contact .ct-meta__key {
  color: var(--c-mute);
  letter-spacing: .1em;
}

.page-contact .ct-meta__val {
  margin: 0;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-contact .ct-meta__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 60ch;
}

.page-contact .ct-site-info__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  background:
    repeating-linear-gradient(0deg, rgba(28, 42, 61, .55) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(28, 42, 61, .55) 0 1px, transparent 1px 28px),
    var(--c-panel);
  overflow: hidden;
}

.page-contact .ct-site-info__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 相关入口 ---------- */
.page-contact .ct-next {
  padding-bottom: calc(var(--ct-block) * .8);
}

.page-contact .ct-next__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 28px);
  letter-spacing: -.01em;
  margin: 0 0 20px;
}

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

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

.page-contact .ct-next__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  font-size: 15px;
  color: var(--c-text);
  text-decoration: none;
  transition: color var(--dur) ease, padding-left var(--dur) ease;
}

.page-contact .ct-next__list a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--c-mute);
  transition: color var(--dur) ease, transform var(--dur) ease;
}

.page-contact .ct-next__list a:hover,
.page-contact .ct-next__list a:focus-visible {
  color: var(--c-cyan);
  padding-left: 10px;
}

.page-contact .ct-next__list a:hover::after,
.page-contact .ct-next__list a:focus-visible::after {
  color: var(--c-orange);
  transform: translateX(4px);
}

/* ---------- 焦点样式 ---------- */
.page-contact a:focus-visible,
.page-contact .ct-role:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 渐显 ---------- */
.page-contact [data-reveal].is-hidden {
  opacity: 0;
  transform: translateY(14px);
}

.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .5s ease, transform .5s ease;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-roles__bars {
    grid-template-columns: 11fr 9fr 6fr;
  }

  .page-contact .ct-prep__item {
    grid-template-columns: 18px 1fr;
    gap: 22px;
    padding: 24px 16px 24px 0;
  }

  .page-contact .ct-party__panel {
    padding-left: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .ct-channel {
    padding: 38px 48px 46px 0;
  }

  .page-contact .ct-channel--phone {
    padding-left: 48px;
    border-left: 1px solid var(--c-cyan);
  }

  .page-contact .ct-partner__panel {
    padding-left: 40px;
  }
}

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

  .page-contact .ct-site-info__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-contact .ct-meta__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .ct-next__list a {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal].is-hidden,
  .page-contact [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-contact .ct-role:hover,
  .page-contact .ct-role:focus-visible {
    transform: none;
  }
}