.page-contact {
  background: var(--tq-coal);
  color: var(--tq-mist);
  --pc-rail-w: 208px;
}

.page-contact .pc-crumbbar {
  padding-top: 18px;
}

/* ---------- 首屏框景 ---------- */
.page-contact .pc-hero {
  padding-bottom: 8px;
}

.page-contact .pc-hero__frame {
  position: relative;
  margin-top: 18px;
  padding: 32px 20px 38px;
  border: 1px solid var(--tq-line-soft);
  border-top-color: var(--tq-line);
  background-image:
    repeating-linear-gradient(90deg, transparent 0 87px, rgba(138, 163, 155, .07) 87px 88px),
    linear-gradient(180deg, rgba(14, 42, 35, .55), rgba(10, 14, 13, 0) 78%);
}

.page-contact .pc-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--tq-sage) 0 1px, transparent 1px 22px);
  opacity: .45;
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  display: grid;
  gap: 30px;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-clock {
  border: 1px solid var(--tq-edge);
  background: rgba(23, 32, 30, .72);
  padding: 20px;
}

.page-contact .pc-clock__value {
  display: block;
  font-family: var(--tq-font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(32px, 8vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--tq-amber);
}

.page-contact .pc-clock__label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--tq-sage);
}

.page-contact .pc-clock__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--tq-line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--tq-sage);
}

/* ---------- 分诊台布局 ---------- */
.page-contact .pc-main {
  padding-top: 44px;
}

.page-contact .pc-rail {
  min-width: 0;
}

.page-contact .pc-rail__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--tq-sage);
}

.page-contact .pc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-top: 1px solid var(--tq-line-soft);
  border-bottom: 1px solid var(--tq-line-soft);
}

.page-contact .pc-rail__list::-webkit-scrollbar {
  display: none;
}

.page-contact .pc-rail__list > li {
  flex: 0 0 auto;
}

.page-contact .pc-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--tq-sage);
  text-decoration: none;
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: color .18s var(--tq-ease), background-color .18s var(--tq-ease), border-color .18s var(--tq-ease);
}

.page-contact .pc-rail__link:hover {
  color: var(--tq-mist);
}

.page-contact .pc-rail__link.is-active {
  color: var(--tq-cyan);
  border-left-color: var(--tq-cyan);
  background: var(--tq-cyan-soft);
}

.page-contact .pc-rail__no {
  font-family: var(--tq-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--tq-cyan);
  opacity: .85;
  flex: 0 0 auto;
}

.page-contact .pc-rail__foot {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--tq-sage);
  word-break: break-word;
}

.page-contact .pc-body {
  min-width: 0;
  padding-bottom: 56px;
}

/* ---------- 分段 ---------- */
.page-contact .pc-section {
  border-top: 1px solid var(--tq-line-soft);
  padding: 34px 0 40px;
  scroll-margin-top: calc(var(--tq-header-h) + 20px);
}

.page-contact .pc-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-contact .pc-section__no {
  flex: 0 0 auto;
  font-family: var(--tq-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--tq-cyan);
}

.page-contact .pc-section__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--tq-mist);
}

.page-contact .pc-body p {
  margin: 0 0 18px;
  max-width: 680px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--tq-mist);
}

.page-contact .pc-body p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-body p a {
  color: var(--tq-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--tq-edge);
  transition: border-color .18s var(--tq-ease);
}

.page-contact .pc-body p a:hover {
  border-bottom-color: var(--tq-cyan);
}

/* ---------- 提交规范清单 ---------- */
.page-contact .pc-check {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--tq-line-soft);
}

.page-contact .pc-check__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--tq-line-soft);
}

.page-contact .pc-check__box {
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--tq-sage);
  transition: border-color .18s var(--tq-ease), background-color .18s var(--tq-ease);
}

.page-contact .pc-check__item:hover .pc-check__box {
  border-color: var(--tq-cyan);
  background: var(--tq-cyan-soft);
}

.page-contact .pc-check__term {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--tq-mist);
}

.page-contact .pc-check__desc {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: var(--tq-sage);
}

/* ---------- 提示条 ---------- */
.page-contact .pc-note {
  margin: 0;
  max-width: 680px;
  padding: 14px 16px;
  border-left: 2px solid var(--tq-cyan);
  background: rgba(61, 242, 182, .06);
  font-size: 14px;
  line-height: 1.72;
  color: var(--tq-mist);
}

/* ---------- 联系卡片 ---------- */
.page-contact .pc-channel-grid {
  display: grid;
  gap: 24px;
}

.page-contact .pc-channel {
  border: 1px solid var(--tq-line);
  background: rgba(14, 42, 35, .5);
  padding: 4px 20px 20px;
}

.page-contact .pc-channel__row {
  padding: 18px 0;
  border-bottom: 1px solid var(--tq-line-soft);
}

.page-contact .pc-channel__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-channel__label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--tq-sage);
}

.page-contact .pc-channel__value {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--tq-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2.6vw, 21px);
  font-weight: 600;
  line-height: 1.48;
  color: var(--tq-mist);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid var(--tq-line);
  transition: color .18s var(--tq-ease), border-color .18s var(--tq-ease);
}

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

.page-contact .pc-channel__hint {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--tq-sage);
}

/* ---------- 图像 ---------- */
.page-contact .pc-figure {
  margin: 0;
  border: 1px solid var(--tq-line-soft);
  background: var(--tq-graphite);
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-figure__cap {
  padding: 12px 14px;
  border-top: 1px solid var(--tq-line-soft);
  font-size: 13px;
  line-height: 1.62;
  color: var(--tq-sage);
}

.page-contact .pc-figure--flow {
  margin-bottom: 26px;
}

/* ---------- 流程 ---------- */
.page-contact .pc-flowline {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 8px;
}

.page-contact .pc-flowline__dot--a { fill: var(--tq-sage); }
.page-contact .pc-flowline__dot--b { fill: var(--tq-cyan); }
.page-contact .pc-flowline__dot--c { fill: var(--tq-amber); }
.page-contact .pc-flowline__dot--d { fill: var(--tq-cyan); }

.page-contact .pc-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--tq-line-soft);
}

.page-contact .pc-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--tq-line-soft);
}

.page-contact .pc-steps__no {
  padding-top: 3px;
  font-family: var(--tq-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  color: var(--tq-amber);
}

.page-contact .pc-steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--tq-mist);
}

.page-contact .pc-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--tq-sage);
}

/* ---------- 相关页面 ---------- */
.page-contact .pc-links {
  display: grid;
  margin-top: 28px;
  border-top: 1px solid var(--tq-line-soft);
}

.page-contact .pc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--tq-line-soft);
  font-size: 15px;
  line-height: 1.55;
  color: var(--tq-mist);
  text-decoration: none;
  transition: color .18s var(--tq-ease), padding-left .18s var(--tq-ease), border-color .18s var(--tq-ease);
}

.page-contact .pc-link::after {
  content: "→";
  font-family: var(--tq-font-mono);
  color: var(--tq-cyan);
  flex: 0 0 auto;
}

.page-contact .pc-link:hover {
  color: var(--tq-cyan);
  padding-left: 12px;
  border-bottom-color: var(--tq-cyan);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__frame {
    padding: 52px 40px 56px;
  }

  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 48px;
    align-items: end;
  }

  .page-contact .pc-main {
    display: grid;
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    align-items: start;
    padding-top: 56px;
  }

  .page-contact .pc-rail {
    padding-right: 20px;
    border-right: 1px solid var(--tq-line-soft);
  }

  .page-contact .pc-rail__sticky {
    position: sticky;
    top: calc(var(--tq-header-h) + 26px);
  }

  .page-contact .pc-rail__list {
    display: block;
    overflow: visible;
    border-top: 1px solid var(--tq-line-soft);
    border-bottom: 0;
  }

  .page-contact .pc-rail__list > li {
    display: block;
  }

  .page-contact .pc-rail__link {
    padding: 13px 12px 13px 14px;
    white-space: normal;
    border-bottom: 1px solid var(--tq-line-soft);
  }

  .page-contact .pc-body {
    padding-left: 36px;
    padding-bottom: 80px;
  }

  .page-contact .pc-section {
    padding: 42px 0 50px;
  }

  .page-contact .pc-channel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-contact .pc-steps__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 20px 0 0;
    border-bottom: 0;
  }

  .page-contact .pc-figure--flow {
    margin-bottom: 30px;
  }
}

@media (min-width: 1160px) {
  .page-contact .pc-body {
    padding-left: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
  }
}