.page-contact {
  --pc-pad: 1.25rem;
  --pc-track: 2px dashed var(--blue-line);
  padding-bottom: 4rem;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
}

.page-contact .breadcrumbs {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--tin);
}

/* 页首 */
.page-contact .pc-head {
  display: grid;
  gap: 1.75rem;
  margin: 1.75rem 0 3rem;
}

.page-contact .pc-head__index {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-contact .pc-head__index::before {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--amber);
}

.page-contact .pc-head__title {
  margin: 0.9rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .pc-head__lead {
  margin: 1.1rem 0 0;
  max-width: 48ch;
  color: var(--tin);
  font-size: 1rem;
}

.page-contact .pc-head__aside {
  border-top: 3px solid var(--amber);
  padding-top: 1rem;
}

.page-contact .pc-head__facts {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.page-contact .pc-head__facts > div {
  display: grid;
  gap: 0.15rem;
}

.page-contact .pc-head__facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--tin);
}

.page-contact .pc-head__facts dd {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
}

/* 区块通用 */
.page-contact .pc-section {
  margin: 0 0 3.25rem;
}

.page-contact .pc-section__head {
  max-width: 62ch;
  margin-bottom: 1.5rem;
}

.page-contact .pc-section__kicker {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-contact .pc-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.6vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-contact .pc-section__note {
  margin: 0.7rem 0 0;
  color: var(--tin);
  font-size: 0.93rem;
}

/* 分流卡 */
.page-contact .pc-triage {
  display: grid;
  gap: 1.5rem;
}

.page-contact .pc-triage__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.85rem 1.3rem 1.3rem;
  background: var(--ink-panel);
  border: 2px solid var(--blue-line);
  color: var(--paper);
  text-decoration: none;
  box-shadow: var(--shadow-hard-sm);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease),
    border-color 160ms var(--ease);
}

.page-contact .pc-triage__card:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 10px 0 0 #050f19;
}

.page-contact .pc-triage__card:focus-visible {
  outline: 2px solid var(--amber-bright);
  outline-offset: 3px;
  transform: translateY(-4px);
}

.page-contact .pc-triage__bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
}

.page-contact .pc-triage__card--amber .pc-triage__bar {
  background: var(--amber);
}

.page-contact .pc-triage__card--cinnabar .pc-triage__bar {
  background: var(--cinnabar-light);
}

.page-contact .pc-triage__card--tin .pc-triage__bar {
  background: var(--tin);
}

.page-contact .pc-triage__code {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--tin);
}

.page-contact .pc-triage__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  line-height: 1.2;
}

.page-contact .pc-triage__text {
  margin: 0;
  color: var(--tin);
  font-size: 0.9rem;
}

.page-contact .pc-triage__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
  font-size: 0.87rem;
}

.page-contact .pc-triage__list li {
  position: relative;
  padding-left: 1rem;
}

.page-contact .pc-triage__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--amber);
}

.page-contact .pc-triage__card--cinnabar .pc-triage__list li::before {
  background: var(--cinnabar-light);
}

.page-contact .pc-triage__card--tin .pc-triage__list li::before {
  background: var(--tin);
}

.page-contact .pc-triage__more {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--amber);
}

/* 联系方式纸卡 */
.page-contact .pc-sheet {
  display: grid;
  gap: 1.75rem;
  padding: 1.65rem var(--pc-pad);
  background: var(--paper);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-sheet__kicker {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cinnabar);
}

.page-contact .pc-sheet__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .pc-sheet__lead {
  margin: 0.75rem 0 1.35rem;
  font-size: 0.94rem;
  color: var(--ink);
  opacity: 0.74;
}

.page-contact .pc-sheet__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-sheet__list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-top: 1px dashed var(--paper-edge);
}

.page-contact .pc-sheet__list li:first-child {
  border-top: 2px solid var(--ink);
}

.page-contact .pc-sheet__key {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--cinnabar);
}

.page-contact .pc-sheet__val {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact a.pc-sheet__val:hover,
.page-contact a.pc-sheet__val:focus-visible {
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-sheet__hint {
  font-size: 0.82rem;
  color: var(--ink);
  opacity: 0.62;
}

.page-contact .pc-sheet__figure {
  margin: 0;
}

.page-contact .pc-sheet__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 3px solid var(--ink);
  background: var(--paper-edge);
}

.page-contact .pc-sheet__figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  color: var(--ink);
  opacity: 0.62;
}

/* 处理流程 */
.page-contact .pc-section--panel {
  background: var(--ink-panel);
  border: 2px solid var(--blue-line);
  padding: 1.75rem var(--pc-pad) 0;
}

.page-contact .pc-flow {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 2.25rem;
  display: grid;
  gap: 1.6rem;
}

.page-contact .pc-flow::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  border-left: var(--pc-track);
}

.page-contact .pc-flow__step {
  position: relative;
}

.page-contact .pc-flow__num {
  position: absolute;
  left: -2.25rem;
  top: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--amber);
  color: var(--ink);
  font-size: 0.74rem;
  font-weight: 700;
}

.page-contact .pc-flow__step h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.3;
}

.page-contact .pc-flow__step p {
  margin: 0;
  color: var(--tin);
  font-size: 0.89rem;
}

.page-contact .pc-flow__sla {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .pc-flow__sla li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  background: var(--ink);
  border-left: 3px solid var(--amber);
  font-size: 0.85rem;
  color: var(--tin);
}

.page-contact .pc-flow__sla .mono {
  color: var(--amber-bright);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
}

.page-contact .pc-flow__figure {
  margin: 2rem calc(-1 * var(--pc-pad)) 0;
}

.page-contact .pc-flow__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink);
}

/* 写法模板 */
.page-contact .pc-snippet {
  margin: 0 0 1.75rem;
  padding: 1.2rem 1.1rem;
  background: var(--ink);
  border: 1px solid var(--blue-line);
  border-left: 3px solid var(--amber);
  color: var(--paper);
  font-size: 0.82rem;
  line-height: 1.95;
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-contact .pc-write {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-write__item {
  padding: 1.25rem 1.1rem;
  background: var(--ink-panel);
  border: 2px solid var(--blue-line);
  border-top: 4px solid var(--blue-line);
  scroll-margin-top: 1.5rem;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .pc-write__item:target {
  border-color: var(--amber);
  border-top-color: var(--amber);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .pc-write__item h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.3;
}

.page-contact .pc-write__item dl {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .pc-write__item dt {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .pc-write__item dd {
  margin: 0;
  font-size: 0.86rem;
  color: var(--tin);
}

/* 常见错误 */
.page-contact .pc-mistakes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-mistakes__row {
  display: grid;
  gap: 0.55rem;
  padding: 1rem 0;
  border-top: 1px solid var(--blue-line);
}

.page-contact .pc-mistakes__row:last-child {
  border-bottom: 1px solid var(--blue-line);
}

.page-contact .pc-mistakes__bad,
.page-contact .pc-mistakes__good {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0;
  font-size: 0.89rem;
}

.page-contact .pc-mistakes__bad {
  color: var(--tin);
}

.page-contact .pc-mistakes__good {
  color: var(--paper);
}

.page-contact .pc-mistakes .tag {
  flex: 0 0 auto;
}

/* 收尾 */
.page-contact .pc-next {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
  padding: 1.6rem var(--pc-pad);
  background: var(--ink-panel);
  border: 2px solid var(--blue-line);
  border-top: 4px solid var(--cinnabar);
}

.page-contact .pc-next__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--cinnabar-light);
}

.page-contact .pc-next__title {
  margin: 0.45rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  line-height: 1.25;
}

.page-contact .pc-next__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

@media (min-width: 760px) {
  .page-contact .pc-triage {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-contact .pc-mistakes__row {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .page-contact .pc-next {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 2rem;
    padding: 2rem 2.25rem;
  }
}

@media (min-width: 780px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 2.75rem 0 0;
  }

  .page-contact .pc-flow::before {
    left: 0;
    right: 0;
    top: calc(2.75rem + 12px);
    bottom: auto;
    border-left: 0;
    border-top: var(--pc-track);
  }

  .page-contact .pc-flow__num {
    position: static;
    margin-bottom: 0.85rem;
  }

  .page-contact .pc-flow__sla {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 860px) {
  .page-contact {
    --pc-pad: 2.25rem;
  }

  .page-contact .pc-head {
    grid-template-columns: 7fr 4fr;
    column-gap: 3rem;
    align-items: end;
    margin-bottom: 3.5rem;
  }

  .page-contact .pc-sheet {
    grid-template-columns: 7fr 4fr;
    gap: 2.25rem;
    align-items: start;
  }

  .page-contact .pc-section--panel {
    padding: 2.5rem 2.5rem 0;
  }

  .page-contact .pc-flow__figure {
    margin-left: -2.5rem;
    margin-right: -2.5rem;
  }

  .page-contact .pc-write {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}