/* ===== 页面作用域：联系我们 / contact ===== */
.page-contact {
  --pc-felt: var(--felt-800);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-contact .breadcrumb {
  margin-top: clamp(18px, 4vw, 34px);
}

/* ---- 标题区 ---- */
.page-contact .pc-head {
  padding-top: clamp(24px, 5vw, 52px);
  padding-bottom: clamp(26px, 5vw, 50px);
  border-bottom: var(--rule);
}

.page-contact .pc-head h1 {
  margin: 12px 0 0;
  font-size: clamp(34px, 6.2vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-contact .pc-head__lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.9;
  color: var(--paper-soft);
}

.page-contact .pc-head__note {
  margin: 16px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-500);
}

/* ---- 吸顶锚点目录 ---- */
.page-contact .pc-index {
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--ink-950);
  border-bottom: var(--rule);
}

.page-contact .pc-index__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-contact .pc-index__label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-contact .pc-index__list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid transparent;
  font-size: 13px;
  line-height: 1.4;
  color: var(--paper-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 120ms ease-out, color 120ms ease-out;
}

.page-contact .pc-index__list a:hover,
.page-contact .pc-index__list a:focus-visible {
  border-color: var(--gold-500);
  color: var(--paper-100);
}

.page-contact .pc-index__list .mono {
  font-size: 11px;
  color: var(--mist-400);
}

/* ---- 章节骨架 ---- */
.page-contact .pc-sec {
  padding-top: clamp(44px, 7vw, 86px);
}

.page-contact .pc-sec__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2.6vw, 30px);
}

.page-contact .pc-num {
  flex: none;
  font-family: var(--mono);
  font-size: clamp(56px, 12vw, 124px);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: rgba(240, 220, 168, 0.14);
  user-select: none;
}

.page-contact h2 {
  margin: 6px 0 0;
  font-size: clamp(21px, 3.1vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .pc-lead {
  max-width: 64ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper-soft);
}

.page-contact .pc-lead strong {
  color: var(--paper-100);
  font-weight: 700;
}

.page-contact .pc-lead--tight {
  margin-top: 22px;
}

/* ---- 通道分派表 ---- */
.page-contact .pc-channels {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule);
}

.page-contact .pc-row {
  position: relative;
  border-bottom: var(--rule);
}

.page-contact .pc-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink-900);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease-out;
  pointer-events: none;
}

.page-contact .pc-row:hover::before,
.page-contact .pc-row:focus-within::before {
  transform: scaleX(1);
}

.page-contact .pc-row__grid {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 22px 0;
}

.page-contact .pc-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .pc-row__code {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-contact .pc-row__title {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.4;
}

.page-contact .pc-row__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-contact .pc-row__needs {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-row__needs li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-contact .pc-row__needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--gold-500);
}

.page-contact .pc-row__chan {
  margin: 16px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--gold-500);
  word-break: break-word;
}

/* ---- 值班与响应 ---- */
.page-contact .pc-duty {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-contact .pc-duty__text .pc-lead {
  margin-top: 0;
}

.page-contact .pc-duty__text .pc-lead + .pc-lead {
  margin-top: 16px;
}

.page-contact .pc-scale {
  padding: clamp(20px, 3.6vw, 34px);
  background: var(--pc-felt);
  border: var(--rule);
}

.page-contact .pc-scale__cap {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-contact .pc-scale__rail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .pc-scale__tick {
  flex: none;
  padding: 4px 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper-100);
}

.page-contact .pc-scale__tick:focus-visible {
  outline: 1px solid var(--gold-500);
  outline-offset: 4px;
}

.page-contact .pc-scale__bar {
  flex: 1 1 auto;
  min-width: 40px;
  height: 14px;
  background: var(--gold-500);
  border: 1px solid rgba(240, 220, 168, 0.35);
}

.page-contact .pc-scale__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* ---- 图片 ---- */
.page-contact .pc-photo {
  margin: 32px 0 0;
  padding: 0;
  border: var(--rule);
  background: var(--pc-felt);
}

.page-contact .pc-photo img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .pc-photo__cap {
  padding: 12px 16px;
  border-top: var(--rule);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .pc-photo--wide {
  margin-top: clamp(48px, 8vw, 96px);
  border-left: 0;
  border-right: 0;
}

.page-contact .pc-photo--wide img {
  aspect-ratio: 14 / 9;
}

.page-contact .pc-photo--wide .pc-photo__cap {
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ---- 联系信息表 ---- */
.page-contact .pc-facts {
  margin-top: 30px;
  border-top: var(--rule);
}

.page-contact .pc-fact {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: var(--rule);
}

.page-contact .pc-fact__k {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-contact .pc-fact__v {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  font-variant-numeric: tabular-nums;
  color: var(--paper-100);
  word-break: break-word;
}

.page-contact .pc-copy {
  justify-self: start;
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
  background: transparent;
  border: 1px solid var(--line-700);
  cursor: pointer;
  transition: border-color 120ms ease-out, color 120ms ease-out;
}

.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-200);
}

.page-contact .pc-copy--big {
  padding: 11px 20px;
  font-size: 13px;
}

.page-contact .pc-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 20px 0 0;
}

.page-contact .pc-copy-row__hint {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
  word-break: break-all;
}

/* ---- 要点清单与边界清单 ---- */
.page-contact .pc-list {
  display: grid;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule);
}

.page-contact .pc-list li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: var(--rule);
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-contact .pc-list__k {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--gold-500);
}

.page-contact .pc-list--warn .pc-list__k {
  color: var(--cinnabar-500);
}

/* ---- 响应式 ---- */
@media (min-width: 720px) {
  .page-contact .pc-fact {
    grid-template-columns: minmax(110px, 170px) minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
  }

  .page-contact .pc-copy {
    justify-self: end;
  }

  .page-contact .pc-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .pc-list__k {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-row__grid {
    grid-template-columns: minmax(180px, 1fr) minmax(0, 2fr);
    gap: clamp(24px, 4vw, 56px);
    padding: 28px 0;
    align-items: start;
  }

  .page-contact .pc-row__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

  .page-contact .pc-row__body {
    padding-left: clamp(22px, 3vw, 46px);
    border-left: var(--rule);
  }

  .page-contact .pc-row__desc {
    margin-top: 0;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-duty {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-photo:not(.pc-photo--wide) {
    max-width: 900px;
  }
}
</>