.page-contact {
  --pc-line: 1px solid var(--grid-line);
  --pc-panel: rgba(12, 34, 51, 0.72);
  position: relative;
  overflow-x: clip;
  background:
    linear-gradient(180deg, rgba(12, 34, 51, 0.6) 0%, rgba(6, 20, 32, 0) 32%),
    var(--deep-abyss);
  color: var(--chalk-white);
  font-family: var(--font-body);
  font-size: var(--fz-base);
  line-height: 1.8;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--chalk-white);
}

.page-contact p {
  margin: 0;
}

.page-contact .breadcrumb {
  font-size: var(--fz-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-mute);
}

.page-contact .breadcrumb a {
  color: var(--slate-mute);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--neon-cyan);
}

.page-contact .breadcrumb__sep {
  margin: 0 8px;
  color: var(--aqua-dim);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(46px, 6vw, 84px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(27, 58, 82, 0.6) 0 1px, transparent 1px 86px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 86%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 86%);
  pointer-events: none;
}

.page-contact .pc-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 4vw, 40px);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 6.4vw, 58px);
  font-weight: 500;
  line-height: 1.14;
  max-width: 20em;
}

.page-contact .pc-hero__lede {
  margin-top: 20px;
  max-width: 62ch;
  font-size: var(--fz-base);
  color: var(--slate-mute);
}

.page-contact .pc-hours {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  width: fit-content;
  max-width: 100%;
  margin-top: 26px;
  padding: 11px 20px;
  border: var(--pc-line);
  border-radius: var(--r-pill);
  background: rgba(18, 57, 90, 0.38);
}

.page-contact .pc-hours__label {
  color: var(--aqua-dim);
}

.page-contact .pc-hours__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fz-sm);
  letter-spacing: 0.06em;
  color: var(--neon-cyan);
}

.page-contact .pc-hours__note {
  font-size: var(--fz-xs);
  color: var(--slate-mute);
}

.page-contact .pc-hero__figure {
  margin: 0;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--grid-line);
  box-shadow: inset 0 0 0 1px rgba(63, 224, 208, 0.16);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-contact .pc-hero__figure figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: rgba(6, 20, 32, 0.82);
  color: var(--slate-mute);
  font-size: 10px;
}

/* ---------- 三条渠道 ---------- */
.page-contact .pc-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px 26px;
  border: var(--pc-line);
  border-radius: var(--r-card);
  background: linear-gradient(170deg, rgba(12, 34, 51, 0.95), rgba(6, 20, 32, 0.86));
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .pc-channel:hover {
  border-color: var(--aqua-dim);
}

.page-contact .pc-channel__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 4px;
  border-radius: 50%;
  border: 1px solid var(--grid-line);
  color: var(--neon-cyan);
  background: rgba(30, 140, 134, 0.12);
}

.page-contact .pc-channel__label {
  color: var(--slate-mute);
}

.page-contact .pc-channel__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--chalk-white);
  word-break: break-word;
}

.page-contact .pc-channel__value--addr {
  font-family: var(--font-body);
  font-size: var(--fz-base);
  font-weight: 500;
  line-height: 1.6;
}

.page-contact .pc-channel__desc {
  font-size: var(--fz-sm);
  color: var(--slate-mute);
}

.page-contact .pc-channel .tag {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  padding: clamp(46px, 7vw, 92px) 0;
}

.page-contact .pc-section--tight {
  padding: clamp(36px, 5vw, 68px) 0;
}

.page-contact .pc-sec-head {
  max-width: 64ch;
}

.page-contact .pc-sec-head h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.6vw, var(--fz-3xl));
  font-weight: 500;
  line-height: 1.22;
}

.page-contact .pc-sec-head__lede {
  margin-top: 14px;
  font-size: var(--fz-base);
  color: var(--slate-mute);
}

.page-contact .pc-sec-head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  max-width: none;
}

.page-contact .pc-sec-head--stack .pc-route__link {
  display: inline-block;
  margin-top: 16px;
}

/* ---------- 三类分流 ---------- */
.page-contact .pc-routes {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: var(--pc-line);
}

.page-contact .pc-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .pc-route__no {
  font-size: var(--fz-lg);
  font-weight: 700;
  color: var(--aqua-dim);
  transition: color 0.3s var(--ease);
}

.page-contact .pc-route:hover .pc-route__no {
  color: var(--lava-orange);
}

.page-contact .pc-route__body h3 {
  margin: 0 0 8px;
  font-size: var(--fz-md);
  font-weight: 500;
  line-height: 1.4;
}

.page-contact .pc-route__body p {
  font-size: var(--fz-sm);
  color: var(--slate-mute);
}

.page-contact .pc-route__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  font-size: var(--fz-sm);
}

.page-contact .pc-route__channel {
  color: var(--chalk-white);
}

.page-contact .pc-route__link {
  color: var(--neon-cyan);
  text-decoration: none;
  font-size: var(--fz-sm);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .pc-route__link:hover,
.page-contact .pc-route__link:focus-visible {
  color: var(--ember-glow);
  border-bottom-color: var(--ember-glow);
}

/* ---------- 提交清单 ---------- */
.page-contact .pc-checklist {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .pc-check {
  padding: 20px 20px 22px;
  border: var(--pc-line);
  border-radius: var(--r-card);
  background: var(--pc-panel);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .pc-check:hover {
  border-color: var(--aqua-dim);
  background: rgba(18, 57, 90, 0.5);
}

.page-contact .pc-check__no {
  display: block;
  margin-bottom: 10px;
  font-size: var(--fz-sm);
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
}

.page-contact .pc-check h3 {
  margin: 0 0 6px;
  font-size: var(--fz-base);
  font-weight: 500;
}

.page-contact .pc-check p {
  font-size: var(--fz-sm);
  color: var(--slate-mute);
}

/* ---------- 常见问题 ---------- */
.page-contact .pc-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
}

.page-contact .pc-faq {
  border-top: var(--pc-line);
}

.page-contact .pc-faq__item {
  border-bottom: var(--pc-line);
}

.page-contact .pc-faq__item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .pc-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-faq__sign {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fz-md);
  line-height: 1;
  color: var(--neon-cyan);
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .pc-faq__item[open] .pc-faq__sign {
  transform: rotate(45deg);
  color: var(--lava-orange);
}

.page-contact .pc-faq__q {
  flex: 1 1 auto;
  font-size: var(--fz-base);
  font-weight: 500;
  color: var(--chalk-white);
}

.page-contact .pc-faq__item summary:hover .pc-faq__q {
  color: var(--neon-cyan);
}

.page-contact .pc-faq__a {
  padding: 0 0 20px 34px;
}

.page-contact .pc-faq__a p {
  font-size: var(--fz-sm);
  color: var(--slate-mute);
  max-width: 66ch;
}

/* ---------- 本地支持 ---------- */
.page-contact .pc-local {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-contact .pc-local__text p {
  font-size: var(--fz-sm);
  color: var(--slate-mute);
  max-width: 60ch;
}

.page-contact .pc-local__text p + p {
  margin-top: 14px;
}

.page-contact .pc-local__points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: var(--pc-line);
}

.page-contact .pc-local__points li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 12px 0;
  border-bottom: var(--pc-line);
  font-size: var(--fz-sm);
  color: var(--chalk-white);
}

.page-contact .pc-local__points .coord {
  flex: 0 0 42px;
  color: var(--aqua-dim);
}

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

.page-contact .pc-local__figure .media-frame {
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--grid-line);
}

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

.page-contact .pc-local__figure figcaption {
  margin-top: 10px;
  color: var(--slate-mute);
  font-size: 10px;
}

/* ---------- 收尾 ---------- */
.page-contact .pc-close {
  padding: clamp(26px, 4vw, 56px);
  border: 1px solid var(--grid-line);
  border-radius: calc(var(--r-lg) + 10px);
  background-image:
    repeating-linear-gradient(0deg, rgba(27, 58, 82, 0.55) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(27, 58, 82, 0.55) 0 1px, transparent 1px 30px),
    linear-gradient(160deg, rgba(18, 57, 90, 0.55), rgba(6, 20, 32, 0.92));
}

.page-contact .pc-close h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.6vw, var(--fz-3xl));
  font-weight: 500;
  line-height: 1.22;
  max-width: 24em;
}

.page-contact .pc-close__text {
  margin-top: 14px;
  max-width: 62ch;
  font-size: var(--fz-sm);
  color: var(--slate-mute);
}

.page-contact .pc-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .pc-close__links .btn {
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .pc-close__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed rgba(143, 169, 188, 0.35);
  font-family: var(--font-mono);
  font-size: var(--fz-sm);
  color: var(--chalk-white);
  word-break: break-word;
}

.page-contact .pc-close__contact .coord {
  color: var(--aqua-dim);
}

.page-contact .pc-close__dot {
  color: var(--grid-line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .pc-sec-head--split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 32px;
  }

  .page-contact .pc-sec-head--split .pc-sec-head__lede {
    margin-top: 0;
    font-size: var(--fz-sm);
  }

  .page-contact .pc-route {
    grid-template-columns: 74px minmax(0, 1fr) 208px;
    align-items: start;
    gap: 18px 24px;
  }

  .page-contact .pc-route__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-left: 20px;
    border-left: 1px dashed rgba(27, 58, 82, 0.9);
  }

  .page-contact .pc-faq__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .pc-faq__layout .pc-sec-head {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.5fr);
    align-items: stretch;
  }

  .page-contact .pc-hero__figure {
    align-self: start;
  }

  .page-contact .pc-channels {
    grid-template-columns: 1.15fr 0.92fr 1.08fr;
    align-items: start;
    gap: 18px;
  }

  .page-contact .pc-channel:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact .pc-channel:nth-child(3) {
    margin-top: 58px;
  }

  .page-contact .pc-local {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .pc-local__figure {
    margin-top: 6px;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-check:nth-child(4) {
    margin-top: 22px;
  }

  .page-contact .pc-check:nth-child(5) {
    margin-top: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-check,
  .page-contact .pc-route__no,
  .page-contact .pc-faq__sign {
    transition: none;
  }
}