.page-contact {
  --pc-hero-h: clamp(340px, 48vw, 500px);
}

.page-contact .pc-crumb {
  background: var(--abyss-900);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .pc-crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 auto;
  padding: 10px var(--pad);
  max-width: 1280px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-300);
}

.page-contact .pc-crumb-list a {
  color: var(--text-300);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

.page-contact .pc-crumb-list a:hover,
.page-contact .pc-crumb-list a:focus-visible {
  color: var(--cyan-400);
}

.page-contact .pc-crumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--steel-500);
}

.page-contact .pc-crumb-list [aria-current="page"] {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--grad-signal);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .pc-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .pc-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.85);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 10% 6%, rgba(0, 229, 208, 0.16), transparent 58%),
    linear-gradient(180deg, rgba(7, 19, 31, 0.55) 0%, rgba(7, 19, 31, 0.88) 64%, var(--abyss-900) 100%);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .pc-hero-body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
  min-height: var(--pc-hero-h);
  padding-block: clamp(48px, 9vw, 92px) clamp(26px, 5vw, 46px);
}

.page-contact .pc-hero-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .pc-hero h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.page-contact .pc-hero-lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-300);
}

.page-contact .pc-hero-facts {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  background: rgba(10, 27, 46, 0.88);
}

.page-contact .pc-fact-key {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel-500);
}

.page-contact .pc-hero-facts .pc-fact-val {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-100);
  word-break: break-word;
}

.page-contact .pc-hero-facts .pc-fact-val--addr {
  font-family: var(--font-body);
  font-size: 15px;
}

/* ---------- 页内导航 ---------- */
.page-contact .pc-toc {
  position: sticky;
  top: var(--bar-h);
  z-index: 5;
  background: var(--abyss-800);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .pc-toc-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 9px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-contact .pc-toc-label {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-500);
}

.page-contact .pc-toc-list {
  display: flex;
  gap: 4px;
  flex: 1 1 auto;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-toc-list a {
  display: block;
  padding: 4px 10px;
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-300);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-contact .pc-toc-list a:hover,
.page-contact .pc-toc-list a:focus-visible,
.page-contact .pc-toc-list a[aria-current="true"] {
  color: var(--cyan-400);
  border-color: var(--line-600);
  background: rgba(0, 229, 208, 0.06);
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-section {
  padding-block: clamp(44px, 7vw, 88px);
  border-bottom: 1px solid rgba(27, 58, 87, 0.55);
  scroll-margin-top: calc(var(--bar-h) + 60px);
}

.page-contact .pc-section:last-of-type {
  border-bottom: 0;
}

.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-contact .pc-index {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-contact .pc-h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--text-100);
}

.page-contact .pc-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-300);
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--panel-700);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-contact .pc-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  background: linear-gradient(160deg, rgba(16, 42, 68, 0.96), rgba(10, 27, 46, 0.96));
}

.page-contact .pc-channel + .pc-channel {
  border-top: 1px solid var(--line-600);
}

.page-contact .pc-channel-tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel-500);
}

.page-contact .pc-channel-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-100);
}

.page-contact .pc-channel-value {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--cyan-400);
  word-break: break-word;
  user-select: all;
}

.page-contact .pc-channel-value--addr {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-100);
}

.page-contact .pc-channel-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-300);
}

.page-contact .pc-channel-meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(45, 92, 130, 0.55);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-300);
}

.page-contact .pc-channel-meta .mono {
  margin-right: 8px;
  color: var(--orange-500);
}

/* ---------- 材料清单 ---------- */
.page-contact .pc-rows {
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-row {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--abyss-800);
}

.page-contact .pc-row-tag {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange-500);
}

.page-contact .pc-row-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: 19px;
  line-height: 1.3;
  color: var(--text-100);
}

.page-contact .pc-row-scene p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-300);
}

.page-contact .pc-checks {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-checks li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-300);
}

.page-contact .pc-checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--cyan-400);
}

/* ---------- 值守时段 ---------- */
.page-contact .pc-hours-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-contact .pc-hours-copy .pc-head {
  margin-bottom: 18px;
}

.page-contact .pc-hours-list {
  display: grid;
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-hours-list li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--abyss-800);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-300);
}

.page-contact .pc-hours-list .mono {
  font-size: 13px;
  color: var(--cyan-400);
}

.page-contact .pc-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange-500);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-300);
}

.page-contact .pc-hours-media {
  margin: 0;
}

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

/* ---------- 合作类型 ---------- */
.page-contact .pc-panels {
  display: grid;
  gap: 10px;
}

.page-contact .pc-panel {
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background: var(--panel-700);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-contact .pc-panel summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text-100);
  transition: color 0.2s var(--ease-out);
}

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

.page-contact .pc-panel summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 16px;
  color: var(--orange-500);
}

.page-contact .pc-panel[open] summary::before {
  content: "–";
}

.page-contact .pc-panel[open] summary {
  border-bottom: 1px solid var(--line-600);
  color: var(--cyan-200);
}

.page-contact .pc-panel summary:hover {
  color: var(--cyan-200);
}

.page-contact .pc-panel .panel-body {
  padding: 16px 18px 20px;
}

.page-contact .pc-panel-grid {
  display: grid;
  gap: 18px;
}

.page-contact .pc-panel-label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel-500);
}

.page-contact .pc-panel-grid p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-300);
}

.page-contact .pc-panel-grid ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-300);
}

.page-contact .pc-panel-grid li::marker {
  color: var(--cyan-400);
}

/* ---------- 自查引导 ---------- */
.page-contact .pc-selfcheck-card {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line-600);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(255, 122, 26, 0.16), transparent 62%),
    var(--grad-signal);
  box-shadow: var(--shadow-card);
}

.page-contact .pc-selfcheck-card .pc-h2 {
  margin-bottom: 12px;
}

.page-contact .pc-selfcheck-lead {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-300);
}

.page-contact .pc-selfcheck-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .pc-selfcheck-list li {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 1px solid var(--line-600);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-300);
}

.page-contact .pc-selfcheck-list .mono {
  font-size: 13px;
  color: var(--cyan-400);
}

.page-contact .pc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-hours-list li {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-channel + .pc-channel {
    border-top: 0;
    border-left: 1px solid var(--line-600);
  }

  .page-contact .pc-row {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hours-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-panel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
  }
}
<<<END>>>