.page-contact {
  --pc-line: rgba(246, 233, 210, 0.14);
  --pc-line-dark: rgba(27, 20, 16, 0.12);
  --pc-pad: clamp(52px, 8vw, 108px);
  --pc-shadow: 0 24px 48px -36px rgba(0, 0, 0, 0.95);
  background: var(--c-navy);
  color: var(--c-cream);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  margin: 0;
}

.page-contact h1 {
  font-size: clamp(2.1rem, 7.2vw, 3.85rem);
  line-height: 1.1;
  font-weight: 800;
  margin-top: 18px;
}

.page-contact h2 {
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.2;
  font-weight: 700;
}

.page-contact h3 {
  font-size: 1.1875rem;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact p {
  margin: 0;
}

.page-contact a {
  color: inherit;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumb {
  padding-top: clamp(20px, 4vw, 36px);
}

.page-contact .pc-crumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(246, 233, 210, 0.55);
}

.page-contact .pc-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(246, 233, 210, 0.32);
}

.page-contact .pc-crumb a {
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 224, 0.4);
  padding-bottom: 1px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

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

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-bottom: var(--pc-pad);
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(31, 167, 184, 0.18), transparent 65%),
    radial-gradient(70% 60% at 96% 12%, rgba(255, 162, 58, 0.1), transparent 70%);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(30px, 6vw, 56px);
  margin-top: clamp(26px, 5vw, 44px);
  align-items: start;
}

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

.page-contact .pc-lede {
  margin-top: 20px;
  max-width: 54ch;
  color: rgba(246, 233, 210, 0.84);
  font-size: 1rem;
}

.page-contact .pc-quick {
  margin-top: clamp(26px, 5vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-quick__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--c-bridge);
  text-decoration: none;
  min-height: 44px;
  transition: background var(--dur) var(--ease);
}

.page-contact .pc-quick__item:not(.pc-quick__item--static):hover,
.page-contact .pc-quick__item:not(.pc-quick__item--static):focus-visible {
  background: #123350;
}

.page-contact .pc-quick__label {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--c-teal);
}

.page-contact .pc-quick__value {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--c-cream);
  word-break: break-word;
}

.page-contact .pc-quick__item:not(.pc-quick__item--static) .pc-quick__value {
  color: var(--c-amber);
  border-bottom: 1px dashed rgba(255, 162, 58, 0.45);
  align-self: flex-start;
}

.page-contact .pc-hero__media {
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--pc-line);
  aspect-ratio: 3 / 2;
  background: linear-gradient(160deg, rgba(14, 42, 68, 0.95), rgba(7, 26, 43, 0.9));
  margin: 0;
}

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

/* ---------- 章节头 ---------- */
.page-contact .pc-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-contact .pc-sec-head__eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--c-teal);
  margin: 0 0 12px;
}

.page-contact .pc-sec-head__note {
  margin-top: 14px;
  color: rgba(246, 233, 210, 0.72);
  font-size: 0.9375rem;
}

.page-contact .pc-sec-head--light h2 {
  color: var(--c-cream);
}

/* ---------- 入口选项卡（米白区） ---------- */
.page-contact .pc-routes {
  background: var(--c-cream);
  color: var(--c-ink);
  padding: var(--pc-pad) 0;
  border-top-left-radius: 32px;
  border-top-right-radius: 32px;
}

.page-contact .pc-routes .pc-sec-head__eyebrow {
  color: var(--c-ember);
}

.page-contact .pc-routes h2 {
  color: var(--c-ink);
}

.page-contact .pc-routes .pc-sec-head__note {
  color: rgba(27, 20, 16, 0.66);
}

.page-contact .pc-tabs__list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-contact .pc-tabs__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(27, 20, 16, 0.18);
  background: transparent;
  color: rgba(27, 20, 16, 0.72);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-tabs__tab .mono {
  font-size: 0.6875rem;
  opacity: 0.7;
}

.page-contact .pc-tabs__tab:hover,
.page-contact .pc-tabs__tab:focus-visible {
  border-color: var(--c-teal);
  color: var(--c-ink);
}

.page-contact .pc-tabs__tab[aria-selected="true"] {
  background: var(--c-navy);
  border-color: var(--c-navy);
  color: var(--c-cyan);
}

.page-contact .pc-tabs__panel {
  margin-top: 22px;
  background: var(--c-paper);
  border: 1px solid var(--pc-line-dark);
  border-radius: var(--radius-l);
  padding: clamp(20px, 3.6vw, 38px);
  box-shadow: 0 30px 50px -46px rgba(7, 26, 43, 0.9);
}

.page-contact .pc-tabs__panel:focus-visible {
  outline: 2px solid var(--c-teal);
  outline-offset: 3px;
}

.page-contact .pc-panel__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 30px);
}

.page-contact .pc-panel__kicker {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--c-ember);
  margin-bottom: 14px;
}

.page-contact .pc-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-panel__list li {
  position: relative;
  padding-left: 22px;
  color: rgba(27, 20, 16, 0.82);
  font-size: 0.9688rem;
  line-height: 1.75;
}

.page-contact .pc-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--c-teal);
}

.page-contact .pc-panel__next {
  background: var(--c-navy);
  color: var(--c-cream);
  border-radius: var(--radius-m);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  border-left: 3px solid var(--c-amber);
}

.page-contact .pc-panel__next-label {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--c-amber);
  margin: 0;
}

.page-contact .pc-panel__next p:not(.pc-panel__next-label) {
  font-size: 0.9063rem;
  line-height: 1.7;
  color: rgba(246, 233, 210, 0.86);
}

/* ---------- 联络台（深色区） ---------- */
.page-contact .pc-desk {
  padding: var(--pc-pad) 0;
  background:
    linear-gradient(180deg, rgba(14, 42, 68, 0.55), rgba(7, 26, 43, 0.95) 60%),
    var(--c-navy);
}

.page-contact .pc-desk__grid {
  display: grid;
  gap: clamp(36px, 6vw, 64px);
}

.page-contact .pc-channels {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  scrollbar-width: thin;
}

.page-contact .pc-channel {
  flex: 0 0 min(272px, 80vw);
  scroll-snap-align: start;
  background: var(--c-bridge);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--pc-shadow);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .pc-channel:hover {
  border-color: rgba(53, 224, 224, 0.5);
  transform: translateY(-4px);
}

.page-contact .pc-channel__label {
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  margin: 0;
}

.page-contact .pc-channel h3 {
  color: var(--c-cream);
  font-size: 1.125rem;
}

.page-contact .pc-channel__strong {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-amber);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px dashed rgba(255, 162, 58, 0.45);
  align-self: flex-start;
  min-height: 24px;
}

.page-contact .pc-channel a.pc-channel__strong:hover,
.page-contact .pc-channel a.pc-channel__strong:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-paper);
}

.page-contact .pc-channel__strong--text {
  border-bottom: none;
  font-family: var(--font-body);
  color: var(--c-cream);
  font-size: 0.9375rem;
  letter-spacing: 0;
}

.page-contact .pc-channel p:last-child {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(246, 233, 210, 0.68);
}

/* ---------- 邮件模板 ---------- */
.page-contact .pc-template {
  background: var(--c-cream);
  color: var(--c-ink);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-template__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(217, 226, 232, 0.72);
  border-bottom: 1px solid var(--pc-line-dark);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(27, 20, 16, 0.7);
}

.page-contact .pc-template__body {
  padding: 6px 18px 16px;
}

.page-contact .pc-template__row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(27, 20, 16, 0.14);
  align-items: baseline;
}

.page-contact .pc-template__row:last-child {
  border-bottom: none;
}

.page-contact .pc-template__key {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: rgba(27, 20, 16, 0.62);
  background: rgba(217, 226, 232, 0.7);
  border-radius: 4px;
  padding: 2px 6px;
  justify-self: start;
}

.page-contact .pc-template__val {
  font-size: 0.9063rem;
  line-height: 1.65;
  color: var(--c-ink);
  word-break: break-word;
}

.page-contact .pc-desk__figure {
  margin: 22px 0 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--pc-line);
  aspect-ratio: 10 / 7;
  background: linear-gradient(150deg, rgba(14, 42, 68, 0.9), rgba(7, 26, 43, 0.95));
}

/* ---------- 处理流程（米白区） ---------- */
.page-contact .pc-flow-sec {
  background: var(--c-cream);
  color: var(--c-ink);
  padding: var(--pc-pad) 0;
}

.page-contact .pc-flow-sec h2 {
  color: var(--c-ink);
}

.page-contact .pc-flow__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .pc-flow-sec .pc-sec-head__eyebrow {
  color: var(--c-ember);
}

.page-contact .pc-flow__note {
  margin-top: 16px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(27, 20, 16, 0.7);
}

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

.page-contact .pc-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 28px;
}

.page-contact .pc-flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: rgba(31, 167, 184, 0.4);
}

.page-contact .pc-flow__step:last-child::before {
  display: none;
}

.page-contact .pc-flow__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-navy);
  color: var(--c-cyan);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.page-contact .pc-flow__body h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
  color: var(--c-ink);
}

.page-contact .pc-flow__body p {
  font-size: 0.9063rem;
  line-height: 1.75;
  color: rgba(27, 20, 16, 0.72);
}

/* ---------- 快捷标签 ---------- */
.page-contact .pc-shortcuts {
  padding: var(--pc-pad) 0 calc(var(--pc-pad) - 12px);
  background:
    radial-gradient(80% 60% at 88% 100%, rgba(53, 224, 224, 0.14), transparent 70%),
    var(--c-navy);
}

.page-contact .pc-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-tags a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(53, 224, 224, 0.35);
  background: rgba(14, 42, 68, 0.7);
  color: var(--c-cream);
  text-decoration: none;
  font-size: 0.9063rem;
  line-height: 1.4;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-tags a:hover,
.page-contact .pc-tags a:focus-visible {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-navy);
}

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

  .page-contact .pc-panel__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-contact .pc-lede {
    font-size: 1.0625rem;
  }

  .page-contact .pc-tabs__list {
    flex-wrap: wrap;
    overflow: visible;
  }

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

@media (min-width: 1000px) {
  .page-contact .pc-desk__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .pc-channels {
    flex-direction: column;
    overflow: visible;
    gap: 14px;
    padding-bottom: 0;
  }

  .page-contact .pc-channel {
    flex: 1 1 auto;
  }

  .page-contact .pc-desk__col--template {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel:hover {
    transform: none;
  }

  .page-contact .pc-crumb a,
  .page-contact .pc-quick__item,
  .page-contact .pc-tabs__tab,
  .page-contact .pc-tags a {
    transition-duration: 1ms;
  }
}
<<<END>>>