.page-contact {
  --pc-panel: rgba(16, 53, 42, .66);
  --pc-deep: rgba(10, 33, 26, .92);
  --pc-hair: rgba(36, 71, 61, .85);
  --pc-glow: rgba(67, 255, 208, .12);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 5vw, 72px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 94% 0%, var(--pc-glow), transparent 62%),
    linear-gradient(180deg, rgba(10, 33, 26, .88), rgba(5, 20, 15, 0) 76%);
}

.page-contact .breadcrumb {
  margin: 0 0 clamp(20px, 3vw, 34px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: baseline;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted-dim);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: .45rem;
  color: var(--line);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .hero-copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 8vw, 74px);
  line-height: .96;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .hero-copy .lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .hero-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: inset 0 1px 0 rgba(236, 247, 241, .05);
}

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

.page-contact .board {
  border: 1px solid var(--line);
  background: var(--pc-deep);
  padding: 2px clamp(16px, 2vw, 22px);
}

.page-contact .board-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .board-row:last-child {
  border-bottom: 0;
}

.page-contact .board-key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted-dim);
  white-space: nowrap;
}

.page-contact .board-val {
  font-family: var(--font-numeric);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  text-align: right;
}

.page-contact .board-val--cyan {
  color: var(--cyan-400);
}

.page-contact .board-val a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(67, 255, 208, .35);
}

.page-contact .board-val a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 渠道与准备 ---------- */
.page-contact .contact-desk {
  padding: clamp(36px, 5vw, 72px) 0;
}

.page-contact .desk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .sec-head {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-contact .sec-head .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-600);
}

.page-contact .sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .sec-head p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .chan-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--pc-hair);
  background: linear-gradient(150deg, var(--pc-panel), rgba(10, 33, 26, .55));
  box-shadow: inset 0 1px 0 rgba(236, 247, 241, .04);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .chan-card:hover {
  border-color: var(--cyan-600);
  transform: translateY(-2px);
}

.page-contact .chan-card::after {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 2px;
  height: calc(100% + 2px);
  background: var(--cyan-400);
}

.page-contact .chan-card:nth-child(2)::after {
  background: var(--orange-500);
}

.page-contact .chan-card:nth-child(3)::after {
  background: var(--muted);
}

.page-contact .chan-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .chan-index {
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted-dim);
}

.page-contact .chan-card .card-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .chan-value {
  margin: 0 0 10px;
  font-family: var(--font-numeric);
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .chan-value a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(67, 255, 208, .35);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .chan-value a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-contact .chan-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .desk-right {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  align-content: start;
}

.page-contact .desk-figure {
  margin: 0;
  border: 1px solid var(--pc-hair);
  overflow: hidden;
  background: var(--ink-700);
}

.page-contact .desk-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: 360px;
  object-fit: cover;
}

.page-contact .prep {
  border: 1px solid var(--pc-hair);
  background: var(--pc-deep);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-contact .prep h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .prep > p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .prep-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .prep-no {
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-400);
  padding-top: 3px;
}

.page-contact .prep-item h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 分流选择 ---------- */
.page-contact .contact-routes {
  padding: clamp(36px, 5vw, 72px) 0;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(16, 53, 42, .34), transparent 62%);
}

.page-contact .contact-route-switch {
  position: relative;
}

.page-contact .contact-route-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .contact-route-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-contact .contact-route-tabs label {
  cursor: pointer;
  padding: 9px 16px;
  font-size: 13px;
  letter-spacing: .04em;
  border: 1px solid var(--pc-hair);
  color: var(--muted);
  background: rgba(5, 20, 15, .5);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .contact-route-tabs label:hover {
  color: var(--paper);
  border-color: var(--cyan-600);
}

.page-contact .contact-route-panel {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--pc-hair);
  background: var(--pc-deep);
  box-shadow: inset 0 1px 0 rgba(236, 247, 241, .04);
}

.page-contact .contact-route-panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.2;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-route-panel .route-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .route-label {
  margin: 0 0 10px;
  font-family: var(--font-numeric);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-600);
}

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .route-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 1px;
  background: var(--cyan-600);
}

@supports selector(:has(*)) {
  .page-contact .contact-route-switch:has(.contact-route-input:checked) .contact-route-panel {
    display: none;
  }

  .page-contact .contact-route-switch:has(#route-a:checked) .contact-route-panel--a,
  .page-contact .contact-route-switch:has(#route-b:checked) .contact-route-panel--b,
  .page-contact .contact-route-switch:has(#route-c:checked) .contact-route-panel--c,
  .page-contact .contact-route-switch:has(#route-d:checked) .contact-route-panel--d,
  .page-contact .contact-route-switch:has(#route-e:checked) .contact-route-panel--e {
    display: grid;
  }

  .page-contact .contact-route-switch:has(#route-a:checked) label[for="route-a"],
  .page-contact .contact-route-switch:has(#route-b:checked) label[for="route-b"],
  .page-contact .contact-route-switch:has(#route-c:checked) label[for="route-c"],
  .page-contact .contact-route-switch:has(#route-d:checked) label[for="route-d"],
  .page-contact .contact-route-switch:has(#route-e:checked) label[for="route-e"] {
    background: var(--cyan-400);
    border-color: var(--cyan-400);
    color: var(--ink-900);
    font-weight: 700;
  }
}

/* ---------- 回复说明 ---------- */
.page-contact .contact-hours {
  padding: clamp(36px, 5vw, 72px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .hours-lead .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-600);
}

.page-contact .hours-lead h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .hours-lead p {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hours-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .hours-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .hours-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .hours-mark {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--cyan-400);
}

.page-contact .hours-item:nth-child(2) .hours-mark {
  background: var(--orange-500);
}

.page-contact .hours-item:nth-child(3) .hours-mark {
  background: var(--muted);
}

.page-contact .hours-item h3 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .hours-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-registry {
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-contact .registry-band {
  display: grid;
  border: 1px solid var(--pc-hair);
  background: linear-gradient(100deg, rgba(16, 53, 42, .82), rgba(10, 33, 26, .48));
}

.page-contact .reg-item {
  padding: clamp(16px, 2.2vw, 22px) clamp(16px, 2.4vw, 26px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .reg-item:first-child {
  border-top: 0;
}

.page-contact .reg-key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-numeric);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--muted-dim);
}

.page-contact .reg-val {
  display: block;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-quick {
  padding: clamp(36px, 5vw, 72px) 0 clamp(44px, 6vw, 88px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--pc-hair);
  background: rgba(16, 53, 42, .38);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .quick-card:hover,
.page-contact .quick-card:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(16, 53, 42, .78);
  transform: translateY(-3px);
}

.page-contact .quick-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .quick-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .quick-arrow {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-numeric);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

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

@media (min-width: 760px) {
  .page-contact .contact-route-panel {
    grid-template-columns: 1.08fr .92fr;
  }

  .page-contact .contact-route-panel > div + div {
    border-left: 1px solid var(--line-soft);
    padding-left: clamp(18px, 3vw, 32px);
  }
}

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

  .page-contact .reg-item {
    border-top: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-contact .reg-item:first-child {
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .hours-grid {
    grid-template-columns: .8fr 1.2fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: 1.12fr .88fr;
    align-items: end;
  }

  .page-contact .hero-side {
    padding-bottom: 4px;
  }
}

@media (min-width: 1000px) {
  .page-contact .desk-grid {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }

  .page-contact .desk-right {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1060px) {
  .page-contact .quick-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-card,
  .page-contact .quick-card {
    transition: none;
  }

  .page-contact .chan-card:hover,
  .page-contact .quick-card:hover {
    transform: none;
  }
}