.page-contact {
  --contact-grid-line: rgba(244, 237, 225, .075);
  --contact-soft-line: rgba(244, 237, 225, .16);
  --contact-muted: rgba(244, 237, 225, .68);
  --contact-ink-muted: rgba(36, 28, 23, .72);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 0;
  background-color: var(--ink-900);
  background-image: radial-gradient(760px 420px at 84% 6%, rgba(18, 196, 160, .16), transparent 68%),
                    radial-gradient(520px 320px at 4% 88%, rgba(224, 166, 60, .10), transparent 70%);
  color: var(--paper);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 2;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-contact .breadcrumb__item a,
.page-contact .breadcrumb__item span {
  color: var(--contact-muted);
  text-decoration: none;
}

.page-contact .breadcrumb__item a:hover {
  color: var(--mint);
}

.page-contact .breadcrumb__item [aria-current="page"] {
  color: var(--paper);
}

.page-contact .breadcrumb__sep {
  color: var(--ink-700);
}

.page-contact .contact-hero__stage {
  position: relative;
  padding: 30px 0 44px;
}

.page-contact .contact-hero__body {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(29px, 8vw, 54px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 15em;
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 237, 225, .82);
}

.page-contact .contact-hero__map {
  position: relative;
  z-index: 1;
  margin: 34px 0 0;
  overflow: hidden;
  border: 1px solid rgba(18, 196, 160, .3);
  border-radius: 3px 26px 3px 3px;
  background: rgba(29, 44, 74, .55);
  box-shadow: 8px 8px 0 rgba(18, 196, 160, .1);
}

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

.page-contact .contact-hero__map-caption {
  margin: 0;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--mono-gray);
  border-top: 1px solid rgba(18, 196, 160, .22);
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
  overflow: hidden;
  padding: 0 0 56px;
}

.page-contact .contact-channels__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  z-index: 0;
}

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

.page-contact .contact-channels__grid {
  display: grid;
  gap: 1px;
  background: var(--contact-soft-line);
  border-top: 1px solid var(--contact-soft-line);
  border-bottom: 1px solid var(--contact-soft-line);
}

.page-contact .contact-channel {
  padding: 22px 18px;
  background: rgba(16, 25, 43, .74);
}

.page-contact .contact-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mono-gray);
}

.page-contact .contact-channel__value {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__value--mint {
  color: var(--mint);
}

.page-contact .contact-channel__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--contact-muted);
}

/* ---------- 中段两栏 ---------- */
.page-contact .contact-main {
  position: relative;
  padding: 56px 0;
  background: var(--paper);
  color: var(--text);
}

.page-contact .contact-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 22px;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 100%);
  pointer-events: none;
}

.page-contact .contact-main__grid {
  display: grid;
  gap: 52px;
}

.page-contact .contact-main .eyebrow,
.page-contact .contact-sla .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint-deep);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-contact .contact-regions h2 {
  color: var(--paper);
}

.page-contact .contact-prepare__lede,
.page-contact .contact-scope__lede,
.page-contact .contact-sla__lede,
.page-contact .contact-regions__lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--contact-ink-muted);
  max-width: 35em;
}

.page-contact .contact-regions__lede {
  color: rgba(244, 237, 225, .76);
}

.page-contact .contact-link {
  color: var(--mint-deep);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .contact-link:hover {
  color: var(--ink-900);
}

.page-contact .contact-regions .contact-link {
  color: var(--mint);
}

.page-contact .contact-regions .contact-link:hover {
  color: var(--amber);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-checklist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--ink-800);
}

.page-contact .contact-checklist__input {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 2px solid var(--ink-800);
  background: var(--paper);
  cursor: pointer;
}

.page-contact .contact-checklist__input:checked {
  background: var(--mint);
  border-color: var(--mint-deep);
  box-shadow: inset 0 0 0 3px var(--paper);
}

.page-contact .contact-checklist__input:focus-visible {
  outline: 2px solid var(--mint-deep);
  outline-offset: 2px;
}

.page-contact .contact-checklist__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .contact-checklist__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mint-deep);
}

.page-contact .contact-checklist__body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .contact-checklist__input:checked + .contact-checklist__label {
  color: rgba(36, 28, 23, .55);
}

.page-contact .contact-prepare__tip {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--contact-ink-muted);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

/* ---------- 受理范围标签页 ---------- */
.page-contact .tabs {
  margin-top: 22px;
}

.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .tab {
  appearance: none;
  -webkit-appearance: none;
  padding: 9px 15px;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--ink-800);
  background: transparent;
  border: 1px solid rgba(36, 28, 23, .22);
  border-radius: 999px;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .tab:hover {
  border-color: var(--mint-deep);
  color: var(--mint-deep);
}

.page-contact .tab[aria-selected="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--mint-deep);
  outline-offset: 2px;
}

.page-contact .tabpanel {
  margin-top: 18px;
  padding: 18px 16px 4px;
  border-left: 3px solid var(--mint);
  background: rgba(231, 219, 199, .5);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .tabpanel[hidden] {
  display: none;
}

.page-contact .tabpanel p {
  margin: 0 0 12px;
}

.page-contact .tabpanel__more {
  font-size: 14px;
  padding-top: 2px;
  border-top: 1px dashed rgba(36, 28, 23, .18);
  padding-top: 10px;
}

/* ---------- 区域服务点 ---------- */
.page-contact .contact-regions {
  position: relative;
  overflow: hidden;
  padding: 56px 0 48px;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--paper);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-regions .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-regions__rail {
  display: flex;
  gap: 10px;
  margin: 24px 0 0;
  padding: 4px 0 14px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  counter-reset: region;
}

.page-contact .contact-regions__rail li {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--paper);
  background: rgba(29, 44, 74, .72);
  border: 1px solid rgba(18, 196, 160, .38);
  border-radius: 2px;
}

.page-contact .contact-regions__rail li::before {
  counter-increment: region;
  content: counter(region, decimal-leading-zero);
  margin-right: 8px;
  font-size: 10.5px;
  color: var(--mono-gray);
}

.page-contact .contact-regions__rail:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
}

.page-contact .contact-regions__note {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--amber);
}

.page-contact .contact-regions__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 237, 225, .78);
  max-width: 40em;
}

.page-contact .contact-regions__addr {
  margin-bottom: 8px !important;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .01em;
  color: var(--paper) !important;
  overflow-wrap: anywhere;
}

/* ---------- 响应时效 ---------- */
.page-contact .contact-sla {
  padding: 56px 0 64px;
  background: var(--paper);
  color: var(--text);
}

.page-contact .contact-sla__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin-top: 26px;
}

.page-contact .contact-sla__item {
  display: block;
  padding: 18px 14px;
  background: var(--paper-2);
  border-top: 2px solid var(--ink-800);
}

.page-contact .contact-sla__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 6.4vw, 32px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-sla__unit {
  font-size: .48em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--mint-deep);
  margin-left: 2px;
}

.page-contact .contact-sla__label {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--contact-ink-muted);
}

.page-contact .contact-sla__more {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(36, 28, 23, .2);
  font-size: 14px;
  line-height: 1.8;
  color: var(--contact-ink-muted);
  max-width: 42em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-checklist__body,
  .page-contact .contact-checklist__label {
    font-size: 15px;
  }

  .page-contact .contact-sla__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-top: 24px;
  }

  .page-contact .contact-hero__stage {
    max-width: 1020px;
    margin: 0 auto;
    padding: 40px 0 56px;
    min-height: 400px;
  }

  .page-contact .contact-hero__body {
    max-width: 590px;
  }

  .page-contact .contact-hero__map {
    position: absolute;
    top: 12px;
    right: 0;
    width: 356px;
    margin: 0;
  }

  .page-contact .contact-main {
    padding: 76px 0 84px;
  }

  .page-contact .contact-main::before {
    height: 34px;
  }

  .page-contact .contact-main__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .contact-regions {
    padding: 72px 0 64px;
    clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact .contact-sla {
    padding: 76px 0 88px;
  }

  .page-contact .contact-regions__rail li {
    font-size: 13.5px;
    padding: 10px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tab,
  .page-contact .contact-link {
    transition: none;
  }
}
<<<END>>>