/* ===================================================================
   对接与联络 /reach-us/
   页面专属样式，全部限定在 .page-contact 作用域内
   =================================================================== */

.page-contact {
  --pc-hairline: rgba(159, 176, 200, 0.2);
  --pc-hairline-strong: rgba(159, 176, 200, 0.34);
  --pc-ink-soft: rgba(15, 27, 48, 0.68);

  display: block;
  padding-bottom: clamp(56px, 8vw, 120px);
}

/* ---------- 首屏：无传统 Hero，主题声明直接压阵 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(30px, 5vw, 68px) clamp(28px, 4vw, 56px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -12% -8% auto -8%;
  height: 130%;
  background-image: radial-gradient(rgba(159, 176, 200, 0.16) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .hero-split {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-contact .contact-title {
  margin: 0.35em 0 0;
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  font-weight: 250;
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--c-cream);
}

.page-contact .contact-lede {
  margin: 1.05em 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .hero-stats {
  display: grid;
  gap: 0;
  margin: 0;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(25, 168, 122, 0.14), transparent 58%),
    linear-gradient(158deg, rgba(26, 43, 74, 0.9), rgba(15, 27, 48, 0.55));
}

.page-contact .hero-stat {
  display: grid;
  gap: 6px;
  padding-block: 14px;
  border-bottom: 1px dashed var(--pc-hairline);
}

.page-contact .hero-stat:first-child {
  padding-top: 0;
}

.page-contact .hero-stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-contact .stat-val {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  color: var(--c-cream);
}

.page-contact .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.4vw, 2.4rem);
  font-weight: 500;
  line-height: 1;
  color: var(--c-amber);
}

.page-contact .stat-unit {
  font-size: 0.9375rem;
  color: var(--c-mist);
}

/* ---------- 首屏下方信息图 ---------- */

.page-contact .hero-figure {
  margin: clamp(30px, 4.5vw, 52px) 0 clamp(36px, 6vw, 84px);
}

.page-contact .hero-figure .media-frame {
  --media-ratio: 3 / 2;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
}

.page-contact .media-caption {
  margin-top: 12px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 四档合作条件 ---------- */

.page-contact .tiers-split {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .tiers-tabs {
  display: grid;
  gap: 10px;
}

.page-contact .tiers-tabs .tab {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid transparent;
  border-radius: var(--radius-s);
  background: rgba(26, 43, 74, 0.5);
  color: var(--c-mist);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.page-contact .tiers-tabs .tab:hover {
  border-left-color: var(--c-amber);
  color: var(--c-cream);
  transform: translateX(2px);
}

.page-contact .tiers-tabs .tab[aria-selected="true"] {
  border-left-color: var(--c-coral);
  background: var(--c-panel-soft);
  color: var(--c-cream);
}

.page-contact .tiers-tabs .tab:focus-visible {
  outline: 2px solid var(--c-teal);
  outline-offset: 2px;
}

.page-contact .tier-idx {
  flex: none;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-amber);
}

.page-contact .tiers-tabs .tab[aria-selected="true"] .tier-idx {
  color: var(--c-coral);
}

.page-contact .tier-tab-text {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-contact .tier-tab-name {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.page-contact .tier-tab-hint {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-contact .tiers-panels {
  min-width: 0;
}

.page-contact .tier-panel {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background:
    radial-gradient(130% 120% at 0% 0%, rgba(224, 163, 46, 0.1), transparent 55%),
    linear-gradient(156deg, rgba(26, 43, 74, 0.92), rgba(15, 27, 48, 0.62));
}

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

.page-contact .tier-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .tier-name {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--c-cream);
}

.page-contact .tier-for {
  margin: 16px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-cream);
}

.page-contact .tier-for strong {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-indigo);
  background: var(--c-moss-light);
}

.page-contact .tier-label {
  margin: 24px 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

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

.page-contact .tier-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-cream);
}

.page-contact .tier-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-teal);
  box-shadow: 0 0 0 3px rgba(25, 168, 122, 0.16);
}

.page-contact .tier-foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--pc-hairline);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 洽谈流程 ---------- */

.page-contact .flow-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .flow-figure {
  margin: 0;
}

.page-contact .flow-figure .media-frame {
  --media-ratio: 10 / 7;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, rgba(26, 43, 74, 0.9), rgba(11, 21, 38, 0.9));
}

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

.page-contact .flow-timeline .timeline-item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--pc-hairline-strong);
}

.page-contact .flow-timeline .timeline-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow-timeline .timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-teal);
  box-shadow: 0 0 0 4px rgba(25, 168, 122, 0.14);
}

.page-contact .flow-timeline .timeline-item--amber::before {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(224, 163, 46, 0.18);
}

.page-contact .flow-timeline .timeline-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-contact .flow-timeline .timeline-title {
  margin: 6px 0 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--c-cream);
}

.page-contact .flow-timeline .timeline-text {
  margin: 8px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 需求说明字段（浅色阅读区） ---------- */

.page-contact .briefing-inner {
  padding: clamp(24px, 4vw, 52px);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(180, 106, 74, 0.16), transparent 58%),
    var(--c-cream);
  color: var(--c-indigo);
}

.page-contact .briefing-inner .eyebrow {
  color: var(--c-clay);
}

.page-contact .briefing-inner .section-title {
  color: var(--c-indigo);
}

.page-contact .briefing-lede {
  margin: 0.9em 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .field-list {
  display: grid;
  gap: 0;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .field-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(15, 27, 48, 0.12);
}

.page-contact .field-item:last-child {
  border-bottom: 1px solid rgba(15, 27, 48, 0.12);
}

.page-contact .field-idx {
  grid-row: 1 / span 2;
  font-size: 0.75rem;
  line-height: 1.9;
  letter-spacing: 0.08em;
  color: var(--c-clay);
}

.page-contact .field-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-indigo);
}

.page-contact .field-text {
  margin: 4px 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

.page-contact .brief-details {
  margin-top: clamp(22px, 3vw, 32px);
  border: 1px solid rgba(15, 27, 48, 0.16);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.5);
}

.page-contact .brief-details summary {
  padding: 14px 18px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-moss);
  cursor: pointer;
}

.page-contact .brief-details summary:focus-visible {
  outline: 2px solid var(--c-moss);
  outline-offset: 2px;
}

.page-contact .brief-details-text {
  margin: 0;
  padding: 0 18px 16px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

/* ---------- 联系渠道 ---------- */

.page-contact .reach-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .reach-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(26, 43, 74, 0.9), rgba(11, 21, 38, 0.72));
}

.page-contact .reach-card:first-child {
  border-top: 3px solid var(--c-teal);
}

.page-contact .reach-card:nth-child(2) {
  border-top: 3px solid var(--c-amber);
}

.page-contact .reach-card:nth-child(3) {
  border-top: 3px solid var(--c-moss);
}

.page-contact .reach-label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

.page-contact .reach-value {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.6;
  word-break: break-word;
  color: var(--c-cream);
}

.page-contact .reach-value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  color: var(--c-amber);
}

.page-contact .reach-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-contact .reach-hours {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px dashed var(--pc-hairline-strong);
  border-radius: var(--radius-m);
  background: rgba(25, 168, 122, 0.07);
}

.page-contact .reach-hours-label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--c-teal);
}

.page-contact .reach-hours-text {
  margin: 0;
  max-width: 76ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-cream);
}

/* ---------- 区域对接 ---------- */

.page-contact .region-grid {
  display: grid;
  gap: 14px;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .region-item {
  padding: 20px 20px 20px 22px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--c-moss);
  border-radius: var(--radius-s);
  background: rgba(26, 43, 74, 0.42);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-contact .region-item:hover {
  background: rgba(34, 55, 92, 0.72);
  border-left-color: var(--c-teal);
}

.page-contact .region-name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--c-cream);
}

.page-contact .region-text {
  margin: 8px 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-contact .regions-note {
  margin: 22px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .regions-note a {
  color: var(--c-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .regions-note a:hover,
.page-contact .regions-note a:focus-visible {
  color: var(--c-amber);
}

/* ---------- 追问入口 ---------- */

.page-contact .next-list {
  display: grid;
  gap: 12px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .next-link {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: rgba(26, 43, 74, 0.4);
  text-decoration: none;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  border-color: var(--c-amber);
  background: rgba(34, 55, 92, 0.7);
  transform: translateY(-2px);
}

.page-contact .next-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-cream);
}

.page-contact .next-text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .region-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .field-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .field-item {
    padding-inline: 18px;
  }

  .page-contact .field-item:nth-child(odd) {
    padding-left: 0;
  }

  .page-contact .field-item:nth-child(even) {
    border-left: 1px solid rgba(15, 27, 48, 0.12);
    padding-right: 0;
  }
}

@media (min-width: 860px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(230px, 0.75fr);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-contact .tiers-split {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 48px);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .flow-split {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .tiers-tabs .tab,
  .page-contact .region-item,
  .page-contact .next-link {
    transition: none;
  }

  .page-contact .tiers-tabs .tab:hover,
  .page-contact .next-link:hover,
  .page-contact .next-link:focus-visible {
    transform: none;
  }
}
</final>