.page-contact {
  --cc-b1: 2px;
  --cc-b2: 1.5px;
  --cc-b3: 1px;
  --cc-ink-soft: rgba(42, 33, 24, 0.74);
  --cc-ink-faint: rgba(42, 33, 24, 0.6);
  --cc-mist-soft: rgba(159, 180, 214, 0.82);
  --cc-hair-dark: rgba(159, 180, 214, 0.24);
  display: block;
}

/* ---------- 小标签与编号 ---------- */
.page-contact .contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .contact-kicker--ink {
  color: var(--signal);
}

.page-contact .contact-kicker__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 22px;
  padding: 0 6px;
  background: var(--cyan);
  color: var(--star);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-contact .contact-kicker--ink .contact-kicker__num {
  background: var(--signal);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(46px, 7vw, 88px);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-contact .contact-hero .display-1 {
  margin: 0 0 22px;
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  max-width: 44ch;
  margin: 0;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .contact-hero__media {
  margin-top: clamp(34px, 6vw, 62px);
}

/* ---------- 渠道总览 ---------- */
.page-contact .contact-lead {
  max-width: 42ch;
  margin: 0 0 32px;
  color: var(--cc-ink-soft);
}

.page-contact .contact-converge {
  width: 100%;
  max-width: 620px;
  margin: 0 0 clamp(30px, 5vw, 48px) auto;
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  background: var(--cream);
  border: var(--cc-b1) solid var(--ink);
  box-shadow: var(--shadow-hard);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .contact-channel:nth-child(2) {
  border-width: var(--cc-b2);
}

.page-contact .contact-channel:nth-child(3) {
  border-width: var(--cc-b3);
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  transform: translateY(-2px);
  box-shadow: 9px 11px 0 0 var(--ink);
}

.page-contact .contact-channel__index {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-contact .contact-channel h3 {
  margin: 0;
}

.page-contact .contact-channel__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__label {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cc-ink-faint);
}

.page-contact .contact-channel__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(122, 90, 40, 0.34);
  font-size: 13px;
  line-height: 1.6;
  color: var(--cc-ink-soft);
}

/* ---------- 列表 ---------- */
.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-contact .contact-list li {
  position: relative;
  padding-left: 17px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--cc-ink-soft);
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1.5px;
  background: var(--gold-line);
}

.page-contact .contact-list--on-dark li {
  color: var(--cc-mist-soft);
}

.page-contact .contact-list--on-dark li::before {
  background: var(--cyan);
}

.page-contact .contact-list--on-dark strong {
  color: var(--glow);
  font-weight: 700;
}

/* ---------- 地址分行 ---------- */
.page-contact .contact-addr {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  font-family: var(--font-num);
  font-style: normal;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .contact-addr__line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-addr__line::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  background: var(--signal);
}

.page-contact .contact-addr--on-dark {
  padding-left: 18px;
  border-left: 3px solid var(--amber);
  font-size: 16px;
  color: var(--glow);
}

.page-contact .contact-addr--on-dark .contact-addr__line::before {
  background: var(--cyan);
}

/* ---------- 邮箱沟通 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-contact .contact-split__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .contact-split__body .prose {
  max-width: 46ch;
  margin: 0;
}

.page-contact .contact-split__body a {
  color: var(--cyan);
}

.page-contact .contact-inline-link {
  align-self: flex-start;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
}

/* ---------- 电话与回拨 ---------- */
.page-contact .contact-call {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
  margin-top: 28px;
}

.page-contact .contact-call__panel {
  padding: 26px 24px 28px;
  background: var(--amber);
  border: var(--cc-b1) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-call__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(42, 33, 24, 0.68);
}

.page-contact .contact-call__num {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: clamp(30px, 7vw, 44px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-call__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(42, 33, 24, 0.8);
}

.page-contact .contact-flow {
  border: var(--cc-b3) solid var(--ink);
  background: rgba(42, 33, 24, 0.04);
}

.page-contact .contact-flow summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 22px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .contact-flow summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--signal);
}

.page-contact .contact-flow[open] summary::after {
  content: "−";
}

.page-contact .contact-flow__list {
  list-style: none;
  margin: 0;
  padding: 0 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-flow__list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cc-ink-soft);
  overflow-wrap: anywhere;
}

.page-contact .contact-flow__idx {
  flex: none;
  align-self: flex-start;
  padding: 3px 7px;
  background: var(--star);
  color: var(--amber);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 办公地址区块 ---------- */
.page-contact .contact-addr-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 28px;
}

.page-contact .contact-addr__note {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .contact-addr__note .prose {
  max-width: 46ch;
  margin: 0;
}

/* ---------- 需求分流 ---------- */
.page-contact .contact-routes {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .route-item {
  border: var(--cc-b3) solid rgba(122, 90, 40, 0.5);
  background: rgba(42, 33, 24, 0.03);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .route-item:hover,
.page-contact .route-item[open] {
  border-color: var(--ink);
}

.page-contact .route-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-contact .route-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .route-item summary::after {
  content: "+";
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--gold-line);
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--signal);
}

.page-contact .route-item[open] summary::after {
  content: "−";
  background: var(--signal);
  border-color: var(--signal);
  color: var(--cream);
}

.page-contact .route-item__body {
  padding: 0 20px 22px;
}

.page-contact .route-item__body p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cc-ink-soft);
}

.page-contact .route-item__link {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
}

/* ---------- 备案细条 ---------- */
.page-contact .contact-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  padding: 18px 22px;
  background: var(--glow);
  border: 1px solid var(--gold-line);
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .contact-legal__item {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  overflow-wrap: anywhere;
}

.page-contact .contact-legal__key {
  color: rgba(42, 33, 24, 0.62);
  letter-spacing: 0.1em;
}

/* ---------- 结尾行动 ---------- */
.page-contact .contact-cta {
  padding-top: clamp(52px, 8vw, 96px);
  padding-bottom: clamp(56px, 9vw, 104px);
  border-top: 1px solid var(--cc-hair-dark);
}

.page-contact .contact-cta .display-3 {
  margin: 0 0 18px;
  max-width: 22ch;
}

.page-contact .contact-cta .prose {
  max-width: 48ch;
  margin: 0;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
  }

  .page-contact .contact-call {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
  }

  .page-contact .contact-addr-block {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 54px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero__lead {
    font-size: 18px;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-contact .contact-channel {
    padding: 22px 18px 24px;
  }

  .page-contact .contact-channel__value {
    font-size: 15.5px;
  }

  .page-contact .contact-call__panel {
    padding: 22px 18px 24px;
  }

  .page-contact .contact-legal {
    padding: 16px 16px;
    gap: 10px 20px;
  }

  .page-contact .route-item summary,
  .page-contact .contact-flow summary {
    font-size: 16px;
    padding: 16px 16px;
  }

  .page-contact .route-item__body,
  .page-contact .contact-flow__list {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel,
  .page-contact .route-item {
    transition: none;
  }

  .page-contact .contact-channel:hover,
  .page-contact .contact-channel:focus-within {
    transform: none;
  }
}
</main>