.page-contact {
  --pc-block-gap: 96px;
  --pc-rail-top: 148px;
  background-color: var(--cream);
}

.page-contact .breadcrumb {
  padding-top: 28px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  max-width: 820px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  color: var(--ink-navy);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 64ch;
  color: var(--graphite);
}

.page-contact .contact-hero__meta {
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 三条渠道卡 ---------- */
.page-contact .contact-channels {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 2px solid var(--ink-navy);
  box-shadow: var(--shadow-hard);
  padding: 26px 22px 22px;
}

.page-contact .channel-card--paper {
  background: var(--paper);
}

.page-contact .channel-card--amber {
  background: var(--amber-light);
}

.page-contact .channel-card--cream {
  background: var(--cream);
}

.page-contact .channel-card > .index-badge {
  align-self: flex-start;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  color: var(--ink-navy);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--gold-deep);
  word-break: break-all;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .channel-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 9px;
  height: 2px;
  background: var(--warm-gold);
}

.page-contact .channel-card .copy-btn {
  align-self: flex-start;
  margin-top: 6px;
  border: 2px solid var(--vermilion);
  background: transparent;
  color: var(--vermilion);
  padding: 9px 16px;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .channel-card .copy-btn:hover,
.page-contact .channel-card .copy-btn:focus-visible {
  background: var(--ink-navy);
  border-color: var(--ink-navy);
  color: var(--cream);
}

/* ---------- 客服场景图 ---------- */
.page-contact .contact-strip {
  margin: 64px 0 0;
  width: 100%;
}

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

/* ---------- 中段三栏 ---------- */
.page-contact .contact-mid__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .qblock__title,
.page-contact .partner-block__title {
  margin: 0 0 8px;
  font-size: 1.375rem;
  letter-spacing: 0.02em;
  color: var(--ink-navy);
}

.page-contact .qblock__lead,
.page-contact .partner-block__lead {
  margin: 0 0 20px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--graphite);
}

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

.page-contact .q-item {
  border: 2px solid var(--ink-navy);
  background: var(--cream);
  box-shadow: var(--shadow-mid);
}

.page-contact .q-item > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 700;
  color: var(--ink-navy);
  list-style: none;
}

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

.page-contact .q-item > summary::marker {
  content: "";
}

.page-contact .q-item > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--gold-deep);
}

.page-contact .q-item[open] > summary {
  border-bottom: 1px dashed var(--hairline);
}

.page-contact .q-item[open] > summary::after {
  content: "\2212";
}

.page-contact .q-item__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  background: var(--ink-navy);
  color: var(--warm-gold);
}

.page-contact .q-item__name {
  font-size: 0.9375rem;
}

.page-contact .q-item__body {
  padding: 14px 16px 18px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .q-item__body p {
  margin: 0 0 10px;
}

.page-contact .q-item__body p:last-child {
  margin-bottom: 0;
}

.page-contact .q-item__body a {
  color: var(--ink-navy);
  text-decoration-color: var(--warm-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .q-item__body a:hover {
  color: var(--gold-deep);
}

.page-contact .q-item__channel {
  font-size: 0.8125rem;
  color: var(--ink-navy);
  border-top: 1px dashed var(--hairline);
  padding-top: 10px;
}

.page-contact .q-item__channel span {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  background: var(--amber-light);
  border: 1px solid var(--gold-deep);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .partner-item {
  border-left: 3px solid var(--warm-gold);
  padding: 2px 0 2px 16px;
}

.page-contact .partner-item__name {
  margin: 0 0 6px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 1rem;
  color: var(--ink-navy);
}

.page-contact .partner-item__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-contact .partner-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .partner-block__media {
  margin: 24px 0 0;
  width: 100%;
}

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

/* ---------- 纵向联系速览条 ---------- */
.page-contact .contact-rail {
  background: var(--ink-navy);
  color: var(--cream);
  border: 2px solid var(--navy-deep);
  box-shadow: var(--shadow-hard);
  padding: 24px 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
}

.page-contact .contact-rail__label {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.28em;
  font-size: 12px;
  color: var(--warm-gold);
  align-self: start;
  margin: 0;
}

.page-contact .contact-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .contact-rail__list a {
  display: block;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(251, 246, 236, 0.28);
  color: var(--cream);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-rail__list a:hover,
.page-contact .contact-rail__list a:focus-visible {
  color: var(--warm-gold);
  border-color: var(--warm-gold);
}

.page-contact .contact-rail__note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(251, 246, 236, 0.2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--amber-light);
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-flow {
  margin-top: 40px;
}

.page-contact .contact-flow__svg {
  display: block;
  width: 100%;
  height: 44px;
  margin-bottom: 20px;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .flow-step {
  border: 2px solid var(--ink-navy);
  background: var(--paper);
}

.page-contact .flow-step > summary {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .flow-step > summary::marker {
  content: "";
}

.page-contact .flow-step__no {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold-deep);
}

.page-contact .flow-step__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-navy);
}

.page-contact .flow-step__hint {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--warm-gold);
  transition: transform 180ms var(--ease);
}

.page-contact .flow-step[open] .flow-step__hint {
  transform: rotate(45deg);
}

.page-contact .flow-step__body {
  padding: 0 14px 16px;
  border-top: 1px dashed var(--hairline);
  margin-top: 6px;
  padding-top: 12px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .flow-step__body p {
  margin: 0 0 8px;
}

.page-contact .flow-step__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 在线时段 ---------- */
.page-contact .contact-hours {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .contact-hours__panel {
  border: 2px solid var(--ink-navy);
  background: var(--amber-light);
  box-shadow: var(--shadow-hard);
  padding: 26px 22px;
  align-self: start;
}

.page-contact .hours-figures {
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-contact .hours-figures > div {
  display: grid;
  gap: 4px;
}

.page-contact .hours-figures dt {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
}

.page-contact .hours-figures dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink-navy);
}

/* ---------- 深墨蓝收尾 ---------- */
.page-contact .contact-closing {
  margin-top: var(--pc-block-gap);
  padding: 64px 0 72px;
  border-top: 6px solid var(--warm-gold);
  background: linear-gradient(158deg, var(--ink-navy) 0%, var(--navy-soft) 100%);
  color: var(--cream);
}

.page-contact .eyebrow--light {
  color: var(--warm-gold);
}

.page-contact .contact-closing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-contact .contact-closing__intro h2 {
  margin: 12px 0 0;
  color: var(--cream);
}

.page-contact .contact-closing__intro p {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(251, 246, 236, 0.84);
}

.page-contact .contact-closing__intro a {
  color: var(--amber-light);
  text-decoration-color: var(--warm-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .contact-closing__intro a:hover {
  color: var(--warm-gold);
}

.page-contact .contact-closing__list {
  margin: 0;
  padding-left: 24px;
  border-left: 2px solid rgba(217, 164, 65, 0.5);
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .contact-closing__row dt {
  margin-bottom: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--warm-gold);
}

.page-contact .contact-closing__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  word-break: break-all;
  color: var(--cream);
}

.page-contact .contact-closing__actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .copy-btn--light {
  border: 2px solid var(--warm-gold);
  background: transparent;
  color: var(--amber-light);
  padding: 10px 18px;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--navy-deep);
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .copy-btn--light:hover,
.page-contact .copy-btn--light:focus-visible {
  background: var(--warm-gold);
  color: var(--navy-deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel-card--paper {
    padding: 34px 26px 28px;
  }

  .page-contact .channel-card--amber {
    padding: 26px 24px 24px;
  }

  .page-contact .channel-card--cream {
    padding: 20px 22px 20px;
  }

  .page-contact .contact-hours {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-closing__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-mid__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 210px;
    gap: 32px;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: var(--pc-rail-top);
  }

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

@media (min-width: 1240px) {
  .page-contact .contact-mid__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 240px;
    gap: 44px;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-strip {
    margin-top: 48px;
  }

  .page-contact .contact-rail {
    grid-template-columns: 1fr;
  }

  .page-contact .contact-rail__label {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    letter-spacing: 0.2em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card .copy-btn,
  .page-contact .copy-btn--light,
  .page-contact .contact-rail__list a,
  .page-contact .flow-step__hint {
    transition: none;
  }

  .page-contact .flow-step[open] .flow-step__hint {
    transform: none;
  }
}