.page-contact {
  --pc-card-pad: var(--space-3);
  --pc-row-line: var(--border-thin) solid var(--color-line);
}

.page-contact .crumbs {
  padding-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-contact .crumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .crumb-sep {
  margin-inline: var(--space-1);
  color: var(--color-line);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-block: var(--space-6) var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 var(--space-2);
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-contact .contact-hero .lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
}

.page-contact .hero-facts {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0 0;
  border-top: var(--pc-row-line);
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

.page-contact .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-contact .fact-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-contact .fact-value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-ink);
  padding-left: var(--space-1);
  border-left: var(--border-thin) solid var(--color-primary);
  overflow-wrap: anywhere;
}

/* ---------- 通用标题 ---------- */

.page-contact h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 24ch;
}

.page-contact h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: calc(var(--text-base) * 1.2);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-contact .section .lede {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
}

.page-contact .note {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
}

/* ---------- 渠道分流 ---------- */

.page-contact .section-head {
  display: grid;
  gap: var(--space-4);
  align-items: start;
  margin-bottom: var(--space-4);
}

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

.page-contact .section-figure img,
.page-contact .addr-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
}

.page-contact .figure-cap {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--pc-card-pad);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  transition: transform 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateX(1px);
  border-color: var(--color-accent);
  background: var(--color-highlight);
}

.page-contact .channel-idx {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

.page-contact .channel:hover .channel-idx,
.page-contact .channel:focus-within .channel-idx {
  color: var(--color-accent);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-ink);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .channel-desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .channel-scope {
  margin: 0;
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  transition: border-color 140ms var(--ease), color 140ms var(--ease);
}

.page-contact .channel:hover .channel-scope,
.page-contact .channel:focus-within .channel-scope {
  border-left-color: var(--color-accent);
  color: var(--color-ink);
}

.page-contact .channel-tip {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-contact .channel--phone {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-contact .channel--phone:hover,
.page-contact .channel--phone:focus-within {
  background: var(--color-primary);
  border-color: var(--color-contrast-accent);
}

.page-contact .channel--phone h3,
.page-contact .channel--phone .channel-value {
  color: var(--color-primary-ink);
}

.page-contact .channel--phone .channel-idx,
.page-contact .channel--phone .channel-desc,
.page-contact .channel--phone .channel-tip {
  color: color-mix(in srgb, var(--color-primary-ink) 82%, var(--color-primary));
}

.page-contact .channel--phone:hover .channel-idx,
.page-contact .channel--phone:focus-within .channel-idx {
  color: var(--color-contrast-accent);
}

.page-contact .channel--phone .channel-scope {
  border-left-color: color-mix(in srgb, var(--color-primary-ink) 45%, var(--color-primary));
  color: color-mix(in srgb, var(--color-primary-ink) 92%, var(--color-primary));
}

.page-contact .channel--phone:hover .channel-scope,
.page-contact .channel--phone:focus-within .channel-scope {
  border-left-color: var(--color-contrast-accent);
  color: var(--color-primary-ink);
}

/* ---------- 对照表 ---------- */

.page-contact .table-wrap {
  margin-top: var(--space-4);
  overflow-x: auto;
}

.page-contact .data-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-contact .data-table th,
.page-contact .data-table td {
  padding: var(--space-2);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--pc-row-line);
  line-height: var(--leading-body);
}

.page-contact .data-table thead th {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  border-bottom: var(--border-thin) solid var(--color-ink-muted);
  white-space: nowrap;
}

.page-contact .data-table tbody th {
  font-weight: var(--weight-body);
  color: var(--color-ink);
}

.page-contact .data-table tbody td {
  color: var(--color-ink-soft);
}

.page-contact .data-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-contact .data-table tbody tr:hover {
  background: var(--color-primary-soft);
}

.page-contact .data-table .num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-accent);
  white-space: nowrap;
}

/* ---------- 地址与备案 ---------- */

.page-contact .contact-addr {
  border-top: var(--pc-row-line);
  border-bottom: var(--pc-row-line);
}

.page-contact .addr-grid {
  align-items: start;
}

.page-contact .addr-list {
  margin: var(--space-4) 0 0;
  padding: 0;
}

.page-contact .addr-row {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-2);
  border-top: var(--pc-row-line);
}

.page-contact .addr-row dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-contact .addr-row dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.page-contact .addr-figure {
  margin: var(--space-4) 0 0;
}

/* ---------- 准备清单 ---------- */

.page-contact .prep-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}

.page-contact .prep-item {
  border-top: var(--pc-row-line);
}

.page-contact .prep-label {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding-block: var(--space-2);
  cursor: pointer;
}

.page-contact .prep-check {
  width: var(--space-2);
  height: var(--space-2);
  margin: calc(var(--space-1) / 2) 0 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.page-contact .prep-check:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-contact .prep-idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  padding-inline: var(--space-1);
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  letter-spacing: 0.06em;
  transition: background-color 140ms var(--ease);
}

.page-contact .prep-item:hover .prep-idx {
  background: var(--color-accent);
}

.page-contact .prep-text {
  display: block;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .prep-text strong {
  display: block;
  margin-bottom: calc(var(--space-1) / 4);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

/* ---------- 先行自查入口 ---------- */

.page-contact .next-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}

.page-contact .next-list li {
  padding-block: var(--space-2);
  border-top: var(--pc-row-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .next-list a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .next-list a:hover,
.page-contact .next-list a:focus-visible {
  color: var(--color-accent);
}

/* ---------- 收口带 ---------- */

.page-contact .contact-outro h2 {
  color: var(--color-contrast-ink);
  max-width: 20ch;
}

.page-contact .contact-outro p {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  color: var(--color-contrast-ink);
}

.page-contact .contact-outro .outro-line {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.04em;
  color: var(--color-contrast-accent);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .addr-row {
    grid-template-columns: 8em minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-4);
  }

  .page-contact .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: var(--space-8) var(--space-6);
  }

  .page-contact .contact-hero h1 {
    font-size: var(--text-2xl);
    max-width: 22ch;
  }

  .page-contact h2 {
    font-size: var(--text-xl);
  }

  .page-contact .section-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--space-6);
    align-items: end;
  }

  .page-contact .addr-figure {
    margin-top: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel-scope,
  .page-contact .prep-idx {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .channel:focus-within {
    transform: none;
  }
}