.page-contact {
  --contact-key-col: calc(var(--space-8) * 2.5);
}

/* ---------- 首屏：主色色块 ---------- */
.page-contact .contact-hero {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding-block: var(--space-4) var(--space-8);
}

.page-contact .contact-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-primary-ink) 68%, transparent);
  margin-bottom: var(--space-6);
}

.page-contact .contact-hero .crumbs a {
  color: var(--color-primary-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 45%, transparent);
}

.page-contact .contact-hero .crumbs a:hover,
.page-contact .contact-hero .crumbs a:focus-visible {
  background: var(--color-primary-ink);
  color: var(--color-primary);
  border-bottom-color: transparent;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-contact .contact-hero__copy .eyebrow {
  color: color-mix(in srgb, var(--color-primary-ink) 76%, transparent);
  margin-bottom: var(--space-2);
}

.page-contact .contact-hero__copy h1 {
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: 0 0 var(--space-3);
  color: var(--color-primary-ink);
  max-width: 16ch;
}

.page-contact .contact-hero__intro {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-primary-ink);
}

/* 渠道面板 */
.page-contact .contact-direct {
  background: var(--color-primary-soft);
  color: var(--color-ink);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-radius: var(--radius-md);
}

.page-contact .contact-direct__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-contact .contact-direct__row {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-1) / 2);
  padding-block: var(--space-1);
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-contact .contact-direct__key {
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-contact .contact-direct__val {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  word-break: break-word;
}

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

.page-contact .contact-hero__figure {
  background: var(--color-contrast-surface);
}

/* 场景色块 */
.page-contact .contact-scenes {
  margin-top: var(--space-8);
}

.page-contact .contact-scenes__heading {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-primary-ink) 74%, transparent);
}

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

.page-contact .contact-scene {
  background: var(--color-surface);
  color: var(--color-ink);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-top: var(--border-thick) solid var(--color-primary-ink);
  transition: background-color 160ms linear, color 160ms linear;
}

.page-contact .contact-scene:hover,
.page-contact .contact-scene:focus-within {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-contact .contact-scene__num {
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-accent);
  font-weight: var(--weight-heading);
}

.page-contact .contact-scene:hover .contact-scene__num,
.page-contact .contact-scene:focus-within .contact-scene__num {
  color: var(--color-contrast-accent);
}

.page-contact .contact-scene__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

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

.page-contact .contact-scene:hover .contact-scene__desc,
.page-contact .contact-scene:focus-within .contact-scene__desc {
  color: var(--color-contrast-ink);
}

/* ---------- 渠道明细 ---------- */
.page-contact .contact-detail h2,
.page-contact .contact-match h2,
.page-contact .contact-prep h2,
.page-contact .contact-terms h2,
.page-contact .contact-next h2 {
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: 0 0 var(--space-4);
  max-width: 22ch;
}

.page-contact .contact-detail .eyebrow,
.page-contact .contact-match .eyebrow,
.page-contact .contact-prep .eyebrow,
.page-contact .contact-terms .eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-muted);
}

.page-contact .contact-terms .eyebrow {
  color: color-mix(in srgb, var(--color-primary-ink) 72%, transparent);
}

.page-contact .contact-facts {
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-contact .contact-fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .contact-fact__key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-contact .contact-fact__val {
  margin: 0 0 var(--space-1);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  word-break: break-word;
}

.page-contact .contact-fact__desc {
  margin: 0;
  max-width: 62ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .contact-detail__note {
  margin: var(--space-4) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 场景对照表 ---------- */
.page-contact .contact-match__lead {
  margin: 0 0 var(--space-4);
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .contact-match__scroll {
  overflow-x: auto;
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-contact .contact-match__caption {
  caption-side: top;
  text-align: left;
  padding-block: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-contact .contact-match__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.333;
  color: var(--color-ink-soft);
}

.page-contact .contact-match__table thead th {
  background: var(--color-surface-deep);
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  text-align: left;
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .contact-match__table tbody th {
  text-align: left;
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .contact-match__table td {
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .contact-match__table td:nth-child(2) {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-weight: var(--weight-heading);
  white-space: nowrap;
}

.page-contact .contact-match__table tbody tr:hover th,
.page-contact .contact-match__table tbody tr:hover td {
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-contact .contact-prep__lists {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-contact .contact-prep__item {
  border-top: var(--border-thick) solid var(--color-primary);
  padding-top: var(--space-2);
}

.page-contact .contact-prep__item h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-contact .contact-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-contact .contact-prep__list li {
  position: relative;
  padding-left: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .contact-prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--text-sm) * 0.7);
  width: var(--space-1);
  height: var(--border-thick);
  background: var(--color-accent);
}

.page-contact .contact-prep__figure {
  background: var(--color-contrast-surface);
}

/* ---------- 条款入口 ---------- */
.page-contact .contact-terms__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-contact .contact-term {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-primary-soft);
  color: var(--color-ink);
  text-decoration: none;
  border-radius: var(--radius-md);
  border-bottom: var(--border-thick) solid var(--color-primary-ink);
  transition: background-color 160ms linear, color 160ms linear;
}

.page-contact .contact-term:hover,
.page-contact .contact-term:focus-visible {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom-color: var(--color-contrast-accent);
}

.page-contact .contact-term__label {
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-accent);
  font-weight: var(--weight-heading);
}

.page-contact .contact-term:hover .contact-term__label,
.page-contact .contact-term:focus-visible .contact-term__label {
  color: var(--color-contrast-accent);
}

.page-contact .contact-term__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-contact .contact-term__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .contact-term:hover .contact-term__desc,
.page-contact .contact-term:focus-visible .contact-term__desc {
  color: var(--color-contrast-ink);
}

/* ---------- 出口 ---------- */
.page-contact .contact-next__inner {
  border-top: var(--border-thick) solid var(--color-ink);
  padding-top: var(--space-4);
}

.page-contact .contact-next__inner p {
  margin: 0 0 var(--space-4);
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .contact-next__actions {
  gap: var(--space-2);
}

/* ---------- 焦点 ---------- */
.page-contact a:focus-visible,
.page-contact .contact-scene:focus-within {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-fact {
    grid-template-columns: var(--contact-key-col) minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
  }

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

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

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

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

  .page-contact .contact-hero__grid {
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-contact .contact-hero__copy {
    grid-column: span 5;
  }

  .page-contact .contact-direct {
    grid-column: span 3;
  }

  .page-contact .contact-hero__figure {
    grid-column: span 3;
  }

  .page-contact .contact-hero__copy h1 {
    font-size: var(--text-4xl);
  }

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

  .page-contact .contact-prep__grid {
    grid-template-columns: repeat(11, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: start;
  }

  .page-contact .contact-prep__lists {
    grid-column: span 7;
  }

  .page-contact .contact-prep__figure {
    grid-column: span 4;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__copy h1 {
    max-width: 14ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-scene,
  .page-contact .contact-term {
    transition: none;
  }
}