.page-contact {
  --ct-gap: var(--space-2);
  --ct-radius: var(--radius-lg);
}

.page-contact .crumbs {
  padding-top: var(--space-3);
  padding-bottom: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}
.page-contact .crumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
}
.page-contact .crumbs a:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .crumbs > span[aria-hidden] {
  margin: 0 var(--space-1);
  color: var(--color-line);
}
.page-contact .crumbs [aria-current="page"] {
  color: var(--color-ink);
}

/* ---- 底色交替（作用域内兜底，确保章节靠底色分隔） ---- */
.page-contact .bg-plain { background-color: var(--color-surface); }
.page-contact .bg-alt { background-color: var(--color-surface-alt); }
.page-contact .bg-deep { background-color: var(--color-surface-deep); }

.page-contact .ct-band {
  padding-block: var(--space-8);
}
.page-contact .ct-band-lead {
  padding-block: var(--space-6) var(--space-8);
}

/* ---- 章节头 ---- */
.page-contact .ct-head {
  max-width: var(--measure);
}
.page-contact .ct-eyebrow {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}
.page-contact .seq-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: 0;
}

.page-contact h1 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-contact h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}
.page-contact h3 {
  margin: 0 0 4px;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-contact .ct-lede {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-contact .ct-para {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}
.page-contact .ct-note {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-accent);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}
.page-contact .ct-link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-contact .ct-link:hover {
  color: var(--color-accent);
}

/* ---- 渠道总览 Bento ---- */
.page-contact .ct-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: var(--space-6);
}

.page-contact .ct-cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--ct-radius);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
}
.page-contact .ct-cell .cell-kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}
.page-contact .ct-cell .cell-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}
.page-contact .ct-cell .cell-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-contact .ct-channel-value {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-cell.cell-focus {
  background-color: var(--color-primary);
  background-image: radial-gradient(circle at 86% 14%, color-mix(in srgb, var(--color-primary-ink) 24%, transparent) 0, transparent 46%);
  border-color: transparent;
  box-shadow: var(--shadow-2);
}
.page-contact .ct-cell.cell-focus .cell-title,
.page-contact .ct-cell.cell-focus .ct-channel-value {
  color: var(--color-primary-ink);
}
.page-contact .ct-cell.cell-focus .cell-kicker {
  color: color-mix(in srgb, var(--color-primary-ink) 74%, transparent);
}
.page-contact .ct-cell.cell-focus .cell-text {
  color: color-mix(in srgb, var(--color-primary-ink) 90%, transparent);
}

.page-contact .ct-cell.cell-dark {
  background-color: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
}
.page-contact .ct-cell.cell-dark .cell-title,
.page-contact .ct-cell.cell-dark .ct-channel-value {
  color: var(--color-contrast-ink);
}
.page-contact .ct-cell.cell-dark .cell-kicker {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}
.page-contact .ct-cell.cell-dark .cell-text {
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-contact .ct-chip-list {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.page-contact .ct-chip-list li {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  transition: background-color 160ms ease, transform 160ms ease, opacity 160ms ease;
}
.page-contact .ct-cell.cell-focus .ct-chip-list li {
  background-color: color-mix(in srgb, var(--color-primary-ink) 24%, transparent);
  color: var(--color-primary-ink);
}
.page-contact .ct-cell.cell-dark .ct-chip-list li {
  background-color: color-mix(in srgb, var(--color-contrast-ink) 14%, transparent);
  color: var(--color-contrast-ink);
}

/* ---- 图片衬底 ---- */
.page-contact .figure-frame {
  margin: 0;
  padding: var(--space-1);
  border-radius: var(--ct-radius);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
}
.page-contact .figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}
.page-contact .figure-cap {
  padding: var(--space-1) var(--space-1) 0;
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---- 邮件通道 ---- */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
.page-contact .ct-issue-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.page-contact .ct-issue-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  transition: border-color 160ms ease;
}
.page-contact .ct-issue-list > li:nth-child(even) {
  background-color: var(--color-surface-deep);
}
.page-contact .ct-issue-list > li:hover {
  border-color: var(--color-primary);
}
.page-contact .ct-issue-list p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-contact .ct-idx {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
}

.page-contact .ct-panel {
  padding: var(--space-3);
  border-radius: var(--ct-radius);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-1);
}
.page-contact .ct-panel-note {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}
.page-contact .ct-prep {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.page-contact .ct-prep li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-contact .ct-prep li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .ct-prep .mono {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
}
.page-contact .ct-prep strong {
  font-size: var(--text-base);
  color: var(--color-ink);
}
.page-contact .ct-prep span:last-child {
  grid-column: 2;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---- 电话通道 ---- */
.page-contact .ct-phone-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.page-contact .ct-phone-num {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.01em;
  color: var(--color-primary);
  overflow-wrap: anywhere;
}
.page-contact .ct-phone-list {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.page-contact .ct-phone-list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}
.page-contact .ct-phone-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 12px;
  height: 2px;
  background-color: var(--color-primary);
}

.page-contact .ct-scale-card {
  padding: var(--space-3);
  border-radius: var(--ct-radius);
  border: var(--border-thin) solid var(--color-contrast-line);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}
.page-contact .ct-scale-label {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}
.page-contact .ct-scale {
  height: 20px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-contrast-line);
  background-color: color-mix(in srgb, var(--color-contrast-ink) 10%, transparent);
  background-image: repeating-linear-gradient(90deg, var(--color-contrast-line) 0 1px, transparent 1px 28px);
  overflow: hidden;
  margin-bottom: var(--space-2);
}
.page-contact .ct-scale-fill {
  display: block;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(90deg, var(--color-primary), var(--color-contrast-accent));
  opacity: 0.9;
}
.page-contact .ct-scale-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}
.page-contact .ct-scale-legend li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-1);
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}
.page-contact .ct-dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 0.55em;
  border-radius: 50%;
  background-color: var(--color-contrast-accent);
}
.page-contact .ct-dot-off {
  background-color: var(--color-contrast-line);
}
.page-contact .ct-scale-foot {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* ---- 地址与备案 ---- */
.page-contact .ct-reg-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
.page-contact .ct-dl {
  margin: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
}
.page-contact .ct-dl-row {
  display: grid;
  gap: 2px;
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-contact .ct-dl dt {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}
.page-contact .ct-dl dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}
.page-contact .ct-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.03em;
}
.page-contact .ct-bound {
  padding: var(--space-3);
  border-radius: var(--ct-radius);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
}
.page-contact .ct-bound-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.page-contact .ct-bound-list li {
  display: grid;
  gap: 4px;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-primary);
}
.page-contact .ct-bound-list li:nth-child(2) {
  border-left-color: var(--color-accent);
}
.page-contact .ct-bound-list li:nth-child(3) {
  border-left-color: var(--color-line);
}
.page-contact .ct-bound-list strong {
  font-size: var(--text-sm);
  color: var(--color-ink);
}
.page-contact .ct-bound-list span {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---- 响应节奏与核对准备 ---- */
.page-contact .ct-flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
.page-contact .ct-check {
  list-style: none;
  margin: var(--space-3) 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-check li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: background-color 160ms ease;
}
.page-contact .ct-check li:hover {
  background-color: var(--color-primary-soft);
}
.page-contact .ct-check p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-contact .ct-check-idx {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}
.page-contact .ct-tail-note {
  margin: 0;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-deep);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
}
.page-contact .ct-flow-fig {
  order: -1;
}

@media (min-width: 700px) {
  .page-contact .ct-band { padding-block: var(--section-y); }
  .page-contact .ct-band-lead { padding-block: var(--space-8) var(--section-y); }
  .page-contact .ct-grid { gap: var(--space-3); }
  .page-contact .ct-split { gap: var(--space-6); }
  .page-contact .ct-phone-grid { gap: var(--space-6); }
  .page-contact .ct-reg-grid { gap: var(--space-6); }
  .page-contact .ct-flow-grid { gap: var(--space-6); }
  .page-contact .ct-dl-row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-2);
  }
}

@media (min-width: 960px) {
  .page-contact h1 {
    font-size: var(--text-4xl);
    max-width: 26ch;
  }
  .page-contact .ct-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-3);
  }
  .page-contact .ct-cell-mail { grid-column: 1 / 9; }
  .page-contact .ct-cell-phone { grid-column: 9 / 13; }
  .page-contact .ct-cell-addr { grid-column: 1 / 7; }
  .page-contact .ct-net { grid-column: 7 / 13; }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-contact .ct-panel {
    position: sticky;
    top: var(--space-6);
  }
  .page-contact .ct-phone-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-contact .ct-reg-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-contact .ct-flow-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-contact .ct-flow-fig { order: 0; position: sticky; top: var(--space-6); }
}

@media (min-width: 1180px) {
  .page-contact .ct-cell-mail { grid-column: 1 / 5; grid-row: 1 / 3; }
  .page-contact .ct-cell-phone { grid-column: 5 / 9; grid-row: 1; }
  .page-contact .ct-cell-addr { grid-column: 9 / 13; grid-row: 1; }
  .page-contact .ct-net { grid-column: 5 / 13; grid-row: 2; }
}

@media (hover: hover) and (pointer: fine) {
  .page-contact .ct-cell .ct-chip-list li {
    opacity: 0.55;
    transform: translateY(2px);
  }
  .page-contact .ct-cell:hover .ct-chip-list li,
  .page-contact .ct-cell:focus-within .ct-chip-list li {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chip-list li,
  .page-contact .ct-issue-list > li,
  .page-contact .ct-check li {
    transition: none;
  }
}
>>>