.page-contact {
  background: var(--color-surface);
  color: var(--color-ink);
  overflow-x: hidden;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding-top: var(--space-4);
  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,
.page-contact .crumbs a:focus-visible {
  color: var(--color-accent);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: var(--space-6) var(--space-8);
}

.page-contact .hero-grid {
  display: grid;
  gap: var(--space-6);
  align-items: end;
}

.page-contact h1 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: var(--space-3) 0 0;
  max-width: 24ch;
}

.page-contact .hero-copy .prose__lead {
  margin-top: var(--space-3);
  max-width: 54ch;
  color: var(--color-ink-soft);
}

.page-contact .hero-points {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  max-width: 56ch;
}

.page-contact .hero-points li {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-contact .hero-points .mono {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
  letter-spacing: 0;
}

.page-contact .hero-fig {
  margin: 0;
}

@media (min-width: 640px) {
  .page-contact .hero-points li {
    grid-template-columns: 148px 1fr;
    align-items: baseline;
    gap: var(--space-3);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: var(--space-8) var(--section-y);
  }
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: var(--space-8);
  }
}

/* ---------- 章节头 ---------- */
.page-contact .section-head {
  margin-bottom: var(--space-6);
  max-width: var(--measure);
}

.page-contact h2 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: var(--space-3) 0 var(--space-2);
  max-width: 26ch;
}

.page-contact .section-head__note {
  margin: 0;
  max-width: 54ch;
  color: var(--color-ink-soft);
}

/* ---------- 渠道总览 ---------- */
.page-contact .channels-section {
  position: relative;
  isolation: isolate;
}

.page-contact .channels-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  opacity: 0.12;
}

.page-contact .channels-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .channels {
  display: grid;
  gap: var(--space-2);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  min-height: 268px;
  transition: background-color 180ms ease, color 180ms ease;
}

.page-contact .channel h3 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  margin: 0;
}

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

.page-contact .channel__sla {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid currentColor;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  opacity: 0.85;
}

.page-contact .channel--mail .spec-label {
  color: var(--color-contrast-accent);
}

.page-contact .channel--phone .spec-label,
.page-contact .channel--ticket .spec-label {
  color: var(--color-primary-ink);
  opacity: 0.82;
}

@media (hover: hover) and (min-width: 900px) {
  .page-contact .channel__sla {
    opacity: 0;
    transition: opacity 180ms ease;
  }
  .page-contact .channel:hover {
    background: var(--color-primary);
    color: var(--color-primary-ink);
  }
  .page-contact .channel:hover h3,
  .page-contact .channel:hover .spec-label {
    color: var(--color-primary-ink);
    opacity: 1;
  }
  .page-contact .channel:hover .channel__sla {
    opacity: 1;
  }
}

@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 0.7fr) minmax(0, 1.45fr);
  }
}

/* ---------- 响应时段与顺序 ---------- */
.page-contact .sla-grid {
  display: grid;
  gap: var(--space-8);
}

.page-contact .scale {
  display: flex;
  justify-content: space-between;
  gap: var(--space-1);
  margin-top: var(--space-6);
  padding-top: var(--space-2);
  border-top: var(--border-thick) solid var(--color-primary);
}

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

.page-contact .sla-note {
  margin: var(--space-3) 0 0;
  max-width: 52ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .order-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  counter-reset: order;
  display: grid;
  gap: var(--space-3);
}

.page-contact .order-list li {
  counter-increment: order;
  position: relative;
  padding-left: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .order-list li::before {
  content: counter(order, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.page-contact .order-list strong {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
}

.page-contact .order-list span {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

@media (min-width: 900px) {
  .page-contact .sla-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
    gap: var(--space-8);
  }
}

/* ---------- 提交前准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-contact .prep-item label {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3);
  background: var(--color-surface-alt);
  cursor: pointer;
  transition: background-color 180ms ease;
}

.page-contact .prep-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .prep-item__badge {
  position: relative;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  transition: background-color 180ms ease, color 180ms ease;
}

.page-contact .prep-item__badge::after {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-deep);
  transition: background-color 180ms ease;
}

.page-contact .prep-item__body {
  display: grid;
  gap: var(--space-1);
}

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

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

.page-contact .prep-item input:checked + .prep-item__badge {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-contact .prep-item input:checked + .prep-item__badge::after {
  background: var(--color-primary);
}

.page-contact .prep-item input:focus-visible + .prep-item__badge {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-contact .prep-item label:has(input:checked) {
  background: var(--color-primary-soft);
}

@media (min-width: 760px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

/* ---------- 公示信息 ---------- */
.page-contact .contact-disclosure {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-contact .disclosure-grid {
  display: grid;
  gap: var(--space-6);
}

.page-contact .disclosure-intro h2 {
  color: var(--color-contrast-ink);
}

.page-contact .disclosure-intro p {
  margin: 0 0 var(--space-3);
  max-width: 46ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-contact .disclosure-intro a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .disclosure-intro a:hover,
.page-contact .disclosure-intro a:focus-visible {
  color: var(--color-contrast-ink);
}

.page-contact .disclosure-list {
  margin: 0;
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-contact .disclosure-row {
  display: grid;
  gap: var(--space-1);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-contact .disclosure-row dt {
  color: var(--color-contrast-accent);
  margin: 0;
}

.page-contact .disclosure-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  word-break: break-word;
}

.page-contact .disclosure-row--text dd {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
}

.page-contact .disclosure-note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: var(--space-4);
  border-top: var(--border-thick) solid var(--color-contrast-accent);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

@media (min-width: 900px) {
  .page-contact .disclosure-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 4fr);
    gap: var(--space-8);
  }
}

/* ---------- 出口 ---------- */
.page-contact .exit-section {
  padding-block: var(--section-y-lg);
}

.page-contact .exit-grid {
  display: grid;
  gap: var(--space-4);
  align-items: end;
}

.page-contact .exit-copy {
  margin: 0;
  max-width: 52ch;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-contact .exit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (min-width: 800px) {
  .page-contact .exit-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
    gap: var(--space-8);
  }
  .page-contact .exit-actions {
    justify-content: flex-end;
  }
}