.page-contact {
  display: block;
}

/* ============ 首屏 ============ */
.page-contact .contact-lead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.page-contact .contact-lead__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

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

.page-contact .contact-lead__text .lead {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-contact .contact-lead__media {
  min-width: 0;
}

.page-contact .contact-lead__media img,
.page-contact .visit-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ 通用小节标题 ============ */
.page-contact .contact-section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  max-width: var(--measure);
}

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

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

/* ============ 三张渠道块 ============ */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: transform 0.26s ease, box-shadow 0.26s ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-contact .channel--focus {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: 0 18px 44px color-mix(in srgb, var(--color-primary) 32%, transparent);
  outline: var(--border-thin) solid color-mix(in srgb, var(--color-focus) 55%, transparent);
  outline-offset: 3px;
  animation: contact-breath 1.6s ease-in-out infinite;
}

.page-contact .channel__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

.page-contact .channel__kicker {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-contact .channel__index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

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

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--color-accent);
  word-break: break-all;
  overflow-wrap: anywhere;
}

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

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

.page-contact .channel__tags {
  margin-top: auto;
  padding-top: var(--space-2);
}

.page-contact .channel .chip {
  font-size: var(--text-sm);
}

.page-contact .channel--focus .channel__kicker {
  color: color-mix(in srgb, var(--color-primary-ink) 80%, transparent);
}

.page-contact .channel--focus .channel__index {
  color: color-mix(in srgb, var(--color-primary-ink) 62%, transparent);
}

.page-contact .channel--focus .channel__value {
  color: var(--color-primary-ink);
}

.page-contact .channel--focus .channel__text {
  color: color-mix(in srgb, var(--color-primary-ink) 88%, transparent);
}

.page-contact .channel--focus .channel__text a {
  color: var(--color-primary-ink);
}

.page-contact .channel--focus .chip {
  background: color-mix(in srgb, var(--color-primary-ink) 20%, transparent);
  color: var(--color-primary-ink);
}

/* ============ 材料清单 ============ */
.page-contact .materials-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.page-contact .materials__aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

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

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

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .checklist__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border-radius: var(--radius-sm);
  background: var(--color-highlight);
  color: var(--color-accent);
  font-size: var(--text-sm);
  line-height: 1;
  flex: none;
}

.page-contact .checklist__body {
  min-width: 0;
}

.page-contact .checklist__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

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

/* ============ 回复时段 ============ */
.page-contact .timing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-primary-soft);
  border-radius: var(--radius-lg);
}

.page-contact .timing__lead {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.page-contact .timing__figure {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

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

.page-contact .timing__rows {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-contact .timing__rows .data-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 22%, transparent);
}

.page-contact .timing__rows .data-row:last-child {
  border-bottom: 0;
}

.page-contact .timing__rows .data-row__key {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-contact .timing__rows .data-row__value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
  text-align: right;
}

/* ============ 合作与媒体 ============ */
.page-contact .coop-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-contact .coop {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-1);
}

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

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

.page-contact .coop__meta {
  margin: auto 0 0;
  padding-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  border-top: var(--border-thin) solid var(--color-line);
}

/* ============ 到访地址 ============ */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.page-contact .visit-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.page-contact .visit-card__addr {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

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

.page-contact .visit-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-1);
}

.page-contact .visit-media {
  min-width: 0;
}

/* ============ 反色更新条 ============ */
.page-contact .contact-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
}

.page-contact .contact-strip__pulse {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  min-width: 0;
}

.page-contact .contact-strip__dot {
  flex: none;
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-contrast-accent) 24%, transparent);
  animation: contact-pulse 1.8s ease-in-out infinite;
}

.page-contact .contact-strip__week {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-contact .contact-strip__legal {
  margin: 0;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

/* ============ 出口 ============ */
.page-contact .contact-exit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
}

.page-contact .contact-exit__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.page-contact .contact-exit__text p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

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

/* ============ 动效 ============ */
@keyframes contact-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

@keyframes contact-breath {
  0%,
  100% {
    outline-color: color-mix(in srgb, var(--color-focus) 55%, transparent);
  }
  50% {
    outline-color: color-mix(in srgb, var(--color-focus) 12%, transparent);
  }
}

/* ============ 断点 ============ */
@media (min-width: 640px) {
  .page-contact .channel__value {
    font-size: var(--text-lg);
  }

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

  .page-contact .coop:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-h1 {
    font-size: var(--text-2xl);
  }

  .page-contact .contact-h2 {
    font-size: var(--text-2xl);
  }

  .page-contact .contact-lead-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-8);
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.4fr 1fr 1.2fr;
    align-items: stretch;
  }

  .page-contact .materials-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--space-8);
  }

  .page-contact .timing {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-6);
    padding: var(--space-6);
  }

  .page-contact .coop-list {
    grid-template-columns: 5fr 4fr 3fr;
    align-items: stretch;
  }

  .page-contact .coop:first-child {
    grid-column: auto;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-6);
  }

  .page-contact .visit-card {
    padding: var(--space-6);
  }

  .page-contact .contact-strip {
    grid-template-columns: minmax(0, 1.7fr) auto auto;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-4) var(--space-6);
  }

  .page-contact .contact-strip__legal {
    padding-top: 0;
    border-top: 0;
    border-left: var(--border-thin) solid var(--color-contrast-line);
    padding-left: var(--space-4);
  }

  .page-contact .contact-exit {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-6);
    padding: var(--space-6);
  }
}

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

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

  .page-contact .channel--focus {
    animation: none;
    outline-color: var(--color-focus);
  }

  .page-contact .contact-strip__dot {
    animation: none;
  }
}