.page-contact {
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-top: var(--space-3);
}

/* ---------- 首段 ---------- */
.page-contact .contact-lead {
  padding-top: var(--space-4);
}

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

.page-contact .contact-lead__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-contact .contact-lead__kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--color-accent);
}

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

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

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

.page-contact .contact-lead__figure {
  margin: 0;
}

.page-contact .contact-lead__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
}

.page-contact .contact-lead__figure figcaption {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dotted var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

/* ---------- 区块标题 ---------- */
.page-contact .contact-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-contact .folio {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-contact .contact-head h2 {
  margin: 0 0 var(--space-2);
  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-head__note {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .section--deep .folio {
  color: var(--color-contrast-accent);
}

.page-contact .section--deep .contact-head h2 {
  color: var(--color-contrast-ink);
}

.page-contact .section--deep .contact-head__note {
  color: var(--color-contrast-ink);
  opacity: 0.76;
}

/* ---------- 渠道概览：共用一条纵向轴 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding-left: var(--space-4);
  display: grid;
  gap: var(--space-4);
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--color-primary);
}

.page-contact .channel {
  position: relative;
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-4) + 2px);
  top: var(--space-3);
  width: 9px;
  height: 9px;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  background: var(--color-surface);
  transition: box-shadow 0.16s ease, background-color 0.16s ease;
}

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

.page-contact .channel:hover::after,
.page-contact .channel:focus-within::after {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}

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

.page-contact .channel__label {
  margin: 0 0 var(--space-2);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-contact .channel__label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

.page-contact .channel__value {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.02em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .channel__use {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-contact .channel__use li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  transition: color 0.16s ease;
}

.page-contact .channel__use li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--color-line);
  transition: background-color 0.16s ease;
}

.page-contact .channel:hover .channel__use li,
.page-contact .channel:focus-within .channel__use li {
  color: var(--color-ink);
}

.page-contact .channel:hover .channel__use li::before,
.page-contact .channel:focus-within .channel__use li::before {
  background: var(--color-primary);
}

.page-contact .channel__scale {
  padding-top: var(--space-2);
  border-top: 1px dotted var(--color-line);
}

.page-contact .channel__scale-axis {
  position: relative;
  height: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-alt);
  background-image: repeating-linear-gradient(90deg, var(--color-line) 0 1px, transparent 1px 14px);
  overflow: hidden;
}

.page-contact .channel__scale-fill {
  display: block;
  height: 100%;
  background: var(--color-primary);
}

.page-contact .channel__scale-fill--mail {
  width: 42%;
}

.page-contact .channel__scale-fill--phone {
  width: 84%;
}

.page-contact .channel__scale-cap {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-contact .channel__toggle {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-contact .channel .collapse-panel p {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 62ch;
}

/* ---------- 邮件渠道 ---------- */
.page-contact .mail-grid {
  display: grid;
  gap: var(--space-6);
}

.page-contact .mail-address {
  align-self: start;
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-primary);
}

.page-contact .mail-address__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-contact .mail-address__value {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.02em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  user-select: all;
}

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

.page-contact .mail-address__meta a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

.page-contact .mail-steps {
  list-style: none;
  counter-reset: mailstep;
  margin: 0;
  padding: 0;
  border-top: 1px dotted var(--color-line);
}

.page-contact .mail-steps li {
  counter-increment: mailstep;
  position: relative;
  padding: var(--space-3) 0;
  padding-left: calc(var(--space-6) + var(--space-1));
  border-bottom: 1px dotted var(--color-line);
}

.page-contact .mail-steps li::before {
  content: "0" counter(mailstep);
  position: absolute;
  left: 0;
  top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-contact .mail-steps__title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

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

/* ---------- 电话与函件 ---------- */
.page-contact .reach-grid {
  display: grid;
  gap: var(--space-6);
}

.page-contact .reach-list {
  display: grid;
  gap: 0;
}

.page-contact .reach-item {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-line);
}

.page-contact .reach-item:first-child {
  border-top: 2px solid var(--color-primary);
  padding-top: var(--space-3);
}

.page-contact .reach-item__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-contact .reach-item__value {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  user-select: all;
}

.page-contact .reach-item__desc {
  margin: 0;
  max-width: 66ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-contact .reach-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
}

.page-contact .reach-figure figcaption {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dotted var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

/* ---------- 深色收口：无法处理的请求 ---------- */
.page-contact .reject-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px dotted var(--color-contrast-line);
}

.page-contact .reject-list li {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px dotted var(--color-contrast-line);
}

.page-contact .reject-list__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

.page-contact .reject-list__title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-contrast-ink);
}

.page-contact .reject-list__desc {
  margin: 0;
  max-width: 68ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-contact .reject-foot {
  margin: var(--space-4) 0 var(--space-2);
  max-width: 68ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.85;
}

.page-contact .reject-links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.page-contact .reject-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 4px;
}

.page-contact .reject-links a:hover,
.page-contact .reject-links a:focus-visible {
  color: var(--color-contrast-accent);
  outline: none;
  text-decoration-style: solid;
}

.page-contact .reject-links a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-lead__kicker {
    font-size: var(--text-sm);
  }

  .page-contact .mail-steps li {
    padding-left: calc(var(--space-6) + var(--space-4));
  }

  .page-contact .reject-list li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-lead {
    padding-top: var(--space-6);
  }

  .page-contact .contact-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: end;
  }

  .page-contact .contact-lead h1 {
    font-size: var(--text-3xl);
  }

  .page-contact .contact-lead__lede {
    font-size: var(--text-lg);
  }

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

  .page-contact .channel {
    padding: var(--space-4);
  }

  .page-contact .channel::after {
    top: var(--space-4);
  }

  .page-contact .channel__value {
    font-size: var(--text-lg);
  }

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

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
  }

  .page-contact .mail-address__value {
    font-size: var(--text-lg);
  }

  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-channels {
    padding-left: var(--space-3);
  }

  .page-contact .contact-channels::before {
    left: 4px;
  }

  .page-contact .channel::after {
    left: calc(-1 * var(--space-3) + 1px);
  }
}