.page-contact {
  --pc-accent: var(--cyan);
  --pc-hero-lines: rgba(0, 224, 208, .1);
}

.page-contact .breadcrumb {
  margin-top: 20px;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 10px;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -30px;
  width: min(560px, 78vw);
  height: 200px;
  background: repeating-linear-gradient(
    112deg,
    var(--pc-hero-lines) 0 1px,
    transparent 1px 28px
  );
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .eyebrow {
  margin: 0 0 10px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--sans);
  font-size: clamp(30px, 8vw, 62px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .hero-lede {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .jump-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 2px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-line);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .jump-list a:hover,
.page-contact .jump-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .jump-k {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
}

/* 联系信息 */
.page-contact .channels-grid {
  display: grid;
  gap: 28px;
}

.page-contact .channel-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-ticket {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 18px 18px 22px;
  border: 1px solid var(--grid-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-press);
  transition: transform .18s var(--ease);
}

.page-contact .channel-ticket::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pc-accent);
}

.page-contact .channel-ticket:hover {
  transform: translateY(-2px);
}

.page-contact .channel-ticket--mail { --pc-accent: var(--cyan); }
.page-contact .channel-ticket--phone { --pc-accent: var(--violet); }
.page-contact .channel-ticket--hours { --pc-accent: var(--amber); }

.page-contact .channel-label {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .channel-value {
  font-size: clamp(19px, 4.8vw, 26px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel-value--mono {
  font-family: var(--mono);
  font-size: clamp(15px, 3.8vw, 19px);
  color: var(--cyan);
}

.page-contact .channel-value--numeric {
  font-family: var(--serif);
  font-size: clamp(23px, 6vw, 34px);
  color: var(--amber);
  letter-spacing: .01em;
}

.page-contact .channel-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .media-frame {
  margin: 0;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 自查步骤 */
.page-contact .selfcheck {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .selfcheck-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--grid-line);
}

.page-contact .selfcheck-item:last-child {
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .selfcheck-num {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.3;
  color: var(--violet);
}

.page-contact .selfcheck-title {
  margin: 0 0 6px;
  font-family: var(--sans);
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .selfcheck-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px 24px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--grid-line);
}

/* 邮件要点 */
.page-contact .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .checklist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 1px;
  background: var(--pc-accent);
}

.page-contact .tabpanel {
  outline-offset: 4px;
}

.page-contact .mail-note {
  margin: 26px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--pc-accent);
  background: var(--ink-3);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 208, .4);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 备案登记 */
.page-contact .registry-grid {
  display: grid;
  gap: 26px;
}

.page-contact .registry {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--press);
  background: linear-gradient(180deg, var(--ink-2), var(--ink-3));
  box-shadow: var(--shadow-press);
}

.page-contact .registry::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: linear-gradient(225deg, var(--ink) 50%, transparent 50%);
  border-left: 1px solid var(--press);
  border-bottom: 1px solid var(--press);
}

.page-contact .registry-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .registry-value {
  margin: 6px 0 18px;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .registry-value--mono {
  font-family: var(--mono);
  color: var(--amber);
}

.page-contact .registry-note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--grid-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .back-trace {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 30px;
  padding: 16px 20px;
  border-left: 3px solid var(--amber);
  background: var(--ink-2);
}

.page-contact .back-trace p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

/* 桌面布局 */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 40px 0 18px;
  }

  .page-contact .channels-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 36px;
  }

  .page-contact .selfcheck-item {
    grid-template-columns: 64px 1fr;
    gap: 20px;
    padding: 26px 0;
  }

  .page-contact .selfcheck-body {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 6px 28px;
  }

  .page-contact .selfcheck-title,
  .page-contact .selfcheck-body p {
    grid-column: 1;
  }

  .page-contact .selfcheck-body .btn {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    justify-self: end;
    white-space: nowrap;
  }

  .page-contact .registry-grid {
    grid-template-columns: 6fr 6fr;
    align-items: start;
    gap: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-ticket,
  .page-contact .jump-list a {
    transition: none;
  }

  .page-contact .channel-ticket:hover {
    transform: none;
  }
}