.page-contact {
  --pc-line: var(--steel);
  --pc-card: var(--ink-2);
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 6vw, 88px);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 44px) 0 clamp(44px, 6vw, 80px);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .hero-signal {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .hero-signal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  -webkit-mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.12) 72%);
  mask-image: linear-gradient(100deg, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.12) 72%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 20, 38, 0.4), var(--ink) 92%);
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-contact .hero-lead .display-xl {
  margin: 10px 0 0;
  color: var(--fog);
}

.page-contact .hero-lead .lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 56ch;
  color: var(--fog);
  opacity: 0.92;
}

.page-contact .hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .hero-lead .note {
  margin-top: 18px;
  max-width: 44ch;
  color: var(--blue-gray);
  font-size: 13px;
  line-height: 1.75;
}

.page-contact .hero-cards {
  display: grid;
  gap: 14px;
}

.page-contact .info-card {
  padding: 20px 22px;
  background: var(--pc-card);
  border: 1px solid var(--pc-line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .info-card:hover,
.page-contact .info-card:focus-within {
  border-color: var(--mint);
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 rgba(46, 242, 194, 0.12);
}

.page-contact .info-card .eyebrow {
  display: block;
  margin: 0 0 8px;
  color: var(--blue-gray);
}

.page-contact .info-mono {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(17px, 2.2vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mint);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: color var(--dur) var(--ease);
}

.page-contact .info-mono:hover,
.page-contact .info-mono:focus-visible {
  color: var(--mint-soft);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.page-contact .info-mono--time {
  color: var(--amber);
  font-size: clamp(24px, 3.4vw, 40px);
}

.page-contact .info-label {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--blue-gray);
}

.page-contact .info-hint {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(27, 53, 82, 0.95);
  font-size: 13px;
  line-height: 1.75;
  color: var(--blue-gray);
}

/* ---------- 时段 ---------- */
.page-contact .shift-section {
  padding: clamp(44px, 6vw, 88px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .shift-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .shift-aside .section-title {
  margin: 10px 0 0;
  color: var(--fog);
}

.page-contact .aside-note {
  margin: 18px 0 0;
  max-width: 34ch;
  padding-left: 14px;
  border-left: 2px solid var(--pc-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--blue-gray);
}

.page-contact .shift-figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border: 1px solid var(--pc-line);
  background: var(--pc-card);
}

.page-contact .shift-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .fig-cap {
  padding: 10px 14px;
  border-top: 1px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue-gray);
}

.page-contact .shift-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .shift-item {
  position: relative;
  padding: 16px 0 16px 20px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .shift-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 7px;
  height: 7px;
  background: var(--mint);
}

.page-contact .shift-item:nth-child(2)::before {
  background: var(--amber);
}

.page-contact .shift-item:nth-child(3)::before {
  background: var(--blue-gray);
}

.page-contact .shift-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-contact .shift-item p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--blue-gray);
}

.page-contact .fold {
  margin-top: 20px;
  border: 1px solid var(--pc-line);
  background: var(--pc-card);
}

.page-contact .fold-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--mint);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .fold-summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold-summary:hover {
  background: rgba(46, 242, 194, 0.06);
  color: var(--mint-soft);
}

.page-contact .fold-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--mint);
}

.page-contact .fold[open] .fold-summary::after {
  content: "–";
}

.page-contact .fold-body {
  padding: 0 18px 18px;
}

.page-contact .fold-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--blue-gray);
}

/* ---------- 工单 ---------- */
.page-contact .ticket-section {
  padding: clamp(44px, 6vw, 88px) 0;
  background: var(--pc-card);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .ticket-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .ticket-lead .section-title {
  margin: 10px 0 0;
  color: var(--fog);
}

.page-contact .ticket-copy {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--blue-gray);
}

.page-contact .ticket-lead .btn {
  margin-top: 24px;
}

.page-contact .ticket-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .ticket-steps li {
  counter-increment: step;
  position: relative;
  padding: 18px 0 18px 54px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .ticket-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-contact .ticket-steps h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
  letter-spacing: 0.02em;
}

.page-contact .ticket-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--blue-gray);
  max-width: 56ch;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner-section {
  padding: clamp(44px, 6vw, 88px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .partner-section .section-title {
  margin: 10px 0 0;
  color: var(--fog);
}

.page-contact .partner-lede {
  margin: 18px 0 0;
  max-width: 64ch;
  color: var(--fog);
  opacity: 0.9;
}

.page-contact .partner-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .partner-card {
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--mint);
  background: rgba(14, 32, 56, 0.65);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .partner-card:hover {
  border-color: var(--mint);
  background: rgba(14, 32, 56, 0.95);
}

.page-contact .partner-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mint-soft);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--blue-gray);
}

/* ---------- 站点信息 ---------- */
.page-contact .meta-section {
  padding: clamp(40px, 5vw, 72px) 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .meta-section .section-title {
  margin: 10px 0 0;
  color: var(--fog);
}

.page-contact .meta-list {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .meta-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .meta-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-gray);
}

.page-contact .meta-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .meta-val.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--amber);
}

/* ---------- 相关页面 ---------- */
.page-contact .more-section {
  padding: clamp(40px, 5vw, 72px) 0 0;
}

.page-contact .more-section .section-title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  color: var(--fog);
}

.page-contact .more-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .more-item {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .more-link {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  text-decoration: none;
  transition: padding-left var(--dur) var(--ease);
}

.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  padding-left: 10px;
}

.page-contact .more-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--mint);
  transition: color var(--dur) var(--ease);
}

.page-contact .more-link:hover .more-label,
.page-contact .more-link:focus-visible .more-label {
  color: var(--mint-soft);
}

.page-contact .more-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--blue-gray);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .shift-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .shift-aside {
    position: sticky;
    top: 32px;
  }

  .page-contact .ticket-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(40px, 6vw, 80px);
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .meta-item {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .info-hint {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    opacity: 0;
    overflow: hidden;
    border-top-color: transparent;
    transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease),
      margin-top var(--dur) var(--ease), padding-top var(--dur) var(--ease);
  }

  .page-contact .info-card:hover .info-hint,
  .page-contact .info-card:focus-within .info-hint {
    max-height: 140px;
    margin-top: 10px;
    padding-top: 10px;
    opacity: 1;
    border-top-color: var(--pc-line);
  }
}

@media (min-width: 1200px) {
  .page-contact .more-link {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .info-card,
  .page-contact .info-hint,
  .page-contact .more-link,
  .page-contact .fold-summary {
    transition: none;
  }

  .page-contact .info-card:hover {
    transform: none;
  }
}