.page-contact {
  --pc-pad: clamp(18px, 3.6vw, 44px);
  --pc-gap: clamp(16px, 2.4vw, 30px);
  background: var(--deep-pitch);
  color: var(--line-white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  padding: clamp(20px, 3.5vw, 44px) 0 clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

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

.page-contact a {
  color: var(--electric-cyan);
  text-decoration: none;
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--data-yellow);
}

.page-contact :focus-visible {
  outline: 2px solid var(--data-yellow);
  outline-offset: 3px;
}

.page-contact .pc-shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  gap: clamp(38px, 6vw, 76px);
}

.page-contact .crumbs {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  margin-bottom: calc(var(--pc-gap) * -1);
}

.page-contact .kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-moss);
  margin: 0 0 12px;
}

.page-contact .pc-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.005em;
  margin: 0;
  text-wrap: balance;
}

.page-contact .pc-h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.3;
  margin: 14px 0 10px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: var(--pc-gap);
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 6.6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}

.page-contact .pc-lede {
  font-size: clamp(1rem, 1.015rem + 0.2vw, 1.08rem);
  color: rgba(233, 242, 234, 0.82);
  max-width: 46ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-contact .pc-big-contact {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(18px, 3vw, 26px) 0 clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-contact-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-contact .pc-contact-label {
  font-size: var(--fs-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-moss);
}

.page-contact .pc-mail {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 3.4vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--data-yellow);
  word-break: break-word;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .pc-mail:hover,
.page-contact .pc-mail:focus-visible {
  color: var(--data-yellow);
  border-bottom-color: var(--signal-orange);
}

.page-contact .pc-tel {
  font-weight: 700;
  font-size: clamp(1.02rem, 3.4vw, 1.85rem);
  line-height: 1.2;
  color: var(--line-white);
  letter-spacing: 0.02em;
}

.page-contact .pc-status {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 0;
  font-size: 0.88rem;
  color: var(--electric-cyan);
}

.page-contact .pc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
}

.page-contact .pc-jump a {
  color: var(--muted-moss);
  border-bottom: 1px solid var(--line-mid);
  padding-bottom: 2px;
}

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

.page-contact .pc-hero-media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--tunnel-green);
}

.page-contact .pc-hero-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.page-contact .media-caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--muted-moss);
  letter-spacing: 0.04em;
}

/* ---------- 三条受理线 ---------- */
.page-contact .pc-section-head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-contact .pc-cards {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: var(--tunnel-green);
  border: 1px solid var(--line-soft);
  border-top-width: 3px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-contact .pc-card--fix { border-top-color: var(--signal-orange); }
.page-contact .pc-card--partner { border-top-color: var(--electric-cyan); }
.page-contact .pc-card--media { border-top-color: var(--data-yellow); }

.page-contact .pc-card p {
  margin: 0 0 18px;
  font-size: 0.94rem;
  color: rgba(233, 242, 234, 0.78);
}

.page-contact .pc-card .tag {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
}

.page-contact .pc-card-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--line-white);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .pc-card-link::after {
  content: " →";
  color: var(--signal-orange);
}

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

/* ---------- 纠错清单（奶油纸） ---------- */
.page-contact .pc-fix {
  background: var(--cream-paper);
  color: var(--ink-brown-black);
  padding: var(--pc-pad);
  border: 1px solid var(--line-ink);
}

.page-contact .pc-fix .kicker {
  color: rgba(18, 16, 13, 0.55);
}

.page-contact .pc-fix-lede {
  margin: 14px 0 0;
  max-width: 56ch;
  color: rgba(18, 16, 13, 0.78);
  font-size: 0.96rem;
}

.page-contact .pc-fix-list {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-ink);
}

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

.page-contact .pc-detail summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  line-height: 1.35;
}

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

.page-contact .pc-detail summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1;
  color: var(--signal-orange);
  transition: transform 200ms var(--ease);
}

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

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

.page-contact .pc-detail-body ul {
  margin: 0;
  padding-left: 1.1em;
  display: grid;
  gap: 8px;
  font-size: 0.94rem;
  color: rgba(18, 16, 13, 0.82);
}

.page-contact .pc-detail-body li::marker {
  color: var(--signal-orange);
}

.page-contact .pc-fix-note {
  margin: 22px 0 0;
  font-size: 0.88rem;
  color: rgba(18, 16, 13, 0.7);
}

.page-contact .pc-fix-note a {
  color: #0a6d63;
  border-bottom: 1px solid currentColor;
}

.page-contact .pc-fix-note a:hover,
.page-contact .pc-fix-note a:focus-visible {
  color: var(--signal-orange);
}

/* ---------- 邮件主题模板 ---------- */
.page-contact .pc-template-list {
  display: grid;
  gap: 12px;
}

.page-contact .pc-template-item {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line-mid);
  border-left: 3px solid var(--electric-cyan);
  background: rgba(15, 47, 36, 0.6);
  color: var(--line-white);
  transition: border-color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .pc-template-item:hover,
.page-contact .pc-template-item:focus-visible {
  border-color: var(--electric-cyan);
  border-left-color: var(--signal-orange);
  background: var(--tunnel-green);
  color: var(--line-white);
}

.page-contact .pc-template-code {
  font-size: var(--fs-mono);
  letter-spacing: 0.18em;
  color: var(--muted-moss);
}

.page-contact .pc-template-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 2.6vw, 1.2rem);
  line-height: 1.3;
}

.page-contact .pc-template-desc {
  font-size: 0.86rem;
  color: rgba(233, 242, 234, 0.72);
}

/* ---------- 分流说明 ---------- */
.page-contact .pc-guide {
  display: grid;
  gap: var(--pc-gap);
  padding: clamp(20px, 3.4vw, 36px);
  background: var(--tunnel-green);
  border: 1px solid var(--line-soft);
}

.page-contact .pc-guide-list {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-guide-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-guide-row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--data-yellow);
}

.page-contact .pc-guide-row dd {
  margin: 0;
  font-size: 0.94rem;
  color: rgba(233, 242, 234, 0.8);
}

.page-contact .pc-guide-row dd a {
  border-bottom: 1px solid var(--line-mid);
}

.page-contact .pc-guide-media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--deep-pitch);
}

.page-contact .pc-guide-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通信地址 ---------- */
.page-contact .pc-post-lede {
  margin: 14px 0 0;
  max-width: 54ch;
  color: rgba(233, 242, 234, 0.76);
  font-size: 0.95rem;
}

.page-contact .pc-post-grid {
  display: grid;
  border-top: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.page-contact .pc-post-cell {
  padding: 18px 16px 20px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}

.page-contact .pc-post-key {
  display: block;
  font-size: var(--fs-mono);
  letter-spacing: 0.2em;
  color: var(--muted-moss);
  margin-bottom: 8px;
}

.page-contact .pc-post-val {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(233, 242, 234, 0.88);
  overflow-wrap: anywhere;
}

.page-contact .pc-post-cell--wide .pc-post-val {
  font-family: var(--font-mono);
  color: var(--data-yellow);
  letter-spacing: 0.04em;
}

.page-contact .pc-top {
  margin: clamp(22px, 3vw, 32px) 0 0;
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
}

.page-contact .pc-top a {
  color: var(--muted-moss);
  border-bottom: 1px solid var(--line-mid);
  padding-bottom: 2px;
}

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

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-big-contact {
    flex-direction: row;
    justify-content: space-between;
    gap: 24px;
  }

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

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

  .page-contact .pc-post-cell--wide {
    grid-column: 1 / -1;
  }

  .page-contact .pc-guide-row {
    grid-template-columns: minmax(100px, 0.22fr) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

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

  .page-contact .pc-guide {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-contact .pc-fix {
    padding: clamp(30px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
  }
}