.page-contact {
  --pc-card-pad: clamp(20px, 2.6vw, 30px);
}

.page-contact .pc-hero {
  padding-block: clamp(24px, 4vw, 56px) clamp(20px, 3vw, 44px);
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .pc-crumb {
  margin-bottom: clamp(22px, 3vw, 40px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .04em;
}

.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--moss-500);
}

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

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--orange-500);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--cream-50);
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: 18px;
}

.page-contact .pc-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange-500);
}

.page-contact .pc-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 9vw, 108px);
  line-height: .92;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--cream-50);
}

.page-contact .pc-lede {
  max-width: 36em;
  margin: 20px 0 0;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.75;
  color: rgba(255, 248, 236, .82);
}

.page-contact .pc-side-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .pc-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin-top: clamp(24px, 3.4vw, 42px);
  padding-top: 18px;
  border-top: 1px solid var(--grid-line);
}

.page-contact .pc-quick-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 96px;
}

.page-contact .pc-quick-k {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .pc-quick-v {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--cream-50);
}

.page-contact .pc-sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-contact .pc-sec-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange-500);
}

.page-contact .pc-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream-50);
}

.page-contact .pc-sec-note {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* 渠道卡 */
.page-contact .pc-channels {
  display: grid;
  gap: 16px;
}

.page-contact .pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pc-card-pad);
  background: var(--ink-700);
  border: 1px solid var(--grid-line);
  border-top-width: 3px;
  border-radius: 2px;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .pc-channel--mail { border-top-color: var(--orange-500); }
.page-contact .pc-channel--phone { border-top-color: var(--blue-400); }
.page-contact .pc-channel--addr { border-top-color: var(--paper-300); }

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateX(4px);
  border-color: var(--orange-500);
}

.page-contact .pc-channel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .pc-channel-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .pc-channel-tag {
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 8px;
  border: 1px solid var(--grid-line);
  color: var(--cream-50);
}

.page-contact .pc-h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  color: var(--cream-50);
}

.page-contact .pc-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream-50);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-value--lg {
  font-size: clamp(24px, 3.2vw, 32px);
  letter-spacing: .01em;
  color: var(--blue-400);
}

.page-contact .pc-addr-line {
  display: block;
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 600;
  letter-spacing: .01em;
}

.page-contact .pc-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 248, 236, .74);
}

.page-contact .pc-fit {
  margin: 6px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--grid-line);
  list-style: none;
}

.page-contact .pc-fit li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .pc-fit li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--orange-500);
}

/* 回复时效 */
.page-contact .pc-timing {
  display: grid;
  gap: 26px;
}

.page-contact .pc-timing-list {
  border-top: 1px solid var(--grid-line);
}

.page-contact .pc-timing-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .pc-timing-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-500);
  padding-top: 3px;
}

.page-contact .pc-timing-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream-50);
}

.page-contact .pc-timing-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 248, 236, .72);
}

.page-contact .pc-figure,
.page-contact .pc-place-figure {
  margin: 0;
  border: 1px solid var(--grid-line);
  background: var(--ink-700);
}

.page-contact .pc-figure img,
.page-contact .pc-place-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .pc-figure figcaption,
.page-contact .pc-place-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--grid-line);
}

/* 分流矩阵（暖纸段） */
.page-contact .section--paper {
  background: var(--paper-100);
  color: var(--ink-900);
  border-top: 1px solid var(--paper-300);
  border-bottom: 1px solid var(--paper-300);
}

.page-contact .section--paper .pc-h2 { color: var(--ink-900); }
.page-contact .section--paper .pc-sec-num { color: var(--orange-deep); }
.page-contact .section--paper .pc-sec-note { color: rgba(7, 19, 15, .64); }

.page-contact .pc-split {
  display: grid;
  gap: 1px;
  background: var(--paper-300);
  border: 1px solid var(--paper-300);
}

.page-contact .pc-split-cell {
  position: relative;
  padding: clamp(20px, 2.8vw, 32px);
  background: var(--paper-100);
  border-left: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .pc-split-cell:hover,
.page-contact .pc-split-cell:focus-within {
  background: #FBF7EC;
  border-left-color: var(--orange-deep);
}

.page-contact .pc-split-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange-deep);
  margin-bottom: 10px;
}

.page-contact .pc-split-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 800;
  color: var(--ink-900);
}

.page-contact .pc-pill {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .06em;
  border: 1px solid var(--orange-deep);
  color: var(--orange-deep);
}

.page-contact .pc-pill--blue {
  border-color: #1B7C9B;
  color: #1B7C9B;
}

.page-contact .pc-pill--alert {
  border-color: var(--alert-500);
  color: #B22F2A;
}

.page-contact .pc-split-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(7, 19, 15, .78);
}

.page-contact .pc-eg {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--paper-300);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(7, 19, 15, .6);
}

/* 所在地 */
.page-contact .pc-place {
  display: grid;
  gap: 20px;
}

.page-contact .pc-place-copy p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 248, 236, .78);
}

.page-contact .pc-plate {
  padding: 18px 20px;
  background: var(--ink-700);
  border: 1px solid var(--grid-line);
  border-left: 3px solid var(--paper-300);
}

.page-contact .pc-plate-row {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(36, 72, 59, .8);
}

.page-contact .pc-plate-row:last-child { border-bottom: 0; }

.page-contact .pc-plate-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .pc-plate-v {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cream-50);
  overflow-wrap: anywhere;
}

.page-contact .pc-place-figure {
  margin-top: clamp(22px, 3vw, 38px);
}

.page-contact .pc-place-figure img {
  height: clamp(180px, 30vw, 330px);
}

/* 纠错通道 */
.page-contact .pc-fix {
  display: grid;
  gap: 28px;
}

.page-contact .pc-fix-list {
  margin: 16px 0 0;
  border-top: 1px solid var(--grid-line);
}

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

.page-contact .pc-fix-term {
  font-size: 14px;
  font-weight: 700;
  color: var(--orange-500);
  letter-spacing: .02em;
}

.page-contact .pc-fix-def {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 248, 236, .74);
}

.page-contact .pc-steps {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pc-step;
}

.page-contact .pc-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--grid-line);
}

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

.page-contact .pc-step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-400);
  padding-top: 3px;
}

.page-contact .pc-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 248, 236, .78);
}

.page-contact .pc-fix-tip {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--orange-500);
  background: rgba(255, 106, 26, .08);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 248, 236, .8);
}

/* 备案收尾 */
.page-contact .pc-legal-sec {
  border-top: 1px solid var(--grid-line);
}

.page-contact .pc-legal-grid {
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-contact .pc-legal-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--ink-700);
}

.page-contact .pc-legal-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .pc-legal-v {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cream-50);
  overflow-wrap: anywhere;
}

.page-contact .pc-legal-foot {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--grid-line);
}

.page-contact .pc-legal-note {
  margin: 0;
  max-width: 44em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .pc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-contact .pc-quick {
    gap: 20px 48px;
  }

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

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

@media (min-width: 900px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1fr) 160px;
    align-items: end;
    gap: 40px;
  }

  .page-contact .pc-side {
    justify-self: end;
    align-self: stretch;
    display: flex;
    justify-content: flex-end;
    padding-left: 14px;
    border-left: 1px solid var(--grid-line);
  }

  .page-contact .pc-side-note {
    writing-mode: vertical-rl;
    letter-spacing: .3em;
  }

  .page-contact .pc-sec-head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-contact .pc-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

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

  .page-contact .pc-fix {
    grid-template-columns: 6fr 6fr;
    gap: 40px;
  }

  .page-contact .pc-legal-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-legal-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .pc-actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-split-cell {
    transition: border-color .18s var(--ease);
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within {
    transform: none;
  }
}
<<<END>>>