.page-contact {
  --contact-card-pad: 1.25rem;
  --contact-radius: 2px;
  display: block;
}

/* ---------- 面包屑留白 ---------- */
.page-contact .breadcrumb {
  padding-top: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: 1.5rem;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  left: -25%;
  width: 150%;
  height: 380px;
  background:
    linear-gradient(112deg,
      rgba(16, 200, 165, .16) 0%,
      rgba(16, 200, 165, 0) 52%,
      rgba(255, 122, 26, .13) 100%);
  transform: skewY(-3.5deg);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero-grid {
  display: grid;
  gap: 1.5rem;
}

.page-contact h1 {
  margin: .6rem 0 .8rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6.2vw, 3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--on-dark);
}

.page-contact .section-lead {
  color: rgba(234, 246, 242, .84);
  max-width: 62ch;
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.1rem;
}

.page-contact .contact-hero-media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-dark);
  border-radius: var(--contact-radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  max-height: 230px;
  object-fit: cover;
}

/* ---------- 联系方式卡 ---------- */
.page-contact .channel-section {
  padding-top: .5rem;
}

.page-contact .channel-cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: var(--contact-card-pad);
  background: var(--ink-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--contact-radius);
  box-shadow: var(--shadow-1);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 3px;
  background: var(--brand);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 96px;
  height: 96px;
  background: linear-gradient(135deg, transparent 48%, rgba(16, 200, 165, .18) 48%);
  pointer-events: none;
}

.page-contact .channel-card--live::before {
  background: var(--live);
}

.page-contact .channel-card--live::after {
  background: linear-gradient(135deg, transparent 48%, rgba(255, 122, 26, .18) 48%);
}

.page-contact .channel-badge {
  display: inline-block;
  padding: .18rem .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--brand-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--contact-radius);
}

.page-contact .channel-badge--live {
  color: var(--live);
  border-color: rgba(255, 122, 26, .45);
}

.page-contact .channel-title {
  margin: .7rem 0 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: rgba(234, 246, 242, .72);
}

.page-contact .channel-value {
  margin: .3rem 0 .55rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.12rem, 4.4vw, 1.6rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--data);
  word-break: break-all;
}

.page-contact .channel-desc {
  margin: 0 0 1rem;
  font-size: .94rem;
  line-height: 1.7;
  color: rgba(234, 246, 242, .78);
  max-width: 46ch;
}

.page-contact .copy-btn {
  min-height: 44px;
}

.page-contact .copy-btn[data-state="copied"] {
  background: var(--brand-soft);
  border-color: var(--brand-soft);
  color: var(--ink-900);
}

/* ---------- 回复节奏 ---------- */
.page-contact .response-section {
  padding-top: 1rem;
}

.page-contact .response-strip {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .response-item {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1.15rem 1.1rem;
  background: var(--ink-900);
}

.page-contact .response-item .stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--brand-soft);
}

.page-contact .response-item .stat-label {
  font-size: .86rem;
  letter-spacing: .02em;
  color: rgba(234, 246, 242, .7);
}

.page-contact .response-note {
  margin: 1.1rem 0 0;
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(234, 246, 242, .78);
  max-width: 66ch;
  padding-left: .95rem;
  border-left: 3px solid var(--live);
}

/* ---------- 米白阅读区 ---------- */
.page-contact .paper-block {
  background: var(--paper);
  color: var(--on-light);
  border-radius: var(--contact-radius);
  padding: 1.6rem 1.1rem 1.9rem;
  box-shadow: var(--shadow-1);
}

.page-contact .paper-block .eyebrow {
  color: var(--clay);
}

.page-contact .paper-block .section-title {
  color: var(--on-light);
}

.page-contact .paper-block .section-lead {
  color: rgba(22, 38, 43, .78);
}

.page-contact .paper-block a {
  color: #0a7f6b;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .paper-block a:hover,
.page-contact .paper-block a:focus-visible {
  color: var(--clay);
}

/* 分诊表 */
.page-contact .triage-table {
  margin-top: 1.25rem;
}

.page-contact .triage-row {
  margin-bottom: .6rem;
  background: var(--mist);
  border: 1px solid var(--line-stone);
  border-left: 3px solid transparent;
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .triage-row[open] {
  border-left-color: var(--brand);
}

.page-contact .triage-summary {
  position: relative;
  display: grid;
  gap: .28rem;
  padding: .9rem 2.5rem .9rem .95rem;
  min-height: 48px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .triage-summary::after {
  content: "+";
  position: absolute;
  top: .85rem;
  right: .95rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand);
}

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

.page-contact .triage-summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.page-contact .triage-topic {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-light);
}

.page-contact .triage-route {
  font-size: .88rem;
  color: rgba(22, 38, 43, .74);
}

.page-contact .triage-eta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--clay);
}

.page-contact .triage-detail {
  padding: 0 .95rem 1rem;
  border-top: 1px solid var(--line-stone);
}

.page-contact .triage-detail p {
  margin: .8rem 0 0;
  font-size: .95rem;
  line-height: 1.78;
  color: rgba(22, 38, 43, .88);
  max-width: 68ch;
}

/* 反馈清单 */
.page-contact .feedback-head {
  padding-top: 1rem;
}

.page-contact .feedback-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-stone);
  border: 1px solid var(--line-stone);
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .feedback-list > li {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  padding: 1rem .95rem;
  background: var(--mist);
}

.page-contact .feedback-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.4;
}

.page-contact .feedback-title {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-light);
}

.page-contact .feedback-list p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: rgba(22, 38, 43, .84);
  max-width: 62ch;
}

/* ---------- 合作 ---------- */
.page-contact .coop-section {
  padding-top: 1rem;
}

.page-contact .coop-panel {
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem 1.15rem;
  background:
    linear-gradient(160deg, rgba(16, 200, 165, .12) 0%, rgba(6, 26, 31, 0) 46%),
    var(--ink-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--contact-radius);
  box-shadow: var(--shadow-1);
}

.page-contact .coop-copy .section-title {
  margin-bottom: .8rem;
}

.page-contact .coop-copy p {
  margin: 0 0 .85rem;
  font-size: .95rem;
  line-height: 1.78;
  color: rgba(234, 246, 242, .8);
  max-width: 60ch;
}

.page-contact .coop-side {
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-dark);
}

.page-contact .coop-side-label {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--brand-soft);
}

.page-contact .coop-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

.page-contact .chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  cursor: pointer;
}

.page-contact .chip-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .chip-text {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 .95rem;
  font-size: .9rem;
  color: var(--on-dark);
  border: 1px solid var(--line-soft);
  border-radius: var(--contact-radius);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-contact .chip:hover .chip-text {
  border-color: var(--brand);
}

.page-contact .chip-input:checked + .chip-text {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .chip-input:focus-visible + .chip-text {
  outline: 2px solid var(--brand-soft);
  outline-offset: 2px;
}

.page-contact .coop-foot {
  margin: 1.1rem 0 0;
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(234, 246, 242, .72);
}

.page-contact .coop-foot a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 地址与备案 ---------- */
.page-contact .addr-paper {
  padding-bottom: 1.6rem;
}

.page-contact .addr-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.page-contact .addr-media {
  margin: 0;
  border: 1px solid var(--line-stone);
  border-radius: var(--contact-radius);
  overflow: hidden;
  background: var(--mist);
}

.page-contact .addr-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .addr-street {
  margin: 0 0 .8rem;
  padding-left: .9rem;
  border-left: 3px solid var(--clay);
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.7;
  color: var(--on-light);
}

.page-contact .addr-desc {
  margin: 0 0 1rem;
  font-size: .94rem;
  line-height: 1.78;
  color: rgba(22, 38, 43, .84);
  max-width: 58ch;
}

.page-contact .addr-detail {
  border: 1px solid var(--line-stone);
  border-radius: var(--contact-radius);
  background: var(--mist);
  overflow: hidden;
}

.page-contact .addr-detail > summary {
  position: relative;
  padding: .85rem 2.4rem .85rem .95rem;
  min-height: 48px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--on-light);
}

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

.page-contact .addr-detail > summary::after {
  content: "+";
  position: absolute;
  top: .8rem;
  right: .95rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--brand);
}

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

.page-contact .addr-detail > summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.page-contact .addr-detail-body {
  padding: 0 .95rem .9rem;
  border-top: 1px solid var(--line-stone);
}

.page-contact .addr-detail-body p {
  margin: .8rem 0 0;
  font-size: .92rem;
  line-height: 1.76;
  color: rgba(22, 38, 43, .84);
  max-width: 60ch;
}

.page-contact .addr-legal {
  margin: 1.25rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line-stone);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

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

  .page-contact .coop-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    gap: 2rem;
    align-items: start;
    padding: 1.9rem 1.75rem;
  }

  .page-contact .coop-side {
    padding-top: 0;
    padding-left: 1.6rem;
    border-top: 0;
    border-left: 1px solid var(--line-dark);
    min-height: 100%;
  }

  .page-contact .paper-block {
    padding: 2rem 1.75rem 2.2rem;
  }

  .page-contact .triage-summary {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.2fr) minmax(0, .72fr);
    align-items: center;
    gap: 1rem;
    padding: .95rem 2.6rem .95rem 1.1rem;
  }

  .page-contact .triage-eta {
    text-align: right;
  }

  .page-contact .addr-grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 2rem;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 2.25rem;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 2.75rem;
    align-items: center;
  }

  .page-contact .contact-hero-media img {
    max-height: none;
    aspect-ratio: 4 / 3;
  }

  .page-contact .channel-card {
    padding: 1.6rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chip-text {
    transition: none;
  }
}
<<<END>>>