.page-contact {
  --contact-panel: #FFFFFF;
  --contact-radius: 14px;
  color: var(--ink-900);
  background: var(--chalk);
  font-family: var(--font-body);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-contact .breadcrumb {
  padding: 1rem 0 0;
}

.page-contact .page-head {
  padding-top: 1.2rem;
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

.page-contact .eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pitch-600);
}

.page-contact .head-line {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.page-contact h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  max-width: 20ch;
}

.page-contact .page-head .lede {
  margin: 1rem 0 0;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate-500);
}

.page-contact .path-badge {
  align-self: center;
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line-300);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--pitch-700);
  background: var(--turf-050);
}

.page-contact .section {
  padding: clamp(1.8rem, 4.5vw, 3.4rem) 0;
}

.page-contact .section--tight {
  padding-top: clamp(0.8rem, 2.5vw, 1.6rem);
}

.page-contact .section--dense {
  background: linear-gradient(180deg, rgba(232, 242, 236, 0.9), rgba(246, 248, 246, 0));
  border-top: 1px solid var(--line-300);
  border-bottom: 1px solid var(--line-300);
}

.page-contact .num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏双栏 ---------- */
.page-contact .contact-lead {
  display: grid;
  gap: 1.8rem;
}

.page-contact .lead-panel h2,
.page-contact .section-head h2,
.page-contact .collab-copy h2,
.page-contact .visit-copy h2,
.page-contact .sign-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .panel-lede {
  margin: 0.7rem 0 1.4rem;
  max-width: 34rem;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--slate-500);
}

.page-contact .shift {
  border-left: 2px solid var(--pitch-600);
  padding: 0.2rem 0 0.2rem 1rem;
  margin-bottom: 1.8rem;
}

.page-contact .shift-track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: var(--turf-050);
  border: 1px solid var(--line-300);
}

.page-contact .shift-fill {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pitch-600), var(--turf-300));
  transition: background var(--dur) ease, box-shadow var(--dur) ease;
}

.page-contact .shift:hover .shift-fill {
  box-shadow: 0 0 0 3px rgba(79, 176, 126, 0.22);
}

.page-contact .shift-dot {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: var(--chalk);
  border: 2px solid var(--pitch-700);
}

.page-contact .shift-dot--start {
  left: -1px;
}

.page-contact .shift-dot--end {
  right: -1px;
  border-color: var(--card-red);
}

.page-contact .shift-scale {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: var(--slate-500);
}

.page-contact .shift-scale b {
  color: var(--ink-900);
  font-size: 0.9rem;
  margin-right: 0.2rem;
}

.page-contact .shift-note {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--slate-500);
}

.page-contact .shift-note b {
  color: var(--card-red);
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.6rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line-300);
  transition: border-color var(--dur) ease;
}

.page-contact .prep-item:last-child {
  border-bottom: 1px solid var(--line-300);
}

.page-contact .prep-item:hover {
  border-top-color: var(--pitch-600);
}

.page-contact .prep-num {
  font-size: 0.86rem;
  color: var(--pitch-600);
  padding-top: 0.15rem;
}

.page-contact .prep-item h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--slate-500);
}

/* ---------- 展签式信息牌 ---------- */
.page-contact .lead-side {
  display: grid;
  gap: 1.2rem;
}

.page-contact .sign-card {
  position: relative;
  background: var(--contact-panel);
  border: 1px solid var(--line-300);
  border-radius: var(--contact-radius);
  padding: 1.4rem 1.2rem 1.2rem;
  box-shadow: 0 1px 0 rgba(8, 37, 28, 0.03), 0 16px 34px rgba(8, 37, 28, 0.07);
  overflow: hidden;
}

.page-contact .sign-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pitch-600) 0 62%, var(--card-yellow) 62% 100%);
}

.page-contact .sign-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.9rem;
}

.page-contact .sign-no {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--slate-500);
}

.page-contact .sign-head h2 {
  font-size: 1.35rem;
}

.page-contact .sign-list {
  margin: 0;
  display: grid;
}

.page-contact .sign-row {
  display: grid;
  grid-template-columns: 5.4rem 1fr;
  gap: 0.6rem;
  padding: 0.72rem 0;
  border-top: 1px solid var(--line-300);
  align-items: start;
}

.page-contact .sign-row dt {
  font-size: 0.8rem;
  color: var(--slate-500);
  line-height: 1.6;
}

.page-contact .sign-row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-900);
  word-break: break-word;
}

.page-contact .mono-val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  color: var(--pitch-700);
}

.page-contact .sign-foot {
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line-300);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-contact .sign-figure,
.page-contact .visit-figure {
  margin: 0;
}

.page-contact .sign-figure img,
.page-contact .visit-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-300);
  border-radius: var(--contact-radius);
  background: var(--turf-050);
}

.page-contact .sign-figure img {
  aspect-ratio: 3 / 2;
}

.page-contact .visit-figure img {
  aspect-ratio: 3 / 2;
}

.page-contact .sign-figure figcaption,
.page-contact .visit-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--slate-500);
}

/* ---------- 咨询类型 ---------- */
.page-contact .section-head {
  max-width: 44rem;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}

.page-contact .section-head p {
  margin: 0.7rem 0 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--slate-500);
}

.page-contact .ask-grid {
  display: grid;
  gap: 0.9rem;
}

.page-contact .ask-card {
  border: 1px solid var(--line-300);
  border-radius: var(--contact-radius);
  background: var(--contact-panel);
  transition: border-color var(--dur) ease, transform var(--dur) ease, box-shadow var(--dur) ease;
}

.page-contact .ask-card:hover {
  border-color: var(--turf-300);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(8, 37, 28, 0.06);
}

.page-contact .ask-card[open] {
  border-color: var(--pitch-600);
}

.page-contact .ask-card summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  padding: 1rem 1.05rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ask-card summary:focus-visible {
  outline: 2px solid var(--card-red);
  outline-offset: 2px;
  border-radius: var(--contact-radius);
}

.page-contact .ask-num {
  font-size: 0.8rem;
  color: var(--card-red);
}

.page-contact .ask-title {
  flex: 1 1 12rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-contact .ask-tag {
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: var(--card-yellow);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-contact .ask-body {
  padding: 0 1.05rem 1.05rem;
  border-top: 1px solid var(--line-300);
  margin-top: 0.1rem;
  padding-top: 0.85rem;
}

.page-contact .ask-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--slate-500);
}

/* ---------- 响应节奏 ---------- */
.page-contact .pace-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .pace-item {
  background: var(--chalk);
  padding: 1.1rem 1rem;
  display: grid;
  gap: 0.3rem;
  transition: background var(--dur) ease;
}

.page-contact .pace-item:hover {
  background: var(--turf-050);
}

.page-contact .pace-value {
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  color: var(--pitch-700);
  line-height: 1.15;
}

.page-contact .pace-label {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--slate-500);
}

.page-contact .pace-note {
  margin: 1.2rem 0 0;
  max-width: 44rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--slate-500);
}

/* ---------- 合作与引用 ---------- */
.page-contact .collab-grid {
  display: grid;
  gap: 1.6rem;
}

.page-contact .collab-copy p {
  margin: 0.8rem 0 1rem;
  max-width: 36rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--slate-500);
}

.page-contact .collab-list {
  margin: 0;
  padding: 0 0 0 1.1rem;
  display: grid;
  gap: 0.5rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .collab-list li::marker {
  color: var(--card-yellow-dark);
}

.page-contact .collab-flow {
  border: 1px solid var(--line-300);
  border-left: 3px solid var(--card-red);
  border-radius: var(--contact-radius);
  background: linear-gradient(160deg, rgba(232, 242, 236, 0.85), rgba(246, 248, 246, 0.6));
  padding: 1.2rem 1.1rem;
}

.page-contact .collab-flow h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  counter-reset: flow;
}

.page-contact .flow-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.55rem;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-900);
  align-items: start;
}

.page-contact .flow-num {
  font-size: 0.76rem;
  color: var(--pitch-600);
  padding-top: 0.22rem;
}

.page-contact .flow-note {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-contact .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.page-contact a {
  color: var(--pitch-600);
  text-decoration-color: var(--turf-300);
  text-underline-offset: 3px;
}

.page-contact a:hover {
  color: var(--pitch-700);
  text-decoration-color: var(--pitch-600);
}

.page-contact a:focus-visible,
.page-contact .sign-card:focus-visible {
  outline: 2px solid var(--card-red);
  outline-offset: 2px;
}

.page-contact .btn {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-size: 0.86rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .btn--primary {
  background: var(--pitch-600);
  color: var(--chalk);
}

.page-contact .btn--primary:hover {
  background: var(--pitch-700);
  color: var(--chalk);
}

.page-contact .btn--ghost {
  border-color: var(--line-300);
  color: var(--ink-900);
  background: transparent;
}

.page-contact .btn--ghost:hover {
  border-color: var(--pitch-600);
  color: var(--pitch-700);
}

/* ---------- 到访信息 ---------- */
.page-contact .visit-grid {
  display: grid;
  gap: 1.4rem;
  align-items: start;
}

.page-contact .visit-copy p {
  margin: 0.9rem 0 0;
  max-width: 38rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate-500);
}

.page-contact .visit-meta {
  margin: 1rem 0 0;
  display: grid;
  border-top: 1px solid var(--line-300);
}

.page-contact .visit-row {
  display: grid;
  grid-template-columns: 5.4rem 1fr;
  gap: 0.6rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-300);
}

.page-contact .visit-row dt {
  font-size: 0.8rem;
  color: var(--slate-500);
  line-height: 1.6;
}

.page-contact .visit-row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-900);
  word-break: break-word;
}

@media (min-width: 700px) {
  .page-contact .ask-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 980px) {
  .page-contact .contact-lead {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 2.4rem;
  }

  .page-contact .sign-card {
    padding: 1.6rem 1.5rem 1.4rem;
  }

  .page-contact .collab-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.4rem;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 2.4rem;
  }

  .page-contact .section-head h2,
  .page-contact .collab-copy h2,
  .page-contact .visit-copy h2,
  .page-contact .lead-panel h2 {
    font-size: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ask-card,
  .page-contact .pace-item,
  .page-contact .prep-item,
  .page-contact .shift-fill,
  .page-contact .btn {
    transition: none;
  }

  .page-contact .ask-card:hover {
    transform: none;
  }
}
<<<END>>>