.page-contact {
  --contact-hair: rgba(201, 211, 216, 0.72);
  --contact-shadow: 0 18px 40px -28px rgba(18, 20, 22, 0.45);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact .contact-crumb-wrap {
  padding-top: 18px;
}

.page-contact .section {
  padding-block: 56px;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--tag);
  margin: 0;
}

.page-contact .eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--signal);
  vertical-align: middle;
  margin-right: 10px;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.2vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  background-color: var(--paper);
  background-image:
    linear-gradient(90deg, var(--contact-hair) 1px, transparent 1px),
    linear-gradient(var(--contact-hair) 1px, transparent 1px);
  background-size: 72px 72px;
  border-bottom: 1px solid var(--grid);
}

.page-contact .contact-hero-inner {
  display: grid;
  gap: 34px;
  padding-block: 34px 52px;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-contact .contact-hero-copy .lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--grid);
  display: grid;
  gap: 12px;
}

.page-contact .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .hf-k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--tag);
}

.page-contact .hf-v {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pine);
}

.page-contact .contact-hero-visual {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-self: center;
}

.page-contact .hero-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .map-node circle {
  fill: var(--pine);
  transition: fill 0.2s ease;
}

.page-contact .map-node text {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--tag);
  transition: fill 0.2s ease;
}

.page-contact .map-node--origin circle {
  fill: var(--signal);
}

.page-contact .map-node--origin text {
  fill: var(--ink);
  font-weight: 700;
}

.page-contact .map-node:hover circle {
  fill: var(--signal);
}

.page-contact .map-node:hover text {
  fill: var(--ink);
}

.page-contact .map-caption {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--tag);
}

/* ---------- 合作方向 ---------- */

.page-contact .contact-directions {
  background: var(--mist);
}

.page-contact .dir-head {
  display: grid;
  gap: 14px;
  max-width: 62ch;
  margin-bottom: 28px;
}

.page-contact .dir-intro {
  margin: 0;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .dir-figure {
  margin: 0 0 10px;
}

.page-contact .img-caption {
  margin: 10px 0 26px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--tag);
}

.page-contact .dir-list {
  border-top: 1px solid var(--grid-strong);
}

.page-contact .dir-item {
  border-bottom: 1px solid var(--grid);
  background: var(--paper);
  transition: background 0.2s ease;
}

.page-contact .dir-item[open] {
  background: var(--paper);
  box-shadow: var(--contact-shadow);
}

.page-contact .dir-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
  align-items: baseline;
}

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

.page-contact .dir-index {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-contact .dir-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .dir-for {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--tag);
}

.page-contact .dir-body {
  padding: 0 6px 22px;
  max-width: 70ch;
}

.page-contact .dir-body p {
  margin: 0 0 12px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .dir-body ul {
  margin: 0;
  padding-left: 18px;
}

.page-contact .dir-body li {
  margin-bottom: 7px;
  line-height: 1.7;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

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

/* ---------- 直接联系 ---------- */

.page-contact .contact-reach {
  background: var(--paper);
  border-block: 1px solid var(--grid);
}

.page-contact .reach-grid {
  display: grid;
  gap: 32px;
}

.page-contact .reach-lead {
  margin: 16px 0 0;
  max-width: 52ch;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .channel-list {
  margin-top: 26px;
  border-top: 1px solid var(--grid);
}

.page-contact .channel {
  display: grid;
  gap: 7px;
  padding: 20px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .channel-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--tag);
}

.page-contact .channel-value {
  justify-self: start;
  max-width: 100%;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(0.95rem, 3.6vw, 1.45rem);
  line-height: 1.35;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact a.channel-value:hover,
.page-contact a.channel-value:focus-visible {
  color: var(--pine);
  border-bottom-color: var(--signal);
  outline: none;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--tag);
}

.page-contact .reach-note {
  position: relative;
  margin: 26px 0 0;
  padding: 26px 22px 22px;
  background: var(--note);
  border-radius: var(--note-radius);
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.75;
  box-shadow: var(--contact-shadow);
}

.page-contact .pin {
  position: absolute;
  top: -8px;
  left: 20px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 3px 0 rgba(18, 20, 22, 0.16);
}

.page-contact .reach-aside {
  align-self: start;
}

.page-contact .reach-aside .img-caption {
  margin-bottom: 0;
}

/* ---------- 合作流程 ---------- */

.page-contact .contact-flow {
  background: var(--pine);
  color: var(--mist);
}

.page-contact .contact-flow .eyebrow {
  color: var(--ice);
}

.page-contact .contact-flow h2 {
  color: #ffffff;
}

.page-contact .flow-head {
  display: grid;
  gap: 12px;
  max-width: 58ch;
}

.page-contact .flow-intro {
  margin: 0;
  color: rgba(244, 246, 247, 0.76);
  line-height: 1.75;
}

.page-contact .flow-track {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 26px;
  border-left: 1px solid rgba(143, 211, 255, 0.3);
}

.page-contact .flow-node {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--signal);
  transform: rotate(45deg);
}

.page-contact .flow-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-contact .flow-step h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.04rem;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: rgba(244, 246, 247, 0.78);
}

/* ---------- 紧急事项 ---------- */

.page-contact .contact-urgent {
  background: var(--mist);
}

.page-contact .urgent-inner {
  display: grid;
  gap: 26px;
  padding-block: 52px;
}

.page-contact .urgent-copy h2 {
  max-width: 24ch;
}

.page-contact .urgent-copy p {
  margin: 16px 0 0;
  max-width: 56ch;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .urgent-copy .btn {
  margin-top: 24px;
}

.page-contact .urgent-note {
  position: relative;
  padding: 28px 22px 22px;
  background: var(--note);
  border-radius: var(--note-radius);
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.75;
  box-shadow: var(--contact-shadow);
}

.page-contact .urgent-note p {
  margin: 0;
}

/* ---------- 城市合作网络 ---------- */

.page-contact .contact-network {
  background: var(--paper);
  border-top: 1px solid var(--grid);
}

.page-contact .net-head {
  display: grid;
  gap: 14px;
  max-width: 60ch;
}

.page-contact .net-intro {
  margin: 0;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .net-stats {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-contact .stat {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  background: var(--paper);
}

.page-contact .stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.05rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--pine);
}

.page-contact .stat-label {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--tag);
}

.page-contact .net-foot {
  margin: 24px 0 0;
  max-width: 66ch;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 尾部 ---------- */

.page-contact .contact-tail {
  background: var(--mist);
  border-top: 1px solid var(--grid);
}

.page-contact .tail-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-block: 40px 64px;
}

.page-contact .tail-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--tag);
}

.page-contact .tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .tail-links a {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--pine);
  text-decoration: none;
  border-bottom: 2px solid var(--grid-strong);
  padding-bottom: 3px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .tail-links a:hover,
.page-contact .tail-links a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--signal);
  outline: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 720px) {
  .page-contact .dir-item summary {
    grid-template-columns: 56px minmax(0, 220px) minmax(0, 1fr);
    gap: 0 20px;
    align-items: center;
    padding: 22px 10px;
  }

  .page-contact .dir-for {
    grid-column: 3;
  }

  .page-contact .dir-body {
    padding: 0 10px 24px 86px;
  }

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

@media (min-width: 900px) {
  .page-contact .section {
    padding-block: 84px;
  }

  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 0;
    padding-block: 60px 76px;
  }

  .page-contact .contact-hero-copy {
    padding-right: 48px;
  }

  .page-contact .contact-hero-visual {
    border-left: 1px solid var(--grid);
    padding-left: 44px;
    justify-content: center;
  }

  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 40px;
  }

  .page-contact .flow-step {
    padding: 28px 26px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(143, 211, 255, 0.3);
  }

  .page-contact .flow-node {
    left: 0;
    top: -5px;
  }

  .page-contact .urgent-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: start;
    padding-block: 76px;
  }

  .page-contact .tail-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-block: 44px 72px;
  }
}

@media (min-width: 1024px) {
  .page-contact .net-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .stat {
    padding: 26px 24px;
  }
}
<<<END>>>