.page-contact {
  position: relative;
  overflow-x: clip;
}

.page-contact .contact-spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-line) 16%, var(--line-soft) 62%, transparent 100%);
  pointer-events: none;
  display: none;
}

@media (min-width: 1200px) {
  .page-contact .contact-spine {
    display: block;
    left: 26px;
  }
}

/* ---------- 栅格工具（页面作用域内覆写） ---------- */
.page-contact .grid-12 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .col-narrow,
.page-contact .col-wide,
.page-contact .col-full {
  min-width: 0;
}

@media (min-width: 900px) {
  .page-contact .grid-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 32px;
  }

  .page-contact .col-narrow {
    grid-column: 1 / span 3;
  }

  .page-contact .col-wide {
    grid-column: 4 / span 8;
  }

  .page-contact .col-full {
    grid-column: 1 / -1;
  }
}

.page-contact .section-head {
  max-width: 640px;
  margin: 0 0 40px;
}

.page-contact .section-head h2,
.page-contact .contact-brief-side h2,
.page-contact .contact-panel h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin: 12px 0 14px;
  font-size: clamp(28px, 5vw, 42px);
}

.page-contact .section-intro {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.78;
  max-width: 34em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 8px;
}

.page-contact .contact-hero-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 6px;
}

.page-contact .contact-hero-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.14;
  font-size: clamp(34px, 7.2vw, 62px);
  margin: 0 0 22px;
  max-width: 15em;
}

.page-contact .lede {
  font-size: 17px;
  line-height: 1.82;
  color: var(--text-muted);
  max-width: 34em;
  margin: 0;
}

.page-contact .contact-hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .hero-fact .stat-value {
  font-size: 34px;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-contact .hero-fact .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---------- 合作类型纸卡 ---------- */
.page-contact .contact-deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .contact-card {
  position: relative;
  padding: 34px 24px 26px;
  border: 1px solid var(--line);
  background: var(--surface-solid);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-contact .contact-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--text);
}

.page-contact .card-summary {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
  margin: 0 0 20px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .card-pair {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-contact .card-pair dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}

.page-contact .card-pair dd {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text);
}

.page-contact .card-pair dd:last-child {
  margin-bottom: 0;
}

.page-contact .contact-card .paper-tag {
  position: absolute;
  top: -12px;
  left: 18px;
}

@media (min-width: 760px) {
  .page-contact .contact-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 26px;
  }

  .page-contact .contact-card {
    --tilt: -0.4deg;
    --shift: 0px;
    transform: rotate(var(--tilt)) translateY(var(--shift));
  }

  .page-contact .contact-deck > .contact-card:nth-child(even) {
    --tilt: 0.5deg;
    --shift: 22px;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within {
    transform: rotate(0deg) translateY(calc(var(--shift) - 8px));
    border-color: var(--accent-line);
    box-shadow: 0 30px 60px -40px rgba(0, 0, 0, 1), 0 0 0 1px var(--accent-soft);
  }

  .page-contact .contact-deck > .contact-card:last-child {
    grid-column: 1 / -1;
    max-width: 62%;
  }
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow-figure {
  margin: 0 0 44px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--night-800);
  aspect-ratio: 12 / 7;
}

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

.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .flow-step {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
}

.page-contact .flow-num {
  display: inline-block;
  font-size: 26px;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.page-contact .flow-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-contact .flow-step > p {
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.page-contact .flow-details {
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-contact .flow-details summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 2px 0;
}

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

.page-contact .flow-details summary::after {
  content: "＋";
  margin-left: 8px;
  font-family: var(--font-body);
}

.page-contact .flow-details[open] summary::after {
  content: "－";
}

.page-contact .flow-details p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--text);
}

.page-contact .flow-details summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (min-width: 900px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    position: relative;
  }

  .page-contact .flow-track::before {
    content: "";
    position: absolute;
    top: 5px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--line-soft);
  }

  .page-contact .flow-step {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 30px 22px 0 0;
  }

  .page-contact .flow-step::before {
    content: "";
    position: absolute;
    top: 1px;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--bg);
  }
}

/* ---------- 材料清单 ---------- */
.page-contact .contact-brief-side {
  padding-top: 4px;
}

.page-contact .contact-brief-note {
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-muted);
  margin: 0;
}

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

.page-contact .brief-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .brief-box {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1.5px solid var(--accent-line);
  border-radius: 4px;
  background: var(--accent-soft);
  position: relative;
}

.page-contact .brief-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 1.8px solid var(--accent);
  border-bottom: 1.8px solid var(--accent);
  transform: rotate(42deg);
}

.page-contact .brief-body {
  min-width: 0;
}

.page-contact .brief-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}

.page-contact .brief-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ---------- 本地与跨区域 ---------- */
.page-contact .local-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-contact .contact-local-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--night-800);
  aspect-ratio: 16 / 9;
}

.page-contact .local-copy {
  display: grid;
  gap: 28px;
}

.page-contact .local-block h3 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}

.page-contact .local-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.84;
  color: var(--text-muted);
  max-width: 36em;
}

@media (min-width: 900px) {
  .page-contact .local-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-local-figure {
    aspect-ratio: 4 / 5;
  }
}

/* ---------- 联系方式高对比块 ---------- */
.page-contact .contact-panel {
  background: var(--amber);
  color: var(--night-900);
  border-radius: var(--r-card);
  padding: 34px 22px 28px;
  box-shadow: var(--shadow-2);
}

.page-contact .contact-panel h2 {
  color: var(--night-900);
  margin: 10px 0 12px;
}

.page-contact .contact-panel .eyebrow-dark {
  color: rgba(7, 26, 43, 0.68);
  border: 1px solid rgba(7, 26, 43, 0.26);
  background: rgba(7, 26, 43, 0.05);
}

.page-contact .contact-panel-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(7, 26, 43, 0.78);
  max-width: 34em;
}

.page-contact .contact-rows {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 30px 0 0;
}

.page-contact .contact-row {
  border-top: 1px solid rgba(7, 26, 43, 0.24);
  padding-top: 14px;
  min-width: 0;
}

.page-contact .contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(7, 26, 43, 0.62);
  margin: 0 0 8px;
}

.page-contact .contact-value {
  display: block;
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--night-900);
  overflow-wrap: anywhere;
}

.page-contact .contact-value--plain {
  font-size: 16px;
  font-weight: 600;
}

.page-contact .contact-panel-note {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(7, 26, 43, 0.24);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(7, 26, 43, 0.82);
  max-width: 42em;
}

.page-contact .contact-inline-link {
  color: var(--night-900);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

.page-contact .contact-inline-link:hover,
.page-contact .contact-inline-link:focus-visible {
  color: var(--amber-deep);
}

@media (min-width: 760px) {
  .page-contact .contact-panel {
    padding: 48px 44px 40px;
  }

  .page-contact .contact-rows {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 40px;
    margin-top: 36px;
  }
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-more {
  padding-bottom: 40px;
}

.page-contact .more-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  border-top: 1px solid var(--line-soft);
  padding-top: 28px;
}

.page-contact .more-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateY(-3px);
}

.page-contact .more-num {
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-contact .more-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .more-desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--text-muted);
}

@media (min-width: 760px) {
  .page-contact .more-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}
<<<END>>>