.page-contact {
  --pc-space: clamp(44px, 7vw, 96px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vw, 44px) 0 var(--pc-space);
  background:
    radial-gradient(92% 70% at 92% -8%, rgba(200, 255, 77, 0.14), transparent 62%),
    radial-gradient(70% 60% at 0% 8%, rgba(111, 231, 216, 0.08), transparent 60%),
    linear-gradient(180deg, var(--field) 0%, var(--ink) 74%);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.16;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-contact .hero-split {
  display: grid;
  gap: clamp(30px, 4.5vw, 60px);
}

.page-contact .hero-left {
  min-width: 0;
}

.page-contact .contact-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 7.2vw, 82px);
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--paper);
}

.page-contact .contact-title em {
  font-style: normal;
  color: var(--lime);
}

.page-contact .contact-intro {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 48ch;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .channel-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2.2vw, 24px);
  background: rgba(16, 21, 18, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  backdrop-filter: blur(6px);
  transition: border-left-color 0.18s ease, transform 0.18s ease;
}

.page-contact .channel:hover {
  border-left-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .channel-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 19px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-meta {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ice);
}

.page-contact .contact-note {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 54ch;
}

.page-contact .hero-side {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  min-width: 0;
}

.page-contact .hero-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--field);
  overflow: hidden;
}

.page-contact .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 28, 23, 0.05) 30%, rgba(7, 28, 23, 0.82) 100%);
  pointer-events: none;
}

.page-contact .rhythm-panel {
  padding: clamp(18px, 2.4vw, 28px);
  background: rgba(16, 21, 18, 0.8);
  border: 1px solid var(--line);
  border-top: 2px solid var(--lime);
  backdrop-filter: blur(8px);
}

.page-contact .rhythm-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .rhythm-list {
  position: relative;
  list-style: none;
  margin: 18px 0 0;
  padding: 0 0 0 20px;
  display: grid;
  gap: 16px;
}

.page-contact .rhythm-list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--lime), var(--grid));
}

.page-contact .rhythm-list li {
  position: relative;
  display: grid;
  gap: 3px;
}

.page-contact .rhythm-list li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--lime);
}

.page-contact .rhythm-time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .rhythm-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 咨询前准备（浅色阅读区） ---------- */
.page-contact .prep-section {
  position: relative;
  padding: var(--pc-space) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-contact .prep-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime) 0 28%, var(--orange) 28% 42%, var(--field) 42% 100%);
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .prep-main {
  min-width: 0;
}

.page-contact .coord-tag--dark {
  color: var(--field);
}

.page-contact .section-head {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  max-width: 62ch;
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--paper);
}

.page-contact .section-lede {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .prep-section .section-title {
  color: var(--ink);
}

.page-contact .prep-section .section-lede {
  color: var(--field);
}

.page-contact .prep-list {
  margin-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid rgba(7, 28, 23, 0.16);
}

.page-contact .prep-item {
  border-bottom: 1px solid rgba(7, 28, 23, 0.16);
  padding: 16px 0;
}

.page-contact .prep-item > summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16.5px, 2vw, 20px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
}

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

.page-contact .prep-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--orange);
  transition: transform 0.18s ease;
}

.page-contact .prep-item[open] > summary::after {
  content: "−";
}

.page-contact .prep-item > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .prep-item p {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--field);
}

.page-contact .prep-visual {
  margin: 0;
  align-self: start;
  border: 1px solid rgba(7, 28, 23, 0.2);
  background: var(--field);
  overflow: hidden;
}

.page-contact .prep-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .prep-visual figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--mist);
  background: var(--char);
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-section {
  padding: var(--pc-space) 0;
  background:
    linear-gradient(180deg, var(--ink) 0%, var(--field) 100%);
}

.page-contact .coop-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 3.4vw, 44px);
}

.page-contact .coop-card {
  position: relative;
  padding: clamp(20px, 2.8vw, 32px);
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .coop-card:hover {
  border-color: rgba(200, 255, 77, 0.5);
  transform: translateY(-2px);
}

.page-contact .coop-card--content {
  border-top: 2px solid var(--lime);
}

.page-contact .coop-card--data {
  border-top: 2px solid var(--ice);
}

.page-contact .coop-card--channel {
  border-top: 2px solid var(--orange);
}

.page-contact .coop-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .coop-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .coop-text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 到访信息 ---------- */
.page-contact .visit-section {
  padding: var(--pc-space) 0;
  background: linear-gradient(180deg, var(--field) 0%, var(--ink-deep) 100%);
  border-top: 1px solid var(--line);
}

.page-contact .visit-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .visit-main {
  min-width: 0;
}

.page-contact .visit-card {
  margin-top: clamp(24px, 3vw, 34px);
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--char);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-contact .visit-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .visit-address {
  margin: 12px 0 0;
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .visit-city {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--ice);
}

.page-contact .visit-map {
  min-width: 0;
}

.page-contact .map-grid {
  display: block;
  width: 100%;
  height: auto;
  color: var(--grid);
}

.page-contact .map-contour {
  fill: none;
  stroke: var(--ice);
  stroke-width: 1.4;
  opacity: 0.55;
}

.page-contact .map-contour--soft {
  stroke: var(--grid);
  stroke-width: 1.2;
  opacity: 0.9;
}

.page-contact .map-route {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1.6;
  stroke-dasharray: 6 5;
  opacity: 0.85;
}

.page-contact .map-node {
  fill: var(--lime);
}

.page-contact .map-pulse {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1;
  opacity: 0.4;
}

.page-contact .map-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  fill: var(--paper);
}

.page-contact .map-scale {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  fill: var(--mist);
}

/* ---------- 问题分流 ---------- */
.page-contact .route-section {
  padding: var(--pc-space) 0;
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
}

.page-contact .route-scale {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .route-item {
  display: flex;
}

.page-contact .route-item a {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-deep);
  color: var(--paper);
  text-decoration: none;
  transition: background 0.18s ease;
}

.page-contact .route-item a:hover {
  background: var(--field);
}

.page-contact .route-item a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

.page-contact .route-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-contact .route-label {
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-contact .route-hint {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-contact .hero-side {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .coop-card,
  .page-contact .prep-item > summary::after,
  .page-contact .route-item a {
    transition: none;
  }
}
<<<END>>>