.page-contact {
  --rail-w: 268px;
  --hero-gap: clamp(24px, 4vw, 48px);
  --line: 2px solid var(--edge);
}

.page-contact .contact-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(8px, 2vw, 20px);
}

.page-contact .hero-grid {
  display: grid;
  gap: var(--hero-gap);
  align-items: start;
}

.page-contact .hero-lead h1 {
  margin: 12px 0 0;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--mist);
  font-weight: 700;
}

.page-contact .lede {
  margin: 18px 0 0;
  max-width: 56ch;
  color: var(--mist-2);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-contact .coord-rail {
  border: var(--line);
  background: linear-gradient(165deg, var(--ship) 0%, var(--sea) 100%);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px 20px;
}

.page-contact .rail-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--edge);
}

.page-contact .rail-status__text {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .rail-label {
  margin: 18px 0 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .rail-city {
  margin: 4px 0 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .rail-text {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-2);
}

.page-contact .rail-scale {
  height: 34px;
  margin: 18px 0 4px;
  border-bottom: 2px solid var(--edge);
  background-image: repeating-linear-gradient(
    90deg,
    var(--edge) 0,
    var(--edge) 1px,
    transparent 1px,
    transparent 13px
  );
  background-position: left bottom;
  background-size: 100% 16px;
  background-repeat: repeat-x;
  opacity: 0.9;
}

.page-contact .rail-meta {
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}

.page-contact .rail-meta__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
}

.page-contact .rail-meta__row dt {
  color: var(--mist-3);
  letter-spacing: 0.06em;
}

.page-contact .rail-meta__row dd {
  margin: 0;
  color: var(--mist);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .section {
  padding-block: clamp(44px, 7vw, 84px);
}

.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .section-sub {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-2);
}

/* 路径清单 */
.page-contact .paths-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-contact .path-list__item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border: var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  padding: 16px 14px;
}

.page-contact .path-idx {
  font-size: 13px;
  line-height: 1.5;
  color: var(--gold);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

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

.page-contact .path-name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-contact .path-name-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact .path-value {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
  line-height: 1.5;
}

.page-contact .path-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-2);
}

.page-contact .path-list__item > .copy-btn,
.page-contact .path-list__item > .path-go {
  grid-column: 2;
  justify-self: start;
}

.page-contact .path-go {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 12px;
  border: 2px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background var(--t), color var(--t);
}

.page-contact .path-go:hover,
.page-contact .path-go:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .copy-btn {
  margin-top: 12px;
  padding: 6px 12px;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--cyan);
  color: var(--ink);
}

.page-contact .copy-btn.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-contact .paths-figure img,
.page-contact .site-note-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--line);
  background: var(--panel);
}

/* 直接联系 */
.page-contact .info-stack {
  border-top: var(--line);
}

.page-contact .info-row {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: var(--line);
}

.page-contact .info-key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .info-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-all;
}

.page-contact .info-row > .copy-btn {
  margin-top: 0;
  justify-self: start;
}

/* 资料导出 */
.page-contact .export-cabin {
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(140deg, var(--panel) 0%, var(--ship) 100%);
  border: var(--line);
  border-left: 6px solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-contact .export-cabin h2 {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .export-lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-2);
}

.page-contact .export-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .export-step {
  border-top: 1px solid var(--edge);
  padding-top: 14px;
}

.page-contact .export-step__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .export-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* 天津落款 */
.page-contact .site-note-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .site-note-body h2 {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .site-note-body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-2);
}

.page-contact .site-note-meta {
  margin: 22px 0 0;
  border-top: var(--line);
}

.page-contact .site-note-meta__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--edge);
}

.page-contact .site-note-meta__row dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .site-note-meta__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .site-note-link {
  font-size: 14px;
  color: var(--mist-3);
}

.page-contact .site-note-link a,
.page-contact .prep-privacy a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 联系前准备 */
.page-contact .prep-section {
  padding-block: clamp(52px, 9vw, 120px);
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--line);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-bottom: var(--line);
}

.page-contact .prep-item__num {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.04em;
  padding-top: 3px;
}

.page-contact .prep-item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .prep-item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-2);
}

.page-contact .prep-aside {
  display: grid;
  gap: 18px;
}

.page-contact .prep-cabin {
  padding: 20px 18px;
  background: var(--panel);
  border: var(--line);
  border-left: 6px solid var(--cyan);
  box-shadow: var(--shadow-soft);
}

.page-contact .prep-cabin__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .prep-cabin__text {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .prep-cabin .copy-btn {
  margin-top: 16px;
}

.page-contact .prep-fold {
  border: var(--line);
  background: var(--ship);
}

.page-contact .prep-fold .fold__summary {
  padding: 14px 16px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
  list-style: none;
}

.page-contact .prep-fold .fold__summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-fold .fold__summary::before {
  content: "+";
  display: inline-block;
  width: 1.2em;
  color: var(--cyan);
}

.page-contact .prep-fold[open] .fold__summary::before {
  content: "–";
}

.page-contact .prep-fold .fold__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--edge);
}

.page-contact .prep-fold .fold__body p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-2);
}

.page-contact .prep-privacy {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-3);
}

@media (min-width: 620px) {
  .page-contact .path-list__item {
    grid-template-columns: 2.4rem minmax(0, 1fr) auto;
    align-items: start;
    padding: 18px 18px;
  }

  .page-contact .path-list__item > .copy-btn,
  .page-contact .path-list__item > .path-go {
    grid-column: 3;
    justify-self: end;
    margin-top: 0;
  }

  .page-contact .export-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1fr) var(--rail-w);
  }

  .page-contact .info-row {
    grid-template-columns: 170px minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }

  .page-contact .info-row > .copy-btn {
    justify-self: end;
  }

  .page-contact .site-note-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .site-note-meta__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .paths-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .path-go {
    transition: none;
  }
}
<<<END>>>