.page-contact {
  --contact-rule: var(--sand);
  --contact-veil: rgba(28, 48, 73, .055);
  --contact-deep: rgba(11, 16, 21, .06);
}

/* ---------- 首屏 ---------- */
.page-contact .arrival {
  position: relative;
  padding-top: clamp(16px, 3vw, 30px);
}

.page-contact .arrival-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .arrival-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 2vw, 18px);
  margin: 6px 0 clamp(14px, 2vw, 20px);
}

.page-contact .arrival-head .display-title {
  margin: 0;
}

.page-contact .arrival-head .title-note {
  writing-mode: vertical-rl;
  letter-spacing: .3em;
  font-size: 11px;
  line-height: 1;
  color: var(--slate-500);
  margin-top: .35em;
  align-self: flex-start;
  white-space: nowrap;
}

.page-contact .arrival-trail {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  margin: clamp(14px, 2vw, 22px) 0 clamp(18px, 2.5vw, 26px);
  color: var(--amber);
  opacity: .6;
}

.page-contact .arrival-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .arrival-figure {
  margin: 0;
}

.page-contact .arrival-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三块方向牌 ---------- */
.page-contact .roads-head,
.page-contact .reach-head,
.page-contact .paths-head,
.page-contact .prepared-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .roads-sub,
.page-contact .paths-sub,
.page-contact .prepared-sub {
  margin: 10px 0 0;
  color: var(--ink-800);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .roads-plates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--contact-rule);
  border: 1px solid var(--contact-rule);
  box-shadow: var(--shadow-plate);
}

.page-contact .road-plate {
  position: relative;
  background: var(--paper);
  padding: clamp(20px, 3vw, 32px);
  transition: background-color .22s ease;
}

.page-contact .road-plate::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--amber);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .26s ease;
}

.page-contact .road-plate:hover,
.page-contact .road-plate:focus-within {
  background: var(--paper-warm);
}

.page-contact .road-plate:hover::before,
.page-contact .road-plate:focus-within::before {
  transform: scaleY(1);
}

.page-contact .road-index {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-contact .road-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-contact .road-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-contact .road-text a {
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .road-meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--sand);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--slate-500);
}

.page-contact .roads-figure {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
}

.page-contact .roads-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 联系方式表 ---------- */
.page-contact .reach-table {
  border-top: 2px solid var(--ink-900);
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .reach-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .reach-row:last-child {
  border-bottom: 0;
}

.page-contact .reach-row:nth-child(odd) {
  background: linear-gradient(90deg, var(--contact-veil), transparent 72%);
}

.page-contact .reach-label {
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--slate-500);
  text-transform: uppercase;
}

.page-contact .reach-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  min-width: 0;
}

.page-contact .reach-link {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  line-height: 1.5;
  color: var(--ink-900);
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 1px;
}

.page-contact .reach-link--plain {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .01em;
  border-bottom-color: transparent;
}

.page-contact .reach-note {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-500);
}

.page-contact .reach-table .copy-btn {
  flex: none;
}

/* ---------- 合作方式 ---------- */
.page-contact .paths-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .path-card {
  position: relative;
  background: var(--paper);
  border-top: 3px solid var(--ink-900);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--shadow-plate);
}

.page-contact .path-card--coop {
  border-top-color: var(--amber);
  background: var(--paper-warm);
}

.page-contact .path-card--migrate {
  border-top-color: var(--rust);
}

.page-contact .path-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .path-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-contact .path-card--coop .path-text {
  font-size: 16px;
}

.page-contact .path-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .path-list li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-800);
  border-bottom: 1px dashed rgba(217, 199, 167, .7);
}

.page-contact .path-list li:last-child {
  border-bottom: 0;
}

.page-contact .path-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- 检查清单 ---------- */
.page-contact .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-900);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid var(--contact-rule);
  transition: background-color .2s ease;
}

.page-contact .check-item:hover {
  background: var(--contact-veil);
}

.page-contact .check-num {
  font-size: 15px;
  line-height: 1.9;
  color: var(--amber);
  text-align: right;
}

.page-contact .check-title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-contact .check-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-800);
  max-width: 58ch;
}

/* ---------- 下一步 ---------- */
.page-contact .next {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(26px, 4.5vw, 52px);
}

.page-contact .next::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at center, rgba(198, 139, 51, .28), transparent 68%);
  pointer-events: none;
}

.page-contact .next-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: end;
}

.page-contact .next .section-title {
  color: var(--paper);
  margin: 0 0 12px;
}

.page-contact .next-copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 241, 230, .82);
}

.page-contact .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .next .btn--ghost {
  color: var(--paper);
  border-color: rgba(247, 241, 230, .45);
}

.page-contact .next .btn--ghost:hover,
.page-contact .next .btn--ghost:focus-visible {
  border-color: var(--amber-light);
  color: var(--amber-light);
}

.page-contact .next-foot {
  position: relative;
  z-index: 1;
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(247, 241, 230, .55);
}

/* ---------- 收尾 ---------- */
.page-contact .closing-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--slate-500);
}

.page-contact .closing-note a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
}

.page-contact .closing-note a:hover,
.page-contact .closing-note a:focus-visible {
  color: var(--rust);
  border-bottom-color: var(--rust);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .reach-row {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: 24px;
    align-items: baseline;
  }

  .page-contact .reach-label {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 3px;
  }

  .page-contact .reach-value,
  .page-contact .reach-note {
    grid-column: 2;
  }

  .page-contact .check-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .arrival-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: clamp(32px, 4vw, 60px);
  }

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

  .page-contact .roads-figure {
    margin-top: clamp(28px, 3.5vw, 44px);
  }

  .page-contact .paths-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-areas:
      "coop archive"
      "coop migrate";
    align-items: start;
  }

  .page-contact .path-card--coop {
    grid-area: coop;
    height: 100%;
  }

  .page-contact .path-card--archive {
    grid-area: archive;
  }

  .page-contact .path-card--migrate {
    grid-area: migrate;
  }

  .page-contact .next-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-contact .next-actions {
    justify-content: flex-end;
  }
}
</