.page-contact {
  --ct-gap: clamp(24px, 3vw, 36px);
  --ct-card-pad: clamp(18px, 2.2vw, 24px);
  --ct-gold-line: rgba(212, 160, 23, .42);
  --ct-dark-line: rgba(245, 239, 230, .16);
}

/* ---------- 页面头部 ---------- */
.page-contact .breadcrumb {
  margin-top: 26px;
}

.page-contact .page-head {
  padding: 22px 0 44px;
}

.page-contact .page-head h1 {
  margin: 14px 0 20px;
  max-width: 22ch;
  font-size: clamp(2.1rem, 6.4vw, 4.2rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-contact .page-head .lede {
  max-width: 60ch;
}

.page-contact .page-head .note {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  max-width: 64ch;
}

/* ---------- 深色章节通用 ---------- */
.page-contact .section--night .section-title,
.page-contact .section--night h3 {
  color: var(--linen);
}

.page-contact .section--night .lede {
  color: var(--on-dark);
}

.page-contact .section--night .eyebrow {
  color: var(--gold-soft);
}

.page-contact .section--night .note {
  color: var(--on-dark-soft);
}

.page-contact .section--night .note a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系方式卡片 ---------- */
.page-contact .channel-stack {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .channel-card {
  display: grid;
  gap: 10px;
  padding: var(--ct-card-pad);
  border-radius: 8px;
  border: 1px solid var(--ct-dark-line);
  transition: border-color .2s ease-out, transform .2s ease-out;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
}

.page-contact .channel-card--glass {
  background: var(--glass);
  border-color: var(--ct-gold-line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .channel-card--solid {
  background: var(--linen);
  border-color: rgba(252, 250, 246, .5);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-contact .channel-card--glass .channel-card__label {
  color: var(--gold-soft);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: clamp(.95rem, 2.6vw, 1.16rem);
  letter-spacing: -0.01em;
  line-height: 1.4;
  overflow-wrap: anywhere;
  color: var(--linen);
  font-weight: 700;
}

.page-contact .channel-card--solid .channel-card__value {
  color: var(--deep);
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--on-dark);
}

.page-contact .channel-card--solid .channel-card__use {
  color: var(--ink);
}

.page-contact .channel-card .cluster {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 响应说明面板 ---------- */
.page-contact .response-panel {
  margin-top: 40px;
}

.page-contact .response-panel__title {
  margin: 12px 0 20px;
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
  line-height: 1.35;
}

.page-contact .window-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .window-list li {
  display: grid;
  gap: 6px;
  padding: 15px 17px;
  border-radius: 8px;
  border: 1px solid var(--ct-dark-line);
  background: rgba(7, 27, 48, .52);
}

.page-contact .window-list__time {
  font-size: .92rem;
  letter-spacing: .01em;
  color: var(--gold-soft);
}

.page-contact .window-list__what {
  font-size: .95rem;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-contact .response-panel .note {
  margin-top: 20px;
  max-width: 54ch;
}

/* ---------- 四步签约 ---------- */
.page-contact .section--sand .figure {
  margin-top: 36px;
}

.page-contact .figure__frame {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--deep);
}

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

.page-contact .figure__cap {
  margin-top: 10px;
  font-size: .82rem;
  color: var(--slate);
}

.page-contact .section--night .figure__cap {
  color: var(--on-dark-soft);
}

.page-contact .steps-scroll {
  margin-top: 30px;
  padding-bottom: 18px;
  scrollbar-color: var(--gold) transparent;
}

.page-contact .step-card {
  flex: 0 0 min(84vw, 322px);
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px 20px 24px;
  border-radius: 8px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  background: var(--linen);
  scroll-snap-align: start;
  transition: transform .2s ease-out, box-shadow .2s ease-out;
}

.page-contact .step-card:hover,
.page-contact .step-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(11, 42, 74, .14);
}

.page-contact .step-card__num {
  margin: 0;
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-contact .step-card__title {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--deep);
}

.page-contact .step-card__body {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .step-card__label {
  margin: 6px 0 0;
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-contact .step-card__list {
  margin: 0;
  padding-left: 1.05em;
  display: grid;
  gap: 5px;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .step-card__list li::marker {
  color: var(--gold);
}

/* ---------- 进度跟踪 ---------- */
.page-contact .data-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-contact .section .grid > .col-7 .lede {
  margin-top: 0;
}

.page-contact .table-scroll {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.page-contact .data-table td,
.page-contact .data-table th {
  vertical-align: top;
  line-height: 1.7;
}

.page-contact .col-7 .note {
  margin-top: 18px;
}

.page-contact .col-7 .note a {
  color: var(--deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系信息 ---------- */
.page-contact .info-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .info-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .info-term {
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-contact .info-value {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  font-size: .98rem;
  line-height: 1.72;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .info-value .mono {
  letter-spacing: -0.01em;
}

.page-contact .section--linen .note {
  margin-top: 22px;
  max-width: 62ch;
}

.page-contact .section--linen .cluster {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ---------- 边界说明 ---------- */
.page-contact .boundary-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ct-dark-line);
}

.page-contact .boundary-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-dark-line);
}

.page-contact .boundary-term {
  margin: 0;
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--gold-soft);
}

.page-contact .boundary-text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.82;
  color: var(--on-dark);
}

.page-contact .boundary-text a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .section--night .figure {
  margin-top: 34px;
}

.page-contact .closing {
  margin-top: 54px;
  display: block;
}

/* ---------- 复制按钮的页面微调 ---------- */
.page-contact .copy-btn {
  align-items: center;
  gap: 8px;
}

.page-contact .copy-btn__value {
  white-space: nowrap;
}

.page-contact .copy-btn__hint {
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--gold);
  min-height: 1em;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .window-list li {
    grid-template-columns: minmax(160px, 210px) 1fr;
    align-items: baseline;
    gap: 6px 18px;
  }

  .page-contact .info-row {
    grid-template-columns: minmax(120px, 160px) 1fr;
    align-items: baseline;
    gap: 8px 20px;
  }

  .page-contact .boundary-item {
    grid-template-columns: minmax(120px, 150px) 1fr;
    align-items: baseline;
    gap: 6px 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .page-head {
    padding: 34px 0 72px;
  }

  .page-contact .response-panel {
    margin-top: 0;
    padding-left: var(--ct-gap);
    border-left: 1px solid var(--ct-gold-line);
  }

  .page-contact .section--night .figure {
    margin-top: 0;
  }

  .page-contact .step-card {
    flex-basis: min(38vw, 340px);
  }

  .page-contact .section--sand .figure {
    margin-top: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .step-card {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .step-card:hover,
  .page-contact .step-card:focus-within {
    transform: none;
  }
}