/* ===== 咨询通道 · 页面专属样式（作用域 .page-contact） ===== */
.page-contact {
  --pc-ink-soft: rgba(11, 16, 48, 0.74);
  --pc-ink-faint: rgba(11, 16, 48, 0.56);
  background: var(--indigo);
  color: var(--on-indigo);
  overflow-x: clip;
}

.page-contact .section--ink { background: var(--ink); }
.page-contact .section--paper { background: var(--paper); color: var(--ink); }
.page-contact .contact-topics,
.page-contact .contact-scope { background: var(--indigo); }

.page-contact .chapter { margin-bottom: 18px; }
.page-contact .chapter__num { color: var(--orange); }
.page-contact .chapter__title { color: var(--on-indigo); }
.page-contact .section--paper .chapter__num { color: var(--saffron); }
.page-contact .section--paper .chapter__title { color: var(--ink); }

.page-contact .eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(28px, 5vw, 48px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}
.page-contact .breadcrumbs__link {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}
.page-contact .breadcrumbs__link:hover { color: var(--lime); border-bottom-color: var(--lime); }
.page-contact .breadcrumbs__sep { color: var(--hair-strong); }
.page-contact .breadcrumbs__current { color: var(--on-indigo); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero { padding-block: clamp(40px, 8vw, 88px) clamp(34px, 6vw, 60px); }
.page-contact .contact-hero__grid { display: grid; gap: 36px; }
.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  transform: skewX(-2deg);
  color: var(--on-indigo);
}
.page-contact .contact-hero__lead {
  max-width: 52ch;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--on-indigo-soft);
}
.page-contact .contact-hero__meta {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--hair);
  list-style: none;
  font-size: 14px;
  color: var(--on-indigo-soft);
}
.page-contact .contact-hero__meta .mono {
  display: inline-block;
  min-width: 76px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---------- 媒体占位 ---------- */
.page-contact .media { margin: 0; }
.page-contact .media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hair-strong);
}
.page-contact .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}
.page-contact .contact-hero__figure img { aspect-ratio: 3 / 2; }
.page-contact .contact-archive__figure img { aspect-ratio: 10 / 7; }
.page-contact .section--paper .media img { border-color: var(--paper-hair); }
.page-contact .section--paper .media__caption { color: var(--pc-ink-faint); }

/* ---------- 联系信息台 ---------- */
.page-contact .contact-desk {
  padding-block: clamp(34px, 6vw, 68px) clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--hair);
}
.page-contact .contact-desk__chapter { margin-bottom: 12px; }
.page-contact .contact-desk__note {
  max-width: 56ch;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-indigo-soft);
}
.page-contact .contact-cards { display: grid; gap: 14px; }
.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 24px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-top: 4px solid var(--orange);
  transition: transform 120ms var(--ease), border-color 120ms var(--ease);
}
.page-contact .contact-card:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  border-top-color: var(--orange);
}
.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--saffron);
}
.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .contact-card__value--sm { font-size: 15px; }
a.contact-card__value {
  text-decoration: none;
  border-bottom: 1px dashed var(--paper-hair);
  transition: background 120ms var(--ease), box-shadow 120ms var(--ease);
}
.page-contact .contact-card__value:target {
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--lime);
}
.page-contact .contact-card__tip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--saffron);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 120ms var(--ease), transform 120ms var(--ease);
}
.page-contact .contact-card__value:target + .contact-card__tip { opacity: 1; transform: translateY(0); }
.page-contact .contact-card__use {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

/* ---------- 咨询分类 ---------- */
.page-contact .contact-topics { padding-block: clamp(48px, 8vw, 96px); }
.page-contact .contact-topics__lead {
  max-width: 58ch;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-indigo-soft);
}
.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--hair);
}
.page-contact .topic {
  padding: 26px 18px 30px;
  border-bottom: 1px solid var(--hair);
  border-left: 2px solid transparent;
  transition: background 140ms var(--ease), border-left-color 120ms var(--ease);
}
.page-contact .topic:hover,
.page-contact .topic:focus-within {
  background: var(--ink);
  border-left-color: var(--lime);
}
.page-contact .topic__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--orange);
}
.page-contact .topic__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--on-indigo);
}
.page-contact .topic__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-indigo-soft);
}
.page-contact .topic__list {
  display: grid;
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.page-contact .topic__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}
.page-contact .topic__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--hair-strong);
}
.page-contact .topic__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms var(--ease);
}
.page-contact .topic__link:hover { border-bottom-color: var(--lime); }

/* ---------- 资料索取 ---------- */
.page-contact .contact-archive { padding-block: clamp(48px, 8vw, 96px); }
.page-contact .contact-archive__grid { display: grid; gap: 32px; }
.page-contact .contact-archive__lead {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}
.page-contact .spec-list { border-top: 1px solid var(--paper-hair); }
.page-contact .spec-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--paper-hair);
}
.page-contact .spec-row__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--saffron);
}
.page-contact .spec-row__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 回复节奏与边界 ---------- */
.page-contact .contact-scope { padding-block: clamp(48px, 8vw, 96px); }
.page-contact .scope-grid { display: grid; gap: 28px; }
.page-contact .scope-panel {
  padding-top: 22px;
  border-top: 3px solid var(--lime);
}
.page-contact .scope-panel--muted { border-top-color: var(--saffron); }
.page-contact .scope-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--on-indigo);
}
.page-contact .scope-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .scope-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-indigo-soft);
}
.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--lime);
}
.page-contact .scope-list--no li::before { background: var(--orange); }
.page-contact .scope-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}
.page-contact .scope-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-strong);
  transition: border-color 120ms var(--ease);
}
.page-contact .scope-note a:hover { border-bottom-color: var(--lime); }

/* ---------- 准备清单 ---------- */
.page-contact .contact-checklist { padding-block: clamp(48px, 8vw, 96px) clamp(64px, 10vw, 120px); }
.page-contact .contact-checklist__lead {
  max-width: 56ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}
.page-contact .check-grid { display: grid; gap: 0; border-top: 1px solid var(--paper-hair); }
.page-contact .check {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--paper-hair);
  cursor: pointer;
  transition: background 120ms var(--ease);
}
.page-contact .check:hover { background: rgba(11, 16, 48, 0.045); }
.page-contact .check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .check__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1.5px solid var(--ink);
  background: transparent;
  transition: background 120ms var(--ease), border-color 120ms var(--ease);
}
.page-contact .check__mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(40deg) scale(0.6);
  opacity: 0;
  transition: opacity 120ms var(--ease), transform 120ms var(--ease);
}
.page-contact .check__input:checked + .check__mark {
  background: var(--orange);
  border-color: var(--orange);
}
.page-contact .check__input:checked + .check__mark::after { opacity: 1; transform: rotate(40deg) scale(1); }
.page-contact .check__input:focus-visible + .check__mark { box-shadow: 0 0 0 2px var(--saffron); }
.page-contact .check__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}
.page-contact .check__text .mono {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ---------- 收束入口 ---------- */
.page-contact .contact-closing {
  margin-top: 40px;
  padding: 26px 22px;
  background: var(--indigo);
  color: var(--on-indigo);
  border-left: 3px solid var(--lime);
}
.page-contact .contact-closing__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--on-indigo);
}
.page-contact .contact-closing__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-indigo-soft);
}
.page-contact .contact-closing__text .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--lime);
}
.page-contact .contact-closing__text a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-strong);
  transition: border-color 120ms var(--ease);
}
.page-contact .contact-closing__text a:hover { border-bottom-color: var(--lime); }

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .contact-hero__meta { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .page-contact .contact-hero__meta .mono { display: block; margin-bottom: 6px; }
  .page-contact .spec-row {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
  .page-contact .spec-row__key { margin-bottom: 0; }
}

@media (min-width: 760px) {
  .page-contact .topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .topic { padding-inline: 24px; }
  .page-contact .check-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; }
}

@media (min-width: 880px) {
  .page-contact .contact-cards { grid-template-columns: 4fr 4fr 3fr; gap: var(--gap); }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gap);
    align-items: end;
  }
  .page-contact .contact-archive__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
  .page-contact .scope-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
}

@media (min-width: 1100px) {
  .page-contact .topic-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-contact .topic { padding-inline: 20px; }
}
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