.page-faq {
  --faq-index-w: 256px;
  --faq-rule: rgba(42, 74, 112, 0.75);
  background: var(--night);
  color: var(--snow);
  overflow-x: clip;
  padding-bottom: 0;
}

.page-faq .page-top {
  padding-top: calc(var(--header-h) + 52px);
  padding-bottom: 44px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  display: inline-block;
  margin: 0 10px;
  color: var(--star);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--orange);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--snow);
}

/* ---------- 首屏介绍 ---------- */
.page-faq .faq-intro {
  max-width: 780px;
}

.page-faq .faq-kicker {
  display: inline-block;
  margin: 0 0 20px;
  padding: 5px 12px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-faq .faq-intro h1 {
  margin: 0 0 24px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.2;
  letter-spacing: 0.035em;
  font-weight: 800;
  color: var(--snow);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 66ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-bottom: 88px;
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index-kicker {
  display: block;
  margin: 0 0 14px;
  padding: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--star);
  border-bottom: 1px solid var(--star);
}

.page-faq .faq-index-list > li + li {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-index-link {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 10px 14px 16px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-index-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.22s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--snow);
  background: rgba(42, 74, 112, 0.34);
}

.page-faq .faq-index-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .faq-index-link.is-active {
  color: var(--snow);
  background: rgba(42, 74, 112, 0.24);
}

.page-faq .faq-index-link.is-active::before {
  transform: scaleY(1);
}

.page-faq .faq-index-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

/* ---------- 右侧答案组 ---------- */
.page-faq .faq-answers {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-faq .faq-item {
  background: var(--lake);
  border: 1px solid var(--star);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 22px;
  background: transparent;
  border: 0;
  color: var(--snow);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: background-color 0.18s var(--ease);
}

.page-faq .faq-q:hover {
  background: rgba(42, 74, 112, 0.4);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .faq-q-num {
  flex: none;
  padding: 5px 8px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-q-title {
  display: block;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.015em;
  color: var(--snow);
}

.page-faq .faq-q-sign {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-faq .faq-q-sign::before,
.page-faq .faq-q-sign::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-q-sign::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-q-sign::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-faq .faq-q[aria-expanded="true"] .faq-q-sign::after {
  transform: scaleY(0);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q-sign::before {
  background: var(--orange);
}

/* ---------- 展开内容 ---------- */
.page-faq .expand-panel-inner {
  padding: 4px 22px 30px;
  border-top: 1px solid var(--star);
  overflow: hidden;
}

.page-faq .faq-body {
  padding-top: 24px;
}

.page-faq .faq-body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-body strong {
  color: var(--snow);
  font-weight: 700;
}

.page-faq .faq-body a {
  color: var(--amber);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-body a:hover,
.page-faq .faq-body a:focus-visible {
  color: var(--orange);
}

/* ---------- 步骤列表 ---------- */
.page-faq .step-list {
  list-style: none;
  counter-reset: faqstep;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .step-list > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 50px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .step-list > li:last-child {
  margin-bottom: 0;
}

.page-faq .step-list > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--orange);
  color: var(--orange);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 29px;
  text-align: center;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 编号偏移说明 ---------- */
.page-faq .faq-facts {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-left: 1px solid var(--star);
}

.page-faq .faq-facts > li {
  padding: 13px 0 13px 18px;
}

.page-faq .faq-facts > li + li {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-fact-key {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--amber);
}

.page-faq .faq-fact-desc {
  display: block;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 编号对照示意图 ---------- */
.page-faq .faq-diagram {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  margin: 26px 0 8px;
  padding: 18px 16px;
  background: var(--night);
  border: 1px solid var(--star);
}

.page-faq .faq-diagram-caption {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  fill: var(--mist);
}

.page-faq .faq-diagram-line {
  stroke: var(--star);
  stroke-width: 1;
}

.page-faq .faq-diagram-link line {
  stroke: var(--amber);
  stroke-width: 1;
  stroke-dasharray: 3 5;
  opacity: 0.75;
}

.page-faq .faq-diagram-node circle {
  fill: var(--orange);
}

.page-faq .faq-diagram-node--amber circle {
  fill: var(--amber);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .media-frame {
  background: var(--night);
  border: 1px solid var(--star);
  overflow: hidden;
  line-height: 0;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-faq .faq-figure--tall {
  max-width: 320px;
}

/* ---------- 速查问答 ---------- */
.page-faq .faq-quick {
  margin: 0 0 22px;
  border-top: 1px solid var(--star);
}

.page-faq .faq-quick-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-quick-item dt {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--snow);
}

.page-faq .faq-quick-item dt::before {
  content: "／";
  margin-right: 6px;
  color: var(--orange);
  font-family: var(--mono);
}

.page-faq .faq-quick-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-quick-item dd a {
  color: var(--amber);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-more {
  margin: 0;
  padding-top: 4px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding-bottom: 96px;
}

.page-faq .faq-cta-inner {
  position: relative;
  padding: 40px 28px;
  border: 1px solid var(--star);
  background:
    linear-gradient(140deg, rgba(242, 101, 34, 0.16), rgba(242, 101, 34, 0) 48%),
    linear-gradient(0deg, rgba(11, 27, 51, 0.4), rgba(11, 27, 51, 0.4)),
    var(--lake);
}

.page-faq .faq-cta-inner::after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  top: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--amber) 38%, transparent 82%);
}

.page-faq .faq-cta-kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-cta-inner h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.35;
  letter-spacing: 0.03em;
  font-weight: 800;
  color: var(--snow);
}

.page-faq .faq-cta-inner > p {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border: 1px solid var(--orange);
  background: var(--orange);
  color: var(--night);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .btn:hover,
.page-faq .btn:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--night);
}

.page-faq .btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .btn--ghost {
  background: transparent;
  border-color: var(--star);
  color: var(--snow);
}

.page-faq .btn--ghost:hover,
.page-faq .btn--ghost:focus-visible {
  background: transparent;
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 窄屏调整 ---------- */
@media (max-width: 620px) {
  .page-faq .page-top {
    padding-top: calc(var(--header-h) + 34px);
    padding-bottom: 32px;
  }

  .page-faq .breadcrumb ol {
    margin-bottom: 22px;
  }

  .page-faq .faq-lead {
    font-size: 16px;
    line-height: 1.78;
  }

  .page-faq .faq-shell {
    gap: 24px;
    padding-bottom: 64px;
  }

  .page-faq .faq-q {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 16px 14px;
  }

  .page-faq .faq-q-num {
    padding: 4px 6px;
    font-size: 12px;
  }

  .page-faq .faq-q-title {
    font-size: 15.5px;
    line-height: 1.58;
  }

  .page-faq .expand-panel-inner {
    padding: 2px 14px 24px;
  }

  .page-faq .faq-body {
    padding-top: 20px;
  }

  .page-faq .faq-body p,
  .page-faq .faq-fact-desc,
  .page-faq .step-list > li {
    font-size: 15px;
  }

  .page-faq .step-list > li {
    padding-left: 42px;
  }

  .page-faq .step-list > li::before {
    width: 28px;
    height: 28px;
    line-height: 25px;
    font-size: 11px;
  }

  .page-faq .faq-diagram {
    padding: 12px 10px;
  }

  .page-faq .faq-figure--tall {
    max-width: 100%;
  }

  .page-faq .faq-cta {
    padding-bottom: 68px;
  }

  .page-faq .faq-cta-inner {
    padding: 30px 20px;
  }

  .page-faq .faq-cta-inner::after {
    left: 20px;
    right: 20px;
  }

  .page-faq .faq-cta-actions .btn {
    flex: 1 1 100%;
  }
}

/* ---------- 桌面：左侧索引固定 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-faq .faq-q {
    padding: 24px 26px;
  }

  .page-faq .expand-panel-inner {
    padding: 2px 26px 34px;
  }

  .page-faq .faq-cta-inner {
    padding: 52px 44px;
  }

  .page-faq .faq-cta-inner::after {
    left: 44px;
    right: 44px;
  }

  .page-faq .faq-diagram {
    padding: 24px 26px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-q-title {
    font-size: 19px;
  }
}
<<<END>>>