.page-faq {
  overflow-x: clip;
  padding-block: 20px 64px;
}

.page-faq .breadcrumb {
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-shell {
  display: grid;
  gap: 22px;
}

/* ---------- 左侧分类轨道 ---------- */
.page-faq .faq-rail {
  border: 2px solid var(--grid-line);
  background: var(--blueprint);
  box-shadow: var(--shadow-hard);
  padding: 14px;
}

.page-faq .faq-rail__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 2px solid var(--grid-line);
  color: var(--ice);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-rail__glyph {
  flex: 0 0 auto;
  color: var(--cyan);
}

.page-faq .faq-rail__label {
  font-family: var(--font-body);
}

.page-faq .faq-rail__count {
  font-size: 11px;
  line-height: 18px;
  padding: 0 5px;
  border: 1px solid var(--grid-line);
  color: var(--mist);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 106, 26, .1);
  color: var(--ice);
}

.page-faq .faq-rail__link:hover .faq-rail__count,
.page-faq .faq-rail__link:focus-visible .faq-rail__count {
  border-color: var(--orange);
  color: var(--orange-soft);
}

.page-faq .faq-rail__note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--grid-line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  display: grid;
  gap: 20px;
}

.page-faq .faq-intro__text .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-faq .faq-intro h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(26px, 6.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-faq .faq-lead {
  max-width: 38ch;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-figure {
  margin: 0;
  border: 2px solid var(--grid-line);
  background: var(--blueprint);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-figure img,
.page-faq .faq-help__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  display: block;
  padding: 8px 12px;
  border-top: 2px solid var(--grid-line);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 章节 ---------- */
.page-faq .section {
  margin-top: 40px;
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-faq .section:target .section__num {
  background: var(--orange);
  color: var(--deep);
}

.page-faq .section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--grid-line);
}

.page-faq .section__num {
  flex: 0 0 auto;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
  border: 1px solid var(--grid-line);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(20px, 4.6vw, 30px);
  line-height: 1.14;
  color: var(--ice);
}

.page-faq .faq-sec__lead {
  max-width: 40ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 费用构成图示 ---------- */
.page-faq .fee-map {
  display: grid;
  gap: 10px;
  margin: 0 0 26px;
}

.page-faq .fee-layer {
  --lk: var(--orange);
  position: relative;
  display: flex;
  gap: 12px;
  padding: 14px 16px 14px 20px;
  border: 2px solid var(--grid-line);
  background: var(--blueprint);
  background-image: linear-gradient(100deg, rgba(28, 58, 107, .55), rgba(8, 17, 38, 0) 70%);
}

.page-faq .fee-layer::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--lk);
}

.page-faq .fee-layer:nth-child(2) { --lk: var(--cyan); }
.page-faq .fee-layer:nth-child(3) { --lk: var(--violet); }
.page-faq .fee-layer:nth-child(4) { --lk: var(--lime); }

.page-faq .fee-layer__tag {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--lk);
  padding-top: 3px;
}

.page-faq .fee-layer__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
  line-height: 1.3;
}

.page-faq .fee-layer__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-stack {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  position: relative;
  border: 2px solid var(--grid-line);
  background: var(--blueprint);
  box-shadow: 6px 6px 0 rgba(4, 9, 20, .85);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--orange);
}

.page-faq .qa[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
}

.page-faq .qa summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 14px 14px 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-faq .qa summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .qa__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ice);
}

.page-faq .qa__sign {
  flex: 0 0 auto;
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 2px solid var(--grid-line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa__sign::before {
  content: "+";
}

.page-faq .qa[open] .qa__sign {
  transform: rotate(45deg);
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .qa__body {
  padding: 0 16px 16px 16px;
  border-top: 1px dashed var(--grid-line);
  margin-top: 0;
  animation: faq-reveal var(--dur) var(--ease) both;
}

.page-faq .qa__body p {
  max-width: 38ch;
  margin: 14px 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .qa__link {
  display: inline-block;
  padding: 4px 0;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: text-decoration-thickness var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa__link:hover,
.page-faq .qa__link:focus-visible {
  color: var(--orange-soft);
  text-decoration-thickness: 3px;
}

/* ---------- 处理路径 ---------- */
.page-faq .faq-help__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-help__text p {
  max-width: 38ch;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-contact {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--grid-line);
}

.page-faq .faq-contact__item:first-child {
  border-top: 2px solid var(--grid-line);
}

.page-faq .faq-contact__label {
  flex: 0 0 92px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  font-size: 14.5px;
  color: var(--ice);
  word-break: break-all;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-help__figure {
  margin: 0;
  border: 2px solid var(--grid-line);
  background: var(--blueprint);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-help__tail {
  max-width: 44ch;
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--violet);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-help__tail .mono {
  color: var(--lime);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-intro {
    grid-template-columns: 1.1fr .9fr;
    align-items: end;
    gap: 26px;
  }

  .page-faq .fee-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .fee-layer {
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
  }

  .page-faq .qa__body {
    padding-left: 46px;
  }
}

@media (min-width: 1000px) {
  .page-faq {
    padding-block: 26px 88px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    padding: 18px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
    justify-content: flex-start;
  }

  .page-faq .section {
    margin-top: 52px;
  }

  .page-faq .qa__q {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__body {
    animation: none;
  }

  .page-faq .qa__sign,
  .page-faq .qa__link,
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>