.page-faq {
  --faq-rule: rgba(8, 26, 58, 0.13);
  --faq-card: #ffffff;
  --faq-side: 236px;
  background: var(--mist);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-faq [id] {
  scroll-margin-top: 6rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--indigo);
  color: var(--mist);
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(30, 158, 122, 0.34), transparent 62%),
    linear-gradient(108deg, rgba(8, 26, 58, 0.96) 32%, rgba(8, 26, 58, 0.62) 70%, rgba(17, 43, 92, 0.5));
}

.page-faq .faq-hero__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.5rem) var(--gutter) clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-note);
}

.page-faq .faq-hero .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .faq-hero .breadcrumb li + li::before {
  content: "/";
  color: rgba(245, 247, 251, 0.38);
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(245, 247, 251, 0.72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-faq .faq-hero .eyebrow {
  display: block;
  margin: 0;
  color: var(--gold-soft);
  letter-spacing: 0.2em;
  font-size: var(--fs-note);
  font-weight: 500;
}

.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.85rem, 6.4vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 0;
  max-width: 18ch;
  color: var(--mist);
}

.page-faq .faq-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 48ch;
  color: rgba(245, 247, 251, 0.84);
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
}

.page-faq .faq-hero__aside {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.2rem;
}

.page-faq .faq-hero__hint {
  margin: 0;
  font-size: var(--fs-note);
  color: rgba(245, 247, 251, 0.62);
  letter-spacing: 0.06em;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-shell {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.75rem) var(--gutter) clamp(3rem, 7vw, 5.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-legend {
  border-top: 1px solid var(--faq-rule);
  padding-top: 1rem;
}

.page-faq .faq-legend__title {
  margin: 0 0 0.75rem;
  font-size: var(--fs-note);
  letter-spacing: 0.18em;
  color: var(--copper);
  text-transform: uppercase;
}

.page-faq .faq-legend__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.4rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-faq .faq-legend__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--indigo);
  text-decoration: none;
  font-size: var(--fs-small);
  line-height: 1.3;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-legend__link:hover,
.page-faq .faq-legend__link:focus-visible {
  border-color: var(--copper);
  background: rgba(214, 161, 90, 0.14);
}

.page-faq .faq-legend__no {
  color: var(--copper);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-legend__count {
  color: rgba(29, 38, 53, 0.45);
  font-size: 0.7rem;
}

.page-faq .faq-legend__note {
  margin: 0.9rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: rgba(29, 38, 53, 0.62);
  max-width: 40ch;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-group:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--copper);
  padding-top: 0.45rem;
  border-top: 2px solid var(--copper);
  min-width: 2.2rem;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  line-height: 1.3;
  color: var(--indigo);
}

.page-faq .faq-group__intro {
  margin: 0.55rem 0 0;
  max-width: 58ch;
  color: rgba(29, 38, 53, 0.78);
  font-size: var(--fs-small);
  line-height: 1.75;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.5rem;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--faq-rule);
}

.page-faq .faq-figure__caption {
  margin: 0.6rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: rgba(29, 38, 53, 0.6);
  padding-left: 0.85rem;
  border-left: 2px solid var(--jade);
}

/* ---------- 折叠问答节点 ---------- */
.page-faq .faq-node {
  position: relative;
  margin-bottom: 0.7rem;
  background: var(--faq-card);
  border: 1px solid var(--faq-rule);
  border-left: 3px solid rgba(214, 161, 90, 0.45);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-node[open] {
  border-left-color: var(--copper);
  box-shadow: 0 16px 34px -26px rgba(8, 26, 58, 0.55);
}

.page-faq .faq-node__q {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem 2.6rem 1rem 1rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.99rem;
  line-height: 1.5;
  color: var(--indigo);
}

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

.page-faq .faq-node__q::after {
  content: "";
  position: absolute;
  right: 1.15rem;
  top: 1.35rem;
  width: 0.48rem;
  height: 0.48rem;
  border-right: 2px solid var(--copper);
  border-bottom: 2px solid var(--copper);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-node[open] > .faq-node__q::after {
  transform: rotate(225deg);
  top: 1.55rem;
}

.page-faq .faq-node__q:hover {
  color: var(--copper);
}

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

.page-faq .faq-node__num {
  flex: 0 0 auto;
  padding-top: 0.25rem;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-faq .faq-node__a {
  padding: 0 1rem 1.15rem;
  border-top: 1px dashed var(--faq-rule);
  margin-top: -0.15rem;
}

.page-faq .faq-node__a > p {
  margin: 0.95rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(29, 38, 53, 0.86);
}

.page-faq .faq-node__a > p + p {
  margin-top: 0.7rem;
}

.page-faq .faq-node__a a {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 122, 53, 0.45);
}

.page-faq .faq-node__a a:hover {
  color: var(--indigo);
  border-bottom-color: var(--indigo);
}

/* ---------- 步骤与要点 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 2.5rem;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: rgba(29, 38, 53, 0.84);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.7rem;
  height: 1.7rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--indigo);
  background: rgba(214, 161, 90, 0.2);
  border: 1px solid rgba(214, 161, 90, 0.55);
  border-radius: 50%;
}

.page-faq .faq-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.84rem;
  top: 1.95rem;
  bottom: -0.75rem;
  width: 1px;
  background: var(--line-light);
}

.page-faq .faq-steps__label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 0.1rem;
}

.page-faq .faq-bullets {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 1.15rem;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: rgba(29, 38, 53, 0.84);
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-faq .faq-node__note {
  margin: 0.9rem 0 0;
  padding: 0.65rem 0.85rem;
  border-left: 2px solid var(--jade);
  background: rgba(30, 158, 122, 0.07);
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    column-gap: 3rem;
    align-items: end;
  }

  .page-faq .faq-hero .breadcrumb {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero__aside {
    justify-content: flex-end;
    padding-bottom: 0.4rem;
  }

  .page-faq .faq-node__q {
    font-size: 1.05rem;
    padding: 1.15rem 3rem 1.15rem 1.25rem;
  }

  .page-faq .faq-node__a {
    padding: 0 1.35rem 1.35rem;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }

  .page-faq .faq-legend {
    position: sticky;
    top: 7rem;
    border-top: 0;
    padding-top: 0;
    align-self: start;
  }

  .page-faq .faq-legend__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-legend__list li {
    margin-bottom: 0.3rem;
  }

  .page-faq .faq-legend__link {
    border: 0;
    border-left: 2px solid var(--line-light);
    border-radius: 0;
    background: transparent;
    padding: 0.5rem 0.75rem;
    font-size: 0.92rem;
  }

  .page-faq .faq-legend__link:hover,
  .page-faq .faq-legend__link:focus-visible {
    border-left-color: var(--copper);
    background: rgba(214, 161, 90, 0.1);
  }

  .page-faq .faq-legend__label {
    flex: 1 1 auto;
  }

  .page-faq .faq-figure {
    margin-bottom: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-node__q::after,
  .page-faq .faq-node,
  .page-faq .faq-legend__link {
    transition: none;
  }
}
<<<END>>>