.page-faq {
  --faq-tone: var(--gold);
  --faq-line: var(--line);
  --faq-soft: rgba(244, 241, 234, .8);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  margin-top: clamp(16px, 2.6vw, 30px);
}
.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--slate);
}
.page-faq .breadcrumbs__list a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .breadcrumbs__list a:hover,
.page-faq .breadcrumbs__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-faq .breadcrumbs__sep {
  color: var(--line);
}
.page-faq .breadcrumbs__current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding-block: clamp(22px, 3.4vw, 44px) clamp(28px, 4.4vw, 58px);
  align-items: start;
}

.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--vermilion-soft);
  text-transform: uppercase;
}
.page-faq .faq-hero__eyebrow::before {
  content: "";
  flex: 0 0 auto;
  width: 26px;
  height: 3px;
  background: var(--vermilion);
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  max-width: 24ch;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.14;
  letter-spacing: .02em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-faq .faq-hero__lede {
  margin: 0 0 24px;
  max-width: 64ch;
  font-size: clamp(15px, 1.05vw, 16.5px);
  line-height: 1.95;
  color: var(--faq-soft);
}

.page-faq .faq-hero__facts {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 2px solid var(--faq-line);
}
.page-faq .faq-fact__num {
  display: block;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--gold);
}
.page-faq .faq-fact__label {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 3px solid var(--hair-strong);
  background: var(--ink-deep);
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}
.page-faq .faq-hero__figure .figure__caption {
  padding: 10px 14px;
  border-top: 2px solid var(--hair-strong);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 46px);
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

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

.page-faq .index__link {
  display: block;
  padding: 8px 13px;
  border: 2px solid var(--faq-line);
  color: var(--faq-soft);
  font-size: 13.5px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.page-faq .index__link:hover,
.page-faq .index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-faq .index__link[aria-current="true"] {
  border-color: var(--cyan);
  background: rgba(47, 209, 197, .12);
  color: var(--paper);
}

.page-faq .faq-side__card {
  margin-top: 22px;
  padding: 16px;
  border: 2px solid var(--faq-line);
  border-left: 4px solid var(--gold);
  background: rgba(19, 42, 71, .62);
}
.page-faq .faq-side__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-faq .faq-side__mail {
  display: block;
  margin: 8px 0 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-all;
}
.page-faq .faq-side__copy {
  width: 100%;
}
.page-faq .faq-side__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate);
}
.page-faq .faq-side__note a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  --faq-tone: var(--gold);
  padding-top: clamp(30px, 4vw, 48px);
  scroll-margin-top: calc(var(--bar-h) + 26px);
}
.page-faq .faq-group:first-child {
  padding-top: 0;
}
.page-faq .faq-group--cyan { --faq-tone: var(--cyan); }
.page-faq .faq-group--violet { --faq-tone: var(--violet); }
.page-faq .faq-group--verm { --faq-tone: var(--vermilion); }
.page-faq .faq-group--gold { --faq-tone: var(--gold); }

.page-faq .faq-group__head {
  margin-bottom: 18px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--faq-line);
}
.page-faq .faq-group__idx {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--faq-tone);
}
.page-faq .faq-group__idx::after {
  content: "";
  flex: 0 0 52px;
  height: 3px;
  background: var(--faq-tone);
  opacity: .6;
}
.page-faq .faq-group__title {
  margin: 0 0 9px;
  font-size: clamp(23px, 3vw, 36px);
  line-height: 1.22;
  letter-spacing: .03em;
  color: var(--paper);
  overflow-wrap: break-word;
}
.page-faq .faq-group__lede {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 241, 234, .72);
}

.page-faq .faq-group__body {
  display: grid;
  gap: 10px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  border: 2px solid var(--faq-line);
  background: rgba(11, 27, 51, .6);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}
.page-faq .faq-q:hover {
  border-color: rgba(94, 114, 134, .72);
}
.page-faq .faq-q[open] {
  border-color: var(--faq-tone);
  background: rgba(19, 42, 71, .86);
}

.page-faq .faq-q__btn {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  margin: 0;
  padding: 15px 16px;
  border: 0;
  background: none;
  color: var(--paper);
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  text-align: left;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-q__btn::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  min-width: 18px;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--faq-tone);
}
.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: break-word;
}

.page-faq .faq-q__chev {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-top: 8px;
  color: var(--faq-tone);
}
.page-faq .faq-q__chev::before,
.page-faq .faq-q__chev::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}
.page-faq .faq-q__chev::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.page-faq .faq-q__chev::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}
.page-faq .faq-q[open] .faq-q__chev::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__panel {
  padding: 0 16px 16px 46px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--faq-soft);
}
.page-faq .faq-q__panel p {
  margin: 0;
}
.page-faq .faq-q__panel p + p {
  margin-top: 10px;
}
.page-faq .faq-q__panel a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 区域频次配图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 2px;
  border: 2px solid var(--faq-line);
  background: rgba(11, 27, 51, .6);
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-faq .faq-figure .figure__caption {
  padding: 11px 14px;
  border-top: 2px solid var(--faq-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (max-width: 479px) {
  .page-faq .faq-q__panel {
    padding-left: 16px;
  }
  .page-faq .faq-hero__facts {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
  .page-faq .faq-hero__figure {
    display: flex;
    flex-direction: column;
    align-self: stretch;
  }
  .page-faq .faq-hero__figure img {
    flex: 1 1 auto;
    height: 100%;
    min-height: 300px;
    aspect-ratio: auto;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(30px, 3.4vw, 58px);
  }
  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    align-self: start;
  }
  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .index__link {
    border-left-width: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .index__link,
  .page-faq .faq-q,
  .page-faq .faq-q__chev::before,
  .page-faq .faq-q__chev::after,
  .page-faq .breadcrumbs__list a {
    transition: none;
  }
}
<<<END>>>