.page-faq {
  --faq-aside: 236px;
  --faq-gap: clamp(26px, 3.4vw, 54px);
  position: relative;
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-faq .breadcrumbs {
  margin: clamp(18px, 2.4vw, 30px) 0 clamp(6px, 1vw, 12px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(18px, 2.6vw, 34px) 0 clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  height: 74%;
  background: linear-gradient(114deg, var(--storm-blue) 0 52%, transparent 52.4% 100%);
  opacity: .6;
  pointer-events: none;
}

.page-faq .faq-hero__copy {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 7vw, 64px);
  line-height: .98;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 14px;
}

.page-faq .faq-hero__lead {
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.4vw, 19px);
  line-height: 1.68;
  color: var(--paper);
  opacity: .86;
  margin: 0;
  max-width: 34em;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 20px 0 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--bolt);
}

.page-faq .faq-hero__sep {
  width: 26px;
  height: 1px;
  background: var(--steel);
  display: inline-block;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--edge);
  background: var(--cloud);
  overflow: hidden;
  box-shadow: 9px 11px 0 -3px rgba(0, 229, 255, .12);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.78) contrast(1.06);
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: end;
  }
}

/* ---------- 斜向连接线 ---------- */
.page-faq .faq-slash {
  display: block;
  width: 100%;
  height: clamp(24px, 4vw, 46px);
  overflow: visible;
  margin: clamp(4px, 1vw, 12px) 0 clamp(10px, 1.6vw, 20px);
}

.page-faq .faq-slash line {
  stroke: var(--steel);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-aside) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 分类栏 ---------- */
.page-faq .faq-cats {
  border-top: 1px solid var(--edge-soft);
  padding-top: 16px;
}

.page-faq .faq-cats h2 {
  color: var(--grey);
}

@media (min-width: 900px) {
  .page-faq .faq-cats {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }
}

.page-faq .faq-cats__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-cats__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px 9px 11px;
  border-left: 3px solid transparent;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color 120ms var(--ease), color 120ms var(--ease), background 120ms var(--ease);
}

.page-faq .faq-cats__link:hover,
.page-faq .faq-cats__link:focus-visible {
  border-left-color: var(--bolt);
  color: var(--paper);
  background: rgba(0, 229, 255, .06);
  text-decoration: none;
}

.page-faq .faq-cats__num {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--steel);
  transition: color 120ms var(--ease);
}

.page-faq .faq-cats__link:hover .faq-cats__num,
.page-faq .faq-cats__link:focus-visible .faq-cats__num {
  color: var(--bolt);
}

.page-faq .faq-cats__fig {
  margin: 22px 0 0;
  border: 1px solid var(--edge-soft);
  overflow: hidden;
}

.page-faq .faq-cats__fig img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.66) contrast(1.05);
}

@media (max-width: 899px) {
  .page-faq .faq-cats__list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(158px, 1fr);
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
  }
  .page-faq .faq-cats__link {
    border-left: 0;
    border-top: 3px solid transparent;
    padding: 10px 8px 10px 2px;
  }
  .page-faq .faq-cats__link:hover,
  .page-faq .faq-cats__link:focus-visible {
    border-left-color: transparent;
    border-top-color: var(--bolt);
  }
  .page-faq .faq-cats__fig {
    display: none;
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(38px, 5vw, 68px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

.page-faq .faq-group__head {
  padding-bottom: 14px;
  border-bottom: 2px solid var(--storm-blue);
  margin-bottom: 4px;
}

.page-faq .faq-group__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--bolt);
  margin-bottom: 9px;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-faq .faq-group__lead {
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--grey);
  margin: 0;
  max-width: 38em;
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--edge-soft);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 17px 4px 17px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  transition: color 120ms var(--ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--bolt);
}

.page-faq .faq-item__idx {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--steel);
  transition: color 120ms var(--ease);
}

.page-faq .faq-item__q:hover .faq-item__idx,
.page-faq .faq-item[open] .faq-item__idx {
  color: var(--bolt);
}

.page-faq .faq-item__text {
  min-width: 0;
}

.page-faq .faq-item__arrow {
  width: 12px;
  height: 12px;
  flex: none;
  color: var(--steel);
  transition: transform 200ms var(--ease), color 120ms var(--ease);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(180deg);
  color: var(--bolt);
}

.page-faq .faq-item__a {
  background: var(--cloud);
  border-left: 2px solid var(--steel);
  padding: 16px 20px 18px 20px;
  margin: 0 0 3px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
  opacity: .92;
  max-width: 36em;
}

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

.page-faq .faq-item__a a {
  color: var(--bolt);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .42);
  transition: border-color 120ms var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  border-bottom-color: var(--bolt);
}

.page-faq .faq-points {
  margin: 6px 0 12px;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper);
  opacity: .9;
}

.page-faq .faq-points li {
  margin-bottom: 4px;
}

.page-faq .faq-points li:last-child {
  margin-bottom: 0;
}

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

.page-faq .faq-num {
  display: inline-block;
  padding: 0 5px;
  background: var(--yellow);
  color: var(--night);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .92em;
  line-height: 1.55;
  border-radius: 2px;
}

/* ---------- 收尾区块 ---------- */
.page-faq .faq-cta {
  position: relative;
  border: 1px solid var(--edge);
  background: linear-gradient(160deg, var(--deep) 0%, var(--storm-blue) 100%);
  padding: clamp(24px, 3.4vw, 40px);
  box-shadow: 10px 12px 0 -3px rgba(0, 229, 255, .1);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .faq-cta__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-faq .faq-cta__lead {
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--paper);
  opacity: .86;
  margin: 0 0 20px;
  max-width: 40em;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .faq-tpl {
  border: 1px dashed var(--edge);
  background: rgba(6, 14, 23, .55);
  padding: 14px 18px 16px;
}

.page-faq .faq-tpl__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bolt);
  margin: 0 0 9px;
}

.page-faq .faq-tpl__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-tpl__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
  opacity: .9;
}

.page-faq .faq-tpl__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--steel);
}

@media (max-width: 600px) {
  .page-faq .faq-item__q {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 9px;
    font-size: 15px;
    padding: 15px 2px 15px 0;
  }
  .page-faq .faq-item__a {
    padding: 14px 15px 16px 15px;
  }
  .page-faq .faq-hero__meta {
    font-size: 11.5px;
  }
  .page-faq .faq-hero__sep {
    display: none;
  }
}
<<<END>>>