.page-faq {
  --faq-aside: 160px;
  --faq-gap: 48px;
}

/* ---------- 面包屑留白 ---------- */
.page-faq .breadcrumb {
  margin-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-700);
  padding-block: clamp(32px, 6vw, 72px) clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(29, 49, 69, 0.6) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(29, 49, 69, 0.38) 0 1px, transparent 1px 120px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white-100);
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  max-width: var(--measure);
  color: var(--silver-200);
}

.page-faq .faq-hero__note {
  margin-top: 14px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver-500);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-700);
}

.page-faq .faq-hero__meta-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__meta-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--green-500);
  line-height: 1;
}

.page-faq .faq-hero__meta-label {
  font-size: 14px;
  color: var(--silver-500);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-700);
}

.page-faq .faq-hero__figure .figure__media {
  aspect-ratio: 14 / 9;
  overflow: hidden;
}

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

.page-faq .faq-hero__figure .figure__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-700);
  font-size: 13px;
  color: var(--silver-500);
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--faq-gap);
    align-items: center;
  }
}

/* ---------- 问题索引 ---------- */
.page-faq .faq-index {
  padding-block: clamp(36px, 5vw, 64px) clamp(24px, 3vw, 40px);
}

.page-faq .faq-index__hint {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--silver-500);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-faq .faq-index__row {
  border-bottom: 1px solid var(--line-700);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 18px 6px;
  text-decoration: none;
  color: var(--silver-200);
  transition: background var(--ease), color var(--ease), padding var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--steel-700);
  color: var(--white-100);
  padding-left: 14px;
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--silver-500);
  transition: color var(--ease);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--green-500);
}

.page-faq .faq-index__name {
  font-size: 16px;
  font-weight: 700;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--silver-500);
}

.page-faq .faq-index__cue {
  width: 8px;
  height: 8px;
  background: var(--line-700);
  transition: background var(--ease);
}

.page-faq .faq-index__link:hover .faq-index__cue,
.page-faq .faq-index__link:focus-visible .faq-index__cue {
  background: var(--orange-500);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  border-top: 1px solid var(--line-700);
  padding-block: clamp(40px, 5vw, 64px);
  scroll-margin-top: 88px;
  transition: background var(--ease);
}

.page-faq .faq-group:target {
  background: linear-gradient(90deg, rgba(47, 191, 113, 0.07), transparent 55%);
}

.page-faq .faq-group__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-group__aside {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-700);
}

.page-faq .faq-group__marker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--green-500);
}

.page-faq .faq-group__note {
  margin: 0;
  flex: 1 1 200px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver-500);
}

.page-faq .faq-group__link {
  font-size: 13px;
  color: var(--silver-200);
  text-decoration: none;
  border-bottom: 1px solid var(--line-700);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-group__link:hover,
.page-faq .faq-group__link:focus-visible {
  color: var(--green-300);
  border-color: var(--green-500);
  outline: none;
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white-100);
}

.page-faq .qa {
  border-top: 1px solid var(--line-700);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--line-700);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--silver-200);
  transition: color var(--ease);
}

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

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--white-100);
  outline: none;
}

.page-faq .qa[open] .qa__q {
  color: var(--white-100);
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 7px;
  border: 1px solid var(--line-700);
  transition: border-color var(--ease);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--green-500);
  transition: transform var(--ease), opacity var(--ease);
}

.page-faq .qa__sign::before {
  left: 3px;
  right: 3px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .qa__sign::after {
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
}

.page-faq .qa[open] .qa__sign {
  border-color: var(--green-500);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  max-width: var(--measure);
  padding: 0 0 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver-200);
}

.page-faq .qa__a p {
  margin: 0 0 12px;
}

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

.page-faq .qa__a p:first-child::first-letter {
  color: var(--green-300);
}

.page-faq .faq-group__figure {
  margin: 26px 0 0;
  border: 1px solid var(--line-700);
}

.page-faq .faq-group__figure .figure__media {
  aspect-ratio: 10 / 7;
  overflow: hidden;
}

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

.page-faq .faq-group__figure .figure__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-700);
  font-size: 13px;
  color: var(--silver-500);
}

@media (min-width: 1000px) {
  .page-faq .faq-group__grid {
    grid-template-columns: var(--faq-aside) minmax(0, 1fr);
    gap: var(--faq-gap);
  }

  .page-faq .faq-group__aside {
    display: block;
    align-self: start;
    padding: 4px 0 0;
    border-bottom: none;
    border-left: 1px solid var(--line-700);
    padding-left: 18px;
  }

  .page-faq .faq-group__note {
    margin-top: 12px;
  }

  .page-faq .faq-group__link {
    display: inline-block;
    margin-top: 16px;
    margin-right: 12px;
  }
}

/* ---------- 收束区 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--line-700);
  background: linear-gradient(135deg, var(--ink-800), var(--green-900) 140%);
  padding-block: clamp(36px, 5vw, 60px);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-faq .faq-cta__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white-100);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: var(--measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver-200);
}

.page-faq .faq-cta__btn {
  justify-self: start;
}

@media (min-width: 900px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-faq .faq-cta__btn {
    justify-self: end;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-index__num,
  .page-faq .faq-index__cue,
  .page-faq .qa__q,
  .page-faq .qa__sign,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-group__link {
    transition: none;
  }
}
<<<END>>>