.page-faq {
  background: var(--bw-ink);
  color: var(--bw-bone);
  font-family: var(--bw-font-body);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 0;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(28, 42, 53, .92) 0%, rgba(14, 17, 22, 0) 62%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  top: 0;
  width: 48%;
  height: 100%;
  background: linear-gradient(104deg, rgba(157, 255, 60, .09), rgba(255, 92, 58, .16));
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(92, 122, 153, .13) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(92, 122, 153, .08) 0 1px, transparent 1px 72px);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > .bw-container,
.page-faq .faq-strip {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  font-family: var(--bw-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--bw-neutral-light);
}

.page-faq .faq-hero__crumb a {
  color: var(--bw-neutral-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--bw-ease), border-color .16s var(--bw-ease);
}

.page-faq .faq-hero__crumb a:hover {
  color: var(--bw-lime);
  border-bottom-color: var(--bw-lime);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--bw-font-head);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  max-width: 640px;
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--bw-neutral-light);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 2px solid var(--bw-neutral);
  box-shadow: var(--bw-shadow-hard);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.12) contrast(1.06);
}

.page-faq .faq-hero__media .bw-media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 7px 12px;
  background: var(--bw-clay);
  color: var(--bw-ink-deep);
  font-family: var(--bw-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- 数据摘要条 ---------- */

.page-faq .faq-strip {
  margin-top: 40px;
  border-top: 2px solid var(--bw-neutral);
  background: var(--bw-neutral);
}

.page-faq .faq-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--bw-neutral);
}

.page-faq .faq-strip__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--bw-surface);
}

.page-faq .faq-strip__num {
  font-family: var(--bw-font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--bw-lime);
  line-height: 1;
}

.page-faq .faq-strip__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--bw-neutral-light);
}

/* ---------- 区块通用标题 ---------- */

.page-faq .faq-locate {
  padding: 56px 0 0;
}

.page-faq .faq-head {
  max-width: 720px;
}

.page-faq .faq-head h2 {
  margin: 12px 0 0;
  font-family: var(--bw-font-head);
  font-weight: 900;
  font-size: clamp(24px, 5.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -.015em;
}

.page-faq .faq-head__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bw-neutral-light);
}

/* ---------- 分类卡片 ---------- */

.page-faq .faq-locate__grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-faq .faq-tile {
  position: relative;
  display: block;
  padding: 20px 20px 22px 24px;
  color: inherit;
  text-decoration: none;
  background: var(--bw-ink-deep);
  border: 2px solid var(--bw-neutral);
  border-radius: var(--bw-radius);
  box-shadow: var(--bw-shadow-hard);
  overflow: hidden;
  transition: transform .18s var(--bw-ease), border-color .18s var(--bw-ease), box-shadow .18s var(--bw-ease);
}

.page-faq .faq-tile::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: var(--bw-clay);
  transition: background .18s var(--bw-ease);
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--bw-lime);
  box-shadow: var(--bw-shadow-lime);
}

.page-faq .faq-tile:hover::after,
.page-faq .faq-tile:focus-visible::after {
  background: var(--bw-lime);
}

.page-faq .faq-tile__idx {
  display: block;
  font-family: var(--bw-font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--bw-clay);
}

.page-faq .faq-tile:hover .faq-tile__idx {
  color: var(--bw-lime);
}

.page-faq .faq-tile__title {
  display: block;
  margin-top: 12px;
  font-family: var(--bw-font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
}

.page-faq .faq-tile__desc {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--bw-neutral-light);
}

.page-faq .faq-tile__go {
  display: block;
  margin-top: 16px;
  font-family: var(--bw-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bw-lime);
}

/* ---------- 排查路径示意 ---------- */

.page-faq .faq-path {
  margin: 34px 0 0;
  border: 2px solid var(--bw-neutral);
  background: var(--bw-ink-deep);
}

.page-faq .faq-path img {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-faq .faq-path figcaption {
  padding: 13px 18px;
  border-top: 1px solid var(--bw-neutral);
  font-family: var(--bw-font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--bw-neutral-light);
}

/* ---------- 两栏排查主体 ---------- */

.page-faq .faq-body {
  padding: 56px 0 72px;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-toc {
  border: 2px solid var(--bw-neutral);
  border-radius: var(--bw-radius);
  background: var(--bw-surface);
  padding: 16px 14px 18px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--bw-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bw-lime);
}

.page-faq .faq-toc__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__list .bw-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 3px solid transparent;
  border-radius: 4px;
  color: var(--bw-bone);
  font-size: 14px;
  text-decoration: none;
  transition: background .16s var(--bw-ease), color .16s var(--bw-ease), border-color .16s var(--bw-ease);
}

.page-faq .faq-toc__list .bw-toc__link:hover {
  background: rgba(157, 255, 60, .08);
}

.page-faq .faq-toc__list .bw-toc__link.is-active,
.page-faq .faq-toc__list .bw-toc__link[aria-current] {
  border-left-color: var(--bw-lime);
  background: rgba(157, 255, 60, .1);
  color: var(--bw-lime);
}

.page-faq .faq-toc__num {
  font-family: var(--bw-font-mono);
  font-size: 11.5px;
  color: var(--bw-clay);
}

.page-faq .faq-panels {
  display: flex;
  flex-direction: column;
  gap: 46px;
  min-width: 0;
}

/* ---------- 章节 ---------- */

.page-faq .faq-chapter {
  scroll-margin-top: calc(var(--bw-header-h) + 20px);
}

.page-faq .faq-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bw-neutral);
}

.page-faq .faq-chapter__index {
  font-family: var(--bw-font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--bw-lime);
}

.page-faq .faq-chapter__head h2 {
  margin: 0;
  font-family: var(--bw-font-head);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -.01em;
}

.page-faq .faq-chapter__head p {
  margin: 8px 0 0;
  max-width: 600px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--bw-neutral-light);
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-q {
  margin-bottom: 10px;
  border: 2px solid var(--bw-neutral);
  border-radius: var(--bw-radius);
  background: var(--bw-ink-deep);
  transition: border-color .18s var(--bw-ease);
}

.page-faq .faq-q:hover {
  border-color: var(--bw-steel);
}

.page-faq .faq-q[open] {
  border-color: var(--bw-lime);
}

.page-faq .faq-q__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--bw-font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--bw-bone);
}

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

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

.page-faq .faq-q__idx {
  flex: none;
  padding-top: 2px;
  font-family: var(--bw-font-mono);
  font-size: 12px;
  color: var(--bw-steel);
  transition: color .18s var(--bw-ease);
}

.page-faq .faq-q[open] .faq-q__idx {
  color: var(--bw-lime);
}

.page-faq .faq-q__mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-left: auto;
  align-self: center;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--bw-clay);
  transition: transform .2s var(--bw-ease), background .2s var(--bw-ease);
}

.page-faq .faq-q__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-q[open] .faq-q__mark::before {
  background: var(--bw-lime);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-q__a {
  padding: 0 16px 18px 42px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--bw-neutral-light);
}

.page-faq .faq-q__a p {
  max-width: 620px;
  margin: 0 0 10px;
}

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

.page-faq .faq-q__a strong {
  color: var(--bw-bone);
  font-weight: 700;
}

.page-faq .faq-q__a a {
  color: var(--bw-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-q__a a:hover {
  color: var(--bw-lime-soft);
}

/* ---------- 收尾块 ---------- */

.page-faq .faq-chapter--final {
  padding: 22px 20px 24px;
  border: 2px solid var(--bw-clay);
  border-radius: var(--bw-radius);
  background: linear-gradient(140deg, rgba(255, 92, 58, .14), rgba(28, 42, 53, .96));
  box-shadow: var(--bw-shadow-clay);
}

.page-faq .faq-chapter--final .faq-chapter__head {
  border-bottom-color: rgba(255, 92, 58, .5);
}

.page-faq .faq-chapter--final .faq-chapter__index {
  color: var(--bw-clay);
}

.page-faq .faq-final__text p {
  max-width: 620px;
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--bw-bone);
}

.page-faq .faq-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-strip__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-q__q {
    padding: 17px 20px;
    font-size: 16.5px;
  }

  .page-faq .faq-q__a {
    padding: 0 20px 20px 52px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 46px;
  }

  .page-faq .faq-locate {
    padding-top: 72px;
  }

  .page-faq .faq-panels {
    gap: 54px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-locate__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--bw-header-h) + 18px);
  }
}
<<<END>>>