.page-faq {
  --faq-line: rgba(154, 167, 199, 0.18);
  --faq-line-strong: rgba(154, 167, 199, 0.34);
}

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

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--bh-header-h) + 24px) 0 clamp(48px, 7vw, 88px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -16%;
  width: 82%;
  height: 138%;
  background: linear-gradient(
    148deg,
    rgba(138, 92, 255, 0.32) 0%,
    rgba(49, 213, 232, 0.14) 42%,
    rgba(11, 16, 32, 0) 74%
  );
  clip-path: polygon(26% 0%, 100% 0%, 100% 100%, 0% 58%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 36px;
}

.page-faq .faq-hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-faq .faq-hero__text .bh-eyebrow,
.page-faq .faq-hero__text .bh-lede {
  margin: 0;
}

.page-faq .faq-hero__text .bh-lede {
  max-width: 60ch;
}

.page-faq .faq-strip {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-strip li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--bh-text-2);
}

.page-faq .faq-strip__k {
  flex: 0 0 auto;
  min-width: 5.2em;
  font-family: var(--bh-font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bh-amber);
}

.page-faq .faq-hero__media {
  position: relative;
  border-radius: var(--bh-r-xl);
  border: 1px solid var(--faq-line);
  overflow: hidden;
  box-shadow: 0 34px 84px -46px rgba(138, 92, 255, 0.75);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ============ 主布局 ============ */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-faq .faq-topics {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-topics::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-topics__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  border-radius: var(--bh-r-pill);
  border: 1px solid var(--faq-line-strong);
  background: var(--bh-ink-800);
  color: var(--bh-text-2);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s var(--bh-ease), border-color 0.2s var(--bh-ease),
    background-color 0.2s var(--bh-ease);
}

.page-faq .faq-topics__link:hover,
.page-faq .faq-topics__link:focus-visible {
  color: var(--bh-text);
  border-color: var(--bh-cyan);
  background: rgba(49, 213, 232, 0.1);
}

.page-faq .faq-topics__n {
  font-family: var(--bh-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--bh-violet);
}

.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: clamp(46px, 6vw, 76px);
  min-width: 0;
}

/* ============ 单个主题 ============ */
.page-faq .faq-group {
  display: flex;
  flex-direction: column;
  gap: 18px;
  scroll-margin-top: calc(var(--bh-header-h) + 28px);
  min-width: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-family: var(--bh-font-mono);
  font-size: clamp(34px, 5.4vw, 52px);
  font-weight: 800;
  line-height: 0.84;
  letter-spacing: -0.03em;
  color: var(--bh-violet);
}

.page-faq .faq-group__titles {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-faq .faq-group__title {
  margin: 0;
}

.page-faq .faq-group__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--bh-mist);
}

/* ============ 问答折叠 ============ */
.page-faq .bh-acc {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .bh-acc__item {
  border-radius: var(--bh-r-lg);
  border: 1px solid var(--faq-line);
  background: var(--bh-ink-800);
  overflow: hidden;
  transition: border-color 0.24s var(--bh-ease), box-shadow 0.24s var(--bh-ease);
}

.page-faq .bh-acc__item:hover {
  border-color: var(--faq-line-strong);
}

.page-faq .bh-acc__item[data-open] {
  border-color: var(--bh-cyan);
  box-shadow: 0 0 0 1px rgba(49, 213, 232, 0.3),
    0 22px 54px -34px rgba(49, 213, 232, 0.85);
}

.page-faq .bh-acc__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 20px;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--bh-text);
  cursor: pointer;
}

.page-faq .bh-acc__sign {
  flex: 0 0 auto;
  color: var(--bh-cyan);
}

.page-faq .faq-answer {
  padding: 0 20px 20px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--bh-text-2);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-k {
  font-family: var(--bh-font-mono);
  font-size: 1.1em;
  font-weight: 700;
  color: var(--bh-amber);
  font-variant-numeric: tabular-nums;
}

/* ============ 相关页面小卡 ============ */
.page-faq .faq-rel {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-radius: var(--bh-r-pill);
  border: 1px dashed var(--faq-line-strong);
  background: linear-gradient(
    100deg,
    rgba(138, 92, 255, 0.12),
    rgba(49, 213, 232, 0.05)
  );
  color: var(--bh-text-2);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: transform 0.24s var(--bh-ease), border-color 0.24s var(--bh-ease),
    color 0.24s var(--bh-ease), box-shadow 0.24s var(--bh-ease);
}

.page-faq .faq-rel:hover,
.page-faq .faq-rel:focus-visible {
  transform: translateY(-3px);
  border-color: var(--bh-cyan);
  color: var(--bh-text);
  box-shadow: 0 20px 44px -30px rgba(49, 213, 232, 0.9);
}

.page-faq .faq-rel__tag {
  flex: 0 0 auto;
  padding: 3px 9px;
  border-radius: var(--bh-r-pill);
  border: 1px solid rgba(138, 92, 255, 0.42);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--bh-violet);
}

.page-faq .faq-rel__title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-rel__arrow {
  flex: 0 0 auto;
  font-family: var(--bh-font-mono);
  color: var(--bh-cyan);
  transition: transform 0.24s var(--bh-ease);
}

.page-faq .faq-rel:hover .faq-rel__arrow,
.page-faq .faq-rel:focus-visible .faq-rel__arrow {
  transform: translateX(4px);
}

/* ============ 客服卡片 ============ */
.page-faq .faq-contact {
  display: grid;
  border-radius: var(--bh-r-xl);
  border: 1px solid var(--faq-line);
  background: var(--bh-ink-800);
  overflow: hidden;
}

.page-faq .faq-contact__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--bh-ink-900);
}

.page-faq .faq-contact__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-contact__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 24px;
}

.page-faq .faq-contact__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--bh-violet);
}

.page-faq .faq-contact__mail {
  margin: 0;
  font-family: var(--bh-font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--bh-cyan);
  word-break: break-all;
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bh-text-2);
}

.page-faq .faq-contact__body .bh-btn {
  margin-top: 4px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-faq .faq-strip li {
    padding: 12px 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-faq .faq-contact__media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 240px;
  }

  .page-faq .faq-contact__body {
    padding: 30px 32px;
    justify-content: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 56px;
  }

  .page-faq .bh-acc__btn {
    padding: 20px 24px;
  }

  .page-faq .faq-answer {
    padding: 0 24px 24px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-topics {
    position: sticky;
    top: calc(var(--bh-header-h) + 28px);
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-topics__link {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--bh-r-md);
    border-color: transparent;
    background: transparent;
  }

  .page-faq .faq-topics__link:hover,
  .page-faq .faq-topics__link:focus-visible {
    border-color: var(--faq-line-strong);
    background: var(--bh-ink-800);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}
<<<END>>>