/* ============ 疑难解答 / page-faq ============ */
.page-faq {
  --faq-index-w: 248px;
  --faq-head-gap: clamp(22px, 3vw, 34px);
  background: var(--void);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(44px, 8vw, 84px)) 0 clamp(30px, 4vw, 48px);
  background:
    radial-gradient(110% 76% at 6% -18%, var(--gold-a10), transparent 56%),
    radial-gradient(64% 54% at 96% 4%, var(--cyan-a10), transparent 60%),
    var(--void);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 92px 92px;
  opacity: .22;
  -webkit-mask-image: radial-gradient(88% 76% at 16% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(88% 76% at 16% 0%, #000 0%, transparent 76%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 64ch;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
}

.page-faq .faq-hero__figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-faq .figure__frame {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
}

.page-faq .faq-hero__figure .figure__frame {
  aspect-ratio: 1440 / 800;
}

.page-faq .faq-inline-figure .figure__frame {
  aspect-ratio: 3 / 2;
}

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

.page-faq .figure__cap {
  margin-top: 10px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 分叉示意条 ---------- */
.page-faq .faq-fork {
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, var(--panel-2), var(--void));
}

.page-faq .faq-fork svg {
  display: block;
  width: 100%;
  height: auto;
  opacity: .9;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(34px, 5vw, 60px);
  padding-bottom: clamp(34px, 5vw, 60px);
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index__inner {
  padding: 18px 16px 20px;
  border: 1px solid var(--line-soft);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .5);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 6px;
  align-items: baseline;
  padding: 9px 8px 9px 12px;
  border-left: 1px solid var(--line-soft);
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--gold);
  background: var(--gold-a06);
}

.page-faq .faq-index__num {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-index__text {
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.7;
}

/* ---------- 右侧分组 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(44px, 6vw, 76px);
  padding-top: clamp(36px, 5vw, 56px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-section__head {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-faq .faq-section__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.5vw, 28px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-section__lead {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-inline-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .accordion__item {
  border-bottom: 1px solid var(--line-soft);
  transition: border-color .2s var(--ease);
}

.page-faq .accordion__item[data-open] {
  border-bottom-color: var(--gold-a40);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 17px 2px;
  border: 0;
  background: none;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 600;
  line-height: 1.65;
  text-align: left;
  cursor: pointer;
  transition: color .2s var(--ease);
}

.page-faq .accordion__trigger:hover,
.page-faq .accordion__trigger:focus-visible {
  color: var(--gold-glow);
}

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

.page-faq .accordion__sign {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .accordion__item[data-open] .accordion__sign {
  background: var(--gold);
  border-color: var(--gold-glow);
}

.page-faq .accordion__panel {
  padding: 0 2px 22px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.85;
}

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

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

.page-faq .accordion__panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a20);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .accordion__panel a:hover {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-faq .faq-verdict {
  margin: 0 0 12px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  margin-top: 7px;
  padding-left: 28px;
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-points {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-points li {
  position: relative;
  margin-top: 7px;
  padding-left: 18px;
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: .85;
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 0;
}

.page-faq .faq-tags .tag {
  padding: 3px 9px;
  border: 1px solid var(--cyan-a20);
  border-radius: var(--radius);
  background: var(--cyan-a10);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.6;
}

/* ---------- 底部协助 ---------- */
.page-faq .faq-assist {
  margin-top: clamp(44px, 6vw, 76px);
  padding: clamp(34px, 5vw, 58px) 0;
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(90% 130% at 88% 108%, var(--gold-a06), transparent 62%),
    var(--panel-2);
}

.page-faq .faq-assist__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
}

.page-faq .faq-assist__title {
  margin: 10px 0 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-assist__lead {
  margin: 12px 0 0;
  max-width: 60ch;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-assist__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a20);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-assist__lead a:hover {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-faq .faq-assist__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-index__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 18px;
  }

  .page-faq .faq-assist__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-faq .faq-assist__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .page-faq .faq-index__inner {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-content {
    padding-left: clamp(8px, 1.5vw, 22px);
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1400px) {
  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .accordion__item,
  .page-faq .accordion__trigger,
  .page-faq .accordion__sign {
    transition: none;
  }
}
<<<END>>>