.page-faq {
  --faq-rail: 232px;
  --faq-gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(20px, 3vw, 40px) clamp(56px, 8vw, 104px);
}

.page-faq .crumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-head {
  padding-bottom: clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-head__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-signal);
}

.page-faq .faq-head__title {
  margin: 0;
  max-width: 22em;
  font-size: var(--step-2);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-faq .faq-head__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 64ch;
  color: rgba(243, 239, 228, 0.86);
}

.page-faq .faq-head__quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-faq .faq-head__quick a {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--c-cream);
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-head__quick a:hover,
.page-faq .faq-head__quick a:focus-visible {
  border-color: var(--c-signal);
  color: var(--c-signal);
  background-color: rgba(255, 106, 24, 0.08);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: clamp(28px, 4vw, 52px);
}

/* ---------- 左侧分组索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-rock);
}

.page-faq .faq-index__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  min-width: max-content;
  padding: 10px 12px;
  border-bottom: 2px solid var(--line);
  color: var(--c-cream);
  font-size: var(--step-0);
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-bottom-color: var(--c-signal);
  background-color: var(--raise);
  color: var(--c-signal);
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-rock);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-stage {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-signal);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 2.4vw, 26px) 0 clamp(6px, 1vw, 12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--c-moss);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 16px 12px;
  font-size: var(--step--1);
  line-height: 1.65;
  color: var(--c-rock);
}

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

.page-faq .faq-item__q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-item__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: clamp(16px, 2.2vw, 22px) 0;
  background: none;
  border: 0;
  color: var(--c-cream);
  font-family: var(--font-cn);
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__trigger:hover,
.page-faq .faq-item__trigger:focus-visible {
  color: var(--c-signal);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 15px;
  width: 15px;
  height: 20px;
  margin-top: 3px;
  color: var(--c-signal);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background-color: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[data-collapsed] .faq-item__mark::after {
  transform: scaleY(1);
  opacity: 1;
}

.page-faq .faq-item__body {
  padding: 0 0 clamp(18px, 2.4vw, 26px) 29px;
}

.page-faq .faq-item[data-collapsed] .faq-item__body {
  display: none;
}

.page-faq .faq-item__body p {
  margin: 0 0 0.85em;
  max-width: 66ch;
  font-size: var(--step-0);
  line-height: 1.78;
  color: rgba(243, 239, 228, 0.87);
}

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

.page-faq .faq-item__body a {
  color: var(--c-verify);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--c-signal);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 14px 0 16px;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: var(--step-0);
  line-height: 1.72;
  color: rgba(243, 239, 228, 0.87);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-verify);
  padding-top: 0.34em;
}

/* ---------- 判罚分组 ---------- */
.page-faq .faq-note {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--c-verify);
  border-radius: 0 var(--radius) var(--radius) 0;
  background-color: rgba(79, 211, 196, 0.07);
  font-size: var(--step--1);
  line-height: 1.72;
  color: rgba(243, 239, 228, 0.88);
}

.page-faq .faq-group--official .faq-item {
  padding-left: clamp(14px, 1.8vw, 20px);
  border-left: 2px solid var(--c-verify);
}

.page-faq .faq-group--official .faq-item__mark {
  color: var(--c-verify);
}

/* ---------- 桌面端：左侧粘性索引 + 右侧问答 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: clamp(20px, 5vh, 40px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    min-width: 0;
    padding: 11px 12px 11px 16px;
    border-bottom: 0;
    border-left: 2px solid var(--line);
    white-space: normal;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--c-signal);
  }

  .page-faq .faq-item__trigger {
    font-size: 1.125rem;
  }
}

@media (min-width: 1180px) {
  .page-faq {
    --faq-rail: 268px;
  }

  .page-faq .faq-figure {
    margin-top: clamp(22px, 2.6vw, 30px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>