.page-faq {
  --faq-gold-line: rgba(201, 162, 39, 0.34);
  --faq-gold-soft: rgba(201, 162, 39, 0.16);
  --faq-ink-soft: rgba(27, 27, 31, 0.78);
  --faq-paper-dim: rgba(244, 235, 217, 0.82);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(circle at 82% 14%, rgba(201, 162, 39, 0.18), transparent 58%),
    radial-gradient(circle at 8% 92%, rgba(194, 24, 91, 0.16), transparent 52%),
    var(--night);
  color: var(--white);
  padding: clamp(18px, 3.4vw, 40px) 0 clamp(40px, 6vw, 78px);
}

.page-faq .faq-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  border: 1px solid var(--faq-gold-line);
  padding: clamp(20px, 3.6vw, 46px);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.page-faq .faq-hero__frame::before {
  left: -1px;
  top: -1px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.page-faq .faq-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

.page-faq .faq-hero__main {
  min-width: 0;
}

.page-faq .faq-hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.04em;
  color: var(--mist);
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--gold-lt);
  border-bottom-color: var(--gold-lt);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  letter-spacing: 0.16em;
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(var(--step-5), 7.2vw, var(--step-9));
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: clamp(10px, 1.6vw, 16px) 0 0;
  color: var(--white);
  max-width: 16ch;
}

.page-faq .faq-hero .lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 56ch;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--faq-paper-dim);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 42px);
  margin-top: clamp(24px, 3.4vw, 36px);
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--faq-gold-soft);
}

.page-faq .faq-hero .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-hero .stat__num {
  font-family: var(--font-mono);
  font-size: var(--step-5);
  line-height: 1.1;
  color: var(--gold-lt);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero .stat__label {
  font-size: var(--step-1);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-hero__fig {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--faq-gold-line);
}

/* ---------- 索引条 ---------- */
.page-faq .faq-index {
  background: var(--night-2);
  border-top: 1px solid var(--faq-gold-line);
  border-bottom: 1px solid var(--faq-gold-line);
  z-index: 30;
}

.page-faq .faq-index__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-faq .faq-index__label {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__link {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--faq-gold-soft);
  color: var(--paper);
  font-size: var(--step-2);
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-lt);
  background: rgba(201, 162, 39, 0.08);
}

/* ---------- 正文容器 ---------- */
.page-faq .faq-body {
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-block: clamp(28px, 4.4vw, 54px);
  border-bottom: 1px solid var(--faq-gold-soft);
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(14px, 2.4vw, 26px);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: var(--step-4);
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(var(--step-4), 3.4vw, var(--step-6));
  line-height: 1.24;
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

/* ---------- 疑问条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 2px;
}

.page-faq .faq-item {
  border-left: 1px solid var(--faq-gold-soft);
  padding-left: 14px;
  transition: border-left-color 0.25s ease, border-left-width 0.25s ease, padding-left 0.25s ease;
}

.page-faq .faq-item + .faq-item {
  border-top: 1px solid var(--faq-gold-soft);
}

.page-faq .faq-item[open] {
  border-left-width: 3px;
  border-left-color: var(--gold);
  padding-left: 12px;
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: clamp(14px, 2vw, 20px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.2s ease;
}

.page-faq .faq-item__summary:hover .faq-item__q,
.page-faq .faq-item__summary:focus-visible .faq-item__q {
  color: var(--rose);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 6px;
  transition: transform 0.25s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: rgba(27, 27, 31, 0.38);
  transition: background-color 0.25s ease;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  top: 0;
  left: 50%;
  width: 1.5px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--gold);
}

.page-faq .faq-item__a {
  padding-bottom: clamp(16px, 2.2vw, 24px);
  max-width: var(--read);
}

.page-faq .faq-item__a > p {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-next {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 7px 12px 7px 7px;
  border: 1px solid var(--faq-gold-line);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-next__key {
  display: inline-block;
  padding: 2px 6px;
  background: var(--ink);
  color: var(--paper);
  letter-spacing: 0.08em;
}

.page-faq .faq-next:hover,
.page-faq .faq-next:focus-visible {
  border-color: var(--gold);
  color: var(--rose);
  background: rgba(201, 162, 39, 0.07);
}

/* ---------- 收藏与同步：图文并排 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-split__note {
  margin: 0 0 12px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-split__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--faq-gold-line);
}

/* ---------- 栏目与对照：深色面板 ---------- */
.page-faq .faq-group--night {
  background: var(--night);
  color: var(--white);
  border: 1px solid var(--faq-gold-line);
  border-bottom-color: var(--faq-gold-line);
  padding: clamp(20px, 3.4vw, 40px);
  margin-block: clamp(10px, 1.8vw, 18px);
}

.page-faq .faq-group--night .faq-group__num {
  color: var(--gold-lt);
}

.page-faq .faq-group--night .faq-group__title {
  color: var(--white);
}

.page-faq .faq-group--night .faq-group__note {
  color: var(--mist);
}

.page-faq .faq-group--night .faq-item {
  border-left-color: rgba(201, 162, 39, 0.26);
}

.page-faq .faq-group--night .faq-item + .faq-item {
  border-top-color: rgba(201, 162, 39, 0.2);
}

.page-faq .faq-group--night .faq-item[open] {
  border-left-color: var(--gold-lt);
}

.page-faq .faq-group--night .faq-item__q {
  color: var(--white);
}

.page-faq .faq-group--night .faq-item__summary:hover .faq-item__q,
.page-faq .faq-group--night .faq-item__summary:focus-visible .faq-item__q {
  color: var(--gold-lt);
}

.page-faq .faq-group--night .faq-item__mark::before,
.page-faq .faq-group--night .faq-item__mark::after {
  background: rgba(244, 235, 217, 0.45);
}

.page-faq .faq-group--night .faq-item[open] .faq-item__mark::before,
.page-faq .faq-group--night .faq-item[open] .faq-item__mark::after {
  background: var(--gold-lt);
}

.page-faq .faq-group--night .faq-item__a > p {
  color: var(--faq-paper-dim);
}

.page-faq .faq-group--night .faq-next {
  border-color: rgba(201, 162, 39, 0.42);
  color: var(--gold-lt);
}

.page-faq .faq-group--night .faq-next__key {
  background: var(--gold);
  color: var(--night);
}

.page-faq .faq-group--night .faq-next:hover,
.page-faq .faq-group--night .faq-next:focus-visible {
  border-color: var(--gold-lt);
  color: var(--white);
  background: rgba(201, 162, 39, 0.14);
}

/* ---------- 页尾引导 ---------- */
.page-faq .faq-tail {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(20px, 3.2vw, 36px);
  border-top: 3px solid var(--gold);
  border-bottom: 1px solid var(--faq-gold-line);
  background: rgba(201, 162, 39, 0.08);
}

.page-faq .faq-tail__eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--rose);
}

.page-faq .faq-tail__text {
  margin: 0;
  max-width: 58ch;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-tail__link {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-faq .faq-tail__link:hover,
.page-faq .faq-tail__link:focus-visible {
  color: var(--rose);
  border-bottom-color: var(--rose);
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-group__head {
    grid-template-columns: 68px minmax(0, 1fr);
    align-items: start;
    column-gap: 18px;
  }

  .page-faq .faq-group__num {
    grid-row: span 2;
    line-height: 1.1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__frame {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: end;
  }

  .page-faq .faq-hero__fig img {
    aspect-ratio: 3 / 4;
    max-height: 460px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 62px;
  }

  .page-faq .faq-group {
    scroll-margin-top: 118px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-faq .faq-item__a {
    padding-left: 6px;
  }

  .page-faq .faq-tail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    column-gap: 40px;
  }

  .page-faq .faq-tail__eyebrow {
    grid-column: 1 / -1;
  }

  .page-faq .faq-tail__actions {
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-hero__frame {
    grid-template-columns: minmax(0, 1fr) 330px;
  }

  .page-faq .faq-body {
    max-width: var(--wrap);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-next,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>