.page-faq {
  --faq-side-w: 236px;
  --faq-gap: clamp(24px, 4vw, 56px);
  display: block;
}

/* ── 面包屑 ───────────────────────────── */
.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--step-note);
  letter-spacing: 0.05em;
  color: var(--c-mist);
}

.page-faq .breadcrumb__list a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-faq .breadcrumb__list a:hover {
  color: var(--c-gold);
}

.page-faq .breadcrumb__sep {
  color: var(--c-line);
}

/* ── 首屏 ─────────────────────────────── */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 62px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -28%;
  height: 460px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(46% 58% at 24% 42%, rgba(255, 217, 160, 0.17), transparent 70%),
    radial-gradient(38% 50% at 74% 10%, rgba(124, 242, 155, 0.11), transparent 72%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step-note);
  letter-spacing: 0.18em;
  color: var(--c-neon);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-frost);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--c-line);
  list-style: none;
}

.page-faq .faq-facts__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-facts__key {
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-faq .faq-facts__val {
  font-size: var(--step-note);
  color: var(--c-mist);
  letter-spacing: 0.03em;
}

/* ── 媒体 ─────────────────────────────── */
.page-faq .media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--c-ink), var(--c-midnight));
}

.page-faq .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.page-faq .media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 78% at 78% 16%, rgba(255, 217, 160, 0.16), transparent 66%),
    linear-gradient(180deg, transparent 48%, rgba(7, 13, 24, 0.68));
}

.page-faq .media__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-faq .media--banner {
  aspect-ratio: 2 / 1;
}

.page-faq .media--standard {
  aspect-ratio: 3 / 2;
}

/* ── 主布局 ───────────────────────────── */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ── 分类侧栏 ─────────────────────────── */
.page-faq .faq-side {
  border-top: 1px solid var(--c-line);
  padding-top: 18px;
}

.page-faq .faq-side__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

.page-faq .faq-side__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  background: rgba(20, 86, 74, 0.16);
  color: var(--c-frost);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-color: var(--c-gold);
  background: rgba(240, 166, 60, 0.1);
  transform: translateX(2px);
}

.page-faq .faq-side__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-gold-deep);
}

.page-faq .faq-side__note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--c-gold-deep);
  font-size: var(--step-note);
  line-height: 1.8;
  color: var(--c-mist);
}

/* ── 分组标题 ─────────────────────────── */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 6vw, 68px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-gold-deep);
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-gold);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-frost);
}

/* ── 问答条目 ─────────────────────────── */
.page-faq .qa {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-h4);
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-frost);
  transition: color 0.25s var(--ease);
}

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

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

.page-faq .qa__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-mist);
  transition: color 0.28s var(--ease);
}

.page-faq .qa[open] .qa__num {
  color: var(--c-neon);
}

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

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--c-gold-deep);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-faq .qa__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  left: 7px;
  top: 0;
  width: 1.5px;
  height: 16px;
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--c-neon);
}

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

.page-faq .qa__body {
  display: grid;
  gap: 14px;
  padding: 2px 0 24px;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .qa__body a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold-deep);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .qa__body a:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

.page-faq .qa__media {
  max-width: 520px;
}

.page-faq .qa__mono {
  font-family: var(--font-mono);
  font-size: 0.95em;
  color: var(--c-gold);
  letter-spacing: 0.02em;
}

.page-faq .qa__hint {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 62ch;
  padding: 12px 14px;
  border-left: 2px solid var(--c-gold);
  background: linear-gradient(90deg, rgba(240, 166, 60, 0.12), transparent 74%);
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--c-frost);
}

.page-faq .qa__hint-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-faq .qa__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  max-width: 62ch;
  list-style: none;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--c-mist);
}

.page-faq .qa__list .tag {
  margin-right: 8px;
}

/* ── 步骤时间轴 ───────────────────────── */
.page-faq .steps {
  counter-reset: step;
  margin: 0;
  padding: 0 0 0 1px;
  list-style: none;
  border-left: 1px solid var(--c-line);
}

.page-faq .steps > li {
  position: relative;
  padding: 11px 0 11px 40px;
  max-width: 62ch;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--c-mist);
}

.page-faq .steps > li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-gold-deep);
}

.page-faq .steps > li::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 19px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-midnight);
  box-shadow: 0 0 0 1px var(--c-neon);
}

/* ── 尾注 ─────────────────────────────── */
.page-faq .faq-more {
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--c-line);
  max-width: 62ch;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .faq-more a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold-deep);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-more a:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

/* ── 焦点可见性 ───────────────────────── */
.page-faq a:focus-visible,
.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── 桌面栅格 ─────────────────────────── */
@media (min-width: 720px) {
  .page-faq .qa__body {
    padding-right: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: clamp(36px, 4.6vw, 76px);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-side__link {
    justify-content: flex-start;
    width: 100%;
  }

  .page-faq .faq-group:first-child .faq-group__head {
    margin-top: -6px;
  }
}

@media (min-width: 1180px) {
  .page-faq .qa__body {
    grid-template-columns: minmax(0, 1fr) 180px;
    align-items: start;
  }

  .page-faq .qa__body > .qa__media,
  .page-faq .qa__body > .qa__hint,
  .page-faq .qa__body > .steps,
  .page-faq .qa__body > .qa__list {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-side__link,
  .page-faq .qa__q,
  .page-faq .qa__num,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after {
    transition: none;
  }

  .page-faq .faq-side__link:hover {
    transform: none;
  }
}
<<<END>>>