.page-faq {
  --faq-body: #C7D6E7;
  --faq-accent: #3DF28A;
  --faq-panel: #0C1A33;
  --faq-line: #1E2E4A;
  --faq-sticky-top: 24px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 52px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(61, 242, 138, .13), transparent 58%),
    radial-gradient(90% 80% at 100% 8%, rgba(139, 92, 246, .18), transparent 60%),
    var(--ink);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: clamp(18px, 3vw, 30px);
}

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

.page-faq .breadcrumbs__current {
  color: var(--green);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.06;
  letter-spacing: .015em;
  color: var(--text);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-hero__points {
  list-style: none;
  margin: 0 0 clamp(22px, 4vw, 34px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__point {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 6px 12px;
  border: 2px solid var(--line);
  color: var(--muted);
  background: rgba(12, 26, 51, .7);
}

.page-faq .faq-hero__point:nth-child(1) {
  border-color: rgba(61, 242, 138, .55);
  color: var(--green);
}

.page-faq .faq-hero__point:nth-child(3) {
  border-color: rgba(139, 92, 246, .55);
  color: #B79CFB;
}

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

.page-faq .faq-hero__figure .figure__media {
  aspect-ratio: 16 / 7;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--faq-panel);
}

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

.page-faq .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: clamp(26px, 5vw, 52px) 0 clamp(44px, 7vw, 84px);
}

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

/* ---------- 左侧分组索引 ---------- */
.page-faq .faq-index {
  border: 2px solid var(--faq-line);
  background: var(--faq-panel);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px 20px;
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 3px solid var(--faq-line);
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .01em;
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--green);
  background: rgba(61, 242, 138, .09);
  transform: translateX(3px);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--green);
}

.page-faq .faq-index__figure {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 2px dashed var(--faq-line);
}

.page-faq .faq-index__figure .figure__media {
  border: 2px solid var(--faq-line);
  background: var(--ink);
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

.page-faq .faq-index__figure .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  --faq-accent: var(--green);
  margin-bottom: clamp(34px, 5vw, 56px);
  scroll-margin-top: 90px;
}

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

.page-faq .faq-group--amber {
  --faq-accent: var(--amber);
}

.page-faq .faq-group--violet {
  --faq-accent: var(--violet);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 2px solid var(--faq-line);
  border-left: 8px solid var(--faq-accent);
  background: var(--faq-panel);
}

.page-faq .faq-group--wine .faq-group__head {
  background: var(--wine);
  border-color: rgba(255, 255, 255, .14);
  border-left-color: var(--faq-accent);
}

.page-faq .faq-group--indigo .faq-group__head {
  background: var(--indigo);
  border-color: rgba(255, 255, 255, .14);
  border-left-color: var(--faq-accent);
}

.page-faq .faq-group--teal .faq-group__head {
  background: var(--teal);
  border-color: rgba(255, 255, 255, .14);
  border-left-color: var(--faq-accent);
}

.page-faq .faq-group__no {
  font-family: var(--font-serif);
  font-size: clamp(30px, 6vw, 46px);
  line-height: .92;
  color: var(--faq-accent);
  flex: 0 0 auto;
}

.page-faq .faq-group__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: .02em;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 自查清单 ---------- */
.page-faq .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 2px solid var(--faq-line);
  border-top: 0;
  background: var(--faq-panel);
}

.page-faq .check-list__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border-top: 2px solid var(--faq-line);
}

.page-faq .check-list__item:first-child {
  border-top: 0;
}

.page-faq .check-list__no {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 3px 7px;
  border: 2px solid var(--green);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.1;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
}

.page-faq .check-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-body);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-item {
  border: 2px solid var(--faq-line);
  border-bottom: 0;
  background: rgba(12, 26, 51, .62);
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  background: var(--faq-panel);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.45;
  letter-spacing: .01em;
}

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

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

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--faq-accent);
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.page-faq .faq-item__mark::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  border-top: 2px dashed var(--faq-line);
  margin-top: 2px;
}

.page-faq .faq-item__a p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-body);
}

/* ---------- 支持区 ---------- */
.page-faq .faq-support__lede {
  margin: 0 0 20px;
  padding: 18px;
  border: 2px solid var(--faq-line);
  border-top: 0;
  background: rgba(12, 26, 51, .62);
  font-size: 15px;
  line-height: 1.76;
  color: var(--faq-body);
}

.page-faq .support-deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}

.page-faq .support-card {
  display: block;
  padding: 18px;
  border: 2px solid var(--faq-line);
  background: var(--faq-panel);
  box-shadow: var(--shadow-soft);
  color: var(--text);
  text-decoration: none;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .support-card:hover,
.page-faq .support-card:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 0 var(--faq-line);
  border-color: var(--green);
}

.page-faq .support-card__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 9px;
  border: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-faq .support-card__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: .01em;
}

.page-faq .support-card__hint {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  transition: max-height .26s var(--ease), opacity .26s var(--ease), margin-top .26s var(--ease);
}

.page-faq .support-card:hover .support-card__hint,
.page-faq .support-card:focus-visible .support-card__hint {
  max-height: 9em;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  padding: 20px 18px;
  border: 2px solid var(--faq-line);
  border-left: 8px solid var(--green);
  background: var(--faq-panel);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-contact__label {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--text);
}

.page-faq .contact-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .contact-list__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .contact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .contact-list__label {
  flex: 0 0 auto;
  min-width: 88px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .contact-list__value {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  word-break: break-word;
}

.page-faq .contact-list__value--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

.page-faq .contact-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .support-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-index__list {
    gap: 8px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-hero__title {
    max-width: 24ch;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-index__figure .figure__media {
    aspect-ratio: 3 / 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .support-card,
  .page-faq .support-card__hint {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible,
  .page-faq .support-card:hover,
  .page-faq .support-card:focus-visible {
    transform: none;
  }
}
<<<END>>>