.page-faq {
  --faq-sticky-top: 88px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .breadcrumb {
  margin: 18px 0 20px;
}

/* 首屏 */
.page-faq .faq-intro {
  display: grid;
  gap: 24px;
  padding-bottom: clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-intro__main h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.4vw, 64px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--silver);
}

.page-faq .faq-intro__main h1 strong {
  font-weight: 900;
  color: var(--signal);
}

.page-faq .faq-intro__lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(238, 243, 255, 0.84);
}

.page-faq .faq-intro__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .faq-intro__stats span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-intro__stats span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
}

.page-faq .faq-intro__stats span:nth-child(2)::before {
  background: var(--nebula);
}

.page-faq .faq-intro__stats span:nth-child(3)::before {
  background: var(--gold);
}

.page-faq .faq-intro__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
}

.page-faq .faq-intro__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

/* 页内跳转 */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-faq .faq-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--silver);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-jump a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--nebula);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--electric);
  transform: translateY(-1px);
}

/* 布局 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(26px, 4vw, 44px);
}

/* 左侧分类栏 */
.page-faq .faq-aside__sticky {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(122, 92, 255, 0.16), rgba(10, 18, 48, 0.94) 58%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-aside__graph {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-aside__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-faq .faq-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  position: relative;
}

.page-faq .faq-cats::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(var(--nebula), rgba(53, 224, 196, 0.55));
  opacity: 0.45;
}

.page-faq .faq-cats a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 4px 8px 0;
  color: var(--silver);
  font-size: 14px;
  text-decoration: none;
}

.page-faq .faq-cats__num {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--void);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--nebula);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-cats__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

.page-faq .faq-cats a:hover .faq-cats__num,
.page-faq .faq-cats a:focus-visible .faq-cats__num {
  border-color: var(--signal);
  color: var(--signal);
}

.page-faq .faq-cats a:hover .faq-cats__name {
  color: var(--signal);
}

.page-faq .faq-aside__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-aside__note a {
  color: var(--electric);
  text-underline-offset: 3px;
}

/* 筛选条（控制台外观） */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding: 12px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 10% 0, rgba(47, 107, 255, 0.2), transparent 62%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .filter-count {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-faq .filter-count span {
  color: var(--signal);
}

.page-faq .faq-hint {
  margin: 14px 0 26px;
  padding-left: 12px;
  border-left: 2px solid var(--nebula);
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .is-filtered-out {
  display: none;
}

/* 分组 */
.page-faq .faq-group {
  margin-bottom: clamp(28px, 4vw, 46px);
  scroll-margin-top: var(--faq-sticky-top);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 16px;
  align-items: start;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.4vw, 46px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--nebula);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--silver);
}

.page-faq .faq-group__desc {
  max-width: 60ch;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(238, 243, 255, 0.72);
}

/* 问答卡 */
.page-faq .qa-card {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 4px 4px 0 rgba(3, 6, 18, 0.65);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.page-faq .qa-card:hover {
  border-color: var(--line-strong);
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 rgba(3, 6, 18, 0.72);
}

.page-faq .qa-card__details[open] {
  background: linear-gradient(180deg, rgba(53, 224, 196, 0.08), rgba(18, 28, 61, 0) 45%);
}

.page-faq .qa-card__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-card__summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.page-faq .qa-card__num {
  min-width: 44px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--nebula);
  transition: color 0.18s ease;
}

.page-faq .qa-card__details[open] .qa-card__num {
  color: var(--signal);
}

.page-faq .qa-card__title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--silver);
}

.page-faq .qa-card__details[open] .qa-card__title {
  font-weight: 700;
}

.page-faq .qa-card__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .qa-card__toggle::before,
.page-faq .qa-card__toggle::after {
  content: "";
  position: absolute;
  background: var(--steel);
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-faq .qa-card__toggle::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .qa-card__toggle::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .qa-card__details[open] .qa-card__toggle::before {
  background: var(--signal);
}

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

.page-faq .qa-card__body {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--line);
}

.page-faq .qa-card__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(238, 243, 255, 0.84);
}

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

.page-faq .qa-steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 0;
}

.page-faq .qa-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(238, 243, 255, 0.8);
}

.page-faq .qa-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--signal);
}

.page-faq .qa-card__more {
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .qa-card__more a {
  color: var(--electric);
  text-underline-offset: 3px;
}

/* 章节配图 */
.page-faq .faq-figure {
  margin: 20px 0 8px;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
}

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

/* 页末支持区 */
.page-faq .faq-support {
  display: grid;
  gap: 22px;
  margin-top: clamp(30px, 5vw, 56px);
  padding: clamp(20px, 3vw, 32px);
  border: 2px solid var(--gold);
  background:
    linear-gradient(150deg, rgba(242, 184, 75, 0.12), rgba(10, 18, 48, 0.96) 58%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-support__lead h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--silver);
}

.page-faq .faq-support__lead p:not(.eyebrow) {
  max-width: 58ch;
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(238, 243, 255, 0.82);
}

.page-faq .faq-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-support__grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-support__card {
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
}

.page-faq .faq-support__card h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-faq .faq-support__value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--gold);
  word-break: break-word;
}

.page-faq .faq-support__card p:not(.faq-support__value) {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(238, 243, 255, 0.7);
}

.page-faq .faq-support__legal {
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-support__legal a {
  color: var(--electric);
  text-underline-offset: 3px;
}

@media (min-width: 760px) {
  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-card__summary {
    padding: 16px 20px;
  }

  .page-faq .qa-card__body {
    padding: 16px 20px 20px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .qa-card__title {
    font-size: 16px;
  }

  .page-faq .faq-figure {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-card,
  .page-faq .qa-card:hover,
  .page-faq .faq-jump a:hover {
    transform: none;
    transition: none;
  }

  .page-faq .qa-card__toggle::before,
  .page-faq .qa-card__toggle::after {
    transition: none;
  }
}
<<<END>>>