.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  --faq-sticky: calc(var(--topbar-h) + 24px);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: clamp(18px, 3vw, 28px);
  font-size: 13px;
  color: var(--muted);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 16px;
  padding-top: clamp(22px, 4vw, 44px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin: 0;
  max-width: 20ch;
}

.page-faq .faq-hero__accent {
  color: var(--cyan);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 15px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  background: var(--panel);
}

.page-faq .faq-hero__meta .data-num {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--orange);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  margin-top: clamp(36px, 6vw, 68px);
}

.page-faq .faq-steps__head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-steps__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.page-faq .faq-steps__head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-faq .step {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--edge);
  overflow: hidden;
}

.page-faq .step__num {
  position: absolute;
  top: 4px;
  right: 14px;
  font-family: var(--font-data);
  font-size: clamp(56px, 9vw, 84px);
  line-height: 1;
  color: var(--edge);
  transition: color 200ms var(--ease);
  pointer-events: none;
}

.page-faq .step:hover .step__num,
.page-faq .step:focus-within .step__num {
  color: rgba(44, 224, 198, 0.24);
}

.page-faq .step__title {
  position: relative;
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.page-faq .step__title::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 10px;
  vertical-align: 5px;
  background: var(--cyan);
}

.page-faq .step__text {
  position: relative;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 图片基座 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--panel);
}

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

.page-faq .faq-figure .media__caption {
  padding: 12px 18px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--edge);
  letter-spacing: 0.02em;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  margin-top: clamp(40px, 7vw, 80px);
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-faq .faq-index {
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  padding: 18px 16px;
  background: linear-gradient(160deg, var(--panel) 0%, rgba(12, 35, 29, 0.55) 100%);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--edge);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  transform: translateX(2px);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px dashed var(--edge);
}

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

.page-faq .faq-group {
  margin-bottom: clamp(34px, 5vw, 60px);
  scroll-margin-top: var(--faq-sticky);
}

.page-faq .faq-group__head {
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 200ms var(--ease);
}

.page-faq .faq-group__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-group:target .faq-group__head h2 {
  color: var(--cyan);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-q {
  border: 1px solid var(--edge);
  border-radius: var(--r-sm);
  background: var(--panel);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-q:hover {
  border-color: rgba(44, 224, 198, 0.45);
}

.page-faq .faq-q[open] {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-q__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 17px 20px;
  margin: 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 1.6;
  font-weight: 500;
  color: var(--text);
}

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

.page-faq .faq-q__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-q__no {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  flex: none;
  padding-top: 2px;
}

.page-faq .faq-q[open] .faq-q__no {
  color: var(--orange);
}

.page-faq .faq-q__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 180ms var(--ease);
}

.page-faq .faq-q[open] .faq-q__q::after {
  content: "−";
}

.page-faq .faq-q__a {
  padding: 0 20px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-q__a p {
  margin: 0 0 8px;
}

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

.page-faq .faq-q__lead {
  color: var(--text);
  font-weight: 500;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
}

.page-faq .faq-q__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 224, 198, 0.4);
}

.page-faq .faq-q__a a:hover,
.page-faq .faq-q__a a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary {
  margin-top: clamp(20px, 4vw, 40px);
  padding-top: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--edge);
  scroll-margin-top: var(--faq-sticky);
}

.page-faq .faq-glossary__head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  max-width: 70ch;
}

.page-faq .faq-glossary__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.page-faq .faq-glossary__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .gloss-scroll {
  overflow-x: auto;
  border: 1px solid var(--edge);
  border-radius: var(--r-md);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-faq .gloss {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-faq .gloss thead th {
  text-align: left;
  padding: 13px 16px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--muted);
  background: rgba(6, 18, 15, 0.6);
  border-bottom: 1px solid var(--edge);
  white-space: nowrap;
}

.page-faq .gloss tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid rgba(23, 64, 52, 0.6);
  color: var(--muted);
  line-height: 1.6;
  vertical-align: top;
}

.page-faq .gloss tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .gloss tbody tr:hover td {
  background: rgba(44, 224, 198, 0.05);
  color: var(--text);
}

.page-faq .gloss tbody td:first-child {
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
}

.page-faq .gloss__en {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--lg-a) !important;
  white-space: nowrap;
}

.page-faq .gloss tbody tr:hover .gloss__en {
  color: var(--cyan) !important;
}

/* ---------- 还是没解决 ---------- */
.page-faq .faq-help {
  margin-top: clamp(36px, 6vw, 64px);
  scroll-margin-top: var(--faq-sticky);
}

.page-faq .faq-help__panel {
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--panel) 0%, rgba(12, 35, 29, 0.5) 100%);
  border: 1px solid var(--edge);
  display: grid;
  gap: 16px;
}

.page-faq .faq-help__panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.page-faq .faq-help__panel > p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-help__tips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .faq-help__tips li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-help__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-faq .faq-help__actions .btn {
  font-size: 14px;
  padding: 11px 22px;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-help__actions .btn:hover {
  transform: translateY(-2px);
}

.page-faq .faq-help__actions .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-help__actions .btn--primary {
  background: var(--orange);
  border: 1px solid var(--orange);
  color: #06120F;
  font-weight: 500;
}

.page-faq .faq-help__actions .btn--primary:hover {
  background: transparent;
  color: var(--orange);
}

.page-faq .faq-help__actions .btn--ghost {
  background: transparent;
  border: 1px solid var(--edge);
  color: var(--muted);
}

.page-faq .faq-help__actions .btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .step {
    padding: 30px 22px 26px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-index__link {
    width: 100%;
    justify-content: flex-start;
    border-radius: 12px;
    padding: 10px 14px;
    border-color: transparent;
    border-left: 2px solid var(--edge);
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    border-color: var(--edge);
    border-left-color: var(--cyan);
    background: rgba(44, 224, 198, 0.06);
  }

  .page-faq .faq-q__q {
    padding: 20px 24px;
  }

  .page-faq .faq-q__a {
    padding: 0 24px 24px 56px;
  }

  .page-faq .gloss {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q,
  .page-faq .step__num,
  .page-faq .faq-index__link,
  .page-faq .faq-help__actions .btn {
    transition: none;
  }

  .page-faq .faq-q[open] {
    transform: none;
  }

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