.page-faq {
  --faq-cut: 20px;
  --faq-line: rgba(221, 227, 242, 0.14);
}

.page-faq .breadcrumb {
  padding-block: clamp(14px, 2.5vw, 26px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(20px, 3.5vw, 40px) clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-hero h1 {
  margin-top: 14px;
}

.page-faq .faq-lede {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--mist);
  font-size: clamp(1rem, 1.25vw, 1.1rem);
  line-height: 1.85;
}

.page-faq .faq-hero-tags {
  margin-top: 22px;
}

.page-faq .faq-route {
  background: rgba(15, 23, 51, 0.74);
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--neon-orange);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-route-title {
  margin: 0 0 10px;
  color: var(--steel);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-faq .faq-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-route-list li + li {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-route-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-route-list a .mono {
  color: var(--steel);
  font-size: 0.8rem;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-route-list a:hover,
.page-faq .faq-route-list a:focus-visible {
  color: var(--neon-orange);
  padding-left: 6px;
}

.page-faq .faq-route-list a:hover .mono,
.page-faq .faq-route-list a:focus-visible .mono {
  color: var(--neon-orange);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  padding-block: clamp(6px, 2vw, 18px) clamp(40px, 6vw, 76px);
}

.page-faq .faq-toc,
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-toc {
  align-self: start;
  background: rgba(15, 23, 51, 0.62);
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--neon-orange);
  padding: clamp(16px, 2vw, 22px);
  margin-bottom: clamp(24px, 4vw, 0px);
}

.page-faq .faq-toc-title {
  margin: 0 0 12px;
  color: var(--steel);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.45;
  text-decoration: none;
  border-left: 1px solid var(--faq-line);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .faq-toc-link .mono {
  color: var(--steel);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--neon-orange);
  background: rgba(255, 106, 42, 0.07);
  border-left-color: var(--neon-orange);
}

.page-faq .faq-toc-link:hover .mono,
.page-faq .faq-toc-link:focus-visible .mono {
  color: var(--neon-orange);
}

/* ---------- 内容块 ---------- */
.page-faq .faq-block {
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-faq .faq-block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-block-index {
  flex: none;
  color: var(--neon-orange);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.page-faq .faq-block h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.35;
}

.page-faq .faq-block-lede {
  max-width: 62ch;
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 0.97rem;
  line-height: 1.85;
  opacity: 0.88;
}

.page-faq .faq-block-lede a,
.page-faq .qa-answer a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-block-lede a:hover,
.page-faq .qa-answer a:hover,
.page-faq .faq-block-lede a:focus-visible,
.page-faq .qa-answer a:focus-visible {
  color: var(--neon-orange);
}

/* ---------- 三步流程 ---------- */
.page-faq .steps {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-faq .step {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid rgba(122, 92, 255, 0.5);
}

.page-faq .step:last-child {
  border-left-color: rgba(255, 106, 42, 0.8);
}

.page-faq .step-num {
  display: block;
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
}

.page-faq .step h3 {
  margin: 8px 0 6px;
  font-size: 1.04rem;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .step p {
  margin: 0;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.78;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 34px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  background: var(--nebula-soft);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  margin-top: clamp(18px, 3vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .qa {
  position: relative;
  background: rgba(11, 18, 40, 0.72);
  border: 1px solid var(--faq-line);
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color 0.24s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--line-strong);
}

.page-faq .qa[open] {
  background: var(--nebula);
  border-color: rgba(255, 106, 42, 0.45);
}

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

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-faq .qa summary::marker {
  content: "";
}

.page-faq .qa-num {
  flex: none;
  padding-top: 0.22em;
  color: var(--electric-purple);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa-answer {
  padding: 0 18px 18px;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-faq .qa-answer p {
  margin: 0;
}

.page-faq .qa-answer p + p {
  margin-top: 0.7em;
}

/* ---------- 术语速查 ---------- */
.page-faq .glossary {
  margin: clamp(20px, 3vw, 28px) 0 0;
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .term {
  background: var(--nebula-soft);
  padding: 16px 18px;
}

.page-faq .term dt {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
}

.page-faq .term dd {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.78;
}

/* ---------- 结尾行动区 ---------- */
.page-faq .faq-cta-wrap {
  padding-bottom: clamp(48px, 7vw, 90px);
}

.page-faq .faq-callout {
  padding: clamp(22px, 3.5vw, 40px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(
    125deg,
    rgba(122, 92, 255, 0.26) 0%,
    rgba(15, 23, 51, 0.9) 42%,
    rgba(255, 106, 42, 0.2) 100%
  );
}

.page-faq .faq-callout-kicker {
  margin: 0;
  color: var(--peach);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-faq .faq-callout h2 {
  max-width: 26ch;
  margin: 12px 0 0;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  line-height: 1.38;
}

.page-faq .faq-callout-text {
  max-width: 58ch;
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 0.96rem;
  line-height: 1.82;
}

.page-faq .faq-callout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1023px) {
  .page-faq .faq-toc,
  .page-faq .faq-content {
    grid-column: 1 / -1;
  }

  .page-faq .faq-toc-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-faq .faq-toc-link {
    border-left: 0;
    border: 1px solid var(--faq-line);
    padding: 7px 11px;
    font-size: 0.86rem;
  }

  .page-faq .faq-toc-link:hover,
  .page-faq .faq-toc-link:focus-visible {
    border-color: var(--neon-orange);
  }
}

@media (min-width: 820px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 30px);
  }

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

@media (min-width: 920px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-toc {
    position: sticky;
    top: 116px;
    margin-bottom: 0;
  }

  .page-faq .faq-toc-list {
    flex-direction: column;
  }
}
<<<END>>>