.page-faq {
  --faq-accent: var(--cyan);
  padding-bottom: 0;
}

.page-faq .breadcrumb {
  margin-top: clamp(20px, 4vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding-block: clamp(26px, 4vw, 46px) clamp(40px, 6vw, 68px);
  border-bottom: 1px solid var(--line-faint);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2rem, 7.2vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--glass);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-quick {
  margin-top: 26px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  max-width: 40em;
}

.page-faq .faq-quick__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--line);
}

.page-faq .faq-quick ol {
  counter-reset: fq;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-quick li {
  counter-increment: fq;
  position: relative;
  padding-left: 36px;
}

.page-faq .faq-quick li::before {
  content: "0" counter(fq);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-quick a {
  color: var(--glass);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-quick a:hover {
  color: var(--cyan-bright);
  border-bottom-color: rgba(67, 224, 206, 0.45);
}

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

/* ---------- 主体画布 ---------- */
.page-faq .faq-canvas {
  background:
    radial-gradient(120% 60% at 100% 0%, rgba(62, 85, 104, 0.28), transparent 62%),
    linear-gradient(180deg, rgba(62, 85, 104, 0.14) 0%, rgba(8, 11, 16, 0) 42%);
  padding-block: clamp(34px, 5vw, 58px) clamp(48px, 7vw, 96px);
}

.page-faq .faq-body {
  display: grid;
  gap: 32px;
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-side__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--line);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-side__list li {
  flex: 0 0 auto;
}

.page-faq .faq-side__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-faint);
  border-radius: 999px;
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--glass);
  border-color: rgba(67, 224, 206, 0.5);
  background: rgba(67, 224, 206, 0.08);
}

.page-faq .faq-side__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--line);
}

.page-faq .faq-side__note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line-faint);
}

.page-faq .faq-side__note p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

/* ---------- 问答列 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-main__figure {
  margin: 0 0 34px;
  max-width: 460px;
}

.page-faq .faq-scene {
  padding-block: 30px 8px;
  border-top: 1px solid var(--line-faint);
  scroll-margin-top: 108px;
}

.page-faq .faq-main__figure + .faq-scene {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-scene:nth-of-type(1) { --faq-accent: var(--cyan); }
.page-faq .faq-scene:nth-of-type(2) { --faq-accent: var(--gold); }
.page-faq .faq-scene:nth-of-type(3) { --faq-accent: var(--violet-soft); }
.page-faq .faq-scene:nth-of-type(4) { --faq-accent: var(--green); }
.page-faq .faq-scene:nth-of-type(5) { --faq-accent: var(--orange); }
.page-faq .faq-scene:nth-of-type(6) { --faq-accent: var(--cyan-bright); }

.page-faq .faq-scene__head {
  margin-bottom: 14px;
}

.page-faq .faq-scene__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--faq-accent);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--faq-accent);
  margin-bottom: 12px;
}

.page-faq .faq-scene__head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.22rem, 3.4vw, 1.6rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--glass);
}

.page-faq .faq-scene__head p {
  margin: 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line-faint);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  color: var(--glass);
}

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

.page-faq .qa summary:hover .qa__q {
  color: var(--faq-accent);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--faq-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--line);
  padding-top: 4px;
  transition: color 0.2s var(--ease);
}

.page-faq .qa[open] .qa__no {
  color: var(--faq-accent);
}

.page-faq .qa__q {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  transition: color 0.2s var(--ease);
}

.page-faq .qa__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  color: var(--line);
  transition: color 0.2s var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}

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

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  transition: opacity 0.18s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  color: var(--faq-accent);
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 0 18px 34px;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-scene__side {
  margin: 16px 0 0;
}

.page-faq .faq-scene__side a {
  display: inline-block;
  font-size: 13px;
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 214, 224, 0.22);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-scene__side a:hover {
  border-bottom-color: currentColor;
}

/* ---------- 收束带 ---------- */
.page-faq .faq-end {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 22px;
}

.page-faq .faq-end h2 {
  margin: 0 0 8px;
  font-size: clamp(1.2rem, 3.2vw, 1.5rem);
  line-height: 1.35;
  color: var(--glass);
}

.page-faq .faq-end p {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 40px;
  }

  .page-faq .faq-hero__figure {
    margin-top: -12px;
  }

  .page-faq .faq-end {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

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

  .page-faq .faq-side__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__list a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 8px 8px 0;
    padding: 9px 10px;
    white-space: normal;
  }

  .page-faq .faq-side__list a:hover,
  .page-faq .faq-side__list a:focus-visible {
    border-left-color: var(--cyan);
    background: var(--glass-04);
  }

  .page-faq .faq-scene__head h2 {
    font-size: 1.68rem;
  }

  .page-faq .faq-scene {
    padding-block: 40px 12px;
  }

  .page-faq .faq-main__figure {
    max-width: 400px;
    margin-left: 46px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero {
    gap: 56px;
  }

  .page-faq .faq-hero__figure {
    margin-top: -34px;
  }

  .page-faq .qa__q {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark,
  .page-faq .qa__mark::after,
  .page-faq .qa__q,
  .page-faq .qa__no,
  .page-faq .faq-quick a,
  .page-faq .faq-side__list a,
  .page-faq .faq-scene__side a {
    transition: none;
  }
}
<<<END>>>