.page-faq {
  --faq-hair: 1px solid var(--ly-line);
  background: var(--ly-deep);
  color: var(--ly-paper);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq .faq-scan__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: calc(var(--ly-header-h) + clamp(26px, 5vw, 56px));
  padding-bottom: clamp(28px, 4vw, 44px);
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(53, 224, 208, .10), transparent 62%),
    radial-gradient(80% 70% at 6% 92%, rgba(255, 107, 44, .07), transparent 66%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ly-body-soft);
}

.page-faq .faq-hero__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: 26px;
}

.page-faq .faq-scan {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 14px 6px 6px;
  border-radius: var(--ly-r-pill);
  border: 1px solid var(--ly-line);
  background: rgba(16, 27, 46, .6);
  transition: border-color var(--ly-dur) var(--ly-ease), background var(--ly-dur) var(--ly-ease);
}

.page-faq .faq-scan:hover {
  border-color: var(--ly-cyan-55);
}

.page-faq .faq-scan__switch {
  position: relative;
  display: block;
  width: 42px;
  height: 24px;
  border-radius: var(--ly-r-pill);
  background: var(--ly-steel);
  border: 1px solid var(--ly-line);
  transition: background var(--ly-dur) var(--ly-ease), border-color var(--ly-dur) var(--ly-ease);
}

.page-faq .faq-scan__knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ly-rock);
  transition: transform var(--ly-dur) var(--ly-ease), background var(--ly-dur) var(--ly-ease);
}

.page-faq .faq-scan__label {
  font-size: 14px;
  color: var(--ly-body-soft);
  letter-spacing: .01em;
}

.page-faq #faq-scan:focus-visible ~ .faq-hero .faq-scan {
  outline: 2px solid var(--ly-cyan);
  outline-offset: 3px;
}

.page-faq #faq-scan:checked ~ .faq-hero .faq-scan {
  border-color: var(--ly-cyan);
  background: var(--ly-cyan-08);
}

.page-faq #faq-scan:checked ~ .faq-hero .faq-scan__switch {
  background: var(--ly-cyan-16);
  border-color: var(--ly-cyan);
}

.page-faq #faq-scan:checked ~ .faq-hero .faq-scan__knob {
  transform: translateX(18px);
  background: var(--ly-cyan);
}

.page-faq #faq-scan:checked ~ .faq-hero .faq-scan__label {
  color: var(--ly-paper);
}

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

.page-faq .faq-hero__figure .ly-figure__media {
  position: relative;
  aspect-ratio: 3 / 2;
  border-radius: var(--ly-r-lg);
  overflow: hidden;
  border: 1px solid var(--ly-line);
}

.page-faq .faq-hero__figure .ly-figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.72) contrast(1.06);
}

.page-faq .faq-hero__figure::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--ly-cyan-55), transparent 72%);
}

.page-faq .ly-figure__caption {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ly-rock);
  max-width: 30em;
}

/* ---------- 数字条 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ly-line);
  border-block: var(--faq-hair);
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ly-deep);
}

.page-faq .faq-stats__num {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--ly-cyan);
  letter-spacing: -0.01em;
}

.page-faq .faq-stats__label {
  font-size: 13px;
  color: var(--ly-rock);
  line-height: 1.5;
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(32px, 6vw, 60px);
}

.page-faq .faq-legend {
  align-self: start;
  border: var(--faq-hair);
  border-radius: var(--ly-r-md);
  padding: 18px 16px;
  background: var(--ly-stand);
}

.page-faq .faq-legend__title {
  margin: 0 0 14px;
  font-family: var(--ly-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ly-rock);
}

.page-faq .faq-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-legend__li {
  --faq-c: var(--ly-cyan);
}

.page-faq .faq-legend__li--signal { --faq-c: var(--ly-signal); }
.page-faq .faq-legend__li--moss { --faq-c: var(--ly-moss); }
.page-faq .faq-legend__li--clay { --faq-c: var(--ly-clay); }

.page-faq .faq-legend__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px 10px 18px;
  border-radius: var(--ly-r-sm);
  text-decoration: none;
  color: var(--ly-body-soft);
  border: 1px solid transparent;
  transition: border-color var(--ly-dur) var(--ly-ease), background var(--ly-dur) var(--ly-ease), color var(--ly-dur) var(--ly-ease);
}

.page-faq .faq-legend__link::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 50%;
  width: 5px;
  height: 16px;
  border-radius: 3px;
  transform: translateY(-50%);
  background: var(--faq-c);
}

.page-faq .faq-legend__link:hover,
.page-faq .faq-legend__link:focus-visible {
  border-color: var(--faq-c);
  background: rgba(53, 224, 208, .06);
  color: var(--ly-paper);
  outline: none;
}

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

.page-faq .faq-legend__no {
  font-size: 12px;
  color: var(--faq-c);
  letter-spacing: .06em;
}

.page-faq .faq-legend__name {
  font-size: 15px;
  font-weight: 600;
}

.page-faq .faq-legend__count {
  margin-left: auto;
  min-width: 24px;
  text-align: center;
  font-size: 12px;
  padding: 2px 7px;
  border-radius: var(--ly-r-pill);
  border: 1px solid var(--ly-line);
  color: var(--ly-rock);
}

.page-faq .faq-legend__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--faq-hair);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ly-rock);
}

/* ---------- 分组 ---------- */
.page-faq .faq-zones {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--ly-header-h) + 28px);
  padding-block: clamp(22px, 3.6vw, 34px);
  border-top: var(--faq-hair);
}

.page-faq .faq-group:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .faq-group:target {
  animation: faq-zone-flash 1.4s var(--ly-ease);
}

@keyframes faq-zone-flash {
  0% { background: rgba(53, 224, 208, .12); }
  100% { background: transparent; }
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.page-faq .faq-group__no {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ly-cyan);
}

.page-faq .faq-group__no::after {
  content: " /";
  color: var(--ly-line);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ly-paper);
}

.page-faq .faq-group__lead {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ly-rock);
  max-width: 40em;
}

.page-faq .faq-group__grid {
  display: grid;
  gap: 18px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: var(--faq-hair);
}

.page-faq .faq-item {
  border-bottom: var(--faq-hair);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(15px, 2.2vw, 21px) 2px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ly-paper);
  transition: color var(--ly-dur) var(--ly-ease);
}

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

.page-faq .faq-q:hover {
  color: var(--ly-cyan);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--ly-cyan);
  outline-offset: 2px;
  border-radius: var(--ly-r-sm);
}

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-top: 9px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--ly-rock);
  transition: transform var(--ly-dur) var(--ly-ease), border-top-color var(--ly-dur) var(--ly-ease);
}

.page-faq .faq-item[open] .faq-q__mark {
  transform: rotate(180deg);
  border-top-color: var(--ly-cyan);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--ly-cyan);
}

.page-faq .faq-a {
  margin: 0 2px 20px 2px;
  padding: 4px 4px 2px 18px;
  border-left: 2px solid var(--ly-cyan);
  animation: faq-slide 220ms var(--ly-ease);
}

@keyframes faq-slide {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ly-body-soft);
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-a a {
  color: var(--ly-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--ly-paper);
}

.page-faq .faq-side-figure {
  margin: 0;
  align-self: start;
}

.page-faq .faq-side-figure .ly-figure__media {
  aspect-ratio: 1 / 1;
  border-radius: var(--ly-r-md);
  overflow: hidden;
  border: var(--faq-hair);
}

.page-faq .faq-side-figure .ly-figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.62) contrast(1.1) brightness(.92);
}

.page-faq .faq-side-figure .ly-figure__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ly-rock);
}

/* ---------- 速览模式 ---------- */
.page-faq #faq-scan:checked ~ .faq-layout .faq-a {
  display: none;
}

.page-faq #faq-scan:checked ~ .faq-layout .faq-q {
  padding-block: 12px;
  font-size: 16px;
}

.page-faq #faq-scan:checked ~ .faq-layout .faq-side-figure {
  display: none;
}

/* ---------- 底部求助 ---------- */
.page-faq .faq-help {
  margin-top: clamp(28px, 5vw, 48px);
  border: var(--faq-hair);
  border-radius: var(--ly-r-lg);
  padding: clamp(22px, 4vw, 36px);
  background:
    linear-gradient(150deg, rgba(53, 224, 208, .08), transparent 58%),
    var(--ly-stand);
  display: grid;
  gap: 18px;
}

.page-faq .faq-help__title {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 800;
  letter-spacing: -0.015em;
}

.page-faq .faq-help__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ly-body-soft);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-help__meta {
  margin: 0;
  padding-top: 14px;
  border-top: var(--faq-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ly-rock);
}

.page-faq .faq-help__meta a {
  color: var(--ly-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .faq-group__grid {
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: start;
  }

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

  .page-faq .faq-help__meta {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-legend {
    position: sticky;
    top: calc(var(--ly-header-h) + 28px);
  }

  .page-faq .faq-a {
    padding-left: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }
  .page-faq .faq-group:target {
    animation: none;
    background: rgba(53, 224, 208, .08);
  }
}

@media print {
  .page-faq .faq-legend,
  .page-faq .faq-help__actions,
  .page-faq .faq-hero__bar,
  .page-faq .faq-hero__figure {
    display: none;
  }

  .page-faq .faq-a {
    display: block !important;
  }

  .page-faq {
    background: #fff;
    color: #111;
  }
}
<<<END>>>