.page-faq {
  --faq-gap: clamp(0.9rem, 1.8vw, 1.4rem);
}

.page-faq .faq-hero {
  padding-block: clamp(2.5rem, 7vw, 4.5rem) clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--gap);
  margin-top: 1.5rem;
}

.page-faq .faq-hero .display-title {
  max-width: 20ch;
  margin-bottom: 1rem;
}

.page-faq .faq-hero__meta {
  align-self: end;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-soft);
  padding: 1.1rem 1.2rem;
}

.page-faq .faq-hero__meta-title {
  margin: 0 0 0.7rem;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-hero__meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--snow);
}

.page-faq .faq-hero__meta-list li {
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(34, 55, 92, 0.75);
  color: var(--mist);
}

.page-faq .faq-hero__meta-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-hero__meta-list .num {
  font-size: 1.5rem;
  color: var(--gold);
  margin-right: 0.35rem;
}

.page-faq .faq-head {
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
  max-width: 62ch;
}

.page-faq .faq-head .display-title {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  margin: 0.4rem 0 0.6rem;
}

.page-faq .faq-head__note {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 场景入口 */
.page-faq .faq-scene-tabs {
  display: grid;
  gap: 0.8rem;
}

.page-faq .faq-scene-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(16, 31, 60, 0.6);
  cursor: pointer;
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .faq-scene-card:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 211, 181, 0.45);
}

.page-faq .faq-scene-card__idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-scene-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--snow);
}

.page-faq .faq-scene-card__desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq #scene-a:checked ~ .faq-scene-tabs label[for="scene-a"],
.page-faq #scene-b:checked ~ .faq-scene-tabs label[for="scene-b"],
.page-faq #scene-c:checked ~ .faq-scene-tabs label[for="scene-c"] {
  border-color: var(--turquoise);
  background: linear-gradient(160deg, rgba(47, 211, 181, 0.16), rgba(16, 31, 60, 0.85));
}

.page-faq #scene-a:checked ~ .faq-scene-tabs label[for="scene-a"] .faq-scene-card__idx,
.page-faq #scene-b:checked ~ .faq-scene-tabs label[for="scene-b"] .faq-scene-card__idx,
.page-faq #scene-c:checked ~ .faq-scene-tabs label[for="scene-c"] .faq-scene-card__idx {
  color: var(--turquoise);
}

.page-faq #scene-a:focus-visible ~ .faq-scene-tabs label[for="scene-a"],
.page-faq #scene-b:focus-visible ~ .faq-scene-tabs label[for="scene-b"],
.page-faq #scene-c:focus-visible ~ .faq-scene-tabs label[for="scene-c"] {
  outline: 2px solid var(--turquoise);
  outline-offset: 2px;
}

.page-faq .faq-scene-panel {
  display: none;
}

.page-faq #scene-a:checked ~ .faq-scene-panels #panel-a,
.page-faq #scene-b:checked ~ .faq-scene-panels #panel-b,
.page-faq #scene-c:checked ~ .faq-scene-panels #panel-c {
  display: block;
}

.page-faq .faq-scene-panels {
  margin-top: 1rem;
  border-left: 2px solid var(--coral);
  border-radius: 0 16px 16px 0;
  background: rgba(255, 122, 89, 0.06);
  padding: 1.1rem 1.2rem;
}

.page-faq .faq-scene-panel h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  color: var(--snow);
}

.page-faq .faq-scene-panel p {
  margin: 0 0 0.7rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 60ch;
}

.page-faq .faq-scene-panel .btn {
  margin-top: 0.2rem;
}

/* 图片 */
.page-faq .faq-figure {
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--turf), var(--panel));
}

.page-faq .faq-figure .media-frame__caption {
  display: block;
  margin-top: 0.6rem;
  font-size: 12px;
  color: var(--mist);
  line-height: 1.6;
}

/* 分步操作 */
.page-faq .faq-steps {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-step-list {
  position: relative;
  display: grid;
  gap: 0.85rem;
}

.page-faq .faq-branch {
  display: none;
}

.page-faq .faq-step {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(16, 31, 60, 0.66);
  overflow: hidden;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-faq .faq-step:hover {
  border-color: rgba(47, 211, 181, 0.4);
}

.page-faq .faq-step[open] {
  border-color: rgba(47, 211, 181, 0.6);
  background: rgba(16, 31, 60, 0.92);
}

.page-faq .faq-step summary {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step__num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--night);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold);
}

.page-faq .faq-step__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--snow);
  line-height: 1.45;
}

.page-faq .faq-step[open] .faq-step__name {
  color: var(--turquoise);
}

.page-faq .faq-step__body {
  padding: 0 1.1rem 1.1rem;
}

.page-faq .faq-step__body p {
  margin: 0 0 0.65rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 58ch;
}

.page-faq .faq-step__misread {
  border-left: 2px solid var(--coral);
  padding-left: 0.75rem;
  color: rgba(244, 248, 251, 0.78) !important;
}

.page-faq .faq-figure--steps {
  margin-top: 1.2rem;
}

/* 术语栏 */
.page-faq .faq-glossary {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(10, 20, 40, 0.72);
  padding: 1.05rem 1.1rem;
}

.page-faq .faq-glossary__title {
  margin: 0 0 0.8rem;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  font-weight: 600;
}

.page-faq .faq-glossary dl {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-glossary dt {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--turquoise);
}

.page-faq .faq-glossary dd {
  margin: 0.18rem 0 0;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--mist);
}

/* 区间建议 */
.page-faq .faq-range-grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-range {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(16, 31, 60, 0.58);
  padding: 1.2rem 1.2rem 1.35rem;
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .faq-range:hover {
  transform: translateY(-4px);
  border-color: rgba(242, 193, 78, 0.45);
}

.page-faq .faq-range__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-range h3 {
  margin: 0.7rem 0 0.55rem;
  font-size: 1.05rem;
  color: var(--snow);
}

.page-faq .faq-range p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 自查清单 */
.page-faq .faq-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(16, 31, 60, 0.5);
  transition: background 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .faq-check:hover {
  background: rgba(47, 211, 181, 0.08);
  border-color: rgba(47, 211, 181, 0.35);
}

.page-faq .faq-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 0.15rem 0 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--night);
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-check input[type="checkbox"]:checked {
  background: var(--turquoise);
  border-color: var(--turquoise);
  box-shadow: inset 0 0 0 5px var(--night);
}

.page-faq .faq-check input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--turquoise);
  outline-offset: 3px;
}

.page-faq .faq-check__body {
  display: grid;
  gap: 0.25rem;
  cursor: pointer;
}

.page-faq .faq-check__title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--snow);
}

.page-faq .faq-check__line {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-check__act {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(47, 211, 181, 0.92);
}

.page-faq .faq-check:has(input:checked) {
  border-color: rgba(47, 211, 181, 0.5);
  background: rgba(47, 211, 181, 0.06);
}

.page-faq .faq-check:has(input:checked) .faq-check__title {
  color: var(--mist);
}

/* 人工协助 */
.page-faq .faq-help__panel {
  display: grid;
  gap: var(--gap);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(150deg, rgba(27, 74, 66, 0.55), rgba(16, 31, 60, 0.9) 58%);
  padding: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-help__main .display-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0.4rem 0 0.7rem;
}

.page-faq .faq-help__main p {
  margin: 0 0 1rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-help__info {
  margin: 0;
  display: grid;
  gap: 0.7rem;
  align-content: start;
  border-top: 1px solid rgba(34, 55, 92, 0.9);
  padding-top: 1rem;
}

.page-faq .faq-help__info dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-help__info dd {
  margin: 0.2rem 0 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--snow);
}

.page-faq .faq-help__mail {
  font-family: var(--font-mono);
  color: var(--gold) !important;
  word-break: break-all;
}

@media (min-width: 720px) {
  .page-faq .faq-scene-tabs {
    grid-template-columns: 1.15fr 0.95fr 0.95fr;
    align-items: stretch;
  }

  .page-faq .faq-range-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-help__info {
    border-top: 0;
    border-left: 1px solid rgba(34, 55, 92, 0.9);
    padding-top: 0;
    padding-left: 1.2rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1fr) 270px;
    align-items: start;
  }

  .page-faq .faq-glossary {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-step-list {
    padding-left: 4.2rem;
  }

  .page-faq .faq-branch {
    display: block;
    position: absolute;
    left: 0;
    top: 10px;
    width: 3.4rem;
    height: calc(100% - 20px);
    color: var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scene-card,
  .page-faq .faq-step,
  .page-faq .faq-range,
  .page-faq .faq-check {
    transition: none;
  }

  .page-faq .faq-scene-card:hover,
  .page-faq .faq-range:hover {
    transform: none;
  }
}
<<<END>>>