.page-faq {
  --faq-rail: 210px;
  --faq-ink-soft: #22333f;
  display: block;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* 面包屑与首屏 */
.page-faq .breadcrumb {
  padding-top: clamp(1.1rem, 3vw, 1.9rem);
}

.page-faq .faq-intro {
  padding-top: clamp(1.4rem, 4vw, 2.6rem);
  padding-bottom: clamp(2rem, 5vw, 3.4rem);
}

.page-faq .faq-intro__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  align-items: end;
}

.page-faq .faq-intro__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.2vw, 3.15rem);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.2;
  color: var(--c-text);
  margin: .8rem 0 1.1rem;
}

.page-faq .faq-intro__lead {
  margin: 0 0 1.3rem;
  max-width: 52ch;
  font-size: clamp(1rem, 2.1vw, 1.08rem);
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--c-text);
  opacity: .88;
}

.page-faq .faq-intro__note {
  margin: 0;
  padding-left: .9rem;
  border-left: 2px solid var(--c-amber);
  max-width: 46ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-faq .faq-intro__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(37, 216, 224, .12), rgba(18, 38, 58, .9) 62%);
}

.page-faq .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-faq .media-frame__caption {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-dim);
}

@media (min-width: 900px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* 主体：左场景轨 + 右问答流 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(2rem, 4.5vw, 3.5rem);
  align-items: start;
}

.page-faq .faq-scenes {
  border-bottom: 1px solid var(--c-line-soft);
  padding-bottom: 1.4rem;
}

.page-faq .faq-scenes__title {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-dim);
}

.page-faq .faq-scenes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .4rem .6rem;
}

.page-faq .faq-scenes__link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .5rem .7rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-dim);
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-scenes__link:hover,
.page-faq .faq-scenes__link:focus-visible {
  color: var(--c-text);
  border-color: var(--c-cyan);
  background: rgba(37, 216, 224, .08);
}

.page-faq .faq-scenes__link:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 2px;
}

.page-faq .faq-scenes__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-cyan);
  opacity: .85;
}

.page-faq .faq-scenes__foot {
  margin: .95rem 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-dim);
  max-width: 34ch;
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(2.25rem, 5vw, 4.5rem);
  }

  .page-faq .faq-scenes {
    position: sticky;
    top: calc(var(--topline-h) + 2rem);
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-faq .faq-scenes__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    border-left: 1px solid var(--c-line);
  }

  .page-faq .faq-scenes__link {
    margin-left: -1px;
    padding: .58rem 0 .58rem 1rem;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: none;
    font-size: 15px;
  }

  .page-faq .faq-scenes__link:hover,
  .page-faq .faq-scenes__link:focus-visible {
    background: none;
    border-left-color: var(--c-cyan);
    color: var(--c-text);
  }
}

/* 问答流 */
.page-faq .faq-flow {
  display: grid;
  gap: clamp(2.25rem, 5vw, 3.6rem);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--topline-h) + 1.5rem);
}

.page-faq .section-head__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-faq .section-head__title {
  margin: .45rem 0 .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.3;
  color: var(--c-text);
}

.page-faq .section-head__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-dim);
}

.page-faq .faq-group__figure {
  margin: 1.4rem 0 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-list {
  display: grid;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background: var(--c-ink-2);
  overflow: hidden;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.page-faq .faq-item[open] {
  border-color: rgba(37, 216, 224, .55);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.3vw, 1.1rem);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.6;
  color: var(--c-text);
  transition: color .24s var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: .5em;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 1.15rem 1.2rem 1.35rem;
  background: var(--c-paper);
  border-top: 1px solid rgba(11, 22, 34, .14);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item__a p + p {
  margin-top: .7rem;
}

.page-faq .faq-item__a a {
  color: #0d6b73;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: #0b1622;
}

.page-faq .faq-item__a a:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 2px;
}

/* 中段快捷入口带 */
.page-faq .faq-quick {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: radial-gradient(120% 150% at 0% 0%, rgba(37, 216, 224, .16), rgba(18, 38, 58, .92) 60%);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-quick__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-cyan-soft);
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-quick__card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background: rgba(11, 22, 34, .55);
  color: var(--c-text);
  text-decoration: none;
  transition: transform .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-quick__card:hover,
.page-faq .faq-quick__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
  background: rgba(37, 216, 224, .1);
}

.page-faq .faq-quick__card:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 2px;
}

.page-faq .faq-quick__name {
  font-family: var(--font-display);
  font-size: 1.03rem;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-quick__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-dim);
}

@media (min-width: 700px) {
  .page-faq .faq-quick__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .8rem;
  }
}

/* 收尾支持块 */
.page-faq .faq-support {
  margin-top: 1.5rem;
  padding: clamp(1.35rem, 3vw, 2rem);
}

.page-faq .faq-support .panel__text {
  margin: 0 0 1.1rem;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-text);
  opacity: .88;
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-support__list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
  opacity: .9;
}

.page-faq .faq-support__n {
  flex: 0 0 auto;
  padding-top: .3em;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-amber);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-quick__card,
  .page-faq .faq-scenes__link {
    transition: none;
  }

  .page-faq .faq-item:hover,
  .page-faq .faq-quick__card:hover {
    transform: none;
  }
}