.page-faq {
  --faq-index-w: 16rem;
  --faq-sticky-top: 7.5rem;
  --faq-muted: rgba(237, 241, 247, .64);
  --faq-panel-soft: rgba(12, 20, 36, .78);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  color: var(--gx-cream);
  font-family: var(--gx-font-body);
  background:
    radial-gradient(70% 42% at 88% 4%, rgba(56, 242, 224, .08), transparent 70%),
    radial-gradient(60% 40% at -12% 42%, rgba(255, 122, 47, .055), transparent 72%);
}

.page-faq a {
  color: inherit;
}

.page-faq a:focus-visible {
  outline: 2px solid var(--gx-cyan);
  outline-offset: 3px;
}

/* 首屏 */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--gx-line);
  padding: clamp(1.1rem, 3vw, 2rem) 0 clamp(1.8rem, 4.5vw, 3rem);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
}

.page-faq .faq-hero__text {
  display: grid;
  gap: .85rem;
  align-content: end;
  min-width: 0;
}

.page-faq .faq-hero__text .gx-crumbs {
  margin-bottom: .2rem;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--gx-font-head);
  font-weight: 600;
  font-size: clamp(1.85rem, 5vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--gx-cream);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 44rem;
  font-size: clamp(.94rem, 1.05vw, 1.02rem);
  line-height: 1.85;
  color: var(--faq-muted);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--gx-line);
  background: var(--gx-panel);
  overflow: hidden;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 13, .12), rgba(5, 7, 13, .74)),
    repeating-linear-gradient(90deg, rgba(56, 242, 224, .07) 0 1px, transparent 1px 72px);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

/* 两栏骨架 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: start;
  padding-top: clamp(1.8rem, 4vw, 3rem);
}

.page-faq .faq-index {
  min-width: 0;
  border-top: 2px solid var(--gx-cyan);
  padding-top: .9rem;
}

.page-faq .faq-index__title {
  margin: 0 0 .75rem;
  font-family: var(--gx-font-num);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gx-stone);
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
  padding: .55rem .5rem .55rem .15rem;
  border-bottom: 1px solid var(--gx-line);
  text-decoration: none;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--gx-cream);
  transition: color .18s var(--gx-ease), background-color .18s var(--gx-ease);
}

.page-faq .faq-index__no {
  font-family: var(--gx-font-num);
  font-size: .72rem;
  color: var(--gx-stone);
  transition: color .18s var(--gx-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(56, 242, 224, .07);
  color: var(--gx-cyan);
}

.page-faq .faq-index__link:hover .faq-index__no,
.page-faq .faq-index__link:focus-visible .faq-index__no {
  color: var(--gx-cyan);
}

.page-faq .faq-index__tip {
  margin: .9rem 0 0;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--gx-stone);
}

.page-faq .faq-index__tip a {
  color: var(--gx-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, .45);
}

/* 分类区块 */
.page-faq .faq-lists {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: var(--faq-sticky-top);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.2rem, 5vw, 3.4rem);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .7rem;
  align-items: baseline;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--gx-line);
}

.page-faq .faq-group__no {
  font-family: var(--gx-font-num);
  font-size: .95rem;
  letter-spacing: .05em;
  color: var(--gx-pulse);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--gx-font-head);
  font-weight: 600;
  font-size: clamp(1.22rem, 2.6vw, 1.7rem);
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--gx-cream);
}

.page-faq .faq-group__intro {
  margin: .8rem 0 0;
  max-width: 46rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--faq-muted);
}

/* 问答条目 */
.page-faq .faq-q {
  border-bottom: 1px solid var(--gx-line);
  transition: background-color .18s var(--gx-ease);
}

.page-faq .faq-q:first-of-type {
  margin-top: 1.1rem;
  border-top: 1px solid var(--gx-line);
}

.page-faq .faq-q:hover {
  background: rgba(12, 20, 36, .62);
}

.page-faq .faq-q[open] {
  background: var(--faq-panel-soft);
}

.page-faq .faq-q__head {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr) 1.2rem;
  gap: .65rem;
  align-items: center;
  padding: .9rem .7rem .9rem .2rem;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-q__no {
  font-family: var(--gx-font-num);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--gx-stone);
}

.page-faq .faq-q__text {
  font-size: .97rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--gx-cream);
  transition: color .18s var(--gx-ease);
}

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

.page-faq .faq-q__mark {
  position: relative;
  justify-self: end;
  width: 1.1rem;
  height: 1.1rem;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gx-stone);
  transition: transform .2s var(--gx-ease), background-color .2s var(--gx-ease);
}

.page-faq .faq-q__mark::before {
  width: .85rem;
  height: 1px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q__mark::after {
  width: 1px;
  height: .85rem;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q[open] .faq-q__mark::before {
  background: var(--gx-cyan);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  background: var(--gx-cyan);
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-q__body {
  padding: 0 .7rem 1.35rem 3.15rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--faq-muted);
}

.page-faq .faq-q__body p {
  margin: 0 0 .7rem;
}

.page-faq .faq-q__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-q__body a {
  color: var(--gx-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, .45);
}

/* 步骤序列 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: .85rem 0 .9rem;
  padding: 0;
  display: grid;
  gap: .3rem;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .55rem;
  align-items: baseline;
  padding: .42rem .6rem .42rem .75rem;
  border-left: 1px solid var(--gx-line);
  font-size: .89rem;
  line-height: 1.7;
  transition: border-color .18s var(--gx-ease), background-color .18s var(--gx-ease);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--gx-font-num);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--gx-cyan);
}

.page-faq .faq-steps li:hover {
  border-left-color: var(--gx-cyan);
  background: rgba(56, 242, 224, .05);
}

/* 行内字段与提示条 */
.page-faq .faq-code {
  font-family: var(--gx-font-num);
  font-size: .84em;
  letter-spacing: -.01em;
  color: var(--gx-cyan);
  padding: .05em .4em;
  border: 1px solid rgba(56, 242, 224, .42);
  border-radius: var(--gx-radius);
  background: rgba(56, 242, 224, .08);
}

.page-faq .faq-note {
  margin: 1rem 0 0;
  padding: .7rem .9rem;
  border-left: 2px solid var(--gx-whistle);
  background: rgba(242, 199, 68, .07);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--gx-cream);
}

/* 配图 */
.page-faq .faq-figure {
  margin: 1.25rem 0 1.4rem;
  border: 1px solid var(--gx-line);
  background: var(--gx-panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 620;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: .6rem .8rem;
  border-top: 1px solid var(--gx-line);
  font-family: var(--gx-font-num);
  font-size: .71rem;
  letter-spacing: .05em;
  color: var(--gx-stone);
}

/* 收尾行动区 */
.page-faq .faq-cta {
  margin-top: 1.2rem;
  padding: clamp(1.05rem, 3vw, 1.6rem);
  border: 1px solid var(--gx-line);
  border-left: 2px solid var(--gx-pulse);
  background: linear-gradient(135deg, rgba(255, 122, 47, .075), rgba(12, 20, 36, .62) 62%);
}

.page-faq .faq-cta p {
  margin: 0 0 .8rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--faq-muted);
}

.page-faq .faq-cta p:last-child {
  margin: 1.1rem 0 0;
}

.page-faq .faq-cta__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-faq .faq-cta__list li {
  display: grid;
  grid-template-columns: 1.1rem minmax(0, 1fr);
  gap: .55rem;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--gx-cream);
}

.page-faq .faq-cta__list li::before {
  content: "—";
  font-family: var(--gx-font-num);
  color: var(--gx-pulse);
}

.page-faq .faq-cta .gx-btn {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
}

/* 响应式 */
@media (min-width: 40rem) {
  .page-faq .faq-group__head {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: .9rem;
  }
}

@media (min-width: 62rem) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 64rem) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }
}

@media (max-width: 40rem) {
  .page-faq .faq-q__head {
    grid-template-columns: 1.9rem minmax(0, 1fr) 1.1rem;
    gap: .5rem;
    padding-right: .3rem;
  }

  .page-faq .faq-q__body {
    padding-left: 2.4rem;
    padding-right: .3rem;
  }

  .page-faq .faq-steps li {
    grid-template-columns: 1.6rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}