.page-faq {
  --faq-line: rgba(37, 244, 216, 0.24);
  --faq-line-soft: rgba(157, 189, 212, 0.16);
  --faq-tint: rgba(37, 244, 216, 0.07);
  --faq-coral-tint: rgba(255, 95, 61, 0.12);
  --faq-gap: clamp(16px, 3vw, 26px);
  position: relative;
  overflow-x: clip;
  color: var(--rb-text);
}

.page-faq a {
  text-decoration: none;
}

.page-faq .rb-btn {
  font-family: var(--rb-font-body);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: clamp(20px, 4vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -180px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at 35% 35%, rgba(37, 244, 216, 0.2), rgba(37, 244, 216, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(157, 189, 212, 0.07) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-faq .faq-hero__wrap {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 46px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(2.5rem, 8.5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 88px;
  height: 6px;
  margin-top: 18px;
  background: var(--rb-coral);
}

.page-faq .faq-hero__lede {
  margin-top: 22px;
  max-width: 60ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-faq .faq-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--rb-navy);
  overflow: hidden;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-faq .faq-shot figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-family: var(--rb-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  color: var(--rb-text-dim);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-stat {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--rb-navy);
}

.page-faq .faq-stat__v {
  font-family: var(--rb-font-mono);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  color: var(--rb-cyan);
  letter-spacing: -0.01em;
}

.page-faq .faq-stat__l {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--rb-text-dim);
}

/* ---------- 主题问答 ---------- */
.page-faq .faq-topics__head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-faq .faq-tabs {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-tabs__bar {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--faq-line-soft);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  padding: 15px 20px;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--rb-text-dim);
  font-family: var(--rb-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s var(--rb-ease), background 0.2s var(--rb-ease);
}

.page-faq .faq-tab:hover {
  color: var(--rb-cyan);
  background: var(--faq-tint);
}

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

.page-faq .faq-tab[aria-selected="true"] {
  color: var(--rb-abyss);
  background: var(--rb-cyan);
  border-bottom-color: var(--rb-coral);
}

.page-faq .faq-panel {
  padding-top: clamp(22px, 3.5vw, 34px);
}

.page-faq .faq-qa {
  counter-reset: faq;
  display: grid;
  gap: 1px;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-qa__item {
  counter-increment: faq;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 22px 18px;
  background: var(--rb-navy);
  border-left: 3px solid transparent;
  transition: background 0.22s var(--rb-ease), border-color 0.22s var(--rb-ease);
}

.page-faq .faq-qa__item::before {
  content: counter(faq, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 4px;
  font-family: var(--rb-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--rb-coral);
}

.page-faq .faq-qa__item:hover {
  background: var(--rb-navy-2);
  border-left-color: var(--rb-cyan);
}

.page-faq .faq-qa__q {
  grid-column: 2;
  margin: 0;
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.5;
  color: var(--rb-text);
}

.page-faq .faq-qa__a {
  grid-column: 2;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--rb-text-dim);
}

/* ---------- 使用路径 ---------- */
.page-faq .faq-path__wrap {
  display: grid;
  gap: clamp(30px, 5vw, 46px);
}

.page-faq .faq-path__lede {
  margin-top: 14px;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--rb-text-dim);
}

.page-faq .faq-timeline {
  margin-top: 28px;
}

.page-faq .faq-step .rb-timeline__title {
  color: var(--rb-text);
}

.page-faq .faq-path__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-shot--aside {
  border-color: var(--faq-line-soft);
}

.page-faq .faq-aside__card {
  padding: 22px 20px 24px;
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--rb-coral);
  background: linear-gradient(158deg, rgba(37, 244, 216, 0.09), rgba(3, 17, 31, 0.92) 62%);
}

.page-faq .faq-aside__index {
  margin: 0 0 10px;
  font-family: var(--rb-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--rb-cyan);
}

.page-faq .faq-aside__title {
  margin: 0 0 10px;
  font-size: 1.15rem;
  color: var(--rb-text);
}

.page-faq .faq-aside__text {
  margin: 0 0 18px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--rb-text-dim);
}

/* ---------- 收尾联系 ---------- */
.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--faq-line-soft);
  border-left: 4px solid var(--rb-cyan);
  background: linear-gradient(120deg, rgba(6, 32, 54, 0.9), rgba(3, 17, 31, 0.65));
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--rb-text-dim);
}

.page-faq .faq-cta__text a {
  color: var(--rb-cyan);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-cta__text a:hover {
  color: var(--rb-coral);
  border-bottom-color: var(--rb-coral);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-qa__item {
    grid-template-columns: 58px minmax(0, 1fr);
    padding: 26px 28px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-cta__links {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__wrap {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 56px;
  }

  .page-faq .faq-hero__media {
    margin-top: 14px;
  }

  .page-faq .faq-path__wrap {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    gap: 58px;
  }

  .page-faq .faq-path__aside {
    position: sticky;
    top: 112px;
  }
}
</main>