.page-faq {
  background: var(--ink-navy);
  color: var(--cool-white);
  padding-bottom: clamp(40px, 6vw, 88px);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3vw, 34px) 0 clamp(24px, 3.5vw, 48px);
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(10, 50, 53, 0.55) 0%, rgba(6, 13, 26, 0) 82%);
}

.page-faq .faq-hero__inner {
  display: block;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-faq .faq-hero__copy .eyebrow {
  color: var(--signal-cyan);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  margin: 16px 0 0;
  font-size: 0.875rem;
  color: var(--mist);
}

.page-faq .faq-hero__meta a {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 210, 0.4);
}

.page-faq .faq-hero__meta a:hover,
.page-faq .faq-hero__meta a:focus-visible {
  border-bottom-color: var(--signal-cyan);
}

.page-faq .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
}

.page-faq .faq-hero__media {
  border-radius: var(--radius);
}

.page-faq .faq-hero__media img {
  min-height: 180px;
  background: var(--charcoal);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-list-title {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-tabs {
  position: relative;
}

.page-faq .faq-index {
  position: sticky;
  top: calc(var(--header-h) + 6px);
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 2px 12px;
  margin-bottom: clamp(14px, 2vw, 24px);
  background: linear-gradient(180deg, var(--ink-navy) 0%, var(--ink-navy) 76%, rgba(6, 13, 26, 0) 100%);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--charcoal);
  color: var(--mist);
  font: inherit;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  line-height: 1.3;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index__btn:hover {
  color: var(--cool-white);
  border-color: var(--signal-cyan);
}

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

.page-faq .faq-index__btn[aria-selected="true"] {
  background: var(--signal-cyan);
  border-color: var(--signal-cyan);
  color: var(--ink-navy);
  font-weight: 700;
}

.page-faq .faq-index__btn[aria-selected="true"] .faq-index__idx {
  color: rgba(6, 13, 26, 0.66);
}

.page-faq .faq-index__idx {
  color: var(--signal-cyan);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-faq .tab-panel {
  padding-top: clamp(6px, 1vw, 12px);
}

.page-faq .faq-panel__lead {
  max-width: 62ch;
  margin: 0 0 clamp(14px, 2vw, 24px);
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-faq .faq-item {
  border-top: 1px solid var(--hairline);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-item[open] {
  border-top-color: rgba(47, 224, 210, 0.45);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding: 18px 6px;
  margin: 0;
  list-style: none;
  cursor: pointer;
  color: var(--cool-white);
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--signal-cyan);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2212";
}

.page-faq .faq-item__q:hover {
  background: rgba(47, 224, 210, 0.045);
  color: var(--signal-cyan);
}

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

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

.page-faq .faq-item__idx {
  color: var(--mist);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--signal-orange);
}

.page-faq .faq-item__a {
  padding: 0 6px 22px 44px;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.75em;
  max-width: 68ch;
}

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

.page-faq .faq-flow {
  margin: clamp(20px, 3vw, 34px) 0 6px;
  border-radius: var(--radius);
}

.page-faq .faq-flow img {
  min-height: 160px;
  background: var(--charcoal);
}

.page-faq .faq-flow .media__caption {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* ---------- 材料模板断点 ---------- */
.page-faq .faq-template {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--signal-orange);
  border-radius: var(--radius);
  background: var(--charcoal);
}

.page-faq .faq-template .eyebrow {
  color: var(--amber-note);
  margin: 0 0 8px;
}

.page-faq .faq-template h2 {
  margin: 0 0 12px;
}

.page-faq .faq-template__intro {
  margin: 0 0 16px;
  max-width: 56ch;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-faq .faq-template__list {
  margin: 0;
  padding-left: 1.3em;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-faq .faq-template__list li {
  margin-bottom: 0.55em;
}

.page-faq .faq-template__list strong {
  color: var(--cool-white);
  font-weight: 600;
}

.page-faq .faq-template__foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  color: var(--amber-note);
}

/* ---------- 去向卡片 ---------- */
.page-faq .faq-next {
  margin-top: clamp(16px, 2vw, 26px);
  gap: 14px;
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--charcoal);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translateY(-1px);
  border-color: var(--signal-cyan);
  background: #151d26;
}

.page-faq .faq-next__kicker {
  color: var(--signal-orange);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.page-faq .faq-next__title {
  color: var(--cool-white);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-next__desc {
  color: var(--mist);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-item__a {
    padding-left: 56px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-hero__media {
    margin-right: calc(-1 * clamp(0px, 2vw, 26px));
  }

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

@media (max-width: 560px) {
  .page-faq .faq-item__q {
    gap: 10px;
    padding: 16px 2px;
  }

  .page-faq .faq-item__a {
    padding: 0 2px 20px 2px;
  }

  .page-faq .faq-index {
    top: calc(var(--header-h) + 2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__btn,
  .page-faq .faq-item__q,
  .page-faq .faq-next__card {
    transition: none;
  }

  .page-faq .faq-next__card:hover,
  .page-faq .faq-next__card:focus-visible {
    transform: none;
  }
}