.page-faq {
  --faq-index-w: 262px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--rule);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  margin-top: 1.1rem;
  padding-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-hero__frame {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4.5vw, 3.25rem);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(200, 244, 46, 0.13) 0%, rgba(200, 244, 46, 0) 58%),
    linear-gradient(158deg, var(--panel) 0%, var(--ink) 68%);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--rule) 0 1px, transparent 1px 13px);
  opacity: 0.9;
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 360px;
  height: 360px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  margin-bottom: 0.9rem;
}

.page-faq .faq-hero__meta .label {
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.4vw, 3.7rem);
  line-height: 1.03;
  letter-spacing: 0.005em;
  color: var(--text);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: var(--pill);
  background: rgba(20, 22, 26, 0.55);
  font-size: 0.79rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-faq .faq-hero__stats .mono {
  color: var(--lime);
  font-weight: 600;
}

/* ---------- 索引 + 问答双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
  min-width: 0;
}

.page-faq .faq-index {
  min-width: 0;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-index .label {
  display: block;
  margin: 0;
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.95rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--rule);
  border-radius: var(--pill);
  background: var(--char);
  color: var(--text);
  font-size: 0.86rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.page-faq .faq-index__link .mono {
  font-size: 0.74rem;
  color: var(--muted);
  transition: color 0.22s ease;
}

.page-faq .faq-index__link:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.page-faq .faq-index__link:hover .mono {
  color: var(--lime);
}

.page-faq .faq-index__link.is-active,
.page-faq .faq-index__link[aria-current] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-text);
}

.page-faq .faq-index__link.is-active .mono,
.page-faq .faq-index__link[aria-current] .mono {
  color: var(--ink-text);
}

.page-faq .faq-index__note {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 34ch;
}

.page-faq .faq-index__note--plain {
  padding-top: 0.85rem;
  border-top: 1px dashed var(--rule);
}

.page-faq .faq-index__note a {
  color: var(--lime-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-panels {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  min-width: 0;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure .media-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--rule);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
  filter: saturate(0.78) contrast(1.04);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.79rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 104px;
  min-width: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.3rem 0.9rem;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-group__num {
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-group__desc {
  grid-column: 2 / -1;
  margin: 0.15rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.05rem;
}

.page-faq .qa {
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--char);
  overflow: hidden;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-faq .qa:hover {
  border-color: #2b4738;
}

.page-faq .qa[open] {
  background: var(--panel);
  border-color: #2f5540;
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: color 0.2s ease;
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.2;
  color: var(--lime);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
}

.page-faq .qa[open] .qa__q {
  color: var(--lime-soft);
}

.page-faq .qa__a {
  margin: 0 1.1rem 1.15rem;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa__lead {
  margin: 0;
  padding-left: 0.85rem;
  border-left: 3px solid var(--lime);
  color: var(--text);
  font-weight: 600;
  line-height: 1.72;
}

.page-faq .qa__more {
  margin: 0.45rem 0 0;
  padding-left: calc(0.85rem + 3px);
}

.page-faq .qa__more a,
.page-faq .qa__lead a {
  color: var(--lime-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa__more .mono {
  color: var(--lime);
}

/* ---------- 下一站 ---------- */
.page-faq .faq-next {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--char);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease, background-color 0.25s ease;
}

.page-faq .faq-next__card:hover {
  border-color: var(--lime);
  background: var(--panel);
  transform: translateY(-3px);
}

.page-faq .faq-next__card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-next__card-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa__q {
    padding: 1.05rem 1.3rem;
  }

  .page-faq .qa__a {
    margin: 0 1.3rem 1.25rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(2rem, 3.5vw, 3.25rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    padding-bottom: 0;
    border-bottom: 0;
    padding-right: 1.35rem;
    border-right: 1px solid var(--rule);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.4rem;
    margin-top: 1.1rem;
  }

  .page-faq .faq-index__link {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--r-sm);
    white-space: normal;
  }

  .page-faq .faq-index__note {
    max-width: none;
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-hero__frame {
    padding-right: clamp(4rem, 14vw, 12rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .breadcrumb a,
  .page-faq .faq-index__link,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-next__card {
    transition: none;
  }

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