/* ===== 核对问答 · 页面专属样式 ===== */
.page-faq {
  padding-bottom: 88px;
}

/* ---------- 首屏：不对称分屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding: 24px 0 34px;
  border-bottom: 3px solid var(--moss);
}

.page-faq .faq-hero .eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7.2vw, 3.15rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 33em;
  color: var(--mute);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
}

.page-faq .faq-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-meta__k {
  color: var(--mute);
  letter-spacing: 0.08em;
}

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

.page-faq .faq-hero__art .figure__frame {
  border: 3px solid var(--moss);
  box-shadow: 6px 6px 0 var(--char);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体：内容 + 术语索引 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 40px;
  padding-top: 36px;
}

.page-faq .faq-main {
  display: grid;
  gap: 46px;
  min-width: 0;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 3px solid var(--char);
  background: rgba(20, 38, 31, 0.55);
  padding-left: 10px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 4.4vw, 2.3rem);
  font-weight: 500;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3.6vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--cream);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--moss);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 2px 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) linear;
}

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

.page-faq .qa__q:hover {
  background: rgba(200, 255, 77, 0.05);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .qa__num {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--cream);
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--coral);
}

.page-faq .qa__sign::after {
  transform: rotate(90deg);
  transition: transform var(--dur) linear;
}

.page-faq .qa[open] .qa__sign::after {
  transform: rotate(0deg);
}

.page-faq .qa__body {
  margin: 0 0 6px 4px;
  padding: 2px 0 16px 14px;
  border-left: 3px solid var(--moss);
}

.page-faq .qa--route .qa__body {
  border-left-color: var(--coral);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  max-width: 36em;
  color: var(--mute);
  font-size: 0.95rem;
  line-height: 1.85;
}

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

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

.page-faq .qa__body a:hover {
  color: var(--gold);
}

/* ---------- 中段留白带 ---------- */
.page-faq .faq-band {
  padding: 30px 0;
  border-top: 2px solid var(--moss);
  border-bottom: 2px solid var(--moss);
}

.page-faq .faq-band .figure__frame {
  border: 2px solid var(--moss);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-band .figure__cap {
  margin: 12px 0 0;
  max-width: 40em;
  color: var(--mute);
  font-size: 0.8rem;
  line-height: 1.7;
}

/* ---------- 底部指向 ---------- */
.page-faq .faq-foot {
  display: grid;
  gap: 18px;
  align-items: start;
  padding: 22px;
  background: var(--panel);
  border: 2px solid var(--moss);
  box-shadow: var(--hard-shadow-sm);
}

.page-faq .faq-foot__text {
  margin: 0;
  max-width: 38em;
  color: var(--mute);
  font-size: 0.92rem;
  line-height: 1.85;
}

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

.page-faq .faq-foot__text a:hover {
  color: var(--gold);
}

.page-faq .faq-foot .btn {
  justify-self: start;
}

/* ---------- 术语索引窄栏 ---------- */
.page-faq .faq-index {
  border: 2px solid var(--moss);
  background: var(--panel);
  padding: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.page-faq .faq-index ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  color: var(--cream);
  font-size: 0.85rem;
  line-height: 1.5;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color var(--dur) linear, background var(--dur) linear;
}

.page-faq .faq-index a .mono {
  color: var(--lime);
  font-size: 0.74rem;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-left-color: var(--lime);
  background: rgba(200, 255, 77, 0.07);
}

.page-faq .faq-index a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--moss);
  color: var(--mute);
  font-size: 0.76rem;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
  }

  .page-faq .faq-foot .btn {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
    gap: 46px;
    padding: 44px 0 52px;
  }

  .page-faq .faq-hero__art .figure__frame {
    box-shadow: 8px 8px 0 var(--char);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 224px;
    gap: 54px;
    align-items: start;
    padding-top: 44px;
  }

  .page-faq .faq-main {
    grid-column: 1;
  }

  .page-faq .faq-index {
    grid-column: 2;
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-group__head {
    padding-left: 14px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-index {
    top: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q,
  .page-faq .qa__sign::after,
  .page-faq .faq-index a {
    transition: none;
  }
}