.page-faq {
  background: var(--cream);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏：战术板式问答入口 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink);
  color: var(--cream);
  padding: calc(var(--header-h) + 28px) 0 46px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -24% -12% auto -12%;
  height: 160%;
  background: repeating-linear-gradient(90deg, rgba(31, 122, 77, 0.22) 0 52px, rgba(31, 122, 77, 0) 52px 104px);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -150px;
  height: 230px;
  background: var(--cyan);
  opacity: 0.13;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-hero .breadcrumb a,
.page-faq .faq-hero .breadcrumb span {
  color: rgba(244, 241, 232, 0.7);
  font-size: 13px;
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a {
  border-bottom: 1px solid rgba(46, 230, 176, 0.5);
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--cyan);
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.82);
}

.page-faq .faq-scoreboard {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 2px solid var(--clay);
}

.page-faq .faq-score-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
}

.page-faq .faq-score-num {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--flare);
  letter-spacing: -0.01em;
}

.page-faq .faq-score-label {
  font-size: 13px;
  color: rgba(244, 241, 232, 0.72);
}

/* ---------- 主体：左索引 + 右手风琴 ---------- */
.page-faq .faq-body {
  padding: 54px 0 46px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 34px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .faq-index-list {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
}

.page-faq .faq-index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 120ms ease-out, border-color 120ms ease-out, color 120ms ease-out;
}

.page-faq .faq-index-link:hover {
  border-color: var(--grass);
  color: var(--grass);
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay);
}

.page-faq .faq-index-link.is-current {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

.page-faq .faq-index-link.is-current .faq-index-num {
  color: var(--cyan);
}

.page-faq .faq-groups {
  display: grid;
  gap: 50px;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h-min) + 20px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--clay);
}

.page-faq .faq-group-num {
  grid-row: 1 / span 2;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(199, 99, 58, 0.12);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--clay);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 30px);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-group-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .faq-split {
  display: grid;
  gap: 26px;
  margin-top: 6px;
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h-min) + 16px);
  transition: background-color 200ms ease-out, box-shadow 200ms ease-out;
}

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  padding: 18px 40px 18px 4px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  border-radius: var(--radius-sm);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--grass);
  border-bottom: 2px solid var(--grass);
  border-radius: 2px;
  transform: rotate(-45deg);
  transition: transform 200ms ease-out;
}

.page-faq .faq-item[open] > summary {
  color: var(--grass);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(45deg);
  border-color: var(--clay);
}

.page-faq .faq-item[open] {
  background: rgba(46, 230, 176, 0.06);
  box-shadow: inset 3px 0 0 var(--cyan);
  border-radius: var(--radius-sm);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  max-width: 680px;
  padding: 0 32px 20px 4px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-answer p {
  margin: 0;
}

.page-faq .faq-answer a {
  color: var(--grass);
  border-bottom: 1px solid rgba(31, 122, 77, 0.4);
  text-decoration: none;
}

.page-faq .faq-answer a:hover {
  color: var(--grass-deep);
  border-bottom-color: var(--grass-deep);
}

.page-faq .faq-anchor {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-anchor:hover {
  color: var(--grass);
  border-bottom-color: var(--grass);
}

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

.page-faq .faq-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-photo {
  padding: 0 0 68px;
}

.page-faq .faq-figure--wide img {
  max-height: 460px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* ---------- 收尾深色区 ---------- */
.page-faq .faq-tail {
  background: var(--ink);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-faq .faq-tail-inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-tail h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 34px);
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-tail p {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.8);
}

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

.page-faq .faq-tail-note {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(244, 241, 232, 0.18);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.72);
}

.page-faq .faq-tail-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 176, 0.45);
}

.page-faq .faq-tail-note a:hover {
  color: var(--flare);
  border-bottom-color: var(--flare);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 40px) 0 58px;
  }

  .page-faq .faq-scoreboard {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-lead {
    font-size: 1.125rem;
  }

  .page-faq .faq-tail-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    padding: 72px 0 54px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h-min) + 24px);
    align-self: start;
  }

  .page-faq .faq-index-list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index-list li {
    margin-bottom: 6px;
  }

  .page-faq .faq-index-link {
    display: flex;
    width: 100%;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    border-color: transparent;
    background: transparent;
  }

  .page-faq .faq-index-link:hover {
    background: var(--white);
    border-color: var(--line);
  }

  .page-faq .faq-index-link.is-current {
    background: var(--white);
    border-color: var(--grass);
    color: var(--grass);
    box-shadow: inset 3px 0 0 var(--cyan);
  }

  .page-faq .faq-index-link.is-current .faq-index-num {
    color: var(--clay);
  }

  .page-faq .faq-groups {
    gap: 62px;
  }
}

@media (min-width: 1140px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-split-aside {
    position: sticky;
    top: calc(var(--header-h-min) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-index-link {
    transition: none;
  }
}