/* ===== 答疑中心 · 页面专属样式（作用域：.page-faq） ===== */

.page-faq {
  --faq-pad: clamp(20px, 3.6vw, 44px);
  --faq-anchor-offset: calc(var(--bar-h) + 84px);
}

/* ---- 页头：左侧标题 + 右侧编号短标签的不对称拼贴 ---- */
.page-faq .faq-head {
  padding-block: clamp(28px, 4.6vw, 56px) clamp(22px, 3vw, 34px);
}

.page-faq .faq-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 32px);
  align-items: end;
}

.page-faq .faq-head__main {
  min-width: 0;
}

.page-faq .faq-head__side {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding-top: 12px;
  border-top: 3px solid var(--c-yellow);
}

.page-faq .faq-head__num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 6vw, 60px);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -0.03em;
  color: var(--c-yellow);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-head__cap {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-2);
  padding-bottom: 4px;
}

@media (min-width: 900px) {
  .page-faq .faq-head__grid {
    grid-template-columns: minmax(0, 1fr) 232px;
  }
  .page-faq .faq-head__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 14px;
  }
  .page-faq .faq-head__cap {
    padding-bottom: 0;
  }
}

/* ---- 分组跳转标签条 ---- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--bar-h);
  z-index: 4;
  background: var(--c-night-deep);
  border-top: 3px solid var(--c-clay);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-jump__track {
  display: flex;
  gap: 8px;
  padding: 12px var(--gutter);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  color: var(--ink);
  text-decoration: none;
  background: var(--c-deep);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: background-color .2s ease, transform .2s ease, border-color .2s ease;
}

.page-faq .faq-jump__link:nth-child(1) { border-color: var(--c-meadow); }
.page-faq .faq-jump__link:nth-child(2) { border-color: var(--c-ice); }
.page-faq .faq-jump__link:nth-child(3) { border-color: var(--c-orange); }
.page-faq .faq-jump__link:nth-child(4) { border-color: var(--c-vermilion); }
.page-faq .faq-jump__link:nth-child(5) { border-color: var(--c-yellow); }

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--c-deep-lift);
  transform: translateY(-2px);
}

.page-faq .faq-jump__no {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  color: var(--c-clay);
}

.page-faq .faq-jump__link:nth-child(1) .faq-jump__no { color: var(--c-meadow); }
.page-faq .faq-jump__link:nth-child(2) .faq-jump__no { color: var(--c-ice); }
.page-faq .faq-jump__link:nth-child(3) .faq-jump__no { color: var(--c-orange); }
.page-faq .faq-jump__link:nth-child(4) .faq-jump__no { color: var(--c-vermilion); }
.page-faq .faq-jump__link:nth-child(5) .faq-jump__no { color: var(--c-yellow); }

/* ---- 分组容器 ---- */
.page-faq .faq-group {
  scroll-margin-top: var(--faq-anchor-offset);
  padding-block: clamp(34px, 5.4vw, 66px);
  border-bottom: 3px solid var(--c-clay);
}

.page-faq .faq-group:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-group__index {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 3px var(--c-clay);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__meta {
  min-width: 0;
}

.page-faq .faq-group__title {
  margin: 6px 0 8px;
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

@media (min-width: 860px) {
  .page-faq .faq-group__head {
    grid-template-columns: minmax(96px, 168px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
  .page-faq .faq-group__index {
    padding-top: 4px;
  }
}

/* ---- 组内配图 ---- */
.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 3px solid var(--c-night-deep);
  border-radius: var(--radius);
  box-shadow: var(--shadow-brut);
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-3);
}

/* ---- 问答条目 ---- */
.page-faq .faq-group__items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--c-deep);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--c-deep-lift);
}

.page-faq .faq-item[open] {
  border-color: var(--c-vermilion);
  border-left-width: 6px;
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 3px solid var(--c-yellow);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-align: right;
  color: var(--c-clay);
  padding-top: 2px;
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--c-vermilion);
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

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

@media (min-width: 700px) {
  .page-faq .faq-item__summary {
    gap: 18px;
    padding: 18px 22px;
  }
  .page-faq .faq-item__q {
    font-size: 17px;
  }
}

.page-faq .faq-item__panel {
  padding: 0 16px 18px 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-faq .faq-item__panel p {
  margin: 0 0 10px;
  max-width: 68ch;
}

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

@media (min-width: 700px) {
  .page-faq .faq-item__panel {
    padding: 0 22px 22px 66px;
  }
}

/* ---- 组内结论高亮 ---- */
.page-faq .faq-key {
  display: inline-block;
  padding: 3px 10px;
  background: var(--c-yellow);
  color: var(--c-night);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  border-radius: var(--radius);
}

/* ---- 组内行动按钮行 ---- */
.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px !important;
}

/* ---- 页底通栏 ---- */
.page-faq .faq-bandshot {
  margin: clamp(34px, 5vw, 64px) 0 0;
  border-top: 3px solid var(--c-clay);
  border-bottom: 3px solid var(--c-clay);
}

.page-faq .faq-bandshot img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: cover;
}

.page-faq .faq-bandshot .media__caption {
  display: block;
  padding: 12px var(--gutter) 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-3);
  background: var(--c-night-deep);
}

/* ---- 键盘与动效降级 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item {
    transition: none;
  }
  .page-faq .faq-jump__link:hover,
  .page-faq .faq-jump__link:focus-visible {
    transform: none;
  }
}
</final>