.page-faq {
  --faq-line: rgba(232, 237, 245, 0.10);
  --faq-line-strong: rgba(232, 237, 245, 0.18);
  --faq-wash: rgba(232, 237, 245, 0.035);
  color: var(--silver);
}

.page-faq .faq-topbar {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(200, 145, 58, 0.15), transparent 58%),
    linear-gradient(168deg, var(--c-base) 0%, var(--c-deep) 100%);
  border-bottom: 1px solid var(--gold-dim);
  padding: 32px 0 44px;
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero-inner > * {
  min-width: 0;
}

.page-faq .faq-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 48ch;
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--silver-dim);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--faq-line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-stat-num {
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
}

.page-faq .faq-stat-label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--silver-dim);
}

.page-faq .faq-hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass);
}

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

.page-faq .faq-hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(78, 107, 114, 0.18) 0 1px,
    transparent 1px 24px
  );
}

.page-faq .faq-figure-cap {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver-dim);
  border-top: 1px solid var(--faq-line);
  background: rgba(10, 18, 32, 0.55);
}

/* ---------- 分类坐标条 ---------- */
.page-faq .faq-coord {
  border-bottom: 1px solid var(--faq-line);
  background: rgba(10, 18, 32, 0.62);
  padding: 16px 0 10px;
}

.page-faq .faq-coord-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-coord-list::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-coord-list::-webkit-scrollbar-thumb {
  background: var(--gold-dim);
}

.page-faq .faq-coord-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--silver);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-coord-link .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver-dim);
}

.page-faq .faq-coord-link:hover,
.page-faq .faq-coord-link:focus-visible {
  border-color: var(--gold);
  background: rgba(200, 145, 58, 0.12);
  color: var(--gold-soft);
}

.page-faq .faq-coord-link:hover .mono,
.page-faq .faq-coord-link:focus-visible .mono {
  color: var(--gold);
}

.page-faq .faq-coord-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-section {
  padding: 46px 0 8px;
  scroll-margin-top: 84px;
}

.page-faq .faq-cat-head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 8px;
  align-items: center;
  margin-bottom: 20px;
}

.page-faq .faq-cat-num {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding: 3px 8px;
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius);
}

.page-faq .faq-cat-title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-faq .faq-cat-hint {
  grid-column: 1 / -1;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver-dim);
}

.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--gold-dim);
  border-radius: var(--radius);
  background: var(--c-panel);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--gold);
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
  background: var(--c-panel-soft);
}

.page-faq .faq-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--silver);
  transition: color 0.2s var(--ease);
}

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

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

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

.page-faq .faq-qnum {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--silver-dim);
}

.page-faq .faq-item[open] .faq-qnum {
  color: var(--gold);
}

.page-faq .faq-mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-mark::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-answer {
  border-top: 1px solid var(--faq-line);
  padding: 14px 20px 18px 62px;
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--silver-dim);
  background: var(--faq-wash);
}

.page-faq .faq-answer p {
  margin: 0 0 9px;
}

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

.page-faq .faq-conclusion {
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--silver);
}

.page-faq .faq-answer a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 索引章节的图例侧栏 ---------- */
.page-faq .faq-cat-body--split {
  display: grid;
  gap: 22px;
}

.page-faq .faq-side-figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
  background: var(--glass);
}

.page-faq .faq-side-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-faq .faq-side-figure .faq-figure-cap {
  border-top: 0;
  background: transparent;
  padding: 10px 2px 0;
  text-align: center;
}

/* ---------- 求助区 ---------- */
.page-faq .faq-help {
  margin-top: 62px;
  padding: 52px 0 62px;
  border-top: 1px solid var(--gold-dim);
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 130% at 8% 0%, rgba(78, 107, 114, 0.24), transparent 60%),
    linear-gradient(180deg, var(--c-panel) 0%, var(--c-base) 100%);
}

.page-faq .faq-help-inner {
  max-width: 760px;
}

.page-faq .faq-help h2 {
  margin: 12px 0 14px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-faq .faq-help > .faq-help-inner > p {
  margin: 0 0 24px;
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver-dim);
}

.page-faq .faq-help-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-line);
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver-dim);
}

.page-faq .faq-help-list .mono {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 40px 0 54px;
  }

  .page-faq .faq-hero h1 {
    font-size: 34px;
  }

  .page-faq .faq-cat-title {
    font-size: 23px;
  }

  .page-faq .faq-help h2 {
    font-size: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 48px;
  }

  .page-faq .faq-hero h1 {
    font-size: 46px;
    line-height: 1.26;
  }

  .page-faq .faq-section {
    padding: 62px 0 10px;
  }

  .page-faq .faq-cat-title {
    font-size: 25px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-cat-body--split {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: start;
    gap: 32px;
  }
}

@media (max-width: 639px) {
  .page-faq .faq-hero h1 {
    font-size: 26px;
  }

  .page-faq .faq-answer {
    padding: 13px 15px 16px 16px;
  }

  .page-faq .faq-summary {
    gap: 10px;
    padding: 14px 14px;
    font-size: 15px;
  }

  .page-faq .faq-conclusion {
    padding-left: 9px;
  }
}

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