.page-faq {
  --faq-index-w: 224px;
  --faq-offset: 96px;
  background: var(--paper);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(110% 88% at 100% 0%, var(--lake-soft) 0%, rgba(228, 240, 242, 0) 62%),
    linear-gradient(180deg, var(--paper-hi), var(--paper));
  border-bottom: 1px solid var(--rock-line);
}

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

.page-faq .faq-hero-tags {
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-title {
  font-family: var(--font-head);
  font-size: var(--fs-d2);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0 0 16px;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  color: var(--rock);
  margin-bottom: 22px;
}

.page-faq .faq-hero-actions {
  gap: 10px;
}

.page-faq .faq-hero-figure {
  margin: 0;
}

.page-faq .figure-img {
  overflow: hidden;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--lake-soft), var(--amber));
  border: 1px solid var(--rock-line);
}

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

.page-faq .figure-cap {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--rock);
  margin-top: 10px;
}

/* ---------- 检索写法 ---------- */
.page-faq .faq-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .field-card {
  position: relative;
  border: 1px solid var(--rock-line);
  border-radius: var(--r-lg);
  background: var(--paper-hi);
  padding: 22px 18px 20px;
  overflow: hidden;
}

.page-faq .field-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lake), var(--amber));
}

.page-faq .field-key {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--lake);
  margin: 0 0 8px;
}

.page-faq .field-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-faq .field-desc {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--rock);
  margin: 0;
}

.page-faq .query-board {
  margin-top: 22px;
  padding: 20px 18px;
  border-radius: var(--r-lg);
  background: var(--lake-soft);
  border: 1px solid rgba(15, 95, 115, .16);
}

.page-faq .query-board-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--lake-deep);
  margin: 0 0 6px;
}

.page-faq .query-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .query-row {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(74, 85, 96, .22);
}

.page-faq .query-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .query-key {
  font-family: var(--font-head);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .query-code {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--lake-deep);
  background: var(--paper-hi);
  border: 1px solid rgba(15, 95, 115, .2);
  border-radius: var(--r-sm);
  padding: 4px 9px;
  white-space: nowrap;
}

.page-faq .query-note {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 关系图 ---------- */
.page-faq .faq-diagram {
  margin: 0 auto;
  max-width: 720px;
}

.page-faq .faq-diagram-img {
  aspect-ratio: 3 / 2;
}

/* ---------- 索引 + 问答主体 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-index {
  border: 1px solid var(--rock-line);
  border-radius: var(--r-lg);
  background: var(--paper-hi);
  padding: 16px;
}

.page-faq .faq-index-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--rock);
  margin: 0 0 12px;
}

.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-link {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--rock-line);
  background: var(--paper);
  color: var(--rock);
  font-family: var(--font-head);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lake);
}

.page-faq .faq-index-link:hover {
  background: var(--lake-soft);
  border-color: var(--lake);
  color: var(--lake-deep);
}

.page-faq .faq-index-link:hover .faq-index-idx {
  color: var(--orange);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: var(--faq-offset);
}

.page-faq .faq-group + .faq-group {
  margin-top: 52px;
}

.page-faq .group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rock-line);
  margin-bottom: 16px;
}

.page-faq .group-badge {
  flex: none;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  background: var(--lake-soft);
  color: var(--lake-deep);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .group-head-text {
  min-width: 0;
}

.page-faq .group-title {
  font-family: var(--font-head);
  font-size: var(--fs-d4);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.008em;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-faq .group-sub {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--rock);
  margin: 0;
}

/* ---------- 折叠问答 ---------- */
.page-faq .panel {
  border: 1px solid var(--rock-line);
  border-radius: var(--r-lg);
  background: var(--paper-hi);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .panel + .panel {
  margin-top: 10px;
}

.page-faq .panel:hover {
  border-color: rgba(15, 95, 115, .42);
}

.page-faq .panel-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: background var(--dur) var(--ease);
}

.page-faq .panel-head:hover {
  background: var(--lake-tint);
}

.page-faq .panel-head[aria-expanded="true"] {
  background: var(--lake-soft);
  box-shadow: inset 0 -1px 0 rgba(15, 95, 115, .18);
}

.page-faq .panel-idx {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--lake-deep);
  background: var(--paper-hi);
  border: 1px solid rgba(15, 95, 115, .22);
  border-radius: var(--r-sm);
  padding: 3px 7px;
  white-space: nowrap;
}

.page-faq .panel-q {
  min-width: 0;
}

.page-faq .panel-sign {
  position: relative;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: var(--r-pill);
  border: 1px solid var(--rock-line);
  background: var(--paper);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .panel-sign::before,
.page-faq .panel-sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.6px;
  border-radius: 2px;
  background: var(--lake);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .panel-sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .panel-head[aria-expanded="true"] .panel-sign {
  border-color: var(--orange);
  background: var(--paper-hi);
}

.page-faq .panel-head[aria-expanded="true"] .panel-sign::before,
.page-faq .panel-head[aria-expanded="true"] .panel-sign::after {
  background: var(--orange);
}

.page-faq .panel-head[aria-expanded="true"] .panel-sign::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .panel-body {
  padding: 14px 16px 18px;
  background: var(--paper-hi);
}

.page-faq .panel-head[aria-expanded="false"] + .panel-body {
  display: none;
}

.page-faq .panel-body p {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--rock);
  margin: 0;
  max-width: 46em;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta-frame {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, var(--lake-deep), var(--lake) 78%);
  color: var(--paper);
}

.page-faq .faq-cta-title {
  font-family: var(--font-head);
  font-size: var(--fs-d3);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper-hi);
  margin: 0 0 12px;
}

.page-faq .faq-cta-text {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(248, 245, 239, .84);
  margin: 0;
  max-width: 42em;
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
}

.page-faq .cta-link {
  font-family: var(--font-head);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--paper-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(248, 245, 239, .45);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .cta-link:hover {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .query-row {
    grid-template-columns: 96px 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 16px;
    padding: 11px 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 56px;
  }

  .page-faq .faq-cta-frame {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-offset);
    padding: 20px 16px;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-link {
    display: flex;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    border-left: 3px solid transparent;
    border-radius: 12px;
    background: transparent;
    font-size: var(--fs-sm);
    white-space: normal;
  }

  .page-faq .faq-index-link:hover {
    background: var(--lake-soft);
    border-left-color: var(--orange);
  }

  .page-faq .panel-body {
    padding-left: 74px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-fields {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .panel-sign::before,
  .page-faq .panel-sign::after,
  .page-faq .panel,
  .page-faq .panel-head,
  .page-faq .faq-index-link,
  .page-faq .cta-link {
    transition: none;
  }
}
</final>