.page-faq {
  background: var(--cs-ivory);
  color: var(--cs-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 46px;
  color: var(--cs-ivory);
  border-bottom: 3px solid var(--cs-gold);
  background:
    radial-gradient(circle at 84% 14%, rgba(200, 16, 46, 0.55), transparent 58%),
    radial-gradient(circle at 6% 92%, rgba(46, 196, 182, 0.18), transparent 55%),
    linear-gradient(140deg, var(--cs-purple-deep) 0%, var(--cs-purple) 42%, var(--cs-green) 100%);
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(212, 175, 55, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(212, 175, 55, 0.1) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: linear-gradient(165deg, #000 0%, transparent 76%);
  mask-image: linear-gradient(165deg, #000 0%, transparent 76%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-dark-soft);
}

.page-faq .breadcrumb a {
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cs-jade);
  border-bottom-color: var(--cs-jade);
}

.page-faq .faq-hero .eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--cs-gold-soft);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--cs-ivory);
  text-shadow: 0 0 26px rgba(200, 16, 46, 0.6), 0 2px 0 rgba(0, 0, 0, 0.35);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--on-dark);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-hero__facts li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 13px;
  border-left: 2px solid var(--cs-gold);
  background: rgba(247, 243, 232, 0.06);
}

.page-faq .faq-hero__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cs-gold-soft);
}

.page-faq .faq-hero__fact {
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-faq .faq-hero__fact strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--cs-ivory);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-gold);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

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

.page-faq .faq-hero__figure .figure__caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--on-dark-soft);
  background: rgba(0, 0, 0, 0.32);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  position: relative;
  padding: 34px 0 52px;
  background:
    linear-gradient(to right, rgba(11, 61, 46, 0.05) 1px, transparent 1px) 0 0 / 74px 100%,
    var(--cs-ivory);
}

.page-faq .faq-body__inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-side {
  padding: 16px 14px;
  border: 1px solid var(--line);
  background: #fffdf7;
}

.page-faq .faq-side__label {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-gold);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cs-mist);
}

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

.page-faq .index-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 10px;
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--cs-ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-faq .index-link:hover,
.page-faq .index-link:focus-visible {
  background: rgba(46, 196, 182, 0.13);
  border-left-color: var(--cs-jade);
  color: var(--cs-green);
}

.page-faq .index-link[data-active="true"] {
  background: rgba(200, 16, 46, 0.08);
  border-left-color: var(--cs-red);
  color: var(--cs-dark-red);
  font-weight: 700;
}

.page-faq .faq-side__count {
  font-size: 11px;
  color: var(--cs-mist);
}

/* ---------- 筛选条 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cs-red);
  background: linear-gradient(90deg, rgba(200, 16, 46, 0.06), rgba(212, 175, 55, 0.07));
}

.page-faq .filter-bar__label {
  margin-right: 2px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cs-mist);
}

.page-faq .filter-chip {
  padding: 6px 12px;
  font-family: var(--font-head);
  font-size: 13px;
  line-height: 1.5;
  color: var(--cs-ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.page-faq .filter-chip:hover,
.page-faq .filter-chip:focus-visible {
  border-color: var(--cs-jade);
  color: var(--cs-green);
}

.page-faq .filter-chip[aria-pressed="true"] {
  background: var(--cs-green);
  border-color: var(--cs-green);
  color: var(--cs-ivory);
}

/* ---------- 问答分区 ---------- */
.page-faq .faq-section {
  margin-bottom: 34px;
  scroll-margin-top: 96px;
}

.page-faq .faq-section .section-head {
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cs-ink);
}

.page-faq .faq-section .section-head__meta {
  color: var(--cs-mist);
}

.page-faq .faq-item {
  margin-top: 10px;
  border: 1px solid var(--line);
  background: #fffefb;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--cs-gold);
  box-shadow: 0 8px 20px rgba(42, 10, 58, 0.08);
}

.page-faq .fold__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 15px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--cs-ink);
}

.page-faq .fold__index {
  flex: none;
  padding: 2px 6px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cs-mist);
  border: 1px solid var(--line);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .fold__mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-left: auto;
  color: var(--cs-dark-red);
  border: 1px solid var(--cs-gold);
  background: rgba(212, 175, 55, 0.12);
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-faq .fold__mark::before,
.page-faq .fold__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.page-faq .fold__mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .fold__mark::after {
  width: 1.5px;
  height: 9px;
  transition: transform 0.2s ease;
}

.page-faq .fold__trigger[aria-expanded="true"] .fold__mark {
  color: var(--cs-ivory);
  background: var(--cs-jade);
  border-color: var(--cs-jade);
}

.page-faq .fold__trigger[aria-expanded="true"] .fold__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .fold__panel {
  margin: 0 15px;
  padding: 14px 0 18px;
  border-top: 1px dashed var(--line-strong);
  font-size: 15px;
  line-height: 1.9;
  color: #2b2b2b;
}

.page-faq .fold__panel p {
  margin: 0 0 10px;
}

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

.page-faq .faq-steps {
  list-style: none;
  counter-reset: step;
  margin: 10px 0 12px;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: step;
  margin-bottom: 9px;
  padding-left: 34px;
}

.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.3;
  color: var(--cs-red);
  border: 1px solid rgba(200, 16, 46, 0.34);
}

.page-faq .faq-link {
  color: var(--cs-dark-red);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.4);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--cs-jade);
  border-bottom-color: var(--cs-jade);
}

/* ---------- 站内索引 ---------- */
.page-faq .faq-index {
  position: relative;
  overflow: hidden;
  padding: 40px 0 46px;
  color: var(--cs-ivory);
  scroll-margin-top: 92px;
  background:
    radial-gradient(circle at 88% 4%, rgba(212, 175, 55, 0.24), transparent 56%),
    radial-gradient(circle at 4% 96%, rgba(200, 16, 46, 0.35), transparent 52%),
    linear-gradient(162deg, var(--cs-green) 0%, var(--cs-purple-deep) 100%);
}

.page-faq .faq-index__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(212, 175, 55, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(212, 175, 55, 0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(200deg, #000 0%, transparent 72%);
  mask-image: linear-gradient(200deg, #000 0%, transparent 72%);
}

.page-faq .faq-index__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-faq .faq-index .eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--cs-gold-soft);
}

.page-faq .faq-index__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.3;
  color: var(--cs-ivory);
}

.page-faq .faq-index__lede {
  margin: 12px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark);
}

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

.page-faq .faq-index__card a {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  color: inherit;
  text-decoration: none;
  border: 1px solid rgba(212, 175, 55, 0.36);
  background: rgba(247, 243, 232, 0.05);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-index__card a:hover,
.page-faq .faq-index__card a:focus-visible {
  background: rgba(46, 196, 182, 0.15);
  border-color: var(--cs-jade);
  transform: translateX(3px);
}

.page-faq .faq-index__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cs-gold-soft);
}

.page-faq .faq-index__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--cs-ivory);
}

.page-faq .faq-index__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

.page-faq .faq-index__figure {
  margin: 0;
  border: 1px solid var(--line-gold);
}

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

.page-faq .faq-index__figure .figure__caption {
  padding: 9px 13px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--on-dark-soft);
  background: rgba(0, 0, 0, 0.28);
}

/* ---------- 页尾更新时间条 ---------- */
.page-faq .faq-footnote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 20px 0 34px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-footnote__update {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cs-mist);
}

.page-faq .faq-footnote__link {
  font-family: var(--font-head);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cs-dark-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.4);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-footnote__link:hover,
.page-faq .faq-footnote__link:focus-visible {
  color: var(--cs-jade);
  border-bottom-color: var(--cs-jade);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hero__facts li {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 58px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-hero__title {
    font-size: 46px;
  }

  .page-faq .faq-hero__figure {
    transform: translateY(6px);
  }

  .page-faq .faq-index__inner {
    grid-template-columns: minmax(0, 1fr) 340px;
    grid-template-areas:
      "head figure"
      "list figure";
    gap: 24px 40px;
    align-items: start;
  }

  .page-faq .faq-index__head {
    grid-area: head;
  }

  .page-faq .faq-index__list {
    grid-area: list;
  }

  .page-faq .faq-index__figure {
    grid-area: figure;
  }

  .page-faq .faq-index__title {
    font-size: 30px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    padding: 44px 0 64px;
  }

  .page-faq .faq-body__inner {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .fold__trigger {
    padding: 15px 20px;
  }

  .page-faq .fold__panel {
    margin: 0 20px;
    padding: 16px 0 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .index-link,
  .page-faq .filter-chip,
  .page-faq .faq-item,
  .page-faq .fold__mark,
  .page-faq .fold__mark::after,
  .page-faq .faq-index__card a,
  .page-faq .faq-link,
  .page-faq .faq-footnote__link {
    transition: none;
  }

  .page-faq .faq-index__card a:hover,
  .page-faq .faq-index__card a:focus-visible {
    transform: none;
  }
}