.page-faq {
  --faq-edge: 2px;
  --faq-shadow-soft: 3px 3px 0 var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 46px;
  background:
    linear-gradient(126deg, var(--sky) 0 30%, transparent 30.6%),
    linear-gradient(-60deg, var(--butter) 0 14%, transparent 14.6%),
    var(--card);
  border-bottom: var(--edge) solid var(--ink);
  overflow: hidden;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  font-size: 0.82rem;
  color: var(--stone);
}

.page-faq .breadcrumb li + li::before {
  content: "›";
  margin-right: 6px;
  color: var(--stone);
}

.page-faq .breadcrumb a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

.page-faq .eyebrow {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--red);
  font-weight: 500;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 18px;
  max-width: 900px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.6vw, 3.15rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--indigo);
}

.page-faq .faq-lede {
  max-width: 62ch;
  margin: 0;
  padding-left: 16px;
  border-left: 4px solid var(--red);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 五条快答 ---------- */
.page-faq .faq-quick {
  padding: 44px 0 12px;
}

.page-faq .section-head {
  margin: 0 0 20px;
}

.page-faq .section-head h2 {
  margin: 4px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  line-height: 1.32;
  color: var(--indigo);
}

.page-faq .section-head .note {
  max-width: 60ch;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-quick-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 16px 16px 18px;
  background: var(--card);
  border: var(--faq-edge) solid var(--ink);
  box-shadow: var(--shadow-mid);
  color: var(--ink);
  text-decoration: none;
  transition: box-shadow 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-quick-item:hover,
.page-faq .faq-quick-item:focus-visible {
  box-shadow: var(--faq-shadow-soft);
  border-color: var(--gold);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-num {
  font-family: var(--font-num);
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--red);
}

.page-faq .faq-quick-q {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--indigo);
}

.page-faq .faq-quick-a {
  margin-top: auto;
  font-size: 0.86rem;
  line-height: 1.62;
  color: var(--stone);
}

/* ---------- 叠纸图 ---------- */
.page-faq .faq-stack-figure {
  margin: 30px 0 6px;
}

.page-faq .faq-stack-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(150deg, var(--sky), var(--butter));
}

.page-faq .figure-cap {
  margin-top: 12px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: 46px 0 8px;
}

.page-faq .faq-block--version,
.page-faq .faq-block--filter {
  margin-top: 34px;
  padding: 40px 0 34px;
  background: linear-gradient(180deg, rgba(187, 215, 230, 0.42), rgba(247, 241, 230, 0));
  border-top: var(--edge) solid var(--ink);
  border-bottom: var(--edge) solid var(--ink);
}

.page-faq .faq-lead,
.page-faq .faq-after {
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-after {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--butter);
  border: var(--faq-edge) solid var(--ink);
  box-shadow: var(--shadow-indigo);
  font-size: 0.92rem;
}

/* ---------- 折叠问答 ---------- */
.page-faq .accordion {
  border: 0;
}

.page-faq .accordion-item {
  margin-bottom: 14px;
  background: var(--card);
  border: var(--faq-edge) solid var(--ink);
  box-shadow: var(--shadow-indigo);
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-faq .accordion-item[data-open] {
  border-color: var(--indigo);
  box-shadow: 6px 6px 0 var(--gold);
}

.page-faq .accordion-item h3 {
  margin: 0;
  font-size: 1rem;
}

.page-faq .accordion-trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px 14px;
  width: 100%;
  margin: 0;
  padding: 16px 18px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .accordion-trigger:hover .faq-qtext,
.page-faq .accordion-trigger:focus-visible .faq-qtext {
  color: var(--red);
}

.page-faq .accordion-trigger:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -4px;
}

.page-faq .faq-qnum {
  font-family: var(--font-num);
  font-size: 1.3rem;
  line-height: 1.25;
  color: var(--red);
  min-width: 2ch;
}

.page-faq .faq-qtext {
  transition: color 0.2s ease;
}

.page-faq .faq-arrow {
  width: 11px;
  height: 11px;
  margin-top: 8px;
  border-right: 3px solid var(--indigo);
  border-bottom: 3px solid var(--indigo);
  transform: rotate(45deg);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-faq .accordion-item[data-open] .faq-arrow {
  transform: rotate(-135deg);
  border-color: var(--red);
}

.page-faq .accordion-panel {
  display: none;
  margin: 0 18px;
  padding: 14px 0 18px;
  border-top: 1px dashed var(--stone);
}

.page-faq .accordion-item[data-open] .accordion-panel {
  display: block;
}

.page-faq .accordion-panel p {
  margin: 0 0 10px;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--ink);
}

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

.page-faq .accordion-panel ol,
.page-faq .accordion-panel ul {
  margin: 8px 0 10px;
  padding-left: 1.3em;
  font-size: 0.94rem;
  line-height: 1.78;
}

/* ---------- 版本说明非对称双栏 ---------- */
.page-faq .faq-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-version-grid .prose p {
  margin: 0 0 14px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-version-card {
  padding: 20px 20px 18px;
  background: var(--card);
  border: var(--faq-edge) solid var(--indigo);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-card-kicker {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--indigo);
}

.page-faq .faq-version-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-version-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .faq-bullet {
  display: block;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--gold);
  border: 1.5px solid var(--ink);
}

.page-faq .faq-version-card .note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--stone);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 导出自查清单 ---------- */
.page-faq .faq-check {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-check > li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--card);
  border: var(--faq-edge) solid var(--ink);
  box-shadow: var(--shadow-indigo);
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-faq .faq-check > li:hover {
  border-color: var(--gold);
  box-shadow: var(--faq-shadow-soft);
}

.page-faq .faq-check-num {
  font-family: var(--font-num);
  font-size: 1.65rem;
  line-height: 1;
  color: var(--indigo);
}

.page-faq .faq-check h3 {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--indigo);
}

.page-faq .faq-check p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 筛选条件 ---------- */
.page-faq .faq-chip-row {
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .filter-chip {
  padding: 8px 16px;
  background: var(--card);
  border: var(--faq-edge) solid var(--indigo);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--indigo);
  box-shadow: 2px 2px 0 var(--indigo);
}

/* ---------- 反馈区 ---------- */
.page-faq .faq-feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

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

.page-faq .faq-note-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(160deg, var(--butter), var(--sky));
}

/* ---------- 结尾面板 ---------- */
.page-faq .faq-more {
  padding: 48px 0 56px;
}

.page-faq .faq-more-panel {
  display: grid;
  gap: 24px;
  padding: 26px 22px;
  background: linear-gradient(142deg, var(--indigo) 0 58%, var(--red-deep) 58%);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-more-panel .eyebrow {
  color: var(--butter);
}

.page-faq .faq-more-panel h2 {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-faq .faq-more-panel p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.86);
}

.page-faq .faq-more-actions {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-more-note {
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(247, 241, 230, 0.78);
}

.page-faq .faq-more-note a {
  color: var(--butter);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-more-note a:hover {
  color: var(--paper);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 32px 0 60px;
    background:
      linear-gradient(126deg, var(--sky) 0 36%, transparent 36.4%),
      linear-gradient(-60deg, var(--butter) 0 18%, transparent 18.4%),
      var(--card);
  }

  .page-faq .faq-quick-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-more-panel {
    padding: 32px 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-quick {
    padding: 54px 0 16px;
  }

  .page-faq .faq-quick-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-quick-list > li:nth-child(even) {
    margin-top: 20px;
  }

  .page-faq .faq-version-grid,
  .page-faq .faq-feedback-grid {
    grid-template-columns: 7fr 5fr;
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-more-panel {
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
    padding: 40px 38px;
  }

  .page-faq .faq-check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick-item,
  .page-faq .accordion-item,
  .page-faq .faq-check > li,
  .page-faq .faq-arrow {
    transition: none;
  }

  .page-faq .faq-quick-item:hover,
  .page-faq .faq-quick-item:focus-visible {
    transform: none;
  }
}