.page-faq {
  --faq-measure: 36em;
  display: block;
  background-color: var(--c-warm);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 1.75rem 0 2.5rem;
  border-bottom: 1px solid var(--rule);
  background:
    var(--paper),
    linear-gradient(180deg, #FBF8F2 0%, var(--c-warm) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__lead h1 {
  margin: 0.7rem 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.75rem, 5.4vw, 2.75rem);
  line-height: 1.28;
  letter-spacing: 0.01em;
  max-width: 16em;
  color: var(--c-ink);
}

.page-faq .faq-hero__lead .lede {
  margin: 1.15rem 0 0;
  max-width: 32em;
  color: var(--text-sub);
}

.page-faq .faq-hero__quick {
  border-top: 2px solid var(--c-ink);
  padding-top: 0.9rem;
}

.page-faq .faq-hero__quick-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-stone);
}

.page-faq .faq-hero__quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-hero__quick-list a {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.5rem 0.65rem;
  border-left: 3px solid var(--c-cinnabar);
  background: rgba(237, 227, 211, 0.6);
  color: var(--c-ink);
  font-size: var(--fs-16);
  line-height: 1.6;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-hero__quick-list a:hover {
  background: rgba(47, 111, 98, 0.12);
  border-left-color: var(--c-turquoise);
}

.page-faq .faq-hero__quick-list .mono {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--c-cinnabar);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: end;
    gap: 3.5rem;
  }
}

/* ---------- 区块抬头 ---------- */
.page-faq .section-head__index {
  margin: 0 0 0.55rem;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-cinnabar);
}

.page-faq .section-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.8vw, 1.75rem);
  line-height: 1.38;
  color: var(--c-ink);
}

.page-faq .section-head__line {
  margin: 0.75rem 0 0;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-sub);
}

/* ---------- 分类标签索引 ---------- */
.page-faq .faq-tags {
  padding: 2.5rem 0 3rem;
  border-bottom: 1px solid var(--rule);
  background:
    var(--paper),
    linear-gradient(168deg, rgba(110, 128, 145, 0.2) 0%, rgba(247, 243, 236, 0.96) 62%, var(--c-warm) 100%);
}

.page-faq .faq-tags__head {
  display: grid;
  gap: 1.6rem;
}

.page-faq .faq-tags__intro .section-head__line {
  max-width: 30em;
}

.page-faq .faq-tags__figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--rule-strong);
  background: var(--c-warm);
}

.page-faq .faq-tags__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-cats {
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--rule-strong);
  background: var(--rule-strong);
}

.page-faq .faq-cat {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.05rem 1.1rem 1.2rem;
  background: var(--c-warm);
}

.page-faq .faq-cat__num {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-cinnabar);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--fs-20);
  line-height: 1.45;
  color: var(--c-ink);
}

.page-faq .faq-cat__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-faq .faq-cat__tags li {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.5rem;
  border: 1px solid var(--rule-strong);
  background: rgba(237, 227, 211, 0.5);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--text-sub);
}

@media (min-width: 640px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-tags__head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 3rem;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 问答 ---------- */
.page-faq .faq-ask {
  padding: 2.5rem 0 3rem;
  background: var(--c-warm);
}

.page-faq .faq-ask__tools {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.page-faq .faq-ask__search {
  display: grid;
  gap: 0.35rem;
}

.page-faq .faq-ask__search-label {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-stone);
}

.page-faq .faq-ask__search input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  background: #FFFCF6;
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: 1.5;
  appearance: none;
}

.page-faq .faq-ask__search input:focus-visible {
  outline: 2px solid var(--c-turquoise);
  outline-offset: 1px;
}

.page-faq .faq-fav {
  justify-self: start;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.page-faq .faq-chip {
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  background: transparent;
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-chip:hover {
  border-color: var(--c-turquoise);
  color: var(--c-turquoise);
}

.page-faq .faq-chip.is-active {
  border-color: var(--c-turquoise);
  background: var(--c-turquoise);
  color: var(--c-warm);
}

.page-faq .faq-list {
  margin-top: 1.9rem;
  border-top: 1px solid var(--rule);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-item__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.4rem 0.85rem;
  padding: 1.05rem 0;
  border: 0;
  background: transparent;
  color: var(--c-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-item__num {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-cinnabar);
}

.page-faq .faq-item__q {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--fs-16);
  line-height: 1.65;
}

.page-faq .faq-item__body {
  display: grid;
  gap: 1.1rem;
  padding: 0 0 1.5rem 0;
}

.page-faq .faq-item__main {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--c-ink);
}

.page-faq .faq-item__main p {
  margin: 0 0 0.75rem;
  max-width: var(--faq-measure);
}

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

.page-faq .faq-item__note {
  align-self: start;
  padding: 0.7rem 0.85rem;
  border-left: 3px solid var(--c-terracotta);
  background: var(--c-sand);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-sub);
}

.page-faq .faq-item__note .mono {
  display: block;
  margin-bottom: 0.15rem;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--c-cinnabar);
}

.page-faq .faq-empty {
  margin: 1.6rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px dashed var(--rule-strong);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-sub);
}

@media (min-width: 720px) {
  .page-faq .faq-ask__tools {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-item__head {
    gap: 0.5rem 1.1rem;
    padding: 1.2rem 0;
  }

  .page-faq .faq-item__q {
    font-size: var(--fs-20);
  }

  .page-faq .faq-item__body {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: 2.5rem;
    padding: 0 0 1.7rem 3.2rem;
  }
}

/* ---------- 批次检索 ---------- */
.page-faq .faq-batch {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background:
    var(--paper),
    linear-gradient(180deg, rgba(237, 227, 211, 0.92) 0%, rgba(247, 243, 236, 0.98) 100%);
}

.page-faq .faq-batch__grid {
  display: grid;
  gap: 1.9rem;
  margin-top: 1.7rem;
}

.page-faq .faq-steps {
  counter-reset: fstep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.95rem;
}

.page-faq .faq-steps li {
  counter-increment: fstep;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  font-size: var(--fs-16);
  line-height: 1.82;
  color: var(--c-ink);
}

.page-faq .faq-steps li::before {
  content: counter(fstep, decimal-leading-zero);
  padding-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-cinnabar);
}

.page-faq .faq-batch__tip {
  margin: 1.4rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--c-moss);
  background: rgba(107, 122, 79, 0.1);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-sub);
  max-width: 34em;
}

.page-faq .faq-batch__table {
  overflow-x: auto;
}

.page-faq .faq-batch__table table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-faq .faq-batch__table caption {
  caption-side: top;
  padding-bottom: 0.7rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--c-stone);
}

.page-faq .faq-batch__table th,
.page-faq .faq-batch__table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.page-faq .faq-batch__table thead th {
  border-bottom: 1px solid var(--rule-strong);
  background: rgba(237, 227, 211, 0.7);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-ink);
  white-space: nowrap;
}

.page-faq .faq-batch__table tbody tr:hover {
  background: rgba(237, 227, 211, 0.55);
}

@media (min-width: 960px) {
  .page-faq .faq-batch__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 3rem;
    align-items: start;
  }
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-compare {
  padding: 2.5rem 0 3rem;
  background: var(--c-warm);
}

.page-faq .faq-compare__layout {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-compare__note {
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-sub);
}

.page-faq .faq-compare__aside {
  align-self: start;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--c-terracotta);
  background: var(--c-sand);
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--text-sub);
}

.page-faq .faq-compare__aside .mono {
  display: block;
  margin: 0 0 0.4rem;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-cinnabar);
}

.page-faq .faq-diff {
  display: grid;
  margin-top: 2rem;
  border: 1px solid var(--rule-strong);
}

.page-faq .faq-diff__col {
  padding: 1.1rem 1.15rem 1.25rem;
  background: #FFFCF6;
}

.page-faq .faq-diff__col + .faq-diff__col {
  border-top: 1px solid var(--rule-strong);
}

.page-faq .faq-diff__ver {
  margin: 0 0 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-stone);
}

.page-faq .faq-diff__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-faq .faq-diff__list li {
  padding-left: 0.85rem;
  border-left: 3px solid transparent;
  color: var(--text-sub);
}

.page-faq .faq-diff__list li.is-changed {
  border-left-color: var(--c-cinnabar);
  color: var(--c-ink);
}

@media (min-width: 760px) {
  .page-faq .faq-diff {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-diff__col + .faq-diff__col {
    border-top: 0;
    border-left: 1px solid var(--rule-strong);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-compare__layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 3.25rem;
    align-items: start;
  }
}

/* ---------- 旧版本自查 ---------- */
.page-faq .faq-lookup {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--rule);
  background:
    var(--paper),
    linear-gradient(180deg, rgba(110, 128, 145, 0.18) 0%, rgba(247, 243, 236, 0.98) 78%);
}

.page-faq .faq-lookup__grid {
  display: grid;
  gap: 1.9rem;
}

.page-faq .faq-lookup__steps {
  margin: 1.3rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.75rem;
  max-width: var(--faq-measure);
  font-size: var(--fs-16);
  line-height: 1.82;
  color: var(--c-ink);
}

.page-faq .faq-lookup__steps li::marker {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--c-cinnabar);
}

.page-faq .faq-lookup__tip {
  margin: 1.4rem 0 0;
  max-width: var(--faq-measure);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-sub);
}

.page-faq .faq-lookup__figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--rule-strong);
  background: var(--c-warm);
}

.page-faq .faq-lookup__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-faq .faq-lookup__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    gap: 3.25rem;
    align-items: center;
  }
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  padding: 2.5rem 0 3.5rem;
  background: var(--c-ink);
  color: var(--c-warm);
}

.page-faq .faq-more .section-head__index {
  color: var(--c-terracotta);
}

.page-faq .faq-more h2 {
  margin: 0.55rem 0 1.5rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  line-height: 1.4;
  color: var(--c-warm);
}

.page-faq .faq-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--rule-dark);
  background: var(--rule-dark);
}

.page-faq .faq-more__list a {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  background: var(--c-ink);
  color: var(--c-warm);
  font-size: var(--fs-16);
  line-height: 1.65;
  text-decoration: none;
  transition: background-color 180ms ease;
}

.page-faq .faq-more__list a:hover {
  background: #273547;
}

.page-faq .faq-more__list .mono {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--c-cinnabar-lt);
}

@media (min-width: 720px) {
  .page-faq .faq-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__quick-list a,
  .page-faq .faq-chip,
  .page-faq .faq-more__list a {
    transition: none;
  }
}