.page-faq {
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-faq .breadcrumb {
  padding-top: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2rem, 5vw, 3.25rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.25rem, 6.5vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 1.25rem 0 0;
  max-width: 58ch;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-hero__badge {
  display: grid;
  gap: 0.3rem;
  align-content: start;
  padding: 1.125rem 1.25rem 1.25rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  box-shadow: var(--lift);
}

.page-faq .faq-hero__badge-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-hero__badge-value {
  font-size: 2rem;
  line-height: 1;
  color: var(--crimson);
}

.page-faq .faq-hero__badge-note {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 232px);
    align-items: end;
    column-gap: clamp(2rem, 5vw, 4rem);
  }
  .page-faq .faq-hero__badge {
    margin-bottom: 0.25rem;
  }
}

/* ---------- 筛选工具条 ---------- */
.page-faq .faq-toolbar {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1.25rem, 3vw, 1.75rem) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-search {
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-search__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-faq .faq-search__field .search-field {
  flex: 1 1 220px;
  min-width: 0;
}

.page-faq .faq-toolbar__hint {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 左右分栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .faq-toc {
  border-top: 2px solid var(--ink);
  padding-top: 0.875rem;
}

.page-faq .faq-toc__title {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.125rem;
}

.page-faq .faq-toc__item + .faq-toc__item {
  border-top: 1px solid var(--line);
}

.page-faq .faq-toc__link {
  display: block;
  padding: 0.6rem 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--crimson);
  border-left-color: var(--crimson);
  background: rgba(158, 43, 37, 0.05);
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(180px, 216px) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 5.5rem;
  }
}

/* ---------- 章节 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 6rem;
}

.page-faq .faq-section .section-head {
  margin-bottom: 1rem;
}

.page-faq .faq-section .section-head h2 {
  margin: 0.35rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-section__intro {
  margin: 0 0 1.25rem;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1.0625rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 2.1vw, 1.1875rem);
  line-height: 1.55;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--crimson);
}

.page-faq .faq-item__num {
  flex: none;
  padding-top: 0.28em;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--jade);
}

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

.page-faq .faq-item__arrow {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 0.5em;
  margin-left: auto;
  border-right: 2px solid var(--crimson);
  border-bottom: 2px solid var(--crimson);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(-135deg);
  margin-top: 0.75em;
}

.page-faq .faq-item__answer {
  padding: 0 0 1.375rem 1.625rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-item__answer p {
  margin: 0 0 0.75rem;
}

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

@media (min-width: 700px) {
  .page-faq .faq-item__answer {
    padding-left: 2.5rem;
  }
}

/* ---------- 内联元素 ---------- */
.page-faq .faq-code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--indigo);
  background: rgba(43, 58, 103, 0.08);
  border: 1px solid rgba(43, 58, 103, 0.2);
  padding: 0.05em 0.35em;
}

.page-faq .faq-inline-link {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 58, 103, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0 0 0.875rem;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  display: block;
  width: 1.75rem;
  height: 1.75rem;
  line-height: 1.65rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--jade);
  border: 1px solid var(--jade);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 1.5rem 0 0;
}

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

/* ---------- 版本数据条 ---------- */
.page-faq .faq-version {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

.page-faq .faq-version__cell {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.125rem;
  background: var(--cream);
}

.page-faq .faq-version__label {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-version__value {
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--ink);
}

@media (min-width: 640px) {
  .page-faq .faq-version {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--ink);
  color: var(--cream);
}

.page-faq .faq-support .eyebrow {
  color: var(--gold);
}

.page-faq .faq-support .section-head {
  border-color: rgba(247, 244, 239, 0.25);
}

.page-faq .faq-support .section-head h2 {
  color: var(--cream);
}

.page-faq .faq-support__lead {
  margin: 0 0 1.5rem;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(247, 244, 239, 0.78);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: 1px;
  background: rgba(247, 244, 239, 0.2);
  border: 1px solid rgba(247, 244, 239, 0.2);
}

.page-faq .faq-support__card {
  padding: 1.125rem 1.25rem;
  background: var(--ink);
}

.page-faq .faq-support__label {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-support__value {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-support__note {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(247, 244, 239, 0.7);
}

@media (min-width: 760px) {
  .page-faq .faq-support__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-support__actions .btn--ghost {
  border-color: rgba(247, 244, 239, 0.45);
  color: var(--cream);
}

.page-faq .faq-support__actions .btn--ghost:hover,
.page-faq .faq-support__actions .btn--ghost:focus-visible {
  border-color: var(--jade);
  color: var(--jade);
}