.page-faq {
  --faq-radius: 16px;
  --faq-line: #DCE7F1;
  --faq-shadow: 0 1px 0 rgba(11, 37, 69, .05), 0 16px 34px -26px rgba(11, 37, 69, .5);
  display: block;
  background: var(--paper);
  color: var(--ink);
}

.page-faq .wrap {
  width: min(1180px, 100% - 32px);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  padding: 32px 0 8px;
}

.page-faq .crumbs {
  margin-bottom: 24px;
}

.page-faq .faq-intro__grid {
  display: grid;
  gap: 28px;
  border-top: 1px solid var(--line-soft);
  padding-top: 28px;
}

.page-faq .faq-intro__lead h1 {
  margin: 10px 0 16px;
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1.22;
}

.page-faq .faq-intro__lead .lead {
  max-width: 56ch;
  color: var(--ink);
}

.page-faq .faq-intro__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-intro__figure {
  margin: 0;
}

.page-faq .faq-intro__figure .figure__media {
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: linear-gradient(160deg, #F5F7FA 0%, #E9F0F7 55%, #DCEAF2 100%);
}

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

.page-faq .faq-intro__figure .figure__cap {
  margin-top: 8px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 32px 0 0;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-facts__item {
  background: var(--white);
  padding: 16px 14px;
}

.page-faq .faq-facts__item dt {
  color: var(--sea-500);
  font-size: 11px;
  margin-bottom: 6px;
}

.page-faq .faq-facts__item dd {
  margin: 0;
  font-size: 14px;
  color: var(--slate);
}

.page-faq .faq-facts__num {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--sea-900);
  font-weight: 700;
  margin-right: 2px;
}

/* ---------- 章节通用 ---------- */
.page-faq .section {
  padding: 48px 0 8px;
}

.page-faq .section__head {
  margin-bottom: 24px;
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}

.page-faq .section__head h2 {
  margin: 8px 0 10px;
  color: var(--sea-900);
}

.page-faq .section__head .t-body {
  max-width: 62ch;
  color: var(--slate);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-filter {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-line);
  margin-bottom: 20px;
}

.page-faq .faq-filter__label {
  font-size: 11px;
  color: var(--sea-500);
}

.page-faq .faq-filter__input {
  flex: 1 1 200px;
  min-width: 0;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  padding: 6px 2px;
  border-bottom: 1px dashed var(--line);
  outline: none;
}

.page-faq .faq-filter__input:focus {
  border-bottom-color: var(--gold);
}

.page-faq .faq-filter__input::placeholder {
  color: var(--slate);
  opacity: .8;
}

.page-faq .faq-filter__hint {
  font-size: 11px;
  color: var(--slate);
  white-space: nowrap;
}

.page-faq .faq-cats__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-cat {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "code count"
    "name name"
    "desc desc";
  gap: 4px 10px;
  padding: 16px;
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-line);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--faq-shadow);
  transition: border-color .22s var(--ease), transform .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .faq-cat[aria-pressed="true"],
.page-faq .faq-cat.is-active {
  border-color: var(--gold);
  background: linear-gradient(180deg, #FFFFFF 0%, #FBF6E6 100%);
}

.page-faq .faq-cat__code {
  grid-area: code;
  font-size: 11px;
  color: var(--sea-500);
}

.page-faq .faq-cat__count {
  grid-area: count;
  justify-self: end;
  font-size: 11px;
  color: var(--slate);
}

.page-faq .faq-cat__name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--sea-900);
}

.page-faq .faq-cat__desc {
  grid-area: desc;
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
}

/* ---------- 新手三步 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: var(--white);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-soft) 100%);
}

.page-faq .faq-step__no {
  display: inline-block;
  font-size: 11px;
  color: var(--sea-500);
  margin-bottom: 6px;
}

.page-faq .faq-step h3 {
  margin: 0 0 8px;
  color: var(--sea-900);
}

.page-faq .faq-step .t-body {
  margin: 0;
  color: var(--slate);
}

.page-faq .faq-flow__note {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--faq-radius);
  background: linear-gradient(120deg, rgba(30, 92, 143, .08) 0%, rgba(95, 199, 169, .10) 100%);
  border: 1px solid var(--faq-line);
  color: var(--ink);
  max-width: 78ch;
}

.page-faq .faq-flow__note a {
  color: var(--sea-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 高频问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .faq-list .acc__item {
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  background: var(--white);
  overflow: hidden;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-list .acc__item:hover {
  border-color: var(--line);
}

.page-faq .faq-list .acc__item.is-open {
  border-color: var(--gold);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-list .acc__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: none;
  background: transparent;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
}

.page-faq .faq-list .acc__code {
  flex: 0 0 auto;
  font-size: 11px;
  color: var(--gold);
  padding-top: 3px;
}

.page-faq .faq-list .acc__label {
  flex: 1 1 auto;
  font-weight: 500;
}

.page-faq .faq-list .acc__icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  position: relative;
  margin-top: 3px;
}

.page-faq .faq-list .acc__icon::before,
.page-faq .faq-list .acc__icon::after {
  content: "";
  position: absolute;
  background: var(--sea-500);
  border-radius: 2px;
  transition: transform .26s var(--ease), opacity .26s var(--ease);
}

.page-faq .faq-list .acc__icon::before {
  left: 0; right: 0; top: 8px; height: 2px;
}

.page-faq .faq-list .acc__icon::after {
  top: 0; bottom: 0; left: 8px; width: 2px;
}

.page-faq .faq-list .acc__trigger[aria-expanded="true"] .acc__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-list .acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .26s var(--ease);
}

.page-faq .faq-list .acc__panel.is-open {
  grid-template-rows: 1fr;
}

.page-faq .faq-list .acc__body {
  overflow: hidden;
  min-height: 0;
}

.page-faq .faq-list .acc__inner {
  padding: 0 16px 16px 40px;
  border-left: 2px solid var(--line);
  margin-left: 16px;
}

.page-faq .faq-list .acc__inner .t-body {
  margin: 0;
  color: var(--slate);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-version__layout {
  display: grid;
  gap: 24px;
}

.page-faq .faq-version .pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-version .pair__card {
  background: var(--white);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-version .pair__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: linear-gradient(120deg, var(--sea-900) 0%, var(--sea-700) 100%);
}

.page-faq .faq-version .pair__name {
  color: var(--on-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
}

.page-faq .faq-version .pair__rows {
  padding: 6px 0;
}

.page-faq .faq-version .pair__row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-version .pair__row:last-child {
  border-bottom: none;
}

.page-faq .faq-vdot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-faq .faq-vdot--same {
  background: var(--mint);
}

.page-faq .faq-vdot--diff {
  background: var(--amber);
}

.page-faq .faq-version__figure {
  margin: 0;
}

.page-faq .faq-version__figure .figure__media {
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: linear-gradient(150deg, #EAF1F8 0%, #F5F7FA 100%);
}

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

.page-faq .faq-version__figure .figure__cap {
  margin-top: 8px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-version__note {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--faq-radius);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-version__note h3 {
  margin: 0 0 12px;
  color: var(--sea-900);
}

.page-faq .faq-version__note .t-body {
  margin: 0 0 12px;
  color: var(--ink);
  max-width: 74ch;
}

.page-faq .faq-version__note .t-body:last-child {
  margin-bottom: 0;
}

.page-faq .faq-version__note a {
  color: var(--sea-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 自查 ---------- */
.page-faq .faq-check {
  display: grid;
  gap: 14px;
}

.page-faq .faq-check__card {
  position: relative;
  padding: 20px 18px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background: var(--white);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-check__no {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 22px;
  color: var(--line);
  font-weight: 700;
  letter-spacing: .04em;
}

.page-faq .faq-check__card .card__title {
  margin: 0 0 10px;
  padding-right: 40px;
  color: var(--sea-900);
  font-size: 18px;
  font-family: var(--font-display);
  font-weight: 600;
}

.page-faq .faq-check__card .t-body {
  margin: 0 0 14px;
  color: var(--slate);
  font-size: 15px;
}

.page-faq .faq-check__dots {
  gap: 6px;
}

.page-faq .faq-check__dots .dot {
  width: 10px;
  height: 10px;
}

.page-faq .faq-selfcheck__tail {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}

.page-faq .faq-selfcheck__tail .t-body {
  margin: 0;
  color: var(--slate);
  max-width: 74ch;
}

.page-faq .faq-selfcheck__tail a {
  color: var(--sea-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 人工帮助 ---------- */
.page-faq .faq-manual {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--sea-900) 0%, var(--sea-700) 62%, #16456F 100%);
  color: var(--on-dark);
}

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

.page-faq .faq-manual h2 {
  margin: 8px 0 14px;
  color: var(--white);
}

.page-faq .faq-manual .t-body {
  color: rgba(232, 237, 243, .88);
  max-width: 60ch;
  margin: 0 0 12px;
}

.page-faq .faq-manual__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-manual__list {
  list-style: none;
  margin: 0;
  padding: 16px;
  display: grid;
  gap: 10px;
  border-radius: var(--faq-radius);
  border: 1px solid rgba(232, 237, 243, .22);
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(6px);
}

.page-faq .faq-manual__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--on-dark);
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(232, 237, 243, .18);
}

.page-faq .faq-manual__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-faq .faq-manual__list .mono {
  color: var(--gold-soft);
  font-size: 11px;
}

/* ---------- 状态辅助 ---------- */
.page-faq .faq-cat[hidden],
.page-faq .faq-list .acc__item[hidden] {
  display: none;
}

.page-faq mark {
  background: linear-gradient(180deg, transparent 55%, rgba(232, 197, 90, .55) 55%);
  color: inherit;
  padding: 0 1px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-faq .faq-version .pair {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-faq .wrap {
    width: min(1180px, 100% - 64px);
  }

  .page-faq .faq-intro {
    padding-top: 48px;
  }

  .page-faq .faq-intro__grid {
    grid-template-columns: 7fr 4fr;
    gap: 40px;
  }

  .page-faq .faq-intro__lead {
    padding-right: 8px;
  }

  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-filter {
    padding: 14px 18px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-radius: var(--faq-radius);
    overflow: hidden;
    border: 1px solid var(--faq-line);
    background: var(--white);
    box-shadow: var(--faq-shadow);
  }

  .page-faq .faq-step {
    border: none;
    border-right: 1px solid var(--faq-line);
    border-radius: 0;
    box-shadow: none;
    padding: 24px 22px 26px;
  }

  .page-faq .faq-step:last-child {
    border-right: none;
  }

  .page-faq .faq-step::before {
    top: 0;
    bottom: auto;
    left: 22px;
    right: 22px;
    width: auto;
    height: 3px;
  }

  .page-faq .faq-version__layout {
    grid-template-columns: 7fr 4fr;
    gap: 32px;
    align-items: start;
  }

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

  .page-faq .faq-manual {
    grid-template-columns: 7fr 4fr;
    gap: 40px;
    align-items: center;
    padding: 40px 36px;
  }

  .page-faq .section {
    padding-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-list .acc__panel,
  .page-faq .faq-list .acc__icon::before,
  .page-faq .faq-list .acc__icon::after {
    transition: none;
  }

  .page-faq .faq-cat:hover {
    transform: none;
  }
}