.page-faq {
  background: var(--wl-paper);
  color: var(--wl-ink);
  font-family: var(--wl-sans);
}

.page-faq a {
  color: var(--wl-cyan-deep);
}

.page-faq .wl-breadcrumb {
  padding-top: 22px;
}

/* ---------- 封面 ---------- */
.page-faq .faq-cover {
  padding-top: 30px;
  padding-bottom: 8px;
}

.page-faq .faq-cover__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--wl-cyan-deep);
  text-transform: uppercase;
}

.page-faq .faq-cover__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 16em;
  color: var(--wl-ink);
}

.page-faq .faq-cover__title::after {
  content: "";
  display: block;
  width: 68px;
  height: 5px;
  margin-top: 20px;
  background: var(--wl-cyan);
}

.page-faq .faq-cover__lede {
  margin: 22px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

/* ---------- 帮助中心三栏示意 ---------- */
.page-faq .faq-hub {
  margin-top: 44px;
  display: grid;
  gap: 1px;
  background: var(--wl-rule);
  border: 1px solid var(--wl-rule);
}

.page-faq .faq-hub__card {
  position: relative;
  background: var(--wl-paper);
  padding: 26px 24px 30px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: background .24s ease;
}

.page-faq .faq-hub__card--key {
  background: var(--wl-indigo);
  color: var(--wl-paper);
}

.page-faq .faq-hub__card--key .faq-hub__num {
  color: var(--wl-cyan);
}

.page-faq .faq-hub__card--key .faq-hub__text {
  color: rgba(251, 250, 247, .74);
}

.page-faq .faq-hub__num {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wl-cyan-deep);
}

.page-faq .faq-hub__title {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-faq .faq-hub__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--wl-ink-soft);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-body {
  padding-top: 34px;
  padding-bottom: 96px;
}

.page-faq .faq-side {
  margin-bottom: 28px;
}

.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--wl-ink-soft);
}

.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-toc__link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--wl-ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  background: rgba(232, 236, 244, .55);
  transition: color .22s ease, background .22s ease, border-color .22s ease;
}

.page-faq .faq-toc__link.is-active {
  color: var(--wl-indigo);
  background: var(--wl-cyan-soft);
  border-left-color: var(--wl-cyan);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--wl-rule);
}

.page-faq .faq-filter .wl-chip {
  border: 1px solid var(--wl-rule);
  background: var(--wl-paper);
  color: var(--wl-ink-soft);
  font-family: inherit;
  font-size: 13px;
  padding: 7px 14px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .faq-filter .wl-chip.is-active {
  color: var(--wl-cyan-deep);
  border-color: var(--wl-cyan);
  background: var(--wl-cyan-soft);
}

/* ---------- 章节 ---------- */
.page-faq .faq-flow {
  display: block;
}

.page-faq .faq-sec {
  padding: 46px 0 8px;
  border-bottom: 1px solid var(--wl-rule);
}

.page-faq .faq-sec[hidden] {
  display: none;
}

.page-faq .faq-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .faq-sec__num {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--wl-cyan-deep);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.015em;
}

.page-faq .faq-sec__intro {
  margin: 0 0 8px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

.page-faq .faq-sec__aside {
  margin: 24px 0 0;
  font-size: 14px;
  color: var(--wl-ink-soft);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
}

.page-faq .faq-figure--portrait {
  max-width: 340px;
}

.page-faq .faq-figure .wl-figure__frame {
  background: var(--wl-indigo-soft);
  border: 1px solid var(--wl-rule);
  overflow: hidden;
}

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

.page-faq .faq-figure__caption,
.page-faq .faq-figure .wl-figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--wl-ink-soft);
}

/* ---------- 可勾选清单 ---------- */
.page-faq .faq-checklist {
  margin-top: 34px;
  display: grid;
  gap: 20px;
}

.page-faq .faq-checklist__group {
  background: #fff;
  border: 1px solid var(--wl-rule);
}

.page-faq .faq-checklist__label {
  margin: 0;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--wl-indigo);
  background: var(--wl-indigo-soft);
  border-bottom: 1px solid var(--wl-rule);
}

.page-faq .faq-checklist__label .wl-mono {
  font-size: 12px;
  color: var(--wl-cyan-deep);
}

.page-faq .faq-check {
  position: relative;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  padding: 13px 16px;
  border-bottom: 1px solid var(--wl-rule);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.7;
  transition: background .2s ease;
}

.page-faq .faq-check:last-child {
  border-bottom: 0;
}

.page-faq .faq-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-check__box {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--wl-rule);
  background: var(--wl-paper);
  transition: background .2s ease, border-color .2s ease;
}

.page-faq .faq-check input:checked + .faq-check__box {
  background: var(--wl-cyan);
  border-color: var(--wl-cyan);
}

.page-faq .faq-check input:checked + .faq-check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(42deg);
}

.page-faq .faq-check input:focus-visible + .faq-check__box {
  outline: 2px solid var(--wl-cyan);
  outline-offset: 2px;
}

.page-faq .faq-check:has(input:checked) {
  background: var(--wl-cyan-soft);
}

.page-faq .faq-check input:checked ~ .faq-check__text {
  color: var(--wl-ink-soft);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-compare {
  margin-top: 40px;
  background: var(--wl-indigo);
  color: var(--wl-paper);
  padding: 26px 22px 28px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-compare__title {
  margin: 0 0 18px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-faq .faq-compare__bar {
  display: flex;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(251, 250, 247, .18);
}

.page-faq .faq-compare .wl-tab {
  border: 1px solid rgba(251, 250, 247, .3);
  background: transparent;
  color: rgba(251, 250, 247, .72);
  font-family: inherit;
  font-size: 13px;
  padding: 7px 16px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .faq-compare .wl-tab.is-active {
  color: var(--wl-indigo);
  background: var(--wl-cyan);
  border-color: var(--wl-cyan);
}

.page-faq .faq-compare .wl-tab-panel {
  padding-top: 20px;
}

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

.page-faq .faq-compare__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(251, 250, 247, .86);
}

.page-faq .faq-compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--wl-cyan);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa {
  border-bottom: 1px solid var(--wl-rule);
}

.page-faq .faq-qa__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 18px 2px;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--wl-ink);
  cursor: pointer;
  transition: color .22s ease;
}

.page-faq .faq-qa__head:hover {
  color: var(--wl-cyan-deep);
}

.page-faq .faq-qa__idx {
  font-size: 12px;
  color: var(--wl-ink-soft);
  transition: color .22s ease;
}

.page-faq .faq-qa.is-active .faq-qa__idx {
  color: var(--wl-cyan);
}

.page-faq .faq-qa.is-active .faq-qa__head {
  color: var(--wl-cyan-deep);
}

.page-faq .faq-qa__mark {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
  transition: transform .26s ease;
}

.page-faq .faq-qa__mark::before,
.page-faq .faq-qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--wl-ink-soft);
  transition: background .22s ease, transform .26s ease;
}

.page-faq .faq-qa__mark::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-qa__mark::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-qa.is-active .faq-qa__mark {
  transform: rotate(180deg);
}

.page-faq .faq-qa.is-active .faq-qa__mark::before,
.page-faq .faq-qa.is-active .faq-qa__mark::after {
  background: var(--wl-cyan);
}

.page-faq .faq-qa__body {
  padding: 0 2px 20px 40px;
}

.page-faq .faq-qa__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--wl-ink-soft);
}

/* ---------- 反馈步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--wl-rule);
  border: 1px solid var(--wl-rule);
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 18px;
  background: var(--wl-paper);
}

.page-faq .faq-steps__n {
  font-size: 13px;
  color: var(--wl-cyan-deep);
  padding-top: 3px;
}

.page-faq .faq-steps__item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--wl-ink-soft);
}

/* ---------- 数据条 ---------- */
.page-faq .faq-data {
  margin-top: 34px;
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  background: var(--wl-indigo-soft);
  border-left: 4px solid var(--wl-cyan);
}

.page-faq .faq-data .wl-data__num {
  margin: 0;
  font-family: var(--wl-mono);
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--wl-indigo);
}

.page-faq .faq-data .wl-data__unit {
  font-size: .42em;
  margin-left: 6px;
  color: var(--wl-ink-soft);
}

.page-faq .faq-data .wl-data__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--wl-ink-soft);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-sec--closing {
  border-bottom: 0;
}

.page-faq .faq-next {
  margin-top: 30px;
  display: grid;
  gap: 1px;
  background: var(--wl-rule);
  border: 1px solid var(--wl-rule);
}

.page-faq .faq-next__col {
  background: var(--wl-paper);
  padding: 22px 20px;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-next__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--wl-ink-soft);
}

.page-faq .faq-next__value {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--wl-indigo);
  word-break: break-all;
}

.page-faq .faq-next__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--wl-ink-soft);
}

.page-faq .faq-next__copy {
  margin-top: 14px;
  border: 1px solid var(--wl-rule);
  background: var(--wl-paper);
  color: var(--wl-cyan-deep);
  font-family: inherit;
  font-size: 13px;
  padding: 7px 14px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-faq .faq-next__copy:hover {
  border-color: var(--wl-cyan);
  background: var(--wl-cyan-soft);
}

.page-faq .faq-next__copy.is-copied {
  background: var(--wl-cyan-soft);
  border-color: var(--wl-cyan);
  color: var(--wl-indigo);
}

.page-faq .faq-next__links {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 动效 ---------- */
.page-faq .faq-sec[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .32s ease-out, transform .32s ease-out;
}

.page-faq .faq-sec[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hub {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-checklist {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .page-faq .faq-data {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding: 30px 28px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 92px;
    margin-bottom: 0;
  }

  .page-faq .faq-toc {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-toc__link {
    background: transparent;
    padding: 9px 12px;
  }

  .page-faq .faq-qa__body {
    padding-left: 46px;
  }

  .page-faq .faq-figure--portrait {
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-sec[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-qa__mark,
  .page-faq .faq-qa__mark::before,
  .page-faq .faq-qa__mark::after,
  .page-faq .faq-toc__link,
  .page-faq .faq-hub__card {
    transition: none;
  }
}