.page-faq {
  --faq-line: rgba(11, 59, 79, .12);
  --faq-line-deep: rgba(230, 238, 241, .16);
  --faq-soft: rgba(6, 35, 47, .84);
  display: block;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.9;
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

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

.page-faq a {
  color: inherit;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq label:focus-visible {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(232, 192, 122, .26);
  border-radius: var(--r-sm);
}

.page-faq h2 {
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: .05em;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.36;
  margin: 0;
  color: var(--deep);
}

.page-faq h3 {
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: .04em;
  font-size: 18px;
  line-height: 1.55;
  margin: 0;
  color: var(--deep);
}

.page-faq p {
  margin: 0;
}

.page-faq .faq-head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
  margin-bottom: 28px;
}

.page-faq .faq-head p {
  font-size: 16px;
  color: var(--faq-soft);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 48px 0 40px;
  color: var(--mist);
  background:
    radial-gradient(120% 88% at 88% -12%, rgba(255, 107, 74, .2), transparent 62%),
    linear-gradient(165deg, var(--deep) 0%, var(--tide) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--sand) 55%, transparent);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 16px;
}

.page-faq .faq-hero .crumb {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: .06em;
  font-size: clamp(30px, 6.6vw, 54px);
  line-height: 1.3;
  margin: 0;
  color: #fff;
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  font-size: 17px;
  color: rgba(230, 238, 241, .88);
  margin: 0;
}

.page-faq .faq-jump {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(230, 238, 241, .28);
  color: var(--mist);
  text-decoration: none;
  font-family: var(--font-title);
  font-size: 15px;
  letter-spacing: .04em;
  transition: transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-jump a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  transition: background-color .2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  transform: translateX(4px);
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

.page-faq .faq-jump a:hover::before,
.page-faq .faq-jump a:focus-visible::before {
  background: #fff;
}

.page-faq .faq-hero__note {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: rgba(232, 192, 122, .92);
  font-variant-numeric: tabular-nums;
}

/* ---------- 检索：分类树 ---------- */

.page-faq .faq-find {
  padding: 52px 0 56px;
  background: var(--mist);
}

.page-faq .faq-tree {
  display: grid;
  gap: 22px;
}

.page-faq .faq-tree__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 2px solid var(--faq-line);
  display: grid;
  gap: 12px;
}

.page-faq .faq-tree__item {
  position: relative;
}

.page-faq .faq-tree__item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--faq-line);
}

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

.page-faq .faq-tree__label {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 12px;
  padding: 13px 16px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .74);
  border: 1px solid var(--faq-line);
  cursor: pointer;
  font-family: var(--font-title);
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-tree__label:hover {
  transform: translateX(4px);
  border-color: rgba(255, 107, 74, .55);
}

.page-faq .faq-tree__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .04em;
}

.page-faq .faq-tree__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--stone);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-tree__hint {
  grid-column: 1 / -1;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--stone);
  line-height: 1.6;
}

.page-faq .faq-tree__radio:checked + .faq-tree__label {
  background: var(--deep);
  border-color: var(--deep);
  color: #fff;
}

.page-faq .faq-tree__radio:checked + .faq-tree__label .faq-tree__hint {
  color: rgba(230, 238, 241, .82);
}

.page-faq .faq-tree__radio:checked + .faq-tree__label .faq-tree__count {
  color: var(--sand);
}

.page-faq .faq-tree__radio:focus-visible + .faq-tree__label {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

.page-faq .faq-tree__panels {
  min-width: 0;
}

.page-faq .faq-panel {
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  box-shadow: 0 12px 30px rgba(6, 35, 47, .07);
}

.page-faq .faq-panel p {
  margin-top: 12px;
  font-size: 16px;
  color: var(--faq-soft);
}

.page-faq .faq-panel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  color: var(--ink);
}

.page-faq .faq-panel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
}

.page-faq .faq-tree:has(#branch-version:checked) #panel-device,
.page-faq .faq-tree:has(#branch-perm:checked) #panel-device,
.page-faq .faq-tree:has(#branch-device:checked) #panel-version,
.page-faq .faq-tree:has(#branch-perm:checked) #panel-version,
.page-faq .faq-tree:has(#branch-device:checked) #panel-perm,
.page-faq .faq-tree:has(#branch-version:checked) #panel-perm {
  display: none;
}

/* ---------- 对照版本 ---------- */

.page-faq .faq-diff {
  padding: 52px 0 56px;
  background: var(--paper);
}

.page-faq .faq-diff__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-diff__grid > div > p {
  margin-top: 12px;
  font-size: 16px;
  color: var(--faq-soft);
  max-width: 58ch;
}

.page-faq .faq-check {
  list-style: none;
  counter-reset: ck;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 60ch;
}

.page-faq .faq-check li {
  counter-increment: ck;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  font-size: 16px;
  color: var(--ink);
}

.page-faq .faq-check li::before {
  content: counter(ck, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--r-pill);
  background: rgba(255, 107, 74, .14);
  color: var(--clay);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-faq .specimen {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  padding: 22px 22px 18px 26px;
  box-shadow: 0 14px 34px rgba(6, 35, 47, .08);
}

.page-faq .specimen::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--coral), var(--sand));
}

.page-faq .specimen__cap {
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--clay);
  margin-bottom: 16px;
}

.page-faq .specimen__dl {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px 14px;
  margin: 0;
}

.page-faq .specimen__dl dt {
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-faq .specimen__dl dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .specimen__dl dd.mono {
  font-family: var(--font-mono);
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-faq .specimen__foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 14px;
  color: var(--stone);
}

/* ---------- 第一次进入 ---------- */

.page-faq .faq-first {
  padding: 52px 0 56px;
  background: linear-gradient(180deg, var(--deep) 0%, var(--tide) 100%);
  color: var(--mist);
}

.page-faq .faq-first h2,
.page-faq .faq-panel-qa h2 {
  color: var(--deep);
}

.page-faq .faq-first h2 {
  color: #fff;
}

.page-faq .faq-first .faq-head p {
  color: rgba(230, 238, 241, .84);
}

.page-faq .faq-first .figure {
  margin: 0 0 34px;
}

.page-faq .faq-first .figure__cap {
  color: rgba(230, 238, 241, .74);
}

.page-faq .steps {
  list-style: none;
  counter-reset: st;
  margin: 0;
  padding: 0;
  max-width: 700px;
}

.page-faq .steps__item {
  counter-increment: st;
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding-bottom: 22px;
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 46px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(232, 192, 122, .72), rgba(232, 192, 122, .12));
}

.page-faq .steps__item:last-child {
  padding-bottom: 0;
}

.page-faq .steps__item:last-child::before {
  display: none;
}

.page-faq .steps__num {
  position: relative;
  z-index: 1;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
  background: var(--coral);
  color: #fff;
  font-size: 13px;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

.page-faq .steps__txt {
  padding-top: 9px;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 面板权限问答 ---------- */

.page-faq .faq-panel-qa {
  padding: 52px 0 56px;
  background: var(--mist);
}

.page-faq .qa-list {
  display: grid;
  gap: 14px;
}

.page-faq .qa {
  background: #fff;
  border: 1px solid var(--faq-line);
  border-left: 4px solid rgba(11, 59, 79, .14);
  border-radius: var(--r-md);
  padding: 0 20px;
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--sand);
  box-shadow: 0 10px 26px rgba(6, 35, 47, .09);
}

.page-faq .qa__q {
  cursor: pointer;
  display: block;
  list-style: none;
  position: relative;
  padding: 18px 34px 18px 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--deep);
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
  background: rgba(11, 59, 79, .07);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  background: var(--coral);
  color: #fff;
}

.page-faq .qa__a {
  padding: 14px 0 20px;
  border-top: 1px solid rgba(11, 59, 79, .09);
}

.page-faq .qa__a p {
  font-size: 16px;
  color: var(--faq-soft);
  max-width: 62ch;
}

.page-faq .faq-more {
  margin-top: 28px;
}

/* ---------- 卡点排查 ---------- */

.page-faq .faq-trouble {
  padding: 52px 0 56px;
  background: var(--tide);
  color: var(--mist);
}

.page-faq .faq-head--deep h2 {
  color: #fff;
}

.page-faq .faq-head--deep p {
  color: rgba(230, 238, 241, .84);
}

.page-faq .trouble-grid {
  display: grid;
  gap: 18px;
}

.page-faq .trouble {
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--faq-line-deep);
  border-radius: var(--r-lg);
  padding: 22px 22px 20px;
  transition: transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .trouble:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, .1);
  border-color: rgba(232, 192, 122, .5);
}

.page-faq .trouble h3 {
  color: #fff;
  margin-bottom: 16px;
}

.page-faq .trouble ol {
  list-style: none;
  counter-reset: tr;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .trouble ol li {
  counter-increment: tr;
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  color: rgba(230, 238, 241, .9);
}

.page-faq .trouble ol li::before {
  content: counter(tr);
  position: absolute;
  left: 0;
  top: .34em;
  width: 17px;
  height: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(232, 192, 122, .22);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-faq .trouble__next {
  margin-top: 18px;
  font-size: 14px;
  color: rgba(232, 192, 122, .92);
}

.page-faq .trouble__next a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}

.page-faq .trouble__next a:hover {
  color: var(--coral);
}

/* ---------- 文档分类 ---------- */

.page-faq .faq-taxonomy {
  padding: 52px 0 56px;
  background: var(--paper);
}

.page-faq .faq-tax__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-tax__grid > div > p {
  margin-top: 12px;
  font-size: 16px;
  color: var(--faq-soft);
}

.page-faq .faq-tax__grid .figure {
  margin: 26px 0 0;
}

.page-faq .faq-tax__grid .figure__cap {
  color: var(--stone);
}

.page-faq .tax-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--faq-line);
}

.page-faq .tax-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--faq-line);
  font-size: 16px;
  color: var(--ink);
}

.page-faq .tax-list__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--clay);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-tax__link {
  margin-top: 26px;
  font-size: 15px;
  color: var(--faq-soft);
}

.page-faq .faq-tax__link a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s var(--ease);
}

.page-faq .faq-tax__link a:hover {
  color: var(--coral);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-help {
  padding: 46px 0;
  background: var(--ink);
  color: var(--mist);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 20px;
}

.page-faq .faq-help__lead {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: .04em;
  color: #fff;
  margin-bottom: 10px;
}

.page-faq .faq-help p {
  font-size: 15px;
  color: rgba(230, 238, 241, .84);
  max-width: 58ch;
}

.page-faq .faq-help .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 64px 0 52px;
  }

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

  .page-faq .tax-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-tree {
    grid-template-columns: 292px minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }

  .page-faq .faq-diff__grid {
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-tax__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-help__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }

  .page-faq .faq-help .btn {
    justify-self: end;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-find,
  .page-faq .faq-diff,
  .page-faq .faq-first,
  .page-faq .faq-panel-qa,
  .page-faq .faq-trouble,
  .page-faq .faq-taxonomy {
    padding-top: 72px;
    padding-bottom: 76px;
  }
}
<<<END>>>