.page-faq {
  --faq-index-w: 196px;
  --faq-side-w: 272px;
  --faq-shadow: 0 18px 42px rgba(2, 10, 18, .45);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 216, 240, .35);
}

.page-faq a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--line);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 76% 14%, rgba(37, 216, 240, .13), transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(255, 122, 26, .08), transparent 42%),
    repeating-linear-gradient(0deg, transparent 0 71px, var(--line-soft) 71px 72px),
    repeating-linear-gradient(90deg, transparent 0 71px, var(--line-soft) 71px 72px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.5);
  padding: 28px 0 40px;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

.page-faq .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-hero__intro {
  max-width: 46ch;
  margin: 0 0 26px;
  color: var(--paper-dim);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-quick-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-quick {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: 2px;
  background: rgba(11, 36, 52, .72);
  color: var(--paper);
  font-size: 15px;
  transition: background .18s ease, border-color .18s ease;
}

.page-faq .faq-quick:hover {
  background: var(--deck-hi);
  border-left-color: var(--orange);
  border-bottom-color: var(--line);
}

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

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

.page-faq .faq-hero__console {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(160deg, var(--deck-hi), rgba(6, 24, 38, .92));
  box-shadow: var(--faq-shadow);
}

.page-faq .console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .console-list {
  margin: 0;
  padding: 0;
}

.page-faq .console-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .console-row dt {
  color: var(--paper-dim);
  font-size: 14px;
}

.page-faq .console-row dd {
  margin: 0;
  color: var(--paper);
  font-size: 14px;
  white-space: nowrap;
}

.page-faq .console-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 图片 ---------- */
.page-faq .faq-shot {
  margin: 0;
  padding-top: 28px;
  padding-bottom: 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--deck);
  object-fit: cover;
}

.page-faq .faq-shot figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-shot--inline {
  padding: 22px 0 0;
}

/* ---------- 三栏外壳 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.4);
  padding-top: 36px;
  padding-bottom: 64px;
}

.page-faq .faq-index {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--paper-dim);
  font-size: 13px;
  white-space: nowrap;
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-index__link:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

/* ---------- 文档区 ---------- */
.page-faq .faq-doc {
  min-width: 0;
}

.page-faq .faq-sec {
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 24px;
}

.page-faq .faq-sec:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-sec__num {
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--rock);
  flex: 0 0 auto;
}

.page-faq h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-faq .faq-sec__lead {
  margin: 0 0 24px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  color: var(--paper-dim);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-sec__foot {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-panel {
  padding: 18px 18px 20px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(11, 36, 52, .6);
}

.page-faq .faq-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-panel p {
  margin: 0;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-panel--steps {
  border-left: 2px solid var(--orange);
  background: linear-gradient(140deg, var(--deck-hi), rgba(6, 24, 38, .75));
}

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

.page-faq .faq-bullets li {
  position: relative;
  padding: 6px 0 6px 18px;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  background: var(--rock);
}

.page-faq .faq-bullets--tagged li {
  padding-left: 0;
}

.page-faq .faq-bullets--tagged li::before {
  display: none;
}

.page-faq .faq-tag {
  display: inline-block;
  min-width: 44px;
  margin-right: 8px;
  padding: 1px 6px;
  border: 1px solid var(--rock);
  border-radius: 2px;
  font-size: 11px;
  color: var(--cyan);
  background: var(--cyan-soft);
  text-align: center;
}

.page-faq .faq-grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps > li {
  position: relative;
  padding: 0 0 16px 44px;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-steps > li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps > li::before {
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-faq .faq-steps > li::after {
  content: "";
  position: absolute;
  left: 39px;
  top: 24px;
  bottom: 2px;
  width: 1px;
  background: var(--line);
}

.page-faq .faq-steps > li:last-child::after {
  display: none;
}

.page-faq .faq-steps strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-when {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 122, 26, .32);
  border-radius: 2px;
  background: rgba(255, 122, 26, .06);
}

.page-faq .faq-when .dot {
  margin-top: 9px;
  flex: 0 0 auto;
}

.page-faq .faq-when p {
  margin: 0;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-when strong {
  color: var(--orange);
  font-weight: 700;
}

/* ---------- 设备选择器 ---------- */
.page-faq .dev-picker {
  position: relative;
  margin-bottom: 24px;
}

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

.page-faq .dev-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .dev-tab {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--deck);
  color: var(--paper-dim);
  font-size: 13px;
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease, background .16s ease;
}

.page-faq .dev-tab:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-faq .dev-panels {
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: 2px;
  background: rgba(11, 36, 52, .7);
  padding: 18px;
}

.page-faq .dev-panel {
  display: none;
}

.page-faq .dev-panel__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-faq .dev-panel p {
  margin: 0 0 10px;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .dev-panel__act {
  padding-left: 12px;
  border-left: 1px solid var(--orange);
  color: var(--paper) !important;
  font-size: 14px !important;
}

.page-faq #dev-android:checked ~ .dev-tabs label[for="dev-android"],
.page-faq #dev-iphone:checked ~ .dev-tabs label[for="dev-iphone"],
.page-faq #dev-windows:checked ~ .dev-tabs label[for="dev-windows"],
.page-faq #dev-macos:checked ~ .dev-tabs label[for="dev-macos"],
.page-faq #dev-androidpad:checked ~ .dev-tabs label[for="dev-androidpad"],
.page-faq #dev-ipad:checked ~ .dev-tabs label[for="dev-ipad"] {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--cyan);
}

.page-faq #dev-android:focus-visible ~ .dev-tabs label[for="dev-android"],
.page-faq #dev-iphone:focus-visible ~ .dev-tabs label[for="dev-iphone"],
.page-faq #dev-windows:focus-visible ~ .dev-tabs label[for="dev-windows"],
.page-faq #dev-macos:focus-visible ~ .dev-tabs label[for="dev-macos"],
.page-faq #dev-androidpad:focus-visible ~ .dev-tabs label[for="dev-androidpad"],
.page-faq #dev-ipad:focus-visible ~ .dev-tabs label[for="dev-ipad"] {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq #dev-android:checked ~ .dev-panels .dev-panel[data-dev="android"],
.page-faq #dev-iphone:checked ~ .dev-panels .dev-panel[data-dev="iphone"],
.page-faq #dev-windows:checked ~ .dev-panels .dev-panel[data-dev="windows"],
.page-faq #dev-macos:checked ~ .dev-panels .dev-panel[data-dev="macos"],
.page-faq #dev-androidpad:checked ~ .dev-panels .dev-panel[data-dev="androidpad"],
.page-faq #dev-ipad:checked ~ .dev-panels .dev-panel[data-dev="ipad"] {
  display: block;
}

/* ---------- 兼容矩阵 ---------- */
.page-faq .compat {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(6, 24, 38, .6);
  overflow: hidden;
}

.page-faq .compat__row {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--paper-dim);
}

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

.page-faq .compat__row--head {
  background: var(--deck);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .compat__row .mono {
  font-size: 13px;
  color: var(--paper);
}

.page-faq .compat__state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  color: var(--lime);
  font-size: 13px;
}

.page-faq .compat__state--warn {
  color: var(--orange);
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-details-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .faq-details {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--deck);
}

.page-faq .faq-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 15px;
  font-weight: 500;
}

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

.page-faq .faq-details summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-faq .faq-details[open] summary::after {
  content: "−";
}

.page-faq .faq-details summary:hover {
  color: var(--cyan);
}

.page-faq .faq-details p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 联系块 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: 2px;
  background: linear-gradient(150deg, var(--deck-hi), rgba(6, 24, 38, .8));
}

.page-faq .faq-contact__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-contact__val {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-contact__note {
  margin: 0;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-side {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(11, 36, 52, .6);
}

.page-faq .faq-card--accent {
  border-left: 2px solid var(--orange);
  background: linear-gradient(150deg, rgba(255, 122, 26, .10), rgba(11, 36, 52, .8));
}

.page-faq .faq-card__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-card__text {
  margin: 0 0 10px;
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-card__mail {
  margin: 0;
  font-size: 12px;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-card__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  color: var(--lime);
  font-size: 12px;
}

.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-metric__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-metric__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

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

.page-faq .faq-links li + li {
  border-top: 1px dashed var(--line-soft);
}

.page-faq .faq-links a {
  display: block;
  padding: 9px 0;
  border-bottom: 0;
  color: var(--paper-dim);
  font-size: 14px;
}

.page-faq .faq-links a:hover {
  color: var(--cyan);
}

.page-faq .to-top {
  width: 100%;
  justify-content: center;
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 5fr 4fr;
    align-items: start;
    padding: 40px 0 56px;
  }

  .page-faq .faq-quick-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-quick {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px;
  }

  .page-faq .faq-quick__meta {
    font-size: 10px;
  }

  .page-faq .faq-grid-two {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
    padding: 24px;
  }

  .page-faq .faq-details-group {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-faq .faq-side > .faq-card:first-child,
  .page-faq .faq-side > .to-top {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr) var(--faq-side-w);
    gap: calc(var(--gap) * 1.5);
    align-items: start;
    padding-top: 48px;
    padding-bottom: 80px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 14px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-radius: 0;
    padding: 7px 0;
    color: var(--paper-dim);
  }

  .page-faq .faq-index__link:hover {
    color: var(--cyan);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 24px;
    grid-template-columns: 1fr;
  }

  .page-faq .faq-sec__num {
    font-size: 40px;
  }

  .page-faq .faq-shot {
    padding-top: 40px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 5fr 6fr;
    gap: calc(var(--gap) * 2);
  }

  .page-faq .faq-sec {
    padding-bottom: 52px;
    margin-bottom: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick,
  .page-faq .dev-tab,
  .page-faq .faq-details summary,
  .page-faq .faq-links a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>