.page-faq {
  --faq-panel: #111A1F;
  --faq-hair: rgba(167, 176, 184, 0.22);
  background: var(--ink-900);
  color: var(--porcelain);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq a {
  color: var(--neon);
}

.page-faq .faq-crumb {
  padding-top: 20px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--lava);
}

.page-faq .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
}

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

.page-faq .breadcrumb__current {
  color: var(--porcelain);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 28px 52px;
  background:
    linear-gradient(115deg, rgba(25, 227, 209, 0.09) 0%, rgba(25, 227, 209, 0) 46%),
    var(--ink-900);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 18px;
  color: var(--lava);
  letter-spacing: 0.16em;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-size: clamp(34px, 8.4vw, 74px);
  line-height: 1.04;
  letter-spacing: 0.03em;
  font-weight: 800;
  word-break: break-word;
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  color: var(--neon);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .faq-hero__side {
  padding: 22px 20px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-hair);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero__side-label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lava);
  text-transform: uppercase;
}

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

.page-faq .faq-status__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-status__row .status-dot {
  flex: 0 0 auto;
}

.page-faq .faq-hero__side-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 通用章节头 ---------- */
.page-faq .faq-sec {
  padding-block: 52px;
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
}

.page-faq .faq-sec__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lava);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.04em;
  font-weight: 800;
  word-break: break-word;
}

.page-faq .faq-sec__note {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 01 五层定位 ---------- */
.page-faq .route-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .route-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  background: rgba(11, 14, 18, 0.55);
  border-left: 4px solid var(--neon);
  box-shadow: 0 0 0 1px var(--faq-hair);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-faq .route-step:hover {
  transform: translateY(-3px);
  border-left-color: var(--lava);
}

.page-faq .route-step__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  padding-top: 3px;
  color: var(--neon);
}

.page-faq .route-step__body {
  min-width: 0;
}

.page-faq .route-step__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.page-faq .route-step__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  color: var(--lime);
  border: 1px solid rgba(182, 255, 59, 0.5);
}

.page-faq .route-step__text {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 02 安卓机型 ---------- */
.page-faq .faq-compat {
  background:
    linear-gradient(160deg, rgba(58, 46, 122, 0.9) 0%, rgba(58, 46, 122, 0.55) 60%, rgba(11, 14, 18, 0.9) 100%),
    var(--indigo);
}

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

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

.page-faq .faq-compat__figure {
  margin: 0;
  border: 2px solid var(--neon);
  box-shadow: var(--shadow-neon);
  overflow: hidden;
}

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

.page-faq .faq-compat__caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-faq .compat-steps {
  display: grid;
  gap: 12px;
}

.page-faq .compat-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: rgba(11, 14, 18, 0.52);
  border: 1px solid rgba(242, 246, 245, 0.16);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .compat-step:hover {
  border-color: rgba(25, 227, 209, 0.55);
}

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

.page-faq .compat-step__box {
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 2px solid var(--mist);
  position: relative;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .compat-step__input:checked + .compat-step__box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-faq .compat-step__input:checked + .compat-step__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}

.page-faq .compat-step__input:focus-visible + .compat-step__box {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-faq .compat-step__content {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-faq .compat-step__num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lava);
}

.page-faq .compat-step__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.45;
}

.page-faq .compat-step__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-compat__link {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 03 常见场景 ---------- */
.page-faq .faq-trouble {
  background:
    linear-gradient(200deg, rgba(122, 31, 61, 0.95) 0%, rgba(122, 31, 61, 0.62) 55%, rgba(11, 14, 18, 0.92) 100%),
    var(--wine);
}

.page-faq .faq-acc {
  border-top: 1px solid rgba(242, 246, 245, 0.26);
}

.page-faq .faq-acc__item {
  border-bottom: 1px solid rgba(242, 246, 245, 0.26);
}

.page-faq .faq-acc__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

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

.page-faq .faq-acc__idx {
  flex: 0 0 auto;
  font-size: 12px;
  color: rgba(242, 246, 245, 0.6);
}

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

.page-faq .faq-acc__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--neon);
}

.page-faq .faq-acc__item[open] .faq-acc__summary::after {
  content: "−";
  color: var(--lime);
}

.page-faq .faq-acc__body {
  padding: 0 0 20px 34px;
}

.page-faq .faq-acc__body p {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 246, 245, 0.84);
}

/* ---------- 04 收藏导航 ---------- */
.page-faq .faq-save {
  background: var(--ink-900);
}

.page-faq .faq-save__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

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

.page-faq .faq-save__block {
  padding: 18px 0 0;
  border-top: 1px solid var(--faq-hair);
  margin-top: 18px;
}

.page-faq .faq-save__block:first-of-type {
  margin-top: 0;
}

.page-faq .faq-save__subtitle {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.page-faq .faq-save__subtitle .mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--ink-900);
  background: var(--neon);
}

.page-faq .faq-save__list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-save__figure {
  margin: 0;
  border: 2px solid rgba(25, 227, 209, 0.5);
  overflow: hidden;
}

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

/* ---------- 05 反馈材料 ---------- */
.page-faq .faq-material__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

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

.page-faq .material-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: rgba(11, 14, 18, 0.5);
  border: 1px solid var(--faq-hair);
}

.page-faq .material-item__mark {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 2px solid var(--lime);
}

.page-faq .material-item__mark::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(40deg);
}

.page-faq .material-item__title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.page-faq .material-item__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .material-aside {
  padding: 22px 20px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-hair);
  box-shadow: var(--shadow-hard);
}

.page-faq .material-aside__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lava);
}

.page-faq .material-aside__text {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .material-aside__btn {
  display: inline-block;
}

/* ---------- 06 人工支持 ---------- */
.page-faq .faq-help__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-help__more {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-help__contact {
  padding: 24px 20px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-hair);
  border-top: 4px solid var(--lava);
}

.page-faq .contact-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-hair);
}

.page-faq .contact-row__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .contact-row__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--porcelain);
  word-break: break-word;
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-help__back {
  margin: 18px 0 0;
  font-size: 14px;
}

.page-faq .faq-help__back a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 209, 0.5);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-crumb {
    padding-top: 24px;
  }

  .page-faq .faq-hero {
    padding-block: 34px 68px;
  }

  .page-faq .faq-sec {
    padding-block: 68px;
  }

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

  .page-faq .faq-route .route-step:last-child {
    grid-column: 1 / -1;
  }

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

  .page-faq .faq-acc__summary {
    font-size: 17px;
    padding: 20px 0;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-hero__side {
    transform: translateY(6px);
  }

  .page-faq .faq-compat__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-save__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-material__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-faq .faq-sec__title {
    letter-spacing: 0.05em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-step,
  .page-faq .compat-step,
  .page-faq .compat-step__box {
    transition: none;
  }

  .page-faq .route-step:hover {
    transform: none;
  }
}
<<<END>>>