.page-faq {
  --faq-line: rgba(191, 214, 216, 0.18);
  --faq-line-strong: rgba(191, 214, 216, 0.42);
  --faq-grid: rgba(191, 214, 216, 0.07);
  --faq-rail-w: 208px;
  --faq-text-soft: rgba(237, 230, 218, 0.8);
  background: var(--ink);
  color: var(--bone);
  padding: 26px 0 8px;
  font-family: var(--font-body);
}

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

.page-faq .breadcrumb {
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 20px 30px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background-color: var(--ink-deep);
  background-image:
    radial-gradient(120% 90% at 88% 8%, rgba(55, 227, 211, 0.12), transparent 62%),
    radial-gradient(90% 80% at 4% 100%, rgba(255, 107, 44, 0.12), transparent 60%),
    repeating-linear-gradient(90deg, var(--faq-grid) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, var(--faq-grid) 0 1px, transparent 1px 24px);
  overflow: hidden;
}

.page-faq .faq-hero::before,
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--cyan);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero::before {
  top: 10px;
  left: 10px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: 6px;
}

.page-faq .faq-hero::after {
  right: 10px;
  bottom: 10px;
  border-left: 0;
  border-top: 0;
  border-bottom-right-radius: 6px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-hero__title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--bone);
  text-wrap: balance;
}

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

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--faq-text-soft);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-faq .faq-shot__tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  font-size: 12px;
}

.page-faq .faq-shot--tall {
  max-width: 300px;
}

/* ---------- 路径骨架 ---------- */
.page-faq .faq-path {
  display: grid;
  gap: 26px;
  margin-top: 36px;
  padding-bottom: 44px;
}

.page-faq .faq-rail {
  border-left: 1px solid var(--faq-line);
  padding-left: 14px;
}

.page-faq .faq-rail__label {
  margin: 0;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--bone);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease),
    border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-rail__link .mono {
  color: var(--signal);
  font-size: 12px;
}

.page-faq .faq-rail__link:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(55, 227, 211, 0.1);
  color: var(--cyan);
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-step {
  padding: 22px 0 30px;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 84px;
}

.page-faq .faq-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 6px;
  align-items: baseline;
  margin: 0 0 18px;
}

.page-faq .section-num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--signal);
}

.page-faq .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-faq .section-sub {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 三步定位 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 20px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 16px 16px 16px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(237, 230, 218, 0.055), transparent 62%);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--signal), transparent);
}

.page-faq .faq-steps__item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-faq .faq-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(255, 107, 44, 0.16);
  color: var(--signal-soft);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.page-faq .faq-steps__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
}

.page-faq .faq-steps__text {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-branches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.page-faq .faq-branch {
  padding: 3px 10px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 999px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.page-faq .faq-branch--signal {
  border-color: var(--signal);
  color: var(--signal-soft);
}

/* ---------- 折叠自查 ---------- */
.page-faq .accordion {
  border-top: 1px solid var(--faq-line);
}

.page-faq .accordion__item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 15px 4px;
  border: 0;
  background: none;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 160ms var(--ease);
}

.page-faq .accordion__trigger::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
}

.page-faq .accordion__trigger[aria-expanded="true"]::after {
  content: "−";
}

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

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-faq .accordion__num {
  color: var(--signal);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .accordion__panel {
  padding: 0 4px 18px 34px;
  border-left: 1px solid var(--faq-line-strong);
  margin-left: 8px;
}

.page-faq .accordion__panel p {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 权限与网络小表 ---------- */
.page-faq .faq-spec {
  margin: 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-spec__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-spec dt {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-faq .faq-spec dd {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 录制与存储 ---------- */
.page-faq .faq-duo {
  display: grid;
  gap: 12px;
}

.page-faq .faq-duo__cell {
  padding: 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background:
    radial-gradient(100% 100% at 100% 0%, rgba(55, 227, 211, 0.1), transparent 65%),
    rgba(237, 230, 218, 0.04);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-duo__cell:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-faq .faq-duo__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-duo__text {
  margin: 0;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  padding: 20px;
  border: 1px solid rgba(255, 107, 44, 0.45);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 107, 44, 0.14), rgba(10, 24, 38, 0.25) 58%);
}

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

.page-faq .faq-contact__list li {
  position: relative;
  padding-left: 34px;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-contact__list strong {
  color: var(--bone);
}

.page-faq .faq-contact__num {
  position: absolute;
  left: 0;
  top: 1px;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(255, 107, 44, 0.2);
  color: var(--signal-soft);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 术语表 ---------- */
.page-faq .faq-glossary-wrap {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.page-faq .faq-glossary {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-glossary__item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(30, 23, 16, 0.24);
}

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

.page-faq .faq-glossary dt {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--brown);
}

.page-faq .faq-glossary dd {
  margin: 0;
  color: rgba(30, 23, 16, 0.78);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 尾部 ---------- */
.page-faq .tick-rule {
  margin: 8px 0 24px;
}

.page-faq .faq-tail {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: rgba(237, 230, 218, 0.035);
}

.page-faq .faq-tail__text {
  margin: 0;
  max-width: 52ch;
  color: var(--faq-text-soft);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 34px 30px 38px;
  }

  .page-faq .faq-spec__row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

  .page-faq .faq-glossary__item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

  .page-faq .section-sub {
    grid-column: 2;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-shot--tall {
    max-width: none;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 370px;
    gap: 36px;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-path {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 48px;
    margin-top: 52px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
    align-self: start;
  }

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

  .page-faq .faq-rail__link {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .faq-steps__item,
  .page-faq .faq-duo__cell {
    transition: none;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-steps__item:hover,
  .page-faq .faq-duo__cell:hover {
    transform: none;
  }
}
<<<END>>>