.page-faq {
  display: block;
  background-color: var(--obsidian);
  color: var(--frost);
  overflow-x: clip;
}

/* ---------- 页首 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-color: var(--obsidian);
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 82% at 20% 16%, rgba(75, 31, 134, 0.55), transparent 70%),
    linear-gradient(180deg, rgba(7, 6, 11, 0.5) 0%, rgba(7, 6, 11, 0.92) 74%, var(--obsidian) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 48px;
  padding-bottom: 44px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 16px 0 0;
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  max-width: 64ch;
  margin-top: 20px;
  color: var(--lilac);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-faq .faq-hero__quick a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lilac);
  text-decoration: none;
  border: 1px solid var(--line);
  background-color: rgba(27, 12, 51, 0.55);
  padding: 8px 13px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-faq .faq-hero__quick a:hover,
.page-faq .faq-hero__quick a:focus-visible {
  color: var(--frost);
  border-color: var(--gold);
  background-color: rgba(75, 31, 134, 0.5);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding-top: 36px;
  padding-bottom: 72px;
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-rail {
  position: relative;
}

.page-faq .faq-rail__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-faq .faq-rail .ra-index-rail {
  display: flex;
  flex-direction: row;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail .ra-index-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: none;
  white-space: nowrap;
  padding: 9px 12px;
  border-bottom: 2px solid transparent;
  color: var(--lilac);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-faq .faq-rail .ra-index-rail__link:hover,
.page-faq .faq-rail .ra-index-rail__link:focus-visible {
  color: var(--frost);
  background-color: rgba(42, 17, 72, 0.55);
}

.page-faq .faq-rail .ra-index-rail__link.is-active {
  color: var(--frost);
  border-bottom-color: var(--gold);
  background-color: rgba(42, 17, 72, 0.7);
}

.page-faq .ra-index-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-articles {
  min-width: 0;
}

.page-faq .faq-item {
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 140px;
}

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

.page-faq .faq-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 18px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 3px 8px;
  flex: none;
}

.page-faq .faq-item__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.3;
  margin: 0;
}

.page-faq .faq-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border: 1px solid currentColor;
  white-space: nowrap;
  flex: none;
}

.page-faq .faq-tag--self {
  color: var(--jade);
}

.page-faq .faq-tag--help {
  color: var(--alert);
}

.page-faq .faq-item__lead {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.88);
  margin: 0 0 22px;
  padding-left: 16px;
  border-left: 2px solid var(--royal);
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-faq .faq-step {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-faq .faq-step__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 7px;
}

.page-faq .faq-step__label::before {
  content: "";
  flex: none;
  width: 14px;
  height: 1px;
  background-color: var(--gold);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

.page-faq .faq-step--action {
  border-left: 2px solid var(--gold);
  background-color: rgba(27, 12, 51, 0.55);
  padding: 12px 16px;
}

.page-faq .faq-inline-link {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--frost);
  border-bottom-color: var(--gold-light);
}

/* ---------- 迁移图与四步 ---------- */
.page-faq .faq-figure {
  margin: 0 0 26px;
}

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

.page-faq .faq-move__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-move__idx {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--gold);
}

.page-faq .faq-move__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--frost);
}

.page-faq .faq-move__body p {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.84);
}

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

.page-faq .faq-move__body strong {
  color: var(--gold-light);
  font-weight: 600;
}

.page-faq .faq-move__foot {
  margin-top: 26px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--jade);
  background-color: rgba(27, 12, 51, 0.45);
}

.page-faq .faq-move__foot p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.86);
}

.page-faq .faq-jump {
  display: inline-flex;
}

/* ---------- 弱网规格条 ---------- */
.page-faq .faq-spec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 24px 0 0;
  border: 1px solid var(--line);
  background-color: var(--line);
}

.page-faq .faq-spec > div {
  background-color: var(--obsidian);
  padding: 14px 16px;
}

.page-faq .faq-spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lilac);
  margin-bottom: 6px;
}

.page-faq .faq-spec dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--frost);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-assist {
  margin-top: 8px;
  padding: 30px 20px 34px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  background: linear-gradient(180deg, rgba(42, 17, 72, 0.72) 0%, rgba(27, 12, 51, 0.32) 100%);
  scroll-margin-top: 140px;
}

.page-faq .faq-assist__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.28;
  margin: 14px 0 0;
}

.page-faq .faq-assist__lead {
  max-width: 58ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.86);
}

.page-faq .faq-assist__list {
  list-style: none;
  counter-reset: assist;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-assist__list li {
  counter-increment: assist;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.86);
}

.page-faq .faq-assist__list li::before {
  content: counter(assist, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 2.3;
  color: var(--alert);
}

.page-faq .faq-assist__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.page-faq .faq-assist__card {
  border: 1px solid var(--line);
  background-color: rgba(7, 6, 11, 0.6);
  padding: 20px;
}

.page-faq .faq-assist__card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-assist__card > ul {
  margin: 0;
  padding-left: 18px;
}

.page-faq .faq-assist__card > ul > li {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.82);
  margin-bottom: 6px;
}

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

.page-faq .faq-contact li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
}

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

.page-faq .faq-contact li span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lilac);
}

.page-faq .faq-contact li strong {
  font-weight: 600;
  color: var(--frost);
  word-break: break-word;
}

.page-faq .faq-assist__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 28px;
}

.page-faq .faq-assist__hint {
  flex: 1 1 260px;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--lilac);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 30px;
    row-gap: 20px;
  }

  .page-faq .faq-move__item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 24px;
  }

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

  .page-faq .faq-assist {
    padding: 38px 34px 42px;
  }

  .page-faq .faq-assist__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__inner {
    padding-top: 88px;
    padding-bottom: 76px;
  }

  .page-faq .faq-body {
    padding-top: 60px;
    padding-bottom: 100px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 132px;
  }

  .page-faq .faq-rail .ra-index-rail {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-rail .ra-index-rail__link {
    white-space: normal;
    align-items: baseline;
    margin-left: -1px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding: 10px 12px;
  }

  .page-faq .faq-rail .ra-index-rail__link.is-active {
    border-bottom-color: transparent;
    border-left-color: var(--gold);
  }

  .page-faq .faq-item {
    padding: 40px 0 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__quick a,
  .page-faq .faq-rail .ra-index-rail__link {
    transition: none;
  }
}
<<<END>>>