.page-faq {
  --faq-line: 1px solid var(--hairline);
  --faq-line-gold: 1px solid var(--hairline-gold);
  background: var(--paper);
  color: var(--text);
}

.page-faq .faq-crumb {
  padding-top: 18px;
  padding-bottom: 14px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 162, 94, .07) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(201, 162, 94, .05) 0 1px, transparent 1px 96px);
  color: var(--card);
  padding: clamp(26px, 5vw, 56px) 0 clamp(34px, 6vw, 72px);
  border-top: var(--faq-line-gold);
  border-bottom: var(--faq-line-gold);
  overflow: hidden;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5.6vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: .01em;
  margin: 10px 0 0;
  color: var(--card);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(251, 247, 239, .8);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: .82rem;
  color: rgba(251, 247, 239, .72);
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 1.24rem;
  color: var(--gold-bright);
  letter-spacing: .02em;
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  border: var(--faq-line-gold);
  background: var(--ink-2);
}

.page-faq .faq-hero__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__figure .media-frame__caption {
  padding: 10px 14px;
  font-size: .74rem;
  letter-spacing: .04em;
  color: rgba(251, 247, 239, .6);
  border-top: var(--faq-line-gold);
}

/* ---------- 通用小节头 ---------- */
.page-faq .faq-head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-head .eyebrow {
  color: var(--brick);
  letter-spacing: .16em;
}

.page-faq .faq-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.3;
  margin: 8px 0 0;
}

.page-faq .faq-head p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-head--dark h2 { color: var(--card); }
.page-faq .faq-head--dark p { color: rgba(251, 247, 239, .72); }
.page-faq .faq-head--dark .eyebrow { color: var(--gold-bright); }

/* ---------- 索引 + 高频问题 ---------- */
.page-faq .faq-hub {
  padding-top: clamp(36px, 6vw, 68px);
}

.page-faq .faq-hub__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-index {
  border: var(--faq-line);
  background: var(--card);
  padding: 16px 14px 8px;
}

.page-faq .faq-index .eyebrow {
  display: block;
  margin: 0 0 10px;
  padding-left: 2px;
  color: var(--muted);
  letter-spacing: .16em;
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 8px;
  border-bottom: 1px dashed var(--hairline);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  font-size: .92rem;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--paper);
  border-left-color: var(--gold);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--brick);
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--muted);
}

/* 手风琴 */
.page-faq .faq-q {
  border: var(--faq-line);
  background: var(--card);
  margin-bottom: 10px;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-faq .faq-q[open] {
  border-color: var(--gold);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-faq .faq-q__q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: .97rem;
  font-weight: 500;
  line-height: 1.6;
}

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

.page-faq .faq-q__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--gold);
}

.page-faq .faq-q[open] .faq-q__q::after { content: "−"; }

.page-faq .faq-q__tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  padding: 2px 7px;
  color: var(--card);
  background: var(--brick);
}

.page-faq .faq-q__a {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--hairline);
  font-size: .92rem;
  line-height: 1.85;
  color: #2a3632;
}

.page-faq .faq-q__a p { margin: 0; }

/* ---------- 设备迁移 ---------- */
.page-faq .faq-steps {
  background: var(--ink-2);
  color: var(--card);
  padding-top: clamp(38px, 6vw, 72px);
  padding-bottom: clamp(38px, 6vw, 72px);
  border-top: var(--faq-line-gold);
  border-bottom: var(--faq-line-gold);
}

.page-faq .faq-steps__figure {
  margin: 0 0 clamp(22px, 4vw, 36px);
  border: var(--faq-line-gold);
  background: var(--ink-3);
}

.page-faq .faq-steps__figure .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-faq .faq-steps__figure .media-frame__caption {
  padding: 10px 14px;
  font-size: .74rem;
  letter-spacing: .04em;
  color: rgba(251, 247, 239, .62);
  border-top: var(--faq-line-gold);
}

.page-faq .faq-steps__grid {
  display: grid;
  gap: 12px;
  position: relative;
}

.page-faq .faq-step {
  border: var(--faq-line-gold);
  background: rgba(11, 36, 31, .55);
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-step[open] {
  background: var(--ink);
  border-color: var(--gold);
}

.page-faq .faq-step__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--card);
  line-height: 1.5;
}

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

.page-faq .faq-step__no {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--gold-bright);
  border-bottom: 1px solid var(--hairline-gold);
  padding-bottom: 1px;
  flex: none;
}

.page-faq .faq-step__body {
  padding: 0 16px 18px;
  border-top: 1px dashed var(--hairline-gold);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: rgba(251, 247, 239, .78);
}

/* ---------- 收藏同步 ---------- */
.page-faq .faq-fav {
  padding-top: clamp(38px, 6vw, 72px);
  padding-bottom: clamp(38px, 6vw, 72px);
}

.page-faq .faq-fav__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-faq .faq-fav__panel p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.85;
}

.page-faq .faq-fav__panel a {
  color: var(--brick);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-gold);
}

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

.page-faq .faq-check {
  border: var(--faq-line);
  border-top: 3px solid var(--gold);
  background: var(--card);
  padding: 18px 18px 16px;
}

.page-faq .faq-check__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--muted);
}

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

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--hairline);
  font-size: .9rem;
  line-height: 1.7;
}

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

.page-faq .faq-check__no {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--card);
  background: var(--ink-2);
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 筛选与导出 ---------- */
.page-faq .faq-filters {
  background: var(--paper);
  padding-top: clamp(38px, 6vw, 72px);
  padding-bottom: clamp(38px, 6vw, 72px);
  border-top: var(--faq-line);
}

.page-faq .faq-filters__grid {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-faq .faq-block {
  background: var(--card);
  border: var(--faq-line);
  padding: 18px 18px 8px;
}

.page-faq .faq-block--filter { border-top: 3px solid var(--brick); }
.page-faq .faq-block--export { border-top: 3px solid var(--gold); }

.page-faq .faq-block__head {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--ink-2);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-pair {
  padding: 0 0 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--hairline);
}

.page-faq .faq-pair:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .faq-pair__q {
  margin: 0 0 6px;
  font-size: .95rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .faq-pair__q::before {
  content: "Q";
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--brick);
  margin-right: 8px;
}

.page-faq .faq-pair__a {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 联系 ---------- */
.page-faq .faq-help {
  background: var(--ink);
  color: var(--card);
  padding-top: clamp(38px, 6vw, 72px);
  padding-bottom: clamp(38px, 6vw, 72px);
  border-top: var(--faq-line-gold);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-help__copy .eyebrow { color: var(--gold-bright); letter-spacing: .16em; }

.page-faq .faq-help__copy h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.32;
  margin: 10px 0 0;
  color: var(--card);
}

.page-faq .faq-help__copy p {
  margin: 12px 0 22px;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(251, 247, 239, .75);
}

.page-faq .faq-help__copy .btn { margin: 0 10px 10px 0; }

.page-faq .faq-help__panel {
  border: var(--faq-line-gold);
  background: var(--ink-2);
  padding: 20px 18px;
}

.page-faq .faq-help__mail {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(.86rem, 2.4vw, 1.02rem);
  color: var(--gold-bright);
  letter-spacing: .01em;
  word-break: break-all;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--hairline-gold);
}

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

.page-faq .faq-help__list li {
  padding: 9px 0;
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(251, 247, 239, .78);
  border-bottom: 1px dashed rgba(201, 162, 94, .18);
}

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

.page-faq .faq-help__label {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--gold);
  letter-spacing: .08em;
}

.page-faq .faq-help__note {
  margin: 14px 0 0;
  font-size: .8rem;
  line-height: 1.7;
  color: rgba(251, 247, 239, .55);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-fav__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }

  .page-faq .faq-filters__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hub__grid {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 108px;
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps__grid::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -14px;
    border-top: 1px dashed var(--gold);
    opacity: .4;
  }

  .page-faq .faq-q__q { padding: 17px 20px; }
  .page-faq .faq-q__a { padding: 16px 20px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-q,
  .page-faq .faq-step {
    transition: none;
  }
}
<<<END>>>