.page-faq {
  --faq-rule: 1px solid var(--ink);
  --faq-hair: 1px solid rgba(23, 19, 14, .24);
  padding-bottom: 64px;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--masthead-h) + 16px);
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 24px;
  padding-bottom: 56px;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-rail {
  min-width: 0;
  border: var(--faq-rule);
  background: var(--apricot);
  padding: 16px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-faq .faq-rail__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-rail__item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 10px 10px;
  border: var(--faq-rule);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: background 140ms var(--ease), transform 140ms var(--ease);
}

.page-faq .faq-rail__item:hover {
  background: var(--cream);
  transform: translateY(-2px);
}

.page-faq .faq-rail__dot {
  flex: none;
  width: 9px;
  height: 9px;
  background: var(--cat, var(--mango));
}

.page-faq .faq-rail__item--start { --cat: var(--mango); }
.page-faq .faq-rail__item--files { --cat: var(--berry); }
.page-faq .faq-rail__item--subscribe { --cat: var(--lime); }
.page-faq .faq-rail__item--account { --cat: var(--pit); }

.page-faq .faq-rail__name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.page-faq .faq-rail__count {
  margin-left: auto;
  flex: none;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--pit);
}

.page-faq .faq-rail__steps {
  margin-top: 16px;
  padding-top: 12px;
  border-top: var(--faq-hair);
  display: none;
}

.page-faq .faq-rail__sub {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--berry);
  letter-spacing: .04em;
}

.page-faq .faq-rail__steps a {
  display: block;
  padding: 5px 0;
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: var(--faq-hair);
}

.page-faq .faq-rail__steps a:hover {
  color: var(--mango-deep);
}

.page-faq .faq-rail__tip {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: var(--faq-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--pit);
}

.page-faq .faq-rail__tip a {
  color: var(--berry);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 主列 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-main .breadcrumbs {
  margin-bottom: 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-top: 3px solid var(--ink);
  padding-top: 20px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--berry);
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink);
  border: var(--faq-rule);
}

.page-faq .faq-hero__stats li {
  background: var(--paper);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-hero__v {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 28px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--mango-deep);
}

.page-faq .faq-hero__k {
  font-size: 13px;
  color: var(--pit);
}

/* ---------- 图片 ---------- */
.page-faq .img-frame {
  margin: 26px 0 0;
  border: var(--faq-rule);
  background: var(--apricot);
  position: relative;
}

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

.page-faq .img-frame__cap {
  display: block;
  padding: 8px 12px;
  border-top: var(--faq-hair);
  font-size: 13px;
  line-height: 1.6;
  color: var(--pit);
  background: var(--cream);
}

/* ---------- 区块头 ---------- */
.page-faq .qa-sec {
  margin-top: 46px;
}

.page-faq .qa-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 14px;
}

.page-faq .qa-sec__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--mango);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.page-faq .qa-sec__meta {
  min-width: 0;
}

.page-faq .qa-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 4.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .qa-sec__note {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--pit);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa-sec__lead {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  position: relative;
  border: var(--faq-rule);
  background: var(--paper);
}

.page-faq .qa + .qa {
  margin-top: -1px;
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 10px;
  height: 10px;
  background: transparent;
  transition: background 140ms var(--ease);
  z-index: 1;
}

.page-faq .qa[open]::before {
  background: var(--lime);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
  background: transparent;
  transition: background 140ms var(--ease);
}

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

.page-faq .qa__q:hover {
  background: var(--cream);
}

.page-faq .qa__idx {
  flex: none;
  width: 2.1em;
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--pit);
}

.page-faq .qa__ask {
  min-width: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .qa[open] .qa__ask {
  color: var(--ink);
}

.page-faq .qa__a {
  padding: 0 14px 16px 14px;
  border-top: var(--faq-hair);
  margin-top: 2px;
  padding-top: 12px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .qa__a a {
  color: var(--berry);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 订阅五步 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: var(--faq-rule);
  background: var(--paper);
  padding: 16px;
  position: relative;
}

.page-faq .steps__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--lime);
}

.page-faq .steps__num {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.page-faq .steps__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .steps__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 36em;
}

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

.page-faq .steps__cue {
  padding: 8px 10px;
  background: var(--cream);
  border-left: 3px solid var(--mango);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .steps__cue b {
  color: var(--mango-deep);
  margin-right: 6px;
}

/* ---------- 未解决区块 ---------- */
.page-faq .qa-sec--next .qa-sec__num {
  background: var(--berry);
  color: var(--white);
}

.page-faq .next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .next__col {
  border: var(--faq-rule);
  padding: 18px;
  background: var(--paper);
  min-width: 0;
}

.page-faq .next__col--card {
  background: var(--apricot);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .next__h {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--berry);
  letter-spacing: .02em;
}

.page-faq .next__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .next__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .next__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-faq .next__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: var(--faq-rule);
  background: var(--mango);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background 140ms var(--ease), transform 140ms var(--ease);
}

.page-faq .next__cta:hover {
  background: var(--mango-deep);
  color: var(--white);
  transform: translateY(-2px);
}

.page-faq .next__label {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--berry);
}

.page-faq .next__val {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .next__copy {
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 6px 12px;
  border: var(--faq-rule);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 140ms var(--ease);
}

.page-faq .next__copy:hover {
  background: var(--cream);
}

.page-faq .next__copy[data-copied] {
  background: var(--lime);
}

.page-faq .next__note {
  margin: 8px 0 0;
  padding-top: 10px;
  border-top: var(--faq-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--pit);
}

.page-faq .next__foot {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pit);
}

.page-faq .next__foot a {
  color: var(--berry);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-end {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
  display: flex;
  justify-content: flex-end;
}

.page-faq .faq-end .to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: var(--faq-rule);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 140ms var(--ease);
}

.page-faq .faq-end .to-top:hover {
  background: var(--mango);
}

.page-faq .faq-end .to-top__arrow {
  font-size: 16px;
  line-height: 1;
}

/* ---------- 窄屏网格 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .next {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-faq .steps__item {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
    gap: 12px;
    padding-left: 22px;
  }

  .page-faq .steps__num {
    margin-bottom: 0;
    justify-self: start;
    font-size: 18px;
    padding: 6px 10px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding-top: 34px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--masthead-h) + 18px);
    padding: 18px 14px;
  }

  .page-faq .faq-rail__nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-faq .faq-rail__item {
    padding: 10px 10px;
    font-size: 14px;
  }

  .page-faq .faq-rail__steps {
    display: block;
  }

  .page-faq .qa-sec__head {
    gap: 18px;
  }

  .page-faq .qa__q {
    padding: 16px 18px;
  }

  .page-faq .qa__a {
    padding: 14px 18px 18px 18px;
  }

  .page-faq .qa__a p {
    padding-left: calc(2.1em + 10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa::before,
  .page-faq .qa__q,
  .page-faq .faq-rail__item,
  .page-faq .next__cta,
  .page-faq .faq-end .to-top {
    transition: none;
  }

  .page-faq .faq-rail__item:hover,
  .page-faq .next__cta:hover {
    transform: none;
  }
}
<<<END>>>