.page-faq {
  background: var(--paper);
  color: var(--paper-ink);
  font-family: var(--font-body);
}

.page-faq a {
  color: inherit;
}

.page-faq .faq-hero {
  padding: 40px 0 56px;
}

.page-faq .crumbs {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 34px;
}

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

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

.page-faq .crumbs__sep {
  margin: 0 8px;
  color: var(--ink-3);
}

.page-faq .hero-grid {
  display: grid;
  gap: 32px;
}

.page-faq .hero-eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--on-dark);
}

.page-faq .hero-lede {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-dark);
  opacity: 0.88;
}

.page-faq .faq-jump {
  background: var(--ink-2);
  border: 2px solid var(--ink-3);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  padding: 20px;
}

.page-faq .faq-jump__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

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

.page-faq .faq-jump li + li {
  border-top: 1px solid var(--ink-3);
}

.page-faq .faq-jump a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  font-size: 15px;
  text-decoration: none;
  color: var(--on-dark);
  transition: color var(--ease);
}

.page-faq .faq-jump a span {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-sec {
  padding: 56px 0;
  border-top: 2px solid var(--beige);
}

.page-faq .band-night.faq-sec,
.page-faq .band-dark.faq-sec {
  border-top-color: var(--ink-3);
}

.page-faq .faq-head {
  display: grid;
  gap: 14px;
  margin-bottom: 34px;
}

.page-faq .faq-head__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--orange);
}

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

.page-faq .faq-head h2,
.page-faq .help-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0.01em;
}

.page-faq .faq-head p {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted-ink);
}

.page-faq .faq-head--dark h2 {
  color: var(--on-dark);
}

.page-faq .faq-head--dark p {
  color: var(--mist);
}

/* 步骤条 */
.page-faq .steps {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
}

.page-faq .steps__item {
  position: relative;
  padding: 0 0 30px 66px;
}

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

.page-faq .steps__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 50px;
  bottom: 4px;
  border-left: 2px dashed var(--beige);
}

.page-faq .steps__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--cyan);
  background: var(--ink);
  border: 2px solid var(--ink-3);
  border-radius: var(--radius);
  box-shadow: var(--hard-sm);
}

.page-faq .steps__title {
  margin: 4px 0 8px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
}

.page-faq .steps__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted-ink);
  max-width: 46ch;
}

.page-faq .steps__hint {
  display: block;
  margin-top: 10px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-ink-2);
  border-left: 2px solid var(--orange);
  padding-left: 10px;
  transition: max-height var(--ease), opacity var(--ease);
}

.page-faq .steps__item:hover .steps__hint,
.page-faq .steps__item:focus-within .steps__hint {
  max-height: 90px;
  opacity: 1;
}

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

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

/* 问答布局 */
.page-faq .qa-layout {
  display: grid;
  gap: 28px;
}

.page-faq .qa-side__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted-ink-2);
}

.page-faq .topic-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-faq .topic-list li {
  flex: 0 0 auto;
}

.page-faq .topic-list a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--muted-ink);
  background: transparent;
  border: 2px solid var(--beige);
  border-radius: var(--radius);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-faq .topic-list a:hover,
.page-faq .topic-list a:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cyan);
}

.page-faq .qa-group + .qa-group {
  margin-top: 40px;
}

.page-faq .qa-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .qa-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  border: 2px solid var(--orange);
  border-radius: var(--radius);
  padding: 1px 6px;
}

.page-faq .qa {
  border-bottom: 2px solid var(--beige);
}

.page-faq .qa summary {
  position: relative;
  display: block;
  padding: 20px 46px 20px 16px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
  transition: box-shadow var(--ease), color var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--muted-ink-2);
  transition: color var(--ease);
}

.page-faq .qa summary:hover {
  color: var(--ink);
  box-shadow: inset 4px 0 0 0 var(--beige);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.page-faq .qa[open] summary {
  box-shadow: inset 4px 0 0 0 var(--orange);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .qa__a {
  padding: 0 18px 22px 20px;
  border-left: 4px solid var(--orange);
  margin-left: 0;
  background: var(--mint);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-ink);
}

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

.page-faq .faq-mid {
  margin: 40px 0;
}

/* 刷新表格 */
.page-faq .sync-table-wrap {
  overflow-x: auto;
}

.page-faq .sync-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .sync-table caption {
  caption-side: top;
}

.page-faq .sync-table th,
.page-faq .sync-table td {
  padding: 15px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-3);
  line-height: 1.7;
}

.page-faq .sync-table thead th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border-bottom: 2px solid var(--ink-3);
}

.page-faq .sync-table tbody th {
  font-weight: 700;
  color: var(--on-dark);
  white-space: nowrap;
}

.page-faq .sync-table td {
  color: var(--mist);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
}

.page-faq .sync-note {
  margin: 28px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--on-dark);
  opacity: 0.82;
}

/* 反馈 */
.page-faq .need-grid {
  display: grid;
  gap: 18px;
}

.page-faq .need-card {
  padding: 22px 20px;
  background: var(--mint);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--hard-sm);
}

.page-faq .need-card__k {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--paper);
  background: var(--ink);
  border-radius: var(--radius);
}

.page-faq .need-card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.page-faq .need-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-ink);
}

.page-faq .need-foot {
  margin: 26px 0 0;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-ink);
  background: var(--paper);
  border: 2px dashed var(--beige);
  border-radius: var(--radius);
}

/* 联系收束 */
.page-faq .faq-sec--help {
  padding: 56px 0 64px;
}

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

.page-faq .help-title {
  margin: 12px 0 16px;
  color: var(--on-dark);
}

.page-faq .help-lede {
  margin: 0 0 24px;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .help-list {
  margin: 0;
  border: 2px solid var(--ink-3);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--hard);
}

.page-faq .help-list__row {
  padding: 16px 20px;
}

.page-faq .help-list__row + .help-list__row {
  border-top: 1px solid var(--ink-3);
}

.page-faq .help-list dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .help-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--on-dark);
  word-break: break-word;
}

.page-faq .help-more {
  margin: 32px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--ink-3);
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .help-more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .help-more a:hover {
  color: var(--orange);
}

.page-faq [data-reveal] {
  opacity: 1;
}

@media (min-width: 820px) {
  .page-faq .faq-hero {
    padding: 56px 0 72px;
  }

  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-sec {
    padding: 72px 0;
  }

  .page-faq .steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    margin-bottom: 44px;
  }

  .page-faq .steps__item {
    padding: 62px 0 0;
  }

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

  .page-faq .steps__item:not(:last-child)::before {
    left: 56px;
    right: -32px;
    top: 23px;
    bottom: auto;
    border-left: 0;
    border-top: 2px dashed var(--beige);
  }

  .page-faq .steps__desc {
    font-size: 15px;
  }

  .page-faq .need-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 56px;
  }
}

@media (min-width: 960px) {
  .page-faq .qa-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .qa-side {
    position: sticky;
    top: 24px;
  }

  .page-faq .topic-list {
    display: grid;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .topic-list a {
    padding: 12px 14px;
    white-space: normal;
  }

  .page-faq .qa summary {
    font-size: 17.5px;
    padding: 22px 52px 22px 18px;
  }

  .page-faq .qa__a {
    padding: 4px 24px 24px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .steps__hint,
  .page-faq .topic-list a,
  .page-faq .qa summary,
  .page-faq .faq-jump a {
    transition: none;
  }
}
<<<END>>>