.page-faq {
  --faq-text-soft: #2C3B4F;
  --faq-rule: #D8D2C4;
  --faq-gold-wash: rgba(201, 162, 39, .10);
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq .crumb {
  padding: 26px 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 52px;
  background:
    radial-gradient(120% 90% at 100% 0%, var(--faq-gold-wash) 0%, rgba(201, 162, 39, 0) 58%),
    var(--paper);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 12px 0 18px;
  max-width: 16em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-text-soft);
}

.page-faq .faq-facts {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--edge);
}

.page-faq .faq-facts__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-facts dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cool);
}

.page-faq .faq-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--gold-dark);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  padding: 60px 0 68px;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(
    112deg,
    rgba(255, 255, 255, .022) 0 1px,
    rgba(255, 255, 255, 0) 1px 10px
  );
  color: var(--text-on-ink);
}

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

.page-faq .faq-steps__head {
  max-width: 46em;
}

.page-faq .faq-steps__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 36px);
  line-height: 1.25;
  margin: 12px 0 14px;
  color: var(--text-on-ink-strong);
}

.page-faq .faq-steps__note {
  margin: 0;
  font-size: 15px;
  color: var(--text-on-ink);
}

.page-faq .faq-steps__figure {
  margin: 34px 0 8px;
}

.page-faq .faq-steps__figure .figure__frame {
  border-color: rgba(36, 56, 79, .9);
}

.page-faq .faq-steps__figure .figure__cap {
  color: var(--cool);
  font-size: 13px;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 26px 0;
  border-top: 1px solid rgba(36, 56, 79, .85);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid rgba(36, 56, 79, .85);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--gold);
  opacity: .92;
}

.page-faq .faq-step__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  margin: 4px 0 10px;
  color: var(--text-on-ink-strong);
}

.page-faq .faq-step__body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-on-ink);
  max-width: 46em;
}

.page-faq .faq-step .btn {
  margin-top: 2px;
}

/* ---------- 问答双栏 ---------- */
.page-faq .faq-body {
  padding: 56px 0 64px;
  background: var(--paper);
}

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

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cool);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid var(--edge);
  font-size: 14px;
  color: var(--cool);
  text-decoration: none;
  transition: color .15s ease-out, border-color .15s ease-out;
}

.page-faq .faq-index__list a .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-dark);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 22px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 44px;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  color: var(--ink);
  transition: border-color .18s ease-out;
}

.page-faq .faq-group__title .num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold-dark);
}

.page-faq .faq-group:target .faq-group__title {
  border-bottom-color: var(--gold);
}

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

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink);
  transition: color .15s ease-out;
}

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

.page-faq .faq-item__q::before {
  content: "";
  flex: none;
  width: 0;
  height: 0;
  margin-top: 9px;
  border-left: 7px solid var(--gold);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform-origin: 22% 50%;
  transition: transform .18s cubic-bezier(.2, .7, .3, 1);
}

.page-faq .faq-item[open] > .faq-item__q::before {
  transform: rotate(90deg);
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--gold-dark);
}

.page-faq .faq-item__a {
  padding: 0 0 22px 21px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-text-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 44em;
}

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

.page-faq .faq-android__figure {
  margin: 22px 0 6px;
  max-width: 320px;
}

.page-faq .faq-android__figure .figure__cap {
  font-size: 13px;
  color: var(--cool);
}

/* ---------- 术语对照表 ---------- */
.page-faq .faq-glossary {
  padding: 56px 0 64px;
  background: var(--sand);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-glossary__head {
  max-width: 44em;
  margin-bottom: 26px;
}

.page-faq .faq-glossary__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.28;
  margin: 12px 0 12px;
  color: var(--ink);
}

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

.page-faq .faq-table-wrap {
  max-height: 64vh;
  overflow: auto;
  border: 1px solid var(--edge);
  background: var(--paper);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-table tbody th {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  text-align: left;
  white-space: nowrap;
}

.page-faq .faq-table td,
.page-faq .faq-table tbody th {
  padding: 14px 16px;
  border-bottom: 1px solid var(--edge);
  vertical-align: top;
  line-height: 1.75;
}

.page-faq .faq-table tbody td:nth-child(2) {
  color: var(--faq-text-soft);
}

.page-faq .faq-table tbody td:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-dark);
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(245, 241, 232, .55);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(201, 162, 39, .09);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 求助 ---------- */
.page-faq .faq-help {
  padding: 58px 0 64px;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(
    112deg,
    rgba(255, 255, 255, .022) 0 1px,
    rgba(255, 255, 255, 0) 1px 10px
  );
  color: var(--text-on-ink);
}

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

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

.page-faq .faq-help__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4.2vw, 32px);
  line-height: 1.28;
  margin: 12px 0 14px;
  color: var(--text-on-ink-strong);
}

.page-faq .faq-help__text p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  max-width: 46em;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: end;
    gap: 44px;
  }

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

  .page-faq .faq-facts__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    border-bottom: 0;
    padding: 16px 0;
  }

  .page-faq .faq-step__num {
    font-size: 46px;
  }

  .page-faq .faq-step__title {
    font-size: 22px;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 40px;
  }

  .page-faq .faq-help__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 960px) {
  .page-faq {
    font-size: 16px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-faq .faq-index__list {
    display: block;
    border-left: 1px solid var(--edge);
    gap: 0;
  }

  .page-faq .faq-index__list li + li {
    border-top: 1px solid var(--edge);
  }

  .page-faq .faq-index__list a {
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 11px 0 11px 14px;
    transition: color .15s ease-out, border-color .15s ease-out;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--gold);
    border-bottom-color: transparent;
  }

  .page-faq .faq-group__title {
    font-size: 26px;
  }

  .page-faq .faq-item__q {
    font-size: 17px;
    padding: 20px 0;
  }

  .page-faq .faq-item__a {
    font-size: 15.5px;
    padding-left: 21px;
    max-width: 62em;
  }
}
<<<END>>>