.page-faq {
  --faq-rule: rgba(13, 43, 36, 0.14);
  --faq-soft: rgba(198, 161, 91, 0.1);
  --faq-accent: var(--gold-500);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--body-w);
  margin-inline: auto;
  padding: 20px 20px 64px;
}

.page-faq .faq-shell > *,
.page-faq .faq-hero > *,
.page-faq .faq-group > *,
.page-faq .faq-more > * {
  min-width: 0;
}

.page-faq .crumbs {
  margin-bottom: 6px;
}

/* ---------- 首屏：目录 + 搜索 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding: 26px 0 36px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.2vw, 3rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--green-900);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-index {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 2px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--green-700);
  padding-left: 10px;
}

.page-faq .faq-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold-500);
}

.page-faq .faq-index a:hover .faq-index__num {
  color: var(--amber-400);
}

.page-faq .faq-search {
  align-self: start;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--faq-rule);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-search__media img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.03);
}

.page-faq .faq-search__box {
  padding: 20px 20px 22px;
  border-top: 3px solid var(--green-700);
}

.page-faq .faq-search__box label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--green-700);
}

.page-faq .faq-search__box input {
  width: 100%;
  margin-top: 10px;
  padding: 11px 13px;
  border: 1px solid var(--stone-300);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.4;
}

.page-faq .faq-search__box input::placeholder {
  color: rgba(70, 87, 79, 0.72);
}

.page-faq .faq-search__box input:focus-visible {
  outline: 2px solid var(--amber-400);
  outline-offset: 1px;
  border-color: var(--gold-500);
}

.page-faq .faq-search__hint {
  margin: 11px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  display: grid;
  gap: 22px;
  padding: 38px 0;
  border-bottom: 1px solid var(--faq-rule);
  scroll-margin-top: 76px;
}

.page-faq #g-center {
  --faq-accent: var(--teal-800);
}

.page-faq #g-record {
  --faq-accent: var(--indigo-800);
}

.page-faq #g-version {
  --faq-accent: var(--wine-700);
}

.page-faq #g-support {
  --faq-accent: var(--green-700);
}

.page-faq .faq-group__head {
  border-left: 3px solid var(--faq-accent);
  padding-left: 16px;
}

.page-faq .faq-group__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--faq-accent);
}

.page-faq .faq-group__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.35rem;
  line-height: 1.32;
  color: var(--green-900);
}

.page-faq .faq-group__head p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-group__figure {
  margin: 18px 0 0;
}

.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--faq-rule);
  border-radius: 2px;
  object-fit: cover;
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  background: transparent;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .qa:first-child {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .qa summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 42px 16px 12px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

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

.page-faq .qa summary:hover {
  background: var(--faq-soft);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--amber-400);
  outline-offset: -2px;
}

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold-500);
  transition: color 0.18s var(--ease);
}

.page-faq .qa[open] summary {
  color: var(--green-700);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--amber-400);
}

.page-faq .qa__n {
  flex: 0 0 auto;
  min-width: 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold-500);
}

.page-faq .qa__body {
  padding: 0 42px 20px 54px;
  border-left: 2px solid var(--faq-accent);
  margin-left: 0;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

.page-faq .qa-steps {
  list-style: none;
  margin: 2px 0 12px;
  padding: 0;
  counter-reset: qa-step;
}

.page-faq .qa-steps li {
  counter-increment: qa-step;
  position: relative;
  padding-left: 30px;
  margin-bottom: 7px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .qa-steps li::before {
  content: counter(qa-step);
  position: absolute;
  left: 0;
  top: 4px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold-500);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--green-700);
}

/* ---------- 更多帮助 ---------- */
.page-faq .faq-more {
  display: grid;
  gap: 26px;
  margin-top: 40px;
  padding: 28px 22px 32px;
  border-radius: 3px;
}

.page-faq .faq-more h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-more__intro p:not(.eyebrow) {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist-200);
}

.page-faq .faq-more__links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(199, 211, 206, 0.26);
}

.page-faq .faq-more__links li {
  border-bottom: 1px solid rgba(199, 211, 206, 0.26);
}

.page-faq .faq-more__links a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 2px;
  color: var(--paper);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-faq .faq-more__links a:hover,
.page-faq .faq-more__links a:focus-visible {
  color: var(--amber-400);
  padding-left: 8px;
}

.page-faq .faq-more__links span {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold-500);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-index {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 28px;
  }

  .page-faq .faq-search__media img {
    height: 196px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    padding: 28px 32px 80px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
    padding: 44px 0 56px;
  }

  .page-faq .faq-search__media img {
    height: 210px;
  }

  .page-faq .faq-group {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 52px;
    padding: 56px 0;
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-faq .qa summary {
    padding: 18px 44px 18px 14px;
    font-size: 16.5px;
  }

  .page-faq .qa__body {
    padding: 0 44px 22px 56px;
  }

  .page-faq .faq-more {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 44px;
    align-items: start;
    margin-top: 56px;
    padding: 42px 40px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa summary,
  .page-faq .qa summary::after,
  .page-faq .faq-index a,
  .page-faq .faq-more__links a {
    transition: none;
  }
}
<<<END>>>