.page-faq {
  --faq-ink: #232B31;
  --faq-ink-soft: #4A565F;
  --faq-card: #FFFFFF;
  --faq-line: rgba(30, 37, 43, 0.14);
  --faq-line-soft: rgba(30, 37, 43, 0.08);
  background-color: var(--paper);
  color: var(--faq-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2 {
  margin: 0;
  line-height: 1.15;
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--read-orange);
}

/* ---------- 顶部横幅 ---------- */
.page-faq .faq-mast {
  position: relative;
  padding: 22px 0 44px;
  background-color: var(--charcoal);
  color: var(--ink-strong);
  overflow: hidden;
}

.page-faq .faq-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(195, 210, 222, 0.07) 0 1px, transparent 1px 20px),
    radial-gradient(120% 100% at 88% -10%, rgba(255, 90, 31, 0.26), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(31, 75, 63, 0.5), transparent 65%);
  pointer-events: none;
}

.page-faq .faq-mast__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.page-faq .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--ink-dim);
}

.page-faq .breadcrumb__link {
  color: var(--ink-base);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover {
  color: var(--pulse-orange);
}

.page-faq .faq-mast__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pulse-orange);
  margin-bottom: 14px;
}

.page-faq .faq-mast h1 {
  font-size: clamp(32px, 7.4vw, 64px);
  font-weight: 900;
  letter-spacing: -0.01em;
  max-width: 14em;
}

.page-faq .faq-mast__lead {
  margin-top: 20px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-base);
}

.page-faq .faq-mast__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-mast__quick a {
  display: inline-block;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-strong);
  text-decoration: none;
  background-color: rgba(30, 37, 43, 0.7);
  border: 1px solid var(--line-soft);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-faq .faq-mast__quick a:hover,
.page-faq .faq-mast__quick a:focus-visible {
  color: var(--charcoal);
  background-color: var(--pulse-orange);
  border-color: var(--pulse-orange);
}

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

.page-faq .faq-mast__figure .figure__caption {
  color: var(--ink-muted);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 34px;
  padding-bottom: 64px;
}

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

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  border-left: 3px solid var(--charcoal);
  padding: 2px 0 2px 16px;
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 10px;
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  font-size: 15px;
  color: var(--faq-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--read-orange);
}

.page-faq .faq-index__count {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--steel);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--read-orange);
}

.page-faq .faq-index__link:hover .faq-index__count,
.page-faq .faq-index__link:focus-visible .faq-index__count {
  color: var(--pulse-orange);
}

.page-faq .faq-index__foot {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: 44px;
  padding-top: 34px;
  border-top: 6px solid rgba(195, 210, 222, 0.55);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  align-items: center;
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
  border: 1px solid rgba(31, 75, 63, 0.35);
  padding: 4px 8px;
  line-height: 1.2;
}

.page-faq .faq-group__head h2 {
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__intro {
  grid-column: 1 / -1;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  max-width: 46em;
}

.page-faq .faq-group:target .faq-group__num {
  color: var(--paper);
  background-color: var(--pulse-orange);
  border-color: var(--pulse-orange);
}

/* ---------- 数据条 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 22px;
  background-color: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-stats__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background-color: var(--paper);
}

.page-faq .faq-stats__num {
  font-family: var(--font-num);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--pulse-orange);
}

.page-faq .faq-stats__cell:nth-child(even) .faq-stats__num {
  color: var(--moss-bright);
}

.page-faq .faq-stats__unit {
  font-size: 16px;
  margin-left: 2px;
}

.page-faq .faq-stats__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--faq-ink-soft);
}

/* ---------- 问答卡 ---------- */
.page-faq .qa {
  position: relative;
  margin-bottom: 12px;
  background-color: var(--faq-card);
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

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

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 20px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
  color: var(--faq-ink);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--steel);
}

.page-faq .qa[open] .qa__q {
  box-shadow: inset 3px 0 0 var(--pulse-orange);
  color: var(--charcoal);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
  color: var(--read-orange);
}

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  background-color: rgba(255, 90, 31, 0.06);
}

.page-faq .qa__mark {
  flex: none;
  margin-top: 3px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.3;
  color: var(--read-orange);
  border: 1px solid rgba(194, 65, 12, 0.4);
}

.page-faq .qa__a {
  padding: 0 20px 20px 20px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa__link {
  color: var(--read-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 分组配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
  max-width: 380px;
}

.page-faq .faq-figure .figure__caption {
  color: var(--faq-ink-soft);
}

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

/* ---------- 底部联系条 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: 46px;
  padding: 26px 22px;
  background-color: var(--graphite);
  color: var(--ink-strong);
  border-left: 4px solid var(--pulse-orange);
}

.page-faq .faq-cta__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 8px;
}

.page-faq .faq-cta h2 {
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 900;
  margin-bottom: 10px;
}

.page-faq .faq-cta__copy p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-base);
}

.page-faq .faq-cta__copy strong {
  color: var(--ink-strong);
  font-weight: 600;
  word-break: break-word;
}

.page-faq .faq-cta__btn {
  justify-self: start;
  text-decoration: none;
}

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

  .page-faq .faq-mast {
    padding: 26px 0 56px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-mast__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
    gap: 40px;
  }

  .page-faq .faq-mast__copy {
    padding-bottom: 6px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 32px 30px;
  }

  .page-faq .faq-cta__btn {
    justify-self: end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 292px minmax(0, 1fr);
    gap: 56px;
    padding-top: 52px;
    padding-bottom: 88px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .qa__q {
    padding: 19px 24px;
  }

  .page-faq .qa__a {
    padding: 0 24px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__q:hover,
  .page-faq .qa__q:focus-visible {
    background-color: transparent;
  }
}
<<<END>>>