.page-faq {
  background: var(--ink);
  color: var(--body-c);
}

.page-faq .crumbs {
  padding-block: 18px 0;
}

.page-faq a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(20px, 4vw, 48px);
}

.page-faq .faq-hero__inner {
  position: relative;
  padding: clamp(26px, 5vw, 60px) clamp(20px, 4vw, 52px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 88% -10%, rgba(198, 255, 61, 0.12), transparent 62%),
    radial-gradient(80% 90% at 0% 110%, rgba(255, 122, 41, 0.1), transparent 58%),
    var(--stand);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
}

.page-faq .faq-hero__title.display {
  font-size: clamp(34px, 7.2vw, 72px);
  line-height: 1.04;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin-top: 20px;
  max-width: 34em;
  color: var(--body-c);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero__meta-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-hero__meta-v {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

@media (min-width: 640px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 区块标题 ---------- */
.page-faq .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-faq .sec-head .h2 {
  margin: 0;
  color: var(--paper);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  background: var(--steel);
  overflow: hidden;
}

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

/* ---------- 三步上手 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .step {
  position: relative;
  padding: 20px 20px 24px;
  background: var(--steel);
  border: 1px solid var(--line);
}

.page-faq .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-faq .step__title {
  margin: 14px 0 8px;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .steps__hint {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .step + .step::before {
    content: "→";
    position: absolute;
    left: -19px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--orange);
  }
}

/* ---------- 主体：索引柱 + 答案 ---------- */
.page-faq .faq-body__title {
  margin: 0 0 22px;
  color: var(--paper);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-index {
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  background: var(--stand);
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 10px 8px;
  border-left: 2px solid transparent;
  color: var(--body-c);
  text-decoration: none;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--neon);
  background: rgba(198, 255, 61, 0.07);
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color var(--dur-fast);
}

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

.page-faq .faq-index__text {
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }
}

/* ---------- 答案块 ---------- */
.page-faq .qa {
  position: relative;
  padding: 22px 0 26px 16px;
  border-top: 1px solid var(--line);
  transition: background var(--dur-fast), box-shadow var(--dur-fast);
}

.page-faq .qa:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .qa:target {
  background: rgba(22, 34, 58, 0.55);
  box-shadow: inset 2px 0 0 var(--neon);
}

.page-faq .qa__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 12px;
}

.page-faq .qa__num {
  flex: none;
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
}

.page-faq .qa:target .qa__num {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

.page-faq .qa__title {
  flex: 1 1 220px;
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .qa__coord {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
}

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

.page-faq .qa__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .qa__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-faq .qa__list strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .qa__foot {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .qa a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
}

.page-faq .qa a:hover {
  border-bottom-color: var(--neon);
  background: rgba(198, 255, 61, 0.08);
}

.page-faq .qa__body--split {
  display: grid;
  gap: 18px;
}

.page-faq .qa__body--split .faq-figure {
  margin: 0;
}

@media (min-width: 860px) {
  .page-faq .qa__body--split {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 28px;
    align-items: start;
  }
}

/* ---------- 收尾条 ---------- */
.page-faq .faq-cta {
  margin-top: 32px;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(100deg, rgba(198, 255, 61, 0.09), transparent 58%),
    var(--stand);
  display: grid;
  gap: 16px;
}

.page-faq .faq-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-index__num,
  .page-faq .qa,
  .page-faq .qa__num {
    transition: none;
  }
}
<<<END>>>