.page-faq {
  background: var(--ink);
  color: var(--cream);
  --faq-card: rgba(44, 54, 52, .52);
  --faq-text: rgba(243, 238, 226, .8);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  isolation: isolate;
}

.page-faq .faq-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  opacity: .4;
  filter: saturate(.62) contrast(1.1);
  display: block;
}

.page-faq .faq-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(8, 32, 27, .96) 0%, rgba(8, 32, 27, .76) 46%, rgba(4, 18, 15, .95) 100%),
    radial-gradient(120% 90% at 10% 0%, rgba(43, 227, 201, .16), transparent 62%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46px;
  background: var(--ink);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 2;
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 78px);
  padding-bottom: 104px;
}

.page-faq .breadcrumb {
  margin-bottom: 22px;
}

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

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-size: var(--s34);
  line-height: 1.22;
  letter-spacing: -0.01em;
  font-weight: 800;
  max-width: 22ch;
  color: var(--cream);
}

.page-faq .faq-hero-lede {
  margin: 0;
  max-width: 60ch;
  font-size: var(--s17);
  line-height: 1.85;
  color: var(--faq-text);
}

.page-faq .faq-hero-tags {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 三步走 ---------- */
.page-faq .faq-steps {
  border-top: 0;
}

.page-faq .faq-steps-flow {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 30px;
}

.page-faq .faq-step {
  position: relative;
  padding: 36px 20px 24px;
  background: linear-gradient(180deg, rgba(62, 107, 82, .24), rgba(44, 54, 52, .3));
  border: 1px solid var(--line-soft);
}

.page-faq .faq-step-num {
  position: absolute;
  top: -17px;
  left: 20px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--neon);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: var(--s13);
  font-weight: 700;
  box-shadow: 0 0 0 5px var(--ink);
}

.page-faq .faq-step-title {
  margin: 0 0 10px;
  font-size: var(--s20);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: var(--s15);
  line-height: 1.8;
  color: var(--faq-text);
}

/* ---------- 索引手册 ---------- */
.page-faq .faq-index-grid {
  align-items: start;
}

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

.page-faq .faq-index-head {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--s12);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-faq .faq-index-list li + li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 12px 13px 16px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: var(--s15);
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--cream);
  border-left-color: var(--neon);
  background: rgba(43, 227, 201, .07);
  outline: none;
}

.page-faq .faq-index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--s12);
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

/* ---------- 答案卡片 ---------- */
.page-faq .faq-answers .accordion-item {
  position: relative;
  margin-bottom: 14px;
  background: var(--faq-card);
  border: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-faq .faq-answers .accordion-item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  height: 3px;
  width: var(--step-w, 40%);
  background: linear-gradient(90deg, var(--neon), var(--orange));
  pointer-events: none;
}

.page-faq .accordion-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .accordion-trigger {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 21px 20px;
  background: transparent;
  border: 0;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: var(--s17);
  font-weight: 700;
  line-height: 1.45;
  text-align: left;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: background-color .2s ease;
}

.page-faq .accordion-trigger:hover {
  background: rgba(43, 227, 201, .05);
}

.page-faq .accordion-trigger:focus-visible {
  outline: 1px solid var(--neon);
  outline-offset: -2px;
}

.page-faq .accordion-index {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--s13);
  font-weight: 500;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-faq .accordion-title {
  flex: 1 1 auto;
}

.page-faq .accordion-icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .accordion-icon::before,
.page-faq .accordion-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--neon);
  transition: transform .22s ease;
}

.page-faq .accordion-icon::before {
  width: 8px;
  height: 1px;
  transform: translate(-50%, -50%);
}

.page-faq .accordion-icon::after {
  width: 1px;
  height: 8px;
  transform: translate(-50%, -50%);
}

.page-faq .accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .accordion-trigger[aria-expanded="true"] {
  background: rgba(43, 227, 201, .06);
}

/* ---------- 面板内容 ---------- */
.page-faq .accordion-panel-inner {
  padding: 2px 20px 24px;
  font-size: var(--s15);
  line-height: 1.82;
  color: var(--faq-text);
}

.page-faq .accordion-panel-inner p {
  margin: 0 0 14px;
  max-width: 68ch;
}

.page-faq .accordion-panel-inner p:last-child {
  margin-bottom: 0;
}

.page-faq .accordion-panel-inner strong {
  color: var(--cream);
  font-weight: 700;
}

.page-faq .faq-path {
  margin: 18px 0 8px;
  padding-left: 10px;
  border-left: 2px solid var(--clay);
  font-family: var(--font-mono);
  font-size: var(--s13);
  letter-spacing: .06em;
  color: var(--cream);
}

.page-faq .faq-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  max-width: 68ch;
  line-height: 1.8;
}

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

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-faq .faq-field-figure {
  margin: 4px 0 20px;
}

.page-faq .faq-field-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-field-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
  font-size: var(--s15);
}

.page-faq .faq-field-table th,
.page-faq .faq-field-table td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.7;
}

.page-faq .faq-field-table th {
  font-family: var(--font-mono);
  font-size: var(--s12);
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--mist);
  border-bottom-color: var(--line);
}

.page-faq .faq-field-table td:first-child {
  width: 32%;
  white-space: nowrap;
}

.page-faq .faq-field {
  font-family: var(--font-mono);
  font-size: var(--s13);
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-more {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 138, 61, .42);
  font-family: var(--font-mono);
  font-size: var(--s13);
  letter-spacing: .04em;
  color: var(--orange);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-more:hover,
.page-faq .faq-more:focus-visible {
  color: #FFA867;
  border-bottom-color: #FFA867;
  outline: none;
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta-inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-cta-title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: var(--s24);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--cream);
  max-width: 26ch;
}

.page-faq .faq-cta-text {
  margin: 0;
  max-width: 56ch;
  font-size: var(--s15);
  line-height: 1.82;
  color: var(--faq-text);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .page-faq .faq-index-rail {
    position: static;
    margin-bottom: 8px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-steps-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 34px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero h1 {
    font-size: var(--s52);
  }

  .page-faq .faq-hero-inner {
    padding-top: calc(var(--header-h) + 104px);
    padding-bottom: 132px;
  }

  .page-faq .faq-cta-inner {
    grid-template-columns: 1.25fr .75fr;
    gap: 48px;
  }

  .page-faq .faq-cta-actions {
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero-inner {
    padding-top: calc(var(--header-h) + 44px);
    padding-bottom: 66px;
  }

  .page-faq .faq-hero::after {
    height: 26px;
  }

  .page-faq .faq-hero-lede {
    font-size: var(--s15);
  }

  .page-faq .faq-hero-tags {
    margin-top: 22px;
  }

  .page-faq .accordion-trigger {
    gap: 11px;
    padding: 17px 14px;
    font-size: var(--s15);
  }

  .page-faq .accordion-panel-inner {
    padding: 0 14px 20px;
  }

  .page-faq .faq-field-table td:first-child {
    width: 40%;
    white-space: normal;
  }

  .page-faq .faq-field-table th,
  .page-faq .faq-field-table td {
    padding: 9px 8px;
    font-size: var(--s13);
  }

  .page-faq .faq-cta-title {
    font-size: var(--s20);
  }

  .page-faq .faq-cta-actions .btn {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-list a,
  .page-faq .accordion-trigger,
  .page-faq .accordion-icon::before,
  .page-faq .accordion-icon::after,
  .page-faq .faq-more {
    transition: none;
  }
}
<<<END>>>

.page-faq {
  --step-w: 1rem;
}