.page-faq {
  --faq-ink-line: rgba(147, 165, 187, 0.18);
  --faq-paper-line: rgba(33, 26, 20, 0.14);
  --faq-paper-soft: rgba(33, 26, 20, 0.05);
}

/* ============ HERO ============ */
.page-faq .faq-hero {
  position: relative;
  background: var(--ink);
  color: var(--text);
  padding: 88px 0 84px;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-ink-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(147, 165, 187, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 165, 187, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -180px;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(32, 196, 201, 0.16) 0%, transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-faq .faq-hero-copy .eyebrow {
  margin-bottom: 20px;
}

.page-faq .faq-hero-copy h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 24px;
  max-width: 15em;
}

.page-faq .faq-hero-copy .lede {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin: 0 0 32px;
  max-width: 40em;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--faq-ink-line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-faq .faq-hero-pulse {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 72px;
  display: block;
  opacity: 0.85;
  pointer-events: none;
}

/* ============ 分类导航 ============ */
.page-faq .faq-cats {
  background: var(--ink-2);
  border-bottom: 1px solid var(--faq-ink-line);
}

.page-faq .faq-cats-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-ink-line);
  border-left: 1px solid var(--faq-ink-line);
  border-right: 1px solid var(--faq-ink-line);
}

.page-faq .faq-cat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 18px;
  background: var(--ink-2);
  text-decoration: none;
  color: var(--text-dim);
  transition: background 200ms var(--ease), color 200ms var(--ease);
  min-height: 68px;
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-cat:hover .faq-cat-icon,
.page-faq .faq-cat:focus-visible .faq-cat-icon {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-cat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border: 1px solid rgba(147, 165, 187, 0.34);
  color: var(--red-lite);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-cat-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
  letter-spacing: 0.06em;
}

.page-faq .faq-cat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: inherit;
  white-space: nowrap;
}

/* ============ 奶油纸白长文区 ============ */
.page-faq .faq-paper {
  background: var(--cream);
  color: var(--paper-ink);
}

.page-faq .faq-group {
  padding: 68px 0 12px;
  border-bottom: 1px solid var(--faq-paper-line);
}

.page-faq .faq-group:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 22px;
  align-items: start;
  margin-bottom: 34px;
}

.page-faq .faq-group-idx {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 700;
  color: var(--red);
  padding-top: 6px;
  letter-spacing: -0.02em;
}

.page-faq .faq-group-head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
  margin: 0 0 10px;
}

.page-faq .faq-group-head p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--paper-dim);
  margin: 0;
  max-width: 46em;
}

.page-faq .faq-list {
  border-top: 1px solid var(--faq-paper-line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-paper-line);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: background 180ms var(--ease);
}

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

.page-faq .qa > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--ochre);
  transition: transform 200ms var(--ease), color 200ms var(--ease);
  align-self: center;
}

.page-faq .qa[open] > summary::after {
  content: "\2212";
  color: var(--red);
}

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

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

.page-faq .qa-idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--paper-dim);
  white-space: nowrap;
  padding-top: 3px;
}

.page-faq .qa-q {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper-ink);
}

.page-faq .qa[open] .qa-q {
  color: var(--red);
}

.page-faq .qa-a {
  padding: 0 4px 24px 0;
}

.page-faq .qa-a p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--paper-dim);
  max-width: 62em;
}

.page-faq .qa-a a {
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--red);
  padding-bottom: 1px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .qa-a a:hover {
  color: var(--red);
}

/* ============ 三步帮助文档 ============ */
.page-faq .faq-steps {
  padding: 76px 0 88px;
  border-top: 1px solid var(--faq-paper-line);
}

.page-faq .faq-steps-head {
  margin-bottom: 44px;
}

.page-faq .faq-steps-head .eyebrow--paper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ochre);
  margin: 0 0 16px;
}

.page-faq .faq-steps-head .eyebrow--paper::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--ochre);
}

.page-faq .faq-steps-head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.8vw, 2.3rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--paper-ink);
  margin: 0 0 16px;
}

.page-faq .faq-steps-lede {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper-dim);
  margin: 0;
  max-width: 52em;
}

.page-faq .faq-steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-faq .faq-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  position: relative;
}

.page-faq .faq-node {
  position: relative;
  padding-left: 46px;
  padding-bottom: 26px;
}

.page-faq .faq-node::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 6px;
  bottom: -6px;
  width: 1px;
  background: rgba(201, 122, 60, 0.4);
}

.page-faq .faq-node:last-child {
  padding-bottom: 0;
}

.page-faq .faq-node:last-child::before {
  display: none;
}

.page-faq .faq-node > details > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  position: relative;
}

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

.page-faq .faq-node > details > summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

.page-faq .faq-node-num {
  position: absolute;
  left: -46px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  background: var(--cream);
  color: var(--paper-ink);
  border: 1px solid rgba(201, 122, 60, 0.75);
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-faq .faq-node details[open] .faq-node-num {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-node-main {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-faq .faq-node-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--paper-ink);
  letter-spacing: -0.01em;
}

.page-faq .faq-node-hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ochre);
}

.page-faq .faq-node-body {
  padding: 16px 0 4px;
}

.page-faq .faq-node-body p {
  margin: 0 0 14px;
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--paper-dim);
  max-width: 46em;
}

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

.page-faq .faq-node-checks li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--paper-ink);
}

.page-faq .faq-node-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 1px;
  background: var(--ochre);
}

.page-faq .faq-steps-figure {
  margin: 0;
  border: 1px solid var(--faq-paper-line);
  background: rgba(33, 26, 20, 0.04);
  overflow: hidden;
  align-self: start;
}

.page-faq .faq-steps-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
}

/* ============ 咨询收尾 ============ */
.page-faq .faq-cta {
  background: var(--ink);
  color: var(--text);
  padding: 76px 0 84px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red) 0%, var(--ochre) 48%, var(--cyan) 100%);
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: -140px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(226, 58, 46, 0.16) 0%, transparent 64%);
  pointer-events: none;
}

.page-faq .faq-cta-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-faq .faq-cta-copy .eyebrow {
  margin-bottom: 18px;
}

.page-faq .faq-cta-copy h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.6vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0 0 18px;
}

.page-faq .faq-cta-copy p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-dim);
  margin: 0 0 28px;
  max-width: 40em;
}

.page-faq .faq-cta-list {
  background: var(--ink-2);
  border: 1px solid var(--faq-ink-line);
  padding: 26px 24px;
}

.page-faq .faq-cta-list-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-ink-line);
}

.page-faq .faq-cta-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-cta-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-cta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-cats-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 108px 0 96px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 6fr 7fr;
    gap: 64px;
  }

  .page-faq .faq-cats-inner {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .faq-group {
    padding: 88px 0 20px;
  }

  .page-faq .faq-steps {
    padding: 96px 0 104px;
  }

  .page-faq .faq-steps-grid {
    grid-template-columns: 7fr 4fr;
    gap: 72px;
    align-items: start;
  }

  .page-faq .faq-cta {
    padding: 96px 0 104px;
  }

  .page-faq .faq-cta-grid {
    grid-template-columns: 6fr 5fr;
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group-head {
    grid-template-columns: auto 1fr;
    gap: 22px 40px;
  }

  .page-faq .faq-group-idx {
    font-size: 1.9rem;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-cat {
    padding: 14px 14px;
    gap: 10px;
    min-height: 60px;
  }

  .page-faq .faq-cat-icon {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
  }

  .page-faq .faq-cat-label {
    font-size: 0.875rem;
  }

  .page-faq .faq-node {
    padding-left: 38px;
  }

  .page-faq .faq-node > details > summary {
    gap: 12px;
  }

  .page-faq .faq-node-num {
    left: -38px;
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .page-faq .qa > summary {
    grid-template-columns: 1fr auto;
    gap: 8px 12px;
  }

  .page-faq .qa-idx {
    grid-column: 1 / -1;
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero-pulse {
    opacity: 0.5;
  }

  .page-faq .qa > summary::after,
  .page-faq .faq-node-num,
  .page-faq .faq-cat,
  .page-faq .faq-cat-icon {
    transition: none;
  }
}
<<<END>>>