.page-faq {
  --qa-gap: clamp(16px, 2.2vw, 24px);
  --topic-color: var(--cyan);
  background: var(--space);
}

/* ---------- 首屏 ---------- */
.page-faq .qa-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(48px, 6vw, 80px);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(0, 229, 208, 0.1) 0%, transparent 58%),
    linear-gradient(168deg, var(--space) 0%, var(--night) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0 25%, var(--lime) 25% 50%, var(--rose) 50% 75%, var(--cyan) 75% 100%);
  opacity: 0.85;
}

.page-faq .qa-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-faq .qa-hero-grid {
  display: grid;
  gap: var(--qa-gap);
}

.page-faq .qa-hero-main h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: clamp(2.1rem, 6.4vw, 4.6rem);
  line-height: 1.04;
  color: var(--paper);
  margin: 12px 0 0;
  max-width: 14ch;
}

.page-faq .qa-hero-lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .qa-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .qa-hero-aside {
  border-top: 2px solid var(--line-cyan);
  padding-top: 18px;
}

.page-faq .qa-hero-aside .annotation {
  color: var(--haze);
  margin: 0 0 14px;
}

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

.page-faq .qa-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 0.86rem;
  color: var(--text-dim);
}

.page-faq .qa-hero-stats li:last-child {
  border-bottom: 0;
}

.page-faq .qa-hero-stats .data-num {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--cyan);
  min-width: 2.4ch;
}

/* ---------- 主题索引 ---------- */
.page-faq .qa-topics {
  background: linear-gradient(180deg, var(--night) 0%, var(--space) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .qa-topics-note {
  margin: 14px 0 0;
  max-width: 66ch;
  color: var(--text-dim);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-faq .qa-topics-figure {
  margin: 28px 0 32px;
}

.page-faq .qa-topic-grid {
  display: grid;
  gap: var(--qa-gap);
  grid-template-columns: 1fr;
}

.page-faq .qa-topic-card {
  --topic-color: var(--cyan);
  position: relative;
  padding: 24px 20px 20px;
  background: var(--paper);
  border: 1px solid var(--black);
  box-shadow: var(--shadow-paper);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.page-faq .qa-topic-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--topic-color);
}

.page-faq .qa-topic-card:hover,
.page-faq .qa-topic-card:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(3, 10, 20, 0.6);
}

.page-faq .qa-topic-card--entrance { --topic-color: var(--amber); }
.page-faq .qa-topic-card--reports  { --topic-color: var(--lime); }
.page-faq .qa-topic-card--fees     { --topic-color: var(--rose); }
.page-faq .qa-topic-card--compare  { --topic-color: var(--cyan); }

.page-faq .qa-topic-card h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .qa-topic-card h3 a {
  color: var(--black);
  text-decoration: none;
  border-bottom: 2px solid var(--topic-color);
}

.page-faq .qa-topic-card h3 a:hover,
.page-faq .qa-topic-card h3 a:focus-visible {
  background: var(--turq);
}

.page-faq .qa-topic-count {
  margin: 10px 0 0;
  font-size: 0.84rem;
  color: #5A5F6B;
}

.page-faq .qa-topic-count .data-num {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--wine);
}

.page-faq .qa-topic-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(10, 12, 16, 0.16);
  display: grid;
  gap: 8px;
}

.page-faq .qa-topic-list li {
  position: relative;
  padding-left: 14px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: #363B45;
}

.page-faq .qa-topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--topic-color);
}

/* ---------- 问答分区 ---------- */
.page-faq .qa-section {
  padding: clamp(48px, 6vw, 76px) 0 0;
  background: var(--space);
}

.page-faq .qa-section--entrance { --topic-color: var(--amber); }
.page-faq .qa-section--reports  { --topic-color: var(--lime); }
.page-faq .qa-section--fees     { --topic-color: var(--rose); }
.page-faq .qa-section--compare  { --topic-color: var(--cyan); }

.page-faq .qa-section-head {
  border-left: 4px solid var(--topic-color);
  padding-left: 18px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .qa-section-index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 8px;
}

.page-faq .qa-section-num {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--topic-color);
}

.page-faq .qa-section-line {
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: var(--topic-color);
  opacity: 0.5;
}

.page-faq .qa-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.14;
  color: var(--paper);
}

.page-faq .qa-section-desc {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa-item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--topic-color);
  background: rgba(11, 31, 58, 0.6);
  transition: background 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.page-faq .qa-item:hover {
  border-color: var(--line-cyan);
}

.page-faq .qa-item[open] {
  background: var(--paper);
  border-color: var(--black);
  box-shadow: var(--shadow-paper);
}

.page-faq .qa-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  transition: color 200ms ease;
}

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

.page-faq .qa-item > summary::after {
  content: "+";
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--topic-color);
  justify-self: end;
}

.page-faq .qa-item[open] > summary {
  color: var(--black);
}

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

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

.page-faq .qa-num {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 0.8rem;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--topic-color);
  min-width: 2ch;
}

.page-faq .qa-item[open] .qa-num {
  color: var(--wine);
}

.page-faq .qa-a {
  padding: 0 18px 18px 18px;
  color: #2C3038;
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq .qa-a p {
  margin: 0;
}

.page-faq .qa-item[open] > .qa-a {
  animation: qa-answer-in 240ms ease-out both;
}

@keyframes qa-answer-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .qa-inline-figure {
  margin: 32px 0 0;
}

/* ---------- 尾部导流 ---------- */
.page-faq .qa-next {
  padding: clamp(48px, 6vw, 80px) 0;
  margin-top: clamp(48px, 6vw, 80px);
  background: linear-gradient(180deg, var(--space) 0%, var(--night) 100%);
  border-top: 1px solid var(--line);
}

.page-faq .qa-next-grid {
  display: grid;
  gap: var(--qa-gap);
}

.page-faq .qa-next-text {
  margin: 14px 0 24px;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .qa-next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .qa-next-links li {
  border: 1px solid var(--line);
  border-left: 3px solid var(--indigo);
  background: rgba(59, 42, 107, 0.28);
}

.page-faq .qa-next-links li:nth-child(2) { border-left-color: var(--wine); }
.page-faq .qa-next-links li:nth-child(3) { border-left-color: var(--cyan); }
.page-faq .qa-next-links li:nth-child(4) { border-left-color: var(--amber); }

.page-faq .qa-next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}

.page-faq .qa-next-links a:hover,
.page-faq .qa-next-links a:focus-visible {
  background: rgba(0, 229, 208, 0.14);
  color: var(--turq);
}

.page-faq .qa-next-links .btn-arrow {
  color: var(--cyan);
  flex-shrink: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .qa-hero-grid {
    grid-template-columns: minmax(0, 1fr) 230px;
    align-items: start;
  }

  .page-faq .qa-topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-item > summary {
    padding: 18px 22px;
    font-size: 1.05rem;
  }

  .page-faq .qa-a {
    padding: 0 22px 20px 22px;
  }

  .page-faq .qa-next-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .qa-hero-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-faq .qa-hero-aside {
    border-top: 0;
    border-left: 2px solid var(--line-cyan);
    padding-top: 0;
    padding-left: 24px;
  }

  .page-faq .qa-topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .qa-section {
    padding-top: clamp(64px, 6vw, 92px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-topic-card,
  .page-faq .qa-item,
  .page-faq .qa-item > summary,
  .page-faq .qa-next-links a {
    transition: none;
  }

  .page-faq .qa-topic-card:hover,
  .page-faq .qa-topic-card:focus-within {
    transform: none;
  }

  .page-faq .qa-item[open] > .qa-a {
    animation: none;
  }
}
<<<END>>>