.page-faq {
  --faq-splash-bg: var(--color-bg-light);
  --faq-card-bg: var(--color-white);
  --faq-border-red: var(--color-accent);
  --faq-border-yellow: var(--color-highlight);
  --faq-dot-green: var(--color-primary);
  --faq-dot-active: var(--color-accent);
  --faq-index-bg: var(--color-white);
  --faq-cta-bg: var(--color-bg-dark);
  background-color: var(--faq-splash-bg);
}

/* ========== 面包屑 ========== */
.page-faq .breadcrumb {
  padding-top: 20px;
  padding-bottom: 8px;
  font-family: var(--font-body);
  font-size: var(--font-scale-small);
  color: var(--color-text-secondary);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.page-faq .breadcrumb-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-faq .breadcrumb-link:hover {
  color: var(--color-accent);
}
.page-faq .breadcrumb-sep {
  color: var(--color-border);
  user-select: none;
}
.page-faq .breadcrumb-current {
  color: var(--color-text);
  font-weight: 600;
}

/* ========== 首屏 ========== */
.page-faq .faq-splash {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-light);
  padding: var(--spacing-2xl) 0;
}
.page-faq .faq-splash::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
  opacity: 0.08;
  pointer-events: none;
}
.page-faq .faq-splash-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-faq .faq-splash-text {
  flex: 1 1 auto;
  text-align: center;
}
.page-faq .faq-splash-title {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.page-faq .faq-splash-desc {
  font-family: var(--font-body);
  font-size: var(--font-scale-body);
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.6;
}
.page-faq .faq-splash-stats {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}
.page-faq .stat-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: var(--color-white);
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}
.page-faq .stat-badge-num {
  font-family: var(--font-number);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
}
.page-faq .stat-badge-label {
  font-family: var(--font-body);
  font-size: var(--font-scale-small);
  color: var(--color-text-secondary);
}
.page-faq .faq-splash-visual {
  flex: 0 0 auto;
  max-width: 100%;
}
.page-faq .faq-splash-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

/* ========== 快速索引 ========== */
.page-faq .faq-index {
  background: var(--faq-index-bg);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: var(--header-height);
  z-index: 20;
}
.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}
.page-faq .faq-index-link {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  padding: 8px 20px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  letter-spacing: 0.02em;
}
.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* ========== 问答版块通用 ========== */
.page-faq .faq-body {
  padding: var(--spacing-3xl) 0;
}
.page-faq .faq-block {
  margin-bottom: var(--spacing-3xl);
}
.page-faq .faq-block:last-child {
  margin-bottom: 0;
}
.page-faq .faq-block-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}
.page-faq .faq-block-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
}
.page-faq .faq-block-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h2);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.2;
}
.page-faq .faq-block-desc {
  font-family: var(--font-body);
  font-size: var(--font-scale-body);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-lg);
  line-height: 1.5;
}

/* ========== 问答列表 ========== */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.page-faq .faq-item {
  display: block;
  background: var(--faq-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}
.page-faq .faq-item[open] {
  box-shadow: var(--shadow-md);
}

/* ========== 问题（summary） ========== */
.page-faq .faq-question {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg) 52px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  line-height: 1.4;
  user-select: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::before {
  content: '';
  position: absolute;
  left: var(--spacing-lg);
  top: var(--spacing-lg);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--faq-dot-green);
  flex: 0 0 14px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.page-faq .faq-question::after {
  content: '';
  position: absolute;
  right: var(--spacing-lg);
  top: calc(var(--spacing-lg) + 4px);
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
  transform: rotate(45deg);
  transition: transform var(--transition-base), border-color var(--transition-fast);
}
.page-faq .faq-item[open] .faq-question::after {
  transform: rotate(-135deg);
  border-color: var(--color-accent);
}
.page-faq .faq-question:hover {
  background: rgba(46, 139, 87, 0.04);
  color: var(--color-primary);
}
.page-faq .faq-question:hover::before {
  background: var(--faq-dot-active);
  transform: scale(1.15);
}
.page-faq .faq-item[open] .faq-question::before {
  background: var(--faq-dot-active);
}

/* ========== 答案 ========== */
.page-faq .faq-answer {
  border-left: 4px solid var(--faq-border-red);
  border-bottom: 2px solid var(--faq-border-yellow);
  margin: 0 var(--spacing-lg) var(--spacing-lg) 52px;
  background: var(--color-bg-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  overflow: hidden;
  animation: faq-answer-in 0.2s ease-out;
}
@keyframes faq-answer-in {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 600px;
  }
}
.page-faq .faq-answer-inner {
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: var(--font-scale-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.page-faq .faq-answer-inner p {
  margin: 0 0 var(--spacing-sm);
}
.page-faq .faq-answer-inner p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer-img {
  display: block;
  max-width: 100%;
  width: 300px;
  height: auto;
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
}
.page-faq .text-highlight {
  font-family: var(--font-number);
  font-weight: 700;
  color: var(--color-accent);
}

/* ========== 底部CTA ========== */
.page-faq .faq-cta {
  background: var(--faq-cta-bg);
  padding: var(--spacing-3xl) 0;
  margin-top: var(--spacing-2xl);
}
.page-faq .faq-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-lg);
}
.page-faq .faq-cta-text {
  max-width: 520px;
}
.page-faq .faq-cta-title {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h2);
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.2;
}
.page-faq .faq-cta-desc {
  font-family: var(--font-body);
  font-size: var(--font-scale-body);
  color: rgba(255,255,255,0.75);
  margin: 0;
  line-height: 1.6;
}
.page-faq .faq-cta-btn {
  flex: 0 0 auto;
}

/* ========== 响应式：桌面端 ========== */
@media (min-width: 768px) {
  .page-faq .faq-splash {
    min-height: 55vh;
    padding: var(--spacing-3xl) 0;
  }
  .page-faq .faq-splash-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  .page-faq .faq-splash-text {
    text-align: left;
    max-width: 540px;
  }
  .page-faq .faq-splash-desc {
    margin-left: 0;
  }
  .page-faq .faq-splash-stats {
    justify-content: flex-start;
  }
  .page-faq .faq-splash-title {
    font-size: 48px;
  }
  .page-faq .faq-splash-visual {
    flex: 0 0 45%;
    max-width: 600px;
  }

  .page-faq .faq-index-list {
    gap: var(--spacing-md);
  }
  .page-faq .faq-index-link {
    font-size: 16px;
    padding: 10px 28px;
  }

  .page-faq .faq-block-title {
    font-size: var(--font-scale-h2);
  }
  .page-faq .faq-question {
    font-size: 18px;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) 60px;
  }
  .page-faq .faq-question::before {
    left: var(--spacing-xl);
    top: var(--spacing-xl);
    width: 16px;
    height: 16px;
  }
  .page-faq .faq-question::after {
    right: var(--spacing-xl);
    top: calc(var(--spacing-xl) + 6px);
  }
  .page-faq .faq-answer {
    margin-left: 60px;
    margin-right: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
  }
  .page-faq .faq-answer-inner {
    padding: var(--spacing-lg) var(--spacing-xl);
  }

  .page-faq .faq-cta-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  .page-faq .faq-cta-text {
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-splash-title {
    font-size: 56px;
  }
  .page-faq .faq-splash::before {
    width: 45%;
    clip-path: polygon(15% 0%, 100% 0%, 100% 100%, 0% 100%);
  }
  .page-faq .faq-list {
    gap: var(--spacing-lg);
  }
}

/* ========== 折叠动画平滑 ========== */
.page-faq .faq-item {
  transition: box-shadow var(--transition-base);
}
.page-faq .faq-answer {
  display: block;
}
.page-faq .faq-item:not([open]) .faq-answer {
  display: none;
}
</<PAGE_CSS>>