.page-faq {
  --faq-nav-width: 260px;
  --faq-gap: 2rem;
  --faq-card-radius: 6px;
  --faq-glow: 0 0 14px rgba(212, 175, 55, 0.25);
  --faq-glow-green: 0 0 14px rgba(0, 255, 136, 0.25);
  --faq-transition: 0.25s ease;
  --faq-section-gap: 3rem;
}

.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 1rem 0.5rem;
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.875rem;
  color: var(--color-text-muted, #B0B0B0);
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
}

.page-faq .breadcrumb a {
  color: var(--color-accent, #D4AF37);
  text-decoration: none;
  transition: color var(--faq-transition);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--color-functional, #00FF88);
  outline: 2px solid var(--color-functional, #00FF88);
  outline-offset: 2px;
}

.page-faq .breadcrumb-sep {
  color: var(--color-text-muted, #B0B0B0);
}

.page-faq .breadcrumb-current {
  color: var(--color-text-light, #FFFFFF);
  font-weight: 600;
}

/* Hero 区域 */
.page-faq .faq-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem 1rem;
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
}

.page-faq .faq-hero-icon {
  width: 120px;
  height: auto;
  max-width: 200px;
  margin-bottom: 1rem;
  border-radius: var(--faq-card-radius);
  box-shadow: var(--faq-glow);
  object-fit: contain;
}

.page-faq .faq-hero-title {
  font-family: var(--font-heading, 'Exo 2', sans-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent, #D4AF37);
  margin: 0 0 0.5rem;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero-desc {
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 1rem;
  color: var(--color-text-muted, #B0B0B0);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

/* 主布局 */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

/* 分类导航（移动端：水平滚动） */
.page-faq .faq-nav {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent, #D4AF37) transparent;
  flex-shrink: 0;
}

.page-faq .faq-nav::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-nav::-webkit-scrollbar-thumb {
  background-color: var(--color-accent, #D4AF37);
  border-radius: 2px;
}

.page-faq .faq-nav-list {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  min-width: max-content;
}

.page-faq .faq-nav-link {
  display: block;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-light, #FFFFFF);
  background-color: var(--color-primary, #0A1F44);
  border: 1px solid var(--color-accent, #D4AF37);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--faq-transition);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  position: relative;
}

.page-faq .faq-nav-link:hover,
.page-faq .faq-nav-link:focus-visible {
  background-color: var(--color-accent, #D4AF37);
  color: var(--color-primary, #0A1F44);
  box-shadow: var(--faq-glow);
  outline: none;
}

.page-faq .faq-nav-link:focus-visible {
  outline: 2px solid var(--color-functional, #00FF88);
  outline-offset: 2px;
}

.page-faq .faq-nav-link:target,
.page-faq .faq-nav-link[aria-current="page"] {
  background-color: var(--color-functional, #00FF88);
  color: var(--color-primary, #0A1F44);
  border-color: var(--color-functional, #00FF88);
  box-shadow: var(--faq-glow-green);
}

/* 问答面板 */
.page-faq .faq-panels {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--faq-section-gap);
}

/* 每个分类区块 */
.page-faq .faq-section {
  background-color: rgba(240, 240, 240, 0.04);
  border-left: 3px solid var(--color-accent, #D4AF37);
  padding: 1.25rem 1rem;
  border-radius: 0 var(--faq-card-radius) var(--faq-card-radius) 0;
  transition: border-color var(--faq-transition);
}

.page-faq .faq-section:target {
  border-left-color: var(--color-functional, #00FF88);
  box-shadow: inset 0 0 20px rgba(0, 255, 136, 0.06);
}

.page-faq .faq-section-heading {
  font-family: var(--font-heading, 'Exo 2', sans-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-accent, #D4AF37);
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-faq .faq-section-heading::before {
  content: attr(data-number);
  font-family: var(--font-heading, 'Exo 2', sans-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-functional, #00FF88);
  background-color: rgba(0, 255, 136, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  line-height: 1.4;
}

/* 分类内图片 */
.page-faq .faq-section-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto 1.25rem;
  border-radius: var(--faq-card-radius);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  aspect-ratio: 600 / 400;
}

/* 问答列表 */
.page-faq .faq-items {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* 单个问答折叠 */
.page-faq .faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--faq-card-radius);
  overflow: hidden;
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
}

.page-faq .faq-item:hover {
  border-color: var(--color-accent, #D4AF37);
  box-shadow: var(--faq-glow);
}

.page-faq .faq-item[open] {
  border-color: var(--color-functional, #00FF88);
  box-shadow: var(--faq-glow-green);
}

.page-faq .faq-question {
  display: block;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-light, #FFFFFF);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 2.5rem;
  transition: color var(--faq-transition);
  user-select: none;
}

.page-faq .faq-question::-webkit-details-marker {
  display: none;
}

.page-faq .faq-question::marker {
  display: none;
  content: '';
}

.page-faq .faq-question::after {
  content: '+';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-accent, #D4AF37);
  transition: transform var(--faq-transition), color var(--faq-transition);
  line-height: 1;
}

.page-faq .faq-item[open] .faq-question::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--color-functional, #00FF88);
}

.page-faq .faq-question:hover,
.page-faq .faq-question:focus-visible {
  color: var(--color-accent, #D4AF37);
}

.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--color-functional, #00FF88);
  outline-offset: -2px;
}

.page-faq .faq-answer {
  padding: 0 1.1rem 1rem;
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted, #B0B0B0);
  line-height: 1.7;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  margin-top: 0;
  animation: faqFadeIn 0.3s ease;
}

.page-faq .faq-answer a {
  color: var(--color-functional, #00FF88);
  text-decoration: underline;
  transition: color var(--faq-transition);
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--color-accent, #D4AF37);
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
  }
  to {
    opacity: 1;
    max-height: 300px;
    padding-top: 0.85rem;
    padding-bottom: 1rem;
  }
}

.page-faq .faq-answer p {
  margin: 0;
}

/* 底部联系引导 */
.page-faq .faq-cta {
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  text-align: center;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.page-faq .faq-cta-title {
  font-family: var(--font-heading, 'Exo 2', sans-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-accent, #D4AF37);
  margin: 0 0 0.5rem;
}

.page-faq .faq-cta-desc {
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--color-text-muted, #B0B0B0);
  max-width: 520px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}

.page-faq .faq-cta-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.page-faq .faq-cta-links .btn {
  display: inline-block;
  padding: 0.7rem 2rem;
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary, #0A1F44);
  background-color: var(--color-functional, #00FF88);
  text-decoration: none;
  border-radius: var(--faq-card-radius);
  transition: all var(--faq-transition);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.page-faq .faq-cta-links .btn:hover,
.page-faq .faq-cta-links .btn:focus-visible {
  background-color: var(--color-accent, #D4AF37);
  box-shadow: var(--faq-glow);
  color: var(--color-primary, #0A1F44);
  outline: none;
}

.page-faq .faq-cta-links .btn:focus-visible {
  outline: 2px solid var(--color-functional, #00FF88);
  outline-offset: 3px;
}

.page-faq .faq-cta-phone {
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted, #B0B0B0);
  letter-spacing: 0.02em;
}

.page-faq .faq-cta-note {
  font-family: var(--font-body, 'Source Han Sans SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0.5rem 0 0;
  opacity: 0.8;
}

/* ========== 桌面端 >= 768px ========== */
@media (min-width: 768px) {
  .page-faq .breadcrumb {
    padding: 1.5rem 1.5rem 0.75rem;
  }

  .page-faq .faq-hero {
    padding: 2rem 1.5rem 1.5rem;
  }

  .page-faq .faq-hero-icon {
    width: 180px;
  }

  .page-faq .faq-hero-title {
    font-size: 2.25rem;
  }

  .page-faq .faq-hero-desc {
    font-size: 1.05rem;
  }

  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    padding: 0 1.5rem 3rem;
    gap: var(--faq-gap);
  }

  /* 分类导航：垂直固定 */
  .page-faq .faq-nav {
    position: sticky;
    top: 1.5rem;
    width: var(--faq-nav-width);
    flex-shrink: 0;
    overflow-x: visible;
    align-self: flex-start;
  }

  .page-faq .faq-nav-list {
    flex-direction: column;
    gap: 0.6rem;
    min-width: 0;
  }

  .page-faq .faq-nav-link {
    padding: 0.8rem 1.2rem;
    font-size: 0.95rem;
    white-space: normal;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  }

  .page-faq .faq-panels {
    flex: 1;
    min-width: 0;
    gap: var(--faq-section-gap);
  }

  .page-faq .faq-section {
    padding: 1.5rem 1.5rem;
    border-left-width: 4px;
  }

  .page-faq .faq-section-heading {
    font-size: 1.5rem;
  }

  .page-faq .faq-question {
    font-size: 1rem;
    padding: 0.9rem 2.5rem 0.9rem 1.3rem;
  }

  .page-faq .faq-answer {
    font-size: 0.925rem;
    padding: 0 1.3rem 1.1rem;
  }

  .page-faq .faq-cta {
    padding: 2.5rem 1.5rem 4rem;
  }

  .page-faq .faq-cta-title {
    font-size: 1.5rem;
  }

  .page-faq .faq-cta-links {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }

  .page-faq .faq-cta-links .btn {
    padding: 0.8rem 2.5rem;
    font-size: 1.05rem;
  }
}

/* ========== 大屏 >= 1024px ========== */
@media (min-width: 1024px) {
  .page-faq .faq-hero-title {
    font-size: 2.75rem;
  }

  .page-faq .faq-nav {
    width: 280px;
  }

  .page-faq .faq-section {
    padding: 2rem 2rem;
  }

  .page-faq .faq-section-heading {
    font-size: 1.6rem;
  }
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}