.page-faq {
  --faq-accent: var(--color-accent, #8A2BE2);
  --faq-highlight: var(--color-highlight, #00FFFF);
  --faq-text: var(--color-text, #E0E0E0);
  --faq-text-accent: var(--color-text-accent, #D4A5FF);
  --faq-primary: var(--color-primary, #0B1A30);
  --faq-glass: var(--color-glass, rgba(11,26,48,0.6));
  --faq-radius: 12px;
  --faq-transition: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
  display: block;
  width: 100%;
  background: var(--color-bg, #0A0A0A);
  color: var(--faq-text);
  padding: 0 0 60px;
}

/* ===== 面包屑 ===== */
.page-faq .page-faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 0 12px;
  font-size: 14px;
  color: var(--color-secondary, #C0C0C0);
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(192,192,192,0.15);
  margin-bottom: 40px;
}

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

.page-faq .page-faq-breadcrumb a:hover,
.page-faq .page-faq-breadcrumb a:focus-visible {
  color: var(--faq-highlight);
  outline: none;
}

.page-faq .pg-breadcrumb-sep {
  color: rgba(192,192,192,0.4);
  font-family: var(--font-title, 'Exo 2', sans-serif);
  font-weight: 300;
}

/* ===== 标题区 ===== */
.page-faq .page-faq-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
  position: relative;
}

.page-faq .page-faq-hero-text {
  flex: 1;
  min-width: 0;
}

.page-faq .page-faq-title {
  font-family: var(--font-title, 'Exo 2', 'Inter', sans-serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  color: var(--faq-text-accent);
  line-height: 1.1;
  margin: 0 0 8px;
  letter-spacing: -0.5px;
  text-shadow: 0 0 40px rgba(138,43,226,0.25);
}

.page-faq .page-faq-subtitle {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 400;
  color: var(--color-secondary, #C0C0C0);
  margin: 0 0 16px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
}

.page-faq .page-faq-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(224,224,224,0.7);
  max-width: 520px;
  margin: 0;
}

.page-faq .page-faq-hero-visual {
  flex-shrink: 0;
  position: relative;
  width: 200px;
  height: 150px;
}

.page-faq .page-faq-hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--faq-radius);
  position: relative;
  z-index: 1;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.page-faq .page-faq-hero-glow {
  position: absolute;
  inset: -12px;
  background: radial-gradient(ellipse at 30% 40%, rgba(138,43,226,0.3), transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* ===== 搜索框 ===== */
.page-faq .page-faq-search-wrap {
  position: relative;
  max-width: 640px;
  margin-bottom: 48px;
}

.page-faq .page-faq-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-secondary, #C0C0C0);
  pointer-events: none;
  z-index: 2;
}

.page-faq .page-faq-search {
  display: block;
  width: 100%;
  padding: 16px 20px 16px 48px;
  background: var(--faq-glass);
  border: 1px solid rgba(192,192,192,0.2);
  border-radius: 60px;
  color: var(--faq-text);
  font-size: 16px;
  font-family: var(--font-body, 'Inter', sans-serif);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  outline: none;
}

.page-faq .page-faq-search::placeholder {
  color: rgba(192,192,192,0.4);
  font-size: 14px;
}

.page-faq .page-faq-search:focus {
  border-color: var(--faq-highlight);
  box-shadow: 0 0 0 3px rgba(0,255,255,0.12), 0 0 30px rgba(0,255,255,0.06);
}

/* ===== 双栏布局 ===== */
.page-faq .page-faq-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 48px;
}

/* ===== 侧栏目录 ===== */
.page-faq .page-faq-sidebar {
  position: sticky;
  top: calc(var(--header-h, 70px) + 24px);
  padding: 28px 20px;
  border-radius: var(--faq-radius);
  background: var(--faq-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(192,192,192,0.08);
  overflow: hidden;
}

.page-faq .page-faq-sidebar-title {
  font-family: var(--font-title, 'Exo 2', sans-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--faq-text-accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(138,43,226,0.2);
}

.page-faq .page-faq-toc {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .page-faq-toc-link {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-secondary, #C0C0C0);
  text-decoration: none;
  border-radius: 6px;
  transition: background var(--faq-transition), color var(--faq-transition), padding-left var(--faq-transition);
  position: relative;
}

.page-faq .page-faq-toc-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--faq-highlight);
  border-radius: 0 3px 3px 0;
  transition: height var(--faq-transition);
}

.page-faq .page-faq-toc-link:hover,
.page-faq .page-faq-toc-link:focus-visible {
  background: rgba(138,43,226,0.12);
  color: var(--faq-text-accent);
  padding-left: 18px;
  outline: none;
}

.page-faq .page-faq-toc-link:hover::before,
.page-faq .page-faq-toc-link:focus-visible::before {
  height: 60%;
}

.page-faq .page-faq-sidebar-deco {
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138,43,226,0.08), transparent 70%);
  pointer-events: none;
}

/* ===== 内容区 ===== */
.page-faq .page-faq-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

/* ===== 折叠卡片 ===== */
.page-faq .page-faq-card {
  border-radius: var(--faq-radius);
  background: var(--faq-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(192,192,192,0.06);
  overflow: hidden;
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
}

.page-faq .page-faq-card:focus-within,
.page-faq .page-faq-card:hover {
  border-color: rgba(138,43,226,0.25);
  box-shadow: 0 4px 32px rgba(0,0,0,0.25);
}

.page-faq .page-faq-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: background var(--faq-transition);
  position: relative;
}

.page-faq .page-faq-card-header:hover {
  background: rgba(138,43,226,0.05);
}

.page-faq .page-faq-card-header:focus-visible {
  outline: 2px solid var(--faq-highlight);
  outline-offset: -2px;
  border-radius: var(--faq-radius);
}

.page-faq .page-faq-card-title {
  font-family: var(--font-title, 'Exo 2', sans-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--faq-text);
  margin: 0;
  line-height: 1.4;
  transition: color var(--faq-transition);
}

.page-faq .page-faq-card-header:hover .page-faq-card-title,
.page-faq .page-faq-card-header:focus-visible .page-faq-card-title {
  color: var(--faq-text-accent);
}

.page-faq .page-faq-card-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(138,43,226,0.1);
  color: var(--faq-accent);
  transition: transform var(--faq-transition), background var(--faq-transition), color var(--faq-transition);
}

.page-faq .page-faq-card-icon svg {
  display: block;
  width: 18px;
  height: 18px;
  transition: transform var(--faq-transition);
}

/* 展开状态 */
.page-faq .page-faq-card[data-expanded="true"] .page-faq-card-icon {
  background: rgba(0,255,255,0.1);
  color: var(--faq-highlight);
}

.page-faq .page-faq-card[data-expanded="true"] .page-faq-card-icon svg {
  transform: rotate(90deg);
}

.page-faq .page-faq-card-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--faq-transition);
  padding: 0 24px;
}

.page-faq .page-faq-card[data-expanded="true"] .page-faq-card-body {
  grid-template-rows: 1fr;
}

.page-faq .page-faq-card-body-inner {
  overflow: hidden;
  padding: 0 0 20px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-faq .page-faq-card[data-expanded="true"] .page-faq-card-body-inner {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 卡片内排版 ===== */
.page-faq .page-faq-card-body p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(224,224,224,0.85);
  margin: 0 0 16px;
}

.page-faq .page-faq-card-body p:last-child {
  margin-bottom: 0;
}

.page-faq .page-faq-steps,
.page-faq .page-faq-checklist {
  padding-left: 20px;
  margin: 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .page-faq-steps li,
.page-faq .page-faq-checklist li {
  font-size: 15px;
  line-height: 1.65;
  color: rgba(224,224,224,0.8);
  padding-left: 4px;
}

.page-faq .page-faq-steps li::marker {
  color: var(--faq-accent);
  font-weight: 600;
}

.page-faq .page-faq-checklist li::marker {
  color: var(--faq-highlight);
}

.page-faq .page-faq-steps a,
.page-faq .page-faq-checklist a {
  color: var(--faq-text-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--faq-transition);
}

.page-faq .page-faq-steps a:hover,
.page-faq .page-faq-checklist a:hover,
.page-faq .page-faq-steps a:focus-visible,
.page-faq .page-faq-checklist a:focus-visible {
  color: var(--faq-highlight);
  outline: none;
}

.page-faq .page-faq-steps-img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin: 0 0 16px;
  clip-path: polygon(2% 0, 100% 0, 98% 100%, 0 100%);
  object-fit: cover;
  border: 1px solid rgba(138,43,226,0.15);
}

.page-faq .page-faq-note {
  font-size: 14px;
  color: rgba(192,192,192,0.5);
  border-left: 2px solid rgba(138,43,226,0.2);
  padding-left: 14px;
  margin-top: 4px;
  font-style: italic;
}

.page-faq .page-faq-card-body code {
  background: rgba(0,0,0,0.3);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--faq-highlight);
  word-break: break-all;
}

/* ===== 分类索引网格 ===== */
.page-faq .page-faq-index-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0 0 16px;
}

.page-faq .page-faq-index-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  transition: background var(--faq-transition);
}

.page-faq .page-faq-index-item:hover {
  background: rgba(138,43,226,0.1);
}

.page-faq .page-faq-index-tag {
  flex-shrink: 0;
}

.page-faq .page-faq-index-item a {
  font-size: 14px;
  font-weight: 500;
  color: var(--faq-text-accent);
  text-decoration: none;
  transition: color var(--faq-transition);
}

.page-faq .page-faq-index-item a:hover,
.page-faq .page-faq-index-item a:focus-visible {
  color: var(--faq-highlight);
  outline: none;
}

/* ===== 底部联系条 ===== */
.page-faq .page-faq-contact-note {
  padding: 24px 28px;
  border-radius: var(--faq-radius);
  background: var(--faq-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(192,192,192,0.06);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(224,224,224,0.7);
  text-align: center;
}

.page-faq .page-faq-contact-note a {
  color: var(--faq-text-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
  transition: color var(--faq-transition);
}

.page-faq .page-faq-contact-note a:hover,
.page-faq .page-faq-contact-note a:focus-visible {
  color: var(--faq-highlight);
  outline: none;
}

.page-faq .page-faq-contact-note strong {
  color: var(--faq-text);
  font-weight: 600;
}

/* ===== 响应式 ===== */
@media (max-width: 820px) {
  .page-faq .page-faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-faq .page-faq-sidebar {
    position: relative;
    top: 0;
    padding: 20px 16px;
  }

  .page-faq .page-faq-sidebar-title {
    margin-bottom: 12px;
  }

  .page-faq .page-faq-toc {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-faq .page-faq-toc-link {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 20px;
    background: rgba(11,26,48,0.4);
  }

  .page-faq .page-faq-toc-link::before {
    display: none;
  }

  .page-faq .page-faq-toc-link:hover,
  .page-faq .page-faq-toc-link:focus-visible {
    padding-left: 14px;
  }

  .page-faq .page-faq-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .page-faq .page-faq-hero-visual {
    width: 160px;
    height: 120px;
  }

  .page-faq .page-faq-index-grid {
    grid-template-columns: 1fr;
  }

  .page-faq .page-faq-card-header {
    padding: 16px 18px;
  }

  .page-faq .page-faq-card-body {
    padding: 0 18px;
  }

  .page-faq .page-faq-card-title {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .page-faq .page-faq-breadcrumb {
    font-size: 13px;
    padding: 16px 0 8px;
    margin-bottom: 24px;
  }

  .page-faq .page-faq-hero {
    margin-bottom: 32px;
  }

  .page-faq .page-faq-title {
    font-size: 28px;
  }

  .page-faq .page-faq-subtitle {
    font-size: 14px;
    letter-spacing: 1px;
  }

  .page-faq .page-faq-desc {
    font-size: 14px;
  }

  .page-faq .page-faq-hero-visual {
    width: 120px;
    height: 90px;
  }

  .page-faq .page-faq-search {
    padding: 14px 16px 14px 44px;
    font-size: 15px;
  }

  .page-faq .page-faq-card-header {
    padding: 14px 16px;
  }

  .page-faq .page-faq-card-title {
    font-size: 15px;
  }

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

  .page-faq .page-faq-contact-note {
    padding: 18px 16px;
    font-size: 14px;
  }
}