/* =============================================
   页面专属样式: .page-faq (帮助中心)
   限定作用域，不污染全局。
   ============================================= */
.page-faq {
  --faq-gold-icon: #D4AF37;
  --faq-bg-card: #FFFFFF;
  --faq-bg-answer: #E8F5E9;
  --faq-border-card: #D4AF37;
  --faq-shadow-card: 6px 6px 0 rgba(10, 86, 43, 0.12);
  --faq-shadow-card-hover: 10px 10px 0 rgba(10, 86, 43, 0.18);
  --faq-radius: 0;
  --faq-toc-width: 180px;
  --faq-gap: 2rem;
}

/* ---- 布局容器 ---- */
.page-faq .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: var(--space-lg, 2rem) var(--space-md, 1rem) var(--space-2xl, 5rem);
}

/* ---- 面包屑 (复用共享类 .breadcrumb，仅微调) ---- */
.page-faq .breadcrumb {
  margin-bottom: 1.5rem;
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.875rem;
  color: var(--clr-text-secondary, #4A4A4A);
}
.page-faq .breadcrumb a {
  color: var(--clr-primary, #0A562B);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition, 0.25s ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--clr-gold, #D4AF37);
}
.page-faq .breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--clr-border, #D4AF37);
  font-weight: 700;
}

/* ---- 页面标题 ---- */
.page-faq__page-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: var(--heading-size-lg, 3.5rem);
  font-weight: 900;
  letter-spacing: var(--heading-tracking, -0.02em);
  color: var(--clr-primary, #0A562B);
  margin: 0 0 0.5rem;
  line-height: 1.1;
  border-left: 6px solid var(--clr-gold, #D4AF37);
  padding-left: 1rem;
}
.page-faq__page-intro {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: var(--body-size, 1rem);
  color: var(--clr-text-secondary, #4A4A4A);
  max-width: 640px;
  margin: 0 0 var(--space-xl, 3rem);
  line-height: 1.6;
}

/* ---- 双栏布局 (桌面) ---- */
.page-faq__layout {
  display: flex;
  gap: var(--faq-gap, 2rem);
  align-items: flex-start;
}

/* ---- 左侧目录 ---- */
.page-faq__toc {
  flex: 0 0 var(--faq-toc-width, 180px);
  position: sticky;
  top: calc(var(--space-lg, 2rem) + 20px);
  border-right: 3px solid var(--clr-gold-light, #E8D488);
  padding-right: 1rem;
}
.page-faq__toc-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-primary-dark, #063A1D);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--clr-gold, #D4AF37);
}
.page-faq__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq__toc-list li {
  margin-bottom: 0.75rem;
}
.page-faq__toc-list a {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text, #1A1A1A);
  text-decoration: none;
  display: block;
  padding: 0.25rem 0;
  border-left: 3px solid transparent;
  padding-left: 0.75rem;
  transition: border-color var(--transition, 0.25s ease), color var(--transition, 0.25s ease);
}
.page-faq__toc-list a:hover {
  color: var(--clr-gold, #D4AF37);
  border-left-color: var(--clr-gold, #D4AF37);
}

/* ---- 右侧内容区 ---- */
.page-faq__content {
  flex: 1;
  min-width: 0;
}

/* ---- 每个板块 ---- */
.page-faq__section {
  margin-bottom: var(--space-2xl, 5rem);
  scroll-margin-top: 2rem;
}
.page-faq__section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.page-faq__section-head--switch {
  flex-direction: row-reverse;
}
.page-faq__section-title {
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: var(--heading-size-md, 2.25rem);
  font-weight: 900;
  letter-spacing: var(--heading-tracking, -0.02em);
  color: var(--clr-primary-dark, #063A1D);
  margin: 0;
  line-height: 1.2;
  position: relative;
}
.page-faq__section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--clr-gold, #D4AF37);
  margin-top: 0.5rem;
}
.page-faq__section-img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border: 3px solid var(--clr-gold-light, #E8D488);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(10,86,43,0.25));
  flex-shrink: 0;
}

/* ---- 问答卡片组 ---- */
.page-faq__cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ---- 单个问答卡片 (details/summary) ---- */
.page-faq__card {
  background: var(--faq-bg-card, #FFFFFF);
  border: 3px solid var(--faq-border-card, #D4AF37);
  box-shadow: var(--faq-shadow-card, 6px 6px 0 rgba(10,86,43,0.12));
  transition: box-shadow var(--transition, 0.25s ease);
  overflow: hidden;
}
.page-faq__card[open] {
  box-shadow: var(--faq-shadow-card-hover, 10px 10px 0 rgba(10,86,43,0.18));
}
.page-faq__card:hover {
  box-shadow: var(--faq-shadow-card-hover, 10px 10px 0 rgba(10,86,43,0.18));
}

/* ---- 问题行 (summary) ---- */
.page-faq__q {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--clr-text, #1A1A1A);
  letter-spacing: -0.01em;
  user-select: none;
  transition: background var(--transition, 0.25s ease);
}
.page-faq__q::-webkit-details-marker {
  display: none;
}
.page-faq__q:hover {
  background: rgba(212, 175, 55, 0.06);
}
.page-faq__card[open] .page-faq__q {
  background: rgba(10, 86, 43, 0.04);
}
.page-faq__q-icon {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, system-ui, sans-serif);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--faq-gold-icon, #D4AF37);
  background: var(--clr-bg-dark, #E0E0D8);
  border: 2px solid var(--clr-gold, #D4AF37);
  line-height: 1;
}
.page-faq__q-text {
  flex: 1;
}

/* ---- 答案内容 ---- */
.page-faq__a {
  padding: 0.25rem 1.25rem 1.25rem calc(36px + 0.75rem + 1.25rem);
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: var(--body-size, 1rem);
  color: var(--clr-text, #1A1A1A);
  line-height: 1.7;
  background: var(--faq-bg-answer, #E8F5E9);
  border-top: 2px solid var(--clr-gold-light, #E8D488);
}
.page-faq__a p {
  margin: 0.5rem 0;
}
.page-faq__a a {
  color: var(--clr-primary, #0A562B);
  text-decoration: underline;
  font-weight: 600;
}
.page-faq__a a:hover {
  color: var(--clr-gold, #D4AF37);
}
.page-faq__a-cta {
  margin-top: 0.75rem;
  font-weight: 700;
}
.page-faq__a-cta a {
  text-decoration: none;
  border-bottom: 2px solid var(--clr-gold, #D4AF37);
}

/* ---- 仍在寻求帮助区域 ---- */
.page-faq__still-help {
  margin-top: var(--space-2xl, 5rem);
  padding: 1.5rem 2rem;
  border: 4px solid var(--clr-primary, #0A562B);
  background: var(--clr-bg, #F5F5F0);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(10,86,43,0.25));
  text-align: center;
}
.page-faq__still-help p {
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 1.05rem;
  color: var(--clr-text, #1A1A1A);
  margin: 0.5rem 0;
}
.page-faq__still-help strong {
  color: var(--clr-primary, #0A562B);
  font-weight: 800;
}
.page-faq__still-help-note {
  font-size: 0.85rem !important;
  color: var(--clr-text-secondary, #4A4A4A) !important;
}

/* ---- data-reveal 滚动显现 (渐进增强) ---- */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.page-faq [data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =============================================
   移动端适配 (≤ 768px)
   ============================================= */
@media (max-width: 768px) {
  .page-faq__page-title {
    font-size: 2rem;
    padding-left: 0.75rem;
    border-left-width: 4px;
  }
  .page-faq__page-intro {
    font-size: 0.95rem;
    max-width: 100%;
    margin-bottom: var(--space-lg, 2rem);
  }

  /* 布局变单栏 */
  .page-faq__layout {
    flex-direction: column;
    gap: 1.5rem;
  }

  /* 目录置顶，水平滚动 */
  .page-faq__toc {
    position: static;
    flex: none;
    width: 100%;
    border-right: none;
    border-bottom: 3px solid var(--clr-gold-light, #E8D488);
    padding-right: 0;
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
    overflow-x: auto;
  }
  .page-faq__toc-title {
    margin-bottom: 0.5rem;
  }
  .page-faq__toc-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.25rem;
    min-width: max-content;
    padding-bottom: 0.25rem;
  }
  .page-faq__toc-list li {
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .page-faq__toc-list a {
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    border-left: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    background: var(--clr-bg-dark, #E0E0D8);
    margin-right: 0.25rem;
  }
  .page-faq__toc-list a:hover {
    border-left: none;
    border-bottom-color: var(--clr-gold, #D4AF37);
  }

  /* 内容区全宽 */
  .page-faq__content {
    width: 100%;
  }

  /* 板块标题调小 */
  .page-faq__section-title {
    font-size: 1.6rem;
  }
  .page-faq__section-title::after {
    width: 32px;
  }

  /* 卡片内边距压缩 */
  .page-faq__q {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }
  .page-faq__q-icon {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    font-size: 1.3rem;
  }
  .page-faq__a {
    padding-left: calc(30px + 0.75rem + 1rem);
    padding-right: 1rem;
    font-size: 0.92rem;
  }

  /* 板块头部堆叠 */
  .page-faq__section-head {
    flex-direction: column !important;
  }
  .page-faq__section-img {
    width: 100%;
    max-width: 200px;
    height: auto;
  }

  /* 帮助区 */
  .page-faq__still-help {
    padding: 1.25rem 1rem;
  }
  .page-faq__still-help p {
    font-size: 0.95rem;
  }
}

/* =============================================
   桌面端微调 (769px +)
   ============================================= */
@media (min-width: 769px) {
  .page-faq__toc {
    min-height: 60vh;
  }
  .page-faq__section-img {
    max-width: 200px;
  }
  .page-faq__a {
    padding-right: 2rem;
  }
}

/* ---- 确保卡片内容不横向溢出 ---- */
.page-faq img,
.page-faq picture,
.page-faq svg {
  max-width: 100%;
  height: auto;
}
.page-faq__card summary {
  outline: none;
}
.page-faq__card summary:focus-visible {
  outline: 3px solid var(--clr-focus, #D4AF37);
  outline-offset: 2px;
}
.page-faq__content a {
  word-break: break-word;
}

.page-faq {
  --heading-size-lg: 1rem;
  --heading-size-md: 1rem;
  --heading-tracking: normal;
}