/* ===== FAQ 页面专属样式 ===== */
.page-faq {
  --faq-icon-size: 64px;
  --faq-border-color: var(--secondary);
  --faq-open-border: var(--primary);
  --faq-qmark-color: var(--accent);
  --faq-answer-bg: var(--bg-light);
  --faq-toc-bg: rgba(26, 35, 126, 0.04);
  display: block;
  width: 100%;
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
  padding: var(--spacing-md, 24px) var(--spacing-sm, 16px);
  font-family: var(--font-body, 'Segoe UI', 'Open Sans', Arial, sans-serif);
  color: var(--text-primary, #1A237E);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs, 8px);
  margin-bottom: var(--spacing-lg, 32px);
  font-size: 14px;
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  color: var(--text-muted, #6b7280);
}
.page-faq .breadcrumb a {
  color: var(--primary, #7BC043);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition, 0.25s ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--primary-dark, #5a9e2a);
  text-decoration: underline;
}
.page-faq .breadcrumb .sep {
  color: var(--text-muted, #6b7280);
  font-weight: 300;
}
.page-faq .breadcrumb .current {
  font-weight: 600;
  color: var(--text-primary, #1A237E);
}

/* 页面标题区 */
.page-faq .faq-page-header {
  margin-bottom: var(--spacing-xl, 48px);
  padding-bottom: var(--spacing-md, 24px);
  border-bottom: 4px solid var(--primary, #7BC043);
}
.page-faq .faq-page-title {
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  font-size: clamp(36px, 8vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--text-primary, #1A237E);
  margin: 0 0 var(--spacing-xs, 8px) 0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.page-faq .faq-page-subtitle {
  font-size: clamp(16px, 3vw, 20px);
  color: var(--text-muted, #6b7280);
  margin: 0 0 var(--spacing-md, 24px) 0;
  font-family: var(--font-body, 'Segoe UI', sans-serif);
}

/* 搜索框 */
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 480px;
}
.page-faq .faq-search-input {
  display: block;
  width: 100%;
  padding: 14px 48px 14px 18px;
  font-size: 16px;
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  color: var(--text-primary, #1A237E);
  background: #fff;
  border: 4px solid var(--secondary, #1A237E);
  border-radius: var(--radius, 0);
  box-shadow: var(--shadow-soft, 4px 4px 0 rgba(26, 35, 126, 0.12));
  transition: border-color var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
  outline: none;
}
.page-faq .faq-search-input::placeholder {
  color: #9ca3af;
  opacity: 0.8;
}
.page-faq .faq-search-input:focus {
  border-color: var(--primary, #7BC043);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26, 35, 126, 0.25));
}
.page-faq .faq-search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 900;
  color: var(--accent, #FFD700);
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  pointer-events: none;
  line-height: 1;
}

/* 辅助类 */
.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== 布局 ===== */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl, 48px);
}

/* 目录侧边（移动端在上） */
.page-faq .faq-toc {
  background: var(--faq-toc-bg);
  border: 4px solid var(--secondary, #1A237E);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26, 35, 126, 0.25));
  padding: var(--spacing-md, 24px);
}
.page-faq .faq-toc-heading {
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary, #1A237E);
  margin: 0 0 var(--spacing-sm, 16px) 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs, 8px);
}
.page-faq .faq-toc-heading::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 24px;
  background: var(--primary, #7BC043);
  flex-shrink: 0;
}
.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 8px);
}
.page-faq .faq-toc-link {
  display: block;
  padding: var(--spacing-xs, 8px) var(--spacing-sm, 16px);
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary, #1A237E);
  text-decoration: none;
  border-left: 4px solid transparent;
  transition: border-color var(--transition, 0.25s ease), background var(--transition, 0.25s ease);
}
.page-faq .faq-toc-link:hover {
  border-left-color: var(--accent, #FFD700);
  background: rgba(123, 192, 67, 0.08);
}

/* ===== 手风琴区域 ===== */
.page-faq .faq-accordion-area {
  flex: 1;
  min-width: 0;
}

/* 每个章节 */
.page-faq .faq-section {
  margin-bottom: var(--spacing-xl, 48px);
  scroll-margin-top: var(--spacing-lg, 32px);
}
.page-faq .faq-section:last-of-type {
  margin-bottom: var(--spacing-lg, 32px);
}
.page-faq .faq-section .section-marker {
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  color: var(--text-primary, #1A237E);
  margin: 0 0 var(--spacing-xs, 8px) 0;
  padding-left: var(--spacing-sm, 16px);
  border-left: 6px solid var(--primary, #7BC043);
  line-height: 1.1;
  text-transform: uppercase;
}
.page-faq .faq-section-intro {
  font-size: 15px;
  color: var(--text-muted, #6b7280);
  margin: 0 0 var(--spacing-md, 24px) var(--spacing-md, 24px);
  font-family: var(--font-body, 'Segoe UI', sans-serif);
}

/* 单个手风琴项 */
.page-faq .faq-item {
  display: block;
  border: 4px solid var(--faq-border-color, var(--secondary));
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26, 35, 126, 0.25));
  margin-bottom: var(--spacing-sm, 16px);
  background: #fff;
  transition: border-color var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
}
.page-faq .faq-item[open] {
  border-color: var(--faq-open-border, var(--primary));
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(123, 192, 67, 0.25));
}

/* 问题行 */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm, 16px);
  padding: var(--spacing-sm, 16px) var(--spacing-md, 24px);
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  font-size: clamp(17px, 3vw, 21px);
  font-weight: 700;
  color: var(--text-primary, #1A237E);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition, 0.25s ease);
  line-height: 1.3;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::marker {
  display: none;
  content: "";
}
.page-faq .faq-item[open] .faq-question {
  background: rgba(123, 192, 67, 0.06);
}
.page-faq .faq-question:hover {
  background: rgba(255, 215, 0, 0.08);
}

/* 金色问号 */
.page-faq .faq-q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 22px;
  font-weight: 900;
  color: var(--faq-qmark-color, #FFD700);
  background: var(--secondary, #1A237E);
  flex-shrink: 0;
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  line-height: 1;
  transition: transform var(--transition, 0.25s ease);
}
.page-faq .faq-item[open] .faq-q-mark {
  transform: rotate(15deg) scale(1.08);
}

/* 自定义展开指示器（右侧箭头） */
.page-faq .faq-question::after {
  content: "+";
  margin-left: auto;
  font-size: 26px;
  font-weight: 400;
  color: var(--secondary, #1A237E);
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  line-height: 1;
  transition: transform var(--transition, 0.25s ease);
  flex-shrink: 0;
}
.page-faq .faq-item[open] .faq-question::after {
  content: "−";
  transform: rotate(0deg);
}

/* 答案区域 */
.page-faq .faq-answer {
  padding: var(--spacing-md, 24px);
  background: var(--faq-answer-bg, #F5F5F5);
  border-top: 4px solid var(--primary, #7BC043);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 16px);
  animation: faqFadeIn 0.3s ease forwards;
}
@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-faq .faq-answer p {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary, #1A237E);
  font-family: var(--font-body, 'Segoe UI', sans-serif);
}
.page-faq .faq-answer a {
  color: var(--primary, #7BC043);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition, 0.25s ease);
}
.page-faq .faq-answer a:hover {
  color: var(--primary-dark, #5a9e2a);
}

/* 答案中的图标 */
.page-faq .faq-ans-icon {
  width: var(--faq-icon-size, 64px);
  height: var(--faq-icon-size, 64px);
  object-fit: contain;
  border: 3px solid var(--secondary, #1A237E);
  padding: 6px;
  background: #fff;
  box-shadow: var(--shadow-soft, 4px 4px 0 rgba(26, 35, 126, 0.12));
  flex-shrink: 0;
  align-self: flex-start;
}

/* CTA 区域 */
.page-faq .faq-cta-area {
  margin-top: var(--spacing-xl, 48px);
  padding: var(--spacing-md, 24px);
  background: var(--secondary, #1A237E);
  border: 4px solid var(--accent, #FFD700);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26, 35, 126, 0.25));
  text-align: center;
}
.page-faq .faq-cta-area p {
  margin: 0;
  font-size: 18px;
  color: var(--text-on-dark, #FFFFFF);
  font-family: var(--font-body, 'Segoe UI', sans-serif);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm, 16px);
}
.page-faq .faq-cta-area .btn {
  display: inline-block;
  padding: 10px 28px;
  font-family: var(--font-heading, Impact, 'Bebas Neue', sans-serif);
  font-size: 17px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  border: 4px solid var(--primary, #7BC043);
  background: var(--primary, #7BC043);
  color: var(--text-on-dark, #FFFFFF);
  box-shadow: var(--shadow-soft, 4px 4px 0 rgba(26, 35, 126, 0.12));
  transition: background var(--transition, 0.25s ease), transform var(--transition, 0.25s ease);
  line-height: 1.2;
}
.page-faq .faq-cta-area .btn:hover {
  background: var(--primary-dark, #5a9e2a);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-strong, 8px 8px 0 rgba(26, 35, 126, 0.25));
}
.page-faq .faq-cta-area .btn-accent {
  background: var(--accent, #FFD700);
  border-color: var(--accent, #FFD700);
  color: var(--text-primary, #1A237E);
}
.page-faq .faq-cta-area .btn-accent:hover {
  background: var(--accent-dark, #e6c200);
  border-color: var(--accent-dark, #e6c200);
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-faq {
    padding: var(--spacing-lg, 32px) var(--spacing-md, 24px);
  }
  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-xl, 48px);
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 100px;
    width: 220px;
    flex-shrink: 0;
    align-self: flex-start;
  }
  .page-faq .faq-toc-list {
    gap: var(--spacing-xs, 6px);
  }
  .page-faq .faq-accordion-area {
    flex: 1;
    min-width: 0;
  }
  .page-faq .faq-section .section-marker {
    font-size: 30px;
  }
  .page-faq .faq-question {
    padding: var(--spacing-md, 24px) var(--spacing-lg, 32px);
    font-size: 20px;
  }
  .page-faq .faq-answer {
    padding: var(--spacing-md, 24px) var(--spacing-lg, 32px);
    flex-direction: row;
    align-items: flex-start;
  }
  .page-faq .faq-answer p {
    flex: 1;
  }
  .page-faq .faq-ans-icon {
    width: 80px;
    height: 80px;
    --faq-icon-size: 80px;
  }
  .page-faq .faq-cta-area {
    padding: var(--spacing-lg, 32px);
  }
  .page-faq .faq-cta-area p {
    font-size: 20px;
    gap: var(--spacing-md, 24px);
  }
}

/* ===== 桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-faq .faq-toc {
    width: 250px;
  }
  .page-faq .faq-page-title {
    font-size: 52px;
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-answer {
    animation: none;
  }
  .page-faq .faq-item,
  .page-faq .faq-q-mark,
  .page-faq .faq-question::after,
  .page-faq .faq-search-input,
  .page-faq .faq-cta-area .btn {
    transition: none;
  }
  .page-faq .faq-item[open] .faq-q-mark {
    transform: none;
  }
}