/* ===== 当前页面专属样式：page-faq ===== */
.page-faq {
  --faq-primary: #FF6B35;
  --faq-secondary: #8B5CF6;
  --faq-bg: #0B1A3B;
  --faq-text: #FFFFFF;
  --faq-muted: #A0AEC0;
  --faq-glass: rgba(255, 255, 255, 0.06);
  --faq-glass-border: rgba(255, 255, 255, 0.08);
  --faq-radius-card: 16px;
  --faq-transition: 0.25s ease;

  font-family: var(--font-default, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans SC", sans-serif);
  background: var(--faq-bg);
  color: var(--faq-text);
  padding: 2rem 1rem 4rem;
  position: relative;
  z-index: 1;
}

/* 容器 */
.page-faq .faq-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* 页面标题区 */
.page-faq .faq-hed {
  text-align: center;
  margin-bottom: 3rem;
}
.page-faq .faq-breadcrumb {
  font-size: 0.875rem;
  color: var(--faq-muted);
  margin-bottom: 0.5rem;
}
.page-faq .faq-breadcrumb a {
  color: var(--faq-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}
.page-faq .faq-breadcrumb a:hover {
  color: var(--faq-primary);
}
.page-faq .faq-chevron {
  color: var(--faq-muted);
  margin: 0 0.3rem;
}
.page-faq .faq-title {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, var(--faq-primary), var(--faq-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-faq .faq-subtitle {
  font-size: 1.1rem;
  color: var(--faq-muted);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

/* 搜索框 */
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
}
.page-faq .faq-search-input {
  width: 100%;
  padding: 0.85rem 1.2rem 0.85rem 3rem;
  border: 1px solid var(--faq-glass-border);
  border-radius: 60px;
  background: var(--faq-glass);
  color: var(--faq-text);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: background var(--faq-transition), border-color var(--faq-transition);
}
.page-faq .faq-search-input::placeholder {
  color: var(--faq-muted);
  opacity: 0.7;
}
.page-faq .faq-search-input:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--faq-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}
.page-faq .faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--faq-muted);
  pointer-events: none;
}

/* 双栏布局（桌面优先） */
.page-faq .faq-layout {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

/* 快速导航（右侧悬浮） */
.page-faq .faq-quick-nav {
  order: 1;
  flex-shrink: 0;
  width: 200px;
  position: sticky;
  top: 120px;
}
.page-faq .faq-quick-inner {
  background: var(--faq-glass);
  border: 1px solid var(--faq-glass-border);
  border-radius: var(--faq-radius-card);
  padding: 1.2rem 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.page-faq .faq-quick-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-muted);
  margin-bottom: 0.8rem;
  font-weight: 600;
}
.page-faq .faq-quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-quick-link {
  display: block;
  padding: 0.5rem 0 0.5rem 0.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--faq-text);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color var(--faq-transition), color var(--faq-transition);
}
.page-faq .faq-quick-link:hover,
.page-faq .faq-quick-link:focus {
  color: var(--faq-primary);
  border-left-color: var(--faq-primary);
}
.page-faq .faq-quick-link.active {
  color: var(--faq-primary);
  border-left-color: var(--faq-primary);
}

/* 问答列表区 */
.page-faq .faq-list {
  flex: 1;
  min-width: 0;
}

/* 章节 */
.page-faq .faq-section {
  margin-bottom: 3rem;
  scroll-margin-top: 6rem;
}
.page-faq .faq-section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--faq-glass-border);
}
.page-faq .faq-section-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--faq-primary);
  line-height: 1;
  letter-spacing: -0.03em;
}

/* 卡片组 */
.page-faq .faq-card-group {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* 单个问答项 */
.page-faq .faq-item {
  background: var(--faq-glass);
  border: 1px solid var(--faq-glass-border);
  border-radius: var(--faq-radius-card);
  overflow: hidden;
  transition: background var(--faq-transition);
}
.page-faq .faq-item[open] {
  background: rgba(255, 255, 255, 0.09);
}
.page-faq .faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* 问题 */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.2rem;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::after {
  content: "▾";
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--faq-muted);
  transition: transform var(--faq-transition);
}
.page-faq .faq-item[open] .faq-question::after {
  transform: rotate(180deg);
}

.page-faq .faq-q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--faq-primary);
  color: #0B1A3B;
  font-weight: 900;
  font-size: 1rem;
  border-radius: 50%;
  flex-shrink: 0;
}

/* 答案 */
.page-faq .faq-answer {
  padding: 0 1.2rem 1.2rem 4rem;
  line-height: 1.6;
  color: var(--faq-muted);
  font-size: 0.95rem;
}
.page-faq .faq-answer p {
  margin: 0 0 0.8rem;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-inline-link {
  color: var(--faq-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  transition: color var(--faq-transition);
}
.page-faq .faq-inline-link:hover {
  color: var(--faq-primary);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 1rem 0 0;
  text-align: center;
}
.page-faq .faq-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--faq-glass-border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  object-fit: contain;
}
.page-faq .faq-caption {
  font-size: 0.8rem;
  color: var(--faq-muted);
  margin-top: 0.4rem;
  font-style: italic;
}

/* 底部CTA */
.page-faq .faq-cta-area {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--faq-glass-border);
  font-size: 1rem;
  color: var(--faq-muted);
}
.page-faq .faq-cta-area .faq-inline-link {
  font-weight: 600;
}

/* ===== 移动端适配 ===== */
@media (max-width: 820px) {
  .page-faq {
    padding: 1.5rem 0.75rem 3rem;
  }
  .page-faq .faq-layout {
    flex-direction: column;
    gap: 0;
  }
  /* 隐藏悬浮导航，转换为页内锚点顶部 */
  .page-faq .faq-quick-nav {
    position: static;
    width: 100%;
    order: -1;
    margin-bottom: 1.5rem;
  }
  .page-faq .faq-quick-inner {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0.6rem 0.8rem;
  }
  .page-faq .faq-quick-label {
    margin-bottom: 0.4rem;
  }
  .page-faq .faq-quick-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.6rem;
  }
  .page-faq .faq-quick-link {
    padding: 0.3rem 0.4rem;
    font-size: 0.85rem;
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .page-faq .faq-quick-link:hover,
  .page-faq .faq-quick-link.active {
    border-left: none;
    border-bottom-color: var(--faq-primary);
  }
  .page-faq .faq-answer {
    padding-left: 1.2rem;
  }
  .page-faq .faq-section-heading {
    font-size: 1.25rem;
  }
  .page-faq .faq-section-number {
    font-size: 2.2rem;
  }
  .page-faq .faq-question {
    font-size: 0.95rem;
    padding: 0.8rem 1rem;
  }
  .page-faq .faq-q-num {
    width: 1.6rem;
    height: 1.6rem;
    font-size: 0.8rem;
  }
  .page-faq .faq-image {
    max-height: 300px;
    width: auto;
    margin: 0 auto;
  }
  .page-faq .faq-figure {
    margin-top: 0.8rem;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-title {
    font-size: 1.8rem;
  }
  .page-faq .faq-search-input {
    font-size: 0.9rem;
    padding-left: 2.5rem;
  }
  .page-faq .faq-answer {
    font-size: 0.9rem;
  }
  .page-faq .faq-section {
    margin-bottom: 2rem;
  }
  .page-faq .faq-card-group {
    gap: 0.6rem;
  }
}