.page-faq {
  --faq-red: var(--primary, #D32F2F);
  --faq-gold: var(--accent, #FFD700);
  --faq-dark: var(--secondary, #2C2C2C);
  --faq-bg-light: var(--bg-light, #F5F5F5);
  --faq-bg-dark: var(--bg-dark, #1A1A1A);
  --faq-border: var(--border, #E0E0E0);
  --faq-text: var(--text-primary, #111);
  --faq-text-muted: var(--text-secondary, #666);
  --faq-mono: var(--font-mono, 'JetBrains Mono', monospace);
  --faq-container: min(1200px, 100% - 2rem);
  --faq-radius: 0;
  --faq-transition: 300ms ease-out;

  display: block;
  width: 100%;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--faq-text);
  background: var(--faq-bg-light);
  line-height: 1.6;
}

/* 容器 */
.page-faq .container {
  max-width: var(--faq-container);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* 面包屑 */
.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-block: 1.25rem 0.75rem;
  font-size: 0.875rem;
  color: var(--faq-text-muted);
}
.page-faq .faq-breadcrumb-link {
  color: var(--faq-text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--faq-transition), border-color var(--faq-transition);
}
.page-faq .faq-breadcrumb-link:hover,
.page-faq .faq-breadcrumb-link:focus-visible {
  color: var(--faq-red);
  border-bottom-color: var(--faq-red);
}
.page-faq .faq-breadcrumb-sep {
  color: var(--faq-border);
  font-family: var(--faq-mono);
}
.page-faq .faq-breadcrumb-current {
  color: var(--faq-text);
  font-weight: 600;
}

/* Hero 区域 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 0;
}
.page-faq .faq-hero-image-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--faq-dark);
}
.page-faq .faq-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}
.page-faq .faq-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(211,47,47,0.75) 0%, rgba(44,44,44,0.85) 100%);
  mix-blend-mode: multiply;
}
.page-faq .faq-hero-content {
  position: relative;
  z-index: 2;
  padding-block: 1.5rem 2rem;
  margin-top: -60px;
}
.page-faq .faq-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.page-faq .faq-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.88);
  margin: 0;
  font-weight: 400;
  max-width: 32em;
}

/* 分类标签 */
.page-faq .faq-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-block: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--faq-border);
  margin-top: 0.5rem;
}
.page-faq .faq-cat {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--faq-text-muted);
  background: transparent;
  border: 1px solid var(--faq-border);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: all var(--faq-transition);
  cursor: pointer;
}
.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  color: var(--faq-red);
  border-color: var(--faq-red);
  background: rgba(211,47,47,0.04);
}
.page-faq .faq-cat:focus-visible {
  outline: 2px solid var(--faq-red);
  outline-offset: 2px;
}
.page-faq .faq-cat[aria-current="page"],
.page-faq .faq-cat:active {
  color: #fff;
  background: var(--faq-red);
  border-color: var(--faq-red);
}

/* 搜索框 */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 0;
  padding-block: 1.5rem 0.5rem;
  max-width: 32rem;
  margin-inline: auto 1rem;
}
.page-faq .faq-search-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--faq-red);
  color: #fff;
  flex-shrink: 0;
  cursor: pointer;
  transition: background var(--faq-transition);
}
.page-faq .faq-search-label:hover {
  background: #b71c1c;
}
.page-faq .faq-search-icon {
  font-size: 1.4rem;
  line-height: 1;
  font-weight: 700;
}
.page-faq .faq-search-input {
  flex: 1;
  height: 3rem;
  padding: 0 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--faq-text);
  background: #fff;
  border: 1px solid var(--faq-border);
  border-left: none;
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}
.page-faq .faq-search-input::placeholder {
  color: var(--faq-text-muted);
  opacity: 0.7;
}
.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--faq-red);
  box-shadow: inset 0 0 0 1px var(--faq-red);
}

/* 问题列表容器 */
.page-faq .faq-sections {
  padding-block: 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 每个问题区块 */
.page-faq .faq-section {
  border-top: 2px solid var(--faq-border);
  padding-top: 1.5rem;
  scroll-margin-top: 90px;
}
.page-faq .faq-section:target {
  border-top-color: var(--faq-red);
}
.page-faq .faq-section:target .section-title {
  color: var(--faq-red);
}

/* section 标题 */
.page-faq .section-title {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--faq-dark);
  margin: 0 0 1.25rem;
  line-height: 1.2;
  transition: color var(--faq-transition);
}
.page-faq .section-title-num {
  font-family: var(--faq-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--faq-red);
  letter-spacing: -0.02em;
}

/* 区块内部布局（用于有图片的区块） */
.page-faq .faq-section-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* 折叠列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 单个折叠项 */
.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--faq-border);
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
}
.page-faq .faq-item:hover {
  border-color: var(--faq-gold);
  box-shadow: 0 2px 12px rgba(255,215,0,0.08);
}
.page-faq .faq-item[open] {
  border-color: var(--faq-red);
  box-shadow: 0 2px 16px rgba(211,47,47,0.06);
}

/* 问题标题（可点击） */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--faq-dark);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--faq-transition), background var(--faq-transition);
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::marker {
  display: none;
  content: '';
}
.page-faq .faq-question:hover,
.page-faq .faq-item[open] .faq-question {
  color: var(--faq-red);
  background: rgba(211,47,47,0.02);
}

/* 红色问号图标 */
.page-faq .faq-q-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  font-size: 0.85rem;
  font-weight: 900;
  color: #fff;
  background: var(--faq-red);
  flex-shrink: 0;
  line-height: 1;
  font-family: var(--faq-mono);
  transition: background var(--faq-transition), transform var(--faq-transition);
}
.page-faq .faq-item[open] .faq-q-icon {
  background: var(--faq-dark);
  transform: scale(1.05);
}

/* 答案内容 */
.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem calc(1.25rem + 2.2rem);
  font-size: 0.95rem;
  color: var(--faq-text-muted);
  line-height: 1.7;
}
.page-faq .faq-answer p {
  margin: 0 0 0.5rem;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-answer a {
  color: var(--faq-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--faq-transition);
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: #b71c1c;
  text-decoration: none;
}

/* 区块内的图片 */
.page-faq .faq-section-figure {
  margin: 0.5rem 0 0;
  max-width: 300px;
  background: #fff;
  border: 1px solid var(--faq-border);
  padding: 0.5rem;
}
.page-faq .faq-section-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 300 / 200;
}
.page-faq .faq-section-caption {
  padding-block: 0.5rem 0.15rem;
  font-size: 0.8rem;
  color: var(--faq-text-muted);
  text-align: center;
  font-style: normal;
  letter-spacing: 0.02em;
}

/* 底部 CTA */
.page-faq .faq-cta {
  background: var(--faq-dark);
  color: #fff;
  padding-block: 3rem 4rem;
  margin-top: 1rem;
  text-align: center;
}
.page-faq .faq-cta .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.page-faq .faq-cta-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.01em;
}
.page-faq .faq-cta-text {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  margin: 0;
}
.page-faq .faq-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--faq-red);
  text-decoration: none;
  border: 1px solid var(--faq-red);
  transition: all var(--faq-transition);
  margin-top: 0.25rem;
}
.page-faq .faq-cta-btn:hover,
.page-faq .faq-cta-btn:focus-visible {
  background: #b71c1c;
  border-color: var(--faq-gold);
  box-shadow: 0 0 0 2px var(--faq-gold);
  outline: none;
}

/* 桌面端 - 768px 及以上 */
@media (min-width: 768px) {
  .page-faq .container {
    padding-inline: 2rem;
  }

  .page-faq .faq-breadcrumb {
    padding-block: 1.5rem 1rem;
    font-size: 0.9rem;
  }

  .page-faq .faq-hero-image-wrap {
    height: 320px;
  }
  .page-faq .faq-hero-content {
    margin-top: -80px;
    padding-block: 2rem 2.5rem;
  }
  .page-faq .faq-title {
    font-size: 3.5rem;
  }
  .page-faq .faq-subtitle {
    font-size: 1.2rem;
  }

  .page-faq .faq-categories {
    gap: 0.75rem;
    padding-block: 2rem 1.5rem;
  }
  .page-faq .faq-cat {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
  }

  .page-faq .faq-search {
    padding-block: 2rem 1rem;
    margin-inline: auto;
  }
  .page-faq .faq-search-label {
    width: 3.5rem;
    height: 3.5rem;
  }
  .page-faq .faq-search-icon {
    font-size: 1.6rem;
  }
  .page-faq .faq-search-input {
    height: 3.5rem;
    font-size: 1rem;
    padding: 0 1.25rem;
  }

  .page-faq .faq-sections {
    gap: 3.5rem;
    padding-block: 2rem 4rem;
  }

  .page-faq .faq-section {
    padding-top: 2rem;
  }
  .page-faq .section-title {
    font-size: 1.85rem;
  }
  .page-faq .section-title-num {
    font-size: 1.2rem;
  }

  .page-faq .faq-section-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }
  .page-faq .faq-section-inner .faq-list {
    flex: 1;
  }
  .page-faq .faq-section-inner .faq-section-figure {
    flex-shrink: 0;
    margin-top: 0.25rem;
  }

  .page-faq .faq-question {
    padding: 1.15rem 1.5rem;
    font-size: 1.05rem;
  }
  .page-faq .faq-answer {
    padding: 0 1.5rem 1.5rem calc(1.5rem + 2.4rem);
  }

  .page-faq .faq-cta {
    padding-block: 4rem 5rem;
  }
  .page-faq .faq-cta-title {
    font-size: 2.2rem;
  }
  .page-faq .faq-cta-btn {
    padding: 0.9rem 3rem;
    font-size: 1.05rem;
  }
}

/* 桌面大屏 - 1024px 及以上 */
@media (min-width: 1024px) {
  .page-faq .faq-hero-image-wrap {
    height: 400px;
  }
  .page-faq .faq-hero-content {
    margin-top: -100px;
    padding-block: 2.5rem 3rem;
  }
  .page-faq .faq-title {
    font-size: 4.2rem;
  }
  .page-faq .faq-subtitle {
    font-size: 1.3rem;
  }

  .page-faq .faq-categories {
    gap: 1rem;
  }
  .page-faq .faq-cat {
    padding: 0.6rem 1.75rem;
    font-size: 0.95rem;
  }
}

/* 极窄屏适配 */
@media (max-width: 380px) {
  .page-faq .faq-title {
    font-size: 1.8rem;
  }
  .page-faq .faq-cat {
    font-size: 0.78rem;
    padding: 0.3rem 0.75rem;
  }
  .page-faq .faq-question {
    font-size: 0.9rem;
    padding: 0.85rem 1rem;
  }
  .page-faq .faq-answer {
    padding: 0 1rem 1rem calc(1rem + 2rem);
    font-size: 0.88rem;
  }
  .page-faq .section-title {
    font-size: 1.3rem;
  }
}