/* skin-2.css - 书籍分类页（Books Hub1/Hub2），深绿强调，高级暖灰底色 */
body {
  background-color: #F7F5F2;
}

.skin-accent {
  color: var(--brand-accent);
  border-bottom: 2px solid var(--brand-accent);
  padding-bottom: 8px;
}

/* ============ 面包屑 ============ */
.breadcrumb {
  font-size: 0.85rem;
  color: #999;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.breadcrumb a {
  color: var(--brand-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover {
  color: var(--brand-primary);
}

/* ============ 页面头部 ============ */
.page-alive {
  background: #F0F5F2;
  border: 1px solid #D8E5DC;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: #3E5C50;
  margin: 16px 0;
  display: inline-block;
}

/* ============ 信任条 ============ */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  background: #FFFFFF;
  border: 1px solid #E8E4DE;
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
  box-shadow: 0 2px 8px rgba(46,42,36,0.04);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #3E5C50;
}
.trust-item .icon {
  font-size: 1.3rem;
}

/* ============ 导语 ============ */
.intro {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 24px 28px;
  margin: 24px 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #444;
  border: 1px solid #E8E4DE;
  box-shadow: 0 2px 8px rgba(46,42,36,0.04);
}

/* ============ 意图分流 ============ */
.intent-funnel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.funnel-item {
  background: #FFFFFF;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #E8E4DE;
  border-left: 4px solid var(--brand-accent);
  transition: all 0.25s;
  box-shadow: 0 2px 8px rgba(46,42,36,0.04);
}
.funnel-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(46,42,36,0.08);
  border-color: var(--brand-accent);
}
.funnel-item strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-serif);
  color: var(--brand-primary);
  font-size: 1.05rem;
}
.funnel-item a {
  color: var(--brand-accent);
  text-decoration: none;
  font-size: 0.9rem;
}
.funnel-item a:hover {
  text-decoration: underline;
}

/* ============ 区块标题 ============ */
.featured-section h2,
.subcategory-nav h2,
.all-articles h2,
.faq-section h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--brand-primary);
  margin: 40px 0 24px;
  font-weight: normal;
  border-bottom: 1px solid #E8E4DE;
  padding-bottom: 12px;
}

/* ============ 编辑精选卡片 ============ */
.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.article-card {
  background: #FFFFFF;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(46,42,36,0.05);
  border: 1px solid #E8E4DE;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(46,42,36,0.1);
  border-color: var(--brand-accent);
}
.article-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.article-card .card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.article-card .card-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--brand-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.article-card .card-title a {
  color: var(--brand-primary);
  text-decoration: none;
}
.article-card .card-title a:hover {
  color: var(--brand-accent);
}
.article-card .card-summary {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card .card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-size: 0.8rem;
  color: #999;
}
.dp-badge {
  display: inline-block;
  background: var(--brand-accent);
  color: #fff;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
  text-decoration: none;
}

/* ============ 子分类导航 ============ */
.subcategory-nav {
  margin: 32px 0;
}
.silo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.silo-card {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 24px 20px;
  text-align: center;
  border: 1px solid #E8E4DE;
  transition: all 0.25s;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(46,42,36,0.04);
}
.silo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(46,42,36,0.08);
  border-color: var(--brand-accent);
}
.silo-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--brand-primary);
  margin-bottom: 8px;
}
.silo-card h3 a {
  color: var(--brand-primary);
  text-decoration: none;
}
.silo-card h3 a:hover {
  color: var(--brand-accent);
}
.silo-card p {
  font-size: 0.9rem;
  color: #777;
}

/* ============ FAQ ============ */
.faq-section {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 24px 28px;
  margin: 32px 0;
  border: 1px solid #E8E4DE;
  box-shadow: 0 2px 8px rgba(46,42,36,0.04);
}
.faq-item {
  border-bottom: 1px solid #EEECE8;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-question {
  padding: 16px 0;
  cursor: pointer;
  font-weight: bold;
  color: var(--brand-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
}
.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--brand-accent);
}
.faq-item.active .faq-question::after {
  content: '−';
}
.faq-answer {
  padding: 0 0 16px;
  color: #555;
  line-height: 1.6;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}

/* ============ 移动端 ============ */
@media (max-width: 768px) {
  .trust-bar {
    gap: 12px;
    padding: 12px 14px;
  }
  .trust-item {
    font-size: 0.8rem;
  }
  .intro {
    padding: 18px;
    font-size: 0.95rem;
  }
  .intent-funnel {
    grid-template-columns: 1fr;
  }
  .funnel-item {
    padding: 16px;
  }
  .article-list {
    grid-template-columns: 1fr;
  }
  .silo-grid {
    grid-template-columns: 1fr 1fr;
  }
  .silo-card {
    padding: 16px;
  }
  .silo-card h3 {
    font-size: 1rem;
  }
  .faq-section {
    padding: 18px;
  }
}