/* front-core.css — 前台列表/详情页通用组件 */

/* ── 页面英雄区 ── */
.page-hero {
  padding: 22px 0;
  background: #fff;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 20px;
  align-items: start;
  width: var(--container-width);
  max-width: 100%;
  margin: 0 auto;
}
.hero-grid--company {
  grid-template-columns: 1fr 260px;
}
.article-hero {
  max-width: 960px;
}
.eyebrow { display: none; }

.page-hero h1 {
  font-size: var(--font-2xl);
  line-height: 1.35;
  color: var(--text-primary);
  margin: 0;
  font-weight: 700;
}
.hero-summary {
  margin-top: 10px;
  color: var(--gray-600);
  font-size: var(--font-base);
  line-height: 1.75;
}
.hero-actions,
.meta-row,
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-actions { margin-top: 14px; }
.hero-panel { display: grid; gap: 12px; }

/* ── 卡片组件 ── */
.metric-card,
.cluster-card,
.content-card,
.sidebar-card,
.insight-card,
.article-card,
.entity-card,
.product-card-lite,
.faq-item {
  background: rgba(255,255,255,0.97);
  border: 0;
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-sm);
  transition: .18s;
}
.cluster-card:hover,
.content-card:hover,
.insight-card:hover,
.article-card:hover,
.entity-card:hover,
.product-card-lite:hover,
.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.metric-card,
.cluster-card,
.content-card,
.sidebar-card,
.insight-card,
.faq-item {
  padding: 14px 16px;
}
.metric-card span,
.article-card span,
.entity-card span,
.product-card-lite span,
.sidebar-link,
.empty-inline {
  color: var(--text-tertiary);
  font-size: var(--font-xs);
}
.metric-card strong {
  display: block;
  margin: 6px 0;
  color: var(--primary-orange);
  font-size: var(--font-2xl);
}

/* ── section ── */
.section-shell { padding: var(--section-gap) 0; }
.section-shell--soft { background: var(--gray-50); }
.section-head { margin-bottom: 16px; }
.section-head h2 {
  margin: 0;
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
}
.section-head h2:before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  margin-right: 10px;
  background: var(--primary-orange);
  border-radius: 6px;
  vertical-align: -3px;
}
.section-head p,
.cluster-card p,
.insight-card p,
.article-card p,
.entity-card p,
.faq-item p {
  color: var(--gray-600);
  font-size: var(--font-sm);
  line-height: 1.75;
  margin: 0;
}

/* ── 网格 ── */
.cluster-grid,
.card-grid--company {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.cluster-top,
.entity-card {
  display: flex;
  gap: 12px;
}
.cluster-top {
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.pill-row--wrap { gap: 6px; }
.pill,
.meta-pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: var(--font-xs);
}
.entity-card,
.article-card,
.product-card-lite {
  padding: 14px;
  color: inherit;
  text-decoration: none;
}
.entity-card img,
.company-mark,
.product-card-lite img {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--gray-100);
}
.company-mark {
  width: 60px;
  height: 60px;
}

.stack-list,
.insight-list,
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.article-card strong,
.entity-card h3,
.insight-card h3,
.product-card-lite strong,
.sidebar-card h3,
.faq-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: var(--font-base);
  font-weight: 700;
}

.two-col-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
}
.rich-text,
.rich-text p {
  color: var(--text-primary);
  font-size: var(--font-base);
  line-height: 1.8;
}
.rich-text p + p { margin-top: 10px; }

.sidebar-card { display: grid; gap: 8px; }
.sidebar-link {
  display: block;
  color: var(--text-secondary);
  font-size: var(--font-sm);
}
.sidebar-link:hover { color: var(--primary-orange); }

.info-list {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 6px 10px;
  margin: 0;
  font-size: var(--font-sm);
}
.info-list dt { color: var(--text-tertiary); }
.info-list dd { margin: 0; color: var(--text-primary); }

.product-card-lite { display: grid; gap: 8px; }
.card-grid--product {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.empty-state,
.empty-inline {
  padding: 20px;
  background: var(--gray-100);
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: var(--font-sm);
  text-align: center;
}

/* ── section-head--split ── */
.section-head--split {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.section-link,
.section-hint {
  white-space: nowrap;
  color: var(--primary-orange);
  font-size: var(--font-sm);
}

.meta-pill--soft {
  background: var(--gray-100);
  color: var(--gray-700);
}

/* ── 文章筛选 ── */
.article-hub-filter-card { display: grid; gap: 12px; }
.article-filter-form { display: grid; gap: 12px; }
.article-filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.filter-field { display: grid; gap: 4px; }
.filter-field span,
.filter-chip-label {
  color: var(--gray-700);
  font-size: var(--font-xs);
}
.filter-field input,
.filter-field select {
  width: 100%;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text-primary);
  font-size: var(--font-sm);
  outline: 0;
}
.filter-field input:focus,
.filter-field select:focus {
  border-color: var(--primary-orange);
}
.article-filter-actions,
.filter-chip-row,
.filter-active-row,
.article-card-top,
.article-card-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-chip-group { display: grid; gap: 8px; }
.filter-chip,
.filter-active-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  transition: .15s;
}
.filter-chip {
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--text-secondary);
}
.filter-chip.is-active,
.filter-chip:hover {
  border-color: var(--primary-orange);
  background: var(--primary-orange-light);
  color: var(--primary-orange-dark);
}
.filter-active-chip {
  background: var(--gray-900);
  color: #fff;
  border-radius: 999px;
}

.article-hub-list { gap: 12px; }
.article-card--hub {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
}
.article-card-top {
  justify-content: space-between;
  align-items: center;
}
.article-card--hub h3 {
  margin: 0;
  font-size: var(--font-lg);
  line-height: 1.4;
  font-weight: 700;
}
.article-card--hub h3 a { color: inherit; }
.article-card--hub h3 a:hover { color: var(--primary-orange); }
.article-card-date,
.article-card-bottom span {
  color: var(--text-tertiary);
  font-size: var(--font-xs);
}

/* ── 分页 ── */
.page-pagination { margin-top: 18px; }
.page-pagination .pagination,
.page-pagination .pager {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-pagination li a,
.page-pagination li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  font-size: var(--font-sm);
  transition: .15s;
}
.page-pagination li a:hover {
  background: var(--primary-orange-light);
  color: var(--primary-orange);
}
.page-pagination li.active span {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 12px rgba(242,106,27,0.3);
}
.page-pagination li.disabled span {
  background: var(--gray-100);
  color: var(--text-disabled);
}

/* ── 按钮（front-core 覆盖层） ── */
/* ── 响应式 ── */
@media (max-width: 1220px) {
  .hero-grid,
  .content-grid {
    width: 1000px;
    max-width: 100%;
    margin: 0 auto;
  }
}
@media (max-width: 1024px) {
  .hero-grid,
  .two-col-grid,
  .content-grid,
  .cluster-grid,
  .card-grid--company,
  .card-grid--product {
    grid-template-columns: 1fr;
  }
  .article-filter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .page-hero h1 { font-size: var(--font-xl); }
  .entity-card,
  .cluster-top {
    flex-direction: column;
  }
  .section-head--split {
    flex-direction: column;
    align-items: flex-start;
  }
  .article-filter-grid {
    grid-template-columns: 1fr;
  }
}

/* ── 广告位 ── */
.ad-slot {
  width: var(--container-width);
  max-width: 100%;
  margin: 24px auto;
}
.ad-slot__link {
  display: block;
  border-radius: 6px;
  overflow: hidden;
}
.ad-slot__link img {
  width: 100%;
  height: auto;
  display: block;
}

/* 竖版侧边广告 */
.ad-vertical {
  margin: 16px 0;
}
.ad-vertical a {
  display: block;
  border-radius: 6px;
  overflow: hidden;
}
.ad-vertical img {
  width: 100%;
  height: auto;
  display: block;
}
.ad-vertical-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 16px 0;
}
.ad-vertical-list .ad-vertical {
  margin: 0;
}