/**
 * Practice Areas / Industry Sectors Styles
 * 行业领域列表页 + 详情页样式
 */

/* ============================================
   1. 行业领域列表页 - Grid
   ============================================ */
.sectors-section {
  padding: 60px 0 80px;
  background: var(--off-white);
}

.sectors-header {
  text-align: center;
  margin-bottom: 48px;
}

.sectors-header h2 {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: 12px;
}

.sectors-header p {
  font-size: var(--text-lg);
  color: var(--text-gray);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border-gray);
  border-radius: 4px;
  overflow: hidden;
}

.sector-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 32px;
  color: var(--dark-gray);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: 500;
  border-bottom: 1px solid var(--border-gray);
  border-right: 1px solid var(--border-gray);
  transition: background 0.2s ease, color 0.2s ease;
  position: relative;
}

.sector-item:nth-child(3n) {
  border-right: none;
}

.sector-item:hover {
  background: rgba(139, 26, 26, 0.03);
  color: var(--primary);
}

.sector-item::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--primary);
  transition: width 0.2s ease;
}

.sector-item:hover::after {
  width: 3px;
}

.sector-item i {
  color: var(--accent);
  font-size: var(--text-lg);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

/* Office filter dropdown */
.sectors-filter {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.sectors-filter select {
  padding: 8px 32px 8px 14px;
  border: 1px solid var(--border-gray);
  border-radius: 4px;
  font-size: var(--text-sm);
  color: var(--dark-gray);
  background: var(--white);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

/* ============================================
   2. 行业领域详情页
   ============================================ */
.sector-detail-section {
  padding: 48px 0 80px;
  background: var(--off-white);
}

.sector-detail-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
}

/* Main content */
.sector-detail-main {
  min-width: 0;
}

.sector-detail-title {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: 20px;
  line-height: 1.3;
}

.sector-detail-desc {
  font-size: var(--text-base);
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-gray);
}

/* Sub-sectors */
.sub-sectors {
  margin-bottom: 32px;
}

.sub-sectors-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.sub-sectors-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sub-sector-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.sub-sector-children {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 2px solid var(--border-gray);
}

.sub-sector-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--white);
  border: 1px solid var(--border-gray);
  border-radius: 20px;
  font-size: var(--text-sm);
  color: var(--dark-gray);
  transition: all 0.2s ease;
  cursor: default;
}

.sub-sector-tag--level2 {
  font-weight: 500;
  background: rgba(201, 169, 98, 0.08);
  border-color: rgba(201, 169, 98, 0.3);
}

.sub-sector-tag--level3 {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--white);
  border-color: var(--border-gray);
  color: var(--text-gray);
}

.sub-sector-tag:hover {
  border-color: var(--accent);
  color: var(--primary);
  background: rgba(201, 169, 98, 0.06);
}

/* Tabs */
.sector-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-gray);
  margin-bottom: 24px;
}

.sector-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-gray);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
}

.sector-tab::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.sector-tab:hover {
  color: var(--dark-gray);
}

.sector-tab.active {
  color: var(--primary);
  font-weight: 600;
}

.sector-tab.active::after {
  background: var(--primary);
}

.sector-tab i {
  font-size: var(--text-base);
}

/* Tab panels */
.sector-tab-panel {
  display: none;
}

.sector-tab-panel.active {
  display: block;
}

/* News list in tab */
.sector-news-list {
  display: flex;
  flex-direction: column;
}

.sector-news-item {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-gray);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.2s ease;
}

.sector-news-item:first-child {
  padding-top: 0;
}

.sector-news-item:hover {
  padding-left: 8px;
}

.sector-news-item:hover .sector-news-title {
  color: var(--primary);
}

.sector-news-title {
  font-size: var(--text-base);
  color: var(--dark-gray);
  margin-bottom: 4px;
  transition: color 0.2s ease;
  line-height: 1.5;
}

.sector-news-date {
  font-size: var(--text-xs);
  color: var(--text-gray);
}

.sector-load-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 10px 24px;
  border: 1px solid var(--border-gray);
  border-radius: 4px;
  background: var(--white);
  color: var(--dark-gray);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sector-load-more:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Lawyers grid in tab */
.sector-lawyers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.sector-lawyer-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--white);
  border: 1px solid var(--border-gray);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sector-lawyer-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.sector-lawyer-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--light-gray);
}

.sector-lawyer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sector-lawyer-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: 2px;
}

.sector-lawyer-position {
  font-size: var(--text-xs);
  color: var(--accent);
}

/* Empty state */
.sector-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-gray);
  font-size: var(--text-sm);
}

.sector-empty i {
  font-size: 2rem;
  opacity: 0.3;
  margin-bottom: 12px;
  display: block;
}

/* ============================================
   3. 侧边栏 - 其他行业领域
   ============================================ */
.sector-sidebar {
  position: sticky;
  top: 120px;
}

.sector-sidebar-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--dark-gray);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.sector-sidebar-list {
  display: flex;
  flex-direction: column;
}

.sector-sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  font-size: var(--text-sm);
  color: var(--text-gray);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.sector-sidebar-link:hover,
.sector-sidebar-link.active {
  color: var(--primary);
  padding-left: 6px;
}

.sector-sidebar-link.active {
  font-weight: 600;
}

.sector-sidebar-link i {
  font-size: var(--text-xs);
  color: var(--accent);
}

/* Next/Prev navigation */
.sector-nav-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sector-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--text-gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sector-nav-link:hover {
  color: var(--primary);
}

.sector-nav-link i {
  font-size: var(--text-xs);
}

/* ============================================
   4. 响应式
   ============================================ */
@media (max-width: 1024px) {
  .sector-detail-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sector-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .sectors-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sector-item:nth-child(3n) {
    border-right: 1px solid var(--border-gray);
  }

  .sector-item:nth-child(2n) {
    border-right: none;
  }

  .sector-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sector-tab {
    white-space: nowrap;
    padding: 10px 16px;
  }

  .sector-lawyers-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .sectors-grid {
    grid-template-columns: 1fr;
  }

  .sector-item:nth-child(2n) {
    border-right: none;
  }
}

/* ============================================
   5. 减少动画偏好
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .sector-item,
  .sector-item::after,
  .sector-tab,
  .sector-tab::after,
  .sector-news-item,
  .sector-sidebar-link,
  .sub-sector-tag,
  .sector-lawyer-card,
  .sector-load-more,
  .sector-nav-link {
    transition: none !important;
  }
}