/* 精华列表页（对齐根目录 essence.html 版式，仅本页引入） */

.essence-page-header {
  background: linear-gradient(135deg, #0f4c81 0%, #1a6ba0 100%);
  color: #fff;
  padding: 50px 0 40px;
  margin-bottom: 40px;
}
.essence-page-header h1 {
  font-size: 32px;
  margin-bottom: 12px;
  font-weight: 600;
}
.essence-page-header p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 720px;
  line-height: 1.55;
}
.essence-page-header .essence-header-stats {
  display: flex;
  gap: 30px;
  margin-top: 20px;
  font-size: 14px;
  flex-wrap: wrap;
}
.essence-page-header .essence-header-stats span {
  opacity: 0.88;
}

.essence-page-main {
  padding: 0 0 60px;
}

.essence-breadcrumb {
  font-size: 14px;
  color: #666;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid #e8eef5;
}
.essence-breadcrumb a {
  color: #0f4c81;
  text-decoration: none;
}
.essence-breadcrumb a:hover {
  color: #ff7f24;
}
.essence-breadcrumb span.sep {
  color: #999;
  margin: 0 6px;
}

.essence-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.essence-item-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}
.essence-item-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.essence-item-card .essence-img-link {
  display: block;
  overflow: hidden;
  height: 180px;
  background: #e8eef5;
}
.essence-item-card .essence-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.essence-item-card:hover .essence-img {
  transform: scale(1.05);
}

.essence-item-card .essence-card-body {
  padding: 20px;
}
.essence-item-card .essence-tag {
  display: inline-block;
  padding: 3px 10px;
  background-color: #e8f4f8;
  color: #0f4c81;
  font-size: 12px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.essence-item-card .essence-item-title {
  font-size: 18px;
  color: #0f4c81;
  margin-bottom: 10px;
  line-height: 1.5;
  font-weight: 600;
}
.essence-item-card .essence-item-title a {
  color: inherit;
  text-decoration: none;
}
.essence-item-card .essence-item-title a:hover {
  color: #ff7f24;
}
.essence-item-card .essence-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.essence-item-card .essence-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: #999;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.essence-item-card .essence-btn {
  display: inline-block;
  padding: 8px 20px;
  background-color: #ff7f24;
  color: #fff !important;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}
.essence-item-card .essence-btn:hover {
  background-color: #e67018;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.essentials-pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 50px;
  flex-wrap: wrap;
}
.essentials-pagination .page-item {
  display: inline-block;
  padding: 8px 14px;
  background-color: #fff;
  border-radius: 4px;
  color: #333;
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}
.essentials-pagination .page-item:hover,
.essentials-pagination .page-item.active {
  background-color: #0f4c81;
  color: #fff;
  border-color: #0f4c81;
}
.essentials-pagination span.page-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.essentials-pagination span.page-item.disabled:hover {
  background-color: #fff;
  color: #333;
  border-color: #e0e0e0;
}

.essence-empty-hint {
  text-align: center;
  color: #666;
  padding: 48px 20px;
  grid-column: 1 / -1;
}

@media (max-width: 992px) {
  .essence-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .essence-page-header {
    padding: 35px 0 30px;
    margin-bottom: 30px;
  }
  .essence-page-header h1 {
    font-size: 24px;
  }
  .essence-page-header p {
    font-size: 14px;
  }
  .essence-page-header .essence-header-stats {
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
  }
  .essence-list-grid {
    grid-template-columns: 1fr;
  }
}