/**
 * 玲珑颜 - 知识库页样式
 * @file webroot/lly/css/knowledge.css
 */

.lly-knowledge-banner {
  padding: 100px 0 40px;
  background: linear-gradient(135deg, #FAF6F2 0%, #E8D5F0 100%);
  text-align: center;
}

.lly-knowledge-banner__tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--lly-color-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.lly-knowledge-banner__title {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  color: var(--lly-color-text);
  margin-bottom: 10px;
}

.lly-knowledge-banner__subtitle {
  font-size: 14px;
  color: var(--lly-color-text-secondary);
  margin-bottom: 24px;
}

.lly-knowledge-search {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 0 auto;
}

.lly-knowledge-search .lly-input {
  flex: 1;
}

.lly-knowledge-filter {
  padding: 20px 0;
  background: var(--lly-color-bg);
  border-bottom: 1px solid var(--lly-color-border);
}

.lly-knowledge-list-section {
  padding: 40px 0 60px;
}

.lly-knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lly-knowledge-card {
  background: var(--lly-color-bg);
  border-radius: var(--lly-radius-lg);
  overflow: hidden;
  box-shadow: var(--lly-shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
}

.lly-knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lly-shadow-lg);
}

.lly-knowledge-card__cover {
  width: 100%;
  padding-top: 56%;
  position: relative;
  overflow: hidden;
  background: var(--lly-color-bg-light);
}

.lly-knowledge-card__cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.lly-knowledge-card:hover .lly-knowledge-card__cover img {
  transform: scale(1.05);
}

.lly-knowledge-card__category {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: rgba(192, 132, 151, 0.9);
  color: white;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.lly-knowledge-card__body {
  padding: 20px;
}

.lly-knowledge-card__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--lly-color-text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lly-knowledge-card__summary {
  font-size: 13px;
  color: var(--lly-color-text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lly-knowledge-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--lly-color-text-light);
}

.lly-knowledge-card__views {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lly-knowledge-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.lly-page-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--lly-color-border);
  background: var(--lly-color-bg);
  border-radius: var(--lly-radius-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--lly-color-text-secondary);
  transition: all 0.3s ease;
}

.lly-page-btn:hover,
.lly-page-btn--active {
  background: var(--lly-color-primary);
  color: white;
  border-color: var(--lly-color-primary);
}

.lly-loading-placeholder {
  text-align: center;
  padding: 60px 20px;
  color: var(--lly-color-text-light);
  grid-column: 1 / -1;
}

@media (max-width: 768px) {
  .lly-knowledge-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .lly-knowledge-search {
    flex-direction: column;
  }
}