/* =============================================
   知识库 Wiki 卡片样式
   适配现有深色主题
   ============================================= */

/* ---------- 顶部搜索栏 ---------- */
.kb-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 0 2px;
}

.kb-search-input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 10px 16px 10px 40px;
  color: #f1f5f9;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.099zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 14px center;
}
.kb-search-input::placeholder { color: #475569; }
.kb-search-input:focus {
  border-color: rgba(167,139,250,0.4);
  background-color: rgba(255,255,255,0.09);
}

.kb-count-badge {
  font-size: 12px;
  color: #64748b;
  white-space: nowrap;
}

/* ---------- 标签筛选条 ---------- */
.kb-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.kb-filter-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.kb-filter-btn:hover {
  border-color: rgba(255,255,255,0.2);
  color: #cbd5e1;
}
.kb-filter-btn.active {
  background: rgba(167,139,250,0.15);
  border-color: rgba(167,139,250,0.4);
  color: #a78bfa;
}

/* ---------- Wiki 卡片网格 ---------- */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

/* ---------- 单张 Wiki 卡片 ---------- */
.wiki-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
}

.wiki-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--card-color, #a78bfa);
  opacity: 0.6;
  border-radius: 14px 0 0 14px;
  transition: opacity 0.2s;
}

.wiki-card:hover {
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  background: rgba(255,255,255,0.06);
}
.wiki-card:hover::before { opacity: 1; }

.wiki-card.expanded {
  border-color: var(--card-color, #a78bfa);
  box-shadow: 0 0 0 1px var(--card-color, #a78bfa);
}

/* 卡片头部 */
.wiki-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 10px;
}

.wiki-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  line-height: 1.4;
  flex: 1;
}

.wiki-card-tag {
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 10px;
  white-space: nowrap;
  background: rgba(167,139,250,0.12);
  color: var(--card-color, #a78bfa);
  border: 1px solid rgba(167,139,250,0.2);
  flex-shrink: 0;
}

/* 一句话描述 */
.wiki-card-desc {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 12px;
  flex: 1;
}

/* 展开后的详情区（保留兼容，默认不显示）*/
.wiki-card-detail { display: none; }

.wiki-card-example {
  font-size: 12px;
  color: #64748b;
  font-style: italic;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 10px;
  line-height: 1.6;
  border-left: 2px solid var(--card-color, #a78bfa);
}
.wiki-card-example::before {
  content: '📌 ';
  font-style: normal;
  font-size: 11px;
}

/* 相关笔记标签 */
.wiki-card-related {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.wiki-card-related-label {
  font-size: 11px;
  color: #475569;
  width: 100%;
  margin-bottom: 2px;
}
.wiki-related-tag {
  font-size: 11px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: #64748b;
  padding: 2px 8px;
  border-radius: 8px;
}

/* 卡片底部 footer */
.wiki-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* 查看详情 / 深度阅读 标签 */
.wiki-card-detail-link {
  font-size: 11px;
  color: var(--card-color, #a78bfa);
  font-weight: 500;
  letter-spacing: 0.3px;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.wiki-card:hover .wiki-card-detail-link {
  opacity: 1;
}


/* ---------- 空状态 ---------- */
.kb-empty {
  text-align: center;
  padding: 60px 20px;
  color: #475569;
}
.kb-empty-icon { font-size: 40px; margin-bottom: 12px; }
.kb-empty-text { font-size: 14px; }

/* ---------- 知识库分区标题（知识库模块内） ---------- */
.kb-section-divider {
  font-size: 12px;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 24px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .kb-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   新增：参考 mungermodels.com 丰富内容样式
   ============================================= */

/* ---------- Hero 数据统计条 ---------- */
.knowledge-hero-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
}

.hero-stat-item {
  flex: 1;
  min-width: 80px;
  text-align: center;
  padding: 10px 6px;
  background: rgba(255,255,255,0.03);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.2s, transform 0.2s;
}
.hero-stat-item:hover {
  border-color: rgba(167,139,250,0.3);
  transform: translateY(-1px);
}

.hero-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: #a78bfa;
  line-height: 1;
  margin-bottom: 5px;
  font-family: 'Orbitron', monospace;
}
.hero-stat-label {
  font-size: 11px;
  color: #64748b;
  line-height: 1.3;
}

/* ---------- 今日推荐轮播 ---------- */
.today-recommend {
  margin-bottom: 20px;
  background: rgba(20, 20, 30, 0.8);
  border: 1px solid rgba(167,139,250,0.2);
  border-radius: 14px;
  padding: 16px 20px;
  position: relative;
  overflow: hidden;
}

.today-recommend::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #a78bfa, #38bdf8, #f59e0b);
}

.today-recommend-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.today-recommend-title {
  font-size: 12px;
  color: #a78bfa;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.recommend-nav {
  display: flex;
  gap: 6px;
  align-items: center;
}
.recommend-nav-btn {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  color: #94a3b8;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}
.recommend-nav-btn:hover {
  border-color: rgba(167,139,250,0.4);
  color: #a78bfa;
}

.recommend-cards-track {
  display: flex;
  gap: 10px;
  overflow: hidden;
}

.recommend-card {
  flex-shrink: 0;
  width: calc(33.33% - 7px);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.recommend-card:hover {
  border-color: var(--rc-color, rgba(167,139,250,0.4));
  background: rgba(255,255,255,0.06);
}

.recommend-card-name {
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 5px;
}
.recommend-card-desc {
  font-size: 11px;
  color: #64748b;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.recommend-card-link {
  font-size: 11px;
  color: var(--rc-color, #a78bfa);
}

/* ---------- 分类筛选横条（横向滚动版）---------- */
.model-filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.model-filter-bar::-webkit-scrollbar { display: none; }

.model-filter-btn {
  flex-shrink: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.model-filter-btn:hover {
  border-color: rgba(255,255,255,0.2);
  color: #cbd5e1;
}
.model-filter-btn.active {
  color: var(--filter-color, #a78bfa);
  background: rgba(167,139,250,0.12);
  border-color: var(--filter-color, rgba(167,139,250,0.4));
}

/* ---------- 认知模型卡片 ---------- */
.model-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.model-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--model-color, #a78bfa);
  opacity: 0.6;
  border-radius: 14px 0 0 14px;
  transition: opacity 0.2s;
}
.model-card:hover {
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.model-card:hover::before { opacity: 1; }
.model-card.expanded {
  border-color: var(--model-color, #a78bfa);
}

.model-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.model-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  flex: 1;
}

.model-card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.model-category-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  color: var(--model-color, #a78bfa);
  background: rgba(167,139,250,0.1);
  border: 1px solid rgba(167,139,250,0.2);
  white-space: nowrap;
}

/* 重要度评分 ◆ */
.model-importance {
  display: flex;
  gap: 2px;
}
.importance-gem {
  font-size: 9px;
  color: var(--model-color, #a78bfa);
  opacity: 0.35;
}
.importance-gem.filled {
  opacity: 1;
}

.model-card-summary {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 10px;
}

.model-card-source {
  font-size: 11px;
  color: #475569;
  margin-bottom: 8px;
}

.model-card-detail {
  display: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 10px;
  margin-top: 4px;
}
.model-card.expanded .model-card-detail { display: block; }

.model-key-insight {
  font-size: 12px;
  color: #64748b;
  font-style: italic;
  background: rgba(255,255,255,0.03);
  border-left: 2px solid var(--model-color, #a78bfa);
  padding: 8px 12px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 10px;
  line-height: 1.6;
}

.model-use-cases {
  margin-bottom: 10px;
}
.model-use-cases-title {
  font-size: 11px;
  color: #475569;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.model-use-cases-list {
  list-style: none;
  margin: 0; padding: 0;
}
.model-use-cases-list li {
  font-size: 12px;
  color: #64748b;
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}
.model-use-cases-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--model-color, #a78bfa);
  font-size: 10px;
}

.model-related-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.model-related-tag {
  font-size: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: #64748b;
  padding: 2px 8px;
  border-radius: 8px;
}

.model-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 8px;
}
.model-expand-btn {
  font-size: 11px;
  color: #475569;
  cursor: pointer;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.model-card:hover .model-expand-btn { color: #94a3b8; }
.model-card.expanded .model-expand-btn { color: var(--model-color, #a78bfa); }

/* ---------- 认知偏误卡片（危险等级样式）---------- */
.bias-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.bias-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--bias-color, #ef4444);
  opacity: 0.5;
  border-radius: 14px 0 0 14px;
  transition: opacity 0.2s;
}
.bias-card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.bias-card:hover::before { opacity: 1; }
.bias-card.expanded { border-color: var(--bias-color, #ef4444); }

.bias-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.bias-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  flex: 1;
}
.bias-card-subtitle {
  font-size: 11px;
  color: #475569;
  font-style: italic;
  margin-bottom: 6px;
}

/* 危险等级 */
.bias-danger {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  flex-shrink: 0;
}
.bias-danger-dots {
  display: flex;
  gap: 3px;
}
.danger-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
}
.danger-dot.filled {
  background: var(--bias-color, #ef4444);
  border-color: transparent;
  box-shadow: 0 0 4px var(--bias-color, #ef4444);
}
.bias-danger-label {
  font-size: 9px;
  color: var(--bias-color, #ef4444);
  opacity: 0.7;
}

.bias-scenario-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  background: rgba(239,68,68,0.1);
  color: var(--bias-color, #ef4444);
  border: 1px solid rgba(239,68,68,0.2);
  margin-bottom: 8px;
  display: inline-block;
}

.bias-card-def {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 10px;
}

.bias-card-detail {
  display: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 10px;
  margin-top: 4px;
}
.bias-card.expanded .bias-card-detail { display: block; }

.bias-case-title {
  font-size: 11px;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 5px;
}
.bias-cases {
  list-style: none;
  margin: 0 0 10px; padding: 0;
}
.bias-cases li {
  font-size: 12px;
  color: #64748b;
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}
.bias-cases li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--bias-color, #ef4444);
}

.bias-counter-title {
  font-size: 11px;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 5px;
}
.bias-counter {
  font-size: 12px;
  color: #64748b;
  background: rgba(255,255,255,0.03);
  border-left: 2px solid var(--bias-color, #ef4444);
  padding: 6px 10px;
  border-radius: 0 8px 8px 0;
  line-height: 1.6;
}

.bias-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 8px;
}
.bias-expand-btn {
  font-size: 11px;
  color: #475569;
  cursor: pointer;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.bias-card:hover .bias-expand-btn { color: #94a3b8; }
.bias-card.expanded .bias-expand-btn { color: var(--bias-color, #ef4444); }

/* ---------- 偏误场景分组标题 ---------- */
.bias-group-header {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #475569;
  margin: 20px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 6px;
}
.bias-group-header .bias-group-count {
  font-size: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 1px 6px;
  border-radius: 8px;
  color: #64748b;
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
}

/* ---------- AI 能力地图卡片 ---------- */
.ai-scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.ai-scene-card {
  background: rgba(10, 10, 20, 0.8);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.ai-scene-card::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 60px; height: 60px;
  background: var(--scene-color, rgba(167,139,250,0.1));
  border-radius: 50%;
  filter: blur(20px);
  pointer-events: none;
}
.ai-scene-card:hover {
  border-color: var(--scene-color, rgba(167,139,250,0.4));
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.ai-scene-symbol {
  font-size: 28px;
  margin-bottom: 10px;
  line-height: 1;
}
.ai-scene-count {
  font-size: 11px;
  color: var(--scene-color, #a78bfa);
  font-family: 'Orbitron', monospace;
  margin-bottom: 4px;
}
.ai-scene-name {
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 6px;
}
.ai-scene-question {
  font-size: 12px;
  color: #64748b;
  line-height: 1.5;
}

/* ---------- 认知升级卡片（继承 model-card，额外加强） ---------- */
.upgrade-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.upgrade-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--uc-color, #22c55e);
  opacity: 0.6;
  border-radius: 14px 0 0 14px;
  transition: opacity 0.2s;
}
.upgrade-card:hover {
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.upgrade-card:hover::before { opacity: 1; }
.upgrade-card.expanded { border-color: var(--uc-color, #22c55e); }

.upgrade-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.upgrade-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #f1f5f9;
  flex: 1;
}
.upgrade-card-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  color: var(--uc-color, #22c55e);
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  white-space: nowrap;
}
.upgrade-card-summary {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 10px;
}
.upgrade-card-insight {
  font-size: 12px;
  color: #64748b;
  font-style: italic;
  background: rgba(255,255,255,0.03);
  border-left: 2px solid var(--uc-color, #22c55e);
  padding: 8px 12px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 10px;
  line-height: 1.6;
}
.upgrade-card-detail {
  display: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 10px;
  margin-top: 4px;
}
.upgrade-card.expanded .upgrade-card-detail { display: block; }
.upgrade-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}
.upgrade-source {
  font-size: 11px;
  color: #475569;
}
.upgrade-expand-btn {
  font-size: 11px;
  color: #475569;
  cursor: pointer;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.upgrade-card:hover .upgrade-expand-btn { color: #94a3b8; }
.upgrade-card.expanded .upgrade-expand-btn { color: var(--uc-color, #22c55e); }

/* ---------- AI 技能展示区 ---------- */
.ai-skills-showcase {
  margin-top: 20px;
}
.ai-skills-showcase-title {
  font-size: 12px;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-skills-showcase-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.06);
}

.ai-skill-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
  color: #94a3b8;
  margin: 0 6px 8px 0;
  transition: all 0.2s;
}
.ai-skill-pill:hover {
  border-color: rgba(167,139,250,0.3);
  color: #cbd5e1;
}
.ai-skill-pill .skill-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sp-color, #a78bfa);
}

/* ---------- 管理思维模块 ---------- */
.mgmt-model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.mgmt-model-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.mgmt-model-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--mc-color, #60a5fa);
  opacity: 0.5;
}
.mgmt-model-card:hover {
  border-color: var(--mc-color, rgba(96,165,250,0.3));
  transform: translateY(-1px);
}
.mgmt-model-card:hover::before { opacity: 1; }

.mgmt-model-title {
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.mgmt-model-en {
  font-size: 11px;
  color: #475569;
  margin-bottom: 8px;
}
.mgmt-model-summary {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 8px;
}
.mgmt-model-source {
  font-size: 10px;
  color: #475569;
}

/* ---------- 响应式适配 ---------- */
@media (max-width: 768px) {
  .knowledge-hero-stats {
    gap: 6px;
  }
  .hero-stat-value {
    font-size: 18px;
  }
  .recommend-card {
    width: calc(100% - 0px);
  }
  .ai-scene-grid {
    grid-template-columns: 1fr 1fr;
  }
}