:root {
  --primary: #1a2b4c;
  --primary-light: #2b4570;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --bg: #f0f4f8;
  --card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --p0: #ef4444;
  --p1: #f59e0b;
  --p2: #10b981;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.1);
  --radius: 10px;
  --sidebar-w: 230px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Microsoft YaHei','PingFang SC','Segoe UI',sans-serif; background: var(--bg); color: var(--text); }

/* Layout */
.app-layout { display: flex; min-height: 100vh; zoom: 0.94; } /* 整体缩放，适配浏览器100%下文字略大 */
.sidebar {
  width: var(--sidebar-w); background: var(--primary); color: #fff;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
  display: flex; flex-direction: column; transition: transform 0.3s;
}
.sidebar-header { padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-header .logo { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.sidebar-header .logo .logo-icon { font-size: 24px; }
.sidebar-header .logo-sub { font-size: 11px; opacity: 0.6; margin-top: 2px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }
.nav-group { margin-bottom: 8px; }
.nav-group-title { font-size: 16px; font-weight: 700; color: #fff; padding: 12px 20px; cursor: pointer; display: flex; align-items: center; gap: 6px; }
.nav-group-title:hover { background: rgba(255,255,255,0.06); }
.nav-toggle { font-size: 12px; width: 14px; display: inline-block; transition: transform 0.2s; }
.nav-children { overflow: hidden; }
.nav-subgroup { margin-bottom: 2px; }
.nav-subgroup-title { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.8); padding: 8px 20px 8px 28px; cursor: pointer; display: flex; align-items: center; gap: 6px; }
.nav-subgroup-title:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-sub-items { overflow: hidden; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 20px;
  color: rgba(255,255,255,0.65); cursor: pointer; font-size: 13px;
  transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); border-left: 3px solid transparent;
}
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: rgba(59,130,246,0.15); color: #fff; border-left-color: var(--accent); }
.nav-item .nav-icon { font-size: 16px; width: 24px; text-align: center; }
.nav-item .nav-badge { margin-left: auto; font-size: 10px; background: var(--danger); color: #fff; padding: 1px 6px; border-radius: 8px; }
.nav-item-l3 { padding-left: 48px; }

.main-area { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  height: 56px; background: var(--card); box-shadow: var(--shadow);
  display: flex; align-items: center; padding: 0 24px; position: sticky; top: 0; z-index: 50;
}
.topbar .page-title { font-size: 18px; font-weight: 700; color: var(--primary); }
.topbar .topbar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.topbar .search-box {
  display: flex; align-items: center; gap: 8px; background: var(--bg);
  border-radius: 20px; padding: 6px 16px; width: 280px;
}
.topbar .search-box input { border: none; background: none; outline: none; font-size: 13px; flex: 1; color: var(--text); }
.topbar .user-info { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.topbar .user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
.content-area { flex: 1; padding: 24px; }

/* 手机端汉堡菜单按钮 + 遮罩：桌面端隐藏，仅 ≤768px 显示（见底部媒体查询） */
.hamburger { display: none; align-items: center; justify-content: center; width: 40px; height: 40px; margin-right: 8px; border: none; background: transparent; font-size: 22px; line-height: 1; color: var(--primary); cursor: pointer; }
.hamburger:active { background: var(--bg); border-radius: 8px; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 90; }

/* Page transition */
.page { display: none; animation: fadeIn 0.3s ease; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* KPI Cards */
.kpi-grid { display: grid; gap: 16px; margin-bottom: 24px; }
.kpi-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.kpi-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.kpi-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.kpi-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.kpi-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 5px 8px; position: relative; overflow: hidden; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out);
}
.kpi-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.kpi-card .kpi-icon { display: none; }
.kpi-card .kpi-value { font-size: 24px; font-weight: 700; color: var(--primary); line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi-card .kpi-label { font-size: 12px; color: var(--text-light); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi-card .kpi-trend { font-size: 11px; margin-top: 3px; display: flex; align-items: center; gap: 4px; }
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }
.kpi-card .kpi-accent { position: absolute; top: 0; left: 0; width: 4px; height: 100%; }

/* Chart Card */
.chart-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.chart-card .chart-title { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.chart-card .chart-desc { font-size: 12px; color: var(--text-light); margin-bottom: 16px; }
.chart-container { width: 100%; }

/* Grid */
.row { display: grid; gap: 16px; margin-bottom: 16px; }
.row.cols-2 { grid-template-columns: 1fr 1fr; }
.row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead th { background: var(--primary); color: #fff; padding: 10px 12px; text-align: left; font-weight: 600; white-space: nowrap; }
.data-table thead th:first-child { border-radius: 6px 0 0 0; }
.data-table thead th:last-child { border-radius: 0 6px 0 0; }
.data-table tbody td { padding: 9px 12px; border-bottom: 1px solid var(--border); }
.data-table tbody tr:nth-child(even) { background: #f8fafc; }
.data-table tbody tr:hover { background: #eff6ff; }
/* 中心合并单元格（旧版rowspan方式，保留兼容） */
.data-table tbody td.center-cell { vertical-align: middle; background: #f0f4ff; font-weight: 600; text-align: center; min-width: 90px; }

/* 二线职能明细表 - 字段筛选 + 中心合并 */
.bo-detail-table { table-layout: auto; }
.bo-detail-table tbody td.bo-center-cell {
  vertical-align: middle;
  text-align: center;
  background: #f0f4ff;
  font-weight: 700;
  color: var(--primary, #2563eb);
  border-right: 2px solid #c7d2fe;
  min-width: 110px;
  white-space: nowrap;
  padding: 10px 12px;
}
.bo-detail-table thead tr.bo-filter-row th {
  background: #f8fafc;
  padding: 6px 8px;
  font-weight: normal;
  border-top: 1px solid #e2e8f0;
}
.bo-detail-table thead tr.bo-filter-row select {
  width: 100%;
  font-size: 12px;
  padding: 4px 6px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

/* Tags & Badges */
.tag { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 4px; color: #fff; white-space: nowrap; }
.tag-p0 { background: var(--p0); } .tag-p1 { background: var(--p1); } .tag-p2 { background: var(--p2); }
.tag-success { background: var(--success); } .tag-warning { background: var(--warning); } .tag-danger { background: var(--danger); }
.tag-info { background: var(--info); } .tag-gray { background: #94a3b8; }
.tag-outline { background: transparent; border: 1px solid var(--border); color: var(--text-light); }

/* Progress bar */
.progress { height: 8px; background: #e2e8f0; border-radius: 4px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 4px; transition: width 0.3s; }
.progress-bar.green { background: var(--success); }
.progress-bar.orange { background: var(--warning); }
.progress-bar.red { background: var(--danger); }
.progress-bar.blue { background: var(--info); }

/* Tabs */
.sub-tabs { display: flex; gap: 4px; margin-bottom: 16px; background: var(--card); padding: 4px; border-radius: 8px; box-shadow: var(--shadow); flex-wrap: wrap; }
.sub-tab { padding: 8px 16px; font-size: 13px; font-weight: 600; color: var(--text-light); border-radius: 6px; cursor: pointer; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); border: none; background: none; }
.sub-tab:hover { background: #f1f5f9; color: var(--primary); }
.sub-tab.active { background: var(--primary); color: #fff; }
.sub-content { display: none; }
.sub-content.active { display: block; }

/* Filter bar */
.filter-bar { display: flex; gap: 12px; margin-bottom: 16px; align-items: center; flex-wrap: wrap; }
.filter-bar select, .filter-bar input {
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; outline: none; background: var(--card);
}
.filter-bar select:focus, .filter-bar input:focus { border-color: var(--accent); }
.filter-bar .btn { padding: 6px 16px; border-radius: 6px; border: none; cursor: pointer; font-size: 13px; font-weight: 600; }
.filter-bar .btn-primary { background: var(--accent); color: #fff; }
.filter-bar .btn-outline { background: var(--card); border: 1px solid var(--border); color: var(--text); }

/* Funnel */
.funnel-container { display: flex; flex-direction: column; gap: 4px; }
.funnel-stage {
  display: flex; align-items: center; padding: 14px 20px; color: #fff; border-radius: 6px;
  font-size: 14px; font-weight: 600; position: relative;
}
.funnel-stage .stage-name { width: 100px; }
.funnel-stage .stage-count { font-size: 20px; font-weight: 700; margin-left: auto; }
.funnel-stage .stage-rate { font-size: 12px; opacity: 0.8; margin-left: 12px; }

/* Alert */
.alert-item {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 16px;
  border-radius: 8px; margin-bottom: 8px; font-size: 13px;
}
.alert-danger { background: #fef2f2; border: 1px solid #fecaca; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; }
.alert-info { background: #eff6ff; border: 1px solid #bfdbfe; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; }
.alert-item .alert-icon { font-size: 18px; flex-shrink: 0; }

/* AI Chat */
.chat-messages { max-height: 620px; overflow-y: auto; padding: 20px; flex: 1; }
.chat-msg { margin-bottom: 18px; display: flex; gap: 12px; }
.chat-msg.user { flex-direction: row-reverse; }
.chat-msg .chat-avatar { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.chat-msg.user .chat-avatar { background: var(--accent); color: #fff; }
.chat-msg.bot .chat-avatar { background: var(--accent); color: #fff; }
.chat-msg .chat-bubble { max-width: 75%; padding: 12px 16px; border-radius: 12px; font-size: 12px; line-height: 1.6; }
.chat-msg.user .chat-bubble { background: var(--accent); color: #fff; border-top-right-radius: 4px; }
.chat-msg.bot .chat-bubble { background: var(--card); color: var(--text); border: 1px solid var(--border); border-top-left-radius: 4px; box-shadow: var(--shadow); }
.chat-input-area { display: flex; gap: 10px; padding: 18px 20px; border-top: 1px solid var(--border); flex-shrink: 0; }
.chat-input-area input { flex: 1; padding: 10px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: 12px; outline: none; }
.chat-input-area input:focus { border-color: var(--accent); }
.chat-input-area button { padding: 10px 26px; background: var(--accent); color: #fff; border: none; border-radius: 8px; cursor: pointer; font-size: 12px; font-weight: 600; }
.chat-suggestions { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 20px 16px; }
.chat-suggestion { padding: 7px 14px; background: #f1f5f9; border: 1px solid var(--border); border-radius: 16px; font-size: 11px; cursor: pointer; color: var(--text-light); transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.chat-suggestion:hover { background: #fff7ed; border-color: var(--accent); color: var(--accent); }

/* Knowledge cards */
.knowledge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.knowledge-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; cursor: pointer; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.knowledge-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: var(--accent); }
.knowledge-card .k-type { font-size: 11px; color: var(--text-light); margin-bottom: 4px; }
.knowledge-card .k-title { font-size: 14px; font-weight: 600; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.knowledge-card .k-meta { font-size: 12px; color: var(--text-light); display: flex; gap: 12px; }

/* Stat inline */
.stat-inline { display: flex; gap: 24px; flex-wrap: wrap; }
.stat-inline .stat-item { text-align: center; }
.stat-inline .stat-item .val { font-size: 24px; font-weight: 700; color: var(--primary); }
.stat-inline .stat-item .lbl { font-size: 12px; color: var(--text-light); }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--text-light); font-size: 14px; }
.loading .spinner { display: inline-block; width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; margin-bottom: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Section title */
.section-title { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.section-title::before { content: ''; display: block; width: 4px; height: 18px; background: var(--accent); border-radius: 2px; }

/* Responsive */
@media (max-width: 1200px) {
  .kpi-grid.cols-5 { grid-template-columns: repeat(3, 1fr); }
  .kpi-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid.cols-6 { grid-template-columns: repeat(3, 1fr); }
  .row.cols-3 { grid-template-columns: 1fr; }
  .knowledge-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  /* 核心修复：.main-area 作为 flex item 默认 min-width:auto 会被内容撑宽导致水平溢出，
     强制 min-width:0 才能贴合手机视口；content-area 内部超宽内容(表格等)走横向滚动而非撑破整页 */
  .main-area { margin-left: 0; min-width: 0; }
  .content-area { min-width: 0; overflow-x: auto; padding: 14px; }
  .kpi-grid.cols-5, .kpi-grid.cols-4, .kpi-grid.cols-3, .kpi-grid.cols-6 { grid-template-columns: 1fr; }
  .row.cols-2, .row.cols-3 { grid-template-columns: 1fr; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .topbar .search-box { display: none; }
  /* 汉堡菜单：仅手机端显示，点击展开侧边栏并出现遮罩 */
  .hamburger { display: flex; }
  .sidebar.open + .sidebar-overlay { display: block; }
  .sidebar { width: 230px; max-width: 80vw; height: 100%; }
}

/* ===== 知识库专用样式 ===== */

/* 课程目录 - 左侧分类树 */
.kb-sidebar { width: 220px; flex-shrink: 0; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px; max-height: calc(100vh - 200px); overflow-y: auto; }
.kb-sidebar::-webkit-scrollbar { width: 4px; }
.kb-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.kb-sidebar-title { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.kb-cat-item { padding: 8px 12px; font-size: 13px; cursor: pointer; border-radius: 6px; color: var(--text); transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); margin-bottom: 2px; }
.kb-cat-item:hover { background: #f1f5f9; }
.kb-cat-item.active { background: var(--accent); color: #fff; font-weight: 600; }
.kb-cat-group { margin-bottom: 4px; }
.kb-cat-sub { padding: 6px 12px 6px 32px; font-size: 12px; cursor: pointer; border-radius: 6px; color: var(--text-light); transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); margin-bottom: 2px; }
.kb-cat-sub:hover { background: #f1f5f9; color: var(--text); }
.kb-cat-sub.active { background: var(--accent); color: #fff; font-weight: 600; }

/* 课程卡片网格 */
.kb-course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 1400px) { .kb-course-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .kb-course-grid { grid-template-columns: 1fr; } }
.kb-course-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; cursor: pointer; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); border: 1px solid transparent; }
.kb-course-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--accent); }
.kb-card-top { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; }
.kb-card-fmt { font-size: 12px; font-weight: 600; color: var(--primary); }
.kb-card-body { padding: 12px 16px; }
.kb-card-title { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kb-card-desc { font-size: 12px; color: var(--text-light); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kb-card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.kb-tag { font-size: 11px; padding: 2px 8px; border-radius: 4px; background: #eff6ff; color: var(--accent); border: 1px solid #bfdbfe; }
.kb-card-meta { display: flex; gap: 12px; font-size: 11px; color: var(--text-light); margin-bottom: 8px; }
.kb-card-progress { display: flex; align-items: center; margin-bottom: 8px; }
.kb-card-footer { display: flex; justify-content: space-between; padding-top: 8px; border-top: 1px solid var(--border); }

/* 空状态 */
.kb-empty { text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 14px; }

/* 学习路径卡片 */
.kb-paths-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 900px) { .kb-paths-grid { grid-template-columns: 1fr; } }
.kb-path-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.kb-path-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.kb-path-header { padding: 16px 20px; color: #fff; }
.kb-path-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.kb-path-target { font-size: 12px; opacity: 0.9; margin-bottom: 8px; }
.kb-path-meta { display: flex; gap: 16px; font-size: 12px; opacity: 0.9; }
.kb-path-body { padding: 16px 20px; }
.kb-path-desc { font-size: 13px; color: var(--text-light); line-height: 1.5; margin-bottom: 12px; }
.kb-path-steps { margin-bottom: 16px; }
.kb-path-step { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.kb-path-step:last-child { border-bottom: none; }
.kb-step-num { width: 24px; height: 24px; border-radius: 50%; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.kb-step-title { font-size: 13px; font-weight: 600; color: var(--text); }
.kb-step-meta { font-size: 11px; color: var(--text-light); margin-top: 2px; }
.kb-path-progress-wrap { margin-bottom: 12px; }
.kb-path-btn { width: 100%; padding: 10px; font-size: 14px; }

/* 知识标签云 */
.kb-tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; padding: 20px; align-items: center; justify-content: center; }
.kb-tag-cloud-item { display: inline-block; padding: 6px 14px; border-radius: 20px; cursor: pointer; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); font-weight: 600; border: 1px solid; }
.kb-tag-cloud-item:hover { transform: scale(1.1); box-shadow: var(--shadow); }
.kb-tag-list { display: flex; flex-direction: column; gap: 8px; }
.kb-tag-row { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 8px; background: var(--bg); }
.kb-tag-label { font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 6px; }

/* 最近更新时间线 */
.kb-recent-timeline { padding: 8px 0; }
.kb-recent-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.kb-recent-item:last-child { border-bottom: none; }
.kb-recent-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 4px; flex-shrink: 0; }
.kb-recent-content { flex: 1; cursor: pointer; }
.kb-recent-content:hover .kb-recent-title { color: var(--accent); }
.kb-recent-title { font-size: 14px; font-weight: 600; color: var(--primary); margin-bottom: 4px; transition: color 0.2s; }
.kb-recent-meta { font-size: 12px; color: var(--text-light); }

/* 课程详情模态框 */
.kb-modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.kb-modal { background: var(--card); border-radius: 12px; width: 90%; max-width: 720px; max-height: 85vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.kb-modal::-webkit-scrollbar { width: 6px; }
.kb-modal::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.kb-modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--card); z-index: 10; border-radius: 12px 12px 0 0; }
.kb-modal-title { font-size: 18px; font-weight: 700; color: var(--primary); flex: 1; padding-right: 20px; }
.kb-modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-light); padding: 4px 8px; border-radius: 6px; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.kb-modal-close:hover { background: var(--bg); color: var(--danger); }
.kb-modal-body { padding: 24px; }
.kb-detail-section { margin-bottom: 24px; }
.kb-detail-desc { font-size: 14px; color: var(--text); line-height: 1.6; margin-bottom: 12px; }
.kb-detail-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.kb-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
.kb-detail-item { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--bg); border-radius: 8px; }
.kb-detail-label { font-size: 12px; color: var(--text-light); flex-shrink: 0; }
.kb-detail-val { font-size: 13px; font-weight: 600; color: var(--text); }
.kb-detail-subtitle { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.kb-chapter-list { display: flex; flex-direction: column; gap: 8px; }
.kb-chapter-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--bg); border-radius: 8px; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.kb-chapter-item:hover { background: #eff6ff; }
.kb-chapter-num { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.kb-chapter-name { flex: 1; font-size: 13px; font-weight: 600; color: var(--text); }
.kb-chapter-status { font-size: 11px; color: var(--success); }
.kb-detail-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.kb-stat-box { text-align: center; padding: 16px; background: var(--bg); border-radius: 8px; }
.kb-stat-val { font-size: 22px; font-weight: 700; color: var(--primary); }
.kb-stat-lbl { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.kb-detail-actions { display: flex; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border); }
.kb-detail-actions .btn { padding: 10px 20px; font-size: 14px; }

/* ========== 登录弹窗（保留原有登录界面） ========== */
.login-overlay { position: fixed; inset: 0; background: linear-gradient(135deg, #0a1838 0%, #1a2b4c 50%, #2b4570 100%); z-index: 9999; display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; border-radius: 12px; padding: 40px 36px; width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.login-logo { font-size: 22px; font-weight: 700; color: #1a2b4c; text-align: center; margin-bottom: 8px; }
.login-subtitle { font-size: 13px; color: #888; text-align: center; margin-bottom: 24px; }
.login-row { margin-bottom: 16px; }
.login-row label { display: block; font-size: 13px; color: #555; margin-bottom: 6px; }
.login-row input { width: 100%; box-sizing: border-box; padding: 10px 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; outline: none; }
.login-row input:focus { border-color: #3b82f6; }
.login-err { color: #d33; font-size: 13px; margin-bottom: 12px; padding: 8px 10px; background: #fee; border-radius: 4px; }
.login-btn { width: 100%; padding: 11px; background: linear-gradient(135deg, #1a2b4c 0%, #2b4570 100%); color: #fff; border: none; border-radius: 6px; font-size: 15px; font-weight: 600; cursor: pointer; margin-top: 8px; }
.login-btn:hover { opacity: 0.9; }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.login-tip { font-size: 12px; color: #aaa; text-align: center; margin-top: 14px; }

/* 退出按钮 */
.logout-btn { margin-left: 10px; padding: 4px 12px; background: #fff; color: #1a2b4c; border: 1px solid #1a2b4c; border-radius: 4px; font-size: 12px; cursor: pointer; }
.logout-btn:hover { background: #1a2b4c; color: #fff; }

/* 通用按钮（顶层定义） */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 16px; border-radius: 6px; border: 1px solid transparent; cursor: pointer; font-size: 13px; font-weight: 600; font-family: inherit; transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-light); }
.btn-outline { background: var(--card); border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--primary); }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 6px; }

/* 表格内操作按钮（详情/编辑/领用等）——紧凑高度，匹配行高 */
/* 选择器需 >= d-theme.css 的 .data-table tbody td:last-child .btn-outline 特异性 */
.data-table tbody td:last-child .btn-outline,
.data-table tbody td:last-child .btn,
.data-table tbody td .btn-outline,
.data-table tbody td .btn {
  padding: 1px 8px !important;
  font-size: 12px !important;
  line-height: 1.5 !important;
  min-height: 22px !important;
  border-radius: 4px !important;
}

/* 页面工具栏：数据日期选择器 + 导入/导出 */
.page-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 56px; z-index: 40; }
.tb-left { display: flex; align-items: center; gap: 10px; }
.tb-right { display: flex; align-items: center; gap: 10px; }
.tb-label { font-size: 13px; color: var(--text-light); font-weight: 600; }
.tb-select { padding: 7px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; outline: none; background: var(--card); color: var(--text); min-width: 140px; }
.tb-select:focus { border-color: var(--accent); }

/* 预警中心 */
.alert-center { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.alert-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; border-left: 4px solid var(--border); transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); }
.alert-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.alert-high { border-left-color: var(--danger); }
.alert-mid { border-left-color: var(--warning); }
.alert-low { border-left-color: var(--info); }
.alert-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.alert-badge { font-size: 11px; font-weight: 700; color: #fff; padding: 2px 8px; border-radius: 4px; background: var(--primary); }
.alert-level { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.alert-high .alert-level { background: #fef2f2; color: var(--danger); }
.alert-mid .alert-level { background: #fffbeb; color: var(--warning); }
.alert-low .alert-level { background: #eff6ff; color: var(--info); }
.alert-title { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 6px; line-height: 1.4; }
.alert-desc { font-size: 13px; color: var(--text-light); line-height: 1.5; margin-bottom: 12px; }
.alert-foot { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-light); border-top: 1px solid var(--border); padding-top: 10px; }

/* 待办列表 */
.todo-list { display: flex; flex-direction: column; gap: 0; }
.todo-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; color: var(--text); }
.todo-item:last-child { border-bottom: none; }
.todo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* Scope Badge */
.scope-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 3px 10px; border-radius: 12px; background: #eff6ff; color: var(--accent); font-weight: 600; }

@media (max-width: 1200px) { .alert-center { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .alert-center { grid-template-columns: 1fr; } .page-toolbar { flex-direction: column; gap: 10px; align-items: stretch; } }

/* ========== 通用详情弹窗（Detail Modal） ========== */
.detail-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: dmFadeIn 0.2s var(--zg-ease-out);
}
@keyframes dmFadeIn { from{opacity:0} to{opacity:1} }
.detail-modal {
  background: var(--card); border-radius: 14px;
  width: 90%; max-width: 680px; max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 70px rgba(0,0,0,0.35);
  animation: dmSlideUp 0.26s var(--zg-ease-out);
}
@keyframes dmSlideUp { from{transform:translateY(14px) scale(0.97);opacity:0} to{transform:translateY(0) scale(1);opacity:1} }
.detail-modal::-webkit-scrollbar { width: 6px; }
.detail-modal::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.detail-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--card); z-index: 10;
  border-radius: 14px 14px 0 0;
}
.detail-title { font-size: 18px; font-weight: 700; color: var(--primary); }
.detail-close {
  background: none; border: none; font-size: 20px; cursor: pointer;
  color: var(--text-light); padding: 4px 8px; border-radius: 6px;
  transition: background-color 0.2s var(--zg-ease-out), color 0.2s var(--zg-ease-out), border-color 0.2s var(--zg-ease-out), box-shadow 0.2s var(--zg-ease-out), transform 0.2s var(--zg-ease-out), opacity 0.2s var(--zg-ease-out); line-height: 1;
}
.detail-close:hover { background: var(--bg); color: var(--danger); }
.detail-body { padding: 24px; }
.detail-section { margin-bottom: 20px; }
.detail-section:last-child { margin-bottom: 0; }
.detail-section-title {
  font-size: 14px; font-weight: 700; color: var(--text);
  margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 6px;
}
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.detail-field {
  display: flex; flex-direction: column; gap: 4px;
  padding: 10px 14px; background: var(--bg); border-radius: 8px;
}
.detail-label { font-size: 12px; color: var(--text-light); font-weight: 600; }
.detail-value { font-size: 15px; color: var(--text); font-weight: 600; }
.detail-full { grid-column: 1 / -1; }
.detail-actions {
  display: flex; gap: 10px; padding-top: 16px;
  border-top: 1px solid var(--border); margin-top: 8px;
}
.detail-tag { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.detail-tag-blue { background: #eff6ff; color: var(--accent); }
.detail-tag-green { background: #ecfdf5; color: #059669; }
.detail-tag-orange { background: #fffbeb; color: #d97706; }
.detail-tag-red { background: #fef2f2; color: #dc2626; }
.detail-timeline { position: relative; padding-left: 24px; }
.detail-timeline::before { content:''; position:absolute; left:8px; top:4px; bottom:4px; width:2px; background:var(--border); }
.timeline-item { position:relative; margin-bottom:16px; }
.timeline-item::before { content:''; position:absolute; left:-18px; top:6px; width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid #fff; }
.timeline-time { font-size:11px;color:var(--text-light);margin-bottom:2px; }
.timeline-text { font-size:13px;color:var(--text);line-height:1.5; }
@media(max-width:560px){ .detail-grid{grid-template-columns:1fr;} .detail-modal{width:95%;max-height:90vh;} }