/* =========================================
   长护险政策数据平台 — 样式表
   版本：2.0（银发财经品牌融合版）
   品牌色：绿色系（银发财经）+ 蓝色 accent（长护险专业感）
   ========================================= */

/* ========== CSS 变量 ========== */
:root {
  /* 银发财经品牌色（绿色系） */
  --brand-primary: #059669;
  --brand-dark: #065f46;
  --brand-darker: #064e3b;
  --brand-light: #34d399;
  --brand-lighter: #6ee7b7;
  --brand-bg: #f0fdf4;
  --brand-border: #a7f3d0;
  --brand-border-strong: #6ee7b7;
  --gradient-header: linear-gradient(135deg, #064e3b, #065f46, #059669);
  --gradient-hero: linear-gradient(135deg, #065f46, #059669, #10b981);

  /* 长护险 accent 蓝（保留专业感） */
  --accent-blue: #1e40af;
  --accent-blue-light: #3b82f6;
  --accent-blue-bg: #eff6ff;

  /* 中性色 */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --bg-page: #f0f2f5;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --border-light: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 12px rgba(0,0,0,0.08);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* ========== 全局基础 ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

/* ========== 容器 ========== */
.ltc-container {
  max-width: 1400px;
  margin: 0 auto;
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== 页面标题区 ========== */
.ltc-hero {
  background: var(--gradient-hero);
  color: #fff;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.ltc-hero .ltc-ph-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.ltc-hero .ltc-ph-sub { opacity: 0.85; font-size: 13px; }
.ltc-hero .ltc-ph-stats { display: flex; gap: 28px; }
.ltc-hero .ltc-ph-stat { text-align: center; min-width: 80px; }
.ltc-hero .ltc-ph-stat .num { font-size: 1.4em; font-weight: 800; display: block; }
.ltc-hero .ltc-ph-stat .lbl { font-size: 0.72em; opacity: 0.8; }

/* ========== Tab 导航 ========== */
.ltc-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-light);
  padding: 0 28px;
  background: var(--bg-white);
  flex-shrink: 0;
}
.ltc-tab-btn {
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.ltc-tab-btn:hover { color: var(--brand-primary); background: var(--brand-bg); }
.ltc-tab-btn.active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); font-weight: 600; }

/* ========== 主体区域 ========== */
.ltc-main { flex: 1; padding: 24px 28px; }
.ltc-tab-pane { display: none; }
.ltc-tab-pane.active { display: block; }

/* ========== 通用组件 ========== */
.ltc-section-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}
.ltc-section-subtitle { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }

/* 搜索筛选栏 */
.ltc-filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  align-items: center;
}
.ltc-search-input {
  flex: 1;
  min-width: 240px;
  padding: 10px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.ltc-search-input:focus { border-color: var(--brand-primary); box-shadow: 0 0 0 3px var(--brand-bg); }
.ltc-filter-select {
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 13px;
  outline: none;
  background: var(--bg-white);
  cursor: pointer;
  min-width: 130px;
}
.ltc-filter-select:focus { border-color: var(--brand-primary); }
.ltc-result-count { font-size: 13px; color: var(--text-secondary); white-space: nowrap; padding: 8px 0; }
.ltc-result-count strong { color: var(--brand-primary); }

/* 省份标签栏 */
.ltc-province-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.ltc-province-tag {
  padding: 5px 16px;
  border-radius: 16px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.ltc-province-tag:hover { border-color: var(--brand-border); background: var(--brand-bg); }
.ltc-province-tag.active { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); font-weight: 500; }

/* 卡片网格 */
.ltc-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }
.ltc-policy-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  background: var(--bg-white);
  cursor: pointer;
  transition: all 0.2s;
}
.ltc-policy-card:hover {
  border-color: var(--brand-border);
  box-shadow: 0 2px 8px rgba(5,150,105,0.08);
  transform: translateY(-1px);
}
.ltc-policy-card .pc-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.ltc-policy-card .pc-city { font-size: 14px; font-weight: 600; color: var(--brand-dark); white-space: nowrap; }
.ltc-policy-card .pc-name { font-size: 15px; font-weight: 600; color: var(--text-primary); line-height: 1.4; flex: 1; }
.ltc-policy-card .pc-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-secondary); margin-bottom: 10px; flex-wrap: wrap; }
.ltc-policy-card .pc-meta span { display: flex; align-items: center; gap: 4px; }
.ltc-policy-card .pc-summary {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ltc-policy-card .pc-tags { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 11px; font-weight: 500; }
.tag-blue { background: var(--accent-blue-bg); color: var(--accent-blue); border: 1px solid #bfdbfe; }
.tag-gray { background: #f3f4f6; color: #6b7280; border: 1px solid #e5e7eb; }
.tag-green { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; }
.tag-orange { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.tag-purple { background: #faf5ff; color: #7c3aed; border: 1px solid #e9d5ff; }
.tag-gold { background: #fefce8; color: #a16207; border: 1px solid #fde047; }

/* 详情弹窗 */
.ltc-modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}
.ltc-modal-overlay.show { display: flex; }
.ltc-modal-content {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.ltc-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg-white);
  z-index: 10;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.ltc-modal-header h3 { font-size: 18px; color: var(--text-primary); }
.ltc-modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  cursor: pointer;
  font-size: 18px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.ltc-modal-close:hover { background: #f3f4f6; color: var(--text-primary); }
.ltc-modal-body { padding: 24px; }
.modal-city-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.modal-city-header .city-badge {
  background: var(--brand-primary);
  color: white;
  padding: 6px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
}
.modal-city-header .status-badge { padding: 4px 12px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 500; }
.status-active { background: #ecfdf5; color: #059669; }
.status-expanding { background: #fef3c7; color: #d97706; }

.dim-table { width: 100%; border-collapse: collapse; }
.dim-table th {
  text-align: left;
  width: 120px;
  padding: 12px 16px;
  background: var(--brand-bg);
  color: var(--brand-dark);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--brand-border);
  white-space: nowrap;
  vertical-align: top;
}
.dim-table td {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}
.dim-table td .dim-label { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.dim-table td .dim-value { color: var(--text-primary); }

/* ========== 城市对比Tab ========== */
.compare-selector { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }
.compare-cb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
  user-select: none;
}
.compare-cb:hover { border-color: var(--brand-border); }
.compare-cb.selected { background: var(--brand-bg); border-color: var(--brand-primary); color: var(--brand-primary); font-weight: 500; }

/* 维度标签 */
.ltc-dim-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.ltc-dim-chip {
  padding: 10px 22px;
  border-radius: 20px;
  border: 1.5px solid var(--brand-border);
  background: var(--bg-white);
  font-size: 14px;
  font-weight: 500;
  color: var(--brand-primary);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.ltc-dim-chip:hover { background: var(--brand-bg); border-color: var(--brand-primary); }
.ltc-dim-chip.active {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
  box-shadow: 0 2px 8px rgba(5,150,105,0.25);
}

/* 城市对比表 */
.compare-table-wrap { overflow-x: auto; margin-top: 8px; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 650px; font-size: 13px; }
.compare-table th {
  background: var(--brand-bg);
  color: var(--brand-dark);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--brand-border);
  white-space: nowrap;
}
.compare-table th:first-child { width: 80px; text-align: center; }
.compare-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-light); vertical-align: top; line-height: 1.6; }
.compare-table td:first-child { font-weight: 600; text-align: center; color: var(--brand-dark); white-space: nowrap; }
.compare-table .field-label { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
.compare-table .field-val { color: var(--text-primary); }
.compare-table tr:hover td { background: #fafbff; }

.compare-btn {
  padding: 10px 24px;
  background: var(--brand-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.compare-btn:hover { background: var(--brand-dark); }
.compare-btn:disabled { background: var(--text-muted); cursor: not-allowed; }
.ltc-compare-empty { text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 15px; }

/* 服务机构 */
.ltc-inst-table-wrap { overflow-x: auto; }
.inst-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.inst-table th {
  background: var(--brand-bg);
  color: var(--brand-dark);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--brand-border);
  white-space: nowrap;
}
.inst-table th:first-child { text-align: center; }
.inst-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-light); vertical-align: top; }
.inst-table td:first-child { text-align: center; font-weight: 600; color: var(--brand-dark); }
.inst-table tr:hover td { background: #fafbff; }
.inst-table .num { font-size: 18px; font-weight: 700; color: var(--brand-primary); }
.inst-table .note { font-size: 11px; color: var(--text-muted); }
.inst-table .src-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 11px;
  background: var(--brand-bg);
  color: var(--brand-primary);
  margin-left: 4px;
}
.inst-type-bar { display: flex; gap: 4px; margin: 4px 0; }
.inst-type-seg { height: 18px; border-radius: 3px; font-size: 0; min-width: 8px; }
.inst-type-row { display: flex; gap: 12px; align-items: center; font-size: 12px; color: var(--text-secondary); }
.inst-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.inst-card {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.inst-card:hover { border-color: var(--brand-border); box-shadow: 0 2px 8px rgba(5,150,105,0.06); }
.inst-card .ic-city { font-size: 14px; font-weight: 600; color: var(--brand-dark); }
.inst-card .ic-num { font-size: 22px; font-weight: 700; color: var(--brand-primary); margin: 8px 0 4px; }
.inst-card .ic-meta { font-size: 12px; color: var(--text-secondary); line-height: 1.7; }

/* ========== 市场机会Tab ========== */
.ltc-score-table-wrap { overflow-x: auto; }
.score-table { width: 100%; border-collapse: collapse; }
.score-table th {
  background: var(--brand-bg);
  color: var(--brand-dark);
  padding: 12px 14px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 2px solid var(--brand-border);
  white-space: nowrap;
}
.score-table th:first-child { text-align: left; }
.score-table th:last-child { text-align: left; }
.score-table td { padding: 10px 14px; font-size: 13px; border-bottom: 1px solid var(--border-light); text-align: center; }
.score-table td:first-child { text-align: left; font-weight: 600; }
.score-table td:last-child { text-align: left; }
.score-table tr:hover td { background: #fafbff; }
.score-bar { display: inline-block; height: 6px; border-radius: 3px; background: #e5e7eb; width: 80px; vertical-align: middle; margin: 0 8px; }
.score-bar-fill { height: 100%; border-radius: 3px; background: var(--brand-primary); transition: width 0.4s; }
.score-total { font-weight: 700; color: var(--brand-primary); font-size: 15px; }
.rank-badge {
  display: inline-block;
  width: 24px; height: 24px;
  border-radius: 50%;
  line-height: 24px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
}
.rank-1 { background: #f59e0b; }
.rank-2 { background: #94a3b8; }
.rank-3 { background: #d97706; }
.highlight-tag { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }

.ltc-chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.ltc-chart-box {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: var(--bg-white);
}
.ltc-chart-box h4 { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.ltc-chart-box canvas { max-height: 350px; }

/* ========== 政策监测Tab ========== */
.ltc-timeline { position: relative; padding-left: 32px; }
.ltc-timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: var(--brand-border);
}
.timeline-item { position: relative; margin-bottom: 24px; padding-left: 20px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 2px solid var(--brand-bg);
  box-shadow: 0 0 0 3px var(--brand-border);
}
.timeline-item .ti-date { font-size: 12px; color: var(--brand-primary); font-weight: 600; margin-bottom: 4px; }
.timeline-item .ti-city { font-size: 11px; color: var(--text-muted); background: #f3f4f6; padding: 2px 8px; border-radius: 10px; margin-left: 8px; }
.timeline-item .ti-title { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.timeline-item .ti-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* ========== 政策演进时间轴（弹窗内） ========== */
.policy-timeline {
  position: relative;
  padding-left: 28px;
  margin: 20px 0;
}
.policy-timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--brand-primary), var(--brand-border));
}
.pt-item {
  position: relative;
  margin-bottom: 20px;
  padding: 14px 16px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--brand-primary);
  transition: all 0.2s;
}
.pt-item:hover {
  background: var(--brand-bg);
  transform: translateX(4px);
}
.pt-item::before {
  content: '';
  position: absolute;
  left: -26px; top: 18px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 2px solid var(--bg-white);
  box-shadow: 0 0 0 2px var(--brand-border);
}
.pt-item.current::before {
  background: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-bg);
}
.pt-item.current {
  border-left-color: var(--accent-blue);
  background: var(--accent-blue-bg);
}
.pt-item.obsolete::before {
  background: var(--text-muted);
  box-shadow: 0 0 0 2px var(--border-light);
}
.pt-item.obsolete {
  border-left-color: var(--text-muted);
  opacity: 0.85;
}
.pt-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.pt-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.pt-date {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-white);
  padding: 2px 8px;
  border-radius: 10px;
}
.pt-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.pt-status.current {
  background: var(--brand-bg);
  color: var(--brand-primary);
}
.pt-status.revised {
  background: #fef3c7;
  color: #d97706;
}
.pt-status.obsolete {
  background: #f3f4f6;
  color: var(--text-muted);
}
.pt-changes {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}
.pt-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pt-hl-tag {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 10px;
  background: var(--bg-white);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}
.pt-hl-tag strong {
  color: var(--brand-dark);
  font-weight: 600;
}

/* ========== 首页政策演进概览卡片 ========== */
.ltc-evolution-section {
  margin: 24px 0;
}
.ltc-evolution-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.evo-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.evo-card:hover {
  border-color: var(--brand-border);
  box-shadow: 0 4px 16px rgba(5,150,105,0.08);
  transform: translateY(-2px);
}
.evo-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--brand-primary);
}
.evo-card.has-history::before {
  background: linear-gradient(to bottom, var(--brand-primary), var(--accent-blue));
}
.evo-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.evo-city {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.evo-count {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--brand-bg);
  color: var(--brand-primary);
  font-weight: 600;
}
.evo-timeline-mini {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 10px 0;
}
.evo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}
.evo-dot.current {
  background: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-bg);
}
.evo-dot.obsolete {
  background: var(--text-muted);
}
.evo-line {
  flex: 1;
  height: 2px;
  background: var(--border-light);
  min-width: 20px;
}
.evo-line.active {
  background: linear-gradient(to right, var(--brand-primary), var(--accent-blue));
}
.evo-years {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}
.evo-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 8px;
}
.evo-highlight {
  font-size: 12px;
  color: var(--brand-primary);
  margin-top: 6px;
  font-weight: 500;
}

/* ========== 版本对比按钮 ========== */
.compare-btn-sm {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--brand-primary);
  background: var(--brand-bg);
  border: 1px solid var(--brand-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}
.compare-btn-sm:hover {
  background: var(--brand-primary);
  color: white;
  border-color: var(--brand-primary);
}

/* ========== 政策演进Tab样式 ========== */
.evolution-timeline-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 8px;
}
.evolution-year-group {
  margin-bottom: 24px;
}
.evolution-year {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-dark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--brand-border);
}
.evolution-year-events {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.evolution-event {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border-left: 3px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}
.evolution-event:hover {
  box-shadow: var(--shadow-md);
}
.evolution-event.current {
  border-left-color: var(--brand-primary);
  background: var(--brand-bg);
}
.evolution-event.obsolete {
  border-left-color: var(--text-muted);
  background: #f8fafc;
}
.ev-event-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.ev-event-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.ev-event-dot.current { background: var(--brand-primary); }
.ev-event-dot.obsolete { background: var(--text-muted); }
.ev-event-dot.history { background: #f59e0b; }
.ev-event-city {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.ev-event-date {
  font-size: 12px;
  color: var(--text-secondary);
}
.ev-event-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.ev-event-status.current {
  background: var(--brand-bg);
  color: var(--brand-primary);
}
.ev-event-status.obsolete {
  background: #f3f4f6;
  color: var(--text-muted);
}
.ev-event-status.history {
  background: #fffbeb;
  color: #92400e;
}
.ev-event-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.ev-event-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== 底部 ========== */
.ltc-footer {
  background: #f8fafc;
  border-top: 1px solid var(--border-light);
  padding: 24px 28px;
  text-align: center;
  flex-shrink: 0;
}
.ltc-footer .footer-info { font-size: 13px; color: var(--text-secondary); }
.ltc-footer .footer-info strong { display: block; font-size: 14px; color: var(--text-primary); margin-bottom: 4px; }
.ltc-footer .footer-copy { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .ltc-hero { flex-direction: column; text-align: center; }
  .ltc-card-grid { grid-template-columns: 1fr; }
  .ltc-chart-row { grid-template-columns: 1fr; }
  .ltc-tabs { overflow-x: auto; }
  .ltc-filter-bar { flex-direction: column; }
}