/* =========================================
   全天候策略 v2.1 介绍网站样式
   深色金融专业风 - 深蓝/墨色 + 金色辅助
   ========================================= */

:root {
  /* 主色调 - 深蓝渐变 */
  --bg-deep: #0a1428;
  --bg-base: #0f1d36;
  --bg-card: #152844;
  --bg-card-hover: #1c3358;
  --border-subtle: rgba(184, 156, 88, 0.15);
  --border-emphasis: rgba(184, 156, 88, 0.4);

  /* 文字 */
  --text-primary: #e8eef7;
  --text-secondary: #a3b3cc;
  --text-muted: #6b7a96;

  /* 强调色 */
  --accent-gold: #d4af37;
  --accent-gold-bright: #f1c863;
  --accent-gold-dim: #8a7128;
  --accent-blue: #4a90e2;
  --accent-teal: #5fb3a1;

  /* 数据语义色 */
  --pos: #4ade80;
  --neg: #f87171;
  --warn: #fbbf24;

  /* 间距/字号 */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 32px rgba(212, 175, 55, 0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue",
               "Microsoft YaHei", "Source Han Sans CN", sans-serif;
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(74, 144, 226, 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(212, 175, 55, 0.05), transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ===== 顶部导航 ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-2) 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
}

.brand-mark {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: conic-gradient(from 180deg,
    var(--accent-gold) 0deg, var(--accent-blue) 120deg,
    var(--accent-teal) 240deg, var(--accent-gold) 360deg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--bg-deep);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.3);
}

.brand-text {
  display: flex; flex-direction: column;
  line-height: 1.2;
}

.brand-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 11px;
  color: var(--accent-gold);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: var(--space-3);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-links a:hover { color: var(--text-primary); background: var(--bg-card); }

.nav-links a.active {
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--border-emphasis);
}

/* ===== 通用布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-6) 0;
}

.section-head {
  text-align: center;
  margin-bottom: var(--space-5);
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--accent-gold);
  border: 1px solid var(--border-emphasis);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 700px;
  margin: 0 auto;
}

/* ===== Hero 首屏 ===== */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  text-align: center;
  position: relative;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, var(--bg-deep) 100%),
    radial-gradient(ellipse at center, rgba(74, 144, 226, 0.12), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--accent-gold);
  margin-bottom: var(--space-2);
  opacity: 0.85;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-3);
  background: linear-gradient(180deg, #ffffff 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-4);
}

.hero-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  margin: var(--space-3) auto;
}

/* ===== 核心指标卡片 (Hero 下方) ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

.kpi-card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-base));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.kpi-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-emphasis);
  box-shadow: var(--shadow-hover);
}

.kpi-card:hover::before { opacity: 1; }

.kpi-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  margin-bottom: var(--space-1);
  text-transform: uppercase;
}

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-gold-bright);
  font-feature-settings: "tnum";
  letter-spacing: 0.5px;
}

.kpi-value.pos { color: var(--pos); }
.kpi-value.neg { color: var(--neg); }

.kpi-suffix {
  font-size: 14px;
  color: var(--text-secondary);
  margin-left: 2px;
  font-weight: 400;
}

.kpi-note {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

/* ===== 内容卡片通用 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--border-emphasis);
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-emphasis);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 16px;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.card-desc strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== 三栏卡片网格 ===== */
.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .cols-3, .cols-2 { grid-template-columns: 1fr; }
  .hero-title { font-size: 36px; }
  .section-title { font-size: 26px; }
  .nav-links { gap: var(--space-1); }
  .nav-links a { padding: 6px 10px; font-size: 13px; }
}

/* ===== 资产类别网格 ===== */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .asset-grid { grid-template-columns: 1fr; }
}

.asset-card {
  background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-base) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.asset-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(212, 175, 55, 0.08), transparent 60%);
  pointer-events: none;
}

.asset-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-emphasis);
  box-shadow: var(--shadow-hover);
}

.asset-badge {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-2);
  font-weight: 600;
}

.asset-badge.stock { background: rgba(74, 144, 226, 0.15); color: #6fb1ff; border: 1px solid rgba(74, 144, 226, 0.3); }
.asset-badge.bond { background: rgba(95, 179, 161, 0.15); color: #6fcdb9; border: 1px solid rgba(95, 179, 161, 0.3); }
.asset-badge.commodity { background: rgba(212, 175, 55, 0.15); color: var(--accent-gold-bright); border: 1px solid var(--border-emphasis); }

.asset-name {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.asset-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.asset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-2);
}

.asset-tag {
  font-size: 11px;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* ===== 时间线/流程图 ===== */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  position: relative;
}

@media (max-width: 900px) {
  .flow { grid-template-columns: 1fr; }
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  position: relative;
}

.flow-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dim));
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-2);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.3);
}

.flow-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.flow-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 动态档位可视化 ===== */
.ladder {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: var(--space-3) 0;
}

.ladder-row {
  display: grid;
  grid-template-columns: 80px 1fr 80px;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.ladder-cap {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-gold-bright);
  text-align: right;
}

.ladder-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

.ladder-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-gold-dim), var(--accent-gold-bright));
  border-radius: 5px;
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
}

.ladder-trigger {
  font-size: 11px;
  color: var(--text-muted);
  text-align: left;
}

/* ===== 数据表格 ===== */
.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap thead {
  background: linear-gradient(180deg, var(--bg-card-hover), var(--bg-card));
}

.table-wrap th {
  padding: var(--space-2) var(--space-3);
  text-align: right;
  color: var(--accent-gold);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-emphasis);
}

.table-wrap th:first-child { text-align: left; }

.table-wrap td {
  padding: var(--space-2) var(--space-3);
  text-align: right;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  font-feature-settings: "tnum";
}

.table-wrap td:first-child {
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
}

.table-wrap tbody tr:hover { background: rgba(212, 175, 55, 0.04); }

.table-wrap tbody tr:last-child td { border-bottom: none; }

.cell-pos { color: var(--pos); }
.cell-neg { color: var(--neg); }
.cell-warn { color: var(--warn); }
.cell-muted { color: var(--text-muted); }

/* ===== 净值曲线 ===== */
.chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.chart-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.chart-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-meta {
  font-size: 12px;
  color: var(--text-muted);
}

#nav-chart {
  width: 100%;
  height: 480px;
}

#dd-chart {
  width: 100%;
  height: 240px;
}

/* ===== 提示信息块 ===== */
.note {
  background: rgba(74, 144, 226, 0.06);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  margin: var(--space-2) 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.note-warn {
  background: rgba(251, 191, 36, 0.06);
  border-left-color: var(--warn);
}

/* ===== 关键观察卡片 (回测页底部) ===== */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .insight-grid { grid-template-columns: 1fr; }
}

.insight {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  border-left: 3px solid var(--accent-gold);
}

.insight-label {
  font-size: 11px;
  color: var(--accent-gold);
  letter-spacing: 2px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.insight-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.insight-text strong { color: var(--text-primary); }

/* ===== 调仓统计小卡片 ===== */
.stat-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}

@media (max-width: 900px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

.stat-mini {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  text-align: center;
}

.stat-mini-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.stat-mini-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-gold-bright);
  font-feature-settings: "tnum";
}

/* ===== CTA 按钮 ===== */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dim));
  color: var(--bg-deep);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-md);
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.45);
}

.cta-secondary {
  background: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--border-emphasis);
  box-shadow: none;
}

.cta-secondary:hover {
  background: rgba(212, 175, 55, 0.08);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.2);
}

/* ===== 页面 footer ===== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4) 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: var(--space-6);
}

.footer-line {
  margin-top: var(--space-2);
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ===== 渐变背景装饰 ===== */
.decor-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* ===== 滚动动画 ===== */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-gold { color: var(--accent-gold); }
.text-muted { color: var(--text-muted); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }

/* ===== 风险贡献对比条（资金权重 vs 风险贡献） ===== */
.risk-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.risk-row {
  display: grid;
  grid-template-columns: 110px 1fr 80px;
  align-items: center;
  gap: var(--space-2);
}

.risk-label {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.risk-bar-track {
  height: 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  display: flex;
}

.risk-bar-track.even-split .risk-bar {
  width: 33.333% !important;
  color: var(--text-muted);
  opacity: 0.4;
}

.risk-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--bg-deep);
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: width 0.6s ease;
}

.risk-bar.stock { background: linear-gradient(90deg, #3a78c8, #6fb1ff); }
.risk-bar.bond { background: linear-gradient(90deg, #3a8a78, #6fcdb9); }
.risk-bar.commodity { background: linear-gradient(90deg, var(--accent-gold-dim), var(--accent-gold-bright)); }
.risk-bar.cash { background: linear-gradient(90deg, #4a5870, #6b7a96); }

.risk-value {
  font-size: 12px;
  text-align: right;
  color: var(--text-muted);
  font-feature-settings: "tnum";
}

.risk-value strong { color: var(--text-primary); }

/* ===== 归因表：股票/债券/商品/现金/成本 多列 ===== */
.contrib-table th.contrib-stock { color: #6fb1ff; }
.contrib-table th.contrib-bond { color: #6fcdb9; }
.contrib-table th.contrib-commodity { color: var(--accent-gold-bright); }
.contrib-table th.contrib-cash { color: var(--text-muted); }
.contrib-table th.contrib-cost { color: var(--warn); }

/* ===== 月度持仓热力图风格 ===== */
.heat-table th { font-size: 11px; }
.heat-table td {
  font-size: 13px;
  text-align: right;
  padding: 10px 14px;
  font-feature-settings: "tnum";
}
.heat-bar {
  display: inline-block;
  width: 38px;
  height: 6px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: middle;
  opacity: 0.85;
}
.heat-bar.stock { background: #6fb1ff; }
.heat-bar.bond { background: #6fcdb9; }
.heat-bar.commodity { background: var(--accent-gold-bright); }
.heat-bar.cash { background: #6b7a96; }

/* ===== 阶段时间线 ===== */
.phase-row {
  display: grid;
  grid-template-columns: 90px 90px 1fr 90px;
  align-items: center;
  gap: var(--space-2);
  padding: 12px var(--space-2);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.phase-row .phase-tag {
  font-size: 11px;
  color: var(--accent-gold);
  letter-spacing: 1px;
}
.phase-row .phase-window {
  font-size: 13px;
  color: var(--text-secondary);
  font-feature-settings: "tnum";
}
.phase-row .phase-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}
.phase-row .phase-stat {
  font-size: 13px;
  color: var(--text-muted);
  text-align: right;
  font-feature-settings: "tnum";
}

@media (max-width: 720px) {
  .phase-row { grid-template-columns: 1fr; gap: 4px; text-align: left; }
  .phase-row .phase-stat { text-align: left; }
}

/* ===== 来源引用块 ===== */
.source-note {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  background: rgba(212, 175, 55, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-3);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.7;
}
.source-note::before {
  content: '◇';
  color: var(--accent-gold);
  font-size: 14px;
  margin-top: 2px;
}
.source-note strong { color: var(--text-secondary); }

/* ===== 局限列表 ===== */
.limitation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}
@media (max-width: 900px) { .limitation-grid { grid-template-columns: 1fr; } }

.limitation {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
}
.limitation-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.limitation-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== 关键事实摘要条 ===== */
.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}
@media (max-width: 900px) { .fact-strip { grid-template-columns: repeat(2, 1fr); } }
.fact-strip-cell {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  text-align: center;
}
.fact-strip-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-gold-bright);
  font-feature-settings: "tnum";
  margin-bottom: 4px;
}
.fact-strip-num.pos { color: var(--pos); }
.fact-strip-num.neg { color: var(--neg); }
.fact-strip-num.warn { color: var(--warn); }
.fact-strip-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== 贡献柱状条（年度归因） ===== */
.contrib-row {
  display: grid;
  grid-template-columns: 70px 1fr 80px;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.contrib-row:last-child { border-bottom: none; }
.contrib-year {
  font-size: 13px;
  color: var(--text-secondary);
  font-feature-settings: "tnum";
}
.contrib-bar-wrap {
  display: flex;
  height: 18px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 3px;
  overflow: hidden;
}
.contrib-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--bg-deep);
  font-weight: 700;
  min-width: 4px;
  transition: width 0.4s;
}
.contrib-bar.pos { color: var(--text-primary); font-weight: 600; font-size: 9px; }
.contrib-bar.neg { color: #fff; font-weight: 600; font-size: 9px; }
.contrib-bar.cost { background: var(--warn) !important; color: var(--bg-deep); }
.contrib-bar.stock { background: #6fb1ff; }
.contrib-bar.bond { background: #6fcdb9; }
.contrib-bar.commodity { background: var(--accent-gold-bright); }
.contrib-bar.cash { background: #6b7a96; color: var(--bg-deep); }
.contrib-total {
  font-size: 13px;
  text-align: right;
  font-feature-settings: "tnum";
  color: var(--text-primary);
}