/* ============================================================
   Watchpilot · nav-mega.css
   顶部下拉 Mega Menu
   (原 main.css 行 2516-3510)
   ============================================================ */

  /* ═══ 顶部下拉 Mega Menu(横版) ═══ */
  /* 定位:从 Tab 容器(.tabs)左对齐,向右伸展到主区域右边缘
     不再居中(避免左侧溢出 + 右侧空白) */
  .tabs {
    position: relative;
  }
  .data-mega-menu {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    transform: translateY(-8px);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-top: none;
    box-shadow: 0 12px 32px rgba(28,25,23,0.10);
    padding: 20px 28px 22px 28px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 200;
    cursor: default;
  }
  /* hover 「数据」Tab 或 mega menu 本身时显示 */
  .tabs .tab.has-mega:hover ~ .data-mega-menu,
  .data-mega-menu:hover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }
  
  /* 最近访问(顶部一行) */
  .mega-recent {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 12px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
  }
  .mega-recent-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-3);
    letter-spacing: 1.4px;
    text-transform: uppercase;
    margin-right: 4px;
  }
  .mega-recent-item {
    font-size: 13px;
    color: var(--text-2);
    cursor: pointer;
    text-decoration: none;
    padding: 3px 10px;
    border-radius: 3px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-subtle);
    transition: all 0.12s;
    font-weight: 500;
    line-height: 1.4;
  }
  .mega-recent-item:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
  }
  
  /* 7 列大类网格 */
  .mega-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 24px;
  }
  
  .mega-col-label {
    font-size: 11px;
    font-weight: 700;
    color: #57534E;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    background: #ECE9E2;
    padding: 3px 8px;
    border-radius: 3px;
    margin-bottom: 10px;
    display: inline-block;
  }
  
  .mega-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-1);
    padding: 5px 8px 5px 0;
    cursor: pointer;
    text-decoration: none;
    border-radius: 3px;
    transition: all 0.12s;
    font-weight: 500;
    line-height: 1.5;
    margin: 0 -8px;
    padding-left: 8px;
    padding-right: 8px;
    position: relative;
  }
  .mega-link:hover {
    background: rgba(28,25,23,0.04);
    color: var(--text-1);
  }
  .mega-link.active {
    background: var(--accent);
    color: white;
  }
  .mega-link.active .caret { color: rgba(255,255,255,0.5); }
  .mega-link .caret {
    font-size: 10px;
    color: var(--text-3);
  }
  
  /* 三级子菜单(行业资金 hover 右侧浮出 32 行业)*/
  .mega-sub {
    display: none;
    position: absolute;
    left: calc(100% + 6px);
    top: -8px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(28,25,23,0.08);
    padding: 14px 16px;
    width: 480px;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    z-index: 210;
  }
  .mega-link.mega-has-sub:hover .mega-sub {
    display: grid;
  }
  .mega-sub-letter {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-3);
    letter-spacing: 1px;
    margin-bottom: 5px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 4px;
  }
  .mega-sub-col a {
    display: block;
    font-size: 12px;
    color: var(--text-2);
    padding: 3px 0;
    text-decoration: none;
    cursor: pointer;
    transition: color 0.1s;
    line-height: 1.45;
    font-weight: 400;
  }
  .mega-sub-col a:hover {
    color: var(--text-1);
    font-weight: 500;
  }
  
  /* 数据 Tab 上的小箭头指示 mega menu 可展开(可选,克制) */
  .tab.has-mega::after {
    content: '';
    /* 不加箭头,保持简约。hover 时自然弹出即可 */
  }
  
  /* ═══ 主区域内容(沿用 v2) ═══ */
  
  /* 顶部摘要条 */
  .data-summary-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    margin-bottom: 16px;
  }
  .summary-cell {
    padding: 14px 18px;
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .summary-cell:last-child { border-right: none; }
  .summary-label {
    font-size: 11px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
  }
  .summary-value {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.5px;
    line-height: 1.1;
    color: var(--text-1);
  }
  .summary-meta {
    font-size: 11px;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
  }
  
  /* 指数迷你图条 */
  .data-indices-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
  }
  .idx-mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color 0.12s;
  }
  .idx-mini-card:hover { border-color: var(--border-strong); }
  .idx-mini-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
  }
  .idx-mini-name {
    font-size: 13px;
    color: var(--text-1);
    font-weight: 600;
  }
  .idx-mini-pct {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
  }
  .idx-mini-value {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.4px;
    margin-bottom: 4px;
  }
  .idx-mini-spark {
    width: 100%;
    height: 26px;
    display: block;
  }
  
  /* 面包屑 */
  .page-breadcrumb {
    display: flex;
    align-items: baseline;
    margin-bottom: 12px;
    gap: 8px;
  }
  .bc-section {
    color: var(--text-3);
    font-size: 12px;
    font-weight: 500;
  }
  .bc-divider {
    color: var(--text-4);
    font-size: 12px;
  }
  .bc-current {
    color: var(--text-1);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.2px;
  }
  
  /* 视图控件(时间筛选 + 密度切换) */
  .data-view-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    gap: 16px;
    flex-wrap: wrap;
  }
  .data-time-filter {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .data-time-filter .label {
    font-size: 12px;
    color: var(--text-3);
    margin-right: 4px;
  }
  .data-time-chip {
    font-size: 13px;
    height: 24px;
    padding: 0 11px;
    color: var(--text-2);
    cursor: pointer;
    border-radius: 4px;
    background: transparent;
    border: none;
    font-family: var(--font-sans);
    transition: all 0.12s;
    user-select: none;
    display: inline-flex;
    align-items: center;
  }
  .data-time-chip:hover { background: var(--bg-hover); color: var(--text-1); }
  .data-time-chip.active {
    background: var(--accent);
    color: white;
  }
  .density-switcher {
    display: inline-flex;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: var(--bg-card);
  }
  .density-btn {
    width: 28px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-3);
    border-right: 1px solid var(--border-subtle);
    font-size: 12px;
    user-select: none;
    transition: all 0.12s;
  }
  .density-btn:last-child { border-right: none; }
  .density-btn:hover { color: var(--text-1); }
  .density-btn.active {
    background: var(--accent);
    color: white;
  }
  
  /* 视图切换 */
  .data-view { display: none; }
  .data-view.active { display: block; }
  
  /* 70/30 主表 + 概念柱图 */
  .data-view-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
    align-items: start;
    margin-bottom: 20px;
  }
  @media (max-width: 1200px) {
    .data-view-body { grid-template-columns: 1fr; }
    .concept-flow-aside { grid-row: 1; }
  }
  
  /* 个股资金流主表 */
  .flow-table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
  }
  .flow-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    table-layout: fixed;
  }
  .flow-table thead th {
    text-align: left;
    padding: 11px 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
    letter-spacing: 0.04em;
    border-bottom: 1.5px solid var(--border-strong);
    background: var(--bg-card);
    user-select: none;
    cursor: pointer;
    white-space: nowrap;
  }
  .flow-table thead th:hover { color: var(--text-1); }
  .flow-table thead th.num { text-align: right; }
  .flow-table tbody tr {
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background 0.08s;
  }
  .flow-table tbody tr:hover { background: var(--bg-hover); }
  .flow-table tbody td {
    padding: 10px 8px;
    color: var(--text-1);
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .flow-table tbody td.num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    text-align: right;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.2px;
  }
  .flow-table .ft-stock-name { font-weight: 600; font-size: 13px; }
  .flow-table .ft-code {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-3);
    margin-top: 1px;
  }
  .flow-table.density-compact tbody td { padding: 7px 8px; }
  .flow-table.density-comfortable tbody td { padding: 14px 8px; }
  
  .ft-trend {
    display: inline-block;
    width: 50px;
    height: 16px;
    vertical-align: middle;
  }
  .ft-net-bar {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
  }
  .ft-net-fill {
    height: 4px;
    background: var(--up);
    max-width: 56px;
    flex-shrink: 0;
  }
  .ft-net-fill.down { background: var(--down); }
  
  /* 概念资金双向柱图 */
  .concept-flow-aside {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 14px 16px;
    align-self: start;
  }
  .concept-flow-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .concept-flow-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
  }
  .concept-flow-sub {
    font-size: 11px;
    color: var(--text-3);
    font-family: var(--font-mono);
  }
  .concept-bidir-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .concept-bidir-row {
    display: grid;
    grid-template-columns: 1fr 50% 1fr;
    align-items: center;
    height: 24px;
    font-size: 12px;
    cursor: pointer;
    transition: opacity 0.1s;
  }
  .concept-bidir-row:hover { opacity: 0.85; }
  .concept-bidir-name {
    color: var(--text-1);
    font-weight: 500;
    letter-spacing: -0.1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .concept-bidir-bar-left {
    display: flex;
    justify-content: flex-end;
    padding-right: 4px;
  }
  .concept-bidir-bar-right {
    display: flex;
    justify-content: flex-start;
    padding-left: 4px;
  }
  .concept-bidir-fill {
    height: 12px;
    background: var(--up);
    transition: all 0.15s;
  }
  .concept-bidir-fill.down { background: var(--down); }
  .concept-bidir-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 11px;
    font-weight: 600;
    text-align: left;
    padding-left: 6px;
  }
  .concept-bidir-value.up { color: var(--up); }
  .concept-bidir-value.down { color: var(--down); }
  
  /* 折叠区 */
  .data-collapse {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    margin-bottom: 16px;
  }
  .data-collapse > summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
  }
  .data-collapse > summary::-webkit-details-marker { display: none; }
  .data-collapse > summary::after {
    content: '▾';
    color: var(--text-3);
    font-size: 11px;
    transition: transform 0.15s;
  }
  .data-collapse[open] > summary::after { transform: rotate(180deg); }
  .data-collapse > summary:hover { background: var(--bg-hover); }
  .data-collapse-body {
    padding: 14px 18px 18px 18px;
    border-top: 1px solid var(--border-subtle);
  }
  
  /* 分页 */
  .data-pagination {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 11px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 24px;
  }
  
  /* 空状态 */
  .data-empty {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 80px 24px;
    text-align: center;
    color: var(--text-3);
  }
  .data-empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    border: 1px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--text-4);
  }
  .data-empty-title {
    font-size: 14px;
    color: var(--text-2);
    margin-bottom: 4px;
    font-weight: 500;
  }
  .data-empty-meta {
    font-size: 12px;
    color: var(--text-3);
  }
  
  /* ═════════════════════════════════════════════════════════════════
     数据 · 概览(一览仪表盘)
     ═════════════════════════════════════════════════════════════════ */
  
  /* AI 一句话摘要 */
  .data-overview-recap {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent);
    padding: 14px 18px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }
  .recap-tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-3);
    letter-spacing: 1.4px;
    text-transform: uppercase;
    background: var(--bg-subtle);
    padding: 3px 8px;
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 2px;
  }
  .recap-text {
    font-size: 13px;
    color: var(--text-1);
    line-height: 1.6;
    flex: 1;
    letter-spacing: -0.1px;
  }
  .recap-text strong {
    font-weight: 600;
  }
  .recap-text .hl {
    color: var(--up);
    font-weight: 600;
  }
  .recap-text .hl-down {
    color: var(--down);
    font-weight: 600;
  }
  
  /* 三栏布局:强势主线 / 资金流向 / 题材聚焦 */
  .overview-three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 16px;
  }
  @media (max-width: 1100px) {
    .overview-three-col { grid-template-columns: 1fr; }
  }
  
  .ov-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
  }
  .ov-card-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 14px 18px 10px 18px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .ov-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
    letter-spacing: -0.1px;
  }
  .ov-card-sub {
    font-size: 11px;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
  }
  .ov-card-body {
    flex: 1;
    padding: 8px 0;
  }
  .ov-card-foot {
    border-top: 1px solid var(--border-subtle);
    padding: 10px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-3);
  }
  .ov-link {
    color: var(--accent);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.12s;
  }
  .ov-link:hover { opacity: 0.7; }
  
  /* 卡片内列表(通用) */
  .ov-list-row {
    display: grid;
    grid-template-columns: 24px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px 18px;
    cursor: pointer;
    transition: background 0.1s;
  }
  .ov-list-row:hover { background: var(--bg-hover); }
  .ov-rank {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-3);
    font-variant-numeric: tabular-nums;
    text-align: right;
    font-weight: 600;
  }
  .ov-stock-name {
    font-size: 13px;
    color: var(--text-1);
    font-weight: 600;
    letter-spacing: -0.1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .ov-stock-meta {
    font-size: 11px;
    color: var(--text-3);
    font-family: var(--font-mono);
    margin-top: 1px;
    font-variant-numeric: tabular-nums;
  }
  .ov-stock-info {
    min-width: 0;
  }
  .ov-stock-val {
    font-family: var(--font-mono);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    text-align: right;
    letter-spacing: -0.2px;
  }
  
  /* 龙头徽章 */
  .ov-badge-dragon {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    color: white;
    background: var(--up);
    padding: 1px 5px;
    border-radius: 3px;
    margin-left: 4px;
    vertical-align: middle;
    letter-spacing: 0.3px;
  }
  
  /* 涨停 KPI 数字带 */
  .ov-kpi-band {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 10px 18px;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
  }
  .ov-kpi-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
  }
  .ov-kpi-val {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.5px;
  }
  .ov-kpi-label {
    font-size: 10px;
    color: var(--text-3);
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.05em;
  }
  
  /* 概念资金 inline 双向条形 */
  .ov-concept-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 7px 18px;
    cursor: pointer;
    transition: background 0.1s;
  }
  .ov-concept-row:hover { background: var(--bg-hover); }
  .ov-concept-name {
    font-size: 13px;
    color: var(--text-1);
    font-weight: 500;
    letter-spacing: -0.1px;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
  }
  .ov-concept-bar-bg {
    flex: 1;
    height: 6px;
    background: var(--bg-subtle);
    position: relative;
    min-width: 60px;
    max-width: 110px;
  }
  .ov-concept-bar-fill {
    position: absolute;
    top: 0;
    bottom: 0;
    background: var(--up);
  }
  .ov-concept-bar-fill.down { background: var(--down); }
  .ov-concept-val {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.2px;
  }
  
  /* 双区:异动雷达 + 财经日历 */
  .overview-two-col {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
  }
  @media (max-width: 1100px) {
    .overview-two-col { grid-template-columns: 1fr; }
  }
  
  /* 异动雷达行 */
  .ov-radar-row {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: 12px;
    padding: 9px 18px;
    align-items: center;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px dashed var(--border-subtle);
  }
  .ov-radar-row:last-child { border-bottom: none; }
  .ov-radar-row:hover { background: var(--bg-hover); }
  .ov-radar-time {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-3);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }
  .ov-radar-text {
    font-size: 13px;
    color: var(--text-1);
    line-height: 1.5;
    letter-spacing: -0.1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .ov-radar-text strong { font-weight: 600; }
  .ov-radar-tag {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 3px;
    background: var(--up-soft);
    color: var(--up);
    font-weight: 600;
    border: 1px solid var(--up-line);
    font-family: var(--font-sans);
  }
  .ov-radar-tag.down {
    background: var(--down-soft);
    color: var(--down);
    border-color: var(--down-line);
  }
  .ov-radar-tag.neutral {
    background: var(--bg-subtle);
    color: var(--text-2);
    border-color: var(--border-subtle);
  }
  
  /* 财经日历行 */
  .ov-cal-row {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: 12px;
    padding: 9px 18px;
    align-items: center;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px dashed var(--border-subtle);
  }
  .ov-cal-row:last-child { border-bottom: none; }
  .ov-cal-row:hover { background: var(--bg-hover); }
  .ov-cal-name {
    font-size: 13px;
    color: var(--text-1);
    line-height: 1.45;
    letter-spacing: -0.1px;
    overflow: hidden;
  }
  .ov-cal-region {
    display: block;
    font-size: 10px;
    color: var(--text-3);
    margin-top: 2px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
  }
  .ov-cal-stars {
    color: #A78A56;
    font-size: 11px;
    letter-spacing: 0.5px;
  }
  
  /* mini 板块热力图(概览缩略版) */
  .ov-mini-heatmap {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    margin-bottom: 16px;
    padding: 14px 18px 18px 18px;
  }
  .ov-mini-heatmap-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
  }
  .ov-mini-heatmap-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
  }
  .ov-mini-heatmap-sub {
    font-size: 11px;
    color: var(--text-3);
    font-family: var(--font-mono);
  }
  .ov-mini-heatmap-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2px;
  }
  .ov-mini-sec {
    height: 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-1);
    cursor: pointer;
    transition: transform 0.1s;
    overflow: hidden;
    padding: 4px 6px;
    letter-spacing: -0.2px;
  }
  .ov-mini-sec:hover { transform: scale(1.04); position: relative; z-index: 2; }
  .ov-mini-sec span:last-child {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    margin-top: 1px;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.3px;
  }
  
  /* ═════════════════════════════════════════════════════════════════
     基金研究终端 Fund Terminal · Bloomberg 式 5 面板
     入口是股票,反查机构持仓
     ═════════════════════════════════════════════════════════════════ */
  
  .fund-container {
    margin: -32px -32px 0 -32px;
    background: var(--bg-main);
    min-height: calc(100vh - 60px);
    padding: 0;
  }

  /* ════════════════════════════════════════════════════════════════════
     响应式自适应 (导航大菜单 + 概览迷你热力图)
     大类菜单 7 列 / 迷你热力图 12 列在窄屏会挤压, 按视口降列。
     ════════════════════════════════════════════════════════════════════ */
  /* 顶部大类菜单网格随视口收列 (面板 left:0/right:0 占满视口宽) */
  @media (max-width: 1280px) {
    .mega-grid { grid-template-columns: repeat(5, 1fr); gap: 18px; }
    .ov-mini-heatmap-grid { grid-template-columns: repeat(8, 1fr); }
  }
  @media (max-width: 1024px) {
    .mega-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .ov-mini-heatmap-grid { grid-template-columns: repeat(6, 1fr); }
  }
  @media (max-width: 768px) {
    .mega-grid { grid-template-columns: repeat(2, 1fr); }
    .ov-mini-heatmap-grid { grid-template-columns: repeat(4, 1fr); }
  }
  /* .fund-container 用负边距贴合 .content 内边距; 内边距已改流式 → 这里同步用变量取负, 防窄屏出现缝隙/双边距 */
  @media (max-width: 1280px) {
    .fund-container { margin-left: calc(-1 * clamp(18px, 2.2vw, 32px)); margin-right: calc(-1 * clamp(18px, 2.2vw, 32px)); }
  }