/* ========================================================
   live.css — 场景推演 / 路段孪生 / 视角 / 时间轴 / 数据流
   来源：V22 HTML <style> 拆分 — 不改逻辑/不重构
   ======================================================== */

  /* ===== 地图区 ===== */
  
  /* === 视角切换按钮组（孪生主视觉强化） === */
  .view-mode-switcher {
    position: absolute;
    top: 12px; left: 14px;
    z-index: 25;
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 5px 8px;
  }
  
  /* V3.6 加分项 A: 主舞台运行状态条（右上角，10px 60% 透明） */
  .stage-runtime-bar {
    position: absolute;
    top: 12px; right: 14px;
    z-index: 25;
    background: rgba(10, 20, 36, 0.6);
    border: 1px solid rgba(36, 56, 89, 0.5);
    padding: 5px 10px;
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    font-family: "Roboto Mono", monospace;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(6px);
  }
  .stage-runtime-bar .live-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--risk-green);
    box-shadow: 0 0 6px var(--risk-green);
    animation: live-blink 1.5s ease-in-out infinite;
  }
  @keyframes live-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.5; }
  }
  .stage-runtime-bar .sep {
    color: var(--border-light);
  }
  .stage-runtime-bar .label-key {
    color: var(--text-tertiary);
  }
  .stage-runtime-bar .label-val {
    color: var(--text-secondary);
  }
  .view-mode-label {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin-right: 4px;
  }
  .view-mode-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 4px 9px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.5px;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .view-mode-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 212, 255, 0.05);
  }
  .view-mode-btn.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.18) 0%, rgba(168, 85, 247, 0.12) 100%);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    font-weight: 600;
  }
  .view-mode-btn .view-icon {
    font-size: 11px;
  }
  .view-mode-context {
    font-size: 10.5px;
    color: var(--accent-cyan);
    letter-spacing: 0.5px;
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border-light);
    font-family: "Roboto Mono", monospace;
  }
  
  /* V4.9 任务1: 全屏演示按钮（紧凑型，附在视角栏末尾） */
  .view-mode-fullscreen {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.20) 0%, rgba(0, 212, 255, 0.15) 100%);
    border: 1px solid rgba(168, 85, 247, 0.5);
    color: #d4b3ff;
    padding: 4px 9px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.5px;
    transition: all 0.18s;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 10px;
  }
  .view-mode-fullscreen:hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.32) 0%, rgba(0, 212, 255, 0.22) 100%);
    border-color: #a855f7;
    color: #fff;
  }
  /* 全屏 API 触发后 .map-container 会全屏，需让其内部 SVG 撑满 */
  .map-container:fullscreen,
  .map-container:-webkit-full-screen {
    background: #050a14;
    width: 100vw !important;
    height: 100vh !important;
  }
  .map-container:fullscreen #map-3d,
  .map-container:-webkit-full-screen #map-3d {
    width: 100% !important;
    height: 100% !important;
  }
  
  /* === 全省视角小窗（孪生模式下右下角缩略图） === */
  .province-mini-map {
    position: absolute;
    bottom: 14px; right: 14px;
    width: 180px;
    height: 130px;
    z-index: 24;
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 6px;
    display: none;
    cursor: pointer;
  }
  .province-mini-map.show { display: block; }
  .province-mini-map:hover {
    border-color: var(--accent-cyan);
  }
  .province-mini-map svg {
    width: 100%; height: 100%;
  }
  .province-mini-label {
    position: absolute;
    top: 4px; left: 8px;
    font-size: 11px;
    color: var(--accent-cyan);
    letter-spacing: 1px;
    font-family: "Roboto Mono", monospace;
  }
  .province-mini-hint {
    position: absolute;
    bottom: 4px; right: 6px;
    font-size: 8px;
    color: var(--text-tertiary);
  }
  
  /* === "一句话生成孪生场景"提示条 === */
  .twin-genesis-banner {
    position: absolute;
    bottom: 158px; right: 16px;
    z-index: 23;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.25) 0%, rgba(0, 212, 255, 0.15) 100%);
    border: 1px solid rgba(168, 85, 247, 0.5);
    padding: 8px 12px;
    font-size: 11px;
    color: #e0c8ff;
    letter-spacing: 0.3px;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 16px rgba(168, 85, 247, 0.3);
    max-width: 260px;
    animation: banner-pulse 2.4s ease-in-out infinite;
  }
  @keyframes banner-pulse {
    0%, 100% {
      box-shadow: 0 4px 16px rgba(168, 85, 247, 0.3);
      border-color: rgba(168, 85, 247, 0.5);
    }
    50% {
      box-shadow: 0 4px 28px rgba(168, 85, 247, 0.65), 0 0 0 4px rgba(168, 85, 247, 0.12);
      border-color: rgba(168, 85, 247, 0.85);
    }
  }
  .twin-genesis-banner:hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.32) 0%, rgba(0, 212, 255, 0.18) 100%);
    border-color: #a855f7;
    transform: translateY(-1px);
    animation: none;
    box-shadow: 0 6px 24px rgba(168, 85, 247, 0.6);
  }
  .twin-genesis-banner-arrow {
    color: #c084fc;
    font-size: 12px;
    margin-left: auto;
    animation: arrow-bounce 1.6s ease-in-out infinite;
  }
  @keyframes arrow-bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(3px); }
  }
  .twin-genesis-banner-tag {
    background: #a855f7;
    color: white;
    padding: 1px 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    font-family: "Roboto Mono", monospace;
  }
  
  /* V4.5: 方案干预按钮组（A/B/C） */
  .plan-switcher {
    position: absolute;
    bottom: 16px; right: 220px;
    z-index: 22;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(10, 20, 36, 0.95);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    padding: 6px 10px;
  }
  .plan-switcher-label {
    color: var(--text-tertiary);
    font-size: 10px;
    letter-spacing: 1px;
    margin-right: 4px;
  }
  .plan-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 5px 10px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .plan-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-cyan);
  }
  .plan-btn.active {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.12);
    color: var(--text-primary);
  }
  .plan-btn-tag {
    padding: 1px 5px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: white;
    font-family: "Roboto Mono", monospace;
  }
  .plan-btn-tag-red { background: var(--risk-red); }
  .plan-btn-tag-orange { background: var(--accent-amber); color: #0a1424; }
  .plan-btn-tag-green { background: var(--risk-green); color: #062014; }
  .plan-btn-recommended {
    border-color: rgba(46, 204, 113, 0.4);
  }
  .plan-btn-name { color: inherit; }
  
  /* V4.5: 方案对比卡片 */
  .plan-compare-card {
    position: absolute;
    top: 220px; right: 16px;
    width: 380px;
    background: rgba(10, 20, 36, 0.96);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    padding: 0;
    z-index: 21;
    display: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
  .plan-compare-card.show { display: block; animation: plan-card-fadein 0.3s ease-out; }
  @keyframes plan-card-fadein {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .plan-card-header {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 8px;
    background: rgba(20, 37, 64, 0.5);
  }
  .plan-card-tag {
    padding: 2px 7px;
    font-size: 10px;
    font-weight: 700;
    color: white;
    letter-spacing: 0.5px;
    font-family: "Roboto Mono", monospace;
  }
  .plan-card-title {
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    flex: 1;
  }
  .plan-card-close {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-tertiary);
    padding: 3px 8px;
    font-size: 10px;
    cursor: pointer;
    font-family: inherit;
  }
  .plan-card-close:hover { color: var(--text-primary); border-color: var(--text-secondary); }
  .plan-card-body {
    padding: 10px 12px;
  }
  .plan-card-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
  }
  .plan-metric {
    padding: 4px 0;
  }
  .plan-metric-label {
    color: var(--text-tertiary);
    font-size: 10px;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
  }
  .plan-metric-val {
    font-size: 14px;
    font-weight: 600;
    font-family: "Roboto Mono", monospace;
  }
  .plan-metric-chain {
    grid-column: span 2;
  }
  .plan-metric-chain .plan-metric-val {
    font-family: inherit;
    font-size: 11.5px !important;
    line-height: 1.5;
  }
  
  /* V4.8 雷达图 */
  .plan-card-radar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 6px 8px;
    border-bottom: 1px dashed rgba(122, 147, 184, 0.18);
  }
  .plan-card-radar-svg {
    flex-shrink: 0;
  }
  .plan-card-radar-legend {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 10.5px;
  }
  .plan-card-radar-legend-row {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .plan-card-radar-dot {
    width: 10px; height: 10px;
    flex-shrink: 0;
    display: inline-block;
  }
  .plan-card-radar-tip {
    margin-top: 4px;
    color: var(--text-tertiary);
    font-size: 11px;
    line-height: 1.5;
    letter-spacing: 0.3px;
  }
  
  /* V4.6: 孪生对象点击 popover 面板 */
  .twin-obj-popover {
    position: absolute;
    width: 260px;
    background: rgba(10, 20, 36, 0.97);
    border: 1px solid var(--accent-cyan);
    backdrop-filter: blur(10px);
    z-index: 28;
    display: none;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 212, 255, 0.18);
    animation: obj-popover-in 0.18s ease-out;
  }
  .twin-obj-popover.show { display: block; }
  @keyframes obj-popover-in {
    from { opacity: 0; transform: translateY(-4px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
  .twin-obj-popover-header {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(20, 37, 64, 0.55);
  }
  .twin-obj-popover-icon {
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 212, 255, 0.18);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    font-size: 12px;
  }
  .twin-obj-popover-title {
    flex: 1;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
  }
  .twin-obj-popover-tag {
    font-size: 11px;
    padding: 1px 5px;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    font-family: "Roboto Mono", monospace;
    letter-spacing: 1px;
  }
  .twin-obj-popover-close {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 14px;
    padding: 0 4px;
  }
  .twin-obj-popover-close:hover { color: var(--text-primary); }
  .twin-obj-popover-body {
    padding: 10px 12px;
  }
  .twin-obj-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 11px;
    border-bottom: 1px dashed rgba(122, 147, 184, 0.15);
  }
  .twin-obj-row:last-child { border-bottom: none; }
  .twin-obj-label {
    color: var(--text-secondary);
  }
  .twin-obj-val {
    color: var(--text-primary);
    font-family: "Roboto Mono", monospace;
    font-weight: 600;
  }
  .twin-obj-val.red { color: var(--risk-red); }
  .twin-obj-val.orange { color: var(--risk-orange); }
  .twin-obj-val.green { color: var(--risk-green); }
  .twin-obj-val.amber { color: var(--accent-amber); }
  .twin-obj-popover-ai {
    margin-top: 8px;
    padding: 7px 9px;
    background: rgba(168, 85, 247, 0.10);
    border-left: 2px solid #a855f7;
    font-size: 10.5px;
    line-height: 1.6;
    color: #d4b3ff;
  }
  .twin-obj-popover-ai-tag {
    color: #c084fc;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 1px;
    margin-right: 4px;
  }
  .twin-obj-popover-trend {
    margin-top: 6px;
    padding: 6px 8px;
    background: rgba(20, 37, 64, 0.5);
    font-size: 10px;
    color: var(--text-tertiary);
    line-height: 1.5;
  }
  .twin-obj-popover-trend strong {
    color: var(--accent-cyan);
    font-family: "Roboto Mono", monospace;
  }
  
  /* 可点击对象悬停高亮 */
  .clickable-twin-obj {
    cursor: pointer;
    transition: filter 0.15s;
  }
  .clickable-twin-obj:hover {
    filter: drop-shadow(0 0 4px rgba(0, 212, 255, 0.8)) brightness(1.15);
  }
  
  .map-container {
    background: radial-gradient(ellipse at 50% 50%, #0a1828 0%, #050a14 100%);
    position: relative;
    overflow: hidden;
  }
  .map-container svg { width: 100%; height: 100%; display: block; }
  
  /* 3D 数字孪生视图 */
  #map-3d {
    width: 100%; height: 100%;
    display: none;
  }
  #map-3d.show {
    display: block;
    animation: fadeInPure 0.35s ease-out;
  }
  #map { transition: opacity 0.3s; }
  #map.hidden { display: none; }
  /* V5.1 任务1: 取消 scale 缩放，避免"主视觉先大后小"的错觉。改为纯 opacity 淡入 */
  @keyframes fadeInPure {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  /* 返回按钮 */
  .back-to-overview {
    position: absolute;
    top: 16px; left: 16px;
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 8px 14px;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
    z-index: 30;
    display: none;
    backdrop-filter: blur(8px);
    transition: all 0.15s;
    letter-spacing: 0.5px;
  }
  .back-to-overview.show { display: block; }
  .back-to-overview:hover {
    background: rgba(0, 212, 255, 0.15);
  }
  
  /* 3D 视图 HUD 信息条 */
  .twin-hud {
    position: absolute;
    top: 16px; right: 16px;
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 12px 16px;
    z-index: 20;
    display: none;
    min-width: 280px;
  }
  .twin-hud.show { display: block; }
  .twin-hud-title {
    font-size: 11px;
    color: var(--accent-cyan);
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    display: flex; align-items: center; gap: 6px;
  }
  .twin-hud-title::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: blink 1.2s ease-in-out infinite;
  }
  .twin-hud-row {
    display: flex; justify-content: space-between;
    padding: 3px 0;
    font-size: 11px;
    border-bottom: 1px dashed rgba(122, 147, 184, 0.15);
  }
  .twin-hud-row:last-child { border-bottom: none; }
  .twin-hud-label { color: var(--text-secondary); }
  .twin-hud-val { color: var(--text-primary); font-family: "Roboto Mono", monospace; font-weight: 600; }
  .twin-hud-val.red { color: var(--risk-red); }
  .twin-hud-val.orange { color: var(--risk-orange); }
  .twin-hud-val.cyan { color: var(--accent-cyan); }
  
  /* 3D 视图底部说明条 */
  .twin-bottom {
    position: absolute;
    bottom: 16px; left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 8px 18px;
    z-index: 20;
    font-size: 11px;
    letter-spacing: 0.5px;
    display: none;
    color: var(--text-secondary);
  }
  .twin-bottom.show { display: block; }
  .twin-bottom strong { color: var(--accent-cyan); }
  
  /* 3D视图右下角操作按钮 */
  .twin-actions {
    position: absolute;
    bottom: 16px; right: 16px;
    display: none;
    gap: 8px;
    z-index: 20;
  }
  
  /* 孪生场景库切换器（位于HUD下方） */
  .twin-scene-library {
    position: absolute;
    top: 220px; right: 16px;
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 10px 12px;
    z-index: 20;
    display: none;
    min-width: 220px;
  }
  .twin-scene-library.show { display: block; }
  .twin-scene-lib-title {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 8px;
  }
  .twin-scene-lib-grid {
    display: flex; flex-direction: column; gap: 4px;
  }
  .twin-scene-lib-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 7px 10px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
    display: flex; align-items: center; gap: 8px;
    text-align: left;
  }
  .twin-scene-lib-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
  }
  .twin-scene-lib-btn.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
  }
  .lib-icon { font-size: 14px; }
  
  /* 车辆识别详情卡片（中间靠上） */
  .vehicle-info-card {
    position: absolute;
    top: 220px; left: 16px;
    width: 320px;
    background: rgba(10, 20, 36, 0.95);
    border: 1px solid var(--accent-cyan);
    backdrop-filter: blur(8px);
    z-index: 25;
    display: none;
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.15);
  }
  .vehicle-info-card.show {
    display: block;
    animation: vehicleCardIn 0.25s ease-out;
  }
  @keyframes vehicleCardIn {
    from { opacity: 0; transform: translateX(-12px); }
    to { opacity: 1; transform: translateX(0); }
  }
  .vehicle-card-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 212, 255, 0.06);
  }
  .vehicle-card-title { display: flex; align-items: center; gap: 10px; }
  .vehicle-card-tag {
    background: #1e6b1e;
    color: white;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    font-family: "Roboto Mono", monospace;
    border: 1px solid #4a9b4a;
  }
  .vehicle-card-type {
    color: var(--accent-cyan);
    font-size: 12px;
    letter-spacing: 0.5px;
  }
  .vehicle-card-close {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    width: 24px; height: 24px;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.15s;
  }
  .vehicle-card-close:hover { color: var(--risk-red); border-color: var(--risk-red); }
  
  .vehicle-card-body {
    padding: 12px 14px;
    max-height: 380px;
    overflow-y: auto;
  }
  .vehicle-card-body::-webkit-scrollbar { width: 4px; }
  .vehicle-card-body::-webkit-scrollbar-thumb { background: var(--border-light); }
  
  .vehicle-card-section {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px dashed rgba(122, 147, 184, 0.2);
  }
  .vehicle-card-section:last-child { border-bottom: none; padding-bottom: 0; }
  .vehicle-card-section-title {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 6px;
  }
  .vehicle-card-row {
    display: flex; justify-content: space-between; align-items: baseline;
    padding: 3px 0;
    font-size: 12px;
  }
  .vehicle-card-row > span:first-child { color: var(--text-secondary); }
  .vehicle-card-row > span:last-child {
    color: var(--text-primary);
    font-weight: 500;
    font-family: "Roboto Mono", monospace;
    text-align: right;
  }
  .vehicle-card-row > span.red { color: var(--risk-red); }
  .vehicle-card-row > span.orange { color: var(--risk-orange); }
  .vehicle-card-row > span.cyan { color: var(--accent-cyan); }
  
  .vehicle-card-risk {
    background: rgba(231, 76, 60, 0.12);
    border-left: 3px solid var(--risk-red);
    padding: 8px 10px;
    font-size: 11.5px;
    line-height: 1.6;
    color: #f0d0d0;
  }
  .twin-actions.show { display: flex; }
  /* 车辆信息卡片（点击车辆弹出） */
  .vehicle-info-card {
    position: absolute;
    background: rgba(10, 20, 36, 0.96);
    border: 1px solid var(--accent-cyan);
    backdrop-filter: blur(8px);
    padding: 14px 16px;
    z-index: 100;
    min-width: 280px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 212, 255, 0.15);
    display: none;
  }
  .vehicle-info-card.show {
    display: block;
    animation: cardFadeIn 0.2s ease-out;
  }
  @keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(-4px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
  .vehicle-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 10px;
  }
  .vehicle-card-title {
    flex: 1;
  }
  .vehicle-card-tag {
    display: inline-block;
    background: var(--accent-cyan);
    color: #001a26;
    padding: 1px 7px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 5px;
    font-family: "Roboto Mono", monospace;
  }
  .vehicle-card-tag.warn {
    background: var(--accent-amber);
    color: #1a1004;
  }
  .vehicle-card-tag.danger {
    background: var(--risk-red);
    color: white;
  }
  .vehicle-card-plate {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: "Roboto Mono", monospace;
    letter-spacing: 1px;
  }
  .vehicle-card-type {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
  }
  .vehicle-card-close {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    width: 22px; height: 22px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    line-height: 1;
    transition: all 0.15s;
  }
  .vehicle-card-close:hover {
    color: var(--risk-red);
    border-color: var(--risk-red);
  }
  .vehicle-card-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 11.5px;
    border-bottom: 1px dashed rgba(122, 147, 184, 0.12);
  }
  .vehicle-card-row:last-of-type { border-bottom: none; }
  .vehicle-card-label {
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
  }
  .vehicle-card-val {
    color: var(--text-primary);
    font-family: "Roboto Mono", monospace;
    font-weight: 500;
  }
  .vehicle-card-val.cyan { color: var(--accent-cyan); }
  .vehicle-card-val.orange { color: var(--accent-amber); }
  .vehicle-card-val.red { color: var(--risk-red); }
  .vehicle-card-section {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin: 10px 0 4px;
    padding-left: 6px;
    border-left: 2px solid var(--accent-cyan);
  }
  .vehicle-card-ai {
    background: rgba(0, 212, 255, 0.08);
    border-left: 2px solid var(--accent-cyan);
    padding: 7px 10px;
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-primary);
    line-height: 1.55;
  }
  .vehicle-card-ai.warn {
    background: rgba(255, 181, 46, 0.08);
    border-left-color: var(--accent-amber);
  }
  .vehicle-card-ai.danger {
    background: rgba(231, 76, 60, 0.08);
    border-left-color: var(--risk-red);
  }
  .vehicle-card-ai strong {
    color: var(--accent-cyan);
    font-weight: 600;
  }
  .vehicle-card-ai.warn strong { color: var(--accent-amber); }
  .vehicle-card-ai.danger strong { color: var(--risk-red); }
  
  /* 摄像头视图下，车辆 hover 高亮 */
  #cam-vehicles-container g.cam-clickable-car {
    cursor: pointer;
    transition: filter 0.15s;
  }
  #cam-vehicles-container g.cam-clickable-car:hover {
    filter: drop-shadow(0 0 6px var(--accent-cyan)) brightness(1.15);
  }
  
  /* 暂停按钮特殊样式 */
  .twin-action-btn.paused {
    background: rgba(255, 181, 46, 0.15);
    border-color: var(--accent-amber);
    color: var(--accent-amber);
  }
  
  /* 3D视图操作按钮 */
  .twin-action-btn {
    background: rgba(10, 20, 36, 0.92);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 8px 14px;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
    backdrop-filter: blur(8px);
    transition: all 0.15s;
    letter-spacing: 0.5px;
  }
  .twin-action-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
  }
  .twin-action-btn.primary {
    background: var(--accent-amber);
    color: #1a1004;
    border-color: var(--accent-amber);
    font-weight: 600;
  }
  .twin-action-btn.primary:hover {
    background: #ffc956;
  }
  
  /* 车辆移动动画 */
  @keyframes vehicle-move {
    from { transform: translateX(0); }
    to { transform: translateX(-1200px); }
  }
  @keyframes vehicle-move-slow {
    from { transform: translateX(0); }
    to { transform: translateX(-800px); }
  }
  @keyframes vehicle-move-reverse {
    from { transform: translateX(-1200px); }
    to { transform: translateX(0); }
  }
  
  /* 沙盘车队（横向缓慢移动） */
  @keyframes convoyMove1 {
    from { transform: translateX(0); }
    to { transform: translateX(360px); }
  }
  @keyframes convoyMove2 {
    from { transform: translateX(0); }
    to { transform: translateX(180px); }
  }
  
  /* 团雾笼罩动画 */
  @keyframes fog-drift {
    0%, 100% { opacity: 0.7; transform: translateX(0); }
    50% { opacity: 0.85; transform: translateX(20px); }
  }
  
  /* 雷达扫描效果 */
  @keyframes radar-sweep {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }
  
  .map-overlay-tl {
    position: absolute; top: 16px; left: 16px;
    background: rgba(10, 20, 36, 0.85);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 12px 14px;
    font-size: 11px;
    z-index: 10;
  }
  .map-overlay-tl .legend-title {
    font-size: 10px; color: var(--text-tertiary);
    letter-spacing: 2px; margin-bottom: 8px;
  }
  .legend-item { display: flex; align-items: center; gap: 8px; margin: 4px 0; }
  .legend-dot { width: 10px; height: 10px; border-radius: 50%; }
  
  .map-overlay-tr {
    position: absolute; top: 16px; right: 16px;
    background: rgba(10, 20, 36, 0.85);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
    padding: 14px 18px;
    z-index: 10;
    min-width: 220px;
  }
  .stat-row {
    display: flex; justify-content: space-between; align-items: baseline;
    padding: 4px 0;
    border-bottom: 1px dashed rgba(122, 147, 184, 0.15);
  }
  .stat-row:last-child { border-bottom: none; }
  .stat-label { font-size: 11px; color: var(--text-secondary); }
  .stat-value {
    font-size: 16px; font-weight: 600;
    font-family: "Roboto Mono", "Consolas", monospace;
    transition: color 0.3s;
  }
  .stat-value.red { color: var(--risk-red); }
  .stat-value.orange { color: var(--risk-orange); }
  .stat-value.cyan { color: var(--accent-cyan); }
  
  /* === V16: 场景推演全省视角专用安全布局
     问题：全省视角下"红橙黄绿图例 + 受影响路段统计模块"和"#impact-list AI 路段列表"挤压。
     方案：把 overlay 紧凑化（防止高度堆得太长压住下方 impact-list 区） */
  /* 1. 左上图例 - 紧凑高度 */
  #mode-live .map-container.province-view .map-overlay-tl {
    top: 60px;          /* 让出顶部视角栏(48px)空间 */
    left: 16px;
    padding: 7px 10px;
    max-width: 240px;
    max-height: 130px;
    overflow: hidden;
    z-index: 18;
  }
  #mode-live .map-container.province-view .map-overlay-tl .legend-title {
    margin-bottom: 4px;
    font-size: 9.5px;
  }
  #mode-live .map-container.province-view .map-overlay-tl .legend-item {
    margin: 2px 0;
    font-size: 10.5px;
  }
  /* 2. 右上统计模块改紧凑横条（4 项数字平铺，避免竖向堆叠） */
  #mode-live .map-container.province-view .map-overlay-tr {
    top: 60px;
    right: 14px;
    padding: 6px 8px;
    min-width: 0;
    max-width: 380px;
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 0 4px;
    z-index: 18;
  }
  #mode-live .map-container.province-view .map-overlay-tr .stat-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 3px 8px;
    border-bottom: none;
    border-left: 2px solid rgba(122, 147, 184, 0.32);
  }
  #mode-live .map-container.province-view .map-overlay-tr .stat-row:first-child { border-left-color: var(--risk-red); }
  #mode-live .map-container.province-view .map-overlay-tr .stat-row:nth-child(2) { border-left-color: var(--risk-orange); }
  #mode-live .map-container.province-view .map-overlay-tr .stat-row:nth-child(3) { border-left-color: var(--risk-red); }
  #mode-live .map-container.province-view .map-overlay-tr .stat-row:nth-child(4) { border-left-color: var(--accent-cyan); }
  #mode-live .map-container.province-view .map-overlay-tr .stat-label {
    font-size: 9.5px;
    line-height: 1;
    color: var(--text-tertiary);
    letter-spacing: 0.3px;
    white-space: nowrap;
  }
  #mode-live .map-container.province-view .map-overlay-tr .stat-value {
    font-size: 14px;
    line-height: 1.1;
  }
  /* 3. 全省视角下隐藏 +2H 推演底部时间标签（与下方时间轴 + impact-list 重复） */
  #mode-live .map-container.province-view .map-overlay-bottom {
    display: none;
  }
  /* 4. 全省视角下隐藏 mini map 入口 + 紫 banner（这两个本就只在 twin 视角有意义） */
  #mode-live .map-container.province-view .twin-genesis-banner,
  #mode-live .map-container.province-view .plan-switcher,
  #mode-live .map-container.province-view .plan-compare-card {
    display: none !important;
  }
  /* 5. 数据流 chip 收紧 */
  #mode-live .map-container.province-view .data-stream {
    bottom: 12px;
    max-width: 200px;
  }
  
  /* ===================================================================
     V17: 场景推演全省视角浮层安全区统一修复（一次性收齐遮挡问题）
     原则：建立"三层级 top 阶梯 + 兄弟选择器自动下移 + .left-panel 双 class"
     兄弟选择器有效性已验证：DOM 顺序 stage-bar < banner < map-overlay-tl
     =================================================================== */
  
  /* 1. 主控件（.left-panel 上、不在 .map-container 内）— 不变占位，但确认 z-index */
  #mode-live .left-panel.province-view .view-mode-switcher,
  #mode-live .left-panel.twin-view .view-mode-switcher,
  #mode-live .left-panel.camera-view .view-mode-switcher {
    z-index: 25;
  }
  #mode-live .left-panel.province-view .stage-runtime-bar,
  #mode-live .left-panel.twin-view .stage-runtime-bar,
  #mode-live .left-panel.camera-view .stage-runtime-bar {
    z-index: 25;
  }
  
  /* 2. 全省视角通用左上图例：默认贴在视角栏(48px)+12px 安全间隙下方 = 72px */
  #mode-live .map-container.province-view .map-overlay-tl {
    top: 72px;
    left: 16px;
    padding: 7px 10px;
    max-width: 220px;
    max-height: 112px;
    overflow: hidden;
    z-index: 16;
  }
  
  /* 3. 右上统计条紧凑横向（覆盖 V16 的 z-index 18 → 16） */
  #mode-live .map-container.province-view .map-overlay-tr {
    z-index: 16;
  }
  
  /* 4. 兄弟选择器：冻雨 Banner 显示时，左上图例自动下移到 Banner 下方 */
  #mode-live .map-container.province-view
  .freezerain-province-banner.show ~ .map-overlay-tl {
    top: 128px;
    max-height: 105px;
  }
  
  /* 5. 阶段条 + Banner 同时显示时，三层阶梯：阶段条 54 → Banner 94 → 图例 158 */
  #mode-live .map-container.province-view .freezerain-stage-bar.show {
    top: 54px;
    z-index: 24;
    width: min(500px, calc(100% - 360px));
    min-width: 360px;
  }
  #mode-live .map-container.province-view
  .freezerain-stage-bar.show ~ .freezerain-province-banner.show {
    top: 94px;
    z-index: 22;   /* 不再压住主控件（V16 是 30 太高） */
  }
  #mode-live .map-container.province-view
  .freezerain-stage-bar.show ~ .freezerain-province-banner.show ~ .map-overlay-tl {
    top: 158px;
    max-height: 96px;
  }
  
  /* 6. 全省视角下数据流强制折叠（不允许展开抢左下角空间） */
  #mode-live .map-container.province-view .data-stream {
    bottom: 12px;
    left: 16px;
    width: auto;
    max-width: 200px;
    max-height: 30px;
    padding: 6px 12px;
    z-index: 15;
  }
  #mode-live .map-container.province-view .data-stream .data-stream-log,
  #mode-live .map-container.province-view .data-stream .data-stream-title-full {
    display: none !important;
  }
  #mode-live .map-container.province-view .data-stream .data-stream-title-collapsed {
    display: flex !important;
  }
  
  /* 7. 全省视角下额外隐藏的浮层（mini-map 在全省视角无意义） */
  #mode-live .map-container.province-view .province-mini-map {
    display: none !important;
  }
  
  /* === V17 END === */
  
  /* ===================================================================
     V18: 场景推演浮层状态兜底补丁
     用 has-freezerain-stage / has-freezerain-banner 状态类替代纯兄弟选择器，
     不再完全依赖 DOM 顺序；同时降低 Banner 全省视角下的 z-index 防止压主控件。
     === */
  
  /* 1. 全省视角下 Banner 不应高于主控件（z-index: 30 → 22） */
  #mode-live .map-container.province-view .freezerain-province-banner.show {
    z-index: 22;
  }
  
  /* 2. class 兜底：Banner 显示时，左上图例下移 */
  #mode-live .map-container.province-view.has-freezerain-banner .map-overlay-tl {
    top: 128px;
    max-height: 105px;
  }
  
  /* 3. class 兜底：阶段条 + Banner 同时显示时，三层安全区 */
  #mode-live .map-container.province-view.has-freezerain-stage.has-freezerain-banner .freezerain-stage-bar.show {
    top: 54px;
    z-index: 24;
    width: min(500px, calc(100% - 360px));
    min-width: 360px;
  }
  #mode-live .map-container.province-view.has-freezerain-stage.has-freezerain-banner .freezerain-province-banner.show {
    top: 94px;
    z-index: 22;
  }
  #mode-live .map-container.province-view.has-freezerain-stage.has-freezerain-banner .map-overlay-tl {
    top: 158px;
    max-height: 96px;
  }
  
  /* 4. 小屏兜底（≤1360px）：左上图例弱化避免盖地图主体 */
  @media (max-width: 1360px) {
    #mode-live .map-container.province-view.has-freezerain-stage.has-freezerain-banner .map-overlay-tl {
      opacity: 0.35;
      pointer-events: none;
    }
  }
  
  /* 5. 低高度兜底（≤760px）：减少左上图例高度 */
  @media (max-height: 760px) {
    #mode-live .map-container.province-view .map-overlay-tl {
      max-height: 82px;
    }
    #mode-live .map-container.province-view.has-freezerain-stage.has-freezerain-banner .map-overlay-tl {
      max-height: 72px;
    }
  }
  
  /* === V18 END === */
  
  /* ===================================================================
     V19: 路段孪生 / 摄像头视角底部浮层收敛
     问题：路段孪生视角下 data-stream(左下) + twin-bottom(中下) + mini-map(右下)
           三者在底部相互挤压，主路面被遮挡。
     方案：藏 data-stream / 缩小 mini-map / twin-bottom 改左侧短状态条避让 mini-map。
     === */
  
  /* 1. 路段孪生 / 摄像头视角下，左下数据流 chip 隐藏（演示主视觉是路面+车辆，不需要日志） */
  #mode-live .map-container.twin-view .data-stream,
  #mode-live .map-container.camera-view .data-stream {
    display: none !important;
  }
  
  /* 2. 路段孪生视角 mini-map 缩小（180×130 → 150×108） */
  #mode-live .map-container.twin-view .province-mini-map {
    width: 150px;
    height: 108px;
    right: 14px;
    bottom: 22px;
    z-index: 18;
    opacity: 0.86;
  }
  #mode-live .map-container.twin-view .province-mini-map:hover {
    opacity: 1;
    border-color: var(--accent-cyan);
  }
  
  /* 3. 摄像头视角下隐藏 mini-map（聚焦摄像头画面，不需要全省小图） */
  #mode-live .map-container.camera-view .province-mini-map {
    display: none !important;
  }
  
  /* 4. twin-bottom 改为左侧短状态条避让 mini-map（不再横向居中） */
  #mode-live .map-container.twin-view .twin-bottom {
    left: 18px;
    right: 178px;          /* 留出 mini-map 150 + 14*2 边距 */
    bottom: 22px;
    transform: none;
    width: auto;
    max-width: none;
    padding: 8px 14px;
    z-index: 18;
    font-size: 11px;
    line-height: 1.45;
    background: rgba(5, 12, 24, 0.82);
    border: 1px solid rgba(0, 212, 255, 0.22);
    backdrop-filter: blur(8px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* 5. 摄像头视角 twin-bottom 通栏（mini-map 已隐藏，可铺满底部） */
  #mode-live .map-container.camera-view .twin-bottom {
    left: 18px;
    right: 18px;
    bottom: 18px;
    transform: none;
    width: auto;
    max-width: none;
    z-index: 18;
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* 6. 小屏兜底（≤1500px）：mini-map 再缩到 132×96，twin-bottom 右侧避让 150 */
  @media (max-width: 1500px) {
    #mode-live .map-container.twin-view .province-mini-map {
      width: 132px;
      height: 96px;
    }
    #mode-live .map-container.twin-view .twin-bottom {
      right: 150px;
    }
  }
  
  /* === V19 END === */
  
  /* ===================================================================
     V20 → V21: 全省视角四角语义化布局
     V20 把 KPI 框放左下，但用户二审后觉得 KPI 是核心信息（4 个数字密度高）
     应作为视线收尾的右下角。data-stream chip 是辅助状态指示，归左下。
     最终四角语义：左上图例 / 右上空 / 左下 chip(辅助) / 右下 KPI(核心)
     === */
  #mode-live .map-container.province-view .map-overlay-tr {
    /* V21: KPI 框移到右下（核心信息作视线收尾） */
    top: auto;
    right: 16px;
    left: auto;
    bottom: 80px;            /* 让出底部时间轴 60px + impact-list 部分高度 */
    /* 视觉弱化：半透明 + 模糊，不强抢主视觉 */
    background: rgba(10, 20, 36, 0.85);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(8px);
  }
  /* V21: data-stream chip 移到左下（辅助状态指示，让视觉权重低于右下 KPI） */
  #mode-live .map-container.province-view .data-stream {
    bottom: 80px;
    left: 16px;
    right: auto;
    z-index: 16;
  }
  
  /* === V20→V21 END === */
  
  .map-overlay-bottom {
    position: absolute; bottom: 16px; left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 20, 36, 0.9);
    border: 1px solid var(--border-light);
    padding: 8px 20px;
    z-index: 10;
    font-size: 12px;
    letter-spacing: 1px;
  }
  .future-tag {
    display: inline-block;
    background: var(--accent-amber);
    color: #1a1004;
    padding: 2px 8px;
    margin-right: 12px;
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 1.5px;
  }
  
  /* ===== 数据流监控（左下角小窗） ===== */
  .data-stream {
    position: absolute;
    bottom: 60px; left: 16px;       /* V13: 64 → 60，紧贴时间轴上方 */
    width: 220px;
    max-height: 132px;
    background: rgba(10, 20, 36, 0.78);
    border: 1px solid rgba(122, 147, 184, 0.18);
    backdrop-filter: blur(8px);
    padding: 8px 10px;
    z-index: 24;                    /* V13: 10 → 24，高于节点清单(22)，避免被切顶 */
    font-family: "Roboto Mono", "Consolas", monospace;
    font-size: 11px;
    color: var(--text-secondary);
    overflow: hidden;
    transition: all 0.25s;
    cursor: pointer;
  }
  /* V3.7: 默认折叠为单行 chip（数据流监控不要抢主视觉） */
  .data-stream.collapsed {
    width: auto;
    max-width: 200px;
    max-height: 30px;
    padding: 6px 12px;
  }
  .data-stream.collapsed .data-stream-log,
  .data-stream.collapsed .data-stream-title-full { display: none; }
  .data-stream:not(.collapsed) .data-stream-title-collapsed { display: none; }
  .data-stream-title-collapsed {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    display: flex; align-items: center; gap: 8px;
    white-space: nowrap;
  }
  .data-stream-title-collapsed::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--risk-green);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--risk-green);
    animation: blink 1.5s ease-in-out infinite;
    flex-shrink: 0;
  }
  .data-stream-title-collapsed strong {
    color: var(--accent-cyan);
    font-family: "Roboto Mono", monospace;
    font-weight: 600;
  }
  .data-stream-title-collapsed .expand-hint {
    color: var(--text-tertiary);
    font-size: 10px;
  }
  .data-stream:hover { opacity: 1; }
  .map-container:not(:hover) .data-stream { opacity: 0.85; }
  .data-stream-title {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 6px;
    display: flex; align-items: center; gap: 6px;
  }
  .data-stream-title::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--risk-green);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
  }
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
  }
  .data-stream-log {
    height: 140px;
    overflow: hidden;
    position: relative;
  }
  .data-stream-log .log-line {
    line-height: 1.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    animation: slide-in 0.3s ease-out;
  }
  @keyframes slide-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .log-time { color: var(--text-tertiary); }
  .log-source-eta { color: #8ed3ff; }
  .log-source-met { color: #ffd28e; }
  .log-source-cam { color: #b8ffb0; }
  .log-source-llm { color: #d8a8ff; }
  .log-source-port { color: #ffb0b0; }
  .log-source-sys { color: var(--text-secondary); }
  
  /* ===== V5.1 任务2/3: AI 识别过场弹层（强视觉链路开场） ===== */
  .ai-recognize-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 50% 40%, rgba(20, 35, 65, 0.92) 0%, rgba(5, 10, 20, 0.97) 80%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9990;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.35s ease;
  }
  .ai-recognize-overlay.show {
    display: flex;
    opacity: 1;
  }
  .ai-recognize-card {
    width: min(760px, calc(100vw - 96px));
    background: linear-gradient(180deg, rgba(15, 28, 50, 0.96) 0%, rgba(8, 18, 35, 0.96) 100%);
    border: 1px solid rgba(168, 85, 247, 0.55);
    border-radius: 4px;
    box-shadow: 0 0 56px rgba(168, 85, 247, 0.32), 0 0 0 1px rgba(168, 85, 247, 0.15) inset;
    padding: 26px 32px 30px;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  }
  .ai-recognize-head {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 4px;
  }
  .ai-recognize-spinner {
    width: 16px; height: 16px;
    border: 2px solid rgba(168, 85, 247, 0.25);
    border-top-color: #c084fc;
    border-radius: 50%;
    animation: aiSpin 0.9s linear infinite;
  }
  @keyframes aiSpin { to { transform: rotate(360deg); } }
  .ai-recognize-tag {
    font-size: 11px;
    color: #c084fc;
    letter-spacing: 2px;
    font-weight: 600;
  }
  .ai-recognize-question {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin: 6px 0 22px;
    line-height: 1.6;
    padding: 10px 14px;
    background: rgba(168, 85, 247, 0.06);
    border-left: 2px solid #a855f7;
    word-break: keep-all;
  }
  .ai-recognize-question strong { color: var(--text-primary); }
  .ai-recognize-list { display: flex; flex-direction: column; gap: 10px; }
  .ai-recognize-item {
    display: grid;
    grid-template-columns: 22px 96px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 8px 10px;
    background: rgba(20, 37, 64, 0.4);
    border-left: 2px solid rgba(168, 85, 247, 0.0);
    opacity: 0.25;
    transform: translateX(-8px);
    transition: all 0.4s cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .ai-recognize-item.lit {
    opacity: 1;
    transform: translateX(0);
    border-left-color: #c084fc;
    background: rgba(168, 85, 247, 0.08);
  }
  .ai-recognize-check {
    color: #c084fc;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    opacity: 0;
    transition: opacity 0.25s;
  }
  .ai-recognize-item.lit .ai-recognize-check { opacity: 1; }
  .ai-recognize-key {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
  }
  .ai-recognize-val {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.45;
    word-break: keep-all;
    overflow-wrap: normal;
  }
  .ai-recognize-val .hl { color: #c084fc; font-weight: 600; }
  .ai-recognize-val .hl-red { color: var(--risk-red); font-weight: 600; }
  .ai-recognize-val .hl-cyan { color: var(--accent-cyan); font-weight: 600; }
  .ai-recognize-stage {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed rgba(168, 85, 247, 0.2);
    font-size: 11.5px;
    color: var(--text-secondary);
    text-align: center;
    letter-spacing: 1px;
    min-height: 18px;
  }
  .ai-recognize-stage .stg-dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #c084fc;
    margin-right: 6px;
    vertical-align: middle;
    animation: blink 1s ease-in-out infinite;
  }
  
  /* 全省视角下的"冻雨高亮模式"引导卡 */
  .freezerain-province-banner {
    position: absolute;
    top: 58px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 30;
    background: linear-gradient(135deg, rgba(12, 28, 48, 0.96) 0%, rgba(28, 38, 58, 0.96) 100%);
    border: 1px solid rgba(180, 220, 255, 0.55);
    color: #d8ecff;
    padding: 8px 18px;
    font-size: 12.5px;
    letter-spacing: 1.5px;
    border-radius: 2px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.65);
    display: none;
    animation: bannerSlideIn 0.5s ease-out;
    width: min(720px, calc(100% - 72px));
    min-width: 560px;
    text-align: left;
  }
  .freezerain-province-banner.show { display: block; }
  .freezerain-province-banner strong { color: #fff; }
  /* V8.1 需求 6 / V17 修复: 路段概览打开时弱化 banner（保留 translateX(-50%) 居中，否则 scale 会让 banner 右偏） */
  .freezerain-province-banner.dim-by-overview {
    opacity: 0.4;
    filter: blur(0.5px);
    transform: translateX(-50%) scale(0.96);
    transition: all 0.25s ease;
    pointer-events: none;
  }
  .freezerain-province-title {
    display: block;
    font-size: 13px;
    line-height: 1.45;
  }
  .freezerain-province-subtitle {
    display: block;
    margin-top: 3px;
    padding-right: 176px;
    color: rgba(216, 236, 255, 0.78);
    font-size: 10.5px;
    letter-spacing: 0.6px;
    line-height: 1.5;
  }
  .freezerain-province-cta {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 14px;
    border: 1px solid rgba(168, 216, 255, 0.75);
    border-radius: 2px;
    background: linear-gradient(135deg, rgba(168, 216, 255, 0.28), rgba(74, 144, 226, 0.16));
    color: #f4fbff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    cursor: pointer;
    box-shadow: 0 0 14px rgba(168, 216, 255, 0.35), inset 0 0 10px rgba(255, 255, 255, 0.08);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  }
  .freezerain-province-cta:hover {
    transform: translateY(calc(-50% - 1px));
    border-color: rgba(216, 236, 255, 0.95);
    box-shadow: 0 0 22px rgba(168, 216, 255, 0.58), inset 0 0 12px rgba(255, 255, 255, 0.12);
  }
  .freezerain-stage-bar {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 25;
    display: none;
    grid-template-columns: repeat(4, minmax(92px, 1fr));
    gap: 6px;
    width: min(520px, calc(100% - 280px));
    min-width: 420px;
    padding: 6px;
    background: rgba(5, 10, 20, 0.82);
    border: 1px solid rgba(168, 216, 255, 0.38);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
  }
  .freezerain-stage-bar.show { display: grid; }
  .freezerain-stage-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 26px;
    color: var(--text-tertiary);
    background: rgba(122, 147, 184, 0.08);
    border: 1px solid rgba(122, 147, 184, 0.18);
    font-size: 11px;
    letter-spacing: 0.8px;
    transition: all 0.22s ease;
  }
  /* V11: 当前激活步加 cyan 呼吸脉冲 + 紫色光晕，让用户清晰感知进度 */
  .freezerain-stage-item.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.88), rgba(0, 212, 255, 0.32));
    border-color: rgba(192, 132, 252, 0.95);
    box-shadow: 0 0 14px rgba(168, 85, 247, 0.45), 0 0 22px rgba(0, 212, 255, 0.18);
    font-weight: 700;
    animation: stage-pulse 1.6s ease-in-out infinite;
  }
  @keyframes stage-pulse {
    0%, 100% { box-shadow: 0 0 14px rgba(168, 85, 247, 0.45), 0 0 22px rgba(0, 212, 255, 0.18); }
    50%      { box-shadow: 0 0 22px rgba(168, 85, 247, 0.7), 0 0 32px rgba(0, 212, 255, 0.32); }
  }
  .freezerain-stage-item.active .freezerain-stage-mark {
    background: var(--accent-cyan);
    color: #001020;
    border-radius: 2px;
    padding: 1px 4px;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
  }
  .freezerain-stage-item.done {
    color: #d8ffe4;
    background: rgba(46, 204, 113, 0.22);
    border-color: rgba(46, 204, 113, 0.72);
  }
  .freezerain-stage-item.done .freezerain-stage-mark {
    color: #2ecc71;
    font-weight: 700;
  }
  .freezerain-stage-mark {
    min-width: 16px;
    text-align: center;
    font-family: "Roboto Mono", monospace;
    font-weight: 700;
  }
  @keyframes bannerSlideIn {
    from { opacity: 0; transform: translate(-50%, -8px); }
    to { opacity: 1; transform: translate(-50%, 0); }
  }
  
  /* ===== 时间轴控制 ===== */
  .timeline-control {
    background: var(--bg-panel-2);
    /* V5.1 任务1: 压缩为底部薄条（64px 行高内） */
    padding: 6px 18px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 14px;
    overflow: hidden;
  }
  .timeline-header {
    display: flex; justify-content: flex-start; align-items: center;
    gap: 10px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .timeline-title { font-size: 11px; color: var(--text-secondary); letter-spacing: 1px; white-space: nowrap; }
  .timeline-title strong { color: var(--accent-cyan); font-weight: 600; }
  
  .timeline-actions { display: flex; gap: 6px; }
  .btn-mini {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 3px 8px;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
  }
  .btn-mini:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); }
  .btn-mini.active { color: var(--accent-cyan); border-color: var(--accent-cyan); background: rgba(0, 212, 255, 0.08); }
  
  /* V5.1: track 高度由 36 -> 28 px，flex 占满剩余空间 */
  .timeline-track { position: relative; height: 28px; flex: 1; min-width: 0; }
  .timeline-bar {
    position: absolute;
    top: 50%; left: 0; right: 0;
    height: 4px;
    transform: translateY(-50%);
    background: linear-gradient(90deg, 
      var(--risk-green) 0%, var(--risk-green) 14%,
      var(--risk-yellow) 14%, var(--risk-yellow) 28%,
      var(--risk-orange) 28%, var(--risk-orange) 56%,
      var(--risk-red) 56%, var(--risk-red) 84%,
      var(--risk-deep-red) 84%, var(--risk-deep-red) 100%);
  }
  .timeline-handle {
    position: absolute;
    top: 50%;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 0 0 3px var(--accent-cyan), 0 0 14px var(--accent-cyan);
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
  }
  .timeline-marks {
    position: absolute; top: 0; left: 0; right: 0; height: 100%;
    display: flex; justify-content: space-between;
    font-size: 10px; color: var(--text-tertiary);
    pointer-events: none;
    overflow: visible;
  }
  .timeline-mark {
    flex: 1; text-align: center; position: relative;
    pointer-events: auto; cursor: pointer;
    overflow: visible;
  }
  .timeline-mark::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 1px; height: 6px;
    background: var(--text-tertiary);
    transform: translate(-50%, -50%);
  }
  .timeline-mark span { display: block; margin-top: 14px; line-height: 1.0; font-size: 11px; white-space: nowrap; }
  .timeline-mark.active span { color: var(--accent-cyan); font-weight: 600; }
  
  /* ===== 受影响清单 ===== */
  .impact-list {
    background: var(--bg-panel-2);
    padding: 10px 18px 14px;
    /* V5.2 任务6: 默认露出前两条高风险节点 + 底部展开按钮 */
    max-height: 150px;
    overflow: hidden;
    border-top: 1px solid var(--border);
    transition: max-height 0.3s ease;
  }
  .impact-list.expanded {
    max-height: min(300px, 34vh);
    overflow-y: auto;
    padding-bottom: 18px;
  }
  .impact-list::-webkit-scrollbar { width: 4px; }
  .impact-list::-webkit-scrollbar-track { background: var(--bg-panel); }
  .impact-list::-webkit-scrollbar-thumb { background: var(--border-light); }
  
  .impact-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
  }
  .impact-header:hover .impact-title { color: var(--accent-cyan); }
  .impact-title { font-size: 12px; color: var(--text-secondary); letter-spacing: 1.5px; transition: color 0.2s; }
  .impact-count { font-size: 11px; color: var(--text-tertiary); }
  #impact-rows { margin-top: 8px; }
  .impact-list:not(.expanded) #impact-rows .impact-row:nth-child(n+3) { display: none; }
  .impact-toggle-arrow {
    display: inline-block;
    margin-left: 6px;
    color: var(--text-tertiary);
    transition: transform 0.2s;
    font-size: 10px;
  }
  .impact-list.expanded .impact-toggle-arrow { transform: rotate(180deg); }
  .impact-expand-btn {
    width: 100%;
    margin-top: 6px;
    padding: 6px 10px;
    border: 1px solid var(--border-light);
    background: rgba(0, 212, 255, 0.06);
    color: var(--accent-cyan);
    font-size: 11px;
    letter-spacing: 1px;
    cursor: pointer;
    font-family: inherit;
  }
  .impact-expand-btn:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.12);
  }
  
  .impact-row {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 12px;
    align-items: center;
    padding: 8px 12px;
    margin: 3px 0;
    background: rgba(15, 28, 48, 0.5);
    border-left: 2px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
    font-size: 12px;
    min-height: 34px;
  }
  .impact-row:hover { background: rgba(20, 37, 64, 1); transform: translateX(2px); }
  /* V3.6: 色条从 4px → 2px，底色从纯色块改为极淡渲染（颜色作"渲染"而不是"标注"） */
  .impact-row.risk-red    { border-left-color: var(--risk-red);    background: rgba(231, 76, 60, 0.05); }
  .impact-row.risk-orange { border-left-color: var(--risk-orange); background: rgba(230, 126, 34, 0.05); }
  .impact-row.risk-yellow { border-left-color: var(--risk-yellow); background: rgba(241, 196, 15, 0.04); }
  .impact-row.risk-green  { border-left-color: var(--risk-green);  background: rgba(46, 204, 113, 0.04); }
  
  .impact-tag {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--bg-panel);
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    font-family: "Roboto Mono", monospace;
  }
  .impact-name { color: var(--text-primary); }
  .impact-meta { font-size: 11px; color: var(--text-secondary); }
  .impact-status { font-size: 10px; padding: 2px 8px; font-weight: 600; letter-spacing: 0.5px; }
  .impact-status.red { background: rgba(231, 76, 60, 0.15); color: var(--risk-red); }
  .impact-status.orange { background: rgba(230, 126, 34, 0.15); color: var(--risk-orange); }
  .impact-status.yellow { background: rgba(241, 196, 15, 0.15); color: var(--risk-yellow); }
  .impact-status.green { background: rgba(46, 204, 113, 0.15); color: var(--risk-green); }
  
  /* === V14: AI 识别重点路段行（在 #impact-list 内）=== */
  .impact-row.ai-segment-impact-row {
    grid-template-columns: auto 1fr auto auto auto;
    border-left-width: 3px;
    padding: 9px 12px;
  }
  .impact-row.ai-segment-impact-row .impact-tag {
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.08);
    font-weight: 600;
  }
  .impact-row.ai-segment-impact-row .impact-name {
    font-weight: 600;
    letter-spacing: 0.3px;
  }
  .impact-row.ai-segment-impact-row .impact-meta {
    font-size: 10.5px;
    color: var(--text-tertiary);
  }
  .impact-row.ai-segment-impact-row::after {
    content: '进入孪生 →';
    color: #c084fc;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: transform 0.15s;
  }
  .impact-row.ai-segment-impact-row:hover {
    background: rgba(0, 212, 255, 0.08) !important;
    transform: translateX(2px);
  }
  .impact-row.ai-segment-impact-row:hover::after {
    transform: translateX(3px);
    color: var(--accent-cyan);
  }
  /* AI 路段行选中态（用户已点击进入孪生概览页时，原路段行高亮） */
  .impact-row.ai-segment-impact-row.selected {
    background: rgba(0, 212, 255, 0.13) !important;
    box-shadow: inset 0 0 0 1px rgba(0, 212, 255, 0.4);
    border-left-color: var(--accent-cyan) !important;
  }
  
  /* === V14: 警示点行（点击路段后切换到此视图）=== */
  .impact-row.warning-point-impact-row {
    grid-template-columns: auto 1fr auto auto auto;
    border-left-width: 3px;
    padding: 7px 12px;
    min-height: 30px;
  }
  .impact-row.warning-point-impact-row .impact-tag {
    color: #c084fc;
    background: rgba(168, 85, 247, 0.10);
    font-family: "Roboto Mono", monospace;
    font-weight: 600;
  }
  .impact-row.warning-point-impact-row .impact-meta {
    font-size: 10.5px;
    color: var(--text-tertiary);
  }
  .impact-row.warning-point-impact-row::after {
    content: '→';
    color: var(--accent-cyan);
    font-size: 12px;
    font-weight: 600;
  }
  .impact-row.warning-point-impact-row:hover {
    background: rgba(168, 85, 247, 0.08) !important;
    transform: translateX(2px);
  }
  /* 警示点视图下，标题左侧加"返回路段列表"按钮空间 */
  .impact-back-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: 10.5px;
    padding: 2px 8px;
    margin-right: 8px;
    letter-spacing: 0.3px;
    transition: all 0.15s;
  }
  .impact-back-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
  }
  .impact-list.in-warning-points-view .impact-back-btn { display: inline-block; }
  
  /* ===== 右侧：交互区 + 报告区 ===== */
  .interact-section {
    background: var(--bg-panel-2);
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
  }
  
  .scenario-row-label {
    font-size: 11px; color: var(--text-secondary); letter-spacing: 1.5px;
    margin-bottom: 8px;
  }
  .scenario-row-label strong { color: var(--accent-cyan); }
  .scenario-row-label .deep-tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.12);
    color: var(--accent-cyan);
    padding: 1px 6px;
    font-size: 11px;
    margin-left: 6px;
    letter-spacing: 0.5px;
  }
  
  .scenario-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    margin-bottom: 12px;
  }
  /* 业务场景类别按钮 */
  .biz-cat-btn {
    background: var(--bg-panel-2);
    border: 1px solid var(--border-light);
    color: var(--text-tertiary);
    padding: 5px 9px;
    font-size: 10.5px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
    white-space: nowrap;
  }
  .biz-cat-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
  }
  .biz-cat-btn.active {
    background: rgba(0, 212, 255, 0.12);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    font-weight: 600;
  }
  /* V3.7: 仅极端天气可演示，其它类显式 disabled 态 */
  .biz-cat-btn.disabled {
    opacity: 0.68;
    cursor: not-allowed;
    color: #6f86a8;
    border-color: #2a4168;
  }
  .biz-cat-btn.disabled:hover {
    color: #6f86a8;
    border-color: #2a4168;
    background: var(--bg-panel-2);
  }
  .biz-cat-disabled-note {
    font-size: 10px;
    color: #6f86a8;
    margin-left: 6px;
    letter-spacing: 0.3px;
    font-style: italic;
  }
  
  .scene-btn {
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 8px 4px;
    font-size: 11px;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    font-family: inherit;
    line-height: 1.4;
    position: relative;
  }
  .scene-btn:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); }
  .scene-btn.active {
    background: rgba(0, 212, 255, 0.08);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
  }
  .scene-btn .scene-icon {
    font-size: 18px;
    display: block;
    margin-bottom: 2px;
  }
  .scene-btn.deep::before {
    content: '';
    position: absolute;
    top: 4px; right: 4px;
    width: 6px; height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
  }
  /* V11 #2.7: 已就绪场景的视觉强化（绿色"已就绪"小点 + 微 glow） */
  .scene-btn.scene-ready {
    box-shadow: 0 0 12px rgba(46, 204, 113, 0.18);
    border-color: rgba(46, 204, 113, 0.55);
  }
  .scene-btn.scene-ready.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.10) 0%, rgba(46, 204, 113, 0.10) 100%);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.25), 0 0 0 1px rgba(46, 204, 113, 0.4);
  }
  .scene-btn.scene-ready .scene-ready-mark {
    position: absolute;
    bottom: 3px; left: 4px;
    color: var(--risk-green);
    font-size: 10px;
    line-height: 1;
    text-shadow: 0 0 4px rgba(46, 204, 113, 0.7);
    animation: scene-ready-blink 2.4s ease-in-out infinite;
  }
  @keyframes scene-ready-blink {
    0%, 100% { opacity: 0.85; }
    50%      { opacity: 0.45; }
  }
  
  .nl-input-wrap { display: flex; gap: 8px; }
  .nl-input {
    flex: 1;
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: 9px 12px;
    font-size: 12px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
  }
  .nl-input:focus { border-color: var(--accent-cyan); }
  .nl-input::placeholder { color: var(--text-tertiary); }
  .nl-submit {
    background: var(--accent-cyan);
    color: #001a26;
    border: none;
    padding: 9px 18px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 1px;
    font-family: inherit;
    transition: all 0.15s;
  }
  .nl-submit:hover { background: #00b8e0; }
  
  /* V4.9 任务2: 提示词芯片（建议提问）*/
  .nl-prompt-chip {
    background: rgba(20, 37, 64, 0.6);
    border: 1px solid rgba(122, 147, 184, 0.35);
    color: var(--text-secondary);
    padding: 5px 10px;
    font-size: 10.5px;
    cursor: pointer;
    letter-spacing: 0.3px;
    font-family: inherit;
    transition: all 0.18s;
    line-height: 1.3;
  }
  .nl-prompt-chip:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: translateY(-1px);
  }
  .nl-prompt-chip-hot {
    background: linear-gradient(135deg, rgba(180, 210, 240, 0.18) 0%, rgba(0, 212, 255, 0.12) 100%);
    border-color: #b4d2f0;
    color: #b4d2f0;
    font-weight: 600;
    animation: chip-pulse 2.6s ease-in-out infinite;
  }
  @keyframes chip-pulse {
    0%, 100% {
      box-shadow: 0 0 0 0 rgba(180, 210, 240, 0.0);
    }
    50% {
      box-shadow: 0 0 12px 1px rgba(180, 210, 240, 0.45);
    }
  }
  .nl-prompt-chip-hot:hover {
    background: linear-gradient(135deg, rgba(180, 210, 240, 0.30) 0%, rgba(0, 212, 255, 0.20) 100%);
  }
  
  /* ===== 报告区 ===== */
  .report-section {
    background: var(--bg-panel);
    overflow-y: auto;
  }
  .report-section::-webkit-scrollbar { width: 4px; }
  .report-section::-webkit-scrollbar-track { background: var(--bg-panel); }
  .report-section::-webkit-scrollbar-thumb { background: var(--border-light); }
  
  .report-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 13px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-panel-2);
    position: sticky; top: 0; z-index: 5;
  }
  .report-title { font-size: 12px; color: var(--text-secondary); letter-spacing: 1.5px; }
  .report-title strong { color: var(--accent-cyan); font-weight: 600; }
  .report-actions { display: flex; gap: 8px; }
  .btn-primary {
    background: var(--accent-amber);
    color: #1a1004;
    border: none;
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.5px;
    font-family: inherit;
    transition: all 0.15s;
  }
  .btn-primary:hover { background: #ffc956; }
  
  .report-body { padding: 18px 20px 30px; }
  
  /* V5.0 任务5: AI 核心结论 3 句话摘要 + 详细简报折叠 */
  .report-tldr {
    margin: 12px 16px 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.06) 0%, rgba(168, 85, 247, 0.04) 100%);
    border: 1px solid rgba(0, 212, 255, 0.32);
    border-left: 3px solid var(--accent-cyan);
    padding: 10px 14px;
    font-size: 11.5px;
    line-height: 1.65;
  }
  .report-tldr-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
  }
  .report-tldr-tag {
    color: var(--accent-cyan);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
  }
  .report-tldr-time {
    color: var(--text-tertiary);
    font-size: 10.5px;
    font-family: "Roboto Mono", monospace;
  }
  .report-tldr-bullets { color: var(--text-secondary); }
  .report-tldr-bullet { margin: 4px 0; padding-left: 4px; }
  .report-tldr-toggle {
    margin-top: 10px;
    width: 100%;
    background: transparent;
    border: 1px dashed rgba(122, 147, 184, 0.5);
    color: var(--text-secondary);
    padding: 8px 10px;
    font-size: 11.5px;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.5px;
    transition: all 0.18s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }
  .report-tldr-toggle:hover {
    border-style: solid;
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.04);
  }
  .report-tldr-toggle .toggle-meta {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 0.3px;
  }
  
  /* V3.7 报告区底部"AI 推荐 → 进入预演沙盘" CTA 卡片（消化空白 + 强化产品叙事链） */
  .report-sandbox-cta {
    margin-top: 14px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.10) 0%, rgba(46, 204, 113, 0.06) 100%);
    border: 1px solid rgba(168, 85, 247, 0.4);
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }
  /* V11 #3.1: 进度条第 4 步推进时，CTA 卡片高亮闪烁，建立"步骤 ④ 输出 = 方案 C"视觉直觉 */
  .report-sandbox-cta.flash-attention {
    animation: ctaFlashAttention 800ms ease-in-out 3;
  }
  @keyframes ctaFlashAttention {
    0%, 100% {
      box-shadow: 0 0 0 0 rgba(168, 85, 247, 0);
      border-color: rgba(168, 85, 247, 0.4);
    }
    50% {
      box-shadow: 0 0 24px rgba(168, 85, 247, 0.6), 0 0 40px rgba(46, 204, 113, 0.3);
      border-color: rgba(168, 85, 247, 1);
    }
  }
  .report-sandbox-cta:hover {
    border-color: #a855f7;
    box-shadow: 0 0 18px rgba(168, 85, 247, 0.35);
    transform: translateY(-1px);
  }
  .report-sandbox-cta::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0; width: 3px;
    background: linear-gradient(180deg, #c084fc 0%, var(--risk-green) 100%);
  }
  .report-sandbox-cta-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
  }
  .report-sandbox-cta-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
  }
  .report-sandbox-cta-title strong {
    color: var(--risk-green);
  }
  .report-sandbox-cta-score {
    font-family: "Roboto Mono", monospace;
    font-size: 13px;
    color: var(--risk-green);
    font-weight: 600;
  }
  .report-sandbox-cta-desc {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 10px;
  }
  .report-sandbox-cta-arrow {
    font-size: 11.5px;
    color: #c084fc;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .report-sandbox-cta-arrow::after {
    content: '→';
    transition: transform 0.2s;
  }
  .report-sandbox-cta:hover .report-sandbox-cta-arrow::after {
    transform: translateX(4px);
  }
  
  .report-body.report-body-collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }
  .report-body:not(.report-body-collapsed) {
    max-height: 9999px;
    transition: max-height 0.5s ease;
  }
  
  /* 多智能体协作流 */
  .agent-flow {
    background: var(--bg-panel-2);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px 0;
    position: sticky; top: 47px; z-index: 4;
  }
  .agent-flow-label {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 4px;
  }
  .agent-flow-label strong {
    color: var(--accent-cyan);
    font-weight: 600;
  }
  .agent-flow-svg {
    width: 100%;
    height: 56px;
    display: block;
  }
  
  .ai-tag {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-cyan), #0099ff);
    color: #001a26;
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
  }
  
  .report-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-cyan);
    margin: 18px 0 10px;
    letter-spacing: 1px;
    border-left: 3px solid var(--accent-cyan);
    padding-left: 10px;
  }
  .report-section-title:first-of-type { margin-top: 0; }
  
  .report-text {
    font-size: 12.5px;
    line-height: 1.75;
    color: #c5d3e8;
    margin-bottom: 10px;
    text-indent: 2em;
  }
  .report-text strong { color: var(--accent-amber); font-weight: 600; }
  .report-text .red-key { color: var(--risk-red); font-weight: 600; }
  
  .report-bullet {
    font-size: 12.5px;
    line-height: 1.7;
    color: #c5d3e8;
    margin: 6px 0 6px 16px;
    padding-left: 12px;
    border-left: 1px solid var(--border-light);
  }
  .report-bullet strong { color: var(--text-primary); font-weight: 600; }
  
  .key-table {
    width: 100%;
    margin: 12px 0;
    border-collapse: collapse;
    font-size: 11.5px;
  }
  .key-table th {
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent-cyan);
    padding: 8px 10px;
    text-align: left;
    border: 1px solid var(--border);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.5px;
  }
  .key-table td {
    padding: 7px 10px;
    border: 1px solid var(--border);
    color: #c5d3e8;
  }
  .key-table tr:nth-child(even) td { background: rgba(15, 28, 48, 0.4); }
  
  .action-card {
    background: rgba(15, 28, 48, 0.6);
    border-left: 3px solid var(--accent-amber);
    padding: 10px 14px;
    margin: 8px 0;
    font-size: 12px;
  }
  .action-card .action-title {
    color: var(--accent-amber);
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
  }
  .action-card .action-desc { color: #c5d3e8; line-height: 1.6; }
  
  /* ===== 推演中遮罩 ===== */
  .running-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5, 10, 20, 0.6);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center; justify-content: center;
    flex-direction: column;
    gap: 16px;
    z-index: 50;
  }
  .running-overlay.show { display: flex; }
  .running-overlay .spinner {
    width: 40px; height: 40px;
    border: 2px solid var(--border-light);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  .running-overlay .running-text {
    font-size: 13px;
    color: var(--accent-cyan);
    letter-spacing: 2px;
  }
  
  /* ===== 节点下钻抽屉 ===== */
  .node-drawer {
    position: absolute;
    top: 0; right: 0;
    width: 0;
    height: 100%;
    background: var(--bg-panel-2);
    border-left: 1px solid var(--border-light);
    z-index: 200;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.4);
  }
  .node-drawer.show { width: 480px; }
  /* V4.0 路段孪生概览抽屉宽度 720px */
  .node-drawer.show.wide-overview { width: 720px; }
  .node-drawer.show.wide-overview .drawer-inner { width: 720px; padding: 0; }
  .drawer-inner {
    width: 480px;
    height: 100%;
    overflow-y: auto;
    padding: 20px;
  }
  .drawer-inner::-webkit-scrollbar { width: 4px; }
  .drawer-inner::-webkit-scrollbar-thumb { background: var(--border-light); }
  
  .drawer-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
  }
  .drawer-title-block { flex: 1; }
  .drawer-tag {
    display: inline-block;
    background: var(--bg-panel);
    color: var(--accent-cyan);
    padding: 2px 8px;
    font-size: 10px;
    font-family: monospace;
    letter-spacing: 1px;
    margin-bottom: 6px;
  }
  .drawer-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }
  .drawer-subtitle { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
  .drawer-close {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    width: 28px; height: 28px;
    cursor: pointer;
    font-family: inherit;
    font-size: 16px;
    transition: all 0.15s;
  }
  .drawer-close:hover { color: var(--risk-red); border-color: var(--risk-red); }
  
  .drawer-section { margin-bottom: 18px; }
  .drawer-section-title {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    padding-left: 8px;
    border-left: 2px solid var(--accent-cyan);
  }
  
  /* 摄像头占位 */
  .camera-feed {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(180deg, #0a1828 0%, #050a14 100%);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
  }
  .camera-feed svg { width: 100%; height: 100%; }
  .camera-overlay-tl {
    position: absolute; top: 8px; left: 8px;
    font-family: monospace; font-size: 10px;
    color: #ff5050; letter-spacing: 1px;
    background: rgba(0,0,0,0.5);
    padding: 2px 6px;
  }
  .camera-overlay-tl::before {
    content: '●'; margin-right: 4px;
    animation: blink 1s ease-in-out infinite;
  }
  .camera-overlay-tr {
    position: absolute; top: 8px; right: 8px;
    font-family: monospace; font-size: 10px;
    color: var(--text-secondary);
    background: rgba(0,0,0,0.5);
    padding: 2px 6px;
  }
  .camera-overlay-bl {
    position: absolute; bottom: 8px; left: 8px;
    font-size: 11px; color: var(--accent-amber);
    background: rgba(0,0,0,0.6);
    padding: 4px 8px;
    font-weight: 600;
    letter-spacing: 1px;
  }
  
  /* 时序图 */
  .chart-container {
    background: rgba(5, 10, 20, 0.5);
    border: 1px solid var(--border);
    padding: 12px;
    margin-top: 6px;
  }
  .chart-header {
    display: flex; justify-content: space-between;
    font-size: 11px; color: var(--text-secondary);
    margin-bottom: 8px;
  }
  .chart-current {
    font-size: 18px; font-weight: 600;
    font-family: monospace;
  }
  
  /* 处置建议 */
  .quick-action-list { display: flex; flex-direction: column; gap: 6px; }
  .quick-action-item {
    background: rgba(15, 28, 48, 0.5);
    border-left: 3px solid var(--accent-amber);
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.6;
    color: #c5d3e8;
  }
  .quick-action-item strong { color: var(--accent-amber); }