/* ── 视频混剪视图 ───────────────────
       v2 布局：左侧 panel + 右侧画廊；两列**各自独立滚动**，不带动整页。
       实现方式：.ims-view 自己成为 flex 容器占满 main 高度，内部 .ims-root
       吃掉剩余高，panel / canvas 各自 overflow-y: auto +
       overscroll-behavior: contain（滚到边界不冒泡到外层）。 */
    .ims-view {
      /* 继承基类 .skills-view 的 flex: 1（撑满 main 剩余高度），
         但把 overflow-y: auto 覆盖为 hidden，让内部两列各自滚动 */
      overflow: hidden !important;
      display: flex;
      flex-direction: column;
      padding: 16px 24px 16px;
      box-sizing: border-box;
      min-height: 0;   /* 允许 flex item 比内容小，overflow 才能生效 */
    }
    .ims-view > .skills-view-head,
    .ims-view > details.skills-view-sub {
      flex: 0 0 auto;
    }
    .ims-root {
      display: grid;
      grid-template-columns: 620px minmax(0, 1fr);
      /* 明确 row 只有一行且高度 = root 的 100%，避免 grid 默认 auto rows 让 content 自然撑开
         这是 panel / canvas 的 max-height: 100% 能正确生效的前提 */
      grid-template-rows: minmax(0, 1fr);
      gap: 24px;
      width: 100%;
      /* 关键：flex-basis: 0 而不是 auto。auto 会让 flex item 按 content 自然高撑开，
         导致 ims-view overflow: hidden 把超出部分裁掉且 panel 无法滚动。
         用 0 让 flex-grow 完全接管高度分配 */
      flex: 1 1 0;
      min-height: 0;
      min-width: 0;
    }
    @media (max-width: 1400px) {
      .ims-root { grid-template-columns: 520px minmax(0, 1fr); }
    }
    @media (max-width: 1200px) {
      .ims-root { grid-template-columns: 460px minmax(0, 1fr); }
    }
    /* 关键简化：.ims-panel 不再套一层“视觉卡片 + 滚动容器”，
       它现在只是布局壳。真正的滚动放到内部唯一那张 .ims-card 的 body 上。 */
    .ims-panel {
      display: block;
      min-width: 0;
      min-height: 0;
      height: 100%;
      overflow: hidden;
    }
    .ims-panel > .ims-card {
      display: flex;
      flex-direction: column;
      height: 100%;
      overflow: hidden;
    }
    .ims-panel > .ims-card > .ims-card-body {
      flex: 1 1 auto;
      min-height: 0;
      overflow-y: auto;
      overscroll-behavior: contain;
      padding-bottom: 28px; /* 最后一项和提交按钮留呼吸空间 */
    }
    .ims-canvas {
      display: flex;
      flex-direction: column;
      gap: 12px;
      min-height: 0;
      height: 100%;
      overflow-y: auto;
      overscroll-behavior: contain;
      padding-bottom: 24px;
    }
    /* 让任务区 / 提交表单区 的 scrollbar 更显眼，避免用户以为"内容没了" */
    .ims-panel > .ims-card > .ims-card-body::-webkit-scrollbar,
    .ims-canvas::-webkit-scrollbar { width: 10px; }
    .ims-panel > .ims-card > .ims-card-body::-webkit-scrollbar-thumb,
    .ims-canvas::-webkit-scrollbar-thumb {
      background: rgba(15, 15, 19, 0.28);
      border-radius: 6px;
      border: 2px solid var(--panel);
      background-clip: padding-box;
    }
    .ims-panel > .ims-card > .ims-card-body:hover::-webkit-scrollbar-thumb,
    .ims-canvas:hover::-webkit-scrollbar-thumb {
      background: rgba(15, 15, 19, 0.45);
      background-clip: padding-box;
    }
    [data-theme="dark"] .ims-panel > .ims-card > .ims-card-body::-webkit-scrollbar-thumb,
    [data-theme="dark"] .ims-canvas::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.28);
      background-clip: padding-box;
    }
    [data-theme="dark"] .ims-panel > .ims-card > .ims-card-body:hover::-webkit-scrollbar-thumb,
    [data-theme="dark"] .ims-canvas:hover::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.45);
      background-clip: padding-box;
    }
    .ims-canvas-head {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 2px 4px 10px;
      border-bottom: 1px solid var(--border);
      background: var(--bg);
      position: sticky;
      top: 0;
      z-index: 1;
    }
    .ims-canvas-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
    .ims-canvas-meta { font-size: 11.5px; color: var(--fg-muted); }
    @media (max-width: 960px) {
      /* 窄屏退回单列 + 整页滚动（不强制双列独立滚动，小屏体验更好） */
      .ims-view { overflow: auto !important; }
      .ims-root { grid-template-columns: 1fr; }
      .ims-panel, .ims-canvas {
        max-height: none;
        overflow: visible;
      }
    }

    /* 兼容保留：旧 .ims-layout / .ims-main 不应再出现，但残留样式保险一份 */
    .ims-layout { display: block; }
    .ims-main   { display: block; }
    .ims-card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 14px;
      overflow: hidden;
    }
    .ims-card > summary,
    .ims-card-head {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 18px;
      font-weight: 600;
      list-style: none;
      cursor: default;
    }
    .ims-card > summary {
      cursor: pointer;
      user-select: none;
    }
    .ims-card > summary::-webkit-details-marker { display: none; }
    .ims-card > summary::after {
      content: "▾";
      margin-left: auto;
      color: var(--fg-dim);
      transition: transform 0.15s;
    }
    details.ims-card[open] > summary::after { transform: rotate(180deg); }
    .ims-card-title { display: inline-flex; align-items: center; gap: 10px; }
    .ims-card-icon { font-size: var(--fs-18); }
    .ims-card-head h3 { margin: 0; font-size: var(--fs-15); }
    .ims-card-sub {
      margin-left: auto;
      color: var(--fg-dim);
      font-size: var(--fs-12);
      font-weight: 400;
    }
    .ims-card-body {
      padding: 4px 18px 18px;
      border-top: 1px solid var(--border);
    }
    details.ims-card:not([open]) .ims-card-body { display: none; }

    .ims-config-status {
      margin-left: auto;
      padding: 3px 10px;
      border-radius: 999px;
      font-size: var(--fs-12);
      font-weight: 500;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      color: var(--fg-dim);
    }
    .ims-config-status.ready {
      color: var(--ok, #3a7a3a);
      border-color: rgba(64, 128, 64, 0.35);
      background: rgba(64, 128, 64, 0.08);
    }
    .ims-config-status.warn {
      color: var(--err, #b8521a);
      border-color: rgba(184, 82, 26, 0.35);
      background: rgba(184, 82, 26, 0.08);
    }

    .ims-banner {
      margin: 14px 0;
      padding: 10px 14px;
      background: rgba(184, 82, 26, 0.08);
      border: 1px solid rgba(184, 82, 26, 0.35);
      color: var(--err, #b8521a);
      border-radius: 10px;
      font-size: var(--fs-13);
      line-height: 1.6;
      white-space: pre-wrap;
    }

    .ims-form-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px 16px;
      margin-top: 14px;
    }
    .ims-form-grid label,
    .ims-block-label {
      display: flex;
      flex-direction: column;
      gap: 6px;
      font-size: var(--fs-13);
      color: var(--fg-dim);
    }
    .ims-block-label { margin-top: 14px; }
    .ims-inline-check {
      flex-direction: row !important;
      align-items: center !important;
      gap: 8px !important;
      font-size: var(--fs-13) !important;
      color: var(--fg) !important;
      padding: 8px 12px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 8px;
      cursor: pointer;
      user-select: none;
      min-height: 38px;
    }
    .ims-inline-check:hover { border-color: var(--accent, var(--brand-deep)); }
    .ims-inline-check input[type="checkbox"] {
      margin: 0;
      padding: 0;
      width: 14px;
      height: 14px;
      background: transparent;
      border: 0;
      cursor: pointer;
      flex: 0 0 auto;
    }
    .ims-form-grid input,
    .ims-form-grid select,
    .ims-form-grid textarea,
    .ims-block-label input,
    .ims-block-label select,
    .ims-block-label textarea,
    .ims-advanced textarea {
      padding: 9px 12px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: var(--fs-14);
      color: var(--fg);
      outline: none;
      font-family: inherit;
      transition: border-color 0.15s, box-shadow 0.15s;
    }
    .ims-form-grid textarea,
    .ims-block-label textarea,
    .ims-advanced textarea {
      font-family: ui-monospace, "SF Mono", Consolas, monospace;
      font-size: var(--fs-13);
      resize: vertical;
      min-height: 64px;
    }
    .ims-form-grid input:focus,
    .ims-form-grid select:focus,
    .ims-form-grid textarea:focus,
    .ims-block-label input:focus,
    .ims-block-label textarea:focus,
    .ims-advanced textarea:focus {
      border-color: var(--brand-deep);
      box-shadow: 0 0 0 3px rgba(0,0,0,0.10);
    }

    .ims-form-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 16px;
      flex-wrap: wrap;
    }
    .ims-form-hint {
      color: var(--fg-dim);
      font-size: var(--fs-12);
      flex: 1;
      min-width: 200px;
    }

    .ims-advanced {
      margin-top: 14px;
      border-top: 1px dashed var(--border);
      padding-top: 12px;
    }
    .ims-advanced summary {
      cursor: pointer;
      font-size: var(--fs-13);
      color: var(--fg-dim);
      list-style: none;
      user-select: none;
    }
    .ims-advanced summary::before {
      content: "▸ ";
      display: inline-block;
      transition: transform 0.15s;
    }
    .ims-advanced[open] summary::before { content: "▾ "; }
    .ims-advanced textarea {
      margin-top: 10px;
      width: 100%;
      box-sizing: border-box;
    }

    /* v2：瀑布流，卡片保持原 .ims-job 样式 */
    .ims-jobs {
      display: block;
      column-count: auto;
      column-width: 260px;
      column-gap: 12px;
      padding: 0;
    }
    .ims-jobs .skills-empty {
      column-span: all;
      text-align: center;
      padding: 60px 16px;
      color: var(--fg-muted);
      font-size: 13px;
    }
    .ims-job {
      break-inside: avoid;
      -webkit-column-break-inside: avoid;
      page-break-inside: avoid;
      margin: 0 0 12px;
    }
    .ims-job {
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 10px 12px;
      display: flex;
      flex-direction: column;
      gap: 7px;
      min-width: 0;
    }
    .ims-job-head {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: var(--fs-13);
      flex-wrap: wrap;
      row-gap: 4px;
    }
    .ims-job-id {
      font-family: ui-monospace, "SF Mono", Consolas, monospace;
      font-size: var(--fs-11);
      color: var(--fg-dim);
      cursor: pointer;
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      flex: 1 1 auto;
      min-width: 0;
    }
    .ims-job-id:hover { color: var(--fg); }
    .ims-job-badge {
      padding: 2px 9px;
      border-radius: 999px;
      font-size: var(--fs-12);
      font-weight: 500;
      background: var(--panel);
      border: 1px solid var(--border);
    }
    .ims-job-badge.init,
    .ims-job-badge.processing {
      color: var(--brand-deep);
      background: rgba(0,0,0,0.06);
    }
    .ims-job-badge.finished {
      color: var(--ok, #3a7a3a);
      border-color: rgba(64, 128, 64, 0.35);
      background: rgba(64, 128, 64, 0.08);
    }
    .ims-job-badge.failed,
    .ims-job-badge.error {
      color: var(--err, #b8521a);
      border-color: rgba(184, 82, 26, 0.35);
      background: rgba(184, 82, 26, 0.08);
    }
    .ims-job-title { font-weight: 500; }
    .ims-job-meta {
      color: var(--fg-dim);
      font-size: var(--fs-12);
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .ims-job-actions {
      display: flex;
      gap: 4px;
      margin-left: auto;
      flex: 0 0 auto;
    }
    .ims-job-actions .git-btn {
      padding: 3px 8px;
      font-size: var(--fs-11);
    }
    .ims-job-error {
      color: var(--err, #b8521a);
      font-size: var(--fs-12);
      padding: 6px 10px;
      background: rgba(184, 82, 26, 0.08);
      border-radius: 6px;
    }
    .ims-job-results {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
    }
    .ims-result {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .ims-result-media {
      position: relative;
      display: block;
      background: #000;
      text-decoration: none;
    }
    .ims-result-media img {
      width: 100%;
      aspect-ratio: var(--vid-ratio, 9 / 16);
      object-fit: cover;
      background: #000;
      display: block;
    }
    .ims-result-play {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: rgba(0, 0, 0, 0.45);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      pointer-events: none;
      backdrop-filter: blur(4px);
    }
    .ims-result-foot {
      display: flex;
      gap: 4px;
      padding: 6px;
      font-size: var(--fs-11);
    }
    .ims-result-foot .git-btn {
      flex: 1;
      padding: 3px 6px;
      font-size: var(--fs-11);
      text-align: center;
    }

    /* 混剪模式 Tab 切换 */
    .ims-mode-tabs {
      display: flex;
      gap: 0;
      margin-bottom: 14px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 4px;
    }
    .ims-mode-tab {
      flex: 1;
      background: transparent;
      border: 0;
      color: var(--fg-muted);
      padding: 8px 14px;
      border-radius: 7px;
      cursor: pointer;
      font-size: var(--fs-13);
      transition: background 0.15s, color 0.15s;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      gap: 6px;
    }
    .ims-mode-tab:hover { color: var(--fg); background: var(--hover); }
    .ims-mode-tab.active {
      background: var(--panel);
      color: var(--fg);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
    }
    /* 模式说明：改成 <details> 折叠，默认收起 */
    details.ims-mode-note {
      margin: -4px 0 14px;
      padding: 0;
      background: transparent;
      border-left: none;
      border-radius: 0;
    }
    details.ims-mode-note > summary {
      list-style: none;
      cursor: pointer;
      user-select: none;
      font-size: var(--fs-12);
      color: var(--fg-muted);
      padding: 6px 0;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    details.ims-mode-note > summary::-webkit-details-marker { display: none; }
    details.ims-mode-note > summary::before {
      content: "▸";
      display: inline-block;
      transition: transform 0.15s;
    }
    details.ims-mode-note[open] > summary::before {
      transform: rotate(90deg);
    }
    details.ims-mode-note > summary:hover { color: var(--fg); }
    .ims-mode-note-body {
      font-size: var(--fs-12);
      color: var(--fg-muted);
      margin-top: 6px;
      padding: 8px 12px;
      background: color-mix(in srgb, var(--accent) 5%, transparent);
      border-left: 3px solid var(--accent);
      border-radius: 4px;
      line-height: 1.55;
    }
    .ims-mode-note-body b { color: var(--fg); font-weight: 600; }
    .ims-mode-note-body code {
      background: var(--panel);
      padding: 1px 5px;
      border-radius: 4px;
      font-size: var(--fs-11);
    }
    /* 老写法兼容（万一还有 <div class="ims-mode-note"> 残留） */
    div.ims-mode-note { display: none; }

    /* 视图顶部介绍：改成可折叠 */
    details.skills-view-sub.ims-view-intro {
      margin: -4px 0 12px;
      padding: 0;
    }
    details.skills-view-sub.ims-view-intro > summary {
      list-style: none;
      cursor: pointer;
      user-select: none;
      font-size: var(--fs-12);
      color: var(--fg-muted);
      padding: 6px 0;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    details.skills-view-sub.ims-view-intro > summary::-webkit-details-marker { display: none; }
    details.skills-view-sub.ims-view-intro > summary::before {
      content: "▸";
      transition: transform 0.15s;
    }
    details.skills-view-sub.ims-view-intro[open] > summary::before {
      transform: rotate(90deg);
    }
    details.skills-view-sub.ims-view-intro > summary:hover { color: var(--fg); }
    .ims-view-intro-body {
      margin-top: 6px;
      padding: 10px 14px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: var(--fs-13);
      color: var(--fg-dim);
      line-height: 1.6;
    }

    /* label 里括号的"提示说明"统一缩小一点，避免视觉压力
       （不强改 HTML，只靠字号/颜色弱化，主标题仍清晰） */
    .ims-block-label {
      font-size: var(--fs-12);
      line-height: 1.5;
    }

    .ims-mode-panel { display: none; }
    .ims-mode-panel.active { display: block; }

    /* 带货模式：顶部按钮切组，内容区只展示当前分组设置。 */
    .ims-group-toolbar {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 6px;
    }
    .ims-group-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      flex: 1 1 auto;
      min-width: 0;
    }
    .ims-group-tab {
      appearance: none;
      border: 1px solid var(--border);
      background: var(--panel);
      color: var(--fg-muted);
      border-radius: 999px;
      padding: 7px 14px;
      font-size: var(--fs-13);
      line-height: 1.2;
      cursor: pointer;
      transition: border-color .15s ease, color .15s ease, background .15s ease, box-shadow .15s ease;
    }
    .ims-group-tab:hover {
      color: var(--fg);
      border-color: color-mix(in srgb, var(--fg-muted) 40%, var(--border));
    }
    .ims-group-tab.active {
      color: var(--fg);
      background: color-mix(in srgb, var(--panel) 70%, #ffffff 8%);
      box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--fg-muted) 18%, transparent);
    }
    .ims-group-tab.active[data-accent="0"] {
      border-color: color-mix(in srgb, #8b5cf6 70%, var(--border));
      box-shadow: inset 0 0 0 1px color-mix(in srgb, #8b5cf6 28%, transparent);
      color: #c4b5fd;
    }
    .ims-group-tab.active[data-accent="1"] {
      border-color: color-mix(in srgb, #f59e0b 70%, var(--border));
      box-shadow: inset 0 0 0 1px color-mix(in srgb, #f59e0b 28%, transparent);
      color: #fbbf24;
    }
    .ims-group-tab.active[data-accent="2"] {
      border-color: color-mix(in srgb, #10b981 70%, var(--border));
      box-shadow: inset 0 0 0 1px color-mix(in srgb, #10b981 28%, transparent);
      color: #6ee7b7;
    }
    .ims-group-add-btn {
      flex: 0 0 auto;
      min-width: 36px;
      height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      font-size: 22px;
      line-height: 1;
    }
    .ims-groups {
      margin-top: 10px;
    }
    @media (max-width: 720px) {
      .ims-group-toolbar {
        align-items: stretch;
      }
      .ims-group-add-btn {
        height: auto;
      }
    }
    .ims-group-item {
      display: none;
      position: relative;
      border: 1px solid var(--border);
      border-left: 3px solid var(--fg-dim);
      border-radius: 10px;
      background: var(--bg);
      padding: 12px 14px 10px;
    }
    .ims-group-item.active { display: block; }
    /* 位置色条：片头 / 主体 / 片尾 */
    .ims-group-item[data-accent="0"] { border-left-color: #8b5cf6; }
    .ims-group-item[data-accent="1"] { border-left-color: #f59e0b; }
    .ims-group-item[data-accent="2"] { border-left-color: #10b981; }
    .ims-group-head {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .ims-group-head input[type="text"] {
      flex: 1 1 140px;
      min-width: 0;
      padding: 6px 10px;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 7px;
      font-size: var(--fs-13);
      color: var(--fg);
    }
    .ims-group-head select {
      padding: 6px 8px;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 7px;
      font-size: var(--fs-12);
      color: var(--fg);
    }
    .ims-group-head .ims-group-del {
      margin-left: auto;
      background: transparent;
      border: 0;
      color: var(--fg-muted);
      cursor: pointer;
      font-size: var(--fs-16);
      padding: 2px 8px;
      border-radius: 6px;
    }
    .ims-group-head .ims-group-del:hover {
      background: color-mix(in srgb, #f87171 18%, transparent);
      color: #f87171;
    }
    .ims-group-item textarea {
      width: 100%;
      min-height: 60px;
      padding: 8px 10px;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 7px;
      font-family: ui-monospace, "SF Mono", Consolas, monospace;
      font-size: var(--fs-12);
      color: var(--fg);
      resize: vertical;
      outline: none;
      box-sizing: border-box;
    }
    /* 分组内的上传行：视觉下沉成 textarea 的附属 */
    .ims-group-item .ims-upload-row {
      margin: 6px 0 0;
      padding-top: 6px;
      border-top: 1px dashed var(--border);
      font-size: var(--fs-12);
    }
    .ims-group-item .ims-upload-btn {
      padding: 4px 10px;
      font-size: var(--fs-12);
    }
    .ims-job-badge.script {
      background: color-mix(in srgb, #a78bfa 22%, transparent);
      color: #8b5cf6;
    }
    .ims-job-badge.highlights {
      background: color-mix(in srgb, #f59e0b 22%, transparent);
      color: #d97706;
    }
    .ims-job-mode {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: var(--fs-11);
      padding: 2px 8px;
      border-radius: 10px;
      background: var(--bg);
      color: var(--fg-muted);
      border: 1px solid var(--border);
    }

    /* AI 电商图：参考图缩略网格 + 预设 chip */
    .aie-image-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
      gap: 8px;
      margin-top: 8px;
    }
    .aie-image-list:empty { display: none; }
    .aie-image-list-single { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .aie-thumb {
      position: relative;
      aspect-ratio: 1 / 1;
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      background: var(--bg);
    }
    .aie-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .aie-thumb-idx {
      position: absolute;
      top: 4px;
      left: 4px;
      background: rgba(0, 0, 0, 0.55);
      color: #fff;
      font-size: 10.5px;
      padding: 1px 6px;
      border-radius: 999px;
      letter-spacing: 0.3px;
    }
    .aie-thumb-del {
      position: absolute;
      top: 4px;
      right: 4px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(0, 0, 0, 0.55);
      color: #fff;
      border: 0;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      line-height: 1;
    }
    .aie-thumb-del:hover { background: rgba(239, 68, 68, 0.85); }
    .aie-thumb-name {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 2px 6px;
      background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.6) 100%);
      color: #fff;
      font-size: 10.5px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* ── 口播文案库（localStorage 浮层） ─────────────────── */
    .ims-speech-block {
      position: relative;
    }
    .ims-speech-label-row {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
    }
    .ims-speech-label-caption {
      flex: 1 1 200px;
      min-width: 0;
      font-size: var(--fs-13);
      color: var(--fg-dim);
      line-height: 1.45;
    }
    .ims-speech-lib-toggle {
      flex: 0 0 auto;
      font-size: var(--fs-13);
      padding: 6px 12px;
      white-space: nowrap;
    }
    .ims-speech-lib-popover {
      position: absolute;
      right: 0;
      top: calc(100% - 4px);
      z-index: 10050;
      width: min(340px, calc(100vw - 32px));
      max-height: min(420px, 70vh);
      display: flex;
      flex-direction: column;
      background: #3a3a3a;
      border: 1px solid var(--border);
      border-radius: 10px;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
      overflow: hidden;
    }
    /* 作者样式里 .ims-speech-lib-popover{ display:flex } 会盖掉 UA 对 [hidden] 的 display:none，必须显式配合 */
    .ims-speech-lib-popover[hidden] {
      display: none !important;
    }
    .ims-speech-lib-list {
      flex: 1 1 auto;
      min-height: 0;
      overflow-y: auto;
      overscroll-behavior: contain;
      padding: 8px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .ims-speech-lib-editor {
      flex: 0 1 auto;
      min-height: 0;
      max-height: min(260px, 48vh);
      padding: 10px 12px;
      border-bottom: 1px solid var(--border);
      background: var(--bg-soft);
      display: flex;
      flex-direction: column;
      gap: 8px;
      overflow-x: hidden;
      overflow-y: auto;
    }
    .ims-speech-lib-editor[hidden] {
      display: none !important;
    }
    .ims-speech-lib-editor-title {
      font-size: var(--fs-13);
      font-weight: 600;
      color: var(--fg);
    }
    .ims-speech-lib-field {
      display: flex;
      flex-direction: column;
      gap: 4px;
      font-size: var(--fs-12);
      color: var(--fg-dim);
    }
    .ims-speech-lib-input,
    .ims-speech-lib-textarea {
      padding: 8px 10px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: var(--fs-13);
      color: var(--fg);
      outline: none;
      font-family: inherit;
    }
    .ims-speech-lib-textarea {
      font-family: ui-monospace, "SF Mono", Consolas, monospace;
      font-size: var(--fs-12);
      resize: vertical;
      min-height: 64px;
      max-height: 140px;
      flex: 1 1 auto;
    }
    .ims-speech-lib-input:focus,
    .ims-speech-lib-textarea:focus {
      border-color: var(--brand-deep);
      box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08);
    }
    .ims-speech-lib-add-actions {
      display: flex;
      flex-wrap: nowrap;
      align-items: center;
      gap: 8px;
      margin-top: 4px;
      flex: 0 0 auto;
    }
    .ims-speech-lib-add-actions .git-btn {
      flex: 0 0 auto;
    }
    .ims-speech-lib-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 10px 10px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 8px;
      text-align: left;
      cursor: default;
    }
    .ims-speech-lib-card--add {
      cursor: pointer;
      border-style: dashed;
      color: var(--fg-dim);
      font-size: var(--fs-13);
      transition: border-color 0.15s, background 0.15s;
    }
    .ims-speech-lib-card--add:hover {
      border-color: var(--accent, var(--brand-deep));
      background: var(--panel);
      color: var(--fg);
    }
    .ims-speech-lib-card-title {
      flex: 1 1 auto;
      min-width: 0;
      font-size: var(--fs-13);
      color: var(--fg);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .ims-speech-lib-card-actions {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .ims-speech-lib-card-actions .git-btn {
      font-size: var(--fs-12);
      padding: 4px 10px;
    }
    .ims-speech-lib-icon-btn {
      min-width: 36px;
      padding: 4px 8px !important;
    }
    .ims-speech-lib-preview {
      display: none;
    }
    /* 文案预览模态框 */
    .ims-speech-preview-overlay {
      position: fixed;
      inset: 0;
      z-index: 10060;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 0, 0, 0.55);
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      padding: 20px;
    }
    .ims-speech-preview-overlay[hidden] {
      display: none !important;
    }
    .ims-speech-preview-modal {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 12px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
      width: 100%;
      max-width: 480px;
      max-height: 70vh;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .ims-speech-preview-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-bottom: 1px solid var(--border);
      flex: 0 0 auto;
    }
    .ims-speech-preview-title {
      font-size: var(--fs-14, 14px);
      font-weight: 600;
      color: var(--fg);
    }
    .ims-speech-preview-close {
      background: none;
      border: none;
      cursor: pointer;
      font-size: 20px;
      color: var(--fg-dim);
      line-height: 1;
      padding: 2px 6px;
      border-radius: 4px;
      transition: background 0.15s, color 0.15s;
    }
    .ims-speech-preview-close:hover {
      background: var(--bg-soft);
      color: var(--fg);
    }
    .ims-speech-preview-body {
      flex: 1 1 auto;
      overflow-y: auto;
      padding: 16px;
      font-size: var(--fs-13, 13px);
      color: var(--fg);
      line-height: 1.65;
      white-space: pre-wrap;
      word-break: break-word;
    }