/* ===== 全局重置 & 配色 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #10b981;
            --primary-hover: #059669;
            --primary-light: #d1fae5;
            --text-main: #1f2937;
            --text-secondary: #374151;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --bg-page: #f3f4f6;
            --bg-card: #ffffff;
            --border-color: #e5e7eb;
            --danger: #ef4444;
            --warning: #d97706;
            --info: #3b82f6;
            --wechat: #07c160;
            --leyun: #4f46e5;
            --h5: #f59e0b;
            --radius-btn: 8px;
            --radius-card: 12px;
            --radius-modal: 16px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --font: -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
        }
        html,
        body {
            height: 100%;
            background: var(--bg-page);
            font-family: var(--font);
            color: var(--text-main);
            font-size: 13px;
            overflow: hidden;
        }

        /* ===== 顶部导航 ===== */
        .app-header {
            height: 52px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            padding: 0 16px;
            flex-shrink: 0;
            gap: 12px;
            flex-wrap: nowrap;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            z-index: 10;
        }
        .app-header .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .app-header .logo small {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .header-actions {
            display: flex;
            gap: 6px;
            flex-shrink: 0;
            margin-left: auto;
        }
        .header-actions .btn {
            padding: 5px 14px;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            background: var(--primary);
            color: #fff;
            transition: background 0.2s;
        }
        .header-actions .btn:hover {
            background: var(--primary-hover);
        }
        .header-actions .btn-outline {
            background: transparent;
            color: var(--text-muted);
            border: 1.5px solid var(--border-color);
        }
        .header-actions .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .header-actions .btn-wechat {
            background: var(--wechat);
        }
        .header-actions .btn-wechat:hover {
            background: #06ad56;
        }
        .header-actions .btn-sync {
            background: #f97316;
        }
        .header-actions .btn-sync:hover {
            background: #ea580c;
        }

        /* ===== 公众号同步模态框（从 editor.css 提取，与 index.html 一致） ===== */
        #syncModal { position: fixed; top:0; left:0; right:0; bottom:0; z-index:9999; display:flex; align-items:center; justify-content:center; }
        .sync-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.5); z-index:1000; }
        .sync-dialog { position:relative; background:#fff; border-radius:16px; width:520px; max-width:90vw; max-height:85vh; overflow-y:auto; box-shadow:0 20px 60px rgba(0,0,0,0.15); animation:syncIn 0.25s ease; z-index:1001; }
        @keyframes syncIn { from { opacity:0; transform:scale(0.95) translateY(10px); } to { opacity:1; transform:scale(1) translateY(0); } }
        /* 分割线动画已改为 SVG(SMIL) 内嵌实现（见 buildDividerHTML），CSS @keyframes 会被公众号剥离，故移除旧的 dvr* 关键帧 */
        .sync-header { display:flex; align-items:center; justify-content:space-between; padding:20px 24px 16px; border-bottom:1px solid #e8ecf0; }
        .sync-header h3 { margin:0; font-size:16px; color:#1a1a2e; }
        .sync-close { background:none; border:none; font-size:18px; color:#8a8f99; cursor:pointer; padding:4px 8px; border-radius:6px; }
        .sync-close:hover { background:#f1f5f9; }
        .sync-body { padding:20px 24px; }
        .sync-field { margin-bottom:16px; }
        .sync-field label { display:block; font-size:13px; font-weight:500; color:#475569; margin-bottom:6px; }
        .sync-footer { display:flex; justify-content:flex-end; gap:12px; padding:16px 24px; border-top:1px solid #e8ecf0; }
        .btn-sync-cancel { padding:8px 20px; background:#f1f5f9; border:1px solid #e2e8f0; border-radius:8px; font-size:14px; color:#475569; cursor:pointer; }
        .btn-sync-submit { padding:8px 20px; background:#ff6b35; border:none; border-radius:8px; font-size:14px; color:#fff; font-weight:500; cursor:pointer; }
        .btn-sync-submit:hover { background:#e55a2b; }
        .btn-sync-submit:disabled { opacity:0.6; cursor:not-allowed; }

        /* ===== 主体 ===== */
        .app-body {
            display: flex;
            height: calc(100vh - 52px - 56px); /* 52px 应用头部 + 56px 系统头部 */
            overflow: hidden;
        }
        /* 系统左侧菜单容器 */
        #left-menu-container {
            width: 200px;
            height: 100%;
            flex-shrink: 0;
            background: #fff;
            border-right: 1px solid var(--border-color);
        }
        /* 系统底部菜单容器（编辑器模式下隐藏，避免占用空间） */
        #footer-menu-container {
            display: none;
        }

        /* ===== 左侧面板 ===== */
        .app-sidebar {
            width: 360px;
            min-width: 280px;
            max-width: 480px;
            background: var(--bg-card);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            flex-shrink: 0;
        }
        /* 导入区（显眼） */
        /* ===== 图层属性面板（对齐SVG特效生成器） ===== */
        .layer-prop-box {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0,0,0,0.04);
        }
        .layer-prop-box .lp-header {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 9px 12px;
            background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
            border-bottom: 1px solid #e2e8f0;
            cursor: pointer;
            user-select: none;
            font-size: 13px;
            font-weight: 600;
            color: #166534;
        }
        .layer-prop-box .lp-header .lp-sub {
            flex: 1;
            text-align: right;
            font-weight: 400;
            font-size: 11px;
            color: #4d7c0f;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .layer-prop-box .lp-header .lp-arrow {
            font-size: 10px;
            transition: transform 0.2s;
        }
        .layer-prop-box.open .lp-header .lp-arrow { transform: rotate(180deg); }
        .layer-prop-box .lp-body {
            display: none;
            padding: 10px 12px;
            max-height: 62vh;
            overflow-y: auto;
        }
        .layer-prop-box.open .lp-body { display: block; }
        .layer-prop-box .lp-empty {
            font-size: 12px;
            color: #94a3b8;
            text-align: center;
            padding: 14px 4px;
            line-height: 1.7;
        }
        .layer-prop-box .lp-row {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 7px;
        }
        .layer-prop-box .lp-row > label {
            flex: 0 0 58px;
            font-size: 11px;
            color: #64748b;
            text-align: justify;
            text-align-last: justify;
        }
        .layer-prop-box .lp-row > .lp-ctrl {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 4px;
            min-width: 0;
        }
        .layer-prop-box .lp-row input[type="text"],
        .layer-prop-box .lp-row input[type="number"],
        .layer-prop-box .lp-row select,
        .layer-prop-box .lp-row textarea {
            flex: 1;
            min-width: 0;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            padding: 4px 6px;
            font-size: 12px;
            color: #1e293b;
            background: #f8fafc;
        }
        .layer-prop-box .lp-row input[type="color"],
        .layer-prop-box input[type="color"] {
            width: 24px !important;
            height: 30px !important;
            min-width: 24px !important;
            max-width: 24px !important;
            padding: 1px !important;
            border: 1px solid #e2e8f0 !important;
            border-radius: 5px;
            background: #f8fafc;
            cursor: pointer;
            vertical-align: middle;
            box-sizing: border-box !important;
        }
        .layer-prop-box .lp-btn {
            border: 1px solid #e2e8f0;
            background: #f8fafc;
            border-radius: 6px;
            padding: 4px 8px;
            font-size: 11px;
            color: #334155;
            cursor: pointer;
            white-space: nowrap;
        }
        .layer-prop-box .lp-btn:hover { background: #f1f5f9; border-color: #cbd5e1; }
        .layer-prop-box .lp-btn.lp-btn-green { background: #dcfce7; border-color: #86efac; color: #166534; }
        .layer-prop-box .lp-btn.lp-btn-green:hover { background: #bbf7d0; }
        .layer-prop-box .lp-sec {
            font-size: 11px;
            font-weight: 700;
            color: #166534;
            margin: 10px 0 6px;
            padding-left: 2px;
            border-left: 3px solid #4ade80;
            padding-left: 6px;
        }
        .layer-prop-box .lp-hint {
            font-size: 10px;
            color: #94a3b8;
            line-height: 1.6;
            margin-top: 8px;
            padding-top: 6px;
            border-top: 1px dashed #e2e8f0;
        }
        .layer-prop-box .lp-imglist {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .layer-prop-box .lp-imglist .lp-img-row {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .layer-prop-box .lp-imglist .lp-img-tag {
            flex: 0 0 auto;
            font-size: 10px;
            color: #64748b;
            background: #f1f5f9;
            border-radius: 4px;
            padding: 3px 6px;
            white-space: nowrap;
        }
        .layer-prop-box .lp-imglist input {
            flex: 1;
            min-width: 0;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            padding: 3px 6px;
            font-size: 11px;
            color: #1e293b;
            background: #f8fafc;
        }
        .layer-prop-box .lp-imglist .lp-img-prev {
            width: 34px;
            height: 26px;
            border-radius: 4px;
            object-fit: cover;
            border: 1px solid #e2e8f0;
            background: #f1f5f9;
            flex: 0 0 auto;
        }

        .import-section {
            padding: 10px 12px;
            background: var(--primary-light);
            border-bottom: 2px solid var(--primary);
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .import-section .import-row {
            display: flex;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
        }
        .import-section .import-row label {
            font-weight: 600;
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .import-section .import-row input,
        .import-section .import-row textarea {
            flex: 1;
            padding: 4px 8px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            font-size: 12px;
            font-family: inherit;
            background: #fff;
            min-width: 80px;
        }
        .import-section .import-row textarea {
            min-height: 28px;
            resize: vertical;
            max-height: 60px;
        }
        .import-section .import-row .btn-sm {
            padding: 3px 12px;
            font-size: 11px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: background 0.2s;
            white-space: nowrap;
        }
        .import-section .import-row .btn-sm:hover {
            background: var(--primary-hover);
        }
        .import-section .import-row .btn-sm-outline {
            background: transparent;
            color: var(--text-muted);
            border: 1.5px solid var(--border-color);
        }
        .import-section .import-row .btn-sm-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .import-section .import-row .btn-sm-danger {
            background: var(--danger);
            color: #fff;
        }
        .import-section .import-row .btn-sm-danger:hover {
            background: #dc2626;
        }
        .import-section .file-input-wrap {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-wrap: wrap;
        }
        .import-section .file-input-wrap input[type="file"] {
            display: none;
        }
        .import-section .file-input-wrap .upload-label {
            background: var(--bg-card);
            border: 1px dashed var(--primary);
            padding: 2px 10px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-size: 12px;
            color: var(--primary);
            transition: background 0.2s;
        }
        .import-section .file-input-wrap .upload-label:hover {
            background: var(--primary-light);
        }
        .import-section .image-preview {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            max-height: 60px;
            overflow-y: auto;
            padding: 2px 0;
        }
        .import-section .image-preview .thumb {
            width: 40px;
            height: 40px;
            object-fit: cover;
            border-radius: 4px;
            border: 1px solid var(--border-color);
        }
        /* 醒目操作按钮：上传 / 添加 / 排版 */
        .import-section .import-row-actions {
            display: flex;
            gap: 8px;
            align-items: stretch;
            flex-wrap: wrap;
        }
        .import-section .import-row-actions > * {
            flex: 1;
            min-width: 90px;
        }
        .import-section .btn-prominent {
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 700;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.2s;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .import-section .btn-prominent:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }
        .import-section .btn-prominent.btn-upload {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
        }
        .import-section .btn-prominent.btn-add {
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
        }
        .import-section .btn-prominent.btn-typeset {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            font-size: 14px;
            padding: 10px 18px;
        }
        .import-section .btn-prominent.btn-clear {
            background: #fff;
            color: var(--text-muted);
            border: 1.5px solid var(--border-color);
            box-shadow: none;
            flex: 0 0 auto;
            min-width: 70px;
            padding: 8px 14px;
        }
        .import-section .btn-prominent.btn-clear:hover {
            border-color: var(--danger);
            color: var(--danger);
        }
        .import-section .btn-prominent.btn-smart {
            background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
        }
        .import-section .btn-prominent.btn-ai {
            background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
        }
        .import-section .btn-prominent.btn-ai:hover {
            background: linear-gradient(135deg, #db2777 0%, #e11d48 100%);
        }
        .import-section .btn-prominent:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }
        .import-section .smart-auto-row {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
            cursor: pointer;
            padding: 3px 4px;
            line-height: 1.4;
            user-select: none;
        }
        .import-section .smart-auto-row input[type="checkbox"] {
            width: auto;
            margin: 0;
            flex-shrink: 0;
            cursor: pointer;
        }
        .import-section .upload-label-prominent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: #f0f4ff;
            border: 1.5px solid #c5d5f7;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
            color: #4a6bb5;
            transition: all 0.15s;
            letter-spacing: 0.3px;
        }
        .import-section .upload-label-prominent:hover {
            background: #e4ecff;
            border-color: #8ba8e8;
            color: #3655a8;
        }

        .sidebar-scroll {
            flex: 1;
            overflow-y: auto;
            padding: 8px 12px 12px 12px;
        }
        .sidebar-scroll::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-scroll::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }

        /* ===== 插件折叠面板 ===== */
        .plugin-group {
            margin-bottom: 8px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            background: var(--bg-card);
            overflow: visible;  /* 允许展开时标题 sticky 吸顶（折叠用 display:none，无需裁剪） */
            transition: border-color 0.2s;
        }
        .plugin-group:hover {
            border-color: var(--primary);
        }
        .plugin-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 14px;
            cursor: pointer;
            user-select: none;
            transition: background 0.2s;
            font-weight: 600;
            font-size: 13px;
            color: var(--text-main);
            background: var(--bg-card);
            border-radius: var(--radius-card);
        }
        /* 展开状态下：标题吸顶固定，随内容上下滚动位置不变 */
        .plugin-group.expanded .plugin-header {
            position: sticky;
            top: 0;
            z-index: 6;
            border-bottom: 1px solid var(--border-color);
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
        }
        .plugin-header:hover {
            background: var(--primary-light);
        }
        .plugin-header .icon {
            font-size: 16px;
            margin-right: 8px;
        }
        .plugin-header .title {
            flex: 1;
        }
        .plugin-header .arrow {
            font-size: 12px;
            color: var(--text-light);
            transition: transform 0.2s;
        }
        .plugin-header .arrow.open {
            transform: rotate(180deg);
        }
        .plugin-body {
            padding: 10px 14px 14px 14px;
            border-top: 1px solid var(--border-color);
            display: none;
            background: var(--bg-page);
        }
        .plugin-body.open {
            display: block;
        }

        /* ===== 表单 ===== */
        .form-group {
            margin-bottom: 10px;
        }
        .form-group label {
            display: block;
            font-size: 11.5px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 2px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 5px 9px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            font-size: 12px;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }
        .form-group textarea {
            min-height: 44px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 80px;
        }
        .btn-sm {
            padding: 3px 12px;
            font-size: 11px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-weight: 600;
            transition: all 0.2s;
            background: var(--primary);
            color: #fff;
        }
        .btn-sm:hover {
            background: var(--primary-hover);
        }
        .btn-sm-outline {
            background: transparent;
            color: var(--text-muted);
            border: 1.5px solid var(--border-color);
        }
        .btn-sm-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-sm.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-sm-danger {
            background: var(--danger);
            color: #fff;
        }
        .btn-sm-danger:hover {
            background: #dc2626;
        }
        .btn-block {
            width: 100%;
            padding: 7px 0;
            font-size: 13px;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            background: var(--primary);
            color: #fff;
            transition: background 0.2s;
            margin-top: 4px;
        }
        .btn-block:hover {
            background: var(--primary-hover);
        }
        .btn-block-secondary {
            background: var(--border-color);
            color: var(--text-main);
        }
        .btn-block-secondary:hover {
            background: #d1d5db;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .flex-gap {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
        }
        .tag-group .tag-btn {
            padding: 2px 10px;
            border: 1.5px solid var(--border-color);
            border-radius: 14px;
            font-size: 10.5px;
            cursor: pointer;
            background: #fff;
            transition: all 0.2s;
            color: var(--text-muted);
        }
        .tag-group .tag-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .tag-group .tag-btn.active {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        /* 段落样式库：网格化精美图标按钮（对标纯净版） */
        #paraStyleGroup {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(68px, 1fr));
            gap: 4px;
        }
        #paraStyleGroup .tag-btn {
            padding: 5px 2px;
            border: 1.5px solid var(--border-color);
            border-radius: 8px;
            font-size: 10px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1px;
            line-height: 1.2;
            background: #fff;
        }
        #paraStyleGroup .tag-btn:hover { border-color: var(--primary); background: var(--primary-light); }
        #paraStyleGroup .tag-btn .ti-icon { font-size: 15px; line-height: 1; }
        #paraStyleGroup .tag-btn .ti-label { font-size: 9.5px; }
        #paraStyleGroup .tag-btn.active { background: var(--primary-light); border-color: var(--primary); color: var(--primary); font-weight: 600; }
        @media (max-width: 480px) { #paraStyleGroup { grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); } }
        .color-dot {
            display: inline-block;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            border: 1px solid rgba(0, 0, 0, 0.08);
            vertical-align: middle;
            margin-right: 4px;
        }
        .upload-area {
            border: 2px dashed var(--border-color);
            border-radius: var(--radius-btn);
            padding: 10px 12px;
            text-align: center;
            color: var(--text-light);
            cursor: pointer;
            font-size: 12px;
            transition: border-color 0.2s;
            background: #fff;
        }
        .upload-area:hover {
            border-color: var(--primary);
        }
        .upload-area.dragover {
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .img-list-mini {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            max-height: 100px;
            overflow-y: auto;
            padding: 4px 0;
        }
        .img-list-mini .img-chip {
            position: relative;
            border: 1.5px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 2px;
            background: #fff;
            width: 60px;
            text-align: center;
        }
        .img-list-mini .img-chip img {
            max-width: 54px;
            max-height: 40px;
            object-fit: cover;
            display: block;
            margin: 0 auto;
        }
        .img-list-mini .img-chip .del {
            position: absolute;
            top: -6px;
            right: -6px;
            background: var(--danger);
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 16px;
            height: 16px;
            font-size: 10px;
            cursor: pointer;
            line-height: 16px;
            text-align: center;
        }
        .img-list-mini .img-chip .del:hover {
            background: #dc2626;
        }
        .img-list-mini .empty {
            color: var(--text-light);
            font-size: 11px;
            padding: 6px 0;
            width: 100%;
            text-align: center;
        }

        /* ===== 中间预览区（纵向文章） ===== */
        .app-preview {
            flex: 1;
            background: var(--bg-page);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            min-width: 200px;
        }
        .preview-toolbar {
            padding: 6px 14px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            font-size: 12px;
            color: var(--text-muted);
        }
        .preview-toolbar .dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            margin-right: 4px;
        }
        .preview-toolbar .module-count {
            font-weight: 600;
            color: var(--text-main);
        }
        .preview-scroll {
            flex: 1;
            overflow: auto;
            padding: 16px;
            display: flex;
            flex-direction: column;
            align-items: stretch;
        }
        .preview-scroll .article-container {
            width: 100%;
            max-width: none;
            background: var(--bg-page);
            border-radius: 0;
            padding: 12px;
            box-shadow: none;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        /* ===== 画布左右两栏布局 ===== */
        .preview-grid {
            display: flex;
            gap: 16px;
            width: 100%;
            min-height: 300px;
        }
        .preview-col {
            flex: 1;
            min-width: 0;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }
        .preview-col-title {
            padding: 8px 14px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }
        .preview-col-content {
            flex: 1;
            overflow-y: auto;
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        /* ===== 中栏：图层列表 + 画布（对齐SVG特效生成器工作台，配色 #10b981） ===== */
        .layer-list-bar {
            flex: 0 0 auto;
            max-height: 148px;
            overflow-y: auto;
            padding: 8px 10px;
            border-bottom: 1px solid var(--border-color);
            background: #f8faf9;
        }
        .layer-list-empty {
            font-size: 11px; color: var(--text-light); text-align: center; padding: 6px 0;
        }
        .layer-item-bar {
            display: flex; align-items: center; gap: 8px;
            padding: 6px 10px; margin-bottom: 5px;
            border: 1px solid var(--border-color); border-radius: 8px;
            background: #fff; cursor: pointer; font-size: 12px;
            transition: border-color .15s, background .15s;
        }
        .layer-item-bar:last-child { margin-bottom: 0; }
        .layer-item-bar:hover { background: #f0fdf6; }
        .layer-item-bar.active {
            background: #fff7e6;
            border-color: #f59e0b;
            box-shadow: 0 0 0 2px rgba(245,158,11,0.18);
        }
        .layer-item-bar .lib-name {
            flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
            color: var(--text-primary); font-weight: 600;
        }
        .layer-item-bar.active .lib-name { color: #b45309; }
        .layer-item-bar .lib-btns { display: flex; gap: 4px; flex: 0 0 auto; }
        .layer-item-bar .lib-btn {
            width: 24px; height: 24px; line-height: 22px; padding: 0;
            border: 1px solid var(--border-color); border-radius: 4px; background: #fff;
            color: var(--text-muted); font-size: 12px; cursor: pointer;
        }
        .layer-item-bar .lib-btn:hover { background: #d1fae5; border-color: var(--primary); }
        .layer-item-bar .lib-btn.lib-del { color: #c0392b; border-color: #e4b6af; }
        .layer-item-bar .lib-btn.lib-copy { color: #2563eb; border-color: #b6c8f0; }
        .layer-item-bar .lib-btn:disabled { opacity: 0.25; cursor: not-allowed; }
        .canvas-stage {
            flex: 1;
            overflow: auto;
            padding: 18px;
            background: #eef2f0;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        /* ★ 2026-09-30 画布内容上下自适应居中（滚动安全）：
           用 ::before/::after 两个 flex:1 占位元素均分布局剩余空间 → 内容垂直居中；
           内容高于视口时占位元素被压缩为 0，内容从顶部开始、可正常滚动浏览，
           不会像 margin:auto / justify-content:center 那样把顶部裁掉或产生大空白。
           水平/垂直对齐锚点由 JS 在 .canvas-stage 上加 data-cvanchor 控制（默认 center）。 */
        .canvas-stage::before,
        .canvas-stage::after {
            content: '';
            flex: 1 1 0;
            min-height: 0;
        }
        .canvas-stage[data-cvanchor^="top"]::before { flex: 0 0 0; }
        .canvas-stage[data-cvanchor^="bottom"]::after { flex: 0 0 0; }
        .canvas-stage[data-cvanchor$="left"] { align-items: flex-start; }
        .canvas-stage[data-cvanchor$="right"] { align-items: flex-end; }
        .canvas-stage[data-cvanchor$="center"] { align-items: center; }
        /* ===== 画布背景工具条 ===== */
        .canvas-bg-toolbar {
            flex-shrink: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 6px 10px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            align-items: center;
        }
        .canvas-bg-toolbar .cbg-section { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
        .canvas-bg-toolbar .cbg-label { font-size: 11px; color: var(--text-muted); font-weight: 600; white-space: nowrap; }
        .canvas-bg-toolbar .cbg-content { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
        .canvas-bg-toolbar input[type=text],
        .canvas-bg-toolbar select { padding: 4px 6px; border: 1px solid #e2e8f0; border-radius: 4px; font-size: 11px; background: #fff; }
        .canvas-bg-toolbar .cbg-btn {
            padding: 4px 8px; background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 4px;
            cursor: pointer; font-size: 11px; color: #475569; white-space: nowrap;
            display: inline-flex; align-items: center; gap: 2px;
        }
        .canvas-bg-toolbar .cbg-btn:hover { background: #e2e8f0; }
        .canvas-bg-toolbar .cbg-btn-danger { background: #fef2f2; border-color: #fecaca; color: #ef4444; }
        .canvas-bg-toolbar .cbg-color { width: 28px; height: 24px; border: 1px solid #e2e8f0; border-radius: 4px; cursor: pointer; padding: 0; }
        .canvas-bg-toolbar .cbg-range { width: 60px; cursor: pointer; }
        .canvas-bg-toolbar .cbg-hint { font-size: 11px; color: #8a8f99; white-space: nowrap; }
        /* 画布粒子层（覆盖整篇文章，不拦截交互） */
        .canvas-page { position: relative; }
        .canvas-particle-layer {
            position: absolute; inset: 0; overflow: hidden;
            pointer-events: none; z-index: 3;
        }
        .canvas-particle-layer svg { width: 100%; height: 100%; display: block; }
        /* 整体画布：全部图层无缝拼成一篇完整文章 */
        .canvas-page {
            width: 100%;
            max-width: 460px;
            flex-shrink: 0;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 4px 18px rgba(0,0,0,0.08);
            overflow: hidden;
        }
        .canvas-item {
            position: relative;
            width: 100%;
            background: transparent;
            cursor: pointer;
            transition: background 0.15s;
        }
        .canvas-item:hover { background: rgba(16,185,129,0.04); }
        /* ★ 2026-09-26 点选高亮：琥珀色描边，区别于图层自身配色，大图层一眼可辨 */
        .canvas-item.active { background: rgba(245,158,11,0.06); box-shadow: inset 3px 0 0 #f59e0b; outline: 2px solid #f59e0b; outline-offset: -2px; border-radius: 4px; }
        .canvas-item .layer-type-tag {
            position: absolute; top: 6px; left: 6px; z-index: 5;
            font-size: 10px; padding: 1px 8px; border-radius: 10px;
            background: rgba(16,185,129,0.82); color: #fff; pointer-events: none;
            opacity: 0; transition: opacity 0.15s;
        }
        .canvas-item:hover .layer-type-tag,
        .canvas-item.active .layer-type-tag { opacity: 1; }
        .canvas-item .layer-card-btns {
            position: absolute; top: 6px; right: 6px; z-index: 5;
            display: flex; gap: 4px; opacity: 0; transition: opacity 0.15s;
            pointer-events: none; /* ★ 2026-09-14 容器不挡装饰拖动（opacity:0 仍接收 pointer，曾挡装饰上半部分） */
        }
        .canvas-item:hover .layer-card-btns,
        .canvas-item.active .layer-card-btns { opacity: 1; }
        .canvas-item .layer-card-btns button {
            width: 24px; height: 24px; line-height: 22px; padding: 0;
            border: 1px solid var(--border-color); border-radius: 4px; background: rgba(255,255,255,0.92);
            color: var(--text-muted); font-size: 12px; cursor: pointer;
            pointer-events: auto; /* 仅按钮自身可点，容器仍穿透 */
        }
        .canvas-item .layer-card-btns button.lc-del { color: #c0392b; border-color: #e4b6af; }
        .canvas-item .layer-card-btns button:hover { background: #d1fae5; }
        /* 画布内拖动防干扰：禁文字选择与原生图片拖拽 */
        .canvas-item { -webkit-user-select: none; user-select: none; }
        .canvas-item svg image { -webkit-user-drag: none; }
        .canvas-item svg text:not([data-bg]),
        .canvas-item svg image:not([data-bg]),
        .canvas-item svg g > path { cursor: move; }
        /* ★ 2026-09-14 段落装饰自由拖动（仅画布编辑态生效；m.html 内联样式不带这些规则，导出零影响）：
           装饰块层级提到段落内容之上，g 拖到文字区不被内容盖住；按钮 z-index:5 仍在装饰之上可点 */
        .canvas-item section.para-deco-block { position: relative; z-index: 3; }
        .canvas-item section[data-deco-block] svg g[data-deco-group] { cursor: move; }
        .canvas-stage .empty-tip {
            color: var(--text-light);
            text-align: center;
            padding: 60px 0;
            font-size: 13px;
            width: 100%;
        }
        /* ===== 右栏：实时预览（文章流） ===== */
        .preview-pane {
            flex: 1 1 auto;
            min-height: 160px;
            overflow: auto;
            padding: 10px 12px;
            background: #fff;
        }
        .preview-pane .pv-module {
            border-bottom: 1px dashed var(--border-color);
            padding-bottom: 10px;
            margin-bottom: 10px;
        }
        .preview-pane .pv-module:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
        .preview-pane svg, .preview-pane table, .preview-pane section { max-width: 100%; }
        .preview-pane .empty-tip {
            color: var(--text-light);
            text-align: center;
            padding: 40px 0;
            font-size: 13px;
        }
        .preview-scroll .article-container .empty-tip {
            color: var(--text-light);
            text-align: center;
            padding: 40px 0;
            font-size: 14px;
        }
        .preview-scroll .article-container svg,
        .preview-scroll .article-container table,
        .preview-scroll .article-container section {
            max-width: 100%;
        }

        /* ===== 右侧区：实时预览 + 完整代码（常驻，对齐生成器工作台） ===== */
        .app-code {
            width: 380px;
            min-width: 280px;
            max-width: 480px;
            background: #2d2a24;
            display: flex;
            flex-direction: column;
            border-left: 1px solid var(--border-color);
            flex-shrink: 0;
        }
        .preview-pane-toolbar {
            padding: 6px 14px;
            background: var(--bg-card);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 600;
            border-bottom: 1px solid var(--border-color);
            cursor: pointer;
            user-select: none;
        }
        .preview-pane-toolbar .pv-arrow {
            display: inline-block;
            font-size: 10px;
            transition: transform 0.2s;
        }
        .preview-pane-toolbar.open .pv-arrow { transform: rotate(90deg); }
        .preview-pane { display: none; }        /* 实时预览默认可关，由 .open 控制显隐 */
        .preview-pane.open { display: block; }
        .code-toolbar {
            padding: 6px 14px;
            background: #3a3630;
            color: #d4c8b8;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-shrink: 0;
            font-size: 12px;
            border-bottom: 1px solid #4a4540;
            cursor: pointer;
            user-select: none;
        }
        .code-toolbar .code-arrow {
            display: inline-block;
            font-size: 10px;
            transition: transform 0.2s;
        }
        .code-toolbar.open .code-arrow { transform: rotate(90deg); }
        .code-toolbar .copy-btn {
            background: rgba(255, 255, 255, 0.10);
            border: none;
            color: #d4c8b8;
            padding: 2px 14px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 11px;
            transition: background 0.2s;
        }
        .code-toolbar .copy-btn:hover {
            background: rgba(255, 255, 255, 0.20);
        }
        .code-scroll {
            flex: 1;
            overflow: auto;
            padding: 12px 14px;
            display: none;  /* 完整文章代码默认折叠 */
        }
        .code-scroll.open { display: block; }
        /* 右侧移入的图层选择/操作区（预览下方） */
        .code-side-panel {
            flex-shrink: 0;
            background: #fff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        /* ===== 图层栏：画布与预览之间的独立一栏（可开关） ===== */
        .app-layers {
            width: 380px;
            min-width: 300px;
            max-width: 520px;
            flex-shrink: 0;
            background: var(--bg-page);
            border-left: 1px solid var(--border-color);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            overflow: auto;
            transition: width 0.2s ease;
        }
        .app-layers .code-side-panel {
            border-top: none;
        }
        /* 收起状态：宽度归零、隐藏内容 */
        .app-body.layers-hidden .app-layers {
            width: 0;
            min-width: 0;
            border-left: none;
            border-right: none;
            overflow: hidden;
        }
        .app-body.layers-hidden .app-layers > * { display: none; }
        /* 收起状态：实时预览栏宽度归零 */
        .app-body.preview-hidden .app-code {
            width: 0;
            min-width: 0;
            border-left: none;
            overflow: hidden;
        }
        .app-body.preview-hidden .app-code > * { display: none; }
        /* 头部开关按钮激活态 */
        #toggleLayersBtn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        #togglePreviewBtn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .code-scroll pre {
            margin: 0;
            color: #e8e0d8;
            font-size: 11.5px;
            font-family: 'Courier New', monospace;
            white-space: pre-wrap;
            word-break: break-all;
            line-height: 1.6;
        }
        .code-scroll .empty-code {
            color: #6a6560;
            font-style: italic;
            font-size: 13px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .app-sidebar {
                width: 300px;
                min-width: 240px;
            }
            .app-code {
                width: 300px;
                min-width: 220px;
            }
            .app-layers {
                width: 280px;
                min-width: 220px;
            }
            .preview-grid {
                flex-direction: column;
            }
            .preview-col {
                min-height: 200px;
            }
        }
        @media (max-width: 768px) {
            .app-body {
                flex-direction: column;
                height: auto;
                overflow: auto;
            }
            .app-sidebar {
                width: 100%;
                max-width: 100%;
                height: auto;
                max-height: 50vh;
                border-right: none;
                border-bottom: 1px solid var(--border-color);
            }
            .app-preview {
                height: auto;
                min-height: 300px;
            }
            .app-layers {
                width: 100%;
                max-width: 100%;
                height: auto;
                max-height: 50vh;
                border-left: none;
                border-right: none;
                border-top: 1px solid var(--border-color);
            }
            .app-body.layers-hidden .app-layers {
                width: 100%;
                min-width: 0;
                height: 0;
                max-height: 0;
                border: none;
            }
            .app-body.preview-hidden .app-code {
                width: 100%;
                min-width: 0;
                height: 0;
                max-height: 0;
                border: none;
            }
            .app-code {
                width: 100%;
                max-width: 100%;
                height: auto;
                max-height: 40vh;
                border-left: none;
                border-top: 1px solid var(--border-color);
            }
            .app-header {
                flex-wrap: wrap;
                height: auto;
                padding: 8px 12px;
            }
            .import-section .import-row {
                flex-wrap: wrap;
            }
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-1 {
            margin-top: 4px;
        }
        .hidden {
            display: none !important;
        }

        /* ===== 头部插件：图标动画模块 / 颜色组 / 文字布局（从SVG特效生成器集成） ===== */
        .icon-module {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 10px 12px;
            background: #fafcfc;
            margin-top: 4px;
        }
        .icon-module .im-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }
        .icon-module .im-title {
            font-weight: 600;
            font-size: 12.5px;
            color: var(--text-main);
        }
        .icon-item-editor {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 8px 10px;
            margin-bottom: 6px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            position: relative;
        }
        .icon-item-editor .icon-del-btn {
            position: absolute;
            top: 3px;
            right: 5px;
            background: none;
            border: none;
            color: var(--danger);
            font-size: 15px;
            cursor: pointer;
            padding: 0 4px;
            line-height: 1;
        }
        .icon-item-editor .icon-del-btn:hover { color: #dc2626; }
        .icon-item-editor .im-field {
            display: flex;
            align-items: center;
            gap: 3px;
            font-size: 11px;
            color: var(--text-secondary);
        }
        .icon-item-editor .im-field input,
        .icon-item-editor .im-field select {
            padding: 2px 4px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 11px;
            font-family: inherit;
        }
        .icon-item-editor .im-field input[type="number"] { width: 44px; }
        .icon-item-editor .im-field select { width: 72px; }
        .icon-item-editor .im-field input[type="color"] {
            width: 26px;
            height: 24px;
            padding: 0;
            border: none;
            background: none;
            cursor: pointer;
        }
        .icon-item-editor .im-field input[type="color"]:disabled { opacity: 0.5; cursor: not-allowed; }
        .icon-item-editor .preview-icon {
            font-size: 18px;
            line-height: 1;
            min-width: 26px;
            text-align: center;
        }
        .icon-item-editor .preview-icon img { max-width: 22px; max-height: 22px; display: block; }
        .icon-item-editor .icon-replace-btn {
            font-size: 10px;
            padding: 2px 6px;
            border: 1px dashed var(--border-color);
            border-radius: 4px;
            background: none;
            cursor: pointer;
            color: var(--text-muted);
        }
        .icon-item-editor .icon-replace-btn:hover { border-color: var(--primary); color: var(--primary); }
        /* 已提交模块 SVG 文字/图标可拖动（与SVG特效生成器一致；仅头部模块，背景图除外） */
        .module-item[data-type="header"] svg text:not([data-bg]),
        .module-item[data-type="header"] svg image:not([data-bg]),
        .module-item[data-type="header"] svg g > path { cursor: move; }
        .pos-presets { display: flex; gap: 3px; flex-wrap: wrap; }
        .pos-presets .pos-btn {
            padding: 1px 6px;
            border: 1px solid var(--border-color);
            border-radius: 3px;
            background: #fff;
            cursor: pointer;
            font-size: 10px;
            color: var(--text-muted);
        }
        .pos-presets .pos-btn:hover { border-color: var(--primary); color: var(--primary); }
        .icon-empty {
            color: var(--text-light);
            font-size: 12px;
            padding: 6px 0;
            text-align: center;
        }
        .color-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
            background: #f5fbf8;
            padding: 6px 10px;
            border-radius: var(--radius-btn);
            margin-top: 4px;
        }
        .color-group .cg-item {
            display: flex;
            align-items: center;
            gap: 3px;
            font-size: 11.5px;
            color: var(--text-secondary);
        }
        .color-group .cg-item input[type="color"] {
            width: 28px;
            height: 26px;
            padding: 0;
            border: none;
            cursor: pointer;
            background: none;
        }
        .color-group .cg-item input[type="color"]:disabled { opacity: 0.5; cursor: not-allowed; }
        .color-group .cg-item input[type="checkbox"] { width: 14px; height: 14px; }
        .text-layout-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            background: #fafcfc;
            padding: 4px 8px;
            border-radius: var(--radius-btn);
            margin-top: 4px;
        }
        .text-layout-group .tlg-item {
            display: flex;
            align-items: center;
            gap: 3px;
            font-size: 11px;
            color: var(--text-secondary);
        }
        .text-layout-group .tlg-item select,
        .text-layout-group .tlg-item input[type="number"] {
            padding: 2px 4px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 11px;
            font-family: inherit;
        }
        .text-layout-group .tlg-item input[type="number"] { width: 50px; }
        .preset-bg-row {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }
        .preset-bg-row select {
            flex: 1;
            min-width: 0;
            padding: 4px 6px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 11px;
            font-family: inherit;
        }
        @media (max-width: 480px) {
            .icon-item-editor { flex-direction: column; align-items: stretch; }
            .icon-item-editor .im-field { justify-content: space-between; }
            .icon-item-editor .im-field input,
            .icon-item-editor .im-field select { width: 60%; }
        }

        /* ★ 2026-09-24 插入目标选择浮卡（当前图层/新建图层）：轻量气泡，不使用遮罩，避免多层「壳」 */
        .itp-pop {
            position: fixed; z-index: 9999; display: flex; align-items: center; gap: 8px;
            padding: 8px 10px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 10px;
            box-shadow: 0 8px 28px rgba(15, 23, 42, .14), 0 2px 8px rgba(15, 23, 42, .08);
            animation: itpPopIn .14s ease-out;
        }
        @keyframes itpPopIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
        .itp-pop .itp-title { font-size: 12px; font-weight: 700; color: #475569; white-space: nowrap; }
        .itp-pop .itp-btns { display: flex; gap: 6px; }
        .itp-pop .itp-close {
            border: none; background: transparent; color: #94a3b8; font-size: 13px;
            cursor: pointer; padding: 2px 4px; border-radius: 6px; line-height: 1;
        }
        .itp-pop .itp-close:hover { background: #f1f5f9; color: #ef4444; }
        .itp-pop .cbg-btn[disabled] { opacity: .45; cursor: not-allowed; }

        /* ★ 2026-09-24 自由画布元素：独立点选/拖动 */
        #canvasStage .canvas-item[data-type="canvas"] svg g[data-cvi] { cursor: grab; }
        #canvasStage .canvas-item[data-type="canvas"] svg g[data-cvi]:active { cursor: grabbing; }
        /* ★ 2026-09-25 框架 HTML 文字层（#126 标题/正文） */
        #canvasStage .canvas-item[data-type="canvas"] [data-hcv="1"] { cursor: grab; }
        #canvasStage .canvas-item[data-type="canvas"] [data-hcv="1"]:active { cursor: grabbing; }
        #canvasStage .canvas-item[data-type="canvas"] [data-hcv="1"].cv-el-sel {
            outline: 2px solid #f59e0b;
            outline-offset: 2px;
            background: rgba(245, 158, 11, .07);
        }
        /* ★ 2026-09-26 小图层点选高亮：g 级单框琥珀描边（多元素组合也只有一框），区别于模板配色 */
        #canvasStage g.cv-el-sel {
            outline: 2px solid #f59e0b;
            outline-offset: 2px;
            filter: drop-shadow(0 0 3px rgba(245, 158, 11, .55));
        }
                /* 右侧属性面板对应元素行（琥珀色与画布选中一致） */
        .lp-img-row[data-cvrow].cv-row-sel,
        .cv-el-card[data-cvrow].cv-row-sel { background: #fff7e6 !important; outline: 1px solid #f59e0b; border-radius: 6px; }
        .lp-img-row[data-cvrow].cv-row-flash,
        .cv-el-card[data-cvrow].cv-row-flash { animation: cvRowFlash 1.4s ease-out; }
        @keyframes cvRowFlash {
            0% { background: #fde68a; box-shadow: 0 0 0 3px rgba(245,158,11,.25); }
            100% { background: transparent; box-shadow: none; }
        }

/* ★ 2026-09-25 素材库多选选中态 */
.material-img-item { position: relative; }
.material-img-item.mat-sel { border: 2px solid var(--primary) !important; box-shadow: 0 0 0 2px rgba(16,185,129,.25); }
.material-img-item.mat-sel::after { content: '✓'; position: absolute; top: 4px; right: 4px; background: var(--primary); color: #fff; border-radius: 50%; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 12px; z-index: 2; }