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.2s}.btn-success:hover{background:#73d13d;color:#fff}.btn-del{color:var(--danger);border-color:#ffccc7;background:#fff}.btn-del:hover{background:#fff1f0;color:var(--danger);border-color:var(--danger)}.main-area{flex:1;display:flex;flex-direction:row;background:#1a1a1a;overflow:hidden;position:relative;min-width:0}.props-empty-hint{color:var(--text-tertiary);text-align:center;margin:16px 12px 0;line-height:1.7;font-size:12px}.props-section--arrangement{padding-top:8px;padding-bottom:6px}.props-arr-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.props-arr-label{font-size:11px;font-weight:600;color:var(--text-tertiary)}.props-arr-tools{display:flex;gap:4px}.arr-btn{width:30px;height:30px;padding:0;font-size:15px;line-height:1;border:1px solid #d9d9d9;border-radius:4px;background:#fafafa;cursor:pointer;color:#262626}.arr-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:#e6f7ff}.arr-btn:disabled{opacity:.32;cursor:not-allowed}.prop-info--tight{margin-top:6px;margin-bottom:0;font-size:10px;line-height:1.45}.canvas-wrapper{flex:1 1 0%;display:flex;flex-direction:column;overflow:hidden;position:relative;min-width:0}.canvas-toolbar{position:absolute;bottom:20px;left:50%;transform:translate(-50%);background:#fffffff2;border-radius:8px;padding:8px 12px;display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px #0000004d;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.toolbar-btn{width:32px;height:32px;border:1px solid #d9d9d9;background:#fff;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-primary);transition:all .2s ease;font-weight:600}.toolbar-btn:hover{border-color:var(--primary);color:var(--primary);background:#f0f7ff}.toolbar-btn:active{background:var(--primary);color:#fff}.zoom-display{font-size:13px;font-weight:600;color:var(--text-primary);min-width:50px;text-align:center;padding:0 8px}.canvas-wrap{flex:1 1 0%;width:100%;display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden;min-width:0}#canvas{background:#000;position:relative;box-shadow:0 8px 32px #0009;transform-origin:center center;flex-shrink:0}.layer{position:absolute;cursor:move;-webkit-user-select:none;user-select:none;box-sizing:border-box;overflow:hidden;transition:box-shadow .2s ease;touch-action:none}.layer:hover{box-shadow:0 0 0 2px #1890ff4d}.layer.active{border:2px solid var(--primary);z-index:999;box-shadow:0 0 0 4px #1890ff33}.layer.placeholder{background:#ffffff0d;border:2px dashed #666;display:flex;justify-content:center;align-items:center;color:#999;font-size:13px;font-weight:500}.resize-handle{width:12px;height:12px;background:var(--primary);position:absolute;right:-6px;bottom:-6px;cursor:nwse-resize;border-radius:50%;border:2px solid #fff;display:none;z-index:1000;touch-action:none}.layer.active .resize-handle{display:block}.props{width:var(--props-w);min-width:var(--props-w);max-width:var(--props-w);background:#fff;border-left:1px solid var(--border-color);padding:0;overflow-y:auto;overflow-x:hidden;z-index:20;flex-shrink:0;display:flex;flex-direction:column}.props::-webkit-scrollbar{width:6px}.props::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}.props-header{padding:12px 14px;background:#fff;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:10;flex-shrink:0}.props-header h3{font-size:13px;font-weight:600;color:var(--text-primary);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.props-content{padding:0!important;flex:1;overflow-y:auto;align-content:flex-start!important}.props-section:first-child{padding-top:0!important;margin-top:0!important}.props-section{padding:10px 14px;border-bottom:1px solid var(--border-color)}.props-section:last-child{border-bottom:none}.props-section-title{font-size:11px;font-weight:600;color:var(--text-primary);margin-bottom:8px;display:flex;align-items:center;gap:4px;white-space:nowrap}.prop-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:10px}.prop-grid-2{grid-template-columns:repeat(2,1fr)}.prop-grid-3{grid-template-columns:repeat(3,1fr)}.prop-row-inline-item{display:flex;align-items:center;margin-bottom:6px;gap:6px}.prop-row-inline-item:last-child{margin-bottom:0}.prop-row-inline-2{display:grid;grid-template-columns:1fr 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select:focus,.prop-row-inline-2 .prop-field input:focus,.prop-row-inline-2 .prop-field select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #1890ff1a}.prop-row-inline-item input:hover,.prop-row-inline-item select:hover,.prop-row-inline-2 .prop-field input:hover,.prop-row-inline-2 .prop-field select:hover{border-color:var(--primary-hover)}.prop-row-inline-item input[type=text]{min-width:0}.prop-row-inline-item input[type=color],.prop-row-inline-2 .prop-field input[type=color]{padding:2px;height:26px;width:40px!important;min-width:40px!important;max-width:40px!important;cursor:pointer}.prop-row{margin-bottom:0}.prop-row label{display:block;font-size:11px;color:var(--text-secondary);margin-bottom:4px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.prop-row input,.prop-row select{width:100%;padding:6px 8px;border:1px solid var(--border-color);border-radius:4px;font-size:12px;transition:all .2s ease;background:#fff}.prop-row input:focus,.prop-row select:focus{border-color:var(--primary);box-shadow:0 0 0 2px #1890ff1a}.prop-row input:hover,.prop-row select:hover{border-color:var(--primary-hover)}.prop-row-full{grid-column:1 / -1}.prop-status{font-size:12px;color:var(--success);margin-top:12px;display:flex;align-items:center;gap:6px;font-weight:500;padding:8px 12px;background:#f6ffed;border-radius:4px;border:1px solid #b7eb8f}.prop-status:before{content:"✓";display:inline-block;width:16px;height:16px;background:var(--success);color:#fff;border-radius:50%;text-align:center;line-height:16px;font-size:10px}.prop-info{font-size:12px;color:var(--text-tertiary);margin-top:10px;padding:10px 12px;background:#f5f5f5;border-radius:4px;line-height:1.5}.material-library-dialog{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;z-index:1000;display:flex;align-items:center;justify-content:center}.material-library-content{background:#fff;border-radius:8px;width:90%;max-width:800px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 4px 20px #0000004d}.material-library-header{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.header-actions{display:flex;align-items:center;gap:8px}.btn-upload{background:var(--success);color:#fff;border:none;padding:6px 12px;font-size:12px;border-radius:4px;cursor:pointer;transition:all .2s;font-weight:500}.btn-upload:hover{background:#73d13d}.material-library-header h3{margin:0;font-size:16px;font-weight:600}.btn-close{background:none;border:none;font-size:20px;cursor:pointer;color:#666;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:4px}.btn-close:hover{background:#f5f5f5;color:#333}.material-library-body{padding:20px;overflow-y:auto;flex:1}.empty-message{text-align:center;color:#999;padding:40px 0}.material-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.material-item{border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:all .2s;position:relative}.material-checkbox{position:absolute;top:8px;left:8px;z-index:10;cursor:pointer}.material-checkbox input[type=checkbox]{width:18px;height:18px;cursor:pointer}.material-item:hover{border-color:var(--primary-color);box-shadow:var(--shadow-sm)}.material-preview{width:100%;height:120px;background:#f5f5f5;display:flex;align-items:center;justify-content:center;overflow:hidden}.material-preview img,.material-preview video{width:100%;height:100%;object-fit:cover}.material-info{padding:10px;background:#fff}.material-name{font-size:12px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.material-size{font-size:11px;color:#999}.material-actions{padding:8px 10px;display:flex;gap:8px;background:#fafafa;border-top:1px solid var(--border-color)}.btn-small{flex:1;padding:4px 8px;font-size:11px;border:1px solid var(--border-color);background:#fff;border-radius:4px;cursor:pointer;transition:all .2s}.btn-small:hover{border-color:var(--primary-color);color:var(--primary-color)}.btn-small.btn-del{color:#ff4d4f;border-color:#ff4d4f}.btn-small.btn-del:hover{background:#ff4d4f;color:#fff}.material-library-footer{padding:12px 20px;border-top:1px solid var(--border-color);background:#fafafa;text-align:center}#selectionCount{font-size:13px;color:#666;font-weight:500}@media (max-width: 1400px){:root{--props-w: 280px;--editor-sidebar-w: 168px}}@media (max-width: 1200px){:root{--props-w: 260px;--editor-sidebar-w: 160px}.app-title{display:none}}@media (max-width: 768px){:root{--editor-sidebar-w: 148px;--props-w: min(46vw, 240px)}.app-header{padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px));padding-top:max(4px,env(safe-area-inset-top,0px))}.app-nav-item{min-height:44px;padding:8px 10px}body.app-body[data-app-module=editor] .app-header-doc{display:grid;width:100%;flex-basis:100%;order:8;box-sizing:border-box;border-left:none;margin-left:0;padding:10px 0 4px;border-top:1px solid rgba(255,255,255,.12);grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.app-doc-btn{min-height:44px;padding:8px 6px;font-size:13px;white-space:normal;text-align:center;line-height:1.2}.app-header-meta{max-width:none;flex:1 1 140px;min-width:0}.st-item{min-height:44px;padding-top:9px;padding-bottom:9px}.st-chip{min-height:40px;padding:8px 6px;font-size:12px}.st-scene-btn{min-height:44px;padding:10px 6px;font-size:12px}.toolbar-btn{min-width:44px;min-height:44px}.layer.active .resize-handle{width:22px;height:22px;right:-11px;bottom:-11px}}