.cr2conv-core {
            width: 100%;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }
        
        .cr2conv-core * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        .cr2conv-upload {
            width: 100%;
            border: 1px dashed #ccc;
            background: #fff;
            text-align: center;
            padding: 40px 20px;
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
        }
        .cr2conv-upload:hover { border-color: #999; background: #fafafa; }
        .cr2conv-upload.dragover { border-color: #666; background: #f0f0f0; }
        .cr2conv-upload-icon { width: 48px; height: 48px; margin: 0 auto 12px; color: #999; }
        .cr2conv-upload-text { color: #666; font-size: 14px; }
        .cr2conv-upload-hint { color: #999; font-size: 12px; margin-top: 8px; }
        .cr2conv-file-input { display: none; }
        
        .cr2conv-list {
            width: 100%;
            column-count: 4;
            column-gap: 16px;
            margin-top: 16px;
        }
        @media (max-width: 1200px) { .cr2conv-list { column-count: 3; } }
        @media (max-width: 900px) { .cr2conv-list { column-count: 2; } }
        @media (max-width: 500px) { .cr2conv-list { column-count: 1; } }
        
        .cr2conv-item {
            width: 100%;
            border: 1px solid #e0e0e0;
            background: #fff;
            break-inside: avoid;
            margin-bottom: 16px;
        }
        .cr2conv-item-imgwrap {
            width: 100%;
            background: #f0f0f0;
            overflow: hidden;
        }
        .cr2conv-item-imgwrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .cr2conv-item-name {
            padding: 10px 12px;
            font-size: 13px;
            color: #333;
            border-top: 1px solid #e0e0e0;
            word-break: break-all;
            line-height: 1.4;
        }
        .cr2conv-item-btns {
            display: flex;
            border-top: 1px solid #e0e0e0;
        }
        .cr2conv-item-btn {
            flex: 1;
            padding: 10px;
            font-size: 13px;
            color: #666;
            background: #fff;
            border: none;
            border-right: 1px solid #e0e0e0;
            cursor: pointer;
            transition: background 0.2s;
            text-decoration: none;
            display: block;
            text-align: center;
        }
        .cr2conv-item-btn:last-child { border-right: none; }
        .cr2conv-item-btn:hover { background: #f5f5f5; }
        
        .cr2conv-loading {
            width: 100%;
            border: 1px solid #e0e0e0;
            background: #fff;
            padding: 30px;
            text-align: center;
        }
        .cr2conv-spinner {
            width: 24px;
            height: 24px;
            border: 2px solid #e0e0e0;
            border-top-color: #666;
            border-radius: 50%;
            animation: cr2conv-spin 0.8s linear infinite;
            margin: 0 auto 10px;
        }
        @keyframes cr2conv-spin { to { transform: rotate(360deg); } }
        .cr2conv-loading-text { font-size: 13px; color: #666; }
        
        .cr2conv-error {
            width: 100%;
            border: 1px solid #f0c0c0;
            background: #fff5f5;
            padding: 20px;
            text-align: center;
        }
        .cr2conv-error-text { font-size: 13px; color: #c00; }
        
        .cr2conv-libtip {
            width: 100%;
            border: 1px solid #d0d0f0;
            background: #f5f5ff;
            padding: 15px;
            text-align: center;
            margin-top: 16px;
        }
        .cr2conv-libtip-text { font-size: 13px; color: #666; }
        
        .cr2conv-info {
            width: 100%;
            border: 1px solid #e0e0e0;
            background: #fff;
            padding: 24px;
            margin-top: 24px;
        }
        .cr2conv-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-top: 20px;
            margin-bottom: 8px;
        }
        .cr2conv-info h3:first-child { margin-top: 0; }
        .cr2conv-info p {
            font-size: 14px;
            color: #666;
            line-height: 1.5;
            margin-bottom: 12px;
        }
        
        /* 导出宽度选择器样式 */
        .cr2conv-width-selector {
            display: none;
            width: 100%;
            background: #fff;
            border: 1px solid #e0e0e0;
            padding: 12px 16px;
            margin-bottom: 16px;
            align-items: center;
            gap: 12px;
        }
        .cr2conv-width-selector.show {
            display: flex;
        }
        .cr2conv-width-label {
            font-size: 14px;
            color: #333;
            font-weight: 500;
        }
        .cr2conv-width-options {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .cr2conv-width-option {
            padding: 6px 16px;
            font-size: 13px;
            color: #666;
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .cr2conv-width-option:hover {
            border-color: #999;
        }
        .cr2conv-width-option.active {
            background: #333;
            color: #fff;
            border-color: #333;
        }
        .cr2conv-width-option.vip {
            position: relative;
            background: linear-gradient(135deg, #fff5eb, #fff);
            border-color: #fda085;
            color: #e67e22;
        }
        .cr2conv-width-option.vip:hover {
            border-color: #e67e22;
        }
        .cr2conv-width-option.vip.active {
            background: linear-gradient(135deg, #f6d365, #fda085);
            color: #fff;
            border-color: #fda085;
        }
        .cr2conv-width-option.vip::after {
            content: '';
        }
        
        /* VIP弹窗样式 */
        .cr2conv-vip-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 99999;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .cr2conv-vip-modal-content {
            background: #fff;
            border-radius: 12px;
            padding: 32px 40px;
            text-align: center;
            min-width: 300px;
        }
        .cr2conv-vip-modal-title {
            font-size: 18px;
            font-weight: bold;
            color: #333;
            margin-bottom: 8px;
        }
        .cr2conv-vip-modal-title i {
            color: #fda085;
            margin-right: 6px;
        }
        .cr2conv-vip-modal-text {
            font-size: 15px;
            color: #666;
            margin-bottom: 24px;
        }
        .cr2conv-vip-modal-btns {
            display: flex;
            gap: 12px;
            justify-content: center;
        }
        .cr2conv-vip-modal-btn-vip {
            padding: 8px 24px;
            background: linear-gradient(135deg, #f6d365, #fda085);
            color: #fff;
            text-decoration: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: bold;
        }
        .cr2conv-vip-modal-btn-cancel {
            padding: 8px 24px;
            background: #fff;
            color: #666;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 14px;
            cursor: pointer;
        }
        
        /* 打包下载栏 */
        .cr2conv-batch-bar {
            display: none;
            width: 100%;
            padding: 10px 0;
            margin-bottom: 16px;
        }
        .cr2conv-batch-bar.show {
            display: flex;
            align-items: center;
            justify-content: flex-start;
        }
        .cr2conv-batch-btn {
            padding: 8px 20px;
            font-size: 13px;
            color: #666;
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .cr2conv-batch-btn:hover:not(:disabled) {
            border-color: #999;
        }
        .cr2conv-batch-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        .cr2conv-batch-btn.vip {
            background: linear-gradient(135deg, #fff5eb, #fff);
            border-color: #fda085;
            color: #e67e22;
        }
        .cr2conv-batch-btn.vip:hover:not(:disabled) {
            border-color: #e67e22;
        }