2025-09-12 13:08:14 +08:00
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<template>
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<div class="label-render-container">
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<!-- 操作按钮 -->
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<div class="action-buttons">
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<el-button type="primary" @click="downloadLabelAsImage">下载标签图片</el-button>
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<el-button type="primary" @click="printLabel" style="margin-left: 10px;">打印标签</el-button>
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</div>
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<!-- 标签预览容器 -->
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<div class="preview-container" id="label-preview-container" ref="labelRef">
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<ProductionTagPreview v-if="labelType === '2'" :content="content" />
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<OuterTagPreview v-if="labelType === '3'" :content="content" />
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<SampleTagPreview v-if="labelType === '4'" :content="content" />
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<ForgeTagPreview v-if="labelType === '5'" :content="content" />
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<SaltSprayTagPreview v-if="labelType === '6'" :content="content" />
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</div>
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</div>
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</template>
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<script>
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import domToImage from 'dom-to-image';
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import printJS from 'print-js';
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import { Message } from 'element-ui'; // 若使用Element UI，引入消息提示
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import ProductionTagPreview from './ProductionTagPreview.vue';
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import OuterTagPreview from './OuterTagPreview.vue';
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import SampleTagPreview from './SampleTagPreview.vue';
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import ForgeTagPreview from './ForgeTagPreview.vue';
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import SaltSprayTagPreview from './SaltSprayTagPreview.vue';
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export default {
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name: 'LabelRender',
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components: {
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ProductionTagPreview,
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OuterTagPreview,
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SampleTagPreview,
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ForgeTagPreview,
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SaltSprayTagPreview,
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},
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props: {
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labelType: {
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type: String,
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required: true,
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},
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content: {
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type: Object,
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required: true,
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},
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},
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methods: {
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// -------- 图片下载方法 --------
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async downloadLabelAsImage() {
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// 1. 获取要转换的DOM容器
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const labelContainer = document.getElementById('label-preview-container');
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if (!labelContainer) {
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Message.error('未找到标签容器，无法下载');
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return;
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}
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try {
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// 2. 用dom-to-image生成PNG图片的DataURL
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const dataUrl = await domToImage.toPng(labelContainer);
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// 3. 创建临时a标签，触发下载
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const downloadLink = document.createElement('a');
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downloadLink.href = dataUrl;
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downloadLink.download = `标签_${new Date().getTime()}.png`; // 自定义文件名（带时间戳防重复）
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document.body.appendChild(downloadLink);
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downloadLink.click();
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document.body.removeChild(downloadLink); // 下载后移除临时标签
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} catch (error) {
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console.error('标签图片下载失败：', error);
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Message.error('标签图片下载失败，请重试');
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}
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},
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// 打印方法
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printLabel() {
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// 1. 获取标签容器DOM
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const labelContainer = document.getElementById('label-preview-container');
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if (!labelContainer) {
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Message.error('未找到标签容器，无法打印');
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return;
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}
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// 2. 获取标签原始宽高（用于保持尺寸）
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const labelWidth = labelContainer.offsetWidth;
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const labelHeight = labelContainer.offsetHeight;
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// 3. 定义打印样式（确保与预览一致）
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2025-09-12 17:07:57 +08:00
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// const printStyles = `
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// /* 基础容器样式 */
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// #label-preview-container {
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// width: ${labelWidth}px !important;
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// height: ${labelHeight}px !important;
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// padding: 1.5rem !important;
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// box-sizing: border-box !important;
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// border: 1px solid #333 !important;
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// background-color: #fff !important;
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// }
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// .company-header {
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// display: flex;
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// align-items: center;
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// margin-bottom: 0.3em;
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// }
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// .company-logo {
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// width: 2.8em;
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// height: 2.8em;
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// margin-right: 0.5em;
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// }
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// .company-name {
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// font-size: 0.95em;
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// line-height: 1.1;
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// }
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// .english-name {
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// font-size: 0.6em;
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// opacity: 0.8;
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// }
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// .product-title {
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// font-size: 1.4em;
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// font-weight: bold;
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// text-align: center;
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// margin-bottom: 0.4em;
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// border-bottom: 1.5px solid #000;
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// padding-bottom: 0.2em;
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// }
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// .footer-info {
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// display: flex;
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// justify-content: space-between;
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// align-items: flex-start;
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// font-size: 0.7em;
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// margin-top: 0.3em;
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// }
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// .address {
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// line-height: 1.2;
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// width: 65%;
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// }
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// .english-address {
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// opacity: 0.8;
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// font-size: 0.9em;
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// }
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// .contact-timestamp {
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// text-align: right;
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// line-height: 1.4;
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// }
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// /* 表格与单元格样式（解决空单元格问题） */
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// table {
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// border-collapse: collapse !important;
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// width: 100% !important;
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// table-layout: fixed !important; /* 固定列宽 */
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// }
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// td {
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// border: 1px solid #000 !important;
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// padding: 6px 4px !important; /* 确保单元格大小 */
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// min-height: 28px !important; /* 空单元格最小高度 */
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// vertical-align: middle !important;
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// text-align: center !important;
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// word-break: break-all !important; /* 长文本换行 */
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// font-family: "SimSun", serif !important;
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// font-size: 14px !important;
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// }
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// /* 标签与值单元格样式 */
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// .label-cell {
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// font-weight: bold !important;
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// background-color: #f5f5f5 !important;
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// }
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// .value-cell {
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// background-color: #fff !important;
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// }
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// /* 列宽分配（根据实际列数调整） */
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// td { width: 25% !important; } /* 4列布局 */
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// td[colspan="2"] { width: 50% !important; }
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// td[colspan="3"] { width: 75% !important; }
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// td[colspan="4"] { width: 100% !important; }
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// `;
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2025-09-12 13:08:14 +08:00
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// 4. 调用print-js打印
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printJS({
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printable: 'label-preview-container', // 要打印的元素ID
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type: 'html', // 打印类型为HTML
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header: null, // 不显示页眉
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footer: null, // 不显示页脚
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2025-09-12 17:07:57 +08:00
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// style: printStyles, // 注入打印样式
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scanStyles: true, // 禁用自动扫描页面样式（避免冲突）
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2025-09-12 13:08:14 +08:00
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targetStyles: ['*'], // 允许所有样式生效
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printContainer: true, // 打印指定容器
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onError: (error) => { // 错误处理
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console.error('打印失败:', error);
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Message.error('打印失败，请重试');
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}
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});
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}
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},
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};
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</script>
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<style scoped>
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.label-render-container {
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width: 100%;
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height: calc(100vh - 200px);
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display: flex;
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flex-direction: column;
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/* 按钮与预览垂直排列 */
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justify-content: flex-start;
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align-items: center;
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padding: 2rem;
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box-sizing: border-box;
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}
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.action-buttons {
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margin-bottom: 1rem;
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/* 按钮与预览区的间距 */
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}
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.preview-container {
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background-color: #fff;
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color: #000;
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padding: 1.5rem;
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width: fit-content;
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min-width: 200px;
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border-radius: 6px;
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box-shadow: 0 0 60px rgba(255, 255, 255, 0.2);
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border: 1px solid rgba(255, 255, 255, 0.1);
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overflow: hidden;
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transition: all 0.3s ease;
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}
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.preview-container:hover {
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box-shadow: 0 0 80px rgba(255, 255, 255, 0.3);
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transform: translateY(-2px);
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}
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</style>
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