diff --git a/src/views/demo/scssLiveTranslate/index.vue b/src/views/demo/scssLiveTranslate/index.vue
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+<template>
+    <div
+        class="h-screen flex"
+        style="font-family: Inter, ui-sans-serif, system-ui"
+    >
+        <!-- Sidebar -->
+        <el-drawer
+            v-model="sidebarOpen"
+            direction="ltr"
+            size="360px"
+        >
+            <div class="p-4 h-full flex flex-col">
+                <div class="flex items-center justify-between mb-3">
+                    <h3 class="text-lg font-semibold">历史翻译</h3>
+                    <div class="flex items-center gap-2">
+                        <el-button
+                            size="small"
+                            type="primary"
+                            @click="exportHistory"
+                            >导出 JSON</el-button
+                        >
+                        <el-button
+                            size="small"
+                            @click="importFileInput.click()"
+                            >导入</el-button
+                        >
+                        <input
+                            ref="importFileInput"
+                            type="file"
+                            accept="application/json"
+                            class="hidden"
+                            @change="onImportFile"
+                        />
+                    </div>
+                </div>
+
+                <div class="flex-1 overflow-auto">
+                    <el-collapse v-model:active="activeCollapse">
+                        <el-collapse-item
+                            v-for="item in history"
+                            :key="item.id"
+                            :title="item.title || `未命名 - ${formatTime(item.ts)}`"
+                        >
+                            <div class="mb-2">
+                                <el-input
+                                    v-model="item.title"
+                                    placeholder="输入标题（可选）"
+                                    size="small"
+                                    @change="saveHistory"
+                                ></el-input>
+                            </div>
+                            <div class="mb-2 text-sm text-gray-600">预览：</div>
+                            <pre
+                                class="whitespace-pre-wrap break-words bg-gray-50 p-2 rounded text-sm"
+                                style="max-height: 120px; overflow: auto"
+                                >{{ item.scss }}</pre
+                            >
+                            <div class="flex gap-2 mt-2">
+                                <el-button
+                                    size="small"
+                                    @click="loadHistory(item)"
+                                    >载入</el-button
+                                >
+                                <el-button
+                                    size="small"
+                                    type="primary"
+                                    @click="applyTranslation(item)"
+                                    >查看 CSS</el-button
+                                >
+                                <el-button
+                                    size="small"
+                                    type="danger"
+                                    @click="deleteHistory(item.id)"
+                                    >删除</el-button
+                                >
+                            </div>
+                        </el-collapse-item>
+                    </el-collapse>
+                </div>
+
+                <div class="mt-3 text-right">
+                    <el-button
+                        size="small"
+                        @click="clearHistory"
+                        >清空历史</el-button
+                    >
+                </div>
+            </div>
+        </el-drawer>
+
+        <!-- Main area -->
+        <div class="flex-1 flex flex-col">
+            <!-- Top bar -->
+            <div class="flex items-center justify-between p-4 border-b bg-white">
+                <div class="flex items-center gap-4">
+                    <h2 class="text-xl font-medium">SCSS → CSS 实时翻译器</h2>
+                </div>
+
+                <div class="flex items-center gap-3">
+                    <el-switch
+                        v-model="autoCompile"
+                        active-text="自动实时"
+                        inactive-text="手动"
+                    />
+                    <el-button
+                        type="primary"
+                        @click="compileNow"
+                        >翻译为 CSS</el-button
+                    >
+                    <el-button @click="saveCurrentToHistory">保存到历史</el-button>
+                    <el-button
+                        type="primary"
+                        @click="() => (sidebarOpen = true)"
+                        >查看历史</el-button
+                    >
+                </div>
+            </div>
+
+            <!-- Content -->
+            <div class="flex-1 p-4 overflow-hidden flex gap-4">
+                <!-- Left: SCSS editor -->
+                <div class="w-1/2 h-full flex flex-col">
+                    <div class="mb-2 flex items-center justify-between">
+                        <div class="flex items-center gap-2">
+                            <el-button
+                                size="small"
+                                @click="formatScss"
+                                >格式化</el-button
+                            >
+                            <el-button
+                                size="small"
+                                @click="clearEditor"
+                                >清空</el-button
+                            >
+                            <el-button
+                                size="small"
+                                @click="loadExample"
+                                >示例</el-button
+                            >
+                        </div>
+                        <div class="text-sm text-gray-500">字符: {{ scss.length }}</div>
+                    </div>
+
+                    <textarea
+                        v-model="scss"
+                        class="flex-1 w-full p-3 border rounded leading-relaxed font-mono text-sm resize-none"
+                        placeholder="在此输入 SCSS 代码（支持常见变量与嵌套）"
+                    ></textarea>
+                </div>
+
+                <!-- Right: CSS output -->
+                <div class="w-1/2 h-full flex flex-col">
+                    <div class="mb-2 flex items-center justify-between">
+                        <div class="flex items-center gap-2">
+                            <el-button
+                                size="small"
+                                @click="copyCss"
+                                >复制 CSS</el-button
+                            >
+                            <el-button
+                                size="small"
+                                @click="downloadCss"
+                                >下载 CSS</el-button
+                            >
+                        </div>
+                        <div class="text-sm text-gray-500">
+                            编译状态: <strong>{{ compileStatus }}</strong>
+                        </div>
+                    </div>
+
+                    <pre
+                        class="flex-1 overflow-auto p-3 border rounded bg-gray-50 text-sm font-mono"
+                        v-html="highlightedCss"
+                    ></pre>
+                </div>
+            </div>
+        </div>
+    </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, computed, onMounted } from 'vue';
+import { ElMessage, ElMessageBox } from 'element-plus';
+import { Edit } from '@element-plus/icons-vue';
+
+// ---- State ----
+const scss = ref<string>(`$primary: #3490dc;
+  
+  .button {
+    background: $primary;
+    color: white;
+    padding: 8px 12px;
+    &:hover {
+      background: darken($primary, 10%);
+    }
+  }
+  
+  .container {
+    .row { display:flex }
+  }
+  `);
+const css = ref<string>('');
+const compileStatus = ref('空闲');
+const autoCompile = ref(true);
+const sidebarOpen = ref(false);
+const history = ref<Array<any>>(loadHistoryFromStorage());
+const activeCollapse = ref([]);
+
+// file input ref
+const importFileInput = ref<HTMLInputElement | null>(null);
+
+// ---- Utility ----
+function formatTime(ts: number) {
+    const d = new Date(ts);
+    return d.toLocaleString();
+}
+
+function saveHistory() {
+    localStorage.setItem('scss_history', JSON.stringify(history.value));
+}
+
+function loadHistoryFromStorage() {
+    try {
+        const raw = localStorage.getItem('scss_history');
+        if (!raw) return [];
+        return JSON.parse(raw);
+    } catch (e) {
+        return [];
+    }
+}
+
+function addHistoryRecord(record: any) {
+    history.value.unshift(record);
+    // keep max 200
+    if (history.value.length > 200) history.value.length = 200;
+    saveHistory();
+}
+
+function clearHistory() {
+    ElMessageBox.confirm('确定清空所有历史吗？此操作不可撤销。', '确认', { type: 'warning' })
+        .then(() => {
+            history.value = [];
+            saveHistory();
+            ElMessage({ type: 'success', message: '已清空历史' });
+        })
+        .catch(() => {});
+}
+
+function deleteHistory(id: string) {
+    history.value = history.value.filter((h: any) => h.id !== id);
+    saveHistory();
+}
+
+function loadHistory(item: any) {
+    scss.value = item.scss;
+    sidebarOpen.value = false;
+}
+
+function applyTranslation(item: any) {
+    css.value = item.css;
+    compileStatus.value = '已载入历史 CSS';
+}
+
+function saveCurrentToHistory() {
+    const id = Date.now().toString();
+    addHistoryRecord({ id, title: `翻译 ${new Date().toLocaleString()}`, scss: scss.value, css: css.value, ts: Date.now() });
+    ElMessage({ type: 'success', message: '已保存到历史' });
+}
+
+function formatCss(raw: string): string {
+    let indent = 0;
+    return raw
+        .replace(/\s+/g, ' ') // 先压掉多余空格
+        .replace(/\s*{\s*/g, ' {\n') // { 前后换行
+        .replace(/\s*}\s*/g, '\n}\n') // } 前后换行
+        .replace(/;\s*/g, ';\n') // ; 后换行
+        .split('\n')
+        .map((line) => {
+            if (line.includes('}')) indent -= 2;
+            const res = ' '.repeat(indent) + line.trim();
+            if (line.includes('{')) indent += 2;
+            return res;
+        })
+        .join('\n')
+        .trim();
+}
+
+function formatScss() {
+    // simple formatting: trim trailing spaces
+    scss.value = formatCss(scss.value);
+}
+
+function clearEditor() {
+    scss.value = '';
+}
+
+function loadExample() {
+    scss.value = `$brand: #ff6b6b;\n.card {\n  padding: 16px;\n  background: lighten($brand, 30%);\n  .title { font-weight: 700 }\n}\n`;
+}
+
+// ---- Compilation ----
+let sassLib: any = null;
+
+async function ensureSass() {
+    if (sassLib) return sassLib;
+
+    try {
+        await new Promise((resolve, reject) => {
+            const script = document.createElement('script');
+            script.src = 'https://cdn.jsdelivr.net/npm/sass.js@0.11.1/dist/sass.sync.js';
+            script.onload = () => resolve();
+            script.onerror = (e) => reject(new Error('Sass.js failed to load'));
+            document.head.appendChild(script);
+        });
+
+        if (window.Sass) {
+            sassLib = window.Sass;
+            return sassLib;
+        }
+    } catch (e) {
+        console.error('Failed to load sass.js', e);
+    }
+
+    return null; // Fallback if Sass.js can't be loaded
+}
+
+async function compileScss(input: string) {
+    compileStatus.value = '编译中...';
+    const lib = await ensureSass();
+    if (!lib) {
+        // 简易回退：只做变量替换 (很有限)，并移除嵌套（尝试扁平化）
+        const simple = simpleScssToCss(input);
+        css.value = simple;
+        compileStatus.value = '使用回退编译（有限支持）';
+        return simple;
+    }
+
+    return new Promise<string>((resolve) => {
+        try {
+            lib.compile(input, { style: 'expanded' }, (result: any) => {
+                if (result && result.text) {
+                    css.value = formatCss(result.text);
+                    compileStatus.value = '编译成功';
+                    resolve(result.text);
+                } else {
+                    compileStatus.value = '编译失败（返回错误）';
+                    css.value = `/* 编译失败： ${JSON.stringify(result)} */`;
+                    resolve(css.value);
+                }
+            });
+        } catch (e) {
+            compileStatus.value = '编译异常';
+            css.value = `/* 编译异常： ${e} */`;
+            resolve(css.value);
+        }
+    });
+}
+
+// a very naive fallback converter: handles $var: value; and simple nesting 1-level
+function simpleScssToCss(src: string) {
+    // extract variables
+    const vars: Record<string, string> = {};
+    const lines = src.split(/\r?\n/);
+    const bodyLines: string[] = [];
+    for (const l of lines) {
+        const m = l.match(/^\s*\$([\w-]+)\s*:\s*(.+);?\s*$/);
+        if (m) {
+            vars[m[1]] = m[2].trim();
+        } else bodyLines.push(l);
+    }
+
+    // replace variables
+    let text = bodyLines.join('\n');
+    for (const k in vars) {
+        const re = new RegExp(`\\$${k}\\b`, 'g');
+        text = text.replace(re, vars[k]);
+    }
+
+    // naive nesting: convert .a { .b { ... } } => .a .b { ... }
+    // this is VERY limited and only supports two-levels
+    try {
+        const stack: string[] = [];
+        const outBlocks: string[] = [];
+        const outLines: string[] = [];
+        const indentRe = /^\s*/;
+        for (const l of text.split(/\r?\n/)) {
+            const trimmed = l.trim();
+            if (trimmed.endsWith('{')) {
+                const sel = trimmed.slice(0, -1).trim();
+                stack.push(sel);
+            } else if (trimmed === '}') {
+                stack.pop();
+            } else {
+                if (stack.length === 0) {
+                    outLines.push(l);
+                } else {
+                    const selector = stack.join(' ').replace(/\s+/g, ' ');
+                    outLines.push(`${selector} { ${trimmed} }`);
+                }
+            }
+        }
+        return outLines.join('\n');
+    } catch (e) {
+        return text;
+    }
+}
+
+// compile now button or auto
+let compileTimer: any = null;
+
+async function compileNow() {
+    await compileScss(scss.value);
+}
+
+// auto compile watch
+onMounted(() => {
+    // try initial compile
+    if (autoCompile.value) compileNow();
+
+    // watch scss changes (manual approach)
+    let last = scss.value;
+    setInterval(() => {
+        if (!autoCompile.value) return;
+        if (scss.value !== last) {
+            last = scss.value;
+            compileNow();
+        }
+    }, 600);
+});
+
+// ---- copy / download / export / import ----
+function copyCss() {
+    navigator.clipboard
+        ?.writeText(css.value || '')
+        .then(() => {
+            ElMessage({ type: 'success', message: '已复制到剪贴板' });
+        })
+        .catch(() => {
+            ElMessage({ type: 'error', message: '复制失败' });
+        });
+}
+
+function downloadCss() {
+    const blob = new Blob([css.value || ''], { type: 'text/css' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = 'style.css';
+    a.click();
+    URL.revokeObjectURL(url);
+}
+
+function exportHistory() {
+    const blob = new Blob([JSON.stringify(history.value, null, 2)], { type: 'application/json' });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = 'scss_history.json';
+    a.click();
+    URL.revokeObjectURL(url);
+}
+
+function onImportFile(e: any) {
+    const f = e.target.files?.[0];
+    if (!f) return;
+    const reader = new FileReader();
+    reader.onload = (ev) => {
+        try {
+            const parsed = JSON.parse(String(ev.target?.result));
+            if (Array.isArray(parsed)) {
+                history.value = parsed.concat(history.value);
+                saveHistory();
+                ElMessage({ type: 'success', message: '导入成功' });
+            } else {
+                ElMessage({ type: 'error', message: 'JSON 格式应为数组' });
+            }
+        } catch (err) {
+            ElMessage({ type: 'error', message: '读取失败' });
+        }
+    };
+    reader.readAsText(f);
+}
+
+async function importFromFileObject(file: File) {
+    const txt = await file.text();
+    try {
+        const parsed = JSON.parse(txt);
+        if (Array.isArray(parsed)) {
+            history.value = parsed.concat(history.value);
+            saveHistory();
+            ElMessage({ type: 'success', message: '导入成功' });
+        }
+    } catch (e) {
+        ElMessage({ type: 'error', message: '导入失败' });
+    }
+}
+
+// allow user to provide file input programmatically
+const importHandler = (e: any) => onImportFile(e);
+
+// expose refs
+const highlightedCss = computed(() => {
+    // simple HTML-escape
+    const esc = (s: string) => s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+    return esc(css.value || '');
+});
+</script>
+
+<style lang="scss" scoped>
+/* 使用 Tailwind 做布局，局部用 SCSS 做样式 */
+textarea {
+    outline: none;
+}
+pre {
+    white-space: pre-wrap;
+}
+</style>
+
+<!--
+  说明：
+  1) 本组件为单文件 Vue 3 组件（setup 语法）。
+  2) 依赖：Element Plus、TailwindCSS、Vue3。请在你的项目中按常规引入。
+  3) SCSS 编译使用 sass.js (WASM 版或同步版)。组件会尝试按顺序：
+     a) 使用 window.Sass（如果你在 index.html 通过 CDN 事先引入）
+     b) 动态加载 https://cdn.jsdelivr.net/npm/sass.js@0.11.1/dist/sass.sync.js
+     c) 如果加载失败，组件会使用非常有限的回退逻辑（仅支持变量替换与简单嵌套扁平化）。
+  4) 历史会保存在 localStorage（键名：scss_history），并且可以导出为 JSON 文件或导入历史 JSON。
+  5) 如果你不想让组件加载远端脚本，请在 index.html 中手动引入 sass.js：
+     <script src="https://cdn.jsdelivr.net/npm/sass.js@0.11.1/dist/sass.sync.js"></script>
+  -->