sanbuphy
ad95658a11
- Add NavGrid.vue and NavCard.vue components for better navigation layout - Restructure stage-0 index pages across languages into intro.md with new navigation components - Remove old stage-0 index.md files and update stage-3 pages similarly - Add new dependencies 'claude' and 'codex' to package.json - Improve code formatting in multiple Vue components for better readability - Update documentation content and structure for better user experience
323 lines
8.0 KiB
Vue
323 lines
8.0 KiB
Vue
<template>
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<div class="rule-learning-demo">
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<el-card shadow="hover">
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<template #header>
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<div class="card-header">
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<h4>规则 vs 学习</h4>
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<p class="subtitle">
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对比：你写阈值 (规则) vs 让模型从数据里"推断"阈值 (学习)
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</p>
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</div>
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</template>
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<el-row :gutter="20">
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<!-- Rule Based -->
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<el-col :xs="24" :md="12" class="mb-4-xs">
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<el-card shadow="never" class="panel-card">
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<template #header>
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<div class="panel-title">规则系统（手写 If/Else）</div>
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</template>
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<div class="panel-content">
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<div class="control-row">
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<span class="label">阈值 size ></span>
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<el-input-number
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v-model="ruleThreshold"
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:min="1"
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:max="10"
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size="small"
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/>
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<span class="text-xs text-gray">（必须明确写出）</span>
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</div>
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<div class="control-row mt-4">
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<span class="label">测试输入 size</span>
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<el-slider
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v-model="testInput"
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:min="1"
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:max="10"
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show-input
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input-size="small"
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class="flex-1"
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/>
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</div>
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<div
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class="result-box mt-4"
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:class="{
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good: ruleResult.label === '🍎',
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bad: ruleResult.label === '🍒'
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}"
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>
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<div class="result-title">输出</div>
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<div class="result-value">{{ ruleResult.text }}</div>
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<div class="result-code">
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if (size > {{ ruleThreshold }}) return 🍎 else return 🍒
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</div>
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</div>
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<el-alert
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title="当环境变化（比如'苹果平均变小了'），你需要手动改规则；规则越多，维护成本越高。"
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type="warning"
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:closable="false"
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class="mt-4"
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/>
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</div>
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</el-card>
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</el-col>
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<!-- Machine Learning -->
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<el-col :xs="24" :md="12">
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<el-card shadow="never" class="panel-card">
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<template #header>
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<div class="panel-title">机器学习（从样本推断边界）</div>
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</template>
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<div class="panel-content">
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<div class="control-row">
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<el-input-number
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v-model="newSize"
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:min="1"
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:max="10"
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size="small"
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placeholder="Size"
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/>
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<el-select
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v-model="newLabel"
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size="small"
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placeholder="Label"
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style="width: 120px"
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>
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<el-option label="🍒 樱桃" value="🍒" />
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<el-option label="🍎 苹果" value="🍎" />
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</el-select>
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<el-button type="primary" size="small" @click="addSample"
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>添加样本</el-button
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>
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</div>
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<div class="samples-area mt-4">
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<el-empty
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v-if="trainingData.length === 0"
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description="还没有样本：先添加 2-4 个样本再训练"
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:image-size="40"
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/>
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<div v-else class="sample-chips">
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<el-tag
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v-for="(p, i) in trainingData"
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:key="p.id"
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closable
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@close="removeSample(i)"
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:type="p.label === '🍎' ? 'danger' : 'info'"
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effect="plain"
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>
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{{ p.size }} → {{ p.label }}
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</el-tag>
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</div>
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</div>
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<div class="actions mt-4 flex gap-2">
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<el-button
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type="success"
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@click="train"
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:disabled="trainingData.length < 2"
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>
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训练（推断阈值）
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</el-button>
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<el-button @click="resetLearning">重置</el-button>
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</div>
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<div v-if="learnedThreshold !== null" class="learned-result mt-4">
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<el-alert
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type="success"
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:closable="false"
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show-icon
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title="学习完成！"
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>
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<p>
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模型推断出阈值应为: <strong>{{ learnedThreshold }}</strong>
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</p>
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<p class="text-xs">
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(大于 {{ learnedThreshold }} 是苹果，否则是樱桃)
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</p>
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</el-alert>
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</div>
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</div>
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</el-card>
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</el-col>
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</el-row>
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</el-card>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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// Rule Based Logic
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const ruleThreshold = ref(5)
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const testInput = ref(6)
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const ruleResult = computed(() => {
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if (testInput.value > ruleThreshold.value) {
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return { label: '🍎', text: '🍎 苹果' }
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} else {
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return { label: '🍒', text: '🍒 樱桃' }
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}
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})
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// ML Logic
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const newSize = ref(5)
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const newLabel = ref('🍎')
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const trainingData = ref([
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{ id: 1, size: 2, label: '🍒' },
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{ id: 2, size: 8, label: '🍎' }
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])
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const learnedThreshold = ref(null)
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const addSample = () => {
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trainingData.value.push({
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id: Date.now(),
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size: newSize.value,
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label: newLabel.value
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})
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}
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const removeSample = (index) => {
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trainingData.value.splice(index, 1)
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}
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const resetLearning = () => {
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trainingData.value = []
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learnedThreshold.value = null
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}
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const train = () => {
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// Simple "training": find the boundary between cherry and apple
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// Sort data by size
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const sorted = [...trainingData.value].sort((a, b) => a.size - b.size)
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// Find the first Apple
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const firstAppleIndex = sorted.findIndex((item) => item.label === '🍎')
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if (firstAppleIndex === -1) {
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// All cherries
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learnedThreshold.value = 10
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} else if (firstAppleIndex === 0) {
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// All apples
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learnedThreshold.value = 0
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} else {
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// Boundary is between last cherry and first apple
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const lastCherry = sorted[firstAppleIndex - 1]
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const firstApple = sorted[firstAppleIndex]
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learnedThreshold.value = (lastCherry.size + firstApple.size) / 2
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}
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}
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</script>
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<style scoped>
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.rule-learning-demo {
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margin: 20px 0;
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}
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.card-header h4 {
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margin: 0;
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font-size: 16px;
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font-weight: 600;
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}
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.subtitle {
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font-size: 13px;
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color: var(--vp-c-text-2);
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margin: 4px 0 0;
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}
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.panel-title {
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font-weight: bold;
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font-size: 14px;
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}
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.control-row {
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display: flex;
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align-items: center;
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gap: 8px;
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flex-wrap: wrap;
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}
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.label {
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font-size: 14px;
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}
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.text-xs {
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font-size: 12px;
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}
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.text-gray {
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color: var(--vp-c-text-2);
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}
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.flex-1 {
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flex: 1;
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}
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.mt-4 {
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margin-top: 16px;
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}
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.mb-4-xs {
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margin-bottom: 20px;
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}
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@media (min-width: 992px) {
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.mb-4-xs {
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margin-bottom: 0;
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}
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}
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.result-box {
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background-color: var(--vp-c-bg-alt);
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padding: 12px;
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border-radius: 8px;
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border: 1px solid var(--vp-c-divider);
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text-align: center;
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}
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.result-box.good {
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border-color: var(--el-color-danger);
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background-color: var(--el-color-danger-light-9);
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}
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.result-box.bad {
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border-color: var(--el-color-primary);
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background-color: var(--el-color-primary-light-9);
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}
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.result-title {
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font-size: 12px;
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color: var(--vp-c-text-2);
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text-transform: uppercase;
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}
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.result-value {
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font-size: 24px;
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font-weight: bold;
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margin: 8px 0;
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}
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.result-code {
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font-family: monospace;
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font-size: 12px;
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background-color: rgba(0, 0, 0, 0.05);
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padding: 4px;
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border-radius: 4px;
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}
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.sample-chips {
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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min-height: 40px;
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}
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.gap-2 {
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gap: 8px;
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}
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</style>
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