sanbuphy
1134 lines
25 KiB
Vue
1134 lines
25 KiB
Vue
<template>
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<div class="demo ab-testing-demo">
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<div class="header">
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<span class="icon">🧪</span>
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<span class="title">A/B 测试交互演示</span>
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</div>
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<div class="tabs">
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<button
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v-for="tab in tabs"
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:key="tab.id"
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:class="['tab', { active: activeTab === tab.id }]"
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@click="activeTab = tab.id"
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>
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{{ tab.icon }} {{ tab.name }}
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</button>
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</div>
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<!-- 流量分配演示 -->
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<div v-if="activeTab === 'traffic'" class="content">
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<h4>流量分配可视化</h4>
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<p class="desc">观察用户如何被随机分配到对照组（A组）和实验组（B组）</p>
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<div class="traffic-split">
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<div class="split-container">
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<div class="group group-a" :style="{ width: trafficSplit + '%' }">
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<div class="group-label">A组 (对照组)</div>
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<div class="group-percent">{{ trafficSplit }}%</div>
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</div>
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<div
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class="group group-b"
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:style="{ width: 100 - trafficSplit + '%' }"
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>
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<div class="group-label">B组 (实验组)</div>
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<div class="group-percent">{{ 100 - trafficSplit }}%</div>
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</div>
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</div>
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</div>
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<div class="traffic-controls">
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<button class="btn-primary" @click="allocateUser">
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👤 分配1个用户
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</button>
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<button class="btn-secondary" @click="allocateBatch">
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👥 分配100个用户
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</button>
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<button class="btn-tertiary" @click="resetTraffic">🔄 重置</button>
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</div>
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<div class="traffic-stats">
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<div class="stat-item">
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<span class="stat-label">总用户数</span>
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<span class="stat-value">{{ totalUsers }}</span>
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</div>
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<div class="stat-item">
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<span class="stat-label">A组用户</span>
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<span class="stat-value">{{ groupAUsers }}</span>
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</div>
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<div class="stat-item">
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<span class="stat-label">B组用户</span>
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<span class="stat-value">{{ groupBUsers }}</span>
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</div>
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</div>
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<div class="tips">
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<span class="tips-icon">💡</span>
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<span class="tips-text">50/50分配能最快检测出差异，确保两组样本量足够大以获得统计显著性</span>
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</div>
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</div>
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<!-- 结果对比演示 -->
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<div v-if="activeTab === 'results'" class="content">
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<h4>A/B组结果对比</h4>
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<p class="desc">比较两组的转化率和统计显著性</p>
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<div class="comparison-settings">
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<div class="setting-item">
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<label>A组转化率（基准）</label>
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<input
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v-model.number="conversionA"
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type="number"
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min="1"
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max="50"
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step="0.5"
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class="number-input"
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/>
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<span class="unit">%</span>
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</div>
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<div class="setting-item">
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<label>B组转化率</label>
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<input
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v-model.number="conversionB"
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type="number"
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min="1"
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max="50"
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step="0.5"
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class="number-input"
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/>
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<span class="unit">%</span>
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</div>
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<div class="setting-item">
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<label>每组样本量</label>
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<input
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v-model.number="sampleSize"
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type="number"
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min="100"
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max="100000"
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step="100"
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class="number-input"
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/>
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</div>
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</div>
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<div class="results-comparison">
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<div class="result-card result-a">
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<div class="card-header">A组（对照组）</div>
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<div class="card-metric">
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<span class="metric-label">转化率</span>
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<span class="metric-value">{{ conversionA }}%</span>
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</div>
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<div class="card-metric">
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<span class="metric-label">转化数</span>
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<span class="metric-value">{{ conversionsA }}</span>
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</div>
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<div class="card-metric">
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<span class="metric-label">样本量</span>
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<span class="metric-value">{{ sampleSize }}</span>
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</div>
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</div>
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<div class="vs-divider">VS</div>
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<div class="result-card result-b">
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<div class="card-header">B组（实验组）</div>
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<div class="card-metric">
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<span class="metric-label">转化率</span>
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<span class="metric-value">{{ conversionB }}%</span>
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</div>
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<div class="card-metric">
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<span class="metric-label">转化数</span>
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<span class="metric-value">{{ conversionsB }}</span>
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</div>
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<div class="card-metric">
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<span class="metric-label">样本量</span>
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<span class="metric-value">{{ sampleSize }}</span>
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</div>
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</div>
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</div>
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<div class="statistical-summary">
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<div class="summary-item">
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<span class="summary-label">相对提升</span>
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<span
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class="summary-value"
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:class="{
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positive: relativeLift > 0,
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negative: relativeLift < 0,
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neutral: relativeLift === 0
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}"
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>
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{{ relativeLift > 0 ? '+' : '' }}{{ relativeLift.toFixed(2) }}%
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</span>
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</div>
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<div class="summary-item">
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<span class="summary-label">Z值</span>
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<span class="summary-value">{{ zScore.toFixed(3) }}</span>
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</div>
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<div class="summary-item">
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<span class="summary-label">P值</span>
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<span class="summary-value">{{ pValue.toFixed(5) }}</span>
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</div>
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<div class="summary-item">
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<span class="summary-label">统计显著性</span>
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<span
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class="summary-value significance"
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:class="{
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significant: isSignificant,
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'not-significant': !isSignificant
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}"
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>
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{{ isSignificant ? '显著 ✅' : '不显著 ❌' }}
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</span>
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</div>
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</div>
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<div class="confidence-interval">
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<div class="ci-header">95%置信区间</div>
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<div class="ci-values">
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<span class="ci-bound">{{ ciLower.toFixed(2) }}%</span>
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<span class="ci-arrow">← 真实差异 →</span>
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<span class="ci-bound">{{ ciUpper.toFixed(2) }}%</span>
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</div>
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<div class="ci-note">我们有95%的信心认为，真实差异在这个区间内</div>
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</div>
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<div class="tips">
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<span class="tips-icon">💡</span>
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<span class="tips-text">P值 < 0.05 表示结果统计显著，说明差异不太可能是随机产生的</span>
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</div>
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</div>
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<!-- 样本量计算器 -->
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<div v-if="activeTab === 'calculator'" class="content">
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<h4>样本量计算器</h4>
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<p class="desc">计算达到统计显著性所需的最小样本量</p>
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<div class="calc-inputs">
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<div class="input-group">
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<label>基准转化率</label>
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<div class="input-wrapper">
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<input
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v-model.number="baselineRate"
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type="number"
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min="1"
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max="50"
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step="0.5"
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class="number-input"
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/>
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<span class="unit">%</span>
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</div>
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<span class="input-hint">当前版本的转化率</span>
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</div>
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<div class="input-group">
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<label>最小检测提升</label>
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<div class="input-wrapper">
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<input
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v-model.number="minimumDetectable"
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type="number"
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min="1"
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max="100"
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step="1"
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class="number-input"
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/>
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<span class="unit">%</span>
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</div>
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<span class="input-hint">希望检测到的最小相对提升（相对值）</span>
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</div>
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<div class="input-group">
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<label>显著性水平 (α)</label>
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<select v-model.number="alpha" class="select-input">
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<option :value="0.01">0.01 (99%置信度)</option>
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<option :value="0.05">0.05 (95%置信度) - 推荐</option>
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<option :value="0.1">0.1 (90%置信度)</option>
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</select>
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<span class="input-hint">犯第一类错误的概率</span>
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</div>
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<div class="input-group">
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<label>统计功效 (1-β)</label>
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<select v-model.number="power" class="select-input">
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<option :value="0.7">70%</option>
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<option :value="0.8">80% - 推荐</option>
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<option :value="0.9">90%</option>
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</select>
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<span class="input-hint">检测到真实效应的概率</span>
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</div>
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</div>
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<button class="btn-primary btn-calc" @click="calculateSampleSize">
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🧮 计算所需样本量
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</button>
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<div v-if="calculatedSampleSize > 0" class="calc-results">
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<div class="result-highlight">
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<div class="highlight-label">每组所需样本量</div>
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<div class="highlight-value">
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{{ calculatedSampleSize.toLocaleString() }}
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</div>
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</div>
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<div class="result-details">
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<div class="detail-row">
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<span class="detail-label">总样本量（A+B组）</span>
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<span class="detail-value">{{
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(calculatedSampleSize * 2).toLocaleString()
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}}</span>
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</div>
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<div class="detail-row">
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<span class="detail-label">目标转化率（实验组）</span>
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<span class="detail-value">{{ targetRate }}%</span>
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</div>
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<div class="detail-row">
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<span class="detail-label">绝对差异</span>
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<span class="detail-value">{{ absoluteDifference }}%</span>
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</div>
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<div class="detail-row">
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<span class="detail-label">检测时长估算</span>
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<span class="detail-value">{{ estimatedDays }}</span>
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</div>
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</div>
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</div>
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<div class="tips">
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<span class="tips-icon">💡</span>
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<span class="tips-text">提升目标越小，所需样本量越大。5%的提升比20%的提升需要更多样本</span>
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</div>
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</div>
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<!-- 常见误区 -->
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<div v-if="activeTab === 'pitfalls'" class="content">
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<h4>A/B测试常见误区</h4>
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<div class="pitfall-list">
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<div v-for="pitfall in pitfalls" :key="pitfall.id" class="pitfall-card">
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<div class="pitfall-header">
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<span class="pitfall-icon">{{ pitfall.icon }}</span>
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<span class="pitfall-title">{{ pitfall.title }}</span>
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</div>
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<div class="pitfall-desc">{{ pitfall.description }}</div>
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<div class="pitfall-example">
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<strong>示例：</strong>{{ pitfall.example }}
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</div>
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<div class="pitfall-solution">
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<strong>✅ 解决方案：</strong>{{ pitfall.solution }}
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</div>
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</div>
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</div>
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</div>
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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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const activeTab = ref('traffic')
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const tabs = [
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{ id: 'traffic', icon: '🚦', name: '流量分配' },
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{ id: 'results', icon: '📊', name: '结果对比' },
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{ id: 'calculator', icon: '🧮', name: '样本量计算' },
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{ id: 'pitfalls', icon: '⚠️', name: '常见误区' }
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]
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// 流量分配相关
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const groupAUsers = ref(500)
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const groupBUsers = ref(500)
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const totalUsers = computed(() => groupAUsers.value + groupBUsers.value)
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const trafficSplit = computed(() => {
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if (totalUsers.value === 0) return 50
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return Math.round((groupAUsers.value / totalUsers.value) * 100)
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})
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function allocateUser() {
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if (Math.random() < 0.5) {
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groupAUsers.value++
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} else {
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groupBUsers.value++
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}
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}
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function allocateBatch() {
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for (let i = 0; i < 100; i++) {
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allocateUser()
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}
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}
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function resetTraffic() {
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groupAUsers.value = 500
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groupBUsers.value = 500
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}
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// 结果对比相关
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const conversionA = ref(5.0)
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const conversionB = ref(6.0)
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const sampleSize = ref(10000)
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const conversionsA = computed(
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() => Math.round((conversionA.value / 100) * sampleSize.value)
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)
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const conversionsB = computed(
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() => Math.round((conversionB.value / 100) * sampleSize.value)
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)
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const relativeLift = computed(() => {
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if (conversionA.value === 0) return 0
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return ((conversionB.value - conversionA.value) / conversionA.value) * 100
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})
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// Z-score计算
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const zScore = computed(() => {
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const p1 = conversionA.value / 100
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const p2 = conversionB.value / 100
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const n1 = sampleSize.value
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const n2 = sampleSize.value
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const pooledP = (conversionsA.value + conversionsB.value) / (n1 + n2)
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const se = Math.sqrt(pooledP * (1 - pooledP) * (1 / n1 + 1 / n2))
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if (se === 0) return 0
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return (p2 - p1) / se
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})
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const pValue = computed(() => {
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const z = Math.abs(zScore.value)
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// 使用标准正态分布的近似
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return 2 * (1 - normalCDF(z))
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})
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function normalCDF(x) {
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// 标准正态分布累积分布函数近似
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const a1 = 0.254829592
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const a2 = -0.284496736
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const a3 = 1.421413741
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const a4 = -1.453152027
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const a5 = 1.061405429
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const p = 0.3275911
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const sign = x < 0 ? -1 : 1
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x = Math.abs(x) / Math.sqrt(2)
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const t = 1.0 / (1.0 + p * x)
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const y =
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1.0 -
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(((((a5 * t + a4) * t) + a3) * t + a2) * t + a1) * t * Math.exp(-x * x)
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return 0.5 * (1.0 + sign * y)
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}
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const isSignificant = computed(() => pValue.value < 0.05)
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// 95%置信区间
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const ciLower = computed(() => {
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const diff = conversionB.value - conversionA.value
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const p1 = conversionA.value / 100
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const p2 = conversionB.value / 100
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const n = sampleSize.value
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const se = Math.sqrt((p1 * (1 - p1)) / n + (p2 * (1 - p2)) / n)
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const margin = 1.96 * se * 100 // 1.95996是95%置信区间的z值
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return diff - margin
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})
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const ciUpper = computed(() => {
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const diff = conversionB.value - conversionA.value
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const p1 = conversionA.value / 100
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const p2 = conversionB.value / 100
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const n = sampleSize.value
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const se = Math.sqrt((p1 * (1 - p1)) / n + (p2 * (1 - p2)) / n)
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const margin = 1.96 * se * 100
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return diff + margin
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})
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// 样本量计算器相关
|
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const baselineRate = ref(5.0)
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const minimumDetectable = ref(20)
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const alpha = ref(0.05)
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const power = ref(0.8)
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const calculatedSampleSize = ref(0)
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const targetRate = computed(
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() => (baselineRate.value * (1 + minimumDetectable.value / 100)).toFixed(2)
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)
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const absoluteDifference = computed(
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() => (targetRate.value - baselineRate.value).toFixed(2)
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)
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const estimatedDays = computed(() => {
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const dailyVisitors = 5000 // 假设每日5000访客
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const totalNeeded = calculatedSampleSize.value * 2
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const days = Math.ceil(totalNeeded / dailyVisitors)
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return `约 ${days} 天`
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})
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function calculateSampleSize() {
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const p1 = baselineRate.value / 100
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const p2 = targetRate.value / 100
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const constZa = 1.96 // alpha = 0.05对应的z值
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const constZb = 0.84 // power = 0.8对应的z值
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// 合并标准差
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const pBar = (p1 + p2) / 2
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const sd1 = Math.sqrt(2 * pBar * (1 - pBar))
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const sd2 = Math.sqrt(p1 * (1 - p1) + p2 * (1 - p2))
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// 简化的样本量公式
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const n =
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(Math.pow(constZa * sd1 + constZb * sd2, 2)) / Math.pow(p2 - p1, 2)
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||
calculatedSampleSize.value = Math.ceil(n)
|
||
}
|
||
|
||
// 常见误区数据
|
||
const pitfalls = [
|
||
{
|
||
id: 'early-stop',
|
||
icon: '🛑',
|
||
title: '过早停止实验',
|
||
description:
|
||
'看到结果"显著"就立即停止实验，实际上只是随机波动',
|
||
example:
|
||
'运行2天后发现B组领先，立即宣布胜利。但继续运行一周后，差异消失。',
|
||
solution: '预先计算所需样本量，运行完整周期（至少2周）后再做决策'
|
||
},
|
||
{
|
||
id: 'peeking',
|
||
icon: '👁️',
|
||
title: '频繁窥探结果',
|
||
description: '每天查看数据，一旦"显著"就停止，这会大幅增加假阳性率',
|
||
example:
|
||
'每天检查p值，看到<0.05就停止。这种做法会让假阳性率从5%飙升到30%+。',
|
||
solution: '使用序贯检验方法，或预先设定唯一的检查点'
|
||
},
|
||
{
|
||
id: 'simpson',
|
||
icon: '🔄',
|
||
title: '辛普森悖论',
|
||
description: '分组看B组更差，但合并后B组反而更好（或相反）',
|
||
example:
|
||
'移动端转化率B>A，桌面端也是B>A，但合并后却A>B。原因：流量分配不均。',
|
||
solution: '按流量来源、设备、用户群体等维度分别分析，验证随机化是否正确'
|
||
},
|
||
{
|
||
id: 'p-hacking',
|
||
icon: '🔬',
|
||
title: 'P值操纵（P-hacking）',
|
||
description: '通过尝试不同指标、不同子群体，直到找到"显著"结果',
|
||
example:
|
||
'主指标不显著，就按年龄、地区、设备细分，发现某个子群显著就宣称成功。',
|
||
solution: '预先注册假设和指标，只分析预先设定的指标'
|
||
},
|
||
{
|
||
id: 'novelty',
|
||
icon: '✨',
|
||
title: '新奇效应',
|
||
description: '用户因好奇点击新功能，导致短期数据虚高',
|
||
example:
|
||
'新按钮上线首周点击率提升30%，但三周后回落到原水平甚至更低。',
|
||
solution: '运行足够长的时间（至少2-4周），让新奇效应消退'
|
||
},
|
||
{
|
||
id: 'underpowered',
|
||
icon: '🔋',
|
||
title: '样本量不足',
|
||
description: '样本量太小，即使有真实差异也检测不出来',
|
||
example:
|
||
'预期提升5%，但只运行了1000样本，结果"不显著"就放弃，实际上需要30000样本。',
|
||
solution: '实验前计算所需样本量，确保统计功效≥80%'
|
||
}
|
||
]
|
||
</script>
|
||
|
||
<style scoped>
|
||
.ab-testing-demo {
|
||
font-family:
|
||
-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
|
||
}
|
||
|
||
.header {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 8px;
|
||
margin-bottom: 16px;
|
||
}
|
||
|
||
.icon {
|
||
font-size: 24px;
|
||
}
|
||
|
||
.title {
|
||
font-size: 18px;
|
||
font-weight: 600;
|
||
color: #2c3e50;
|
||
}
|
||
|
||
.tabs {
|
||
display: flex;
|
||
gap: 8px;
|
||
margin-bottom: 20px;
|
||
flex-wrap: wrap;
|
||
}
|
||
|
||
.tab {
|
||
padding: 8px 16px;
|
||
border: 1px solid #e2e8f0;
|
||
border-radius: 6px;
|
||
background: #f8fafc;
|
||
cursor: pointer;
|
||
transition: all 0.2s;
|
||
font-size: 14px;
|
||
}
|
||
|
||
.tab:hover {
|
||
background: #e2e8f0;
|
||
}
|
||
|
||
.tab.active {
|
||
background: #3b82f6;
|
||
color: white;
|
||
border-color: #3b82f6;
|
||
}
|
||
|
||
.content {
|
||
background: #f8fafc;
|
||
border-radius: 8px;
|
||
padding: 20px;
|
||
}
|
||
|
||
.content h4 {
|
||
margin: 0 0 8px 0;
|
||
font-size: 16px;
|
||
color: #1e293b;
|
||
}
|
||
|
||
.desc {
|
||
color: #64748b;
|
||
font-size: 14px;
|
||
margin-bottom: 16px;
|
||
}
|
||
|
||
/* 流量分配样式 */
|
||
.traffic-split {
|
||
margin-bottom: 20px;
|
||
}
|
||
|
||
.split-container {
|
||
display: flex;
|
||
height: 120px;
|
||
border-radius: 8px;
|
||
overflow: hidden;
|
||
border: 2px solid #e2e8f0;
|
||
}
|
||
|
||
.group {
|
||
display: flex;
|
||
flex-direction: column;
|
||
justify-content: center;
|
||
align-items: center;
|
||
transition: width 0.3s ease;
|
||
}
|
||
|
||
.group-a {
|
||
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
|
||
color: white;
|
||
}
|
||
|
||
.group-b {
|
||
background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
|
||
color: white;
|
||
}
|
||
|
||
.group-label {
|
||
font-size: 14px;
|
||
font-weight: 600;
|
||
margin-bottom: 8px;
|
||
}
|
||
|
||
.group-percent {
|
||
font-size: 32px;
|
||
font-weight: 700;
|
||
}
|
||
|
||
.traffic-controls {
|
||
display: flex;
|
||
gap: 12px;
|
||
margin-bottom: 20px;
|
||
flex-wrap: wrap;
|
||
}
|
||
|
||
.btn-primary,
|
||
.btn-secondary,
|
||
.btn-tertiary,
|
||
.btn-calc {
|
||
padding: 10px 20px;
|
||
border: none;
|
||
border-radius: 6px;
|
||
font-size: 14px;
|
||
font-weight: 500;
|
||
cursor: pointer;
|
||
transition: all 0.2s;
|
||
}
|
||
|
||
.btn-primary {
|
||
background: #3b82f6;
|
||
color: white;
|
||
}
|
||
|
||
.btn-primary:hover {
|
||
background: #2563eb;
|
||
}
|
||
|
||
.btn-secondary {
|
||
background: #8b5cf6;
|
||
color: white;
|
||
}
|
||
|
||
.btn-secondary:hover {
|
||
background: #7c3aed;
|
||
}
|
||
|
||
.btn-tertiary {
|
||
background: #64748b;
|
||
color: white;
|
||
}
|
||
|
||
.btn-tertiary:hover {
|
||
background: #475569;
|
||
}
|
||
|
||
.btn-calc {
|
||
width: 100%;
|
||
margin-top: 16px;
|
||
font-size: 16px;
|
||
padding: 12px;
|
||
}
|
||
|
||
.traffic-stats {
|
||
display: flex;
|
||
gap: 24px;
|
||
padding: 16px;
|
||
background: white;
|
||
border-radius: 8px;
|
||
flex-wrap: wrap;
|
||
}
|
||
|
||
.stat-item {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 4px;
|
||
}
|
||
|
||
.stat-label {
|
||
font-size: 12px;
|
||
color: #64748b;
|
||
}
|
||
|
||
.stat-value {
|
||
font-size: 24px;
|
||
font-weight: 700;
|
||
color: #1e293b;
|
||
}
|
||
|
||
/* 结果对比样式 */
|
||
.comparison-settings {
|
||
display: grid;
|
||
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
|
||
gap: 16px;
|
||
margin-bottom: 20px;
|
||
}
|
||
|
||
.setting-item {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 8px;
|
||
}
|
||
|
||
.setting-item label {
|
||
font-size: 14px;
|
||
font-weight: 500;
|
||
color: #475569;
|
||
}
|
||
|
||
.number-input {
|
||
padding: 8px 12px;
|
||
border: 1px solid #cbd5e1;
|
||
border-radius: 6px;
|
||
font-size: 14px;
|
||
width: 100%;
|
||
box-sizing: border-box;
|
||
}
|
||
|
||
.unit {
|
||
font-size: 14px;
|
||
color: #64748b;
|
||
margin-left: -40px;
|
||
padding-left: 4px;
|
||
}
|
||
|
||
.setting-item {
|
||
position: relative;
|
||
}
|
||
|
||
.setting-item .unit {
|
||
position: absolute;
|
||
right: 12px;
|
||
top: 33px;
|
||
}
|
||
|
||
.setting-item input {
|
||
padding-right: 40px;
|
||
}
|
||
|
||
.results-comparison {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 20px;
|
||
margin-bottom: 20px;
|
||
flex-wrap: wrap;
|
||
}
|
||
|
||
.result-card {
|
||
flex: 1;
|
||
min-width: 200px;
|
||
background: white;
|
||
border-radius: 8px;
|
||
padding: 20px;
|
||
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
|
||
}
|
||
|
||
.result-a {
|
||
border-left: 4px solid #3b82f6;
|
||
}
|
||
|
||
.result-b {
|
||
border-left: 4px solid #f59e0b;
|
||
}
|
||
|
||
.card-header {
|
||
font-size: 16px;
|
||
font-weight: 600;
|
||
margin-bottom: 16px;
|
||
color: #1e293b;
|
||
}
|
||
|
||
.card-metric {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
padding: 8px 0;
|
||
border-bottom: 1px solid #f1f5f9;
|
||
}
|
||
|
||
.card-metric:last-child {
|
||
border-bottom: none;
|
||
}
|
||
|
||
.metric-label {
|
||
font-size: 13px;
|
||
color: #64748b;
|
||
}
|
||
|
||
.metric-value {
|
||
font-size: 15px;
|
||
font-weight: 600;
|
||
color: #1e293b;
|
||
}
|
||
|
||
.vs-divider {
|
||
font-size: 20px;
|
||
font-weight: 700;
|
||
color: #94a3b8;
|
||
padding: 0 8px;
|
||
}
|
||
|
||
.statistical-summary {
|
||
display: grid;
|
||
grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
|
||
gap: 12px;
|
||
margin-bottom: 20px;
|
||
}
|
||
|
||
.summary-item {
|
||
background: white;
|
||
padding: 16px;
|
||
border-radius: 8px;
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 8px;
|
||
}
|
||
|
||
.summary-label {
|
||
font-size: 12px;
|
||
color: #64748b;
|
||
}
|
||
|
||
.summary-value {
|
||
font-size: 20px;
|
||
font-weight: 700;
|
||
color: #1e293b;
|
||
}
|
||
|
||
.summary-value.positive {
|
||
color: #10b981;
|
||
}
|
||
|
||
.summary-value.negative {
|
||
color: #ef4444;
|
||
}
|
||
|
||
.summary-value.neutral {
|
||
color: #64748b;
|
||
}
|
||
|
||
.summary-value.significance.significant {
|
||
color: #10b981;
|
||
}
|
||
|
||
.summary-value.significance.not-significant {
|
||
color: #f59e0b;
|
||
}
|
||
|
||
.confidence-interval {
|
||
background: white;
|
||
padding: 20px;
|
||
border-radius: 8px;
|
||
margin-bottom: 16px;
|
||
}
|
||
|
||
.ci-header {
|
||
font-size: 14px;
|
||
font-weight: 600;
|
||
color: #475569;
|
||
margin-bottom: 12px;
|
||
}
|
||
|
||
.ci-values {
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
gap: 16px;
|
||
font-size: 16px;
|
||
}
|
||
|
||
.ci-bound {
|
||
font-weight: 600;
|
||
color: #3b82f6;
|
||
}
|
||
|
||
.ci-arrow {
|
||
color: #94a3b8;
|
||
font-size: 14px;
|
||
}
|
||
|
||
.ci-note {
|
||
text-align: center;
|
||
font-size: 13px;
|
||
color: #64748b;
|
||
margin-top: 12px;
|
||
}
|
||
|
||
/* 样本量计算器样式 */
|
||
.calc-inputs {
|
||
display: grid;
|
||
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
|
||
gap: 16px;
|
||
margin-bottom: 16px;
|
||
}
|
||
|
||
.input-group {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 8px;
|
||
}
|
||
|
||
.input-group label {
|
||
font-size: 14px;
|
||
font-weight: 500;
|
||
color: #475569;
|
||
}
|
||
|
||
.input-wrapper {
|
||
position: relative;
|
||
display: flex;
|
||
align-items: center;
|
||
}
|
||
|
||
.input-wrapper .unit {
|
||
position: absolute;
|
||
right: 12px;
|
||
top: 50%;
|
||
transform: translateY(-50%);
|
||
margin-left: 0;
|
||
padding-left: 0;
|
||
}
|
||
|
||
.input-wrapper input {
|
||
padding-right: 40px;
|
||
}
|
||
|
||
.select-input {
|
||
padding: 8px 12px;
|
||
border: 1px solid #cbd5e1;
|
||
border-radius: 6px;
|
||
font-size: 14px;
|
||
background: white;
|
||
width: 100%;
|
||
}
|
||
|
||
.input-hint {
|
||
font-size: 12px;
|
||
color: #94a3b8;
|
||
}
|
||
|
||
.calc-results {
|
||
margin-top: 20px;
|
||
}
|
||
|
||
.result-highlight {
|
||
background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
|
||
color: white;
|
||
padding: 24px;
|
||
border-radius: 8px;
|
||
text-align: center;
|
||
margin-bottom: 16px;
|
||
}
|
||
|
||
.highlight-label {
|
||
font-size: 14px;
|
||
opacity: 0.9;
|
||
margin-bottom: 8px;
|
||
}
|
||
|
||
.highlight-value {
|
||
font-size: 36px;
|
||
font-weight: 700;
|
||
}
|
||
|
||
.result-details {
|
||
background: white;
|
||
padding: 16px;
|
||
border-radius: 8px;
|
||
}
|
||
|
||
.detail-row {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
padding: 10px 0;
|
||
border-bottom: 1px solid #f1f5f9;
|
||
}
|
||
|
||
.detail-row:last-child {
|
||
border-bottom: none;
|
||
}
|
||
|
||
.detail-label {
|
||
font-size: 14px;
|
||
color: #64748b;
|
||
}
|
||
|
||
.detail-value {
|
||
font-size: 15px;
|
||
font-weight: 600;
|
||
color: #1e293b;
|
||
}
|
||
|
||
/* 常见误区样式 */
|
||
.pitfall-list {
|
||
display: flex;
|
||
flex-direction: column;
|
||
gap: 16px;
|
||
}
|
||
|
||
.pitfall-card {
|
||
background: white;
|
||
border-radius: 8px;
|
||
padding: 20px;
|
||
border-left: 4px solid #f59e0b;
|
||
}
|
||
|
||
.pitfall-header {
|
||
display: flex;
|
||
align-items: center;
|
||
gap: 12px;
|
||
margin-bottom: 12px;
|
||
}
|
||
|
||
.pitfall-icon {
|
||
font-size: 24px;
|
||
}
|
||
|
||
.pitfall-title {
|
||
font-size: 16px;
|
||
font-weight: 600;
|
||
color: #1e293b;
|
||
}
|
||
|
||
.pitfall-desc {
|
||
font-size: 14px;
|
||
color: #475569;
|
||
margin-bottom: 12px;
|
||
line-height: 1.6;
|
||
}
|
||
|
||
.pitfall-example {
|
||
font-size: 13px;
|
||
color: #64748b;
|
||
margin-bottom: 8px;
|
||
padding: 12px;
|
||
background: #fef3c7;
|
||
border-radius: 6px;
|
||
line-height: 1.6;
|
||
}
|
||
|
||
.pitfall-solution {
|
||
font-size: 13px;
|
||
color: #059669;
|
||
padding: 12px;
|
||
background: #d1fae5;
|
||
border-radius: 6px;
|
||
line-height: 1.6;
|
||
}
|
||
|
||
/* 提示框样式 */
|
||
.tips {
|
||
display: flex;
|
||
gap: 12px;
|
||
background: #fef3c7;
|
||
padding: 16px;
|
||
border-radius: 8px;
|
||
margin-top: 16px;
|
||
}
|
||
|
||
.tips-icon {
|
||
font-size: 20px;
|
||
flex-shrink: 0;
|
||
}
|
||
|
||
.tips-text {
|
||
font-size: 14px;
|
||
color: #92400e;
|
||
line-height: 1.6;
|
||
}
|
||
|
||
/* 响应式 */
|
||
@media (max-width: 768px) {
|
||
.results-comparison {
|
||
flex-direction: column;
|
||
}
|
||
|
||
.vs-divider {
|
||
transform: rotate(90deg);
|
||
}
|
||
|
||
.statistical-summary {
|
||
grid-template-columns: 1fr;
|
||
}
|
||
}
|
||
</style>
|