/* ============================================
   漏斗图页面样式
   ============================================ */
.funnel-body {
    grid-template-columns: 1fr 400px;
}

.funnel-calculator {
    max-height: none;
}

/* 效率分析网格 */
.efficiency-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.efficiency-card {
    background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.efficiency-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.efficiency-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.efficiency-icon {
    font-size: 1.5rem;
}

.efficiency-header h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

.efficiency-body {
    text-align: center;
}

.efficiency-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.efficiency-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    border-top: 1px dashed var(--border-color);
    border-bottom: 1px dashed var(--border-color);
}

.efficiency-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

@media (max-width: 1024px) {
    .funnel-body {
        grid-template-columns: 1fr;
    }
    
    .efficiency-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .efficiency-grid {
        grid-template-columns: 1fr;
    }
}