/* 影响力部分样式 */
.impact {
    padding: 4rem 2rem;
    background-color: var(--background-color);
    text-align: center;
}

.impact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.impact > p {
    color: var(--light-text);
    margin-bottom: 3rem;
    font-size: 1.2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-desc {
    font-size: 1.1rem;
    color: var(--light-text);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}