.stat-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.stat-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.stat-card-content {
    padding: 1rem;
}

/* 圖表區域寬度調整 */
#chart {
    width: 100%;
    height: 300px;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px;
    background-color: #fff;
}

.chart-row {
    display: flex;
    gap: 20px; /* 設置圖表之間的間距 */
    margin-bottom: 20px;
}

.chart-row > div {
    flex: 1; /* 讓每個圖表均分可用空間 */
}