/* 现代化卡片样式 */
.traffic-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 20px;
    margin: 15px 0;
    transition: transform 0.3s ease;
}

.traffic-card:hover {
    transform: translateY(-5px);
}

/* 响应式表格 */
.traffic-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

/* 图表容器美化 */
.chart-container {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    
    .traffic-card {
        background: #2d2d2d;
    }
}