/* 数据概览卡片 */
        .dashboard-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
            margin-bottom: 24px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
            box-shadow: var(--shadow);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .stat-card .stat-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: color-mix(in srgb, var(--text) 60%, transparent);
        }

        .stat-card .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .stat-card.income .stat-value {
            color: var(--income-color);
        }

        .stat-card.expense .stat-value {
            color: var(--expense-color);
        }

        .stat-card.balance .stat-value {
            color: var(--main);
        }

        .stat-card.order .stat-value {
            color: var(--order-color);
        }

        .stat-card .stat-actions {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .stat-card .stat-actions button {
            padding: 4px 10px;
            font-size: 0.8rem;
            border: 1px solid var(--border);
            background: var(--btn-bg);
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--text);
        }

        .stat-card .stat-actions button:hover {
            background: var(--main);
            color: white;
            border-color: var(--main);
        }