body { background:#f7f7f7; }
    .container { max-width:1300px; margin-top:20px; }
    .card-box {
        background:#fff;
        padding:20px;
        border-radius:8px;
        box-shadow:0 1px 3px rgba(0,0,0,0.1);
        margin-bottom:20px;
    }
    .stat-number {
        font-size:32px;
        font-weight:700;
        color:#007bff;
    }