.stn-frontend-tracking {
    margin: 20px 0;
    padding: 16px;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
}

.stn-frontend-tracking h3 {
    margin: 0 0 12px 0;
    font-size: 16px;
}

.stn-timeline {
    margin-top: 8px;
    padding-left: 16px;
    border-left: 2px solid #ddd;
}

.stn-timeline > div {
    margin-bottom: 10px;
    padding-left: 10px;
    position: relative;
}

.stn-timeline > div::before {
    content: '';
    position: absolute;
    left: -21px;
    top: 5px;
    width: 8px;
    height: 8px;
    background: #2271b1;
    border-radius: 50%;
}

@media (max-width: 600px) {
    .stn-frontend-tracking {
        padding: 12px;
    }
    .stn-frontend-tracking h3 {
        font-size: 14px;
    }
}