.sp-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.sp-item {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: center;
}

.sp-thumb {
    max-width: 100%;
    height: auto;
    cursor: pointer;
}

.sp-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
}

.sp-modal-content {
    background: #fff;
    margin: 10% auto;
    padding: 20px;
    max-width: 500px;
    text-align: center;
}

.sp-close {
    float: right;
    cursor: pointer;
}