.tu-upload-area {
    border: 2px dashed #d0d5e0;
    border-radius: 14px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: #fafbfe;
}

.tu-upload-area:hover,
.tu-upload-area.dragover {
    border-color: #4e7cf5;
    background: #eef3ff;
}

.tu-upload-area i {
    font-size: 36px;
    color: #4e7cf5;
    margin-bottom: 12px;
}

.tu-upload-area p {
    font-size: 15px;
    color: #5a6475;
    margin: 4px 0;
    line-height: 1.6;
}

.tu-img-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.tu-img-item {
    border: 1px solid #e8ecf2;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    background: #fff;
}

.tu-img-item img {
    width: 100%;
    display: block;
    aspect-ratio: 1;
    object-fit: cover;
    background: #f8faff;
}

.tu-img-item-info {
    padding: 8px 10px;
    font-size: 14px;
    color: #5a6475;
}