.container {
    width: 1000px;
    max-width: 100%;
}

.three-cols-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.preview-area {
    width: 100%;
    text-align: center;
}

.preview-area .info {
    margin: 12px 0;
    font-weight: 600;
    color: #555;
}

.dim-badge {
    display: inline-block;
    background: #eef4ff;
    color: #4a90e2;
    border-radius: 12px;
    padding: 2px 10px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 6px;
}

.pages-container {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin: 16px 0;
}

.page-item {
    width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #666;
}

.page-item img {
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.page-item img:hover {
    border-color: #4a90e2;
}

.hidden {
    display: none;
}

.download-btn {
    margin-top: 12px;
    background-color: #4a90e2;
}

.download-btn:hover {
    background-color: #357abd;
}