/* PLT 下载即排料 - loading 遮罩样式 */
#plt-nest-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 18, 34, 0.55);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

#plt-nest-loading-overlay.is-visible {
    display: flex;
}

#plt-nest-loading-overlay .plt-nest-loading-box {
    min-width: 260px;
    max-width: 90vw;
    padding: 32px 40px;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

#plt-nest-loading-overlay .plt-nest-spinner {
    width: 46px;
    height: 46px;
    margin: 0 auto 18px;
    border: 4px solid #e6e8f0;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: plt-nest-spin 0.9s linear infinite;
}

#plt-nest-loading-overlay .plt-nest-loading-text {
    font-size: 17px;
    font-weight: 600;
    color: #222;
    letter-spacing: 0.5px;
}

#plt-nest-loading-overlay .plt-nest-loading-sub {
    margin-top: 8px;
    font-size: 13px;
    color: #888;
}

@keyframes plt-nest-spin {
    to {
        transform: rotate(360deg);
    }
}