/* 加载对话框样式 */
.loading-dialog {
    /* display: none; */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(239, 247, 235, 0.6);
    z-index: 1000;
    text-align: center;
    padding-top: 20%;
    color: #333;
}

.loading-spinner {
    border: 4px solid rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    border-top: 4px solid black;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

/* 旋转动画 */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 内容区域隐藏类 */
.hidden {
    display: none;
}