.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 进度条容器样式 */
.progress-container {
    display: flex;
    justify-content: center;
    align-items: center; /* 垂直居中对齐 */
    gap: 12px;
    margin-bottom: 20px;
    height: 60px; /* 固定容器高度 */
}

/* 进度条样式 - 竖向方块 */
.progress-bar {
    width: 15px;  /* 横向宽度 */
    height: 50px; /* 竖向高度 */
    background-color: #ffd700;
    border-radius: 3px;
    /* 移除初始缩放，直接显示 */
}

/* 进度条缩放动画类 */
.progress-bar.scale-animation {
    animation: scaleEffect 1s ease-in-out forwards;
}

@keyframes scaleEffect {
    0% { transform: scaleY(1); } /* 初始高度 */
    50% { transform: scaleY(1.5); } /* 放大到150% */
    100% { transform: scaleY(1); } /* 恢复原高度 */
}

/* 文字样式 - 带金色光晕效果 */
.loading-text {
    color: #ffd700;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.8),
    0 0 10px rgba(255, 215, 0, 0.5),
    0 0 15px rgba(255, 215, 0, 0.3);
    letter-spacing: 1px;
    opacity: 0; /* 初始隐藏文字 */
    transition: opacity 0.3s ease;
}

.loading-overlay.active .loading-text {
    opacity: 1; /* 激活时显示文字 */
}