/* 加载动画样式 */
.loading-overlay {
    position: absolute;
    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: 10;
    transition: opacity 0.3s;
}

.loading-spinner {
    width: 50px;
    height: 58px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 15px;
}

.loading-text {
    color: white;
    font-size: 16px;
}

/* 播放按钮样式 */
.play-button-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
    opacity: 0;
    transition: opacity 0.3s;
}

.play-button {
    font-size: 80px;
    color: rgba(255, 255, 255, 0.8);
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
    transition: transform 0.2s, color 0.2s;
}

.play-button:hover {
    color: #fff;
    transform: scale(1.1);
}

/*
.play-button-overlay:hover {
    opacity: 1 !important;
}
*/

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