/* Toast 通知样式 */
.toast-notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    font-family: 'ZiYouFangHuaTi', sans-serif;
    font-size: 18px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    will-change: opacity; /* 性能优化 */
    pointer-events: none; /* 防止遮挡点击 */
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.toast-notification.show {
    opacity: 1;
    visibility: visible;
}