.app-toast-fade-enter-active, .app-toast-fade-leave-active {
    transition: opacity 0.5s, transform 0.5s;
}
.app-toast-fade-enter, .app-toast-fade-leave-to /* .app-toast-fade-leave-active in <2.1.8 */ {
    opacity: 0;
    transform: translateY(-20px);
}

.app-toast {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    z-index: 10000;
    font-size: 14px;
    text-align: center;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none; /* 防止点击穿透 */
}

.app-toast.top {
    top: 60px;
}

.app-toast.bottom {
    bottom: 60px;
}

.app-toast.center {
    top: 50%;
    transform: translate(-50%, -50%);
}

.app-toast.primary {

}

.app-toast.warn {
    color: #F56C6C;
    background-color: #fef0f0;
    border-color: #fde2e2;
    
}