/* 平滑过渡效果 */
.top-app-bar,
.nav-drawer,
.card,
.button {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 悬停效果增强 */
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* 点击反馈 */
.button:active {
    transform: scale(0.98);
}