/* 创建新的动画CSS文件 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 悬停效果 */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* 按钮动画 */
.btn-animated {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-animated:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    z-index: -1;
}

.btn-animated:hover:after {
    transform: scaleX(1);
    transform-origin: left;
}