/* 自定义动画效果 */
.hover\:shadow-xl {
    transition: all 0.3s ease;
}

.hover\:shadow-xl:hover {
    transform: translateY(-5px);
}

/* 导航栏链接动画 */
nav a {
    position: relative;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* 项目卡片动画 */
.bg-white {
    transition: all 0.3s ease;
}

.bg-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .text-4xl {
        font-size: 2rem;
    }
    
    .text-xl {
        font-size: 1.25rem;
    }
}