/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 简单的淡入动画 */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

/* 卡片悬停效果 */
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}
.bg-primary {
    --tw-bg-opacity: 1;
    background-color: rgb(30 64 175 / var(--tw-bg-opacity, 1));
}
.text-primary {
    --tw-text-opacity: 1;
    color: rgb(30 64 175 / var(--tw-text-opacity, 1));
}