/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 缩放动画 */
@keyframes scaleUp {
    from {
        transform: scale(0.95);
    }
    to {
        transform: scale(1);
    }
}

/* 通用动画类 */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-scale-up {
    animation: scaleUp 0.3s ease-out forwards;
}

/* 延迟动画类 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* 交互效果 */
.hover-scale {
    transition: all 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-shadow {
    transition: all 0.3s ease;
}

.hover-shadow:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #FF9F43;
}

/* 按钮交互 */
.btn-hover {
    transition: all 0.3s ease;
}

.btn-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 159, 67, 0.2);
}

.btn-hover:active {
    transform: translateY(0);
}

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

/* 内容区块动画 */
.content-block {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.content-block.visible {
    opacity: 1;
    transform: translateY(0);
}