/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 应用动画的类 */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.slide-up {
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease forwards;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.8s ease forwards;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.8s ease forwards;
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    animation: scaleIn 0.8s ease forwards;
}

/* 延迟类 */
.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

.delay-5 {
    animation-delay: 1s;
}

/* 滚动时触发的动画 */
.scroll-fade-in {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-fade-in.visible {
    opacity: 1;
}

.scroll-slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 页面过渡动画 */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.page-transition.active {
    transform: translateY(0);
}

.page-transition.exit {
    transform: translateY(-100%);
}

/* 鼠标悬停动画 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* 图片加载淡入效果 */
.img-lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.img-lazy.loaded {
    opacity: 1;
}