/** 
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 * vue版本动画内置的动画模式有如下: 
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 * fade:淡入 
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 * zoom:缩放 
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 * fade-zoom:缩放淡入 
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 * fade-up:上滑淡入 
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 * fade-down:下滑淡入 
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 * fade-left:左滑淡入 
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 * fade-right:右滑淡入 
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 * slide-up:上滑进入 
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 * slide-down:下滑进入 
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 * slide-left:左滑进入 
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 * slide-right:右滑进入 
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 */  
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$u-zoom-scale: scale(0.95); 
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.u-fade-enter-active,  
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.u-fade-leave-active {  
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    transition-property: opacity;  
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}  
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.u-fade-enter,  
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.u-fade-leave-to {  
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    opacity: 0  
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} 
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.u-fade-zoom-enter, 
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.u-fade-zoom-leave-to { 
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    transform: $u-zoom-scale; 
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    opacity: 0; 
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} 
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.u-fade-zoom-enter-active, 
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.u-fade-zoom-leave-active { 
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    transition-property: transform, opacity; 
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}  
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.u-fade-down-enter-active,  
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.u-fade-down-leave-active,  
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.u-fade-left-enter-active,  
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.u-fade-left-leave-active,  
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.u-fade-right-enter-active,  
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.u-fade-right-leave-active,  
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.u-fade-up-enter-active,  
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.u-fade-up-leave-active {  
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    transition-property: opacity, transform;  
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}  
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.u-fade-up-enter,  
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.u-fade-up-leave-to {  
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    transform: translate3d(0, 100%, 0);  
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    opacity: 0  
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}  
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.u-fade-down-enter,  
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.u-fade-down-leave-to {  
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    transform: translate3d(0, -100%, 0);  
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    opacity: 0  
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}  
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.u-fade-left-enter,  
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.u-fade-left-leave-to {  
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    transform: translate3d(-100%, 0, 0);  
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    opacity: 0  
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}  
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.u-fade-right-enter,  
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.u-fade-right-leave-to {  
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    transform: translate3d(100%, 0, 0);  
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    opacity: 0  
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}  
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.u-slide-down-enter-active,  
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.u-slide-down-leave-active,  
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.u-slide-left-enter-active,  
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.u-slide-left-leave-active,  
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.u-slide-right-enter-active,  
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.u-slide-right-leave-active,  
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.u-slide-up-enter-active,  
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.u-slide-up-leave-active {  
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    transition-property: transform;  
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}  
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.u-slide-up-enter,  
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.u-slide-up-leave-to {  
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    transform: translate3d(0, 100%, 0)  
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}  
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.u-slide-down-enter,  
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.u-slide-down-leave-to {  
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    transform: translate3d(0, -100%, 0)  
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}  
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.u-slide-left-enter,  
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.u-slide-left-leave-to {  
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    transform: translate3d(-100%, 0, 0)  
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}  
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.u-slide-right-enter,  
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.u-slide-right-leave-to {  
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    transform: translate3d(100%, 0, 0)  
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}  
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.u-zoom-enter-active,  
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.u-zoom-leave-active {  
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    transition-property: transform  
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}  
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.u-zoom-enter,  
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.u-zoom-leave-to {  
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    transform: $u-zoom-scale  
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} 
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