.leftUp .cover {
    animation-name: leftUp;
}

@keyframes leftUp {
    0% {
        transform: scale(1.1, 1.1) translate(4.545%, 4.545%);
    }

    100% {
        transform: scale(1.1, 1.1) translate(-4.545%, -4.545%);
    }
}

.moveRight .cover {
    animation-name: moveRight;
}

@keyframes moveRight {
    0% {
        transform: scale(1.1, 1.1) translate(-4.545%, 0);
    }

    100% {
        transform: scale(1.1, 1.1) translate(4.545%, 0);
    }
}

.moveDown .cover {
    animation-name: moveDown;
}

@keyframes moveDown {
    0% {
        transform: scale(1.1, 1.1) translate(0, -4.545%);
    }

    100% {
        transform: scale(1.1, 1.1) translate(0, 4.545%);
    }
}

.centerBig .cover {
    animation-name: centerBig;
}

@-webkit-keyframes centerBig {
    100% {
        transform: scale(1.1, 1.1);
    }
}

@keyframes centerBig {
    100% {
        transform: scale(1.1, 1.1);
    }
}

.rightDownBig .cover {
    animation-name: rightDownBig;
}

@keyframes rightDownBig {
    100% {
        transform: scale(1.1, 1.1) translate(4%, 4%);
    }
}

.index .index_banner .swiper-slide .cover {
    animation-duration: 8s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
    animation-direction: alternate;
}