@charset "utf-8";
body {
    position: relative;
    align-items: center;
    min-height: 100vh;
    background-color: rgba(118, 218, 255,.8);
    overflow: hidden;
    }
    body:before, body:after {
        content: "";
        position: absolute;
        left: 50%;
        min-width: 500vw;
        min-height: 500vw;
        background-color: #fff;
        animation-name: rotate;
        animation-iteration-count: infinite;
        animation-timing-function: linear;
    }

    body:before {
        bottom: 13vh;
        border-radius: 45%;
        animation-duration: 20s;
    }

    body:after {
        bottom: 10vh;
        opacity: .5;
        border-radius: 47%;
        animation-duration: 20s;
    }
    .build-box{
    width: 100%;
    margin: 5% auto 0;
    text-align: center;
    position: relative;
    z-index: 999;
}
.build-box img{
    width: 80%;
    max-width: 614px;
}
.build-box h4{
    width: 90%;
    font-family: '微软雅黑';
    font-size: 4em;
    color: #333333;
    line-height: 140%;
    margin: 30px auto;
}
.build-box h4 span{
    color: #358ede;
}
.build-box .go-home{
    font-family: '微软雅黑';
    font-size: 2.2em;
    color: #fff;
    background: #4da7f8;
    display: inline-block;
    width: 181px;
    height: 48px;
    border-radius: 24px;
    line-height: 48px;
    margin: 20px auto;
}
    @keyframes rotate {
    0% {
        transform: translate(-50%, 0) rotateZ(0deg);
    }
    50% {
        transform: translate(-50%, -1.5%) rotateZ(180deg);
    }
    100% {
        transform: translate(-50%, 0%) rotateZ(360deg);
    }
}
/*1024-1199*/

@media only screen and (max-width:1199px) {
.build-box h4{
    font-size: 3em;
}
}


/*768-1024*/

@media only screen and (max-width:1023px) {

}

/*640-767*/

@media only screen and (max-width:767px) {
.build-box h4{
    font-size: 1.6em;
}
.build-box .go-home{
    font-size: 1.8em;
}
}


/* 480-639*/

@media only screen and (max-width:639px) {

}


/* 360-479*/

@media only screen and (max-width:479px) {

}

/* 320-359*/

@media only screen and (max-width:359px) {

}