body {
    margin: 0 auto;
}

header {
    background-image: url(../images/bl.png);
    background-size: auto 100%;
    background-repeat: repeat-x;
    background-position: 10% 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 10vh;
    overflow: hidden;
    z-index: 100;
}

.logo {
    position: absolute;
    top: 10%;
    left: 10%;
    height: 70%;
    width: auto;
    transition: 0.5s;
}

.navs {
    position: absolute;
    left: 20vw;
    width: 60vw;
    overflow: hidden;
}

.navs li {
    /* border: 1px solid #000; */
    display: inline-block;
    margin: 1vh 0 0 15%;
    /* width: 10vw; */
    height: 8vh;
    font-size: 3vh;
    font-family: "宋体" serif;
    font-weight: 1000;
}

.dl {
    font-size: 3vh;
    position: relative;
    right: -80vw;
    padding: 0 5%;
    font-family: "宋体" serif;
    font-weight: 1000;
    color: rgb(121, 107, 223);
    line-height: 10vh;
}

.navs li a {
    line-height: 8vh;
    /* text-align: center; */
    color: rgb(255, 255, 255);

}



.navs li a:hover {
    color: rgb(0, 140, 255);
}

.Box2 #bed_pzx {
    position: relative;
    top: 580px;
    left: 130px;
    width: 140px;
    height: 30px;
}

.Box1 {
    background: #000;
    background-position: center;
}

.Box2 {
    background-position: 0 0;
    background-image: url(../images/bg2.png);
    max-width: 1920px;
    margin: 0 auto;
}

.Box3 {
    background-position: 0 0;
    background-image: url(../images/bg3.png);
    max-width: 1920px;
    margin: 0 auto;
}

.Box4 {
    background-position: 0 0;
    background-image: url(../images/bg4.png);
    max-width: 1920px;
    margin: 0 auto;
}

.Box5 {
    background-position: center center;
    background-image: url(../images/bg5.png);
}

/* 动画定义 */

@keyframes header_fow {
    0% {
        background-position: -30vh 0;

        width: 10vh;
        border-radius: 0 0 100% 0;
    }

    100% {
        width: 100%;
        border-radius: 0px;
        background-position: 10% 0;

    }
}

@keyframes header_back {
    0% {
        width: 100%;
        height: 10vh;
        border-radius: 0;
    }

    40% {
        border-radius: 0 100px 100px 0;
    }

    100% {
        width: 10vh;
        border-radius: 0 0 100% 0;
        background-position: 50vh 0;
    }
}

@keyframes moveAnimation {
    0% {
        transform: translate(0, 0);
    }

    70% {
        transform: translate(var(--endX), var(--endY));

    }

    100% {
        width: 20px;
        height: 20px;
    }

}

.moveAnimation {
    animation: moveAnimation forwards;
    position: absolute;
}

.moveAnimation {
    animation: moveAnimation cubic-bezier(0, 1.02, 0.48, 0.89) 1s forwards;
}