html, body {
    width: 100%;
    height:100%;
    position: relative;
}

/* h5样式 */
.h5Con {
    width: 100%;
    position: relative;
}
.h5Con>.bg {
    width: 100%;
}
.h5Con>.download,
.h5Con>.iosDownload{
    display: block;
    position: absolute;
    width: 95%;
    top: 60%;
    left: 2.5%;
}
.h5Con>.download>img,
.h5Con>.iosDownload>img {
    width: 100%;
}
.h5Con>.teach,
.h5Con>.iosTeach{
    position: absolute;
    width: 95%;
    top: 70%;
    left: 2.5%;
}
.h5Con>.iosDownload,
.h5Con>.iosTeach {
    display: none;
}

.loader {
    position:fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: none;
    align-items: center;
    justify-content: center;
}
.loader>div {
    display: flex;
    background-color: #000;
    color: #fff;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    padding: 5px;
    padding-right: 10px;
}
.loader img {
    width: 32px;
    height: 32px;
}

/* pc样式 */
.pcCon {
    width: 100%;
    position: relative;
    display: none;
    justify-content: center;
}
.pcCon>div {
    display: flex;
    position: relative;
}
.pcCon>div>.pcBg {
    height: 120vh;
}
.pcCon>div>#qrCode{
    position: absolute;
    top: 65%;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px;
    background-color: #fff;
    border-radius: 5px;
}
.pcCon>div>#qrCode>img {
    margin-left: auto;
    margin-right: auto;
}

.top-box {
    width: 100%;
    max-width: 550px;
    height: 44px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    top: 0px;
    left: 50%;
    transform: translate(-50%, 0%);
    background: #000;
    background: -webkit-linear-gradient(rgba(0, 0, 0, 1),rgba(0, 0, 0, 0));
    background: -moz-linear-gradient(top,  rgba(255, 255, 255, 1) 100%,rgba(255, 255, 255, 0) 0%);
    /*FireFox*/
    background: -o-linear-gradient(top, rgba(255, 255, 255, 1) 100%,rgba(255, 255, 255, 0) 0%);
    /* Opear */
    background: -ms-linear-gradient(rgba(0, 0, 0, 1),rgba(0, 0, 0, 0));
    /*IE10 及 IE10+*/
}

.top-box i {
    width: 40px;
    height: 40px;
    background: url(../images/zanktw.png) no-repeat center;
    background-size: 70%;
}

.top-box img {
    width: 80px;
    height: 30px;
    display: block;
}

.top-box span {
    width: 90px;
    height: 28px;
    display: block;
    background: rgba(80, 162, 249, 1);
    text-align: center;
    line-height: 28px;
    margin: 3px 5px;
    border-radius: 4px;
    font-size: 12px;
    color: #fff;
    cursor: pointer;
    a {
        color: #fff;
        text-decoration: none;
    }
}
.video-box{
    margin-top: 44px;
    width: 100%;
}
.video-box video{
    width: 100%;
    display: block;
}
.page-text{
    width: 100%;
}
.page-text img{
    width: 100%;
    display: block;
}
.video-list{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.video-li{
    width: 50%;
}
.video-li video{
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}
.video-li img{
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}
.btn-logo{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.btn-logo img{
    display: block;
}
.btn-logo img:nth-of-type(1){
    width: 88%;
    margin-top: 20px;
}
.btn-logo img:nth-of-type(2){
    width: 60%;
    margin-top: 10px;
    margin-bottom: 40px;
}
.text-box{
    width: 100%;
}
.span-text{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.span-text span{
    padding: 10px;
    color: #fff;
    font-size: 14px;
}
.text-content{
    width: 90%;
    padding: 10px;
    box-sizing: border-box;
    margin: 0 auto;
}
.text-content p{
    width: 100%;
    font-size: 10px;
    color: #fff;
    text-align: center;
    line-height: 1.2;
    margin: 10px auto;
}
.buttom-box{
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 auto;
}
.buttom-box p{
    width: 100%;
    text-align: center;
    color: #fff;
    font-size: 14px;
}
.buttom-box img{
    margin: 20px 0;
}
.buttom-box img:nth-of-type(1){
    width: 50%;
    display: block;
}
.buttom-box img:nth-of-type(2){
    width: 30%;
    display: block;
}
.buttom-box img:nth-of-type(3){
    width: 100%;
    display: block;
}