* {
    padding: 0;
    border: none;
    margin: 0;
    box-sizing: border-box;
}

html {
    font-size: 28vw;
}

@media (min-width:550px) {
    html {
        font-size: 150px;
    }
}

body {
    background: #282828;
}

body>a {
    display: none;
}

a {
    color: #ffffff;
    text-decoration: none;
}

ul {
    list-style: none;
    list-style-type: none;
}

button {
    font: inherit;
    background: none;
    outline: none;
}

img {
    display: block;
    max-width: 100%;
    object-fit: contain;
}

.page {
    width: 100vw;
    max-width: 550px;
    height: 100vh;
    color: #ffffff;
    font-size: .1rem;
    line-height: .12rem;
    /* letter-spacing: .5px; */
    background: url('../iamges/bg.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    /* padding: .1rem .16rem 2.1rem .16rem; */
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.page::-webkit-scrollbar {
    display: none;
}

.kefu_box {
    text-align: right;
}

.kefu_box a {
    padding-top: .1rem;
    padding-right: .2rem;
    display: inline-block;
    position: relative;
}

.kefu_img {
    width: .4rem;
}

.redDot_img {
    width: .06rem;
    position: absolute;
    left: .04rem;
    bottom: 0;
}

.download_box {
    width: 56%;
    margin: 0 auto;
    margin-top: 62vh;
}

.btn {
    margin-top: .16rem;
}

.download_box a:nth-child(1) .btn {
    margin-top: 0;
}