body, button, dd, dl, dt, fieldset, footer, form, h1, h2, h3, h4, h5, h6, header, img, input, legend, li, nav, ol, p, section, textarea, ul {
    margin: 0;
    padding: 0;
}
:not(input, textarea) {
    -webkit-touch-callout: inherit;
    -webkit-user-select: auto
}
body {
    font-family: sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
    color: #333;
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: none;
    margin: 0 auto;
    background-color: #fafafa;
    max-width: 750px;
}
* {
    box-sizing: border-box
}

li, ol, ul {
    list-style: none
}
a, a:active, a:focus, a:hover, a:visited {
    color: #333;
    text-decoration: none
}
a, img {
    -webkit-touch-callout: none
}
img {
    -ms-interpolation-mode: bicubic
}
fieldset, img {
    border: none
}
button, input, select, textarea {
    font-size: 100%;
    vertical-align: middle;
    outline: none;
    border: none;
}
input, textarea {
    resize: none;
    -webkit-appearance: none
}
button, input[type=button], input[type=reset], input[type=submit] {
    cursor: pointer;
    -webkit-appearance: button;
    -moz-appearance: button
}
input:focus:-moz-placeholder, input:focus::-webkit-input-placeholder {
    color: transparent
}
.nodata, .wrongdata span {
    color: #999
}
button::-moz-focus-inner, input::-moz-focus-inner {
    padding: 0;
    border: 0
}

table {
    border-collapse: collapse;
    border-spacing: 0
}
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    visibility: hidden;
    clear: both
}
.wrap {
    margin: 0 auto;
    max-width: 750px;
}

img {
    display: block;
    max-width: 100%;
    width: auto;
    height: auto;
}
/* 自定义 */
.g-box {
    max-width: 750px;
    width: 100%;
    min-height: 100vh;
    margin: 0 auto;
    background: #fff;
}

.topBack-bar {
    background: #eeeeee;
}
.back-icon {
    background: url(../img/topBack.png) center left no-repeat;
    background-size: cover;
    height: 5vw;
    width: 3vw;
}
.topBack-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 45px;
    padding: 10px 15px;
    position: relative;
}
.topBack-bar .top-title {
    flex: 1;
    font-size: 16px;
    color: #2f2f2f;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.back-icon {
    background: url(../img/topBack.png) center left no-repeat;
    background-size: contain;
    height: 5vw;
    width: 4vw;
}
.topBack-bar .t_more {
    width: 5vw;
}
.padding60 {
    padding-bottom: 60px;
}
.downloadBox {position: absolute;top: 58vh;}
.downloadBox .logo {
    width: 30vw;
    margin: 0 auto;
}
.downloadBox h2 {
    margin: 15px 0 30px;
    font-size: 18px;
    font-family: "Microsoft YaHei";
    color: rgb(29, 29, 29);
    font-weight: bold;
    text-transform: uppercase;
    text-align: center;
}
.downloadBox .btns a {
    display: block;
    width: 71%;
    margin: 24px auto;
}
.page{
    background: url(../img/bg.jpg) top center no-repeat #0c32c4;
    background-size: contain;
    width: 100vw;
    height: 100vh;
    z-index: 99;
    position: absolute;
    top: 0;
    /* overflow: hidden; */
}
@media (min-width:750px) {
    .back-icon {
        height: 15px;
        width: 15px;
    }
    .topBack-bar .t_more {
        width: 25px;
    }
    .downloadBox {
        padding-top: 120px;
    }
    .downloadBox .logo {
        width: 150px;
        margin: 0 auto;
    }
    .downloadBox .btns a {
        display: block;
        width: 35%;
        margin: 20px auto;
    }
}