body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dialog, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td {
    margin: 0;
    padding: 0;
}

button, input, select, textarea {
    font: 12px/1.5 arial, tahoma, simsun, sans-serif;
    font-size: 100%;
    overflow: visible;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

address, cite, em, var {
    font-style: normal;
}

code, kbd, pre, samp {
    font-family: courier new, courier, monospace;
}

ul, ol {
    list-style: none;
}

a, a:hover {
    outline: none;
    text-decoration: none;
}

legend {
    color: #333;
}

fieldset, img {
    border: 0 none;
    vertical-align: top;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

article, aside, details, figcaption, figure, footer, header, menu, nav, section, time, audio, video {
    display: block;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    height: 100%;
}

.clearfix:before, .clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    *zoom: 1;
}

body {
    background-color: #fff;
    color: #333;
    font: 1rem/1.5 "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei", \9ED1\4F53, Arial, sans-serif;
    height: 100%;
}

.none {
    display: none;
}

.container {
    font-family: \5FAE\8F6F\96C5\9ED1;
    box-sizing: border-box;
    margin: 0 auto;
    max-width: 640px;
    min-height: 100%;
    min-width: 320px;
    overflow: hidden;
    position: relative;
}

.container img {
    display: block;
    width: 100%;
}

.module {
    width: 100%;
    position: relative;
}

.down_load a {
    display: inline-block;
    width: 100%;
    margin: 0 auto;
}

header {
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 99;
    max-width: 640px;
    min-width: 320px;
}

html, body {
    position: relative;
    height: 100%;
}

body {
    background: black;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
}

#download {
    position: fixed;
    width: 100%;
    bottom: 0;
}

#download > img {
    margin: auto;
    width: 20rem;
    left: 20px;
}

#contact {
    position: fixed;
    right: 2px;
    bottom: 100px;
    width: 10%;
    min-width: 30px;
    max-width: 40px;
    height: 220px;
    background: #ffffff4d;
    border-radius: 1rem;
    box-sizing: border-box;
}

#contact > a {
    display: flex;
    flex-direction: column;
    margin: 2%;
}

a > img {
    height: 30px;
    width: 30px;
}

@media (min-width: 720px) {
    #contact {
        position: absolute;
        margin: auto;
        bottom: 450px;
        right: 2px;
    }

    #download {
        left: 15px;
    }
}