html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, img, ins, kbd, q, s, samp,
small, strike, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td, section {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

fieldset, img {
    border: 0 none;
}

fieldset {
    margin: 0;
    padding: 0;
}

address, caption, em, strong, th, i, samp {
    font-style: normal;
}

ol, ul {
    list-style-image: none;
    list-style-position: outside;
    list-style-type: none;
}

a {
    color: #333;
}

a:link {
    text-decoration: none;

}

a:visited {
    text-decoration: none;

}

a:hover {
    text-decoration: none;
}

a:active {
    text-decoration: none;
}

html, body {
    font-family: "Microsoft YaHei", 'Avenir', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: calc(100vw / 37.5);
    font-weight: 500;
    -webkit-overflow-scrolling: touch;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0;
}