* {
    -webkit-box-sizing: border-box;

    box-sizing: border-box;
}

html {
    width: 100%;

    height: 100%;

    margin: 0px;

    padding: 0px;

    -webkit-text-size-adjust: 100%;

    font-family: -apple-system, "PingFang SC", "Helvetica Neue", Helvetica, STHeiTi, sans-serif;

    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    width: 100%;
    height: 100%;
    -webkit-overflow-scrolling: touch;
    padding-bottom: constant(safe-area-inset-bottom); /*兼容 IOS<11.2*/
    padding-bottom: env(safe-area-inset-bottom); /*兼容 IOS>11.2*/
    background: #fff;
    -webkit-text-size-adjust: 100%;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
sumary {
    margin: 0;

    padding: 0;
}

input,
select,
textarea {
    border: 0;

    -webkit-appearance: none;

    appearance: none;
}

ol,
ul {
    list-style: none;
}

*:not(input, select, textArea) {
    -webkit-user-select: none;
}

img,
a {
    -webkit-touch-callout: none;
}

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

a,
button,
input,
textarea {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}