/* reset */

* {
    box-sizing: border-box
}

html,
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
tr,
td,
section,
a,
input,
span {
    margin: 0;
    padding: 0
}

body {
    word-break: break-all;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-text-size-adjust: none;
    -webkit-overflow-scrolling: auto;
    -webkit-user-select: none;
    font-family: -apple-system-font, PingFangSC-Light, Microsoft Yahei, Heiti SC, arial, miui, helvetica, sans-serif;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
iframe {
    display: block
}

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

fieldset,
img {
    border: 0
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
    font-weight: normal
}

ol,
ul {
    list-style: none
}

caption,
th,
td {
    text-align: center
}

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

q:before,
q:after {
    content: ''
}

input[type=button],
button {
    -webkit-appearance: none;
    -webkit-user-select: none;
    margin: 0
}

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

a,
input,
button,
img,
select,
textarea {
    outline: none
}

input[type=text],
input[type=password],
input[type=tel],
input[type=number],
input[type=search],
textarea {
    -webkit-appearance: none
}

textarea {
    resize: none
}

input::-webkit-clear-button,
input::-webkit-inner-spin-button,
input::-webkit-outer-spin-button {
    -webkit-appearance: none
}

input::-webkit-search-cancel-button {
    display: none
}

input:focus::-webkit-input-placeholder {
    opacity: 0
}

a,
button {
    touch-action: manipulation
}

video {
    outline: none
}