:focus,
a,
a:active,
a:hover {
  outline: 0
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
html-view,
menu,
nav,
section {
  display: block
}

a,
abbr,
acronym,
address,
applet,
big,
blockquote,
body,
caption,
cite,
code,
dd,
del,
dfn,
div,
dl,
dt,
em,
fieldset,
font,
form,
h1,
h2,
h3,
h4,
h5,
h6,
html,
iframe,
img,
ins,
kbd,
label,
legend,
li,
object,
ol,
p,
pre,
q,
s,
samp,
small,
span,
strike,
strong,
sub,
sup,
table,
tbody,
td,
tfoot,
th,
thead,
tr,
tt,
ul,
var {
  border: 0;
  outline: 0;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: none
}

* {
  /* -webkit-touch-callout: none;
  -webkit-user-select: none; */
  margin: 0;
  padding: 0;
  border: 0;
  -webkit-touch-callout: default;
  -webkit-user-select: text;
  user-select: text;
}

input,
textarea {
  -webkit-touch-callout: inherit;
  -webkit-user-select: text;
  user-select: text;
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
}

body {
  font: 14px/1.5 PingFangSC-Regular, DroidSans, "Heiti SC", Helvetica;
  background-color: #f5f5f5;
  overflow-x: hidden
}

pre {
  word-break: break-all;
  word-wrap: break-word
}

ol,
ul {
  list-style: none
}

a {
  text-decoration: none
}

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

img {
  border: 0;
  vertical-align: middle;
  max-width: 100%
}

body,html{
  min-width: 320px;
  max-width: 640px;
  margin: 0 auto;
}