@charset "utf-8";
* {
  box-sizing: border-box;
}
img {
  max-width: 100%;
  height: auto;
}
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,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
sub,
sup,
tt,
var,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-weight: normal;
  vertical-align: baseline;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
ol,
ul,
li {
  list-style: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
a {
  text-decoration: none;
  -webkit-backface-visibility: hidden;
}
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track-piece {
  background-color: rgba(0, 0, 0, 0.2);
  -webkit-border-radius: 6px;
}
::-webkit-scrollbar-thumb:vertical {
  height: 5px;
  background-color: rgba(125, 125, 125, 0.7);
  -webkit-border-radius: 6px;
}
::-webkit-scrollbar-thumb:horizontal {
  width: 5px;
  background-color: rgba(125, 125, 125, 0.7);
  -webkit-border-radius: 6px;
}
html,
body {
  width: 100%;
  font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  box-sizing: border-box;
}
body {
  -webkit-text-size-adjust: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
html {
  overflow-y: scroll;
}
input,
button,
textarea,
select,
option {
  outline: none;
}

.w1620 {
  max-width: 1600px;
  width: 90%;
  margin: 0 auto;
}