a,
abbr,
acronym,
address,
applet,
article,
aside,
audio,
b,
big,
blockquote,
body,
canvas,
caption,
center,
cite,
code,
dd,
del,
details,
dfn,
div,
dl,
dt,
em,
embed,
fieldset,
figcaption,
figure,
footer,
form,
h1,
h2,
h3,
h4,
h5,
h6,
header,
hgroup,
html,
i,
iframe,
img,
ins,
kbd,
label,
legend,
li,
mark,
menu,
nav,
object,
ol,
output,
p,
pre,
q,
ruby,
s,
samp,
section,
small,
span,
strike,
strong,
sub,
summary,
sup,
table,
tbody,
td,
tfoot,
th,
thead,
time,
tr,
tt,
u,
ul,
var,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

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

body {
    font-family: "PingFang SC",Arial, "Microsoft YaHei", Helvetica,  sans-serif,
        "Source Han Serif";
    line-height: 1,
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
select,
option,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

* {
    outline: 0 none;
}

a {
    color: black;
    outline: 0 none;
    text-decoration: none;
    cursor: pointer;
}

img {
    border: 0;
}

ol,
ul {
    list-style: none
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}