*,
::before {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

a,
abbr,
acronym,
address,
applet,
b,
big,
blockquote,
body,
caption,
center,
cite,
code,
dd,
del,
dfn,
div,
dl,
dt,
em,
fieldset,
font,
form,
h1,
h2,
h3,
h4,
h5,
h6,
html,
i,
iframe,
img,
input,
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,
u,
ul,
var {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: 0 0;
    -webkit-background-origin: content-box;
    background-origin: content-box;
}

footer,
header,
nav,
section {
    display: block;
    margin: 0;
    padding: 0;
}

ol,
ul {
    list-style: none;
}

blockquote,
q {
    quotes: none;
}

:focus {
    outline: 0;
}

ins {
    text-decoration: none;
}

del {
    text-decoration: line-through;
}

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

img {
    display: block;
    border: 0;
    font-size: 0;
}

a {
    text-decoration: none;
}

.cf:after,
.cf:before {
    content: "";
    display: table;
}

.cf:after {
    clear: both;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif, "Helvetica Neue", Helvetica, "Hiragino Sans GB", Arial;
}