html,
body,
div,
span,
object,
li,
ul,
img iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
pre,
a,
em,
img,
strong,
sub,
sup,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
input,
figure,
figcaption,
footer,
header,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: none;
    font-size: 100%;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    box-sizing: border-box;}

li {
    list-style: none;}

img {
    border-width: 0 0 0 0;
    max-width: 100%;
    object-fit: contain;
    }

a {
    text-decoration: none;}

html {
    margin: 0 auto;}

html,
body {
    height: 100%;}

html {
    min-width: 1140px;}

@media screen and (max-width: 768px) {
    html {
        min-width: 100%;}
}