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: "微软雅黑", "Source Han Sans CN", "PingFangSC-Regular, sans-serif", "华文细黑", "黑体", "宋体", \5b8b\4f53, arial, sans-serif;
  color: #000;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); /* 去除移动端点击时元素产生的背景色 */
}

html,
body {
  height: 100%;
}

ol,
ul {
  margin-bottom: 0px;
}

li {
  list-style: none;
}

em,
i {
  font-style: normal;
}

img {
  /* width: auto;
  height: auto; */
  border-width: 0px 0px 0px 0px;
}

a {
  text-decoration: none;
  color: #252525;
}

.float-left {
  float: left;
}

.float-right {
  float: right;
}

#landscape {
  width: 100%;
  height: 100vh;
  background: #fff;
  line-height: 100vh;
  text-align: center;
  position: fixed;
  top: 0;
  z-index: 9999;
}