/* 全局基础默认样式 */
a,
address,
b,
body,
center,
code,
dd,
del,
div,
dl,
dt,
em,
font,
form,
h1,
h2,
h3,
h4,
html,
i,
iframe,
img,
input,
label,
legend,
li,
p,
pre,
s,
small,
span,
strong,
sub,
sup,
table,
tbody,
td,
textarea,
th,
thead,
tr,
u,
ul,
var {
  margin: 0;
  padding: 0
}

address,
em,
i,
var {
  font-style: normal
}

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

h1,
h2,
h3,
h4,
th {
  font-size: 100%;
  font-weight: 400
}

button,
input,
select,
textarea {
  font-size: 100%
}

input {
  background-color: transparent
}

img {
  border: 0
}

a,
img {
  -webkit-touch-callout: none
}

a,
a:active,
a:focus,
a:hover,
a:visited {
  text-decoration: none
}

input[type=password],
input[type=text],
textarea {
  resize: none;
  outline: 0;
  -webkit-appearance: none;
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #fff
}

ul {
  list-style: none
}

*,
:after,
:before {
  box-sizing: border-box;
  margin: 0
}

button {
  border: none;
  outline: none
}