html,
body {
  font-weight: 400;
  font-family: "PingFang SC", "Helvetica Neue", Helvetica, "Hiragino Sans GB",
     "微软雅黑", Arial, sans-serif, "Microsoft YaHei";
}

html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  list-style: none;
}

body {
  line-height: 1.2;
}

:focus {
  outline: 1;
}

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

nav ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}

a {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-decoration: none;
}

ins {
  background-color: #ff9;
  color: #111;
  text-decoration: none;
}

mark {
  background-color: #ff9;
  color: #111;
  font-style: italic;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

abbr[title],
dfn[title] {
  border-bottom: 1px dotted #111;
  cursor: help;
}

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

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}

input,
select {
  vertical-align: middle;
}

input::-webkit-input-placeholder{
  color:#fff;
}
input::-moz-placeholder{   /* Mozilla Firefox 19+ */
  color:#fff;
}
input:-moz-placeholder{    /* Mozilla Firefox 4 to 18 */
  color:#fff;
}
input:-ms-input-placeholder{  /* Internet Explorer 10-11 */ 
  color:#fff;
}

img[src=""],
img:not([src]) {
  opacity: 0;
}

::-webkit-scrollbar-track {
  background-color: #f9f9f9;
}

::-webkit-scrollbar {
  width: 5px;
  height: 10px;
  background-color: #ccc;
}

::-webkit-scrollbar-thumb {
  background-color: #ccc;
}

.omit {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.omit2 {
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.omit3 {
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}

.omit4 {
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
}