body,
html {
    width: 100%;
    height: 100%;
}
body {
    margin: 0;
    padding: 0;
    font: 14px "微软雅黑", Arial;
    color: #000;
    font-weight: 400;
}
body,
div,
ul,
li,
p,
em,
img,
i,
h1,
h2,
h3,
h4,
h5,
dl,
dt,
dd,
input,
form,
select,
textarea,
a {
    margin: 0;
    padding: 0;
    list-style: none;
    outline: none;
    border: none;
    font-style: inherit;
}
p{
      font-family: "宋体";
}
a {
    text-decoration: none;
}
a:link {
    text-decoration: none;
}
a:visited {
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}
a:active {
    text-decoration: none;
}
a:focus {
    text-decoration: none;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.mb20 {
    margin-bottom: 20px;
}
.mt15 {
    margin-top: 15px;
}
* {
    box-sizing: border-box;
}