/*common css*/
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td,span ,i{
    margin: 0;
    padding: 0;
    font: 12px Arial, Helvetica, sans-serif;
    color: #333;
    box-sizing: border-box;
    font-family: "microsoft yahei";
}
em {
    font-style: normal;
}
table {
    width: 100%;
    border: 0;
    border-collapse: collapse;
    border-spacing: 0;
}
a {
    text-decoration: none;
    cursor: pointer;
    color: #333;
    font-size: 14px;
}
fieldset, img {
    border: 0;
}
address, caption, cite, code, dfn, em, strong, th, var {
    font-style: normal;
    font-weight: normal;
}
ul, ol, li, dt, dd {
    list-style: none;
}
caption, th {
    text-align: left;
}
h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}
q:before, q:after {
    content: '';
}
abbr, acronym {
    border: 0;
    font-variant: normal;
}
sup {
    vertical-align: text-top;
}
sub {
    vertical-align: text-bottom;
}
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    font-size: 100%;
}
legend {
    color: #5E5E5E;
}
strong {
    font-weight: bold;
}
.clearfix {
    display: block;
    zoom: 1;
}
.clearfix:after {
    content: " ";
    display: block;
    font-size: 0;
    height: 0;
    clear: both;
    visibility: hidden;
}
.clear {
    clear: both;
    height: 0;
    overflow: hidden;
}
.fl {
    float: left;
}
.fr {
    float: right;
}