html, body {
    width: 100%;
    min-width: 1100px;

}

body {
    overflow-y: auto;
    font-family: Microsoft Yahei, -apple-system-font, Helvetica Neue, Helvetica, sans-serif;
    font-size: 14px;
    color: #3a3a3a;
    position: relative;
}

h1, h2, h3, h4, h5, h6{
    font-weight: 500;
}


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 {
    margin: 0;
    padding: 0;
}

input, button {
    border: none;
    outline: 0;
}

ul, li {
    list-style: none;
}

img {
    vertical-align: middle;
    border: none;
}

a {
    text-decoration: none;
    color: #3a3a3a;
}
abbr,acronym{
    border:0;
}
i,em,u{
    font-style:normal;
}
.fl{
    float:left;
}
.fr{
    float:right;
}
.ft{
    text-align:center;
}
.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}