a, address, b, big, blockquote, body, center, cite, code, dd, del, div, dl, dt, em, fieldset, font, form, h1, h2, h3, h4, h5, h6, html, i, iframe, img, ins, label, legend, li, ol, p, pre, small, span, strong, u, ul, var,input {
    margin: 0;
    padding: 0
}
ol, ul {
    list-style: none
}
img {
    border: 0;
    vertical-align: middle
}
input,button,img{
	border: 0;
	outline: 0;
}
i{
    font-style: normal;
}
b{
	font-weight: normal;
}
a,s,u{
	text-decoration: none;
}

.clear, .clr {
    display: block;
    overflow: hidden;
    clear: both;
    height: 0;
    line-height: 0;
    font-size: 0
}
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden
}
.clearfix {
    *zoom: 1
}
button, html input[type=button], input[type=submit] {
    -webkit-apperance: button;
    cursor: pointer
}
button[disabled], html input[disabled] {
    cursor: default
}
.fl {
    float: left
}
.fr {
    float: right
}
.al {
    text-align: left
}
.ac {
    text-align: center
}
.ar {
    text-align: right
}
.hide {
    display: none
}
.indent {
    text-indent: 2em;
}
body {
    font-family: poppin, "PingFang SC", Tahoma, Arial, 微软雅黑, sans-serif;
    line-height: 1.5;
}