body, div, span, header, footer, nav, section, aside, article, ul, dl, dt, dd, li, a, p, h1, h2, h3, h4,h5, h6, i, b, textarea, button, input, select, figure, figcaption {
    padding: 0;
    margin: 0;
    list-style: none;
    font-style: normal;
    text-decoration: none;
    border: none;
    font-family: "Microsoft Yahei",sans-serif;
    -webkit-tap-highlight-color:transparent;
    -webkit-font-smoothing: antialiased;
}
body{
	height: 100vh;
}
.body-wrapper{
	height: 100%;
}
.body-wrapper>.top{
    height:60px;
    background-color:#000;
    display: none;
}
.body-wrapper>.banner{
    height:70px;
    background-color: #fff;
}
.body-wrapper>.main{
    /*height:595px;*/
    height: calc(100% - 120px);
    background-color: #E7E7E7;
    display: flex;
    justify-content:center;
}
.body-wrapper>.footer{
    height:50px;
    background-color: #000;
}
a{
	color: #282828;
}