*{
    box-sizing: border-box;
    margin:0;
    padding:0;
}
*, *:before, *:after { max-height: 100000px }
body,html{
    width:100%;
    min-height: 100%;
    background: #fff;
}
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; } 
body, button, input, select, textarea { font-size:0.28rem;font-family: "微软雅黑";margin:0;padding:0;} 
h1, h2, h3, h4, h5, h6{ font-size:100%; } 
address, cite, dfn, em, var { font-style:normal; } 
ul, ol { list-style:none; } 
a { text-decoration:none; } 
a:hover { text-decoration:underline; } 
sup { vertical-align:text-top; } 
sub{ vertical-align:text-bottom; } 
legend { color:#000; } 
fieldset, img { border:0; } 
button, input, select, textarea {outline: none;border:0; }