       <style>
        body{
            margin:0;padding:0;
            font-family: PingFang SC,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif;
        }
        a, button.submit {
            color:#6E7173;
            text-decoration:none;
            -webkit-transition:all .1s ease-in;
            -moz-transition:all .1s ease-in;
            -o-transition:all .1s ease-in;
            transition:all .1s ease-in;
        }
        a:hover, a:active {
            color:#6E7173;
        }
        .body404{