@charset "UTF-8";
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box; }

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
  box-sizing: border-box; }

body {
  line-height: 1;
  font-family: "Arial", "Microsoft YaHei", "宋体", sans-serif; }

ol, ul {
  list-style: none; }

blockquote, q {
  quotes: none; }

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none; }

table {
  border-collapse: collapse;
  border-spacing: 0; }

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
  font-size: 100%; }

a {
  color: #555;
  text-decoration: none; }

.cf:before,
.cf:after {
  content: " ";
  display: inline-block;
  height: 0;
  clear: both;
  visibility: hidden; }

.cf {
  *zoom: 1; }

button {
  outline: none; }

.top {
  position: fixed;
  right: 0;
  bottom: 200px;
  display: none; }
  .top a {
    display: block;
    width: 73px;
    height: 73px; }