/* 不使用 */
*,
html {
  font-size: 100%;
  border: 0; }

button,
hr {
  overflow: visible;
  -webkit-box-sizing: content-box;
  box-sizing: content-box; }

button:disabled,
html {
  cursor: default; }

*,
:focus[data-focus-method=mouse]:not(input):not(textarea):not(select),
:focus[data-focus-method=touch]:not(input):not(textarea):not(select) {
  outline: 0; }

*,
button,
fieldset,
hr,
iframe,
img {
  border: 0; }

a,
a:active,
a:hover,
a:link,
a:visited,
ins {
  text-decoration: none;
  cursor: pointer; }

abbr[title] {
  text-decoration: underline; }

dialog,
ins,
mark {
  color: #000; }

*,
progress,
sub,
sup {
  vertical-align: baseline; }

button,
legend {
  color: inherit; }

img,
legend {
  max-width: 100%; }

*,
hr,
legend {
  padding: 0; }

* {
  margin: 0; }

*,
::after,
::before {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  background-repeat: no-repeat; }

::after,
::before {
  text-decoration: inherit;
  vertical-align: inherit; }

html {
  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  word-break: break-word;
  background-color: #ffffff; }

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  font: normal normal normal 16px/1.8 BlinkMacSystemFont, Segoe UI, Roboto, "Open Sans", sans-serif;
  background-color: #ffffff; }

address,
caption,
code,
figcaption,
pre,
th {
  font-weight: 400;
  font-style: normal;
  font-size: 1em; }

blockquote,
q {
  quotes: none; }

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

ins {
  background-color: #ff9; }

caption,
th {
  text-align: left; }

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

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section {
  display: block; }

audio,
canvas,
iframe,
img,
svg,
video {
  display: inline-block;
  vertical-align: middle; }

dialog,
hr,
img {
  display: block; }

hr {
  margin: 1em 0;
  height: 0;
  border-top: 1px solid #ccc; }

dialog {
  background-color: #fff;
  border: solid;
  height: -moz-fit-content;
  height: -webkit-fit-content;
  height: fit-content;
  left: 0;
  margin: auto;
  padding: 1em;
  position: absolute;
  right: 0;
  width: -moz-fit-content;
  width: -webkit-fit-content;
  width: fit-content; }

[hidden],
dialog:not([open]),
template {
  display: none; }

button,
input,
optgroup,
select,
textarea {
  margin: 0;
  font-size: 100%;
  font-family: inherit; }

textarea {
  overflow: auto; }

[type=search] {
  -webkit-appearance: textfield;
  outline-offset: -2px; }

[type=search]::-webkit-search-cancel-button,
[type=search]::-webkit-search-decoration {
  -webkit-appearance: none; }

summary {
  display: list-item; }

audio,
canvas,
progress,
video {
  display: inline-block; }

input,
select {
  vertical-align: middle; }

button {
  vertical-align: inherit;
  font: inherit;
  line-height: inherit;
  cursor: pointer; }

button,
select {
  text-transform: none; }

[type=button],
[type=reset],
[type=submit],
button,
html [type=button] {
  -webkit-appearance: button; }

[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner,
button::-moz-focus-inner {
  border-style: none;
  padding: 0; }

fieldset {
  padding: .35em .75em .625em; }

audio:not([controls]) {
  display: none;
  height: 0; }

::-moz-focus-inner {
  padding: 0;
  border: 0; }

a,
a:link,
a:visited {
  background-color: transparent;
  -webkit-text-decoration-skip: objects; }

abbr[title] {
  border-bottom: none;
  -webkit-text-decoration: underline dotted;
  text-decoration: underline dotted; }

b,
strong {
  font-weight: inherit;
  font-weight: bolder; }

code,
kbd,
pre,
samp {
  font-family: monospace, sans-serif;
  font-size: 1em; }

mark {
  background-color: #ff0; }

small {
  font-size: 80%; }

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0; }

sub {
  bottom: -.25em; }

sup {
  top: -.5em; }

ul {
  list-style: none; }

img {
  height: auto;
  border-style: none; }

svg:not(:root) {
  overflow: hidden; }

[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring,
button:-moz-focusring {
  outline: ButtonText dotted 1px; }

legend {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  display: table;
  white-space: normal; }

[type=checkbox],
[type=radio] {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0; }

[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto; }

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit; }