/* dest: base.css */
html {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", "WenQuanYi Micro Hei", "文泉驿微米黑", "WenQuanYi Zen Hei", "文泉驿正黑", "SimSun", "宋体";
  font-weight: 400;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  line-height: 1.67;
  color: #f5f5f5;
  background-color: #000;
/* fix osx text rendering, subpixel gives bad result,
     * see: http://usabilitypost.com/2012/11/05/stop-fixing-font-smoothing/ */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  margin: 0;
}
footer {
  margin-top: 4em;
  width: 92%;
  padding: 0.2em 4% 0 4%;
  background-color: #212121;
  font-family: "Courier New", "宋体", "SimSun", monospace;
  font-weight: 100;
  font-size: 1rem;
  overflow: hidden;
}
footer .copyright {
  font-size: 0.75em;
  line-height: 1;
  padding-top: 0.2em;
  display: block;
  text-align: center;
  text-decoration: none;
  background-color: #424242;
}
a,
a:visited {
  color: inherit;
}
h1 {
  color: #fafafa;
}
h2,
h3 {
  color: #f5f5f5;
}
@media screen and (min-width: 1024px) {
  html {
    font-weight: 400;
  }
}
@media print {
  html {
    color: #000 !important;
    background-color: #fff !important;
  }
  h1 {
    color: #212121 !important;
  }
  h2,
  h3 {
    color: #424242 !important;
  }
  footer {
    background-color: #eee;
  }
  footer .copyright {
    background-color: #e0e0e0;
  }
}
header {
  font-size: 1.2rem;
}
header .banner,
header .banner:visited {
  color: #ffe082;
  padding: 0;
}
header a.banner:hover,
header .banner:visited:hover,
header a.banner:active,
header .banner:visited:active,
header a.banner[aria-pressed="true"],
header .banner:visited[aria-pressed="true"],
header a.banner[active],
header .banner:visited[active] {
  color: #ffecb3;
  background-color: inherit;
}
header a,
header a:visited {
  white-space: nowrap;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  padding: 0 0.5em;
  color: #9e9e9e;
}
header a:hover,
header a:visited:hover {
  color: #e0e0e0;
  background-color: #212121;
}
header a:active,
header a:visited:active,
header a[aria-pressed="true"],
header a:visited[aria-pressed="true"],
header a[active],
header a:visited[active] {
  color: #fff;
  background-color: #212121;
}
@media screen and (min-width: 768px) {
  header {
    font-size: 1.4em;
  }
  header a {
    padding: 0 1em;
  }
}
@media screen and (orientation: landscape) {
  header {
    padding: 0 2ch;
  }
  header a {
    transition: background-color 0.5s, color 0.5s;
  }
}
article {
  transform: translateZ(0);
  padding-left: 1ch;
  padding-right: 1ch;
}
article h1 {
  text-align: center;
  font-size: 2em;
  margin: 1em auto;
}
article h2,
article h3 {
  margin: 2em 0 1em 0;
}
article h4,
article h5 {
  margin: 3em 0 1em 0;
}
article .subtitle {
  font-size: 1.2em;
  text-align: right;
  margin: -1em 0 0 0;
  opacity: 0.8;
  font-weight: inherit;
}
article .centered {
  text-align: center;
}
article em {
  font-style: normal;
  font-weight: inherit;
  text-decoration: underline;
  color: inherit;
}
article strong {
  color: #fff;
  font-weight: 500;
}
article hr {
  color: #9e9e9e;
  margin: 3em auto;
  border-style: solid;
}
article p {
  margin: 1.33em 0;
}
article table,
article ul.box,
article pre code {
  border: 1pt solid #424242;
  border-radius: 0.25rem;
  box-sizing: border-box;
}
article pre {
  overflow-y: visible;
  overflow-x: auto;
  padding: 1pt;
  margin-top: 1em;
  margin-bottom: 1em;
}
article pre code {
  margin-top: 0;
  margin-bottom: 0;
  padding: 0.5em 0.5rem;
  background-color: rgba(33,33,33,0.7);
  display: inline-block;
  min-width: 100%;
}
article table {
  margin-top: 1em;
  margin-bottom: 1em;
  padding: 0;
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}
article table thead {
  border-bottom: 2pt solid #424242;
}
article table tr {
  border-color: #424242;
  border-style: solid;
  border-width: 0 0 1pt 0;
  text-align: left;
}
article table tr th,
article table tr td {
  border-style: solid;
  border-color: #424242;
  border-width: 0;
  padding: 0.5em;
  vertical-align: middle;
}
article table tr th {
  font-weight: 500;
}
article table.headless thead,
article table.no-head thead {
  display: none;
}
article table.striped thead tr {
  background-color: rgba(33,33,33,0.7);
}
article table.striped tbody tr:nth-child(even) {
  background-color: rgba(33,33,33,0.7);
}
article table.striped tbody tr:nth-child(odd) {
  background-color: transparent;
}
article table.bordered tr th,
article table.bordered tr td {
  border: 1pt solid #424242;
}
article table.borderless {
  border: none;
}
article table.borderless tr th,
article table.borderless tr td {
  border: none;
}
article ul,
article ol {
  list-style-position: outside;
  padding-left: 3ch;
}
article ul li,
article ol li {
  margin: 0.5em 0;
}
article ul.box,
article ol.box {
  list-style: none;
  padding: 0;
  background-color: rgba(33,33,33,0.7);
}
article ul.box li,
article ol.box li {
  margin: 0;
  padding-top: 0.375em;
  padding-bottom: 0.375em;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  border-bottom: 1pt solid #424242;
}
article ul.box li:last-child,
article ol.box li:last-child {
  border-bottom: none;
}
article ul.box.multiline li,
article ol.box.multiline li {
  padding-top: 1.5em;
  padding-bottom: 1.5em;
}
article ul.box ul,
article ol.box ul,
article ul.box ol,
article ol.box ol {
  margin: 0;
  border: none;
  background-color: transparent;
}
article ul.box ul li,
article ol.box ul li,
article ul.box ol li,
article ol.box ol li {
  border-bottom: none;
}
article ul.box.borderless,
article ol.box.borderless {
  border: none;
}
article img {
  display: block;
  margin-top: 0;
  margin-bottom: 0;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
}
article .secondary {
  font-size: 0.8em;
  opacity: 0.8;
}
article blockquote {
  margin-top: 1em;
  margin-bottom: 1em;
  margin-left: 0;
  margin-right: 0;
  padding-top: 0.5em;
  padding-bottom: 0.5em;
  padding-left: 1rem;
  padding-right: 1rem;
  background-color: rgba(66,66,66,0.7);
  font-family: serif;
}
article blockquote p {
  margin: 0;
}
article blockquote ul,
article blockquote ol {
  margin: 0;
}
article blockquote.note {
  background-color: #212121;
}
article blockquote.note:before {
  content: "Note:";
  display: block;
  font-weight: 800;
  position: relative;
  left: -0.5rem;
}
article blockquote.note p~p {
  margin-top: 1em;
}
article tt,
article code,
article kbd,
article samp {
  font-family: Consolas, monospace;
}
@media screen and (min-width: 768px) {
  article {
    padding-top: 1em;
    padding-bottom: 1em;
    padding-left: 1em;
    padding-right: 1em;
  }
  article h2,
  article h3 {
    margin: 3em 0 1em 0;
  }
  article ul.box li,
  article ol.box li {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  article img {
    max-width: 90%;
  }
  article blockquote {
    margin-left: 1rem;
    margin-right: 1rem;
  }
  article blockquote.note {
    margin-left: 0;
    margin-right: 0;
    padding-left: 2rem;
    padding-right: 2rem;
  }
  article blockquote.note:before {
    left: -1rem;
  }
}
@media screen and (min-width: 1024px) {
  article {
    padding-left: 2em;
    padding-right: 2em;
  }
  article ul.box li,
  article ol.box li {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  article img {
    max-width: 80%;
  }
}
@media print {
  article span,
  article strong {
    color: #000 !important;
  }
  article ul.box,
  article ol.box {
    background-color: transparent;
  }
  article pre code {
    background-color: #eee;
  }
  article blockquote,
  article blockquote.note {
    background-color: #e0e0e0;
  }
  article table.striped thead tr {
    background-color: #eee;
  }
  article table.striped tbody tr:nth-child(even) {
    background-color: #eee;
  }
  article table.striped tbody tr:nth-child(odd) {
    background-color: #f5f5f5;
  }
}
.dark {
  color: #9e9e9e;
  background-color: rgba(66,66,66,0.7);
}
a.dark,
a.dark:visited {
  color: #bdbdbd;
}
.dark:hover,
.dark:focus {
  color: #e0e0e0;
}
.dark:active,
.dark[aria-checked='true'],
.dark[aria-selected='true'] {
  color: #fff;
}
h1,
h2,
h3 {
  font-weight: bolder;
}
html {
  background-image: url("/bg3.jpg");
  background-position: 17% 50%;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}
body {
  margin-top: 2.85rem;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex-pack: justify;
      justify-content: space-between;
  min-height: calc( 100vh - 2.85rem);
  background-color: rgba(0,0,0,0.7);
  -ms-text-size-adjust: none;
      text-size-adjust: none;
  -webkit-text-size-adjust: none;
}
header {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: row;
      flex-direction: row;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-pack: justify;
      justify-content: space-between;
  padding: 0.25em 1ch 0.25em 1ch;
  position: fixed;
  z-index: 99;
  left: 0;
  top: 0;
  width: 100%;
  box-sizing: border-box;
  background-color: #212121;
  box-shadow: 0 0.5em 1em #000;
}
article {
  margin: 0 auto;
  max-width: 60ch;
}
.placeholder {
  visibility: hidden;
}
.placeholder:after {
  white-space: pre;
  content: " ";
}
[aria-hidden="true"] {
  display: none;
}
.panel {
  margin-top: 1em;
  margin-bottom: 1em;
  margin-left: 0;
  margin-right: 0;
  padding: 1px 0;
}
.panel h3 {
  margin: 1em auto;
}
.checkbox,
.button {
  white-space: nowrap;
  text-decoration: none;
  border: none;
  padding: 0.25em 1em 0.25em 0.7em;
  box-sizing: border-box;
  font-size: inherit;
  line-height: 2;
  cursor: pointer;
  font-family: inherit;
}
.checkbox:before,
.button:before {
  margin-right: 0.3em;
  vertical-align: baseline;
}
.checkbox:before {
  opacity: 0.2;
}
.checkbox:hover:before,
.checkbox:active:before {
  opacity: 0.4;
}
.checkbox[aria-checked='true']:before,
.checkbox[aria-selected='true']:before {
  opacity: 0.9;
}
.button:before {
  opacity: 0.5;
}
.button:hover:before {
  opacity: 0.8;
}
.button:active:before {
  opacity: 1;
}
.overlay {
  position: fixed;
  z-index: 98;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-pack: center;
      justify-content: center;
  overflow: hidden;
}
.overlay[aria-hidden="true"] {
  display: none;
}
.overlay .content {
  padding: 2em;
  margin: 2em;
  background-color: rgba(245,245,245,0.9);
  box-shadow: 0.5em 0.5em 2em #757575;
  color: #000;
}
.overlay .content img {
  display: block;
  margin: 0 auto;
}
.overlay .content .title {
  margin-top: 1rem;
  font-size: 1.6em;
  text-align: center;
}
.overlay .content .hint {
  margin-top: 1rem;
  font-size: 0.8em;
  text-align: center;
  color: #424242;
}
.qr-code {
  max-width: 90vw;
  width: auto;
  height: auto;
}
@media screen and (min-width: 768px) {
  html {
    background-position: center;
  }
  body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: row;
        flex-direction: row;
    -ms-flex-pack: center;
        justify-content: center;
    -ms-flex-align: stretch;
        align-items: stretch;
    min-height: calc(100vh - 4rem);
    margin-bottom: 1.15rem;
  }
  body .main {
    -ms-flex-preferred-size: 100%;
        flex-basis: 100%;
  }
  body .overlay {
    height: calc(100% - 1.15rem);
  }
  body footer {
    display: block;
    position: fixed;
    z-index: 99;
    bottom: 0;
    left: 0;
    margin-top: 0;
  }
  .checkbox,
  .button {
    transition: background-color 0.3s, color 0.3s;
  }
  .checkbox:before,
  .button:before {
    transition: opacity 0.3s;
  }
  .panel {
    margin-left: 1rem;
    margin-right: 1rem;
  }
}
@media screen and (min-width: 1024px) {
  html {
    letter-spacing: 0.02em;
  }
  body {
    -ms-flex-pack: distribute;
        justify-content: space-around;
    background: transparent;
  }
  body .main {
    -ms-flex-preferred-size: initial;
        flex-basis: initial;
    padding-bottom: 3em;
    padding-left: 8ch;
    padding-right: 8ch;
    box-shadow: 0 0 8ch #000;
    background-color: rgba(0,0,0,0.8);
  }
  article {
    max-width: 70ch;
    min-width: 70ch;
  }
}
@media print {
  header {
    display: none;
  }
  .ctrl {
    display: none !important;
  }
  body {
    margin-top: 0;
  }
  body .main {
    padding-top: 0;
  }
}