body {
  width: 100%;
}
body:before,
body:after {
  content: "";
  display: table;
}
body:after {
  clear: both;
}
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,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-weight: inherit;
  font-style: inherit;
  font-family: inherit;
  font-size: 100%;
  vertical-align: baseline;
}
body {
  line-height: 1;
  color: #000;
  background: #fff;
}
ol,
ul {
  list-style: none;
}
table {
  border-collapse: separate;
  border-spacing: 0;
  vertical-align: middle;
}
caption,
th,
td {
  text-align: left;
  font-weight: normal;
  vertical-align: middle;
}
a img {
  border: none;
}
input,
button {
  margin: 0;
  padding: 0;
}
input::-moz-focus-inner,
button::-moz-focus-inner {
  border: 0;
  padding: 0;
}
html,
body,
#container {
  height: 100%;
}
body {
  background: #eee;
  font: 14px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-text-size-adjust: 100%;
}
.fa {
  display: inline-block;
  min-width: 1em;
  text-align: center;
  font-style: normal;
  font-weight: 700;
  line-height: 1;
}
.fa-bars:before {
  content: "≡";
}
.fa-rss:before {
  content: "RSS";
  font-size: 0.72em;
}
.fa-share:before {
  content: "↗";
  margin-right: 0.2em;
}
.fa-comment:before {
  content: "□";
  margin-right: 0.2em;
}
.fa-twitter:before {
  content: "X";
}
.fa-facebook:before {
  content: "f";
}
.fa-pinterest:before {
  content: "P";
}
.fa-linkedin:before {
  content: "in";
}
.outer {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 20px;
}
.outer:before,
.outer:after {
  content: "";
  display: table;
}
.outer:after {
  clear: both;
}
.inner {
  display: inline;
  float: left;
  width: 97.77777777777777%;
  margin: 0 1.111111111111111%;
}
.left,
.alignleft {
  float: left;
}
.right,
.alignright {
  float: right;
}
.clear {
  clear: both;
}
#container {
  position: relative;
}
.mobile-nav-on {
  overflow: hidden;
}
#wrap {
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transition: 0.2s ease-out;
  -moz-transition: 0.2s ease-out;
  -ms-transition: 0.2s ease-out;
  transition: 0.2s ease-out;
  z-index: 1;
  background: #eee;
}
.mobile-nav-on #wrap {
  left: 280px;
}
.article-date,
.article-category-link,
.archive-year {
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #999;
  margin-bottom: 1em;
  margin-left: 5px;
  line-height: 1em;
  text-shadow: 0 1px #fff;
  font-weight: bold;
}
.article-inner,
.archive-article-inner {
  background: #fff;
  -webkit-box-shadow: 1px 2px 3px #ddd;
  box-shadow: 1px 2px 3px #ddd;
  border: 1px solid #ddd;
  border-radius: 3px;
}
.article-entry h1 {
  font-size: 2em;
}
.article-entry h2 {
  font-size: 1.5em;
}
.article-entry h3 {
  font-size: 1.3em;
}
.article-entry h4 {
  font-size: 1.2em;
}
.article-entry h5 {
  font-size: 1em;
}
.article-entry h6 {
  font-size: 1em;
  color: #999;
}
.article-entry hr {
  border: 1px dashed #ddd;
}
.article-entry strong {
  font-weight: bold;
}
.article-entry em,
.article-entry cite {
  font-style: italic;
}
.article-entry sup,
.article-entry sub {
  font-size: 0.75em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
.article-entry sup {
  top: -0.5em;
}
.article-entry sub {
  bottom: -0.2em;
}
.article-entry small {
  font-size: 0.85em;
}
.article-entry acronym,
.article-entry abbr {
  border-bottom: 1px dotted;
}
.article-entry ul,
.article-entry ol,
.article-entry dl {
  margin: 0 20px;
  line-height: 1.6em;
}
.article-entry ul ul,
.article-entry ol ul,
.article-entry ul ol,
.article-entry ol ol {
  margin-top: 0;
  margin-bottom: 0;
}
.article-entry ul {
  list-style: disc;
}
.article-entry ol {
  list-style: decimal;
}
.article-entry dt {
  font-weight: bold;
}
#header {
  height: 150px;
  position: relative;
  border-bottom: 1px solid #ddd;
}
#header:before,
#header:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 40px;
}
#header:before {
  top: 0;
  background: -webkit-linear-gradient(rgba(0,0,0,0.2), transparent);
  background: -moz-linear-gradient(rgba(0,0,0,0.2), transparent);
  background: -ms-linear-gradient(rgba(0,0,0,0.2), transparent);
  background: linear-gradient(rgba(0,0,0,0.2), transparent);
}
#header:after {
  bottom: 0;
  background: -webkit-linear-gradient(transparent, rgba(0,0,0,0.2));
  background: -moz-linear-gradient(transparent, rgba(0,0,0,0.2));
  background: -ms-linear-gradient(transparent, rgba(0,0,0,0.2));
  background: linear-gradient(transparent, rgba(0,0,0,0.2));
}
#header-outer {
  height: 100%;
  position: relative;
}
#header-inner {
  position: relative;
  overflow: hidden;
}
#banner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("images/banner.jpg") center #000;
  background-size: cover;
  z-index: -1;
}
#header-title {
  text-align: center;
  height: 40px;
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -20px;
}
#logo,
#subtitle {
  text-decoration: none;
  color: #fff;
  font-weight: 300;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
#logo {
  font-size: 40px;
  line-height: 40px;
  letter-spacing: 2px;
}
#subtitle {
  font-size: 16px;
  line-height: 16px;
  letter-spacing: 1px;
}
#subtitle-wrap {
  margin-top: 16px;
}
#main-nav {
  float: left;
  margin-left: -15px;
}
.nav-icon,
.main-nav-link {
  float: left;
  color: #fff;
  opacity: 0.6;
  text-decoration: none;
  text-shadow: 0 1px rgba(0,0,0,0.2);
  -webkit-transition: opacity 0.2s;
  -moz-transition: opacity 0.2s;
  -ms-transition: opacity 0.2s;
  transition: opacity 0.2s;
  display: block;
  padding: 20px 15px;
}
.nav-icon:hover,
.main-nav-link:hover {
  opacity: 1;
}
.nav-icon {
  text-align: center;
  font-size: 14px;
  width: 14px;
  height: 14px;
  padding: 20px 15px;
  position: relative;
  cursor: pointer;
}
.main-nav-link {
  font-weight: 300;
  letter-spacing: 1px;
}
@media screen and (max-width: 479px) {
  .main-nav-link {
    display: none;
  }
}
#main-nav-toggle {
  display: none;
}
@media screen and (max-width: 479px) {
  #main-nav-toggle {
    display: block;
  }
}
#sub-nav {
  float: right;
  margin-right: -15px;
}
#search-form-wrap {
  position: absolute;
  top: 15px;
  width: 150px;
  height: 30px;
  right: -150px;
  opacity: 0;
  -webkit-transition: 0.2s ease-out;
  -moz-transition: 0.2s ease-out;
  -ms-transition: 0.2s ease-out;
  transition: 0.2s ease-out;
}
#search-form-wrap.on {
  opacity: 1;
  right: 0;
}
@media screen and (max-width: 479px) {
  #search-form-wrap {
    width: 100%;
    right: -100%;
  }
}
.search-form {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: #fff;
  padding: 5px 15px;
  border-radius: 15px;
  -webkit-box-shadow: 0 0 10px rgba(0,0,0,0.3);
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}
.search-form-input {
  border: none;
  background: none;
  color: #555;
  width: 100%;
  font: 13px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  outline: none;
}
.search-form-input::-webkit-search-results-decoration,
.search-form-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}
.search-form-submit {
  position: absolute;
  top: 50%;
  right: 10px;
  margin-top: -7px;
  font: 13px ForkAwesome;
  border: none;
  background: none;
  color: #bbb;
  cursor: pointer;
}
.search-form-submit:hover,
.search-form-submit:focus {
  color: #777;
}
.article {
  margin: 0 0 24px;
}
.article-inner {
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid #dfe4ea;
  -webkit-box-shadow: 0 8px 22px rgba(31,41,55,0.06);
  box-shadow: 0 8px 22px rgba(31,41,55,0.06);
}
.article-meta {
  margin-bottom: 8px;
}
.article-meta:before,
.article-meta:after {
  content: "";
  display: table;
}
.article-meta:after {
  clear: both;
}
.article-date {
  float: left;
}
.article-category {
  float: left;
  line-height: 1em;
  color: #ccc;
  text-shadow: 0 1px #fff;
  margin-left: 8px;
}
.article-category:before {
  content: "\2022";
}
.article-category-link {
  margin: 0 12px 1em;
}
.article-header {
  padding: 20px 20px 0;
}
.article-title {
  text-decoration: none;
  font-size: 1.6em;
  font-weight: bold;
  color: #555;
  line-height: 1.1em;
  -webkit-transition: color 0.2s;
  -moz-transition: color 0.2s;
  -ms-transition: color 0.2s;
  transition: color 0.2s;
}
a.article-title:hover {
  color: #258fb8;
}
.article-export-tools {
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: box;
  display: flex;
  -webkit-box-lines: multiple;
  -moz-box-lines: multiple;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 8px;
  -webkit-box-align: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  margin-top: 14px;
}
.export-btn {
  padding: 7px 10px;
  border: 1px solid #cfd8dd;
  border-radius: 6px;
  background: #f7faf9;
  color: #28544f;
  cursor: pointer;
  font: 13px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}
.export-btn:hover {
  border-color: #2f8f83;
  background: #edf7f4;
}
.export-menu-wrap {
  position: relative;
}
.export-menu-toggle:after {
  content: "▾";
  margin-left: 8px;
  font-size: 12px;
}
.export-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 10;
  min-width: 190px;
  margin-top: 6px;
  padding: 6px;
  border: 1px solid #d6dde3;
  border-radius: 8px;
  background: #fff;
  -webkit-box-shadow: 0 10px 24px rgba(31,41,55,0.14);
  box-shadow: 0 10px 24px rgba(31,41,55,0.14);
}
.export-menu-label {
  display: block;
  padding: 6px 10px 4px;
  color: #8a96a0;
  font: 12px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}
.export-menu-label-section {
  margin-top: 6px;
  border-top: 1px solid #edf1f3;
  padding-top: 10px;
}
.export-menu-wrap.open .export-menu {
  display: block;
}
.export-menu-item {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #2f3b4a;
  cursor: pointer;
  font: 13px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  text-align: left;
  white-space: nowrap;
}
.export-menu-item:hover {
  background: #edf7f4;
  color: #16776d;
}
.export-tip {
  color: #6b7882;
  font-size: 13px;
}
.pdf-export-overlay {
  position: fixed;
  left: -12000px;
  top: 0;
  width: 900px;
  height: auto;
  z-index: 9999;
  overflow: visible;
  padding: 0;
  background: #fff;
  pointer-events: none;
}
.pdf-export-document {
  width: 760px;
  padding: 32px;
  margin: 0 auto;
  background: #fff;
  color: #1f2937;
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-box-shadow: 0 16px 40px rgba(31,41,55,0.18);
  box-shadow: 0 16px 40px rgba(31,41,55,0.18);
  pointer-events: none;
  overflow: visible;
}
.pdf-export-document .export-page-section,
.pdf-export-document h1,
.pdf-export-document h2,
.pdf-export-document h3,
.pdf-export-document h4,
.pdf-export-document p,
.pdf-export-document li,
.pdf-export-document blockquote,
.pdf-export-document figure,
.pdf-export-document pre,
.pdf-export-document table,
.pdf-export-document img {
  break-inside: avoid;
  page-break-inside: avoid;
}
.pdf-export-document h1,
.pdf-export-document h2,
.pdf-export-document h3,
.pdf-export-document h4 {
  break-after: avoid;
  page-break-after: avoid;
}
.pdf-export-document h1 {
  margin: 0 0 24px;
  font-size: 28px;
}
.pdf-export-document h2,
.pdf-export-document h3,
.pdf-export-document h4 {
  margin-top: 24px;
  margin-bottom: 12px;
}
.pdf-export-document p,
.pdf-export-document li {
  widows: 3;
  orphans: 3;
}
.pdf-export-document pre,
.pdf-export-document figure.highlight {
  white-space: pre-wrap;
  overflow: visible;
}
.pdf-export-document code {
  font-family: "Source Code Pro", Consolas, Monaco, Menlo, Consolas, monospace;
}
.pdf-export-document > .article-entry {
  padding: 0;
}
.pdf-export-document .highlight,
.pdf-export-document pre {
  background: #2d2d2d;
  color: #ccc;
  border-style: solid;
  border-color: #ddd;
  border-width: 1px 0;
}
.pdf-export-document pre {
  margin: 0;
  padding: 15px 20px;
}
.pdf-export-document pre code {
  background: none;
  color: inherit;
  text-shadow: none;
  padding: 0;
}
.pdf-export-document .highlight {
  margin: 1.6em 0;
  padding: 15px 20px;
}
.pdf-export-document .highlight table {
  width: auto;
  margin: 0;
  border-collapse: collapse;
}
.pdf-export-document .highlight th,
.pdf-export-document .highlight td {
  border: none;
  padding: 0;
}
.pdf-export-document .highlight pre {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
}
.pdf-export-document .highlight .gutter {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.pdf-export-document .highlight .gutter pre {
  color: #666;
  font-size: 0.85em;
  text-align: right;
  padding-right: 20px;
}
.pdf-export-document .highlight .code pre {
  color: #ccc;
}
.pdf-export-document .highlight .line {
  min-height: 22.400000000000002px;
}
.pdf-export-document img {
  max-width: 100%;
  height: auto;
}
.pdf-export-document table {
  width: 100%;
  border-collapse: collapse;
}
.pdf-export-document th,
.pdf-export-document td {
  border: 1px solid #d6dde3;
  padding: 8px;
}
.article-entry {
  color: #555;
  padding: 0 20px;
}
.article-entry:before,
.article-entry:after {
  content: "";
  display: table;
}
.article-entry:after {
  clear: both;
}
.article-entry p,
.article-entry table {
  line-height: 1.6em;
  margin: 1.6em 0;
}
.article-entry h1,
.article-entry h2,
.article-entry h3,
.article-entry h4,
.article-entry h5,
.article-entry h6 {
  font-weight: bold;
}
.article-entry h1,
.article-entry h2,
.article-entry h3,
.article-entry h4,
.article-entry h5,
.article-entry h6 {
  line-height: 1.1em;
  margin: 1.1em 0;
}
.article-entry a {
  color: #258fb8;
  text-decoration: none;
}
.article-entry a:hover {
  text-decoration: underline;
}
.article-entry ul,
.article-entry ol,
.article-entry dl {
  margin-top: 1.6em;
  margin-bottom: 1.6em;
}
.article-entry img,
.article-entry video {
  max-width: 100%;
  height: auto;
  display: block;
  margin: auto;
}
.article-entry iframe {
  border: none;
}
.article-entry table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}
.article-entry th {
  font-weight: bold;
  border-bottom: 3px solid #ddd;
  padding-bottom: 0.5em;
}
.article-entry td {
  border-bottom: 1px solid #ddd;
  padding: 10px 0;
}
.article-entry blockquote {
  font-family: Georgia, "Times New Roman", serif;
  margin: 1.6em 20px;
  text-align: center;
}
.article-entry blockquote footer {
  font-size: 14px;
  margin: 1.6em 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}
.article-entry blockquote footer cite:before {
  content: "—";
  padding: 0 0.5em;
}
.article-entry .pullquote {
  text-align: left;
  width: 45%;
  margin: 0;
}
.article-entry .pullquote.left {
  margin-left: 0.5em;
  margin-right: 1em;
}
.article-entry .pullquote.right {
  margin-right: 0.5em;
  margin-left: 1em;
}
.article-entry .caption {
  color: #999;
  display: block;
  font-size: 0.9em;
  margin-top: 0.5em;
  position: relative;
  text-align: center;
}
.article-entry .video-container {
  position: relative;
  padding-top: 56.25%;
  height: 0;
  overflow: hidden;
}
.article-entry .video-container iframe,
.article-entry .video-container object,
.article-entry .video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin-top: 0;
}
.article-summary {
  color: #4b5563;
  font-size: 1em;
  line-height: 1.8;
  margin: 1em 0 0;
}
.article-more-link a {
  display: inline-block;
  line-height: 1em;
  padding: 8px 14px;
  border-radius: 6px;
  background: #eef6fb;
  color: #258fb8;
  text-shadow: none;
  text-decoration: none;
}
.article-more-link a:hover {
  background: #258fb8;
  color: #fff;
  text-decoration: none;
  text-shadow: 0 1px #1e7293;
}
a.link-broken,
a.link-unknown {
  position: relative;
  color: #a33a2a !important;
  text-decoration: line-through;
}
a.link-broken:after,
a.link-unknown:after {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 12px;
  line-height: 1.2;
  text-decoration: none;
  vertical-align: middle;
}
a.link-broken:after {
  content: "失效";
  color: #fff;
  background: #b42318;
}
a.link-unknown:after {
  content: "可能失效";
  color: #7a3b00;
  background: #fff3cd;
  border: 1px solid #f4d27a;
}
a.link-image-status {
  display: inline-block;
}
a.link-image-status:after {
  position: absolute;
  right: 8px;
  bottom: 8px;
  margin-left: 0;
  -webkit-box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.ad-slot {
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: box;
  display: flex;
  -webkit-box-align: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  min-height: 72px;
  margin: 22px 0 28px;
  border: 1px dashed #cfd8dd;
  border-radius: 8px;
  background: #f7faf9;
  color: #8a98a3;
  font-size: 14px;
}
.ad-slot span {
  letter-spacing: 0;
}
.ad-slot-article-bottom {
  margin-top: 34px;
  margin-bottom: 8px;
}
.article-footer {
  font-size: 0.85em;
  line-height: 1.6em;
  border-top: 1px solid #ddd;
  padding-top: 1.6em;
  margin: 0 20px 20px;
}
.article-footer:before,
.article-footer:after {
  content: "";
  display: table;
}
.article-footer:after {
  clear: both;
}
.article-footer a {
  color: #999;
  text-decoration: none;
}
.article-footer a:hover {
  color: #555;
}
.article-tag-list-item {
  float: left;
  margin-right: 10px;
}
.article-tag-list-link:before {
  content: "#";
}
.article-comment-link {
  float: right;
}
.article-comment-link:before {
  padding-right: 8px;
}
.article-share-link {
  cursor: pointer;
  float: right;
  margin-left: 20px;
}
.article-share-link:before {
  padding-right: 6px;
}
#article-nav {
  position: relative;
}
#article-nav:before,
#article-nav:after {
  content: "";
  display: table;
}
#article-nav:after {
  clear: both;
}
@media screen and (min-width: 768px) {
  #article-nav {
    margin: 50px 0;
  }
  #article-nav:before {
    width: 8px;
    height: 8px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -4px;
    margin-left: -4px;
    content: "";
    border-radius: 50%;
    background: #ddd;
    -webkit-box-shadow: 0 1px 2px #fff;
    box-shadow: 0 1px 2px #fff;
  }
}
.article-nav-link-wrap {
  text-decoration: none;
  text-shadow: 0 1px #fff;
  color: #999;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin-top: 50px;
  text-align: center;
  display: block;
}
.article-nav-link-wrap:hover {
  color: #555;
}
@media screen and (min-width: 768px) {
  .article-nav-link-wrap {
    width: 50%;
    margin-top: 0;
  }
}
@media screen and (min-width: 768px) {
  #article-nav-newer {
    float: left;
    text-align: right;
    padding-right: 20px;
  }
}
@media screen and (min-width: 768px) {
  #article-nav-older {
    float: right;
    text-align: left;
    padding-left: 20px;
  }
}
.article-nav-caption {
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #ddd;
  line-height: 1em;
  font-weight: bold;
}
#article-nav-newer .article-nav-caption {
  margin-right: -2px;
}
.article-nav-title {
  font-size: 0.85em;
  line-height: 1.6em;
  margin-top: 0.5em;
}
.article-share-box {
  position: absolute;
  display: none;
  background: #fff;
  -webkit-box-shadow: 1px 2px 10px rgba(0,0,0,0.2);
  box-shadow: 1px 2px 10px rgba(0,0,0,0.2);
  border-radius: 3px;
  margin-left: -145px;
  overflow: hidden;
  z-index: 1;
}
.article-share-box.on {
  display: block;
}
.article-share-input {
  width: 100%;
  background: none;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font: 14px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  padding: 0 15px;
  color: #555;
  outline: none;
  border: 1px solid #ddd;
  border-radius: 3px 3px 0 0;
  height: 36px;
  line-height: 36px;
}
.article-share-links {
  background: #eee;
}
.article-share-links:before,
.article-share-links:after {
  content: "";
  display: table;
}
.article-share-links:after {
  clear: both;
}
.article-share-twitter,
.article-share-facebook,
.article-share-pinterest,
.article-share-linkedin {
  width: 50px;
  height: 36px;
  display: block;
  float: left;
  position: relative;
  color: #999;
  text-shadow: 0 1px #fff;
}
.article-share-twitter .fa,
.article-share-facebook .fa,
.article-share-pinterest .fa,
.article-share-linkedin .fa {
  font-size: 20px;
  width: 20px;
  height: 20px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -10px;
  margin-left: -10px;
  text-align: center;
}
.article-share-twitter:hover,
.article-share-facebook:hover,
.article-share-pinterest:hover,
.article-share-linkedin:hover {
  color: #fff;
}
.article-share-twitter:hover {
  background: #00aced;
  text-shadow: 0 1px #008abe;
}
.article-share-facebook:hover {
  background: #3b5998;
  text-shadow: 0 1px #2f477a;
}
.article-share-pinterest:hover {
  background: #cb2027;
  text-shadow: 0 1px #a21a1f;
}
.article-share-linkedin:hover {
  background: #0077b5;
  text-shadow: 0 1px #005f91;
}
.article-gallery {
  background: #000;
  position: relative;
}
.article-gallery-photos {
  position: relative;
  overflow: hidden;
}
.article-gallery-img {
  display: none;
  max-width: 100%;
}
.article-gallery-img:first-child {
  display: block;
}
.article-gallery-img.loaded {
  position: absolute;
  display: block;
}
.article-gallery-img img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
}
#comments {
  background: #fff;
  -webkit-box-shadow: 1px 2px 3px #ddd;
  box-shadow: 1px 2px 3px #ddd;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 3px;
  margin: 50px 0;
}
#comments a {
  color: #258fb8;
}
.archives-wrap {
  margin: 50px 0;
}
.archives:before,
.archives:after {
  content: "";
  display: table;
}
.archives:after {
  clear: both;
}
.archive-year-wrap {
  margin-bottom: 1em;
}
.archives {
  -webkit-column-gap: 10px;
  -moz-column-gap: 10px;
  column-gap: 10px;
}
@media screen and (min-width: 480px) and (max-width: 767px) {
  .archives {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    column-count: 2;
  }
}
@media screen and (min-width: 768px) {
  .archives {
    -webkit-column-count: 3;
    -moz-column-count: 3;
    column-count: 3;
  }
}
.archive-article {
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  overflow: hidden;
  break-inside: avoid-column;
}
.archive-article-inner {
  padding: 10px;
  margin-bottom: 15px;
}
.archive-article-title {
  text-decoration: none;
  font-weight: bold;
  color: #555;
  -webkit-transition: color 0.2s;
  -moz-transition: color 0.2s;
  -ms-transition: color 0.2s;
  transition: color 0.2s;
  line-height: 1.6em;
}
.archive-article-title:hover {
  color: #258fb8;
}
.archive-article-footer {
  margin-top: 1em;
}
.archive-article-date {
  color: #999;
  text-decoration: none;
  font-size: 0.85em;
  line-height: 1em;
  margin-bottom: 0.5em;
  display: block;
}
#page-nav {
  margin: 50px auto;
  background: #fff;
  -webkit-box-shadow: 1px 2px 3px #ddd;
  box-shadow: 1px 2px 3px #ddd;
  border: 1px solid #ddd;
  border-radius: 3px;
  text-align: center;
  color: #999;
  overflow: hidden;
}
#page-nav:before,
#page-nav:after {
  content: "";
  display: table;
}
#page-nav:after {
  clear: both;
}
#page-nav a,
#page-nav span {
  padding: 10px 20px;
  line-height: 1;
  height: 2ex;
}
#page-nav a {
  color: #999;
  text-decoration: none;
}
#page-nav a:hover {
  background: #999;
  color: #fff;
}
#page-nav .prev {
  float: left;
}
#page-nav .next {
  float: right;
}
#page-nav .page-number {
  display: inline-block;
}
@media screen and (max-width: 479px) {
  #page-nav .page-number {
    display: none;
  }
}
#page-nav .current {
  color: #555;
  font-weight: bold;
}
#page-nav .space {
  color: #ddd;
}
#footer {
  background: #262a30;
  padding: 50px 0;
  border-top: 1px solid #ddd;
  color: #999;
}
#footer a {
  color: #258fb8;
  text-decoration: none;
}
#footer a:hover {
  text-decoration: underline;
}
#footer-info {
  line-height: 1.6em;
  font-size: 0.85em;
}
.article-entry pre,
.article-entry .highlight {
  background: #2d2d2d;
  margin: 0 -20px;
  padding: 15px 20px;
  border-style: solid;
  border-color: #ddd;
  border-width: 1px 0;
  overflow: auto;
  color: #ccc;
  line-height: 22.400000000000002px;
}
.article-entry .highlight .gutter pre,
.article-entry .gist .gist-file .gist-data .line-numbers {
  color: #666;
  font-size: 0.85em;
}
.article-entry pre,
.article-entry code {
  font-family: "Source Code Pro", Consolas, Monaco, Menlo, Consolas, monospace;
}
.article-entry code {
  background: #eee;
  text-shadow: 0 1px #fff;
  padding: 0 0.3em;
}
.article-entry pre code {
  background: none;
  text-shadow: none;
  padding: 0;
}
.article-entry .highlight pre {
  border: none;
  margin: 0;
  padding: 0;
}
.article-entry .highlight table {
  margin: 0;
  width: auto;
}
.article-entry .highlight td {
  border: none;
  padding: 0;
}
.article-entry .highlight figcaption {
  font-size: 0.85em;
  color: #999;
  line-height: 1em;
  margin-bottom: 1em;
}
.article-entry .highlight figcaption:before,
.article-entry .highlight figcaption:after {
  content: "";
  display: table;
}
.article-entry .highlight figcaption:after {
  clear: both;
}
.article-entry .highlight figcaption a {
  float: right;
}
.article-entry .highlight .gutter {
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.article-entry .highlight .gutter pre {
  text-align: right;
  padding-right: 20px;
}
.article-entry .highlight .line {
  height: 22.400000000000002px;
}
.article-entry .highlight .line.marked {
  background: #515151;
}
.article-entry .gist {
  margin: 0 -20px;
  border-style: solid;
  border-color: #ddd;
  border-width: 1px 0;
  background: #2d2d2d;
  padding: 15px 20px 15px 0;
}
.article-entry .gist .gist-file {
  border: none;
  font-family: "Source Code Pro", Consolas, Monaco, Menlo, Consolas, monospace;
  margin: 0;
}
.article-entry .gist .gist-file .gist-data {
  background: none;
  border: none;
}
.article-entry .gist .gist-file .gist-data .line-numbers {
  background: none;
  border: none;
  padding: 0 20px 0 0;
}
.article-entry .gist .gist-file .gist-data .line-data {
  padding: 0 !important;
}
.article-entry .gist .gist-file .highlight {
  margin: 0;
  padding: 0;
  border: none;
}
.article-entry .gist .gist-file .gist-meta {
  background: #2d2d2d;
  color: #999;
  font: 0.85em -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  text-shadow: 0 0;
  padding: 0;
  margin-top: 1em;
  margin-left: 20px;
}
.article-entry .gist .gist-file .gist-meta a {
  color: #258fb8;
  font-weight: normal;
}
.article-entry .gist .gist-file .gist-meta a:hover {
  text-decoration: underline;
}
pre .comment,
pre .title {
  color: #999;
}
pre .variable,
pre .attribute,
pre .tag,
pre .regexp,
pre .ruby .constant,
pre .xml .tag .title,
pre .xml .pi,
pre .xml .doctype,
pre .html .doctype,
pre .css .id,
pre .css .class,
pre .css .pseudo {
  color: #f2777a;
}
pre .number,
pre .preprocessor,
pre .built_in,
pre .literal,
pre .params,
pre .constant {
  color: #f99157;
}
pre .class,
pre .ruby .class .title,
pre .css .rules .attribute {
  color: #9c9;
}
pre .string,
pre .value,
pre .inheritance,
pre .header,
pre .ruby .symbol,
pre .xml .cdata {
  color: #9c9;
}
pre .css .hexcolor {
  color: #6cc;
}
pre .function,
pre .python .decorator,
pre .python .title,
pre .ruby .function .title,
pre .ruby .title .keyword,
pre .perl .sub,
pre .javascript .title,
pre .coffeescript .title {
  color: #69c;
}
pre .keyword,
pre .javascript .function {
  color: #c9c;
}
@media screen and (max-width: 479px) {
  #mobile-nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: #191919;
    border-right: 1px solid #fff;
  }
}
@media screen and (max-width: 479px) {
  .mobile-nav-link {
    display: block;
    color: #999;
    text-decoration: none;
    padding: 15px 20px;
    font-weight: bold;
  }
  .mobile-nav-link:hover {
    color: #fff;
  }
}
.wiki-shell {
  max-width: 1480px;
  margin: 0 auto;
  padding: 28px 28px 40px;
}
.wiki-sidebar {
  margin-bottom: 24px;
}
.wiki-sidebar-inner {
  background: #fff;
  border: 1px solid #d9e1e7;
  border-radius: 8px;
  -webkit-box-shadow: 0 8px 24px rgba(31,41,55,0.06);
  box-shadow: 0 8px 24px rgba(31,41,55,0.06);
  padding: 16px;
}
.wiki-home-link {
  display: block;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  background: #edf7f4;
  color: #16756a;
  font-weight: 700;
  text-decoration: none;
}
.wiki-tree-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.wiki-tree-action {
  border: 1px solid #d4dde4;
  border-radius: 6px;
  background: #f7faf9;
  color: #425466;
  cursor: pointer;
  font: 13px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  padding: 7px 8px;
}
.wiki-tree-action:hover {
  border-color: #2f8f83;
  color: #16756a;
  background: #edf7f4;
}
.wiki-tree-nav details {
  border-top: 1px solid #e6ebef;
  padding: 10px 0 6px;
}
.wiki-tree-nav .wiki-subtree {
  border-top: 0;
  padding: 0;
}
.wiki-tree-nav summary {
  cursor: pointer;
  color: #263648;
  font-weight: 700;
  line-height: 1.5;
}
.wiki-tree-nav .wiki-subtree summary {
  display: block;
  border-radius: 5px;
  padding: 4px 7px;
  color: #4b5563;
  font-weight: 400;
  overflow-wrap: anywhere;
}
.wiki-tree-nav .wiki-subtree summary:hover {
  background: #edf7f4;
  color: #16756a;
}
.wiki-tree-nav .wiki-subtree summary a {
  display: inline;
  padding: 0;
  color: inherit;
  font-weight: inherit;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.wiki-tree-nav .wiki-subtree summary a:hover {
  background: transparent;
  color: inherit;
}
.wiki-tree-nav details:not([open]) {
  padding-bottom: 10px;
}
.wiki-tree-nav .wiki-subtree:not([open]) {
  padding-bottom: 0;
}
.wiki-tree-nav summary::-webkit-details-marker {
  color: #8a98a3;
}
.wiki-tree-nav ul {
  position: relative;
  margin: 8px 0 0 10px;
  padding: 0 0 0 18px;
}
.wiki-tree-nav ul:before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 8px;
  left: 2px;
  border-left: 1px solid #cad4dc;
}
.wiki-tree-nav ul ul {
  margin-top: 4px;
  margin-left: 4px;
  padding-left: 14px;
}
.wiki-tree-nav ul ul ul {
  margin-left: 2px;
  padding-left: 12px;
}
.wiki-tree-nav ul ul ul ul {
  margin-left: 0;
  padding-left: 10px;
}
.wiki-tree-nav li {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 5px 0 5px 10px;
}
.wiki-tree-nav li:before {
  content: "";
  position: absolute;
  top: 16px;
  left: -16px;
  width: 18px;
  border-top: 1px solid #cad4dc;
}
.wiki-tree-nav a,
.wiki-tree-nav span {
  display: block;
  color: #4b5563;
  line-height: 1.45;
  text-decoration: none;
  border-radius: 5px;
  padding: 4px 7px;
  overflow-wrap: anywhere;
  word-break: normal;
}
.wiki-tree-nav a:hover {
  background: #edf7f4;
  color: #16756a;
}
.wiki-tree-nav a.is-current {
  background: #edf7f4;
  color: #16756a;
  font-weight: 700;
}
.wiki-tree-nav span {
  color: #9aa4af;
}
.wiki-main {
  min-width: 0;
}
.wiki-main .article {
  margin: 0 0 24px;
}
.site-search-bar {
  max-width: 1480px;
  margin: 0 auto;
  padding: 18px 28px 0;
}
.site-search-wrap {
  position: relative;
  z-index: 40;
  width: 300px;
  max-width: 100%;
}
#search-form-wrap.site-search-wrap {
  position: relative;
  top: auto;
  right: auto;
  height: auto;
  width: 300px;
  max-width: 100%;
  opacity: 1;
}
.site-search-form {
  position: relative;
  background: #fff;
  padding: 12px 18px;
  border: 1px solid #d6dde3;
  border-radius: 20px;
  -webkit-box-shadow: 0 10px 24px rgba(31,41,55,0.08);
  box-shadow: 0 10px 24px rgba(31,41,55,0.08);
  margin: 0;
}
.site-search-input {
  font-size: 16px;
}
.site-search-results {
  display: none;
  position: absolute;
  top: 54px;
  left: 0;
  width: 520px;
  max-width: 100%;
  max-height: 420px;
  overflow: auto;
  border: 1px solid #d6dde3;
  border-radius: 8px;
  background: #fff;
  -webkit-box-shadow: 0 14px 34px rgba(31,41,55,0.18);
  box-shadow: 0 14px 34px rgba(31,41,55,0.18);
  z-index: 30;
}
.site-search-results.on {
  display: block;
}
.site-search-empty,
.site-search-loading {
  padding: 14px;
  color: #7b8794;
}
.site-search-result {
  display: block;
  padding: 12px 14px;
  border-bottom: 1px solid #edf1f4;
  color: #334155;
  text-decoration: none;
}
.site-search-result:hover {
  background: #edf7f4;
  color: #16756a;
}
.site-search-result-title {
  display: block;
  font-weight: 700;
  line-height: 1.4;
}
.site-search-result-meta {
  display: block;
  margin-top: 4px;
  color: #8a98a3;
  font-size: 12px;
}
.site-search-result-excerpt {
  display: block;
  margin-top: 6px;
  color: #5f6f7c;
  font-size: 13px;
  line-height: 1.5;
}
.site-search-result mark {
  background: #fff3c4;
  color: inherit;
  padding: 0 2px;
}
.reading-entry-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.reading-entry-list li {
  margin: 0;
  padding: 9px 0;
  border-bottom: 1px solid #edf1f4;
}
.reading-entry-list a {
  color: #1685b5;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.5;
}
.reading-entry-list a:hover {
  color: #0f6f65;
  text-decoration: underline;
}
@media screen and (min-width: 768px) {
  .wiki-shell {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 30px;
    -webkit-box-align: start;
    -moz-box-align: start;
    -ms-flex-align: start;
    -webkit-align-items: start;
    align-items: start;
  }
  .wiki-sidebar {
    position: sticky;
    top: 18px;
    margin-bottom: 0;
  }
  .wiki-sidebar-inner {
    max-height: calc(100vh - 36px);
    overflow: auto;
  }
}
@media screen and (max-width: 479px) {
  .wiki-shell {
    padding: 16px 12px 28px;
  }
  .site-search-bar {
    padding: 14px 12px 0;
  }
  .site-search-wrap,
  #search-form-wrap.site-search-wrap {
    width: 100%;
  }
}
@media print {
  #header,
  #footer,
  .wiki-sidebar,
  .article-meta,
  .article-export-tools,
  .article-footer,
  #article-nav,
  .ad-slot {
    display: none !important;
  }
  html,
  body,
  #container,
  #wrap {
    height: auto;
  }
  #wrap {
    position: static;
  }
  .wiki-shell {
    display: block;
    max-width: none;
    padding: 0;
  }
  #main,
  .wiki-main {
    width: auto !important;
    float: none !important;
    margin: 0 !important;
  }
  .article-inner {
    border: none;
    -webkit-box-shadow: none;
    box-shadow: none;
  }
  .article-entry {
    color: #000;
  }
}