/* start */
footer.text-center.col-xs-12 {
  margin-top: -22px;
}
@media (min-width: 992px) {
  footer.text-center.col-xs-12 {
    width: calc(100% - 320px);
  }
}
#featured-tag a.post-tag-item:hover,
a.float-left:hover,
a.float-right:hover {
  cursor: pointer !important;
}
article p del {
  text-decoration-color: #595959;
}
article.col-xs-12 ul li {
  margin: 10px 0;
  color: #949494;
}
article.col-xs-12 ol li {
  margin: 12px 0;
}
article.col-xs-12 ol li p {
  margin: 12px 0;
}
article.col-xs-12 .hidden-lg.hidden-md.series_links ul li {
  margin: 0;
}
article.col-xs-12 .hidden-lg.hidden-md.series_links ul li a:hover {
  cursor: pointer;
}
@media (min-width: 429px) {
  article ul a {
    padding: 0 2px;
  }
}
article ol a {
  padding: 0 2px;
}
@media (min-width: 500px) {
  article p a:hover,
  article ul a:hover,
  article ol a:hover,
  .gkt-sidebar-content.box-shadow li a:hover {
    border-bottom: 1px dashed #2f6f9c;
  }
}
.gkt-sidebar-content.box-shadow li a {
  padding: 4px 4px;
  color: #337ab7;
}
.gkt-sidebar-content.box-shadow.recent-posts ul {
  margin-left: -30px;
}
#sidebar-toc ol li {
  margin: 2px;
}
.gkt-sidebar-wrapper .link-list a:hover {
  padding: 8px 8px 0 8px;
}
.gkt-sidebar-wrapper a:hover {
  cursor: pointer !important;
}
.gkt-sidebar-wrapper .link-list img {
  padding: 0 30px;
}
.post-container .series_links ul {
  margin-bottom: 20px;
}
@media (min-width: 429px) {
  .post-container .series_links ul {
    margin-bottom: 20px;
    padding: 0 0 0 44px;
  }
}
.toc-off-color .gkt-sidebar-active {
  background-color: #d0ffdd;
  padding: 5px 10px;
  border-radius: 3px;
  margin-left: -36.125px;
}
details .content .toc-nav {
  margin-top: 16px;
  margin-bottom: -2px;
  margin-left: -8px;
}
.mbmulu .mb-sidebar-active {
  color: #337ab7;
  font-weight: bold;
  margin-left: 0;
  background-color: #d0ffdd;
  padding: 4px 4px;
  border-radius: 3px;
}
.mbmulu li {
  margin: 4px 0 !important;
}
.mbmulu details {
  border-radius: 0 !important;
}
.mbmulu details[open]>div.content {
  border-radius: 0 !important;
}
/* end */
/* reset.css start */
/* minireset.css v0.0.3 | MIT License | github.com/jgthms/minireset.css */
html,
body,
p,
ol,
ul,
li,
dl,
dt,
dd,
blockquote,
figure,
fieldset,
legend,
textarea,
pre,
iframe,
hr,
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}
.col-xs-12 ol li {
  margin: 20px 0;
}
em {
  font-style: normal;
  color: #007dc5;
  font-weight: bold;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
button,
input,
select,
textarea {
  margin: 0;
}
html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}
img,
embed,
iframe,
object,
audio,
video {
  height: auto;
  max-width: 100%;
}
iframe {
  border: 0;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
td,
th {
  padding: 0;
  text-align: left;
}
/* reset.css end */
/* layout.css start */
.col-xs-1,
.col-sm-1,
.col-md-1,
.col-lg-1,
.col-xs-2,
.col-sm-2,
.col-md-2,
.col-lg-2,
.col-xs-3,
.col-sm-3,
.col-md-3,
.col-lg-3,
.col-xs-4,
.col-sm-4,
.col-md-4,
.col-lg-4,
.col-xs-5,
.col-sm-5,
.col-md-5,
.col-lg-5,
.col-xs-6,
.col-sm-6,
.col-md-6,
.col-lg-6,
.col-xs-7,
.col-sm-7,
.col-md-7,
.col-lg-7,
.col-xs-8,
.col-sm-8,
.col-md-8,
.col-lg-8,
.col-xs-9,
.col-sm-9,
.col-md-9,
.col-lg-9,
.col-xs-10,
.col-sm-10,
.col-md-10,
.col-lg-10,
.col-xs-11,
.col-sm-11,
.col-md-11,
.col-lg-11,
.col-xs-12,
.col-sm-12,
.col-md-12,
.col-lg-12 {
  position: relative;
  min-height: 1px;
  padding-right: 15px;
  padding-left: 15px;
  box-sizing: border-box;
}
.col-xs-1,
.col-xs-2,
.col-xs-3,
.col-xs-4,
.col-xs-5,
.col-xs-6,
.col-xs-7,
.col-xs-8,
.col-xs-9,
.col-xs-10,
.col-xs-11,
.col-xs-12 {
  float: left;
}
.col-xs-12 {
  width: 100%;
}
.col-xs-11 {
  width: 91.66666667%;
}
.col-xs-10 {
  width: 83.33333333%;
}
.col-xs-9 {
  width: 75%;
}
.col-xs-8 {
  width: 66.66666667%;
}
.col-xs-7 {
  width: 58.33333333%;
}
.col-xs-6 {
  width: 50%;
}
.col-xs-5 {
  width: 41.66666667%;
}
.col-xs-4 {
  width: 33.33333333%;
}
.col-xs-3 {
  width: 25%;
}
.col-xs-2 {
  width: 16.66666667%;
}
.col-xs-1 {
  width: 8.33333333%;
}
.col-xs-pull-12 {
  right: 100%;
}
.col-xs-pull-11 {
  right: 91.66666667%;
}
.col-xs-pull-10 {
  right: 83.33333333%;
}
.col-xs-pull-9 {
  right: 75%;
}
.col-xs-pull-8 {
  right: 66.66666667%;
}
.col-xs-pull-7 {
  right: 58.33333333%;
}
.col-xs-pull-6 {
  right: 50%;
}
.col-xs-pull-5 {
  right: 41.66666667%;
}
.col-xs-pull-4 {
  right: 33.33333333%;
}
.col-xs-pull-3 {
  right: 25%;
}
.col-xs-pull-2 {
  right: 16.66666667%;
}
.col-xs-pull-1 {
  right: 8.33333333%;
}
.col-xs-pull-0 {
  right: auto;
}
.col-xs-push-12 {
  left: 100%;
}
.col-xs-push-11 {
  left: 91.66666667%;
}
.col-xs-push-10 {
  left: 83.33333333%;
}
.col-xs-push-9 {
  left: 75%;
}
.col-xs-push-8 {
  left: 66.66666667%;
}
.col-xs-push-7 {
  left: 58.33333333%;
}
.col-xs-push-6 {
  left: 50%;
}
.col-xs-push-5 {
  left: 41.66666667%;
}
.col-xs-push-4 {
  left: 33.33333333%;
}
.col-xs-push-3 {
  left: 25%;
}
.col-xs-push-2 {
  left: 16.66666667%;
}
.col-xs-push-1 {
  left: 8.33333333%;
}
.col-xs-push-0 {
  left: auto;
}
.col-xs-offset-12 {
  margin-left: 100%;
}
.col-xs-offset-11 {
  margin-left: 91.66666667%;
}
.col-xs-offset-10 {
  margin-left: 83.33333333%;
}
.col-xs-offset-9 {
  margin-left: 75%;
}
.col-xs-offset-8 {
  margin-left: 66.66666667%;
}
.col-xs-offset-7 {
  margin-left: 58.33333333%;
}
.col-xs-offset-6 {
  margin-left: 50%;
}
.col-xs-offset-5 {
  margin-left: 41.66666667%;
}
.col-xs-offset-4 {
  margin-left: 33.33333333%;
}
.col-xs-offset-3 {
  margin-left: 25%;
}
.col-xs-offset-2 {
  margin-left: 16.66666667%;
}
.col-xs-offset-1 {
  margin-left: 8.33333333%;
}
.col-xs-offset-0 {
  margin-left: 0;
}
@media (min-width: 768px) {
  .col-sm-1,
  .col-sm-2,
  .col-sm-3,
  .col-sm-4,
  .col-sm-5,
  .col-sm-6,
  .col-sm-7,
  .col-sm-8,
  .col-sm-9,
  .col-sm-10,
  .col-sm-11,
  .col-sm-12 {
    float: left;
  }
  .col-sm-12 {
    width: 100%;
  }
  .col-sm-11 {
    width: 91.66666667%;
  }
  .col-sm-10 {
    width: 83.33333333%;
  }
  .col-sm-9 {
    width: 75%;
  }
  .col-sm-8 {
    width: 66.66666667%;
  }
  .col-sm-7 {
    width: 58.33333333%;
  }
  .col-sm-6 {
    width: 50%;
  }
  .col-sm-5 {
    width: 41.66666667%;
  }
  .col-sm-4 {
    width: 33.33333333%;
  }
  .col-sm-3 {
    width: 25%;
  }
  .col-sm-2 {
    width: 16.66666667%;
  }
  .col-sm-1 {
    width: 8.33333333%;
  }
  .col-sm-pull-12 {
    right: 100%;
  }
  .col-sm-pull-11 {
    right: 91.66666667%;
  }
  .col-sm-pull-10 {
    right: 83.33333333%;
  }
  .col-sm-pull-9 {
    right: 75%;
  }
  .col-sm-pull-8 {
    right: 66.66666667%;
  }
  .col-sm-pull-7 {
    right: 58.33333333%;
  }
  .col-sm-pull-6 {
    right: 50%;
  }
  .col-sm-pull-5 {
    right: 41.66666667%;
  }
  .col-sm-pull-4 {
    right: 33.33333333%;
  }
  .col-sm-pull-3 {
    right: 25%;
  }
  .col-sm-pull-2 {
    right: 16.66666667%;
  }
  .col-sm-pull-1 {
    right: 8.33333333%;
  }
  .col-sm-pull-0 {
    right: auto;
  }
  .col-sm-push-12 {
    left: 100%;
  }
  .col-sm-push-11 {
    left: 91.66666667%;
  }
  .col-sm-push-10 {
    left: 83.33333333%;
  }
  .col-sm-push-9 {
    left: 75%;
  }
  .col-sm-push-8 {
    left: 66.66666667%;
  }
  .col-sm-push-7 {
    left: 58.33333333%;
  }
  .col-sm-push-6 {
    left: 50%;
  }
  .col-sm-push-5 {
    left: 41.66666667%;
  }
  .col-sm-push-4 {
    left: 33.33333333%;
  }
  .col-sm-push-3 {
    left: 25%;
  }
  .col-sm-push-2 {
    left: 16.66666667%;
  }
  .col-sm-push-1 {
    left: 8.33333333%;
  }
  .col-sm-push-0 {
    left: auto;
  }
  .col-sm-offset-12 {
    margin-left: 100%;
  }
  .col-sm-offset-11 {
    margin-left: 91.66666667%;
  }
  .col-sm-offset-10 {
    margin-left: 83.33333333%;
  }
  .col-sm-offset-9 {
    margin-left: 75%;
  }
  .col-sm-offset-8 {
    margin-left: 66.66666667%;
  }
  .col-sm-offset-7 {
    margin-left: 58.33333333%;
  }
  .col-sm-offset-6 {
    margin-left: 50%;
  }
  .col-sm-offset-5 {
    margin-left: 41.66666667%;
  }
  .col-sm-offset-4 {
    margin-left: 33.33333333%;
  }
  .col-sm-offset-3 {
    margin-left: 25%;
  }
  .col-sm-offset-2 {
    margin-left: 16.66666667%;
  }
  .col-sm-offset-1 {
    margin-left: 8.33333333%;
  }
  .col-sm-offset-0 {
    margin-left: 0;
  }
}
@media (min-width: 992px) {
  .col-md-1,
  .col-md-2,
  .col-md-3,
  .col-md-4,
  .col-md-5,
  .col-md-6,
  .col-md-7,
  .col-md-8,
  .col-md-9,
  .col-md-10,
  .col-md-11,
  .col-md-12 {
    float: left;
  }
  .col-md-12 {
    width: 100%;
  }
  .col-md-11 {
    width: 91.66666667%;
  }
  .col-md-10 {
    width: 83.33333333%;
  }
  .col-md-9 {
    width: 75%;
  }
  .col-md-8 {
    width: 66.66666667%;
  }
  .col-md-7 {
    width: 58.33333333%;
  }
  .col-md-6 {
    width: 50%;
  }
  .col-md-5 {
    width: 41.66666667%;
  }
  .col-md-4 {
    width: 33.33333333%;
  }
  .col-md-3 {
    width: 25%;
  }
  .col-md-2 {
    width: 16.66666667%;
  }
  .col-md-1 {
    width: 8.33333333%;
  }
  .col-md-pull-12 {
    right: 100%;
  }
  .col-md-pull-11 {
    right: 91.66666667%;
  }
  .col-md-pull-10 {
    right: 83.33333333%;
  }
  .col-md-pull-9 {
    right: 75%;
  }
  .col-md-pull-8 {
    right: 66.66666667%;
  }
  .col-md-pull-7 {
    right: 58.33333333%;
  }
  .col-md-pull-6 {
    right: 50%;
  }
  .col-md-pull-5 {
    right: 41.66666667%;
  }
  .col-md-pull-4 {
    right: 33.33333333%;
  }
  .col-md-pull-3 {
    right: 25%;
  }
  .col-md-pull-2 {
    right: 16.66666667%;
  }
  .col-md-pull-1 {
    right: 8.33333333%;
  }
  .col-md-pull-0 {
    right: auto;
  }
  .col-md-push-12 {
    left: 100%;
  }
  .col-md-push-11 {
    left: 91.66666667%;
  }
  .col-md-push-10 {
    left: 83.33333333%;
  }
  .col-md-push-9 {
    left: 75%;
  }
  .col-md-push-8 {
    left: 66.66666667%;
  }
  .col-md-push-7 {
    left: 58.33333333%;
  }
  .col-md-push-6 {
    left: 50%;
  }
  .col-md-push-5 {
    left: 41.66666667%;
  }
  .col-md-push-4 {
    left: 33.33333333%;
  }
  .col-md-push-3 {
    left: 25%;
  }
  .col-md-push-2 {
    left: 16.66666667%;
  }
  .col-md-push-1 {
    left: 8.33333333%;
  }
  .col-md-push-0 {
    left: auto;
  }
  .col-md-offset-12 {
    margin-left: 100%;
  }
  .col-md-offset-11 {
    margin-left: 91.66666667%;
  }
  .col-md-offset-10 {
    margin-left: 83.33333333%;
  }
  .col-md-offset-9 {
    margin-left: 75%;
  }
  .col-md-offset-8 {
    margin-left: 66.66666667%;
  }
  .col-md-offset-7 {
    margin-left: 58.33333333%;
  }
  .col-md-offset-6 {
    margin-left: 50%;
  }
  .col-md-offset-5 {
    margin-left: 41.66666667%;
  }
  .col-md-offset-4 {
    margin-left: 33.33333333%;
  }
  .col-md-offset-3 {
    margin-left: 25%;
  }
  .col-md-offset-2 {
    margin-left: 16.66666667%;
  }
  .col-md-offset-1 {
    margin-left: 8.33333333%;
  }
  .col-md-offset-0 {
    margin-left: 0;
  }
}
@media (min-width: 1200px) {
  .col-lg-1,
  .col-lg-2,
  .col-lg-3,
  .col-lg-4,
  .col-lg-5,
  .col-lg-6,
  .col-lg-7,
  .col-lg-8,
  .col-lg-9,
  .col-lg-10,
  .col-lg-11,
  .col-lg-12 {
    float: left;
  }
  .col-lg-12 {
    width: 100%;
  }
  .col-lg-11 {
    width: 91.66666667%;
  }
  .col-lg-10 {
    width: 83.33333333%;
  }
  .col-lg-9 {
    width: 75%;
  }
  .col-lg-8 {
    width: 66.66666667%;
  }
  .col-lg-7 {
    width: 58.33333333%;
  }
  .col-lg-6 {
    width: 50%;
  }
  .col-lg-5 {
    width: 41.66666667%;
  }
  .col-lg-4 {
    width: 33.33333333%;
  }
  .col-lg-3 {
    width: 25%;
  }
  .col-lg-2 {
    width: 16.66666667%;
  }
  .col-lg-1 {
    width: 8.33333333%;
  }
  .col-lg-pull-12 {
    right: 100%;
  }
  .col-lg-pull-11 {
    right: 91.66666667%;
  }
  .col-lg-pull-10 {
    right: 83.33333333%;
  }
  .col-lg-pull-9 {
    right: 75%;
  }
  .col-lg-pull-8 {
    right: 66.66666667%;
  }
  .col-lg-pull-7 {
    right: 58.33333333%;
  }
  .col-lg-pull-6 {
    right: 50%;
  }
  .col-lg-pull-5 {
    right: 41.66666667%;
  }
  .col-lg-pull-4 {
    right: 33.33333333%;
  }
  .col-lg-pull-3 {
    right: 25%;
  }
  .col-lg-pull-2 {
    right: 16.66666667%;
  }
  .col-lg-pull-1 {
    right: 8.33333333%;
  }
  .col-lg-pull-0 {
    right: auto;
  }
  .col-lg-push-12 {
    left: 100%;
  }
  .col-lg-push-11 {
    left: 91.66666667%;
  }
  .col-lg-push-10 {
    left: 83.33333333%;
  }
  .col-lg-push-9 {
    left: 75%;
  }
  .col-lg-push-8 {
    left: 66.66666667%;
  }
  .col-lg-push-7 {
    left: 58.33333333%;
  }
  .col-lg-push-6 {
    left: 50%;
  }
  .col-lg-push-5 {
    left: 41.66666667%;
  }
  .col-lg-push-4 {
    left: 33.33333333%;
  }
  .col-lg-push-3 {
    left: 25%;
  }
  .col-lg-push-2 {
    left: 16.66666667%;
  }
  .col-lg-push-1 {
    left: 8.33333333%;
  }
  .col-lg-push-0 {
    left: auto;
  }
  .col-lg-offset-12 {
    margin-left: 100%;
  }
  .col-lg-offset-11 {
    margin-left: 91.66666667%;
  }
  .col-lg-offset-10 {
    margin-left: 83.33333333%;
  }
  .col-lg-offset-9 {
    margin-left: 75%;
  }
  .col-lg-offset-8 {
    margin-left: 66.66666667%;
  }
  .col-lg-offset-7 {
    margin-left: 58.33333333%;
  }
  .col-lg-offset-6 {
    margin-left: 50%;
  }
  .col-lg-offset-5 {
    margin-left: 41.66666667%;
  }
  .col-lg-offset-4 {
    margin-left: 33.33333333%;
  }
  .col-lg-offset-3 {
    margin-left: 25%;
  }
  .col-lg-offset-2 {
    margin-left: 16.66666667%;
  }
  .col-lg-offset-1 {
    margin-left: 8.33333333%;
  }
  .col-lg-offset-0 {
    margin-left: 0;
  }
}
@media (max-width: 767px) {
  .hidden-xs {
    display: none !important;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .hidden-sm {
    display: none !important;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .hidden-md {
    display: none !important;
  }
}
@media (min-width: 1200px) {
  .hidden-lg {
    display: none !important;
  }
}
/* layout.css end */
/* markdown.css start */
.markdown-it {
  text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  line-height: 32px;
  color: #202020;
  -webkit-font-smoothing: antialiased;
  font-size: 22px;
  word-wrap: break-word;
  letter-spacing: 1px;
}
.markdown-it code,
.markdown-it pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}
@media (max-width: 767px) {
  .markdown-it {
    font-size: 22px;
  }
}
@media (min-width: 769px) {
  .markdown-it {
    font-size: 24px;
  }
}
.markdown-it * {
  box-sizing: border-box;
}
.markdown-it::before {
  display: table;
  content: "";
}
.markdown-it::after {
  display: table;
  clear: both;
  content: "";
}
.markdown-it>*:first-child {
  margin-top: 0 !important;
}
.markdown-it>*:last-child {
  margin-bottom: 0 !important;
}
.markdown-it [type="checkbox"],
.markdown-it dl {
  padding: 0;
}
.markdown-it p,
.markdown-it blockquote,
.markdown-it ul,
.markdown-it ol,
.markdown-it dl,
.markdown-it table,
.markdown-it pre,
.markdown-it details {
  margin-top: 0;
  margin-bottom: 5px;
}
.markdown-it article p,
.markdown-it article blockquote,
.markdown-it article ul,
.markdown-it article ol,
.markdown-it article dl,
.markdown-it article table,
.markdown-it article pre,
.markdown-it article details {
  margin-top: 40px;
  margin-bottom: 40px;
}
.markdown-it article p {
  color: #3e3e3e;
}
.markdown-it a {
  color: #337ab7;
  text-decoration: none;
  background-color: transparent;
}
@media (min-width: 500px) {
  .markdown-it a:hover {
    color: #09f;
    background-color: #eee;
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
  }
}
.markdown-it summary {
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin: -3px -8px;
  padding: 6px 10px;
  color: #000;
}
.markdown-it a:active,
.markdown-it a:focus,
.markdown-it summary:active,
.markdown-it summary:hover,
.markdown-it summary:focus {
  outline-width: 0;
  color: #49b1f5;
}
.markdown-it summary::marker {
  color: rgba(0,0,0,0.169);
}
.markdown-it details>summary:hover:after {
  position: absolute;
  content: '＋';
  right: 16px;
}
.markdown-it details[open]>summary:hover:after {
  content: '－';
}
.markdown-it details {
  padding: 5px 10px;
  border: 1px solid #f0f0f0;
  border-bottom-color: #e0e0e0;
  border-right-color: #f0f0f0;
  background-color: #f0f0f0;
  border-radius: 4px;
}
.markdown-it details[open] {
  border-color: rgba(240,240,240,0.3);
}
.markdown-it details[open]>div.content {
  padding: 1px 37px 1px;
  margin: 6px -10px -5px -10px;
  background: #fff;
  border-color: rgba(27,205,252,0.3);
  border-radius: 4px;
}
@media (max-width: 428px) {
  .markdown-it details[open]>div.content {
    padding: 1px 22px 1px;
  }
}
@media (max-width: 414px) {
  .markdown-it details[open]>div.content {
    padding: 1px 10px 1px;
  }
}
@media (max-width: 400px) {
  .markdown-it details[open]>div.content {
    padding: 1px 12px 1px 15px;
  }
}
@media (max-width: 390px) {
  .markdown-it details[open]>div.content {
    padding: 1px 12px 1px;
  }
}
@media (max-width: 375px) {
  .markdown-it details[open]>div.content {
    padding: 1px 11px 1px;
  }
}
@media (max-width: 360px) {
  .markdown-it details[open]>div.content {
    padding: 1px 11px 1px;
  }
}
.markdown-it a:not([href]) {
  color: inherit;
  text-decoration: none;
}
.gkt-book-menu.gkt-book-menu-hidden a:not([href]):hover {
  color: #2f3034;
  background-color: transparent;
  padding: 0 0;
  cursor: default;
  text-decoration: none;
}
.gkt-book-menu.gkt-book-menu-hidden a:hover {
  cursor: pointer;
}
.markdown-it blockquote {
  margin: 0 0 26px;
  padding: 28px;
  color: #6a737d;
  background-color: #f4f5f6;
  overflow: auto;
  border-radius: 4px;
}
.markdown-it blockquote p {
  color: #6a737d;
}
.markdown-it blockquote em {
  color: #6a6a6a;
}
@media (max-width: 428px) {
  .markdown-it blockquote {
    padding: 11px;
  }
  article.col-xs-12 ol li blockquote {
    padding: 12px 11px 12px 12px;
  }
}
@media (max-width: 414px) {
  .markdown-it blockquote {
    padding: 12px 11px 12px 12px;
  }
  article.col-xs-12 ol li blockquote {
    padding: 12px 11px 12px 12px;
  }
}
@media (max-width: 400px) {
  .markdown-it blockquote {
    padding: 12px 9px 12px 14px;
  }
  article.col-xs-12 ol li blockquote {
    padding: 11px 11px 11px 12px;
  }
}
@media (max-width: 390px) {
  .markdown-it blockquote {
    padding: 13px 11px 13px 14px;
  }
  article.col-xs-12 ol li blockquote {
    padding: 12px 11px 12px 12px;
  }
}
@media (max-width: 375px) {
  .markdown-it blockquote {
    padding: 12px;
  }
  article.col-xs-12 ol li blockquote {
    padding: 12px 11px 12px 12px;
  }
}
@media (max-width: 360px) {
  .markdown-it blockquote {
    padding: 11px;
  }
  article.col-xs-12 ol li blockquote {
    padding: 12px 11px 12px 12px;
  }
}
.markdown-it blockquote>:first-child {
  margin-top: 0;
}
.markdown-it blockquote>:last-child {
  margin-bottom: 0;
}
.markdown-it code {
  margin: 0;
  background-color: rgba(27,31,35,0.05);
  border-radius: 3px;
  color: #e74b00;
  font-size: 0.9em;
}
.off-on code {
  padding: 2px 0;
}
.markdown-it code::before,
.markdown-it code::after {
  letter-spacing: -0.5em;
  content: "\00a0";
}
.markdown-it dd {
  margin-left: 0;
}
.markdown-it dl dt {
  padding: 0;
  margin-top: 16px;
  font-size: 1em;
  font-style: italic;
  font-weight: 600;
}
.markdown-it dl dd {
  padding: 0 16px;
  margin-bottom: 16px;
}
.markdown-it h1,
.markdown-it h2,
.markdown-it h3,
.markdown-it h4,
.markdown-it h5,
.markdown-it h6 {
  margin-top: 5px;
  margin-bottom: 5px;
  font-weight: 600;
}
.markdown-it h1 {
  margin-bottom: 45px;
  font-size: 32px;
  border-bottom: 1px solid #eaecef;
  color: rgba(0,0,0,0.471);
  line-height: 1.5;
}
.markdown-it h2 {
  font-size: 28px;
  margin-top: 30px;
  margin-bottom: 36px;
  border-bottom: 1px rgba(102,102,102,0.4) solid;
  line-height: 150%;
  color: rgba(0,0,0,0.4);
}
.markdown-it h3 {
  font-size: 25px;
  margin-top: 6px !important;
  margin-bottom: 10px;
  border-bottom: 1px rgba(102,102,102,0.4) solid;
  display: inline-block;
  line-height: 150%;
  color: rgba(0,0,0,0.4);
}
.markdown-it h4 {
  font-size: 20px;
  margin-top: 40px;
  margin-bottom: 30px;
  border-bottom: 1px rgba(102,102,102,0.4) solid;
  line-height: 150%;
  color: rgba(0,0,0,0.4);
}
.markdown-it h5 {
  font-size: 0.875em;
}
.markdown-it h6 {
  font-size: 0.85em;
  color: #6a737d;
}
.markdown-it hr {
  padding: 0;
  height: 0;
  margin: 40px auto;
  overflow: hidden;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #dfe2e5;
  width: 100%;
}
.markdown-it hr::before {
  display: table;
  content: "";
}
.markdown-it hr::after {
  display: table;
  clear: both;
  content: "";
}
.markdown-it img {
  border-style: none;
  max-width: 100%;
  box-sizing: content-box;
  background-color: #fff;
  border-radius: 4px;
  vertical-align: middle;
  display: table-cell;
}
.markdown-it input {
  line-height: inherit;
  font: inherit;
  margin: 0;
  overflow: visible;
}
.markdown-it kbd {
  line-height: 10px;
  display: inline-block;
  padding: 3px 5px;
  line-height: 10px;
  color: #444d56;
  vertical-align: middle;
  background-color: #fcfcfc;
  border: solid 1px #c6cbd1;
  border-bottom-color: #959da5;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #959da5;
}
.markdown-it pre {
  word-wrap: normal;
  padding: 16px;
  overflow: auto;
  line-height: 1.2;
  background-color: #f6f8fa;
  border-radius: 3px;
  margin-top: 10px;
}
.markdown-it pre code {
  padding: 0;
  margin: 0;
  font-size: 0.85em;
  word-break: normal;
  white-space: pre;
  background: transparent;
  border: 0;
  display: inline;
  overflow: visible;
  line-height: inherit;
  word-wrap: normal;
}
.markdown-it pre code::before,
.markdown-it pre code::after {
  content: normal;
}
.markdown-it strong {
  font-weight: 600;
  color: #bb0707;
}
.markdown-it svg:not(:root) {
  overflow: hidden;
  border-radius: 65px;
}
.markdown-it table {
  border-spacing: 0;
  border-collapse: collapse;
  display: block;
  width: 100%;
  overflow: auto;
}
.markdown-it table thead th {
  background-color: #f6f8fa;
}
.markdown-it table th {
  font-weight: 600;
}
.markdown-it table th,
.markdown-it table td {
  padding: 6px 13px;
  border: 1px solid #dfe2e5;
}
.markdown-it table tr {
  background-color: #fff;
  border-top: 1px solid #c6cbd1;
}
.markdown-it table tr:nth-child(2n) {
  background-color: #f6f8fa;
}
@media (min-width: 429px) {
  .markdown-it ul,
  .markdown-it ol {
    padding-left: 50px;
    padding-right: 50px;
  }
}
@media (min-width: 429px) {
  .mulu ol {
    padding-right: 0;
  }
  .gkt-sidebar ul {
    padding-right: 0;
  }
}
@media (max-width: 428px) {
  .markdown-it ol {
    padding-left: 46px;
    padding-right: 23px;
  }
}
@media (max-width: 414px) {
  .markdown-it ol {
    padding-left: 46px;
    padding-right: 23px;
  }
}
@media (max-width: 400px) {
  .markdown-it ol {
    padding-left: 46px;
    padding-right: 30px;
  }
}
@media (max-width: 390px) {
  .markdown-it ol {
    padding-left: 46px;
    padding-right: 29px;
  }
}
@media (max-width: 375px) {
  .markdown-it ol {
    padding-left: 34px;
    padding-right: 14px;
  }
}
@media (max-width: 360px) {
  .markdown-it ol {
    padding-left: 35px;
    padding-right: 12px;
  }
}
@media (max-width: 428px) {
  article.col-xs-12 ul {
    padding-left: 25px;
  }
}
.markdown-it ol li::marker {
  color: #49b1f5;
  font-weight: 600;
}
.markdown-it ul {
  list-style-type: disc;
}
.markdown-it ol.toc-nav {
  list-style-type: none;
}
/* markdown.css end */
/* highlight.css start */
.post-container pre,
.post-container .highlight {
  overflow: inherit;
  margin: 10px 0 20px 0;
  padding: 15px;
  font-size: 20px;
  color: #24292e;
  background: #f6f8fa;
  line-height: 1.8;
}
details p:first-child,
figure.highlight.plaintext:first-child {
  margin-top: 35px;
}
details p:last-child,
figure.highlight.plaintext:last-child {
  margin-bottom: 35px;
}
/*pre, code { 
  font-family: $code-font-family;
}*/
/*
.post-container code {
  padding: 2px 4px;
  word-break: break-all;
  color: $code-foreground;
  background: $code-background;
  border-radius: $code-border-radius;
  font-size $code-font-size;
}*/
.post-container pre {
  border-radius: 3px;
}
.post-container pre code {
  padding: 0;
  color: #24292e;
  background: none;
  text-shadow: none;
}
.post-container .highlight pre {
  border: none;
  margin: 0;
  padding: 1px;
  color: #798c98;
}
.post-container .highlight table {
  margin: 0;
  width: auto;
  border: none;
}
.post-container .highlight table::-webkit-scrollbar {
  display: none;
}
.post-container .highlight td {
  border: none !important;
  padding: 0;
}
.post-container .highlight figcaption {
  zoom: 1;
  font-size: 1em;
  color: rgba(144,164,174,0.5);
  line-height: 1em;
  margin-bottom: 0.7em;
}
.post-container .highlight figcaption:before,
.post-container .highlight figcaption:after {
  content: "";
  display: table;
}
.post-container .highlight figcaption:after {
  clear: both;
}
.post-container .highlight figcaption a {
  float: right;
  color: #24292e;
}
.post-container .highlight figcaption a:hover {
  border-bottom-color: #24292e;
}
.post-container .highlight .gutter pre {
  color: rgba(144,164,174,0.5);
  text-align: center;
  padding-right: 15px;
}
.post-container .highlight .line {
  height: 20px;
}
.post-container .gist table {
  width: auto;
}
.post-container .gist table td {
  border: none;
}
.post-container .deletion {
  color: #d44;
}
.post-container .addition {
  color: #292;
}
.post-container pre .comment {
  color: #6a737d;
}
.post-container pre .variable,
.post-container pre .attribute,
.post-container pre .tag,
.post-container pre .regexp,
.post-container pre .ruby .constant,
.post-container pre .xml .tag .title,
.post-container pre .xml .pi,
.post-container pre .xml .doctype,
.post-container pre .html .doctype,
.post-container pre .css .id,
.post-container pre .css .class,
.post-container pre .css .pseudo {
  color: #c82829;
}
.post-container pre .number,
.post-container pre .preprocessor,
.post-container pre .built_in,
.post-container pre .literal,
.post-container pre .params,
.post-container pre .constant,
.post-container pre .command {
  color: #e36209;
}
.post-container pre .ruby .class .title,
.post-container pre .css .rules .attribute,
.post-container pre .string,
.post-container pre .value,
.post-container pre .inheritance,
.post-container pre .header,
.post-container pre .ruby .symbol,
.post-container pre .xml .cdata,
.post-container pre .special,
.post-container pre .number,
.post-container pre .formula {
  color: #718c00;
}
.post-container pre .title,
.post-container pre .css .hexcolor {
  color: #6f42c1;
}
.post-container pre .function,
.post-container pre .python .decorator,
.post-container pre .python .title,
.post-container pre .ruby .function .title,
.post-container pre .ruby .title .keyword,
.post-container pre .perl .sub,
.post-container pre .javascript .title,
.post-container pre .coffeescript .title {
  color: #4271ae;
}
.post-container pre .keyword,
.post-container pre .javascript .function {
  color: #d73a49;
}
/* highlight.css end */
/* geektutu.css start */
body {
  font-family: "Optima-Regular", "PingFangSC-light";
  tab-size: 4;
}
a {
  text-decoration: none;
  color: #333;
}
div.text-center a:hover {
  border-radius: 6px;
  padding-top: 3px;
  cursor: pointer;
}
div.text-center .extend.prev {
  padding: 0;
  line-height: 36px;
  transform: rotate(180deg);
}
div.text-center .extend.next {
  margin-right: 0;
}
div.text-center a {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 6px;
  background-color: #f5f5f6;
  color: #3951b3;
  margin-right: 10px;
  padding-top: 3px;
  display: inline-block;
  vertical-align: text-bottom;
  text-align: center;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
}
div.text-center span.page-number.current {
  font-weight: bold;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 6px;
  background-color: #4e6ef2;
  color: #fff;
  margin-right: 10px;
  padding-top: 3px;
  display: inline-block;
  vertical-align: text-bottom;
  text-align: center;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
}
div.text-center span.space {
  margin-right: 10px;
}
.text-center {
  text-align: center !important;
}
.text-left {
  text-align: left !important;
}
.text-right {
  text-align: right !important;
}
@media (min-width: 500px) and (max-width: 767px) {
  .text-right {
    padding-right: 24px;
  }
}
.float-left {
  float: left !important;
}
@media (min-width: 768px) {
  .float-right {
    float: right !important;
  }
}
@media (max-width: 768px) {
  .float-right {
    float: right !important;
  }
}
.no-text-decoration {
  text-decoration: none !important;
}
.padding-0 {
  padding: 0 !important;
}
.hide {
  display: none !important;
}
.box-shadow {
  -webkit-box-shadow: 0 1px 3px rgba(26,26,26,0.1);
  box-shadow: 0 1px 3px rgba(26,26,26,0.1);
  border-radius: 2px;
}
.bg-white {
  background: #fff;
}
/* global */
body {
  background-color: #f6f6f6;
}
main {
  display: flex;
}
.gkt-header-container,
.main-container {
  margin-right: auto;
  margin-left: auto;
  padding-top: 20px;
  padding-bottom: 30px;
  overflow: hidden;
}
.post-list {
  line-height: 2.2em;
  border-left: 4px solid #f9f9f9;
  margin-top: -25px;
}
.post-container {
  background: #fff;
  width: 100%;
  max-width: 830px;
  padding: 30px 30px;
  border-radius: 10px;
  border: 1px solid rgba(231,224,0,0.188);
}
@media (max-width: 428px) {
  .post-container {
    padding: 30px 29px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 29px !important;
  }
}
@media (max-width: 414px) {
  .post-container {
    padding: 30px 22px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 22px !important;
  }
}
@media (max-width: 400px) {
  .post-container {
    padding: 30px 11px 30px 12px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 12px !important;
  }
}
@media (max-width: 390px) {
  .post-container {
    padding: 30px 18px 30px 19px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 19px !important;
  }
}
@media (max-width: 375px) {
  .post-container {
    padding: 30px 24px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 24px !important;
  }
}
@media (max-width: 360px) {
  .post-container {
    padding: 30px 29px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 29px !important;
  }
}
.post-container > .col-xs-12 {
  padding: 0px;
}
@media (max-width: 767px) {
  .main-container {
    padding-top: 0px;
  }
}
@media (min-width: 768px) {
  .gkt-header-container {
    width: 760px;
  }
  .main-container {
    width: 750px;
  }
  .post-container {
    padding: 30px 36px !important;
  }
  .post-container article {
    padding: 0px !important;
  }
  .post-list {
    margin-left: 30px;
  }
  .widget #search-form #result-wrap {
    padding: 20px 36px !important;
  }
}
@media (min-width: 992px) {
  .gkt-header-container {
    width: 992px;
  }
  .main-container {
    width: 990px;
  }
  .post-container {
    width: calc(100% - 320px);
  }
  .post-container article {
    padding: 0 !important;
  }
  .widget #search-form #result-wrap {
    width: calc(100% - 396px) !important;
  }
}
@media (min-width: 1200px) {
  .gkt-header-container {
    width: 100%;
    max-width: 1160px;
  }
  .main-container {
    width: 100%;
    max-width: 1150px;
  }
}
.post-list ul {
  padding-left: 0 !important;
}
.post-list li {
  list-style-type: none;
  position: relative;
  padding-left: 20px;
  line-height: 35px;
}
.post-list a {
  text-decoration: none;
  color: #000;
}
.post-list li:before {
  position: absolute;
  top: 51%;
  left: -2px;
  width: 10px;
  height: 10px;
  margin-top: -5.5px;
  margin-left: -5px;
  content: ' ';
  border-radius: 50%;
  background-color: #ddd;
}
.post-list .post-item-parent {
  margin-top: 30px;
  margin-bottom: 10px;
}
/*
.post-list .post-item-parent a {
  margin-top: -60px;
  padding-top: 80px
}
*/
.post-item-color-0:before {
  background: #1abc9c !important;
}
.post-item-color-1:before {
  background: #3498db !important;
}
.post-item-color-2:before {
  background: #9b59b6 !important;
}
.post-item-color-3:before {
  background: #e67e22 !important;
}
.post-item-color-4:before {
  background: #e74c3c !important;
}
.post-list .post-text-parent {
  font-size: 20px;
  font-weight: bold;
  color: #222;
}
.post-list .post-item-title {
  font-size: 15px;
  transition-duration: 0.5s;
  color: #333;
  vertical-align: middle;
  overflow: hidden;
}
.post-list .post-item-title:hover {
  color: #337ab7;
  cursor: pointer;
}
.post-list .post-item-date {
  color: rgba(181,181,181,0.9);
  font-size: 0.85em;
}
.post-preview {
  width: 100%;
  margin-bottom: -1px;
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  height: max-content;
  border: 1px solid #ddd;
}
.post-preview .text-gray {
  color: #999 !important;
  margin-bottom: 0;
  margin-left: 2px;
}
.post-preview .post-info {
  flex: 1;
  cursor: pointer;
  padding: 12px 29px;
}
@media (max-width: 428px) {
  .post-preview .post-info {
    padding: 10px 22px;
  }
}
@media (max-width: 414px) {
  .post-preview .post-info {
    padding: 10px 24px;
  }
}
@media (max-width: 400px) {
  .post-preview .post-info {
    padding: 10px 25px;
  }
}
@media (max-width: 390px) {
  .post-preview .post-info {
    padding: 10px 24px;
  }
}
@media (max-width: 375px) {
  .post-preview .post-info {
    padding: 10px 11px;
  }
}
@media (max-width: 360px) {
  .post-preview .post-info {
    padding: 10px 13px;
  }
}
.post-preview .post-info-center {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.post-preview .post-info .title {
  color: #007dc5;
  font-size: 1.2em;
}
.post-preview .post-info a {
  padding: 24px 0 5px 0;
  margin: -25px 0 0 0;
  cursor: pointer;
  display: block;
  border-radius: 3px;
  text-decoration: none;
}
.post-preview .text-gray small a {
  font-size: 12px;
  line-height: 22px;
  display: inline-block;
  height: 22px;
  margin: 0 0 6px;
  padding: 0 6px;
  border-radius: 15px;
  background: #f6f6f6;
  vertical-align: text-top;
}
@media (min-width: 500px) {
  .post-preview .post-info a:hover {
    color: #2a6496;
    background-color: #eee;
    text-decoration: underline;
  }
  .post-preview .post-info:hover {
    background-color: #eee;
    font-size: 100%;
  }
}
@media (min-width: 768px) {
  .post-preview .post-img {
    width: 120px;
  }
}
/* *************
 *   Header    *
 ***************/
.gkt-header {
  background-color: #1abc9c;
  position: fixed;
  top: 0;
  z-index: 9999;
}
.gkt-header>div {
  height: 44px;
  padding: 0;
  line-height: 44px;
}
img.float-left {
  width: 44px;
  height: 44px;
  padding: 5px;
}
.gkt-header-title {
  font-size: 13.5px;
  color: #fff;
  padding-right: 8px;
  margin-left: 1px;
}
@media (min-width: 500px) and (max-width: 767px) {
  .gkt-header-title {
    margin-left: 26px;
  }
  input[type="search"] {
    padding: 8px 20px 8px 30px !important;
  }
  .widget #search-form #result-wrap {
    padding: 20px 30px !important;
  }
}
@media (max-width: 500px) {
  .gkt-header-title {
    font-size: 18px;
  }
  .gkt-header-nav a {
    font-size: 18px !important;
  }
  img.float-left {
    padding: 8px;
  }
  .gkt-header-nav.text-right {
    padding-right: 8px;
  }
}
@media (max-width: 360px) {
  .gkt-header-title {
    font-size: 15px;
  }
}
.gkt-header-nav li {
  margin-bottom: 0;
}
.gkt-header-nav>ul>li {
  display: inline-block;
}
.gkt-header-nav ul {
  list-style: none;
}
.gkt-header-nav a {
  padding: 5px 5px;
  font-size: 28.5px;
  color: #fff;
  fill: #fff;
}
@media (min-width: 500px) {
  .gkt-header a:hover {
    background-color: #21e0ba;
    border-radius: 8px;
  }
}
.gkt-cate-name>a {
  padding: 0 5px;
  margin-right: 5px;
}
.gkt-cate-name.active>a {
  color: #fff;
}
.gkt-sub-cate {
  display: none;
  position: absolute;
  margin-top: 44px;
  background: #fafafa;
  min-width: 117px;
  border: 1px solid #eaeaea;
  border-radius: 0;
  -webkit-box-shadow: 0 4px 6px rgba(0,0,0,0.175);
  box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}
.gkt-sub-cate-name>a {
  color: #000;
  padding: 5px 10px;
  width: 100%;
  font-size: 22px;
}
.gkt-sub-cate-name a:hover {
  display: block;
  color: #fff;
  border-radius: 0;
  background-color: #21e0ba;
}
.gkt-sub-cate-name.active>a {
  display: block;
  color: #fff;
  border-radius: 0;
  background-color: #1abc9c;
}
.gkt-sub-cate-name {
  line-height: 30px;
}
/* start sidebar */
.gkt-sidebar {
  background-color: transparent;
}
.gkt-sidebar,
.gkt-sidebar>div {
  width: 320px;
}
.gkt-sidebar section {
  margin-left: 15px;
  background: #fff;
  overflow: auto;
  margin-bottom: 8px;
  padding: 16px 18px;
  -ms-overflow-style: none;
  overflow: -moz-scrollbars-none;
}
.gkt-sidebar section::-webkit-scrollbar {
  width: 0 !important;
}
.gkt-sidebar ul {
  line-height: 1.35;
}
.toc-nav .toc-nav-child li {
  list-style-type: none;
}
.toc-nav ol.toc-nav-child {
  margin-top: 5px;
  margin-left: -21px;
}
#sidebar-mbtoc .toc-nav ol.toc-nav-child {
  margin-top: 5px;
  margin-left: -16px;
  margin-bottom: 5px;
}
#sidebar-toc .toc-nav {
  margin-left: -27.5px;
}
.gkt-sidebar a {
  color: rgba(0,0,0,0.9);
  font-size: 18px;
}
.gkt-sidebar-active {
  color: #337ab7 !important;
  font-weight: bold;
}
.mulu li a {
  margin-left: -36.125px;
  padding: 4px 4px;
}
.mulu .toc-nav li a {
  margin-left: -28.125px;
  padding: 4px 4px;
}
.gkt-sidebar-fixed {
  position: fixed;
  top: -70px;
  margin-top: 0;
  z-index: 1;
}
.gkt-sidebar-content.box-shadow {
  max-height: 636px !important;
}
/* end sidebar */
/* post container */
.post-container .post-item-date {
  margin-left: -4px;
  color: rgba(181,181,181,0.9);
  font-size: 0.65em;
}
.post-container .series_links {
  border: 1px solid #eaecef;
  padding: 0 15px;
  background-color: #fff8dc;
  margin-bottom: 50px;
  border-radius: 5px;
  margin-top: -38px;
}
.post-container .series_links li a {
  margin-left: -2px;
}
.u-arrow-wrapper {
  position: fixed;
  width: 0;
  left: 0;
  top: 153px;
  right: 0;
  bottom: 0;
}
.u-arrow-wrapper a:hover i {
  border-color: #333;
}
.u-arrow-wrapper i {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-top: 3px solid #eee;
  border-right: 3px solid #eee;
  cursor: pointer;
}
.u-arrow-wrapper a {
  height: 70vh;
  line-height: 70vh;
  width: 29px;
  padding-left: 4px;
  margin: 0;
}
@media (min-width: 500px) {
  .u-arrow-wrapper a:hover {
    color: #09f;
    background-color: rgba(238,238,238,0.42);
    padding: 0 0 0 3px;
    margin: 0;
    cursor: crosshair;
    text-decoration: none;
    border-radius: 10px;
  }
}
.u-arrow-left {
  transform: rotate(-135deg);
}
.u-arrow-right {
  transform: rotate(45deg);
}
/* post container */
/* gitalk-related */
#gitalk-related.dis-wrapper {
  font-size: 14px;
  margin: 70px 0;
  overflow: hidden;
  padding-bottom: 10px;
}
#gitalk-related * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  transform: none;
  -webkit-transform: none;
}
#gitalk-related .dis-divide {
  border-top: 2px solid #e7e9ee;
  width: 100%;
  float: left;
  padding: 5px 10px;
  margin-top: 20px;
  text-align: center;
}
#gitalk-related .dis-item {
  width: 50%;
  float: left;
  padding: 0px 10px;
  margin-top: 20px;
  height: 108px;
  overflow: hidden;
}
#gitalk-related .dis-item-title {
  font-size: 14px;
  color: #6190e8;
  font-weight: 500;
  max-height: 3em;
  line-height: 1.5;
  overflow: hidden;
}
#gitalk-related .dis-item-des {
  font-size: 0.85em;
}
#gitalk-related .dis-divide a,
#gitalk-related .dis-item-des,
#gitalk-related .dis-item-user {
  color: rgba(30,55,70,0.4);
}
#gitalk-related .dis-item-img {
  width: 30px;
  height: 30px;
  margin-top: 3px;
}
#gitalk-related .dis-item-content {
  display: flex;
}
#gitalk-related .dis-item-content>p {
  padding-left: 10px;
  color: #333;
  line-height: 1.4em;
  max-height: 4.2em;
  overflow: hidden;
}
/* gitalk-related*/
/* highlight issue  */
.markdown-it .highlight table tr {
  background-color: transparent;
  border-top: none;
}
.gkt-article-start + p > img {
  width: 100%;
}
@media (min-width: 992px) {
  .gkt-article-start + p > img {
    min-height: 24rem;
    object-fit: contain;
  }
}
/* geektutu.css end */
/* timeline start */
span.p.h2,
p.p.h2 {
  font-size: 1.375rem;
  color: rgba(0,0,0,0.4);
  font-weight: 600;
  padding-top: 0.8rem;
  margin-bottom: 28px;
  border-bottom: 1px solid #f0f0f0;
}
div.timenode {
  position: relative;
}
div.timenode:before,
div.timenode:after {
  content: "";
  z-index: 1;
  position: absolute;
  background: rgba(68,215,182,0.5);
  width: 2px;
  left: 7px;
}
div.timenode:before {
  top: -10px;
  height: 16px;
}
div.timenode:after {
  top: 26px;
  height: calc(100% - 20px) !important;
}
div.timenode:last-child:after {
  height: calc(100% - 26px - 16px);
  border-bottom-left-radius: 2px;
  border-bottom-right-radius: 2px;
}
div.timenode .meta {
  position: relative;
  color: rgba(0,0,0,0.275);
  left: 27px;
}
div.timenode .meta:before,
div.timenode .meta:after {
  content: "";
  position: absolute;
  top: 8px;
  z-index: 2;
  left: -27px;
}
div.timenode .meta:before {
  background: rgba(68,215,182,0.5);
  width: 16px;
  height: 16px;
  border-radius: 8px;
}
div.timenode .meta:after {
  background: #44d7b6;
  margin-left: 2px;
  margin-top: 2px;
  width: 12px;
  height: 12px;
  border-radius: 6px;
  transform: scale(0.5);
  transition: all 0.28s ease;
  -moz-transition: all 0.28s ease;
  -webkit-transition: all 0.28s ease;
  -o-transition: all 0.28s ease;
}
div.timenode .meta p {
  font-size: 15px;
}
div.timenode .meta a {
  font-size: 14px;
  color: rgba(18,16,16,0.4);
}
div.timenode .meta a:hover {
  font-size: 14px;
  color: #337ab7;
}
@media (max-width: 428px) {
  div.timenode .body {
    margin: 4px 0 16px 26px;
    padding: 12px 25px;
    border-radius: 8px;
    background: #f7f9fe;
    border: 1px solid #e3e8f7;
  }
}
@media (max-width: 414px) {
  div.timenode .body {
    padding: 10px 13px 10px 14px;
  }
}
@media (max-width: 400px) {
  div.timenode .body {
    padding: 10px 13px 10px 14px;
  }
}
@media (max-width: 375px) {
  div.timenode .body {
    padding: 16px 15px 16px 15px;
  }
}
@media (max-width: 360px) {
  div.timenode .body {
    padding: 16px 14px 16px 14px;
  }
}
@media (min-width: 429px) {
  div.timenode .body {
    margin: 4px 0 16px 24px;
    padding: 12px 24px;
    border-radius: 8px;
    background: #f7f9fe;
    border: 1px solid #e3e8f7;
  }
}
div.timenode .body p:first-child {
  margin-top: 0;
}
div.timenode .body p:last-child {
  margin-bottom: 0;
}
div.timenode:hover .meta {
  color: #1f2d3d;
}
div.timenode:hover .meta:before {
  background: rgba(255,87,34,0.5);
}
div.timenode:hover .meta:after {
  background: #ff5722;
  transform: scale(1);
}
div.timenode p {
  margin: 8px 0 !important;
}
/* timeline end */
/* bilibili start */
.bilibili {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 75%;
}
.bilibili iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}
/* bilibili end */
/* search start */
input[type="search"] {
  box-sizing: border-box;
  width: 100%;
  height: 32px;
  line-height: 16px;
  padding: 8px 20px 8px 12px;
  border-radius: 0;
  border: 1px solid rgba(231,224,0,0.188);
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
@media (min-width: 768px) {
  input[type="search"] {
    border-radius: 10px;
    margin-bottom: 1em;
  }
}
input[type="search"]:focus {
  border: 1px solid rgba(231,224,0,0.388);
  outline: none;
}
input::-webkit-input-placeholder {
  color: #aaa;
}
input::-moz-input-placeholder {
  color: #aaa;
}
input::-ms-input-placeholder {
  color: #aaa;
}
.widget .title {
  margin-top: 0;
  padding-bottom: 7px;
  border-bottom: 1px solid #ebebeb;
  margin-bottom: 21px;
  position: relative;
}
.widget .title:after {
  content: "";
  width: 90px;
  height: 1px;
  background: #e67e22;
  position: absolute;
  left: 0;
  bottom: -1px;
}
.widget #search-form {
  position: relative;
  width: 100%;
}
.widget #search-form #result-mask {
  position: fixed;
  left: 0;
  top: 0;
}
.widget #search-form .search-form-submit:focus {
  outline: none;
}
.widget #search-form #result-wrap {
  position: absolute;
  box-sizing: content-box;
  top: 45px;
  left: 0;
  z-index: 6;
  width: -webkit-fill-available;
  padding: 20px;
  color: #333;
  background: #fff;
  border-radius: 4px;
  border: solid rgba(231,224,0,0.188);
}
.widget #search-form #result-wrap:before {
  content: '';
  position: absolute;
  display: inline-block;
  border-width: 0 12px 12px 12px;
  border-style: solid;
  border-color: rgba(231,224,0,0.188) transparent;
  right: 80px;
  top: -12px;
}
.widget #search-form #result-wrap:after {
  content: '';
  position: absolute;
  display: inline-block;
  border-width: 0 12px 12px 12px;
  border-style: solid;
  border-color: #fff transparent;
  right: 80px;
  top: -10px;
}
.widget #search-form #result-wrap #search-result {
  width: 100%;
  box-sizing: content-box;
  padding-right: 20px;
  margin-right: -20px;
  max-height: 553px;
  overflow-y: auto;
}
.widget #search-form #result-wrap #search-result .tips {
  text-align: center;
}
.widget #search-form #result-wrap #search-result .item {
  padding: 8px 0;
}
.widget #search-form #result-wrap #search-result .item:last-child .content {
  border-bottom: 0;
}
.widget #search-form #result-wrap #search-result .item a:hover {
  text-decoration: none;
}
.widget #search-form #result-wrap #search-result .item .title {
  line-height: 1.25;
  font-size: 16px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  margin-bottom: 0px;
  color: #333;
  border: 0;
}
.widget #search-form #result-wrap #search-result .item .title:hover {
  color: #e67e22;
}
.widget #search-form #result-wrap #search-result .item .title b {
  margin: 0 2px;
  color: #e67e22;
}
.widget #search-form #result-wrap #search-result .item .content {
  font-size: 14px;
  color: #666;
  padding-bottom: 10px;
  border-bottom: 1px solid #ccc;
}
.widget #search-form #result-wrap #search-result .item .content b {
  color: #e67e22;
  margin: 0 2px;
}
/* search end */
/* top */
.post-preview .sticky {
  background-color: rgba(245,108,108,0.13);
  color: #f00;
  padding: 0.3em 0.5em;
  font-size: 0.75em;
  line-height: 14px;
  display: inline-block;
  height: 22px;
  border-radius: 15px;
  vertical-align: text-top;
}
.ChatHead {
  background: url("https://7n.aihch.com/uPic/W5LrWZ.jpg");
  background-size: 100%;
  background-repeat: no-repeat;
  border-radius: 3px;
  visibility: visible !important;
  width: 36px !important;
  height: 36px !important;
  margin-left: 6px;
  margin-right: 6px;
}
.ChatTriangle {
  overflow: hidden;
  margin-top: 10px;
  width: 13px;
  height: 10px;
  flex-shrink: 0;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  border-left: 5px solid rgba(120,238,80,0.7);
  border-bottom: 5px solid transparent;
  border-top: 5px solid transparent;
}
#WeChat strong-black {
  font-weight: 600;
  color: #333;
}
#WeChat p {
  line-height: 1.4;
  white-space: normal;
  margin-top: 0px;
  margin-bottom: 0px;
  font-size: 20px;
  color: #000;
}
@media (min-width: 769px) {
  #WeChat p {
    font-size: 24px;
  }
}
.ChatBackground {
  width: 100%;
  background-color: #ebebeb;
  align-items: center;
  padding: 22px 5px 22px;
  margin-top: -20px;
  margin-bottom: -20px;
}
.ChatBackground0 {
  display: -webkit-flex;
  justify-content: flex-end;
}
.ChatBackground1 {
  margin-right: -6px;
  display: -webkit-flex;
  max-width: calc(100% - 95px) !important;
}
.ChatBackground2 {
  flex-shrink: 1;
  background-color: rgba(120,238,80,0.7);
  display: inline-block;
  padding: 10px 9px;
  border-radius: 6px;
  text-align: left;
}
.ChatHead-1 {
  display: block;
  background-image: url("https://7n.aihch.com/uPic/xueren.jpeg");
  background-size: 100%;
  background-repeat: no-repeat;
  border-radius: 3px !important;
  visibility: visible !important;
  width: 36px !important;
  height: 36px !important;
}
.ChatBackground-0 {
  width: 100%;
  background-color: #ebebeb;
  align-items: center;
  padding: 22px 10px 22px;
  margin-top: -20px;
  margin-bottom: -20px;
}
.ChatBackground-1 {
  border-width: 0px;
  border-style: none;
  border-color: initial;
}
.ChatBackground-2 {
  display: flex;
  display: -webkit-flex;
}
.ChatBackground-3 {
  max-width: calc(100% - 89px) !important;
  margin-left: 3px;
  display: flex;
  display: -webkit-flex;
}
.ChatBackground-4 {
  margin-top: 10px;
  min-width: 13px;
  overflow: hidden;
  flex-shrink: 0;
}
.ChatBackground-5 {
  width: 9px;
  height: 5px;
  border-right: 5px solid #fff;
  border-bottom: 5px solid transparent;
  border-top: 5px solid transparent;
  overflow: hidden;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.ChatBackground-6 {
  flex-shrink: 1;
  background-color: #fefefe;
  display: inline-block;
  padding: 10px 9px;
  border-radius: 6px;
  margin-left: -4px;
  text-align: left;
}