@charset "UTF-8";
.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

/**
 * reset global
 */
html, body {
  margin: 0;
  font-size: 16px;
  position: relative;
}
html a, body a {
  outline: none;
}

/**
 * responsive breaks
 */
/* 980px work fine */
/**
 * Global settings of layout
 */
.container {
  box-sizing: border-box;
  margin: auto;
  width: 100%;
  max-width: 720px;
}
@media only screen and (max-width: 980px) {
  .container {
    max-width: 680px;
  }
}
@media only screen and (max-width: 768px) {
  .container {
    max-width: 88.54%;
  }
}
@media only screen and (max-width: 414px) {
  .container {
    max-width: 95%;
  }
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  color: #333;
  font-family: Helvetica, Tahoma, Arial, STXihei, "Microsoft YaHei", "WenQuanYi Micro Hei", SimSun, Heiti, ubuntu, sans-serif;
}

article {
  flex-grow: 1;
}

/* post page toc sidebar — 正文与全站 .container 同宽居中，目录在右侧栏 */
.post-layout {
  box-sizing: border-box;
  margin: 0 auto;
  width: 100%;
  max-width: 100%;
}
@media only screen and (max-width: 900px) {
  .post-layout {
    display: block;
  }
}
@media only screen and (min-width: 901px) {
  .post-layout {
    display: grid;
    grid-template-columns: 1fr minmax(0, 720px) 1fr;
    align-items: start;
    column-gap: 0;
  }
}

.post-main {
  min-width: 0;
}
@media only screen and (min-width: 901px) {
  .post-main {
    grid-column: 2;
    width: 100%;
    max-width: 720px;
    justify-self: center;
  }
}

.post-toc {
  width: 100%;
  max-width: 260px;
  box-sizing: border-box;
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  overflow-x: hidden;
  background: transparent;
  border: 1px solid #e6e6e6;
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 14px;
  line-height: 1.5;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.post-toc::-webkit-scrollbar {
  width: 0;
  height: 0;
}
@media only screen and (min-width: 901px) {
  .post-toc {
    grid-column: 3;
    justify-self: start;
    margin-left: 2rem;
  }
}
@media only screen and (max-width: 900px) {
  .post-toc {
    display: none;
  }
}

.post-toc-title {
  font-family: "Helvetica Neue", "Microsoft Yahei", "微软雅黑", "WenQuanYi Micro Hei", SimHei, Heiti, Impact, Charcoal, serif;
  color: #666;
  margin-bottom: 0.5rem;
}

.post-toc nav#post-toc-list {
  background: transparent;
  position: static;
  top: auto;
  z-index: auto;
  font-family: Helvetica, Tahoma, Arial, STXihei, "Microsoft YaHei", "WenQuanYi Micro Hei", SimSun, Heiti, ubuntu, sans-serif;
  font-size: 14px;
}

#post-toc-list .toc-list {
  margin: 0;
  padding-left: 0.75rem;
}

.post-toc #post-toc-list a {
  color: #666;
  text-decoration: none;
  border-bottom: none;
}

.post-toc #post-toc-list a:hover,
.post-toc #post-toc-list .is-active-link {
  color: #111;
}

/**
 * header
 */
header {
  padding: 1em 0;
  background: #333;
  color: #F1F1F1;
}
header .container {
  font-family: "Comic Sans MS", cursive, LiSu, sans-serif;
  border-bottom: 0.3em solid #333;
}
header .container .title-group {
  display: inline-block;
}
header .container .title {
  color: #EEE;
  text-decoration: none;
  font-size: 2.4em;
  display: block;
}
header .container .subtitle {
  color: #aaa;
  font-size: 1.4em;
  margin-left: 0;
  display: block;
}
@media only screen and (max-width: 414px) {
  header {
    padding: 0;
  }
  header .container.header {
    display: flex;
    align-items: center;
  }
  header .container.header .title {
    flex: 1;
  }
  header .container.header .subtitle {
    display: none;
  }
}

/* navigation bar */
nav {
  top: 0;
  position: sticky;
  background: #333;
  font-family: "Source Code Pro", Consolas, Monaco, Menlo, Consolas, monospace;
  font-size: 1em;
  z-index: 10;
}
@media only screen and (max-width: 414px) {
  nav {
    position: static;
  }
}

#nav {
  text-align: right;
}
#nav a, #nav a:visited {
  text-decoration: none;
  color: #F1F1F1;
}
#nav a {
  padding: 0.625em 1.25em;
  display: inline-block;
  position: relative;
}
#nav a::after {
  content: "";
  display: block;
  position: absolute;
  right: -3px;
  top: 19px;
  height: 6px;
  width: 6px;
  background: white;
  opacity: 0.5;
}
#nav a::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: #5DB1B4;
  transition: width 0.25s;
}
#nav a.active::before, #nav a:hover::before {
  width: 100%;
}
#nav a:last-child::after {
  display: none;
}

/* menu button on small screen */
#menu {
  position: absolute;
  top: -9999px;
  left: -9999px;
}

#toggle-menu {
  cursor: pointer;
  user-select: none;
  display: none;
}

@media only screen and (max-width: 414px) {
  #toggle-menu {
    display: block;
    color: #EEE;
    font-size: 2.2em;
  }
  #nav {
    display: none;
  }
  #menu:checked ~ #nav {
    display: block;
  }
  #menu:checked ~ #nav a {
    display: block;
    color: #CCC;
    border-bottom: 1px solid #CCC;
  }
  #menu:checked ~ #nav a:last-child {
    border-bottom: none;
  }
  #menu:checked ~ #nav a:hover {
    background: #CCC;
    color: #333;
  }
  #menu:checked ~ #nav a::before {
    display: none;
  }
  #menu:checked ~ #nav a:last-child::after {
    display: block;
  }
}
#header-margin-bar {
  margin: 20px 0;
}

/* post entries, version 2*/
#index-main.container {
  position: relative;
  box-sizing: border-box;
}
#index-main.container::before {
  content: "";
  position: absolute;
  height: 100%;
  width: 6px;
  background: #666;
}
@media only screen and (max-width: 900px) {
  #index-main.container::before {
    content: none;
  }
}

.post-tags-template, .post-entry .post-desc .post-categories, .post-entry .post-desc .post-tags {
  display: inline-block;
  margin-left: 0.5rem;
  text-align: right;
  color: #666;
  opacity: 0.6;
  transition: opacity 0.3s ease-in-out;
}
.post-tags-template:hover, .post-entry .post-desc .post-categories:hover, .post-entry .post-desc .post-tags:hover {
  opacity: 1;
}
.post-tags-template::before, .post-entry .post-desc .post-categories::before, .post-entry .post-desc .post-tags::before {
  content: "\f02c";
  font-family: FontAwesome;
}
.post-tags-template a, .post-entry .post-desc .post-categories a, .post-entry .post-desc .post-tags a {
  text-decoration: none;
  outline: none;
  color: #666;
  margin: 0 0.3rem;
}
.post-tags-template a:hover, .post-entry .post-desc .post-categories a:hover, .post-entry .post-desc .post-tags a:hover {
  color: #333;
  border-bottom: 2px solid #666;
}
.post-tags-template a, .post-entry .post-desc .post-categories a, .post-entry .post-desc .post-tags a {
  transition: border 0.2s ease-in-out;
}

.post-entry {
  font-size: 16px;
  line-height: 1.5;
  margin: 1.5em 0;
  padding: 0 1.5em;
  position: relative;
  display: flex;
  align-items: center;
}
@media only screen and (max-width: 900px) {
  .post-entry {
    flex-direction: column;
    padding: 0;
    margin: 3.5em 0;
    align-items: initial;
  }
  .post-entry:first-child {
    margin-top: 0;
  }
}
.post-entry .post-time {
  flex: none;
  font-family: "Source Code Pro", Consolas, Monaco, Menlo, Consolas, monospace;
  font-size: 0.875rem;
  margin-right: 1rem;
  position: absolute;
  right: 100%;
  color: #CCC;
  transition: color 0.2s ease-in-out;
  white-space: nowrap;
  top: 50%;
}
@media only screen and (max-width: 900px) {
  .post-entry .post-time {
    order: 1;
    margin: auto;
    bottom: 0.2ex;
    left: 0;
    right: auto;
    color: #666;
    opacity: 0.6;
    top: auto;
  }
}
.post-entry .post-time::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background: #666;
  border-radius: 100%;
  left: calc(100% + 1rem + 6px / 2 - 10px);
  top: calc(50% - 10px);
}
@media only screen and (max-width: 900px) {
  .post-entry .post-time::before {
    content: none;
    left: calc(-1em - 10px);
  }
}
.post-entry .post-time::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  background: #FCF9E8;
  border-radius: 100%;
  transition: background-color 0.2s ease-in-out;
  left: calc(100% + 1rem + 6px / 2 - 8px);
  top: calc(50% - 8px);
}
@media only screen and (max-width: 900px) {
  .post-entry .post-time::after {
    content: none;
    left: calc(-1em - 8px);
  }
}
.post-entry:hover .post-time {
  color: #666;
}
.post-entry:hover .post-time::after {
  background: #A1EFE9;
}
.post-entry .post-desc {
  flex: 1;
}
.post-entry .post-desc .post-title {
  border-bottom: 1px solid #EEE;
  transition: border-color 0.2s ease;
  font-weight: 600;
  font-size: 1.2em;
}
.post-entry .post-desc .post-title:hover {
  border-bottom: 1px solid #666;
}
.post-entry .post-desc .post-title a {
  color: #333;
  text-decoration: none;
  border: none;
  display: block;
  min-height: 1ex;
  outline: none;
}
.post-entry .post-desc .post-meta {
  text-align: right;
  min-height: 2em;
  display: flex;
  align-items: flex-end;
  flex-direction: row-reverse;
  justify-content: flex-start;
}
.post-entry .post-desc .post-categories::before {
  content: "\f07b";
}
@media only screen and (max-width: 414px) {
  .post-entry .post-desc .post-tags {
    display: none;
  }
  .post-entry .post-desc .post-categories {
    margin: 0;
  }
}
.post-entry .post-desc .post-content {
  padding-left: 2em;
}
@media only screen and (max-width: 900px) {
  .post-entry .post-desc .post-content {
    padding-left: 0;
  }
}
.post-entry .post-desc .post-content p {
  margin: 0.6em 0 0 0;
}

/* paginator */
@media only screen and (max-width: 768px) {
  .page-navigator-wrapper {
    max-width: 100%;
  }
}

.page-navigator {
  margin: 3.5ex 0;
  overflow: hidden;
  text-align: center;
  border-bottom: 2px solid #CCC;
  color: #777;
}
@media only screen and (max-width: 768px) {
  .page-navigator {
    border-top: 2px solid #CCC;
  }
}
.page-navigator * {
  padding: 1px 20px;
}
.page-navigator .page-number {
  display: inline-block;
}
.page-navigator .current {
  color: #2F6EB6;
}
.page-navigator .prev {
  float: left;
}
.page-navigator .next {
  float: right;
}
.page-navigator a {
  color: inherit;
  text-decoration: none;
}
.page-navigator a:hover {
  background: #BBB;
  color: #2F6EB6;
}

/**
 * footer
 */
footer#footer {
  text-align: right;
  margin-top: 2em;
  background: #333;
}
footer#footer, footer#footer a, footer#footer a:visited {
  color: #AAA;
}
footer#footer a:hover {
  color: #EEE;
}
footer#footer .bar {
  display: flex;
}
footer#footer .bar .social {
  display: flex;
  align-items: center;
}
footer#footer .bar .social a {
  display: inline-block;
  padding: 6px 12px;
  margin: 0 2px;
  font-size: 20px;
  transition: all 0.2s ease-in-out;
}
footer#footer .bar .social a:hover {
  background: #EEE;
  color: #333;
}
footer#footer .bar .footer {
  flex: 1;
  padding: 1em 0;
}
@media only screen and (max-width: 768px) {
  footer#footer .bar {
    flex-direction: column;
    align-items: center;
  }
  footer#footer .bar .social {
    padding: 0.5em 0.2em;
  }
  footer#footer .bar .footer {
    padding: 0.5em 0.2em;
    text-align: center;
  }
}

/**
 * main content style
 */
.post-header h1 {
  font-family: "Titillium Web", "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", sans-serif;
  font-size: 2em;
}

/* post header meta data(time/tag) */
.wrapper .meta {
  text-align: right;
  background: #333;
  color: #CCC;
  border-top: 2px solid #555;
  border-bottom: 2px solid #555;
  display: flex;
  box-shadow: 0 0 2px 1px rgba(200, 200, 200, 0.8);
  transition: background-color 0.2s ease-in-out;
  margin-bottom: 2em;
}
@media only screen and (max-width: 414px) {
  .wrapper .meta {
    max-width: 100%;
  }
}
.wrapper .meta:hover {
  background: #222;
}
.wrapper .meta .post-time {
  flex: 1;
  text-align: left;
  font-family: "Source Code Pro", Consolas, Monaco, Menlo, Consolas, monospace;
  font-size: 14px;
  align-self: center;
}
.wrapper .meta .post-tags::before, .wrapper .meta .post-categories::before {
  font-family: FontAwesome;
}
.wrapper .meta .post-tags a, .wrapper .meta .post-categories a {
  color: #CCC;
  text-decoration: none;
  margin: 0 0.3rem;
  transition: border-bottom 0.3s ease-in-out, color 0.2s ease-in-out;
}
.wrapper .meta .post-tags a:hover, .wrapper .meta .post-categories a:hover {
  color: #5DB1B4;
  border-bottom: 2px solid #5DB1B4;
}
.wrapper .meta .post-tags {
  margin-left: 1em;
}
.wrapper .meta .post-tags::before {
  content: "\f02c";
}
.wrapper .meta .post-categories::before {
  content: "\f07b";
  font-family: FontAwesome;
}
@media only screen and (max-width: 768px) {
  .wrapper .meta {
    flex-wrap: wrap;
  }
  .wrapper .meta .post-tags, .wrapper .meta .post-categories {
    margin-left: auto;
  }
}

article {
  /* global */
  font-size: 18px;
  line-height: 1.75;
}
article .entry {
  font-size: 16px;
}
article {
  /* headers */
}
article h1, article h2, article h3, article h4, article h5, article h6 {
  font-family: "Helvetica Neue", "Microsoft Yahei", "微软雅黑", "WenQuanYi Micro Hei", SimHei, Heiti, Impact, Charcoal, serif;
  font-weight: 600;
}
article h1 {
  border-bottom: 2px solid #333;
  padding: 3px 0;
  font-size: 2em;
}
article h2 {
  border-bottom: 1px solid #CCC;
}
article hr {
  border-top: 3px dashed #878787;
  border-bottom: none;
}
article a {
  color: #368CCB;
  text-decoration: none;
  opacity: 0.9;
  transition: border 0.2s;
  transition: color 0.2s;
  border-bottom: 0.08em solid lightgray;
}
article a:hover {
  opacity: 1;
  border-bottom: 0.08em solid #2A64C8;
  color: #2A64C8;
}
article .post .highlight a {
  border: none !important;
}
article blockquote {
  margin: 1em 0;
  padding: 0 1em;
  border-left: 5px solid #5DB1B4;
}
article blockquote footer {
  font-size: 85%;
}
article blockquote footer cite::before {
  content: "—";
  padding: 0 0.5em;
  font-style: italic;
}
article blockquote.pullquote.left {
  border: none;
  margin: 0 1em 0 0.5em;
  width: 45%;
}
article blockquote.pullquote.right {
  border: none;
  margin: 0 0.5em 0 1em;
  width: 45%;
}
article .left, article .alignleft {
  float: left;
}
article .right, article .alignright {
  float: right;
}
article img, article video {
  display: block;
  height: auto;
  margin: auto;
  max-width: 100%;
  border: none;
  box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.4);
}
article .img-caption {
  text-align: center;
  font-size: 0.92em;
  color: #666;
  margin-top: 0.45em;
}
article .video-container {
  position: relative;
  padding-top: 56.9%;
  height: 0;
  overflow: hidden;
}
article .video-container iframe, article .video-container object, article .video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  margin-top: 0;
}
article ol, article ul {
  padding-left: 0;
}
article ol ol, article ol ul, article ul ol, article ul ul {
  padding-left: 40px;
}
article li p {
  margin-top: 0;
  margin-bottom: 0;
}
article code {
  border: 1px solid #BBB;
  background: #EEE;
  font-size: 14px;
}
article table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  vertical-align: middle;
}
article table th {
  text-align: left;
  background: #333;
  color: #EEE;
}
article table th, article table td {
  padding: 5px 8px;
  border: 1px solid #ddd;
}
article table tr:nth-child(2n) {
  background-color: #f2f2f2;
}

.article-gallery a.article-gallery-img {
  width: 100%;
  display: none;
}
.article-gallery a.article-gallery-img:first-child {
  display: block;
}
.article-gallery a.article-gallery-img img {
  width: 100%;
}

.post-archive ol, .post-archive ul {
  padding-left: 40px;
}
.post-archive li .date {
  margin-right: 1em;
}
@media only screen and (max-width: 680px) {
  .post-archive ul {
    padding-left: 0;
  }
  .post-archive ul li {
    margin: 1em 0;
  }
  .post-archive a {
    display: block;
  }
}

.list-unstyled {
  list-style: outside none none;
  padding-left: 0;
}

.all-categories::before, .all-tags::before {
  font-family: FontAwesome;
  float: left;
  margin-right: 1em;
}
.all-categories ul.tag-box, .all-tags ul.tag-box {
  display: flex;
  flex-wrap: wrap;
}
.all-categories ul.tag-box li a, .all-tags ul.tag-box li a {
  display: inline;
  text-decoration: none;
  border: 1px dashed #CCC;
  border-radius: 3px;
  margin: 0.2em;
  padding: 0.1em 0.3em;
  outline: none;
  transition: none;
}
.all-categories ul.tag-box li a span, .all-tags ul.tag-box li a span {
  font-size: 0.8em;
  border-left: 1px solid #CCC;
  margin-left: 0.3em;
  padding: 0 0.3em;
}
.all-categories ul.tag-box li a:hover, .all-tags ul.tag-box li a:hover {
  background: #666;
  color: #EEE;
}

.all-categories::before {
  content: "\f07b";
}

.all-tags::before {
  content: "\f02c";
}

/**
 * mobile typography tune (keep desktop unchanged)
 */
@media only screen and (max-width: 768px) {
  article {
    font-size: 16px;
    line-height: 1.85;
  }
  .post-header h1 {
    font-size: 1.75em;
    line-height: 1.25;
  }
  article h1 {
    font-size: 1.7em;
  }
  article h2 {
    font-size: 1.45em;
    margin-top: 1.5em;
  }
  article h3 {
    font-size: 1.25em;
    margin-top: 1.3em;
  }
  article p,
  article li {
    word-break: break-word;
  }
  article .entry {
    font-size: 1rem;
  }
  article blockquote {
    margin: 1.1em 0;
    padding: 0 0.85em;
  }
  article pre,
  article .highlight {
    font-size: 14px;
    line-height: 1.55;
    margin: 1.2em 0;
  }
  article code {
    font-size: 0.85em;
  }
  article table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}
@media only screen and (max-width: 414px) {
  #header-margin-bar {
    margin: 12px 0;
  }
  .container,
  .post-layout {
    max-width: 94%;
  }
  .post-entry {
    margin: 2.6em 0;
  }
  .post-entry .post-desc .post-content {
    padding-left: 0;
  }
  .wrapper .meta {
    margin-bottom: 1.2em;
    padding: 0.35em 0.5em;
  }
}