@charset "UTF-8";
body {
  padding: 0;
  margin: 0;
  line-height: 1.6;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #444;
}

a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: #1094e8;
}

img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.main {
  position: relative;
  width: 780px;
  margin: 0 auto;
  padding: 15px;
  box-sizing: border-box;
}

@media screen and (max-width: 1310px) {
  .post-toc-aside {
    display: none;
  }
}
@media screen and (max-width: 780px) {
  .main {
    width: 100%;
    margin-top: 50px;
    padding: 0 15px;
    box-sizing: border-box;
  }
}
h1 {
  font-size: 26px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 16px;
}

h5 {
  font-size: 14px;
}

h6 {
  font-size: 12px;
}

.header {
  position: relative;
  background: #171f26;
  padding: 10px 0;
  box-shadow: 0 1px 3px rgba(26, 26, 26, 0.1);
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.header .header-inner {
  width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .header-inner .header-title-link {
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  opacity: 0.9;
  transition: 0.2s;
}
.header .header-inner .header-title-link:hover {
  opacity: 1;
}
.header .header-inner .header-nav-link {
  display: inline-block;
  line-height: 50px;
  padding: 0 15px;
  font-size: 15px;
  color: #ffffff;
  opacity: 0.7;
  transition: 0.2s;
}
.header .header-inner .header-nav-link:hover {
  color: #1094e8;
  opacity: 1;
}
.header .header-inner .header-social-link {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
}
.header .header-inner .header-social-link svg {
  vertical-align: middle;
}

@media screen and (max-width: 780px) {
  .header {
    display: none;
  }
}
.mobile-header {
  display: none;
  position: fixed;
  z-index: 2;
  top: 0;
  width: 100%;
  height: 50px;
}
.mobile-header .mobile-nav {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  background: #171f26;
  box-shadow: 0 1px 3px rgba(26, 26, 26, 0.1);
  text-align: center;
}
.mobile-header .mobile-nav .mobile-nav-icon {
  width: 50px;
  height: 50px;
  float: left;
  position: relative;
}
.mobile-header .mobile-nav .mobile-nav-icon span {
  position: absolute;
  left: 15px;
  top: 25px;
  width: 20px;
  height: 1px;
  background: #0e83cd;
}
.mobile-header .mobile-nav .mobile-nav-icon span:nth-child(1) {
  transform: translateY(-6px);
}
.mobile-header .mobile-nav .mobile-nav-icon span:nth-child(3) {
  transform: translateY(6px);
}
.mobile-header .mobile-nav .mobile-nav-title {
  display: inline-block;
  height: 100%;
  line-height: 50px;
  margin-right: 50px;
  font-family: '-apple-system,  "PingFang SC","Helvetica Neue",  "Microsoft YaHei"';
  font-size: 24px;
}
.mobile-header .mobile-nav .mobile-nav-title-link {
  color: white;
  opacity: 0.7;
}
.mobile-header .mobile-menu {
  display: none;
  position: fixed;
  top: 50px;
  width: 100%;
  background: white;
  box-shadow: 0 2px 2px #cacaca;
}
.mobile-header .mobile-menu .mobile-menu-list {
  list-style: none;
  margin: 20px 0;
  padding-left: 30px;
}
.mobile-header .mobile-menu .mobile-menu-item {
  text-align: left;
  margin: 10px 0;
  font-size: 15px;
  color: #999;
}
.mobile-header .mobile-menu .mobile-menu-item > .iconfont {
  padding-right: 5px;
}
.mobile-header .mobile-menu.show-menu {
  animation: showMenu 0.4s forwards;
  display: block;
}
.mobile-header .mobile-menu.hide-menu {
  animation: hideMenu 0.4s forwards;
  display: block;
  transform: translateY(0);
}

.mobile-nav-icon.show-menu span:nth-child(1) {
  animation: first-icon-open 0.4s both;
}
.mobile-nav-icon.show-menu span:nth-child(2) {
  display: none;
}
.mobile-nav-icon.show-menu span:nth-child(3) {
  animation: third-icon-open 0.4s both;
}

.mobile-nav-icon.hide-menu span:nth-child(1) {
  animation: first-icon-close 0.4s both;
}
.mobile-nav-icon.hide-menu span:nth-child(2) {
  display: block;
}
.mobile-nav-icon.hide-menu span:nth-child(3) {
  animation: third-icon-close 0.4s both;
}

@keyframes first-icon-open {
  from {
    transform: rotate(0) translateY(-6px);
  }
  to {
    transform: rotate(45deg) translateY(0);
  }
}
@keyframes first-icon-close {
  from {
    transform: rotate(45deg) translateY(0);
  }
  to {
    transform: rotate(0) translateY(-6px);
  }
}
@keyframes third-icon-open {
  from {
    transform: rotate(0) translateY(6px);
  }
  to {
    transform: rotate(-45deg) translateY(0);
  }
}
@keyframes third-icon-close {
  from {
    transform: rotate(-45deg) translateY(0);
  }
  to {
    transform: rotate(0) translateY(6px);
  }
}
@keyframes showMenu {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes hideMenu {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 1;
    transform: translateY(-100%);
  }
}
@media screen and (max-width: 780px) {
  .mobile-header {
    display: block;
  }
}
.post-abstract, .post-whole {
  padding-top: 25px;
}
.post-abstract .post-title h2, .post-whole .post-title h2 {
  font-weight: 400;
  margin: 0;
}
.post-abstract .post-title-link, .post-whole .post-title-link {
  color: #444;
}
.post-abstract .post-time, .post-abstract .post-category, .post-abstract .post-visit, .post-whole .post-time, .post-whole .post-category, .post-whole .post-visit {
  color: #999;
  font-size: 14px;
}
.post-abstract .post-category::before, .post-abstract .post-visit::before, .post-whole .post-category::before, .post-whole .post-visit::before {
  content: "·";
}
.post-abstract .post-content, .post-whole .post-content {
  font-size: 15px;
}
.post-abstract .post-content a, .post-whole .post-content a {
  color: #0e83cd;
  word-break: break-all;
}
.post-abstract .post-content a:hover, .post-whole .post-content a:hover {
  text-decoration: underline;
}
.post-abstract .post-content ul, .post-whole .post-content ul {
  padding-left: 0;
}

.post-abstract {
  padding-bottom: 20px;
  border-bottom: 1px solid #e6e6e6;
}
.post-abstract .read-more-link {
  font-size: 1.1em;
  color: #0e83cd;
}

.post-whole .post-content {
  border-bottom: 1px solid #e3e3e3;
}
.post-whole .post-tag {
  padding: 15px 0;
}
.post-whole .post-tag .tag {
  margin-right: 6px;
  color: #0e83cd;
}
.post-whole .post-tag .tag::before {
  content: "#";
}
.post-whole .post-tag .tag:hover {
  color: #1094e8;
}

code, pre {
  font-size: 14px;
  font-family: "Source Code Pro", Monaco, Menlo, Consolas, monospace;
}

code {
  background: #eee;
  color: #4d4d4c;
  padding: 0 5px;
}

blockquote {
  margin: 1em 0;
  padding: 10px 20px;
  border: 1px solid #e3e3e3;
  border-left: 5px solid #0af;
}
blockquote p {
  margin: 0;
}

.highlight {
  margin: 1em 0;
  background: #eee;
  border-radius: 4px;
  overflow-x: auto;
  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.125);
  position: relative;
}
.highlight table, .highlight tr, .highlight td {
  margin: 0;
  padding: 0;
  width: 100%;
  border-collapse: collapse;
}
.highlight table {
  position: relative;
}
.highlight table::after {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 2px 7px;
  font-size: 14px;
  content: "Code";
  background: rgb(232.9, 232.9, 232.9);
}
.highlight figcaption {
  position: absolute;
  z-index: 1;
  top: 0;
  width: 100%;
  background: rgb(232.9, 232.9, 232.9);
  padding: 2px 7px;
  box-sizing: border-box;
  overflow-x: hidden;
}
.highlight figcaption > a {
  position: absolute;
  right: 0;
  margin-right: 8px;
}
.highlight.html > table::after {
  content: "HTML";
}
.highlight.html > figcaption > span::after {
  content: " · HTML";
}
.highlight.html figcaption + table::after {
  display: none;
}
.highlight.css > table::after {
  content: "CSS";
}
.highlight.css > figcaption > span::after {
  content: " · CSS";
}
.highlight.css figcaption + table::after {
  display: none;
}
.highlight.javascript > table::after {
  content: "JavaScript";
}
.highlight.javascript > figcaption > span::after {
  content: " · JavaScript";
}
.highlight.javascript figcaption + table::after {
  display: none;
}
.highlight.typescripe > table::after {
  content: "TypeScript";
}
.highlight.typescripe > figcaption > span::after {
  content: " · TypeScript";
}
.highlight.typescripe figcaption + table::after {
  display: none;
}
.highlight.node > table::after {
  content: "NodeJs";
}
.highlight.node > figcaption > span::after {
  content: " · NodeJs";
}
.highlight.node figcaption + table::after {
  display: none;
}
.highlight.scss > table::after {
  content: "Scss";
}
.highlight.scss > figcaption > span::after {
  content: " · Scss";
}
.highlight.scss figcaption + table::after {
  display: none;
}
.highlight.less > table::after {
  content: "Less";
}
.highlight.less > figcaption > span::after {
  content: " · Less";
}
.highlight.less figcaption + table::after {
  display: none;
}
.highlight.stylus > table::after {
  content: "Stylus";
}
.highlight.stylus > figcaption > span::after {
  content: " · Stylus";
}
.highlight.stylus figcaption + table::after {
  display: none;
}
.highlight.java > table::after {
  content: "Java";
}
.highlight.java > figcaption > span::after {
  content: " · Java";
}
.highlight.java figcaption + table::after {
  display: none;
}
.highlight.python > table::after {
  content: "Python";
}
.highlight.python > figcaption > span::after {
  content: " · Python";
}
.highlight.python figcaption + table::after {
  display: none;
}
.highlight.php > table::after {
  content: "PHP";
}
.highlight.php > figcaption > span::after {
  content: " · PHP";
}
.highlight.php figcaption + table::after {
  display: none;
}
.highlight.ruby > table::after {
  content: "Ruby";
}
.highlight.ruby > figcaption > span::after {
  content: " · Ruby";
}
.highlight.ruby figcaption + table::after {
  display: none;
}
.highlight.c > table::after {
  content: "C";
}
.highlight.c > figcaption > span::after {
  content: " · C";
}
.highlight.c figcaption + table::after {
  display: none;
}
.highlight.cpp > table::after {
  content: "C++";
}
.highlight.cpp > figcaption > span::after {
  content: " · C++";
}
.highlight.cpp figcaption + table::after {
  display: none;
}
.highlight.swift > table::after {
  content: "Swift";
}
.highlight.swift > figcaption > span::after {
  content: " · Swift";
}
.highlight.swift figcaption + table::after {
  display: none;
}
.highlight.objectivec > table::after {
  content: "Objective-C";
}
.highlight.objectivec > figcaption > span::after {
  content: " · Objective-C";
}
.highlight.objectivec figcaption + table::after {
  display: none;
}
.highlight.go > table::after {
  content: "Go";
}
.highlight.go > figcaption > span::after {
  content: " · Go";
}
.highlight.go figcaption + table::after {
  display: none;
}
.highlight.json > table::after {
  content: "JSON";
}
.highlight.json > figcaption > span::after {
  content: " · JSON";
}
.highlight.json figcaption + table::after {
  display: none;
}
.highlight.xml > table::after {
  content: "XML";
}
.highlight.xml > figcaption > span::after {
  content: " · XML";
}
.highlight.xml figcaption + table::after {
  display: none;
}
.highlight.yml > table::after {
  content: "YAML";
}
.highlight.yml > figcaption > span::after {
  content: " · YAML";
}
.highlight.yml figcaption + table::after {
  display: none;
}
.highlight .gutter {
  width: 10px;
  color: #999;
}
.highlight .gutter pre {
  margin: 0;
  padding: 30px 7px 10px;
}
.highlight .code pre {
  margin: 0;
  padding: 30px 10px 10px;
}
.highlight .code .name,
.highlight .code .title,
.highlight .code .section,
.highlight .code .selector-id,
.highlight .code .selector-class {
  color: #cdb314;
}
.highlight .code .string,
.highlight .code .number,
.highlight .code .literal {
  color: #62a05d;
}
.highlight .code .keyword,
.highlight .code .selector-tag,
.highlight .code .addition {
  color: #e28b12;
}
.highlight .code .variable {
  color: #53a4d9;
}
.highlight .code .comment,
.highlight .code .quote {
  color: #999;
}
.highlight .code .built_in,
.highlight .code .deletion,
.highlight .code .meta {
  color: #c92027;
}

table {
  max-width: 100%;
  border: 1px solid #e3e3e3;
  margin: 1em 0;
  border-collapse: separate;
  border-spacing: 0;
  vertical-align: middle;
}
table tr td, table tr th {
  padding: 5px 10px;
  text-align: left;
  vertical-align: middle;
}
table tbody tr:nth-child(even) {
  background: #eee;
}

.post-toc {
  width: 240px;
  padding: 0 10px;
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  color: #444;
  box-sizing: border-box;
  position: absolute;
  margin-left: 770px;
}
.post-toc .post-toc-title {
  display: inline-block;
  border-top: 1px solid #e3e3e3;
  padding: 7px 0;
  color: #0e83cd;
}
.post-toc .toc-link {
  width: 100%;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-family: inherit;
  padding: 7px 0;
  display: block;
  line-height: 1;
}
.post-toc .toc-link:hover {
  color: #1094e8;
}
.post-toc .toc-link.active {
  color: #0e83cd;
}
.post-toc ol {
  list-style: none;
  padding-left: 15px;
}
.post-toc > ol {
  margin: 0;
  padding: 0;
}
.post-toc .back-to-top {
  margin-top: 30px;
}

@media screen and (max-width: 1310px) {
  .post-toc {
    display: none;
  }
}
.archive {
  padding: 1em 0;
}
.archive .archive-timeline {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.archive .archive-timeline .archive-year {
  font-weight: 400;
  font-size: 28px;
  margin: 15px 0;
}
.archive .archive-post {
  padding: 4px 20px;
  border-left: 1px solid #e3e3e3;
}
.archive .archive-post .archive-post-time {
  margin-right: 10px;
}
.archive .archive-post:hover {
  border-left: 3px solid #1094e8;
  transform: translateX(3px);
  transition: 0.3s ease-out;
}
.archive .archive-post:hover .archive-post-link {
  color: #1094e8;
}

.tags {
  padding: 2em 0;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
}
.tags-list .tags-list-item {
  cursor: pointer;
}
.tags-list .tags-list-item sup {
  margin-left: 2px;
  font-size: 0.7em;
  opacity: 0.6;
}

.tags-archives {
  margin-top: 15px;
}
.tags-archives .tag-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1em;
}
.tags-archives .tag-text {
  display: inline-block;
  margin: 20px 0 5px 0;
  font-size: 20px;
  font-weight: bold;
}
.tags-archives .tag-back {
  cursor: pointer;
  font-size: 0.9em;
  color: #c92027;
}
.tags-archives .tag-back:hover {
  color: #1094e8;
}
.tags-archives .tags-post {
  padding: 4px 20px;
  border-left: 1px solid #e3e3e3;
}
.tags-archives .tags-post:hover {
  border-left: 3px solid #1094e8;
  transform: translateX(3px);
  transition: 0.3s ease-out;
}
.tags-archives .tags-post:hover .tags-post-title {
  color: #1094e8;
}

.paginator {
  font-family: Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 20px;
}
.paginator::after {
  content: "";
  clear: both;
  display: block;
  overflow: hidden;
  height: 0;
  zoom: 1;
}
.paginator {
  margin: 1em 0;
}
.paginator .prev {
  float: left;
  transition: 0.3s ease-out;
}
.paginator .prev:hover {
  color: #1094e8;
  transform: translateX(-4px);
}
.paginator .next {
  float: right;
  transition: 0.3s ease-out;
}
.paginator .next:hover {
  color: #1094e8;
  transform: translateX(4px);
}
.paginator .nav-mobile {
  display: none;
}
@media screen and (max-width: 780px) {
  .paginator .nav-mobile {
    display: inline;
  }
  .paginator .nav-default {
    display: none;
  }
}

.post-copyright {
  padding: 10px;
  font-size: 16px;
  border-bottom: 1px solid #e3e3e3;
}
.post-copyright .post-copyright-item {
  margin: 5px 0;
}
.post-copyright .post-copyright-item a {
  color: #0e83cd;
}
.post-copyright .post-copyright-item a:hover {
  color: #1094e8;
}

.footer-social {
  text-align: center;
  color: #444;
  font-size: 14px;
  padding-bottom: 2.5em;
}

.social-link + .social-link {
  margin-left: 10px;
}
.social-link .iconfont {
  font-size: 30px;
  color: #444;
}

.footer-copyright .time-line {
  margin: 5px 0;
}
.footer-copyright .time-line .iconfont {
  font-size: 12px;
}

.video-container {
  position: relative;
  padding-bottom: 56.2%; /* 16:9 */
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}