@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; }
    .header .header-inner .header-nav-link {
      display: inline-block;
      line-height: 50px;
      padding: 0 15px;
      font-size: 15px;
      color: #ffffff;
      opacity: 0.7;
      transition: .2s; }
      .header .header-inner .header-nav-link:hover {
        color: #1094e8;
        opacity: 1; }

@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: #e9e9e9; }
  .highlight figcaption {
    position: absolute;
    z-index: 1;
    top: 0;
    width: 100%;
    background: #e9e9e9;
    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 .tags-list-item {
  margin-right: 15px; }
  .tags-list .tags-list-item::before {
    content: '#'; }

.tags-archives {
  margin-top: 15px; }
  .tags-archives .tag-text {
    display: inline-block;
    margin: 20px 0 5px 0;
    font-size: 20px; }
  .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;
  margin: 1em 0; }
  .paginator::after {
    content: "";
    clear: both;
    display: block;
    overflow: hidden;
    height: 0;
    zoom: 1; }
  .paginator .prev {
    float: left;
    transition: .3s ease-out; }
    .paginator .prev:hover {
      color: #1094e8;
      transform: translateX(-4px); }
  .paginator .next {
    float: right;
    transition: .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; }

.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; }

.footer-copyright .theme-info {
  margin: 0;
  margin-bottom: 15px; }

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

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