/*! modern-normalize | MIT License | https://github.com/sindresorhus/modern-normalize */
/* Document
   ========================================================================== */
/**
 * Use a better box model (opinionated).
 */
html {
  box-sizing: border-box;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
/**
 * Use a more readable tab size (opinionated).
 */
:root {
  -moz-tab-size: 4;
  tab-size: 4;
}
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
  line-height: 1.15;
  /* 1 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
}
/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0;
}
/**
 * Improve consistency of default fonts in all browsers. (https://github.com/sindresorhus/modern-normalize/issues/3)
 */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
}
/* Grouping content
   ========================================================================== */
/**
 * Add the correct height in Firefox.
 */
hr {
  height: 0;
}
/* Text-level semantics
   ========================================================================== */
/**
 * Add the correct text decoration in Chrome, Edge, and Safari.
 */
abbr[title] {
  text-decoration: underline dotted;
}
/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder;
}
/**
 * 1. Improve consistency of default fonts in all browsers. (https://github.com/sindresorhus/modern-normalize/issues/3)
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp,
pre {
  font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */
}
/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%;
}
/**
 * Prevent `sub` and `sup` elements from affecting the line height in all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sub {
  bottom: -0.25em;
}
sup {
  top: -0.5em;
}
/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  /* 1 */
  font-size: 100%;
  /* 1 */
  line-height: 1.15;
  /* 1 */
  margin: 0;
  /* 2 */
}
/**
 * Remove the inheritance of text transform in Edge and Firefox.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select {
  /* 1 */
  text-transform: none;
}
/**
 * Correct the inability to style clickable types in iOS and Safari.
 */
button,
[type='button'],
[type='reset'],
[type='submit'] {
  -webkit-appearance: button;
}
/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type='button']::-moz-focus-inner,
[type='reset']::-moz-focus-inner,
[type='submit']::-moz-focus-inner {
  border-style: none;
  padding: 0;
}
/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type='button']:-moz-focusring,
[type='reset']:-moz-focusring,
[type='submit']:-moz-focusring {
  outline: 1px dotted ButtonText;
}
/**
 * Correct the padding in Firefox.
 */
fieldset {
  padding: 0.35em 0.75em 0.625em;
}
/**
 * Remove the padding so developers are not caught out when they zero out `fieldset` elements in all browsers.
 */
legend {
  padding: 0;
}
/**
 * Add the correct vertical alignment in Chrome and Firefox.
 */
progress {
  vertical-align: baseline;
}
/**
 * Correct the cursor style of increment and decrement buttons in Safari.
 */
[type='number']::-webkit-inner-spin-button,
[type='number']::-webkit-outer-spin-button {
  height: auto;
}
/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type='search'] {
  -webkit-appearance: textfield;
  /* 1 */
  outline-offset: -2px;
  /* 2 */
}
/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type='search']::-webkit-search-decoration {
  -webkit-appearance: none;
}
/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button;
  /* 1 */
  font: inherit;
  /* 2 */
}
/* Interactive
   ========================================================================== */
/*
 * Add the correct display in Chrome and Safari.
 */
summary {
  display: list-item;
}
*,
*:before,
*:after {
  margin: 0;
  padding: 0;
}
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  border: 0;
  vertical-align: baseline;
}
html {
  font-size: 58%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, opensans, Optima, 'Microsoft Yahei', sans-serif;
  font-size: 16px;
  color: #333;
  background: #F9FAFB;
  letter-spacing: 1.0382;
}
a {
  color: #333;
  text-decoration: none;
  transition: all 0.3s;
}
a:hover {
  color: #006CFF;
}
body,
div,
a,
p,
ul,
li,
ol,
h1,
h2,
h3,
h4,
h5,
h6,
table,
tr,
td {
  font-weight: normal;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.main {
  max-width: 800px;
  min-height: 100vh;
  margin: 0 auto;
  background: #F9FAFB;
}
.main .main-content {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  flex: 1;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
@media (prefers-color-scheme: dark) {
  body {
    background: #1A1A1A;
  }
  .main {
    background: #1A1A1A;
  }
}
.site-header {
  text-align: center;
  margin-top: 30px;
}
.site-header .site-title {
  font-size: 24px;
  font-weight: bold;
  margin: 32px 0 0;
  text-align: left;
}
.site-header .site-description {
  font-size: 16px;
  color: #9CA3AF;
  margin: 8px 0 0;
  text-align: left;
}
.site-header .site-avatar {
  width: fit-content;
  height: fit-content;
}
.site-header .avatar {
  margin-bottom: 24px;
  border-radius: 50%;
  width: 120px;
  height: 120px;
  display: block;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.site-header .social-container {
  padding: 16px 0;
  font-size: 18px;
  float: left;
}
.site-header .social-container a {
  margin: 4 8px;
  color: #9CA3AF;
}
@media (prefers-color-scheme: dark) {
  .site-header {
    text-align: center;
    margin-top: 30px;
  }
  .site-header .site-title {
    color: #CECECE;
  }
  .site-header .site-description {
    color: #888888;
  }
  .site-header .social-container a {
    color: #888888;
  }
}
@media (max-width: 600px) {
  .site-header .avatar {
    width: 120px;
    height: 120px;
  }
}
.nav-bar .menu-container {
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}
.nav-bar .menu-container a.home {
  font-size: 16px;
  padding: 8px 4px;
  color: #000;
  float: left;
}
.nav-bar .menu-container .home-icon {
  height: 20px;
  width: 24px;
  vertical-align: middle;
}
.nav-bar .menu-container span {
  vertical-align: middle;
  margin-left: 5px;
}
.nav-bar .menu-container .home:hover {
  background-color: #F3F4F6;
  border-radius: 5px;
}
.nav-bar .menu-container a.menu {
  margin-right: 8px;
  padding: 8px 16px;
  color: #1D4ED8;
}
.nav-bar .menu-container a.rss {
  font-size: 16px;
  padding: 8px 16px;
  border-radius: 5px;
  color: #BE185D;
  background-color: #FDF2F8;
}
.nav-bar .menu-container .nav-rss {
  float: right;
}
.nav-bar .menu-container .nav-menu {
  padding: 8px 0px;
  float: right;
}
.nav-bar .menu-container .menu:hover {
  background-color: #EFF6FF;
  border-radius: 5px;
}
.nav-bar .menu-container .rss:hover {
  background-color: #FCE7F3;
}
@media (prefers-color-scheme: dark) {
  .nav-bar .menu-container a.home {
    color: #fff;
  }
  .nav-bar .menu-container .home-icon path {
    fill: #1a1a1a;
  }
  .nav-bar .menu-container a.menu {
    color: #1ABC9C;
  }
  .nav-bar .menu-container .menu:hover {
    background-color: #373737;
  }
  .nav-bar .menu-container .home:hover {
    background-color: #373737;
  }
  .nav-bar .menu-container a.rss {
    background-color: #e7b0ce;
  }
  .nav-bar .menu-container .rss:hover {
    background-color: #e494c0;
  }
}
@media (max-width: 600px) {
  .nav-bar .menu-container a.menu,
  .nav-bar .menu-container a.rss {
    padding: 8px 8px;
  }
  .nav-bar .menu-container .home-title,
  .nav-bar .menu-container .rss-title {
    display: none;
  }
}
.post-container {
  flex: 1;
}
.post-container .article {
  background: #FFF;
  padding: 24px;
  border-radius: 5px;
  margin: 24px 0 0;
  transition-duration: 0.5s;
  box-shadow: 1px 1px 0px 0px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.post-container .post-tag {
  background-color: #DBEAFE;
  padding: 4px 8px;
  border-radius: 5px;
  width: fit-content;
  margin-bottom: 8px;
  color: #1E40AF;
  display: inline-block;
}
.post-container .post-tag .tag-icon {
  height: 14px;
  width: 14px;
  vertical-align: middle;
}
.post-container .post-tag a {
  vertical-align: middle;
}
.post-container .post-tag .tag {
  color: #1E40AF;
  font-size: 14px;
  margin: 0 0 0 4px;
}
.post-container .post {
  display: flex;
  flex-direction: row;
}
.post-container .post .post-left {
  width: 100%;
  display: flex;
  flex-direction: column;
}
.post-container .post .post-head {
  text-align: left;
}
.post-container .post .post-head .top-icon {
  float: left;
  margin: 8px 8px;
  vertical-align: middle;
}
.post-container .post .title {
  width: fit-content;
}
.post-container .post .post-title {
  font-size: 20px;
  text-align: left;
  margin: 10px 0;
  font-weight: 900;
}
.post-container .post .post-info {
  text-align: left;
  font-size: 12px;
  margin: 10px 0;
  color: #9CA3AF;
  display: inline-block;
}
.post-container .post .post-info .post-date,
.post-container .post .post-info .view-icon {
  height: 14px;
  width: 14px;
  vertical-align: middle;
}
.post-container .post .post-info time,
.post-container .post .post-info span {
  vertical-align: middle;
}
.post-container .post .post-info time::after,
.post-container .post .post-info .leancloud_visitors::after {
  content: "·";
}
.post-container .post .post-feature-image {
  display: block;
  width: 50%;
  height: 140px;
  margin: 30px 30px;
  border-radius: 2px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.post-container .post .post-feature-image img {
  width: 100%;
  height: 100%;
}
.post-container .post .post-abstract {
  margin: 30px 0;
  line-height: 1.5;
  font-size: 14px;
  color: #9CA3AF;
}
.post-container .post .post-abstract strong {
  font-weight: bolder;
}
.post-container .post .post-abstract a {
  color: #1ABC9C;
  transition: all 0.3s;
}
.post-container .post .post-abstract a:hover {
  color: #0061e6;
  border-bottom: 1px dotted #0061e6;
}
.post-container .post .post-abstract code {
  padding: 0 3px;
  margin: 0 2px;
  background: rgba(195, 195, 195, 0.41);
  font-size: 0.9em;
  border-radius: 2px;
}
.pagination-container {
  padding: 45px 0 32px 0;
  overflow: hidden;
}
.pagination-container .prev-page {
  padding: 8px 16px;
  float: left;
}
.pagination-container .next-page {
  padding: 8px 16px;
  float: right;
}
.pagination-container .prev-page:hover,
.pagination-container .next-page:hover {
  background-color: #EFF6FF;
  border-radius: 5px;
}
@media (prefers-color-scheme: dark) {
  .post-container .article {
    background: #242424;
  }
  .post-container .post .post-title {
    color: #cecece;
  }
  .post-container .post .post-title:hover {
    color: #1ABC9C;
  }
  .post-container .post .post-abstract {
    color: #888888;
  }
  .post-container .post .post-info {
    color: #888888;
  }
  .post-container .post .post-abstract a:hover {
    color: #1ABC9C;
    border-bottom: 1px dotted #1ABC9C;
  }
  .post-container .post-tag {
    color: #1ABC9C;
    background-color: #374151;
  }
  .post-container .post-tag .tag {
    color: #1ABC9C;
  }
  .pagination-container a {
    color: #888888;
  }
  .pagination-container .prev-page:hover,
  .pagination-container .next-page:hover {
    background-color: #373737;
  }
}
@media (max-width: 600px) {
  .post-container .article {
    padding: 24px;
    margin: 24px 0 0;
    border-radius: 5px;
  }
  .post-container .article:hover {
    transform: scale(1.0082);
  }
  .post-container .post .post-title {
    padding: 0 0;
  }
  .post-container .post .post-abstract {
    padding: 0 0;
    margin: 30px 0;
  }
  .post-container .post .post-feature-image {
    display: none;
  }
}
.v[data-class=v] .vpower a {
  color: #1D4ED8;
}
span.vat {
  color: #1D4ED8 !important;
}
.vh .vcontent a {
  color: #1D4ED8 !important;
}
@media (prefers-color-scheme: dark) {
  .v[data-class=v] .vpower a {
    color: #1ABC9C;
  }
  span.vat {
    color: #1ABC9C !important;
  }
  .vh .vcontent a {
    color: #1ABC9C !important;
  }
}
.post-detail {
  flex: 1;
  margin-top: 80px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.post-detail .post {
  padding: 32px;
  border-radius: 5px;
}
.post-detail .post .post-tag {
  background-color: #DBEAFE;
  padding: 4px 8px;
  border-radius: 5px;
  width: fit-content;
  margin: 16px 0;
  color: #1E40AF;
  display: inline-block;
}
.post-detail .post .post-tag .tag-icon {
  height: 14px;
  width: 14px;
  vertical-align: middle;
}
.post-detail .post .post-tag .tag {
  color: #1E40AF;
  font-size: 14px;
  margin: 0 0 0 4px;
}
.post-detail .post .post-feature-image {
  padding-top: 56.25%;
  background-size: cover;
  background-position: center;
  margin-bottom: 24px;
  border-radius: 2px;
}
.post-detail .post .post-title {
  font-size: 30px;
  text-align: left;
  margin: 12px 0;
  font-weight: 600;
}
.post-detail .post .post-info {
  text-align: left;
  font-size: 14px;
  margin: 24px 0;
  color: #9CA3AF;
  display: inline-block;
}
.post-detail .post .post-info .post-date,
.post-detail .post .post-info .view-icon {
  height: 14px;
  width: 14px;
  vertical-align: middle;
}
.post-detail .post .post-info time,
.post-detail .post .post-info span {
  vertical-align: middle;
}
.post-detail .post .post-info time::after,
.post-detail .post .post-info .leancloud_visitors::after {
  content: "·";
}
.post-detail .post .post-content a {
  color: #006CFF;
}
.post-detail .post .post-content a:hover {
  border-bottom: 1px dotted #0061e6;
}
.post-detail .post .post-content img {
  display: block;
  box-shadow: 0 0 30px #eee;
  max-width: 100%;
  border-radius: 2px;
  margin: 24px auto;
}
.post-detail .post .post-content p {
  line-height: 1.725;
  margin-bottom: 24px;
  font-size: 16px;
  letter-spacing: 1.0382;
}
.post-detail .post .post-content p code,
.post-detail .post .post-content li code {
  padding: 0 3px;
  margin: 0 2px;
  background: rgba(195, 195, 195, 0.41);
  font-size: 0.9em;
  border-radius: 2px;
  display: inline-block;
}
.post-detail .post .post-content pre {
  margin-bottom: 24px;
}
.post-detail .post .post-content pre code {
  font-size: 16px;
  font-family: 'Source Code Pro', Consolas, Menlo, Monaco, 'Courier New', monospace;
  padding: 1em;
  border-radius: 5px;
  line-height: 1.375;
}
.post-detail .post .post-content blockquote {
  padding: 16px;
  border-left: 2px solid #006cff;
  margin-bottom: 16px;
}
.post-detail .post .post-content blockquote p {
  margin-bottom: 0;
}
.post-detail .post .post-content table {
  border-collapse: collapse;
  margin: 1rem 0;
  display: block;
  overflow-x: auto;
}
.post-detail .post .post-content tr {
  border-top: 1px solid #dfe2e5;
}
.post-detail .post .post-content td,
.post-detail .post .post-content th {
  border: 1px solid #dfe2e5;
  padding: 0.6em 1em;
}
.post-detail .post .post-content ul,
.post-detail .post .post-content ol {
  padding-left: 24px;
  line-height: 1.725;
  margin-bottom: 16px;
}
.post-detail .post .post-content h1,
.post-detail .post .post-content h2,
.post-detail .post .post-content h3,
.post-detail .post .post-content h4,
.post-detail .post .post-content h5,
.post-detail .post .post-content h6 {
  margin: 16px 0;
  font-weight: bold;
}
.post-detail .post .post-content h1 {
  font-size: 28px;
}
.post-detail .post .post-content h2 {
  font-size: 24px;
}
.post-detail .post .post-content h3 {
  font-size: 20px;
}
.post-detail .post .post-content h4 {
  font-size: 18px;
}
.post-detail .post .post-content h5 {
  font-size: 16px;
}
.post-detail .post .post-content h6 {
  font-size: 14px;
}
.post-detail .post .aspect-ratio {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 75%;
}
.post-detail .post .aspect-ratio iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}
.near-post {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 20px 0;
  gap: 5rem;
  border-width: 3px;
}
.near-post .prev-post {
  text-align: center;
  padding: 24px 32px;
  text-align: left;
}
.near-post .post-title {
  font-size: 14px;
  font-weight: bold;
}
.near-post .prev,
.near-post .next {
  margin-bottom: 24px;
  color: #343a40;
  font-size: 12px;
}
.near-post .next-post {
  text-align: center;
  padding: 24px 32px;
  text-align: right;
}
#gitalk-container,
#disqus_thread,
#vcomments {
  padding: 24px 0;
}
@media (prefers-color-scheme: dark) {
  .post-detail .post {
    background: #242424;
  }
  .post-detail .post .post-title {
    color: #cecece;
  }
  .post-detail .post .post-info {
    color: #888888;
  }
  .post-detail .post .post-tag {
    color: #1ABC9C;
    background-color: #374151;
  }
  .post-detail .post .post-tag .tag {
    color: #1ABC9C;
  }
  .post-detail .post .post-content {
    color: #CECECE;
  }
  .post-detail .post .post-content a {
    color: #1ABC9C;
  }
  .post-detail .post .post-content a:hover {
    border-bottom: 1px dotted #1ABC9C;
  }
  .post-detail .post .post-content img {
    box-shadow: none;
  }
  .post-detail .post .post-content p code,
  .post-detail .post .post-content li code {
    color: white;
  }
  .post-detail .post .post-content blockquote {
    background: #2a2a2a;
    border-left: 2px solid #1ABC9C;
  }
  .post-detail .post .post-content td,
  .post-detail .post .post-content th {
    color: #888888;
  }
  .near-post .prev,
  .near-post .next {
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