/*! normalize.css v8.0.0 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 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;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box;
  /* 1 */
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */
}

/* Text-level semantics
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  border-bottom: none;
  /* 1 */
  text-decoration: underline;
  /* 2 */
  text-decoration: underline dotted;
  /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, 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;
}

/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10.
 */
img {
  border-style: none;
}

/* 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 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input {
  /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 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;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  box-sizing: border-box;
  /* 1 */
  color: inherit;
  /* 2 */
  display: table;
  /* 1 */
  max-width: 100%;
  /* 1 */
  padding: 0;
  /* 3 */
  white-space: normal;
  /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */
[type='checkbox'],
[type='radio'] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[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 Edge, IE 10+, and Firefox.
 */
details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item;
}

/* Misc
   ========================================================================== */
/**
 * Add the correct display in IE 10+.
 */
template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */
[hidden] {
  display: none;
}

.main {
  max-width: 800px;
  width: 70%;
  margin: 50px auto 50px;
}

@media screen and (max-width: 600px) {
  .main {
    width: 85%;
  }
}

.navigation {
  margin-bottom: 50px;
}
.navigation a {
  color: #ff001f;
  text-decoration: underline solid;
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
}

#homepage,
#homepage body {
  margin: 0;
  padding: 0;
  height: 100%;
}

.homepage-main {
  margin: 0 auto;
  position: relative;
  top: 30%;
  font-weight: normal;
  margin: 0 0 10px;
}

.homepage-title-area {
  transition: opacity 1s;
  margin-bottom: 60px;
}

.homepage-title,
.homepage-subtitle {
  text-align: center;
  font-weight: normal;
  opacity: 0.7;
}

.homepage-title {
  font-size: 30px;
  margin: 0 0 10px;
  font-family: apple-system, 'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
}

.homepage-subtitle {
  font-size: 12px;
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
}

.homepage-navigation ul {
  padding: 0;
  text-align: center;
}

.homepage-navigation li {
  list-style: none;
  display: inline-block;
  margin: 30px 0 0 30px;
}
.homepage-navigation li:first-child {
  margin-left: 0;
}

.homepage-navigation a {
  color: #dd4242;
  text-decoration: none;
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
}
.homepage-navigation a:hover {
  text-decoration: underline;
}

.about p {
  margin-bottom: 30px;
  line-height: 1.5;
}

.about li {
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
  margin-top: 15px;
}
.about li a {
  color: #000;
  text-decoration: underline solid;
}

.article-title {
  font-weight: normal;
  font-family: apple-system, 'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
}

.article-info {
  color: #777777;
  margin-bottom: 50px;
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
}
.article-info span {
  margin: 0 30px 0px 0;
}

.article-info .keyword {
  margin: 5px 5px 0 0;
  display: inline-block;
}

@font-face {
  font-family: octicons-link;
  src: url(data:font/woff;charset=utf-8;base64,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)
    format('woff');
}

.markdown-body {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  line-height: 1.5;
  color: #24292e;
  font-family: apple-system, 'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  word-wrap: break-word;
}

.markdown-body .pl-c {
  color: #6a737d;
}

.markdown-body .pl-c1,
.markdown-body .pl-s .pl-v {
  color: #005cc5;
}

.markdown-body .pl-e,
.markdown-body .pl-en {
  color: #6f42c1;
}

.markdown-body .pl-smi,
.markdown-body .pl-s .pl-s1 {
  color: #24292e;
}

.markdown-body .pl-ent {
  color: #22863a;
}

.markdown-body .pl-k {
  color: #d73a49;
}

.markdown-body .pl-s,
.markdown-body .pl-pds,
.markdown-body .pl-s .pl-pse .pl-s1,
.markdown-body .pl-sr,
.markdown-body .pl-sr .pl-cce,
.markdown-body .pl-sr .pl-sre,
.markdown-body .pl-sr .pl-sra {
  color: #032f62;
}

.markdown-body .pl-v,
.markdown-body .pl-smw {
  color: #e36209;
}

.markdown-body .pl-bu {
  color: #b31d28;
}

.markdown-body .pl-ii {
  color: #fafbfc;
  background-color: #b31d28;
}

.markdown-body .pl-c2 {
  color: #fafbfc;
  background-color: #d73a49;
}

.markdown-body .pl-c2::before {
  content: '^M';
}

.markdown-body .pl-sr .pl-cce {
  font-weight: bold;
  color: #22863a;
}

.markdown-body .pl-ml {
  color: #735c0f;
}

.markdown-body .pl-mh,
.markdown-body .pl-mh .pl-en,
.markdown-body .pl-ms {
  font-weight: bold;
  color: #005cc5;
}

.markdown-body .pl-mi {
  font-style: italic;
  color: #24292e;
}

.markdown-body .pl-mb {
  font-weight: bold;
  color: #24292e;
}

.markdown-body .pl-md {
  color: #b31d28;
  background-color: #ffeef0;
}

.markdown-body .pl-mi1 {
  color: #22863a;
  background-color: #f0fff4;
}

.markdown-body .pl-mc {
  color: #e36209;
  background-color: #ffebda;
}

.markdown-body .pl-mi2 {
  color: #f6f8fa;
  background-color: #005cc5;
}

.markdown-body .pl-mdr {
  font-weight: bold;
  color: #6f42c1;
}

.markdown-body .pl-ba {
  color: #586069;
}

.markdown-body .pl-sg {
  color: #959da5;
}

.markdown-body .pl-corl {
  text-decoration: underline;
  color: #032f62;
}

.markdown-body .octicon {
  display: inline-block;
  vertical-align: text-top;
  fill: currentColor;
}

.markdown-body a {
  background-color: transparent;
}

.markdown-body a:active,
.markdown-body a:hover {
  outline-width: 0;
}

.markdown-body strong {
  font-weight: inherit;
}

.markdown-body strong {
  font-weight: bolder;
}

.markdown-body h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

.markdown-body img {
  border-style: none;
}

.markdown-body code,
.markdown-body kbd,
.markdown-body pre {
  font-family: monospace, monospace;
  font-size: 1em;
}

.markdown-body hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}

.markdown-body input {
  font: inherit;
  margin: 0;
}

.markdown-body input {
  overflow: visible;
}

.markdown-body [type='checkbox'] {
  box-sizing: border-box;
  padding: 0;
}

.markdown-body * {
  box-sizing: border-box;
}

.markdown-body input {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

.markdown-body a {
  color: #0366d6;
  text-decoration: none;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.markdown-body strong {
  font-weight: 600;
}

.markdown-body hr {
  height: 0;
  margin: 15px 0;
  overflow: hidden;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #dfe2e5;
}

.markdown-body hr::before {
  display: table;
  content: '';
}

.markdown-body hr::after {
  display: table;
  clear: both;
  content: '';
}

.markdown-body table {
  border-spacing: 0;
  border-collapse: collapse;
}

.markdown-body td,
.markdown-body th {
  padding: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 0;
  margin-bottom: 0;
}

.markdown-body h1 {
  font-size: 32px;
  font-weight: 600;
}

.markdown-body h2 {
  font-size: 24px;
  font-weight: 600;
}

.markdown-body h3 {
  font-size: 20px;
  font-weight: 600;
}

.markdown-body h4 {
  font-size: 16px;
  font-weight: 600;
}

.markdown-body h5 {
  font-size: 14px;
  font-weight: 600;
}

.markdown-body h6 {
  font-size: 12px;
  font-weight: 600;
}

.markdown-body p {
  margin-top: 0;
  margin-bottom: 10px;
}

.markdown-body blockquote {
  margin: 0;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.markdown-body ol ol,
.markdown-body ul ol {
  list-style-type: lower-roman;
}

.markdown-body ul ul ol,
.markdown-body ul ol ol,
.markdown-body ol ul ol,
.markdown-body ol ol ol {
  list-style-type: lower-alpha;
}

.markdown-body dd {
  margin-left: 0;
}

.markdown-body code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  font-size: 12px;
}

.markdown-body pre {
  margin-top: 0;
  margin-bottom: 0;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  font-size: 12px;
}

.markdown-body .octicon {
  vertical-align: text-bottom;
}

.markdown-body .pl-0 {
  padding-left: 0 !important;
}

.markdown-body .pl-1 {
  padding-left: 4px !important;
}

.markdown-body .pl-2 {
  padding-left: 8px !important;
}

.markdown-body .pl-3 {
  padding-left: 16px !important;
}

.markdown-body .pl-4 {
  padding-left: 24px !important;
}

.markdown-body .pl-5 {
  padding-left: 32px !important;
}

.markdown-body .pl-6 {
  padding-left: 40px !important;
}

.markdown-body::before {
  display: table;
  content: '';
}

.markdown-body::after {
  display: table;
  clear: both;
  content: '';
}

.markdown-body > *:first-child {
  margin-top: 0 !important;
}

.markdown-body > *:last-child {
  margin-bottom: 0 !important;
}

.markdown-body a:not([href]) {
  color: inherit;
  text-decoration: none;
}

.markdown-body .anchor {
  float: left;
  padding-right: 4px;
  margin-left: -20px;
  line-height: 1;
}

.markdown-body .anchor:focus {
  outline: none;
}

.markdown-body p,
.markdown-body blockquote,
.markdown-body ul,
.markdown-body ol,
.markdown-body dl,
.markdown-body table,
.markdown-body pre {
  margin-top: 0;
  margin-bottom: 16px;
}

.markdown-body hr {
  height: 0.25em;
  padding: 0;
  margin: 24px 0;
  background-color: #e1e4e8;
  border: 0;
}

.markdown-body blockquote {
  padding: 0 1em;
  color: #6a737d;
  border-left: 0.25em solid #dfe2e5;
}

.markdown-body blockquote > :first-child {
  margin-top: 0;
}

.markdown-body blockquote > :last-child {
  margin-bottom: 0;
}

.markdown-body kbd {
  display: inline-block;
  padding: 3px 5px;
  font-size: 11px;
  line-height: 10px;
  color: #444d56;
  vertical-align: middle;
  background-color: #fafbfc;
  border: solid 1px #c6cbd1;
  border-bottom-color: #959da5;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #959da5;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
}

.markdown-body h1 .octicon-link,
.markdown-body h2 .octicon-link,
.markdown-body h3 .octicon-link,
.markdown-body h4 .octicon-link,
.markdown-body h5 .octicon-link,
.markdown-body h6 .octicon-link {
  color: #1b1f23;
  vertical-align: middle;
  visibility: hidden;
}

.markdown-body h1:hover .anchor,
.markdown-body h2:hover .anchor,
.markdown-body h3:hover .anchor,
.markdown-body h4:hover .anchor,
.markdown-body h5:hover .anchor,
.markdown-body h6:hover .anchor {
  text-decoration: none;
}

.markdown-body h1:hover .anchor .octicon-link,
.markdown-body h2:hover .anchor .octicon-link,
.markdown-body h3:hover .anchor .octicon-link,
.markdown-body h4:hover .anchor .octicon-link,
.markdown-body h5:hover .anchor .octicon-link,
.markdown-body h6:hover .anchor .octicon-link {
  visibility: visible;
}

.markdown-body h1 {
  padding-bottom: 0.3em;
  font-size: 2em;
  border-bottom: 1px solid #eaecef;
}

.markdown-body h2 {
  padding-bottom: 0.3em;
  font-size: 1.5em;
  border-bottom: 1px solid #eaecef;
}

.markdown-body h3 {
  font-size: 1.25em;
}

.markdown-body h4 {
  font-size: 1em;
}

.markdown-body h5 {
  font-size: 0.875em;
}

.markdown-body h6 {
  font-size: 0.85em;
  color: #6a737d;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 2em;
}

.markdown-body ul ul,
.markdown-body ul ol,
.markdown-body ol ol,
.markdown-body ol ul {
  margin-top: 0;
  margin-bottom: 0;
}

.markdown-body li {
  word-wrap: break-all;
}

.markdown-body li > p {
  margin-top: 16px;
}

.markdown-body li + li {
  margin-top: 0.25em;
}

.markdown-body dl {
  padding: 0;
}

.markdown-body dl dt {
  padding: 0;
  margin-top: 16px;
  font-size: 1em;
  font-style: italic;
  font-weight: 600;
}

.markdown-body dl dd {
  padding: 0 16px;
  margin-bottom: 16px;
}

.markdown-body table {
  display: block;
  width: 100%;
  overflow: auto;
}

.markdown-body table th {
  font-weight: 600;
}

.markdown-body table th,
.markdown-body table td {
  padding: 6px 13px;
  border: 1px solid #dfe2e5;
}

.markdown-body table tr {
  background-color: #fff;
  border-top: 1px solid #c6cbd1;
}

.markdown-body table tr:nth-child(2n) {
  background-color: #f6f8fa;
}

.markdown-body img {
  max-width: 100%;
  box-sizing: content-box;
  background-color: #fff;
}

.markdown-body img[align='right'] {
  padding-left: 20px;
}

.markdown-body img[align='left'] {
  padding-right: 20px;
}

.markdown-body code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: rgba(27, 31, 35, 0.05);
  border-radius: 3px;
}

.markdown-body pre {
  word-wrap: normal;
}

.markdown-body pre > code {
  padding: 0;
  margin: 0;
  font-size: 100%;
  word-break: normal;
  white-space: pre;
  background: transparent;
  border: 0;
}

.markdown-body .highlight {
  margin-bottom: 16px;
}

.markdown-body .highlight pre {
  margin-bottom: 0;
  word-break: normal;
}

.markdown-body .highlight pre,
.markdown-body pre {
  padding: 16px;
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: #f6f8fa;
  border-radius: 3px;
}

.markdown-body pre code {
  display: inline;
  max-width: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  line-height: inherit;
  word-wrap: normal;
  background-color: transparent;
  border: 0;
}

.markdown-body .full-commit .btn-outline:not(:disabled):hover {
  color: #005cc5;
  border-color: #005cc5;
}

.markdown-body kbd {
  display: inline-block;
  padding: 3px 5px;
  font: 11px 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  line-height: 10px;
  color: #444d56;
  vertical-align: middle;
  background-color: #fafbfc;
  border: solid 1px #d1d5da;
  border-bottom-color: #c6cbd1;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #c6cbd1;
}

.markdown-body :checked + .radio-label {
  position: relative;
  z-index: 1;
  border-color: #0366d6;
}

.markdown-body .task-list-item {
  list-style-type: none;
}

.markdown-body .task-list-item + .task-list-item {
  margin-top: 3px;
}

.markdown-body .task-list-item input {
  margin: 0 0.2em 0.25em -1.6em;
  vertical-align: middle;
}

.markdown-body hr {
  border-bottom-color: #eee;
}

.blogs-list-block {
  line-height: 1.5em;
}
.blogs-list-block ol {
  margin-bottom: 60px;
}
@media screen and (max-width: 600px) {
  .blogs-list-block ol {
    padding-left: 1em;
  }
}
.blogs-list-block li {
  display: flex;
  list-style-type: none;
  margin-bottom: 20px;
}

.annual-block {
  margin-bottom: 50px;
}

.annual-block-headline {
  display: block;
  font-size: 20px;
  margin-bottom: 30px;
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
}

.annual-block-title {
  font-family: apple-system, 'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
  color: #000;
  text-decoration: none;
}
.annual-block-title.is-dir {
  text-decoration: dotted underline;
}

.annual-block-date {
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
  margin-right: 30px;
  color: #999999;
}

.rss-link {
  display: block;
  width: 3em;
  padding-left: 100%;
  margin: 50px 0 100px -3em;
  color: #000;
}

.error {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}
.error p {
  font-size: 20px;
}
.error a {
  font-family: 'Lucida Console', 'Liberation Mono', Menlo, Monaco, Roboto, apple-system,
    'Helvetica Neue', Arial, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'WenQuanYi Micro Hei', sans-serif;
  text-decoration: underline dotted;
  color: #777777;
}