/*! normalize.css v6.0.0 | 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
 *    IE on Windows Phone and in iOS.
 */

html {
  line-height: 1.15; /* 1 */
  -ms-text-size-adjust: 100%; /* 2 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 */

article,
aside,
footer,
header,
nav,
section {
  display: block;
}

/**
 * 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
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in IE.
 */

figcaption,
figure,
main { /* 1 */
  display: block;
}

/**
 * Add the correct margin in IE 8.
 */

figure {
  margin: 1em 40px;
}

/**
 * 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
   ========================================================================== */

/**
 * 1. Remove the gray background on active links in IE 10.
 * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
 */

a {
  background-color: transparent; /* 1 */
  -webkit-text-decoration-skip: objects; /* 2 */
}

/**
 * 1. Remove the bottom border in Chrome 57- and Firefox 39-.
 * 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 */
}

/**
 * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
 */

b,
strong {
  font-weight: inherit;
}

/**
 * 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 style in Android 4.3-.
 */

dfn {
  font-style: italic;
}

/**
 * Add the correct background and color in IE 9-.
 */

mark {
  background-color: #ff0;
  color: #000;
}

/**
 * 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
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 */

audio,
video {
  display: inline-block;
}

/**
 * Add the correct display in iOS 4-7.
 */

audio:not([controls]) {
  display: none;
  height: 0;
}

/**
 * Remove the border on images inside links in IE 10-.
 */

img {
  border-style: none;
}

/**
 * Hide the overflow in IE.
 */

svg:not(:root) {
  overflow: hidden;
}

/* Forms
   ========================================================================== */

/**
 * Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
  margin: 0;
}

/**
 * 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;
}

/**
 * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
 *    controls in Android 4.
 * 2. Correct the inability to style clickable types in iOS and Safari.
 */

button,
html [type="button"], /* 1 */
[type="reset"],
[type="submit"] {
  -webkit-appearance: button; /* 2 */
}

/**
 * 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;
}

/**
 * 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 */
}

/**
 * 1. Add the correct display in IE 9-.
 * 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  display: inline-block; /* 1 */
  vertical-align: baseline; /* 2 */
}

/**
 * Remove the default vertical scrollbar in IE.
 */

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 and cancel buttons in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-cancel-button,
[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 IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 */

details, /* 1 */
menu {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
  display: list-item;
}

/* Scripting
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 */

canvas {
  display: inline-block;
}

/**
 * Add the correct display in IE.
 */

template {
  display: none;
}

/* Hidden
   ========================================================================== */

/**
 * Add the correct display in IE 10-.
 */

[hidden] {
  display: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  line-height: 1.8em;
  color: #333;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a {
  text-decoration: none;
  color: #585858;
  border-bottom: 1px solid rgba(88,88,88,0.35);
  transition: color 180ms ease, border-color 180ms ease;
}
a:hover {
  color: #111;
  border-bottom-color: #111;
}
figure.highlight {
  display: block;
  width: 92%;
  margin: auto;
  overflow-x: auto;
}
.highlight > table {
  width: 100%;
}
figure.highlight,
.code,
code {
  font-family: Monaco, Menlo, Consolas, 'Microsoft Yahei', monospace;
  font-size: 13px;
  margin: auto 5px;
}
figure.highlight pre,
.code pre,
code pre {
  margin: auto;
  overflow-x: auto;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6em;
}
img {
  max-width: 100%;
}
sup a {
  border-bottom: none;
}
blockquote {
  margin: 1em 0;
  padding: 0 40px;
  box-sizing: border-box;
  border-left: 2px solid #333;
}
.container {
  box-sizing: border-box;
  position: absolute;
  left: 260px;
  right: 0;
  margin: auto;
  max-width: 1240px;
  width: 72%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.container > div > footer {
  width: 100%;
  text-align: center;
  color: #969696;
  font-size: 13px;
  line-height: 22px;
  padding: 4rem 0 2.5rem;
}
.container > div > footer a {
  color: #969696;
  border-color: #969696;
}
.container > div > footer a:hover {
  color: #4b4b4b;
  border-color: #4b4b4b;
}
.Index,
.TagArticle {
  padding: 3.5em 0 0 0;
  margin: 0;
}
.Index > li,
.TagArticle > li {
  list-style: none;
  margin-bottom: 2em;
}
.Archives {
  position: relative;
  padding: 7em 16px 0;
}
.Archives::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -2px;
  height: auto;
  content: '';
  background-color: #ddd;
  width: 2px;
}
.Archives h1,
.Archives h2 {
  font-weight: 400;
}
.Archives h1::before,
.Archives h2::before {
  position: absolute;
  left: -6px;
  content: '';
  background-color: #ddd;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 7px;
}
.Archives h1:hover::before,
.Archives h2:hover::before {
  background-color: #777;
  transition: background-color 500ms ease;
}
.Archives h2 {
  font-size: 1.3rem;
  margin-bottom: 0;
}
.Archives h2::before {
  left: -5px;
  margin-top: 8px;
  width: 8px;
  height: 8px;
}
.Tags {
  margin: 0;
  padding: 4em 0 0 0;
  text-align: center;
}
.Tags > li {
  list-style: none;
}
.Tags a {
  border-bottom: none;
}
@media screen and (max-width: 1024px) {
  .container {
    position: absolute;
    left: 0;
    right: 0;
    padding-top: 260px;
    overflow-x: hidden;
    max-width: none;
    width: auto;
  }
  .container::before {
    content: '';
    display: block;
    position: relative;
    height: 1px;
    width: 10%;
    background-color: #cdcdcd;
    top: 3.5em;
    margin: auto;
  }
  .Archives {
    padding: 0 16px;
    margin-top: 4em;
  }
  .container > * {
    margin-left: 4%;
    margin-right: 4%;
  }
}
@media screen and (max-width: 450px) {
  html,
  body {
    font-size: 90%;
  }
  blockquote {
    padding: 0 10px;
  }
  code pre {
    font-size: 80%;
  }
  .title h1,
  .PageTitle h1 {
    font-size: 1.3rem !important;
  }
}
.route-trans-enter {
  position: absolute;
  left: 0;
  right: 0;
  transform: translateX(-100px);
  opacity: 0;
}
.route-trans-enter.route-trans-enter-active {
  animation: route-trans-e 0.8s;
  animation-fill-mode: forwards;
}
.route-trans-leave {
  position: absolute;
  left: 0;
  right: 0;
  transform: translateX(0);
  opacity: 1;
}
.route-trans-leave.route-trans-leave-active {
  animation: route-trans-o 0.8s;
  animation-fill-mode: forwards;
}
[data-pager-shell] {
  flex: 1;
  display: flex;
  flex-direction: column;
}
[data-pager-shell] > footer {
  margin-top: auto;
}
.recent-updates {
  margin-top: 3rem;
  margin-bottom: 2.5rem;
  text-align: left;
}
.recent-updates-title {
  font-size: 0.9em;
  font-weight: 600;
  color: #555;
  margin-bottom: 0.9em;
  letter-spacing: 0.04em;
}
.recent-updates-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.recent-updates-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1em;
  padding: 0.4em 0;
  border-bottom: 1px solid #f0f0f0;
}
.recent-updates-list li:last-child {
  border-bottom: none;
}
.recent-updates-list li a {
  color: #969696;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.recent-updates-list li a:hover {
  color: #111;
}
.recent-updates-list .recent-updates-date {
  flex-shrink: 0;
  font-size: 0.85em;
  color: #bbb;
}
@-moz-keyframes route-trans-e {
  0% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  50% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}
@-webkit-keyframes route-trans-e {
  0% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  50% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}
@-o-keyframes route-trans-e {
  0% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  50% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}
@keyframes route-trans-e {
  0% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  50% {
    transform: translate3d(-100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}
@-moz-keyframes route-trans-o {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
  50% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
}
@-webkit-keyframes route-trans-o {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
  50% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
}
@-o-keyframes route-trans-o {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
  50% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
}
@keyframes route-trans-o {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
  50% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
  100% {
    transform: translate3d(100px, 0, 0);
    opacity: 0;
  }
}
.SideBar {
  position: fixed;
  width: 260px;
  overflow-y: auto;
  top: 0;
  left: 0;
  bottom: 0;
  height: 100%;
  position: fixed;
  background-color: #fff;
  z-index: 10000;
  border-right: 1px solid #ddd;
}
.SideBar > section {
  width: 100%;
}
.media {
  position: absolute;
  width: 100%;
  bottom: 1.2rem;
  text-align: center;
}
.media > a {
  margin: 0 0.6em;
  border: none;
  display: inline-block;
}
.media img {
  width: 1.3em;
  height: auto;
  opacity: 0.5;
}
.media img:hover {
  opacity: 0.9;
}
.menu {
  box-sizing: border-box;
  position: absolute;
  top: 228px;
  width: 260px;
  margin: 0;
  text-align: center;
  line-height: 1.7em;
  font-size: 1.05em;
}
.menu > div:first-child {
  font-size: 1.2em;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #222;
  line-height: 1.3;
}
.menu > div:nth-child(2) {
  font-size: 0.82em;
  color: #888;
  margin-top: 0.35em;
  letter-spacing: 0.12em;
}
.menu > ul {
  padding-top: 1.8em;
  padding-left: 0;
  list-style: none;
}
.avatar {
  height: 150px;
  background-color: #fff;
  background-image: none !important;
  position: absolute;
  width: 100%;
  top: 0;
}
.av-pic {
  display: block;
  width: 104px;
  height: 104px;
  margin-top: 98px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 50%;
  background-color: #fff;
  background-size: 100%;
  box-shadow: 0 0 0 3px #fff;
}
.Btn {
  border-bottom: none;
}
.Btn > li {
  list-style: none;
  line-height: 1em;
  margin: 0.9rem 0;
  color: #555;
  transition: color 180ms ease;
}
@media screen and (min-width: 1024px) {
  a.Btn {
    border-bottom: none;
  }
  a.Btn > li {
    padding: 0.3em 0;
  }
  a.Btn > li:hover {
    color: #111;
  }
  a.Btn.active > li {
    color: #111;
    font-weight: 600;
  }
}
@media screen and (max-width: 1024px) {
  .SideBar {
    position: absolute;
    left: 0;
    right: 0;
    height: 10em;
    width: auto;
    overflow: visible;
  }
  .menu {
    position: relative;
    top: 166px;
    text-align: center;
    width: 100%;
  }
  .menu > div:first-child {
    padding-top: 1.1em;
  }
  .menu > ul {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50%;
    min-width: 280px;
    margin: 0 auto;
    padding: 0;
  }
  .Btn > li {
    margin: 0.6em 0;
    padding: 0;
    flex: 1;
    border-right: none;
    min-width: 70px;
  }
  .media {
    bottom: -2.5em;
    right: 1.2em;
    text-align: right;
  }
  .avatar {
    height: 100px;
  }
  .avatar > .av-pic {
    margin-top: 48px;
  }
}
.side-toc-toggle {
  display: none;
  position: fixed;
  left: 220px;
  top: 1rem;
  width: 34px;
  height: 34px;
  line-height: 34px;
  border: 1px solid transparent;
  background: transparent;
  color: #888;
  font-size: 16px;
  cursor: pointer;
  z-index: 10010;
  border-radius: 4px;
}
.side-toc-toggle:hover {
  background: #f2f2f2;
  color: #111;
}
.side-toc {
  display: none;
  flex-direction: column;
  position: relative;
  border-top: 1px solid #eee;
  margin-top: 1em;
}
.SideBar.toc-mode {
  overflow-y: scroll;
  scrollbar-width: none;
}
.SideBar.toc-mode::-webkit-scrollbar {
  display: none;
}
.SideBar.toc-mode .menu {
  position: relative;
  top: auto;
  margin-top: 151.5px;
}
.SideBar.toc-mode .side-toc-toggle {
  display: block;
}
.SideBar.toc-mode .side-toc {
  display: block;
}
.SideBar.toc-mode .media {
  position: relative;
  width: 100%;
  bottom: auto;
  margin-top: 2em;
}
.side-toc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2em 1.2em 0.8em;
  font-size: 0.95em;
  font-weight: 600;
  color: #222;
}
.side-toc-head > span {
  letter-spacing: 0.05em;
}
.side-toc-back {
  font-size: 0.8em;
  color: #888;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0 0.4em;
}
.side-toc-back:hover {
  color: #111;
}
.side-toc-list {
  overflow-y: auto;
  scrollbar-width: none;
  padding: 0.6em 1em 2em;
  max-height: calc(100vh - 500px);
}
.side-toc-list::-webkit-scrollbar {
  display: none;
}
.side-toc-list a {
  display: block;
  padding: 0.45em 0.6em;
  font-size: 13.5px;
  line-height: 1.5;
  color: #666;
  border: none;
  text-decoration: none;
  border-radius: 3px;
}
.side-toc-list a:hover {
  background: #f2f2f2;
  color: #111;
}
.side-toc-list a.toc-l2 {
  padding-left: 1.6em;
  font-size: 12.5px;
  color: #888;
}
.side-toc-empty {
  padding: 1.5em 0.6em;
  color: #aaa;
  font-size: 13px;
  text-align: center;
}
@media screen and (max-width: 1024px) {
  .side-toc-toggle {
    display: none !important;
  }
  .side-toc {
    display: none !important;
  }
}
.ListView {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  box-shadow: 0 3px 8px 6px rgba(7,17,27,0.05);
  padding: 2.2em 2.2em 1.4em;
  margin-bottom: 2.5rem;
  transition: box-shadow 0.2s ease;
}
.ListView:hover {
  box-shadow: 0 6px 16px 4px rgba(7,17,27,0.1);
}
.ListView .title {
  text-align: left;
}
.ListView .title h1 {
  font-size: 1.45rem;
  font-weight: 500;
  margin-bottom: 0.5em;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ListView .title a {
  border-bottom: none;
  color: #111;
}
.ListView .title a:hover {
  color: #0e0e0e;
  border-bottom: 1px #0e0e0e solid;
}
.ListView .list-excerpt {
  font-size: 0.95em;
  line-height: 1.7;
  color: #555;
  margin-bottom: 1.2em;
}
.ListView .list-excerpt p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 0 0.6em;
}
.ListView .list-footer {
  border-top: 1px dashed #ebebeb;
  padding-top: 0.9em;
}
.ListMeta {
  font-size: 0.82em;
  color: #999;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 0.3em;
  column-gap: 0.3em;
}
.ListMeta:hover {
  color: #555;
}
.ListMeta ul {
  display: inline;
  padding: 0;
}
.ListMeta .meta-item {
  display: inline-flex;
  align-items: center;
}
.ListMeta .meta-sep {
  color: #ddd;
  margin: 0 0.2em;
}
.ListMeta a {
  color: #999;
  border: none;
}
.ListMeta a:hover {
  color: #0e0e0e;
}
.meta-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 3px;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0.5;
}
.meta-icon-cal {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
}
.meta-icon-folder {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
}
.meta-icon-tag {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M20.59 13.41l-7.17 7.17a2 2 0 0 1-2.83 0L2 12V2h10l8.59 8.59a2 2 0 0 1 0 2.82z'/%3E%3Cline x1='7' y1='7' x2='7.01' y2='7'/%3E%3C/svg%3E");
}
.meta-icon-comment {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
}
li.meta-text {
  display: inline-block;
}
.more-link a {
  border-bottom-width: 2px;
}
.PageTitle {
  text-align: left;
  margin-bottom: 3em;
}
.PageSubtitle {
  font-size: 0.82em;
  color: #999;
  margin-bottom: 0.2em;
}
.PageSubtitle h1 {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 0.3em;
  margin-left: -10%;
}
@media screen and (max-width: 1024px) {
  .PageSubtitle h1 {
    font-size: 2rem;
    margin-left: auto;
    padding-top: 3rem;
  }
}
.PageSubtitle a {
  border: none;
  color: #111;
}
@media screen and (max-width: 1024px) {
  .ContentView .PostCard {
    padding: 1.5em 1.2em 0.8em;
  }
  .ContentView .PostCard .PageTitle h1 {
    font-size: 1.4rem;
  }
  .ContentView .PostCard .PageSubtitle {
    font-size: 0.78em;
  }
  .ContentView .PostCard .ArticleMeta {
    font-size: 0.76em;
  }
  .ListView {
    padding: 1.5em 1.2em 1em;
    margin-bottom: 1.5rem;
  }
  .ListView .title h1 {
    font-size: 1.25rem;
  }
  .ListView .list-excerpt {
    font-size: 0.9em;
  }
  .ListView .list-footer {
    padding-top: 0.7em;
  }
  .ListMeta {
    font-size: 0.78em;
  }
}
time {
  font-family: inherit;
}
.ContentView {
  padding-top: 3em;
}
.ContentView .PostCard {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  box-shadow: 0 3px 8px 6px rgba(7,17,27,0.05);
  padding: 2.2em 2.2em 1.2em;
  transition: box-shadow 0.2s ease;
}
.ContentView .PostCard:hover {
  box-shadow: 0 6px 16px 4px rgba(7,17,27,0.1);
}
.ContentView .ArticleMeta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 0.4em;
  column-gap: 0.3em;
  font-size: 0.82em;
  color: #999;
  margin: 1.8em 0 0.6em;
  padding-top: 1em;
  border-top: 1px dashed #ebebeb;
}
.ContentView .ArticleMeta .meta-item {
  display: inline-flex;
  align-items: center;
}
.ContentView .ArticleMeta .meta-sep {
  color: #ddd;
  margin: 0 0.2em;
}
.ContentView .ArticleMeta a {
  color: #999;
  border: none;
}
.ContentView .ArticleMeta a:hover {
  color: #0e0e0e;
}
#nav-wrapper {
  text-align: center;
}
#page-nav {
  position: relative;
  display: inline-block;
  padding: 0 1em;
}
.page-number {
  margin: 0.3em;
}
.extend {
  border-bottom-color: transparent;
  line-height: inherit;
  position: absolute;
  white-space: nowrap;
}
.extend.prev {
  right: 100%;
}
.extend.next {
  left: 100%;
}
.artalk-comments {
  margin: 3em auto 2em;
  max-width: 700px;
}
.artalk-comments .atk-copyright,
.artalk-comments .atk-list-footer {
  display: none !important;
}
@media screen and (max-width: 1024px) {
  .artalk-comments {
    max-width: 100%;
    padding: 0 0.5em;
    margin: 2em auto 1.5em;
  }
}
.TimeSection {
  overflow: hidden;
}
.TimeSection h1 {
  cursor: pointer;
}
.TimeSection ul {
  margin: 0;
  padding: 0;
  overflow: hidden;
}
:root {
  --reading-scale: 1;
  --bg: #fff;
  --fg: #333;
  --muted: #888;
  --panel-bg: #fff;
  --panel-border: #e5e5e5;
  --toolbar-bg: #fff;
  --toolbar-fg: #333;
  --toc-hover: #f2f2f2;
}
body.dark-mode {
  --bg: #1a1a1a;
  --fg: #d0d0d0;
  --muted: #999;
  --panel-bg: #222;
  --panel-border: #333;
  --toolbar-bg: #222;
  --toolbar-fg: #d0d0d0;
  --toc-hover: #2c2c2c;
  background: var(--bg);
  color: var(--fg);
}
body.dark-mode a {
  color: #6ba3ff;
}
body.dark-mode .SideBar {
  background-color: #1f1f1f;
  border-right-color: #2a2a2a;
}
body.dark-mode .SideBar .avatar {
  background-color: #1f1f1f;
}
body.dark-mode .SideBar .av-pic {
  background-color: #2a2a2a;
  box-shadow: 0 0 0 3px #2a2a2a;
}
body.dark-mode .container {
  color: var(--fg);
}
body.dark-mode .menu > div:first-child {
  color: #e8e8e8;
}
body.dark-mode .menu > div:nth-child(2) {
  color: #999;
}
body.dark-mode .Btn > li {
  color: #bbb;
}
body.dark-mode .Btn > li:hover,
body.dark-mode a.Btn.active > li {
  color: #fff;
}
body.dark-mode .PageTitle h1,
body.dark-mode .PageTitle h1 a,
body.dark-mode .ListView .title a {
  color: #fff;
}
body.dark-mode .PageSubtitle {
  color: #aaa;
}
body.dark-mode .ContentView .PostCard,
body.dark-mode .ListView {
  background: #242424;
  border-color: #343434;
  box-shadow: 0 3px 8px 6px rgba(0,0,0,0.2);
}
body.dark-mode .list-excerpt {
  color: #c5c5c5;
}
body.dark-mode .ArticleMeta,
body.dark-mode .ListMeta {
  color: #999;
}
body.dark-mode .container::before {
  background-color: #333;
}
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 20000;
  pointer-events: none;
  background: transparent;
}
.reading-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--fg);
  transition: width 80ms linear;
}
.reading-toolbar {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 15000;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 200ms ease, transform 200ms ease;
}
body.reading-available .reading-toolbar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.rt-btn {
  width: 46px;
  height: 46px;
  border: 1px solid var(--panel-border);
  background: var(--toolbar-bg);
  color: var(--toolbar-fg);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(0,0,0,0.1);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rt-btn svg {
  display: block;
}
.rt-btn:hover {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.toc-panel {
  position: fixed;
  top: 72px;
  right: 24px;
  width: 230px;
  max-width: 80vw;
  max-height: 64vh;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.14);
  z-index: 16000;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.toc-panel.toc-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.toc-head {
  flex-shrink: 0;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  border-bottom: 1px solid var(--panel-border);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.toc-list {
  overflow-y: auto;
  scrollbar-width: none;
  padding: 8px 0;
}
.toc-list::-webkit-scrollbar {
  display: none;
}
.toc-list a {
  display: block;
  padding: 7px 16px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  border: none;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease;
}
.toc-list a:hover {
  background: var(--toc-hover);
  color: var(--fg);
}
.toc-list a.toc-l2 {
  padding-left: 28px;
  font-size: 12.5px;
}
@media screen and (min-width: 1025px) {
  body.toc-expanded .SideBar {
    width: 68px;
    overflow: hidden;
  }
  body.toc-expanded .SideBar .avatar {
    display: none;
  }
  body.toc-expanded .SideBar .menu {
    display: none;
  }
  body.toc-expanded .SideBar .media {
    display: none;
  }
  body.toc-expanded .container {
    left: 68px;
  }
}
body.reading-mode .SideBar {
  display: none;
}
body.reading-mode footer {
  display: none !important;
}
body.reading-mode .container {
  position: relative !important;
  left: auto !important;
  right: auto !important;
  margin: 0 auto !important;
  width: 100% !important;
  max-width: 62rem !important;
  padding: 2.6em 1.4em 3em !important;
}
body.reading-mode .container::before {
  display: none;
}
body.reading-mode .ContentView {
  padding-top: 1.5em;
}
body.reading-mode .ContentView .PageTitle {
  margin-bottom: 2.2em;
}
body.reading-mode .ContentView .PageTitle h1 {
  font-size: 2rem;
  margin-left: 0;
}
body.reading-mode .ContentView p {
  font-size: calc(0.95em * var(--reading-scale, 1));
  line-height: 1.95;
  margin: 1.1em 0;
}
body.reading-mode .ContentView h2,
body.reading-mode .ContentView h3,
body.reading-mode .ContentView h4 {
  line-height: 1.5;
  margin: 1.6em 0 0.6em;
}
body.reading-mode .ContentView img {
  display: block;
  margin: 1.4em auto;
}
body.reading-mode .ContentView blockquote {
  margin: 1.4em 0;
}
body.reading-mode .ContentView .ArticleMeta {
  max-width: none;
}
@media screen and (max-width: 640px) {
  .reading-toolbar {
    right: 12px;
    bottom: 14px;
    top: auto;
    flex-direction: column;
    gap: 7px;
  }
  .rt-btn {
    width: 42px;
    height: 42px;
  }
  .toc-panel {
    top: 68px;
    right: 12px;
    width: 210px;
    max-width: 74vw;
    max-height: 62vh;
  }
  body.reading-mode .container {
    padding: 1.8em 1.1em 2.4em;
  }
}
.search-panel {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 17000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  background: rgba(0,0,0,0.35);
}
.search-panel.search-open {
  display: flex;
}
.search-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--panel-border);
}
.search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 16px;
  color: var(--fg);
  padding: 6px 2px;
}
.search-input::placeholder {
  color: var(--muted);
}
.search-close {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 16px;
  cursor: pointer;
}
.search-close:hover {
  color: var(--fg);
}
.search-results {
  max-height: 60vh;
  overflow-y: auto;
  padding: 8px 0;
  scrollbar-width: none;
}
.search-results::-webkit-scrollbar {
  display: none;
}
.search-hint {
  padding: 24px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
.search-item {
  display: block;
  padding: 10px 16px;
  text-decoration: none;
  border: none;
  transition: background 150ms ease;
}
.search-item:hover {
  background: var(--toc-hover);
}
.search-item + .search-item {
  border-top: 1px solid var(--panel-border);
}
.search-item-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.4;
}
.search-item-snippet {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-panel-inner {
  width: 560px;
  max-width: 92vw;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.24);
  overflow: hidden;
  animation: search-pop 180ms ease;
}
@media screen and (max-width: 640px) {
  .search-panel {
    padding-top: 8vh;
  }
  .search-panel-inner {
    width: 94vw;
  }
}
@-moz-keyframes search-pop {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-webkit-keyframes search-pop {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@-o-keyframes search-pop {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes search-pop {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hljs {
    display: block;
    background: white;
    padding: 0.5em;
    color: #333333;
    overflow-x: auto
}

.comment,
.meta {
    color: #969896
}

.string,
.variable,
.template-variable,
.strong,
.emphasis,
.quote {
    color: #df5000
}

.keyword,
.selector-tag,
.type {
    color: #a71d5d
}

.literal,
.symbol,
.bullet,
.attribute {
    color: #0086b3
}

.section,
.name {
    color: #63a35c
}

.tag {
    color: #333333
}

.title,
.attr,
.selector-id,
.selector-class,
.selector-attr,
.selector-pseudo {
    color: #795da3
}

.addition {
    color: #55a532;
    background-color: #eaffea
}

.deletion {
    color: #bd2c00;
    background-color: #ffecec
}

.link {
    text-decoration: underline
}