<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">@charset "utf-8";
/*
 * Solo - A small and beautiful blogging system written in Java.
 * Copyright (c) 2010-present, b3log.org
 *
 * Solo is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *         http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
/*
 * skin yilia style
 *
 * @author &lt;a href="http://vanessa.b3log.org"&gt;Liyuan Li&lt;/a&gt;
 * @author &lt;a href="http://88250.b3log.org"&gt;Liang Ding&lt;/a&gt;
 * @version 2.6.0.1, Feb 9, 2020
 */
/*
 * Solo - A small and beautiful blogging system written in Java.
 * Copyright (c) 2010-present, b3log.org
 *
 * Solo is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *         http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
/**
 * toc
 *
 * @author &lt;a href="http://vanessa.b3log.org"&gt;Liyuan Li&lt;/ta&gt;
 * @version 0.1.0.0, Mar 20, 2019
 */
.article__toc {
  overflow: auto;
}
.article__toc::-webkit-scrollbar {
  display: none;
}
.article__toc li {
  list-style-type: none;
}
.article__toc li a {
  padding-left: 10px;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article__toc li a:hover {
  text-decoration: none;
}
.article__toc li.toc__h3 a {
  padding-left: 20px;
}
.article__toc li.toc__h4 a {
  padding-left: 30px;
}
.article__toc li.toc__h5 a {
  padding-left: 40px;
}
.article__toc li.toc__h6 a {
  padding-left: 50px;
}
/*
 * Solo - A small and beautiful blogging system written in Java.
 * Copyright (c) 2010-present, b3log.org
 *
 * Solo is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *         http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
/**
 * uesr site
 *
 * @author &lt;a href="http://vanessa.b3log.org"&gt;Liyuan Li&lt;/ta&gt;
 * @version 0.1.0.0, Mar 20, 2019
 */
.user__site:hover {
  text-decoration: none;
}
/*
 * Solo - A small and beautiful blogging system written in Java.
 * Copyright (c) 2010-present, b3log.org
 *
 * Solo is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *         http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
/**
 * Function and font text style
 *
 * @author &lt;a href="http://vanessa.b3log.org"&gt;Liyuan Li&lt;/ta&gt;
 * @version 0.3.0.0, Jul 17, 2019
 */
.fn__flex {
  display: flex;
}
.fn__flex-center {
  -ms-grid-row-align: center;
      align-self: center;
}
.fn__flex-inline {
  display: inline-flex;
  align-items: center;
}
.fn__flex-1 {
  flex: 1;
  min-width: 1px;
}
.fn__flex-column {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}
.fn__pointer {
  cursor: pointer;
}
.fn__clear:before,
.fn__clear:after {
  display: table;
  content: "";
}
.fn__clear:after {
  clear: both;
}
.fn__left {
  float: left;
}
.fn__right {
  float: right;
}
.fn__none {
  display: none;
}
.fn__hidden {
  visibility: hidden;
}
.fn__ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
}
.ft__13 {
  font-size: 13px;
}
.ft__smaller {
  font-size: 12px;
}
.ft__center {
  text-align: center;
}
.ft__nowrap {
  white-space: nowrap;
}
.vditor {
  --border-color: #d1d5da;
  --second-color: rgba(88, 96, 105, 0.36);
  --panel-background-color: #fff;
  --panel-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  --toolbar-background-color: #f6f8fa;
  --toolbar-icon-color: #586069;
  --toolbar-icon-hover-color: #4285f4;
  --toolbar-height: 35px;
  --toolbar-divider-margin-top: 8px;
  --textarea-background-color: #fafbfc;
  --textarea-text-color: #24292e;
  --resize-icon-color: var(--toolbar-icon-color);
  --resize-background-color: var(--toolbar-background-color);
  --resize-hover-icon-color: var(--panel-background-color);
  --resize-hover-background-color: var(--toolbar-icon-hover-color);
  --count-background-color: rgba(27, 31, 35, 0.05);
  --heading-border-color: #eaecef;
  --blockquote-color: #6a737d;
  --ir-heading-color: #660e7a;
  --ir-title-color: #808080;
  --ir-bi-color: #0033b3;
  --ir-link-color: #008000;
  --ir-bracket-color: #0000ff;
  --ir-paren-color: #008000;
}
.vditor--dark {
  --border-color: #141414;
  --second-color: rgba(185, 185, 185, 0.36);
  --panel-background-color: #24292e;
  --panel-shadow: 0 1px 2px rgba(255, 255, 255, 0.2);
  --toolbar-background-color: #1d2125;
  --toolbar-icon-color: #b9b9b9;
  --toolbar-icon-hover-color: #fff;
  --textarea-background-color: #2f363d;
  --textarea-text-color: #d1d5da;
  --resize-icon-color: var(--border-color);
  --resize-background-color: var(--second-color);
  --resize-hover-icon-color: var(--toolbar-icon-hover-color);
  --resize-hover-background-color: rgba(185, 185, 185, 0.86);
  --count-background-color: rgba(66, 133, 244, 0.36);
  --heading-border-color: var(--textarea-text-color);
  --blockquote-color: var(--toolbar-icon-color);
  --ir-heading-color: #9876aa;
  --ir-title-color: #808080;
  --ir-bi-color: #cc7832;
  --ir-link-color: #ffc66d;
  --ir-bracket-color: #287bde;
  --ir-paren-color: #6a8759;
}
/**
 * tool tip.
 *
 * @author &lt;a href="http://vanessa.b3log.org"&gt;Liyuan Li&lt;/a&gt;
 * @version 0.1.0.0, Jan 25, 2019
 */
@-webkit-keyframes tooltip-appear {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes tooltip-appear {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.vditor-tooltipped {
  position: relative;
  cursor: pointer;
}
.vditor-tooltipped::after {
  position: absolute;
  z-index: 1000000;
  display: none;
  padding: 5px 8px;
  font-size: 11px;
  font-weight: normal;
  -webkit-font-smoothing: subpixel-antialiased;
  color: #fff;
  text-align: center;
  text-decoration: none;
  text-shadow: none;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: break-word;
  white-space: pre;
  pointer-events: none;
  content: attr(aria-label);
  background: #3b3e43;
  border-radius: 3px;
  line-height: 16px;
  opacity: 0;
}
.vditor-tooltipped::before {
  position: absolute;
  z-index: 1000001;
  display: none;
  width: 0;
  height: 0;
  color: #3b3e43;
  pointer-events: none;
  content: "";
  border: 5px solid transparent;
  opacity: 0;
}
.vditor-tooltipped--hover::before,
.vditor-tooltipped--hover::after,
.vditor-tooltipped:hover::before,
.vditor-tooltipped:hover::after,
.vditor-tooltipped:active::before,
.vditor-tooltipped:active::after,
.vditor-tooltipped:focus::before,
.vditor-tooltipped:focus::after {
  display: inline-block;
  text-decoration: none;
  -webkit-animation-name: tooltip-appear;
          animation-name: tooltip-appear;
  -webkit-animation-duration: 0.15s;
          animation-duration: 0.15s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
  -webkit-animation-timing-function: ease-in;
          animation-timing-function: ease-in;
}
.vditor-tooltipped__s::after,
.vditor-tooltipped__se::after,
.vditor-tooltipped__sw::after {
  top: 100%;
  right: 50%;
  margin-top: 5px;
}
.vditor-tooltipped__s::before,
.vditor-tooltipped__se::before,
.vditor-tooltipped__sw::before {
  top: auto;
  right: 50%;
  bottom: -5px;
  margin-right: -5px;
  border-bottom-color: #3b3e43;
}
.vditor-tooltipped__se::after {
  right: auto;
  left: 50%;
  margin-left: -15px;
}
.vditor-tooltipped__sw::after {
  margin-right: -15px;
}
.vditor-tooltipped__n::after,
.vditor-tooltipped__ne::after,
.vditor-tooltipped__nw::after {
  right: 50%;
  bottom: 100%;
  margin-bottom: 5px;
}
.vditor-tooltipped__n::before,
.vditor-tooltipped__ne::before,
.vditor-tooltipped__nw::before {
  top: -5px;
  right: 50%;
  bottom: auto;
  margin-right: -5px;
  border-top-color: #3b3e43;
}
.vditor-tooltipped__ne::after {
  right: auto;
  left: 50%;
  margin-left: -15px;
}
.vditor-tooltipped__nw::after {
  margin-right: -15px;
}
.vditor-tooltipped__s::after,
.vditor-tooltipped__n::after {
  transform: translateX(50%);
}
.vditor-tooltipped__w::after {
  right: 100%;
  bottom: 50%;
  margin-right: 5px;
  transform: translateY(50%);
}
.vditor-tooltipped__w::before {
  top: 50%;
  bottom: 50%;
  left: -5px;
  margin-top: -5px;
  border-left-color: #3b3e43;
}
.vditor-tooltipped__e::after {
  bottom: 50%;
  left: 100%;
  margin-left: 5px;
  transform: translateY(50%);
}
.vditor-tooltipped__e::before {
  top: 50%;
  right: -5px;
  bottom: 50%;
  margin-top: -5px;
  border-right-color: #3b3e43;
}
@media screen and (max-width: 520px) {
  .vditor-tooltipped:before,
  .vditor-tooltipped:after {
    content: none;
  }
}
/**
 * panel.
 *
 * @author &lt;a href="http://vanessa.b3log.org"&gt;Liyuan Li&lt;/a&gt;
 * @version 1.0.0.0, Jan 22, 2020
 */
@-webkit-keyframes scale-in {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes scale-in {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
.vditor-panel {
  background-color: var(--panel-background-color);
  position: absolute;
  box-shadow: var(--panel-shadow);
  border-radius: 3px;
  padding: 5px;
  z-index: 3;
  font-size: 14px;
  display: none;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  max-width: 320px;
  min-width: 80px;
  -webkit-animation-duration: 0.15s;
          animation-duration: 0.15s;
  -webkit-animation-name: scale-in;
          animation-name: scale-in;
  -webkit-animation-timing-function: cubic-bezier(0.2, 0, 0.13, 1.5);
          animation-timing-function: cubic-bezier(0.2, 0, 0.13, 1.5);
  color: var(--toolbar-icon-color);
}
.vditor-panel--none {
  padding: 0;
  -webkit-animation: none;
          animation: none;
  min-width: auto;
  max-width: none;
  white-space: nowrap;
  opacity: 0.86;
}
.vditor-panel--arrow:before {
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
  content: " ";
  border: 7px solid transparent;
  top: -14px;
  left: 5px;
  border-bottom-color: var(--panel-background-color);
}
.vditor-panel--left {
  right: 0;
}
.vditor-panel--left.vditor-panel--arrow:before {
  right: 5px;
  left: auto;
}
.vditor-input {
  border: 0;
  padding: 3px 5px;
  background-color: var(--panel-background-color);
  font-size: 12px;
  color: var(--textarea-text-color);
}
.vditor-input:focus {
  background-color: var(--toolbar-background-color);
  outline: none;
}
.vditor-icon {
  color: var(--toolbar-icon-color);
  cursor: pointer;
  float: left;
  padding: 4px 5px;
  height: 21px;
  width: 23px;
  background-color: transparent;
  border: 0;
  box-sizing: border-box;
}
.vditor-icon:hover,
.vditor-icon--current {
  color: var(--toolbar-icon-hover-color);
  background-color: transparent;
}
.vditor-icon:focus {
  outline: none;
}
.vditor-icon svg {
  height: 13px !important;
  width: 13px !important;
  float: left;
  fill: currentColor;
  pointer-events: none;
}
.vditor-toolbar {
  background-color: var(--toolbar-background-color);
  border-bottom: 1px solid var(--border-color);
  padding: 0 5px;
  line-height: 1;
}
.vditor-toolbar--pin {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 1;
}
.vditor-toolbar--hide {
  transition: all 0.15s ease-in-out;
  height: 5px;
  overflow: hidden;
}
.vditor-toolbar--hide:hover {
  background-color: var(--toolbar-background-color);
  height: auto;
  overflow: visible;
}
.vditor-toolbar__item {
  float: left;
  position: relative;
}
.vditor-toolbar__item .vditor-tooltipped {
  color: var(--toolbar-icon-color);
  border: 0;
  padding: 10px 5px;
  background-color: transparent;
  height: var(--toolbar-height);
  width: 25px;
  box-sizing: border-box;
  font-size: 0;
}
.vditor-toolbar__item .vditor-tooltipped:focus {
  outline: none;
}
.vditor-toolbar__item .vditor-tooltipped:focus {
  cursor: pointer;
  color: var(--toolbar-icon-hover-color);
}
.vditor-toolbar__item svg {
  fill: currentColor;
  display: inline-block;
  stroke-width: 0;
  stroke: currentColor;
  width: 15px;
  height: 15px;
}
.vditor-toolbar__item input {
  position: absolute;
  width: 25px;
  height: var(--toolbar-height);
  top: 0;
  left: 0;
  cursor: pointer;
  opacity: 0.001;
  overflow: hidden;
}
.vditor-toolbar__divider {
  float: left;
  height: calc(var(--toolbar-height) - (var(--toolbar-divider-margin-top) * 2));
  border-left: 1px solid var(--second-color);
  margin: var(--toolbar-divider-margin-top) 8px;
}
.vditor-toolbar__br {
  width: 100%;
  padding: 0 !important;
  height: 0 !important;
}
.vditor-menu--current {
  color: var(--toolbar-icon-hover-color) !important;
}
.vditor-menu--disabled {
  color: var(--second-color) !important;
  cursor: not-allowed !important;
}
.vditor-emojis {
  display: inline-block;
  overflow: auto;
}
.vditor-emojis::-webkit-scrollbar {
  display: none;
}
.vditor-emojis__tip {
  flex: 1;
  min-width: 1px;
  width: 200px;
  margin-right: 10px;
  color: var(--toolbar-icon-color);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.vditor-emojis__tail {
  margin-top: 5px;
  font-size: 12px;
  color: var(--toolbar-icon-color);
  display: flex;
}
.vditor-emojis__tail a {
  text-decoration: none;
  color: var(--toolbar-icon-color);
}
.vditor-emojis__tail a:hover {
  color: var(--toolbar-icon-hover-color);
}
.vditor-emojis button {
  cursor: pointer;
  border-radius: 3px;
  float: left;
  height: 30px;
  width: 30px;
  text-align: center;
  line-height: 26px;
  padding: 3px;
  box-sizing: border-box;
  font-size: 16px;
  transition: all 0.15s ease-in-out;
  border: 0;
  margin: 0;
  background-color: transparent;
  overflow: hidden;
}
.vditor-emojis button:focus {
  outline: none;
}
.vditor-emojis button:hover .vditor-emojis__icon {
  display: inline-block;
  transform: scale(1.2);
}
.vditor-emojis img {
  height: 20px;
  width: 20px;
  float: left;
  margin: 3px 0 0 3px;
}
@media screen and (max-width: 520px) {
  .vditor-toolbar__item {
    padding: 0 12px;
  }
  .vditor-panel--left.vditor-panel--arrow:before {
    right: 17px;
  }
}
@media (hover: hover) and (pointer: fine) {
  .vditor-toolbar__item .vditor-tooltipped:hover {
    color: var(--toolbar-icon-hover-color);
  }
}
@-webkit-keyframes slideInDown {
  from {
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}
@keyframes slideInDown {
  from {
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }
  to {
    transform: translate3d(0, 0, 0);
  }
}
.vditor {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  box-sizing: border-box;
  font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", "Android Emoji", "EmojiSymbols";
}
.vditor .vditor-copy {
  z-index: auto;
}
.vditor--fullscreen {
  position: fixed;
  top: 0;
  width: 100% !important;
  left: 0;
  height: 100vh !important;
  z-index: 90;
  border-radius: 0;
}
.vditor-content {
  display: flex;
  min-height: 60px;
  flex: 1;
  min-width: 1px;
  position: relative;
}
.vditor-preview {
  flex: 1;
  min-width: 1px;
  overflow: auto;
  margin-left: -1px;
  border-left: 1px solid var(--border-color);
  box-sizing: border-box;
  border-radius: 0 0 3px 0;
  background-color: var(--textarea-background-color);
}
.vditor-preview::-webkit-scrollbar {
  display: none;
}
.vditor-preview__action {
  text-align: center;
  padding: 10px;
  background-color: var(--toolbar-background-color);
}
.vditor-preview__action button {
  background-color: var(--toolbar-background-color);
  color: var(--toolbar-icon-color);
  line-height: 20px;
  border: 0;
  margin: 0 10px;
  cursor: pointer;
  padding: 0 7px;
  font-size: 12px;
}
.vditor-preview__action button.vditor-preview__action--current,
.vditor-preview__action button:hover {
  color: var(--toolbar-icon-hover-color);
  background-color: var(--toolbar-background-color);
}
.vditor-preview__action button:focus {
  outline: none;
}
.vditor-preview__action button svg {
  fill: currentColor;
  height: 15px;
  width: 15px;
  vertical-align: middle;
}
.vditor-preview &gt; .vditor-reset {
  padding: 10px;
  margin: 0 auto;
}
.vditor-preview img:not(.emoji) {
  cursor: pointer;
}
.vditor-devtools {
  display: none;
  background-color: var(--textarea-background-color);
  overflow: auto;
  flex: 1;
  min-width: 1px;
  box-shadow: inset 1px 0 var(--border-color);
  box-sizing: border-box;
  border-radius: 0 0 3px 0;
  padding: 10px;
}
.vditor-counter {
  padding: 3px;
  color: var(--toolbar-icon-color);
  background-color: var(--count-background-color);
  border-radius: 3px;
  font-size: 12px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  float: right;
  margin: 8px 3px 0 0;
}
.vditor-counter--error {
  color: #d23f31;
  background-color: rgba(210, 63, 49, 0.1);
}
.vditor-resize {
  padding: 3px 0;
  cursor: row-resize;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  position: absolute;
  width: 100%;
}
.vditor-resize--top {
  top: -3px;
}
.vditor-resize--bottom {
  bottom: -3px;
}
.vditor-resize &gt; div {
  height: 3px;
  background-color: var(--resize-background-color);
  transition: all 0.15s ease-in-out;
}
.vditor-resize:hover &gt; div,
.vditor-resize--selected &gt; div {
  background-color: var(--resize-hover-background-color);
}
.vditor-resize:hover svg,
.vditor-resize--selected svg {
  color: var(--resize-hover-icon-color);
}
.vditor-resize svg {
  fill: currentColor;
  stroke-width: 0;
  stroke: currentColor;
  width: 13px;
  height: 3px;
  display: block;
  margin: 0 auto;
  color: var(--resize-icon-color);
}
.vditor-upload {
  position: absolute;
  height: 3px;
  left: 0;
  top: -2px;
  transition: all 0.15s ease-in-out;
  background-color: #4285f4;
}
.vditor-tip {
  position: absolute;
  font-size: 12px;
  top: 10px;
  -webkit-animation-duration: 0.15s;
          animation-duration: 0.15s;
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
  left: 50%;
  z-index: 5;
}
.vditor-tip--show {
  display: block;
  -webkit-animation-name: slideInDown;
          animation-name: slideInDown;
}
.vditor-tip__content {
  text-align: left;
  display: inline-block;
  line-height: 16px;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--toolbar-background-color);
  position: relative;
  margin-left: -50%;
  color: var(--toolbar-icon-color);
  max-width: 100%;
  box-shadow: var(--panel-shadow);
}
.vditor-tip__content ul {
  margin: 2px 0;
  padding: 0 0 0 18px;
}
.vditor-tip__content a {
  color: #4285f4;
}
.vditor-tip__close {
  position: absolute;
  color: var(--toolbar-icon-color);
  top: -7px;
  right: -15px;
  font-weight: bold;
  cursor: pointer;
}
.vditor-tip__close:hover {
  color: var(--toolbar-icon-hover-color);
}
.vditor-img {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 3;
}
.vditor-img__bar {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--toolbar-background-color);
  text-align: center;
  height: 36px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vditor-img__btn {
  display: flex;
  align-items: center;
  cursor: pointer;
  margin-left: 24px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  color: var(--toolbar-icon-color);
}
.vditor-img__btn:hover {
  color: var(--toolbar-icon-hover-color);
}
.vditor-img__btn svg {
  height: 14px;
  width: 14px;
  margin-right: 8px;
  fill: currentColor;
}
.vditor-img__img {
  flex: 1;
  background-color: var(--textarea-background-color);
  overflow: auto;
  cursor: zoom-out;
}
.vditor-img__img img {
  max-width: none;
}
.vditor-hint {
  background-color: var(--panel-background-color);
  position: absolute;
  box-shadow: var(--panel-shadow);
  border-radius: 3px;
  padding: 5px 0;
  z-index: 4;
  line-height: 20px;
  list-style: none;
  font-size: 12px;
  margin: 0;
  max-width: 250px;
  min-width: 80px;
  display: none;
}
.vditor-hint .vditor-hint {
  margin-top: -31px;
  left: 100%;
  right: auto;
}
.vditor-hint .vditor-hint.vditor-panel--left {
  right: 100%;
  left: auto;
}
.vditor-hint button {
  color: var(--toolbar-icon-color);
  display: block;
  padding: 3px 10px;
  border: 0;
  border-radius: 0;
  line-height: 20px;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  margin: 0;
  background-color: transparent;
  cursor: pointer;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.vditor-hint button:focus {
  outline: none;
}
.vditor-hint--current,
.vditor-hint button:not(.vditor-menu--disabled):hover {
  background-color: var(--toolbar-background-color) !important;
  color: var(--toolbar-icon-hover-color) !important;
}
.vditor-hint__emoji {
  font-size: 16px;
  float: left;
  margin-right: 3px;
}
.vditor-hint img {
  height: 20px;
  width: 20px;
  float: left;
  margin-right: 3px;
}
.vditor-reset {
  color: #24292e;
  font-variant-ligatures: no-common-ligatures;
  font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", "Android Emoji", "EmojiSymbols";
  word-wrap: break-word;
  overflow: auto;
  line-height: 1.5;
  font-size: 16px;
  word-break: break-word;
}
.vditor-reset--anchor {
  padding-left: 20px;
}
.vditor-reset--error {
  color: #d23f31;
  font-size: 12px;
  display: block;
  line-height: 16px;
}
.vditor-reset ul ul ul {
  list-style-type: square;
}
.vditor-reset ul ul {
  list-style-type: circle;
}
.vditor-reset ul {
  list-style-type: disc;
}
.vditor-reset ul,
.vditor-reset ol {
  padding-left: 2em;
  margin-top: 0;
  margin-bottom: 16px;
}
.vditor-reset li + li {
  margin-top: 0.25em;
}
.vditor-reset audio {
  max-width: 100%;
}
.vditor-reset audio:focus {
  outline: none;
}
.vditor-reset video {
  max-height: 90vh;
  max-width: 100%;
}
.vditor-reset img {
  max-width: 100%;
}
.vditor-reset img.emoji {
  cursor: auto;
  max-width: 20px;
  vertical-align: sub;
}
.vditor-reset h1,
.vditor-reset h2,
.vditor-reset h3,
.vditor-reset h4,
.vditor-reset h5,
.vditor-reset h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
}
.vditor-reset h1:hover .vditor-anchor svg,
.vditor-reset h2:hover .vditor-anchor svg,
.vditor-reset h3:hover .vditor-anchor svg,
.vditor-reset h4:hover .vditor-anchor svg,
.vditor-reset h5:hover .vditor-anchor svg,
.vditor-reset h6:hover .vditor-anchor svg {
  visibility: visible;
}
.vditor-reset h1 {
  font-size: 1.75em;
}
.vditor-reset h2 {
  font-size: 1.55em;
}
.vditor-reset h3 {
  font-size: 1.38em;
}
.vditor-reset h4 {
  font-size: 1.25em;
}
.vditor-reset h5 {
  font-size: 1.13em;
}
.vditor-reset h6 {
  font-size: 1em;
}
.vditor-reset hr {
  height: 2px;
  padding: 0;
  margin: 24px 0;
  background-color: #eaecef;
  border: 0;
}
.vditor-reset p {
  margin-top: 0;
  margin-bottom: 16px;
}
.vditor-reset blockquote {
  padding: 0 1em;
  color: #6a737d;
  border-left: 0.25em solid #eaecef;
  margin: 0 0 16px 0;
}
.vditor-reset blockquote &gt; :first-child {
  margin-top: 0;
}
.vditor-reset blockquote &gt; :last-child {
  margin-bottom: 0;
}
.vditor-reset ins &gt; iframe {
  border: 0;
}
.vditor-reset iframe {
  border: 1px solid #d1d5da;
  max-width: 100%;
  box-sizing: border-box;
}
.vditor-reset iframe.iframe__video {
  min-width: 80%;
  min-height: 36vh;
}
.vditor-reset table {
  border-collapse: collapse;
  empty-cells: show;
  margin-bottom: 16px;
  overflow: auto;
  border-spacing: 0;
  display: block;
  word-break: keep-all;
  width: 100%;
}
.vditor-reset table tr {
  background-color: #fafbfc;
  border-top: 1px solid #c6cbd1;
}
.vditor-reset table td,
.vditor-reset table th {
  padding: 6px 13px;
  border: 1px solid #dfe2e5;
  word-break: normal;
  white-space: nowrap;
}
.vditor-reset table td:first-child::after,
.vditor-reset table th:first-child::after {
  content: "";
  display: inline-block;
  vertical-align: top;
  min-height: 24px;
}
.vditor-reset table th {
  font-weight: 600;
}
.vditor-reset table tbody tr:nth-child(2n) {
  background-color: #fff;
}
.vditor-reset code:not(.hljs):not(.highlight-chroma) {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  border-radius: 3px;
  font-family: mononoki, Consolas, "Liberation Mono", Menlo, Courier, monospace, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", "Android Emoji", "EmojiSymbols";
  word-break: break-word;
  background-size: 20px 20px;
  white-space: pre-wrap;
}
.vditor-reset pre {
  margin: 1em 0;
}
.vditor-reset pre &gt; code {
  margin: 0;
  font-size: 85%;
  padding: 0.5em;
  border-radius: 5px;
  display: block;
  overflow: auto;
  white-space: pre;
  font-family: mononoki, Consolas, "Liberation Mono", Menlo, Courier, monospace, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", "Android Emoji", "EmojiSymbols";
  background-size: 20px 20px;
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADwAAAA8AgMAAABHkjHhAAAACVBMVEWAgIBaWlo+Pj7rTFvWAAAAA3RSTlMHCAw+VhR4AAAA+klEQVQoz4WSMW7EQAhFPxKWNh2FCx+HkaZI6RRb5DYbyVfIJXLKDCFoMbaTKSw/8ZnPAPjaH2xgZcUNUDADD7D9LtDBCLZ45fbkvo/30K8yeI64pPwl6znd/3n/Oe93P3ho9qeh72btTFzqkz0rsJle8Zr81OLEwZ1dv/713uWqvu2pl+k0fy7MWtj9r/tN5q/02z89qa/L4Dc2LvM93kezPfXlME/O86EbY/V9GB9ePX8G1/6W+/9h1dq/HGfTfzT3j/xNo7522Bfnqe5jO/fvhVthlfk434v3iO9zG/UOphyPeinPl1J8Gtaa7xPTa/Dk+RIs4deMvwGvcGsmsCvJ0AAAAABJRU5ErkJggg==);
  word-break: initial;
  word-wrap: normal;
}
.vditor-reset pre:hover div.vditor-copy {
  display: block;
}
.vditor-reset .language-math,
.vditor-reset .language-echarts,
.vditor-reset .language-mindmap,
.vditor-reset .language-plantuml,
.vditor-reset .language-mermaid,
.vditor-reset .language-abc,
.vditor-reset .language-flowchart,
.vditor-reset .language-graphviz {
  margin-bottom: 16px;
}
.vditor-reset .language-math mjx-container:focus {
  outline: none;
  cursor: context-menu;
}
.vditor-reset .language-echarts,
.vditor-reset .language-mindmap {
  overflow: hidden;
  height: 420px;
}
.vditor-reset .language-mermaid,
.vditor-reset .language-flowchart,
.vditor-reset .language-graphviz {
  text-align: center;
}
.vditor-reset .language-graphviz parsererror {
  overflow: auto;
}
.vditor-reset kbd {
  display: inline-block;
  padding: 3px 5px;
  font: 11px Consolas, "Liberation Mono", Menlo, Courier, monospace;
  line-height: 10px;
  color: #24292e;
  vertical-align: middle;
  background-color: #fafbfc;
  border: solid 1px #d1d5da;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #d1d5da;
}
.vditor-reset summary {
  cursor: pointer;
}
.vditor-reset summary:focus {
  outline: none;
}
.vditor-reset svg {
  height: auto;
  width: auto;
  stroke-width: initial;
}
.vditor-reset p:last-child,
.vditor-reset blockquote:last-child,
.vditor-reset pre:last-child,
.vditor-reset ul:last-child,
.vditor-reset ol:last-child,
.vditor-reset hr:last-child {
  margin-bottom: 0;
}
.vditor-comment {
  border-bottom: 2px solid #f8e6ab;
}
.vditor-comment--focus,
.vditor-comment--hover {
  background-color: #faf1d1;
  border-bottom: 2px solid #ffc60a;
}
.vditor-comment--focus .vditor-comment,
.vditor-comment--hover .vditor-comment {
  border-bottom: 2px solid #ffc60a;
}
.vditor-task {
  list-style: none !important;
  word-break: break-all;
}
.vditor-task input {
  margin: 0 0.2em 0.25em -1.6em;
  font-size: 12px;
  vertical-align: middle;
}
.vditor-copy {
  position: relative;
  display: none;
  z-index: 1;
}
.vditor-copy textarea {
  position: absolute;
  left: -100000px;
  height: 10px;
}
.vditor-copy span {
  cursor: pointer;
  position: absolute;
  right: 15px;
  top: 0.5em;
}
.vditor-copy svg {
  color: #586069;
  height: 14px;
  width: 14px !important;
  display: block;
  fill: currentColor;
}
.vditor-linenumber {
  padding-left: 4em !important;
  position: relative;
}
.vditor-linenumber__rows {
  position: absolute;
  pointer-events: none;
  top: 0.5em;
  left: 0;
  width: 3em;
  /* works for line-numbers below 1000 lines */
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  counter-reset: linenumber;
}
.vditor-linenumber__rows &gt; span {
  pointer-events: none;
  display: block;
}
.vditor-linenumber__rows &gt; span::before {
  counter-increment: linenumber;
  content: counter(linenumber);
  color: rgba(158, 150, 150, 0.38);
  display: block;
  padding-right: 1em;
  text-align: right;
}
.vditor-speech {
  position: absolute;
  display: none;
  background-color: #f6f8fa;
  border: 1px solid #d1d5da;
  border-radius: 3px;
  padding: 3px;
  cursor: pointer;
  color: #586069;
}
.vditor-speech:hover,
.vditor-speech--current {
  color: #4285f4;
}
.vditor-speech svg {
  height: 14px;
  width: 14px;
  fill: currentColor;
  display: block;
  stroke-width: 0;
  stroke: currentColor;
}
.vditor-anchor {
  margin-left: 5px;
}
.vditor-anchor--left {
  float: left;
  padding-right: 4px;
  margin-left: -20px;
}
.vditor-anchor svg {
  visibility: hidden;
}
.vditor-anchor:hover svg {
  visibility: visible;
}
.vditor-anchor:focus {
  outline: none;
}
.vditor-linkcard {
  margin: 31px auto 16px;
  transition: all 0.15s ease-in-out;
  cursor: pointer;
  max-width: 768px;
  padding: 0 10px;
}
.vditor-linkcard a {
  border-radius: 3px;
  background-color: #f6f8fa;
  overflow: hidden;
  max-height: 250px;
  display: flex;
  text-decoration: none;
  flex-wrap: wrap-reverse;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.vditor-linkcard a:hover {
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.13), 0 3px 6px rgba(0, 0, 0, 0.26);
  text-decoration: none;
}
.vditor-linkcard a:visited .vditor-linkcard__abstract {
  color: rgba(88, 96, 105, 0.36);
}
.vditor-linkcard__info {
  padding: 10px;
  min-width: 200px;
  box-sizing: border-box;
  flex: 1;
}
.vditor-linkcard__title {
  font-size: 14px;
  font-weight: 400;
  color: #24292e;
  display: flex;
  align-items: center;
}
.vditor-linkcard__title img {
  cursor: pointer;
  height: 20px;
  width: 20px;
  border-radius: 3px;
  flex-shrink: 0;
  margin-right: 5px;
}
.vditor-linkcard__abstract {
  word-wrap: break-word;
  word-break: break-all;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  display: -webkit-box;
  font-size: 13px;
  color: #586069;
  margin: 5px 0;
}
.vditor-linkcard__site {
  font-size: 12px;
  color: #4285f4;
}
.vditor-linkcard__image {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  max-width: 250px;
  min-width: 126px;
  cursor: pointer;
  background-color: rgba(88, 96, 105, 0.36);
}
.vditor-footnotes__goto-ref {
  text-decoration: none;
}
.vditor-toc {
  margin-bottom: 16px;
  -webkit-user-select: text;
     -moz-user-select: text;
      -ms-user-select: text;
          user-select: text;
  color: #4285f4;
}
.vditor-toc .vditor-outline__action {
  display: none;
}
.vditor-toc ul {
  list-style: none !important;
  padding-left: 1em;
}
.vditor-toc &gt; ul {
  padding-left: 0;
}
.vditor-toc span {
  cursor: pointer;
}
.vditor-toc li &gt; span &gt; svg {
  width: 0;
  height: 0;
}
.vditor-outline {
  width: 250px;
  border-right: 1px solid var(--border-color);
  background-color: var(--panel-background-color);
  display: none;
  overflow: auto;
}
.vditor-outline--right {
  border-right: 0;
  border-left: 1px solid var(--border-color);
}
.vditor-outline::-webkit-scrollbar {
  display: none;
}
.vditor-outline ul {
  list-style: none !important;
  padding-left: 1em;
  margin: 0;
}
.vditor-outline__content &gt; ul {
  padding-left: 0;
}
.vditor-outline li &gt; span {
  display: flex;
  align-items: center;
  padding: 5px 10px;
  cursor: pointer;
  color: var(--textarea-text-color);
}
.vditor-outline li &gt; span &gt; svg {
  height: 10px;
  width: 10px;
}
.vditor-outline li &gt; span:hover {
  color: var(--toolbar-icon-hover-color);
}
.vditor-outline li &gt; span &gt; span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vditor-outline__title {
  border-bottom: 1px dashed var(--border-color);
  padding: 5px 10px;
  color: var(--toolbar-icon-color);
  font-size: 12px;
}
.vditor-outline__action {
  transition: all 0.15s ease-in-out;
  fill: currentColor;
  margin-right: 5px;
  flex-shrink: 0;
}
.vditor-outline__action--close {
  transform: rotate(-90deg);
}
.vditor-wysiwyg {
  box-sizing: border-box;
  flex: 1;
  position: relative;
  width: 100%;
  min-width: 1px;
}
.vditor-wysiwyg pre.vditor-reset {
  background-color: var(--panel-background-color);
  margin: 0;
  white-space: pre-wrap;
  height: 100%;
  box-sizing: border-box;
}
.vditor-wysiwyg pre.vditor-reset[contenteditable="false"] {
  opacity: 0.3;
  cursor: not-allowed;
}
.vditor-wysiwyg pre.vditor-reset:empty::before {
  content: attr(placeholder);
  color: var(--second-color);
}
.vditor-wysiwyg pre.vditor-reset:focus {
  outline: none;
  background-color: var(--textarea-background-color);
}
.vditor-wysiwyg pre.vditor-reset:after {
  content: "";
  height: var(--editor-bottom);
  display: block;
}
.vditor-wysiwyg blockquote:empty::before,
.vditor-wysiwyg pre &gt; code:empty::before,
.vditor-wysiwyg p:empty::before,
.vditor-wysiwyg h1:empty::after,
.vditor-wysiwyg h2:empty::after,
.vditor-wysiwyg h3:empty::after,
.vditor-wysiwyg h4:empty::after,
.vditor-wysiwyg h5:empty::after,
.vditor-wysiwyg h6:empty::after {
  content: ' ';
}
.vditor-wysiwyg code[data-marker="`"] {
  padding-left: 0 !important;
  padding-right: 0 !important;
}
.vditor-wysiwyg__block pre:first-child {
  margin-bottom: -1em;
}
.vditor-wysiwyg__block pre:first-child code {
  color: var(--textarea-text-color);
  height: auto;
  text-align: left;
}
.vditor-wysiwyg__block pre:last-child {
  margin-bottom: 1em;
}
.vditor-wysiwyg__preview {
  cursor: pointer;
  white-space: initial;
  min-height: 27px;
}
.vditor-wysiwyg &gt; .vditor-reset &gt; h1:before,
.vditor-wysiwyg &gt; .vditor-reset &gt; h2:before,
.vditor-wysiwyg &gt; .vditor-reset &gt; h3:before,
.vditor-wysiwyg &gt; .vditor-reset &gt; h4:before,
.vditor-wysiwyg &gt; .vditor-reset &gt; h5:before,
.vditor-wysiwyg &gt; .vditor-reset &gt; h6:before,
.vditor-wysiwyg div.vditor-wysiwyg__block:before,
.vditor-wysiwyg div[data-type="link-ref-defs-block"]:before,
.vditor-wysiwyg div[data-type="footnotes-block"]:before,
.vditor-wysiwyg .vditor-toc:before {
  float: left;
  padding-right: 4px;
  margin-left: -29px;
  content: 'H1';
  font-size: 0.85rem;
  font-weight: normal;
  color: var(--second-color);
}
.vditor-wysiwyg &gt; .vditor-reset &gt; h2:before {
  content: 'H2';
}
.vditor-wysiwyg &gt; .vditor-reset &gt; h3:before {
  content: 'H3';
}
.vditor-wysiwyg &gt; .vditor-reset &gt; h4:before {
  content: 'H4';
}
.vditor-wysiwyg &gt; .vditor-reset &gt; h5:before {
  content: 'H5';
}
.vditor-wysiwyg &gt; .vditor-reset &gt; h6:before {
  content: 'H6';
}
.vditor-wysiwyg div[data-type="link-ref-defs-block"]:before {
  content: '"A"';
}
.vditor-wysiwyg div[data-type="footnotes-block"]:before {
  content: '^F';
}
.vditor-wysiwyg div.vditor-wysiwyg__block:before {
  content: "&lt;/&gt;";
}
.vditor-wysiwyg div.vditor-wysiwyg__block[data-type="yaml-front-matter"]:before {
  content: "F";
}
.vditor-wysiwyg div.vditor-wysiwyg__block[data-type="math-block"]:before {
  content: "$$";
}
.vditor-wysiwyg .vditor-toc:before {
  content: "ToC";
}
.vditor-wysiwyg hr {
  display: inline-block;
  margin: 12px 0;
  width: 100%;
}
.vditor-wysiwyg details {
  white-space: initial;
}
.vditor-wysiwyg a {
  cursor: pointer;
}
.vditor-wysiwyg span[data-type="backslash"] &gt; span {
  display: none;
  color: var(--second-color);
}
.vditor-wysiwyg span[data-type="link-ref"],
.vditor-wysiwyg sup[data-type="footnotes-ref"] {
  color: #4285f4;
}
.vditor-wysiwyg span[data-type="toc-h"] {
  color: #4285f4;
  text-decoration: underline;
}
.vditor-wysiwyg div[data-type="footnotes-block"] {
  border-top: 2px solid var(--heading-border-color);
  padding-top: 24px;
  margin-top: 24px;
}
.vditor-wysiwyg div[data-type="link-ref-defs-block"] {
  color: var(--blockquote-color);
}
@media screen and (max-width: 520px) {
  .vditor-wysiwyg h1:before,
  .vditor-wysiwyg h2:before,
  .vditor-wysiwyg h3:before,
  .vditor-wysiwyg h4:before,
  .vditor-wysiwyg h5:before,
  .vditor-wysiwyg h6:before,
  .vditor-wysiwyg div.vditor-wysiwyg__block:before,
  .vditor-wysiwyg div[data-type="link-ref-defs-block"]:before,
  .vditor-wysiwyg div[data-type="footnotes-block"]:before,
  .vditor-wysiwyg .vditor-toc:before {
    content: none;
  }
}
.vditor-ir {
  box-sizing: border-box;
  flex: 1;
  min-width: 1px;
  position: relative;
  width: 100%;
}
.vditor-ir__node[data-type="code-block"]:before,
.vditor-ir__node[data-type="code-block"]:after,
.vditor-ir__node[data-type="yaml-front-matter"]:before,
.vditor-ir__node[data-type="yaml-front-matter"]:after,
.vditor-ir__node[data-type="math-block"]:before,
.vditor-ir__node[data-type="math-block"]:after {
  content: ' ';
  color: var(--second-color);
}
.vditor-ir__node:not(.vditor-ir__node--expand) .vditor-ir__marker {
  padding: 0 !important;
}
.vditor-ir__node:not(.vditor-ir__node--expand)[data-type="a"] {
  cursor: pointer;
}
.vditor-ir__node[data-type="link-ref"],
.vditor-ir__node[data-type="footnotes-ref"] {
  color: #4285f4;
}
.vditor-ir__node[data-type="html-block"] {
  margin-bottom: 1em;
}
.vditor-ir__node .vditor-ir__marker {
  width: 0;
  overflow: hidden;
  display: inline-block;
  height: 0;
  transition: all 0.15s ease-in-out;
}
.vditor-ir__node--hidden .vditor-ir__marker {
  visibility: hidden;
}
.vditor-ir__node--expand .vditor-ir__marker {
  color: var(--second-color);
  display: inline;
  height: auto;
  width: auto;
}
.vditor-ir__node--expand .vditor-ir__marker--hide {
  display: none;
}
.vditor-ir__node--expand .vditor-ir__marker--heading {
  color: var(--ir-heading-color);
}
.vditor-ir__node--expand .vditor-ir__marker--bi {
  color: var(--ir-bi-color);
}
.vditor-ir__node--expand .vditor-ir__marker--link {
  color: var(--ir-link-color);
}
.vditor-ir__node--expand .vditor-ir__marker--title {
  color: var(--ir-title-color);
}
.vditor-ir__node--expand .vditor-ir__marker--bracket {
  color: var(--ir-bracket-color);
  text-decoration: underline;
}
.vditor-ir__node--expand .vditor-ir__marker--paren {
  color: var(--ir-paren-color);
}
.vditor-ir__node--expand .vditor-ir__marker--info {
  color: var(--ir-heading-color);
}
.vditor-ir__node--expand .vditor-ir__marker--pre code {
  color: var(--textarea-text-color);
  height: auto;
  text-align: left;
}
.vditor-ir__node--expand[data-type="code-block"]:before,
.vditor-ir__node--expand[data-type="code-block"]:after {
  content: '```';
}
.vditor-ir__node--expand[data-type="yaml-front-matter"]:before,
.vditor-ir__node--expand[data-type="yaml-front-matter"]:after {
  content: '---';
}
.vditor-ir__node--expand[data-type="math-block"]:before,
.vditor-ir__node--expand[data-type="math-block"]:after {
  content: '$$';
}
.vditor-ir__node span[data-type="code-block-open-marker"],
.vditor-ir__node span[data-type="code-block-close-marker"],
.vditor-ir__node span[data-type="yaml-front-matter-open-marker"],
.vditor-ir__node span[data-type="yaml-front-matter-close-marker"],
.vditor-ir__node span[data-type="math-block-open-marker"],
.vditor-ir__node span[data-type="math-block-close-marker"] {
  display: none;
}
.vditor-ir__preview {
  cursor: pointer;
  white-space: initial;
  min-height: 27px;
}
.vditor-ir__link {
  color: var(--ir-bracket-color);
  text-decoration: underline;
}
.vditor-ir pre.vditor-reset {
  background-color: var(--panel-background-color);
  margin: 0;
  white-space: pre-wrap;
  height: 100%;
  box-sizing: border-box;
}
.vditor-ir pre.vditor-reset[contenteditable="false"] {
  opacity: 0.3;
  cursor: not-allowed;
}
.vditor-ir pre.vditor-reset:empty::before {
  content: attr(placeholder);
  color: var(--second-color);
}
.vditor-ir pre.vditor-reset:focus {
  outline: none;
  background-color: var(--textarea-background-color);
}
.vditor-ir pre.vditor-reset:after {
  content: "";
  height: var(--editor-bottom);
  display: block;
}
.vditor-ir pre.vditor-reset pre {
  margin: 0;
}
.vditor-ir hr {
  display: inline-block;
  margin: 12px 0;
  width: 100%;
}
.vditor-ir blockquote:empty::before,
.vditor-ir pre &gt; code:empty::before,
.vditor-ir p:empty::before,
.vditor-ir h1:empty::after,
.vditor-ir h2:empty::after,
.vditor-ir h3:empty::after,
.vditor-ir h4:empty::after,
.vditor-ir h5:empty::after,
.vditor-ir h6:empty::after {
  content: ' ';
}
.vditor-ir .vditor-reset &gt; h1:before,
.vditor-ir .vditor-reset &gt; h2:before,
.vditor-ir .vditor-reset &gt; h3:before,
.vditor-ir .vditor-reset &gt; h4:before,
.vditor-ir .vditor-reset &gt; h5:before,
.vditor-ir .vditor-reset &gt; h6:before,
.vditor-ir div[data-type="link-ref-defs-block"]:before,
.vditor-ir div[data-type="footnotes-block"]:before,
.vditor-ir .vditor-toc:before {
  float: left;
  padding-right: 4px;
  margin-left: -29px;
  content: 'H1';
  font-size: 0.85rem;
  font-weight: normal;
  color: var(--second-color);
}
.vditor-ir .vditor-reset &gt; h2:before {
  content: 'H2';
}
.vditor-ir .vditor-reset &gt; h3:before {
  content: 'H3';
}
.vditor-ir .vditor-reset &gt; h4:before {
  content: 'H4';
}
.vditor-ir .vditor-reset &gt; h5:before {
  content: 'H5';
}
.vditor-ir .vditor-reset &gt; h6:before {
  content: 'H6';
}
.vditor-ir div[data-type="link-ref-defs-block"] {
  color: var(--blockquote-color);
}
.vditor-ir div[data-type="link-ref-defs-block"]:before {
  content: '"A"';
}
.vditor-ir div[data-type="footnotes-block"] {
  border-top: 2px solid var(--heading-border-color);
  padding-top: 24px;
  margin-top: 24px;
}
.vditor-ir div[data-type="footnotes-block"]:before {
  content: '^F';
}
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; ul,
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; ol,
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; p,
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; blockquote,
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; pre,
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; table,
.vditor-ir div[data-type="footnotes-block"] &gt; div[data-type="footnotes-def"] &gt; hr {
  margin-left: 8px;
}
.vditor-ir .vditor-toc:before {
  content: "ToC";
}
.vditor-ir .vditor-toc span[data-type="toc-h"] {
  color: #4285f4;
  text-decoration: underline;
}
@media screen and (max-width: 520px) {
  .vditor-ir h1:before,
  .vditor-ir h2:before,
  .vditor-ir h3:before,
  .vditor-ir h4:before,
  .vditor-ir h5:before,
  .vditor-ir h6:before,
  .vditor-ir div[data-type="link-ref-defs-block"]:before,
  .vditor-ir div[data-type="footnotes-block"]:before,
  .vditor-ir .vditor-toc:before {
    content: none;
  }
}
.vditor-sv {
  font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", "Android Emoji", "EmojiSymbols";
  margin: 0 1px 0 0;
  overflow: auto;
  width: 100%;
  flex: 1;
  min-width: 1px;
  border: 0;
  resize: none;
  padding: 10px 9px 10px 10px;
  box-sizing: border-box;
  background-color: var(--panel-background-color);
  outline: 0 none;
  font-size: 16px;
  line-height: 22px;
  color: var(--textarea-text-color);
  border-radius: 0 0 3px 3px;
  font-variant-ligatures: no-common-ligatures;
  white-space: pre-wrap;
  word-break: break-word;
  word-wrap: break-word;
}
.vditor-sv[contenteditable="false"] {
  opacity: 0.3;
  cursor: not-allowed;
}
.vditor-sv:empty::before {
  content: attr(placeholder);
  color: var(--second-color);
}
.vditor-sv:focus {
  background-color: var(--textarea-background-color);
}
.vditor-sv:after {
  content: "";
  height: var(--editor-bottom);
  display: block;
}
.vditor-sv span[data-type="newline"] + span[data-type="text"]:empty {
  display: inherit;
}
.vditor-sv .sup {
  vertical-align: super;
  font-size: smaller;
}
.vditor-sv .strong {
  font-weight: bold;
}
.vditor-sv .em {
  font-style: italic;
}
.vditor-sv .s {
  text-decoration: line-through;
}
.vditor-sv .mark:not(.vditor-sv__marker) {
  background-color: yellow;
  color: black;
}
.vditor-sv .h1 {
  font-size: 1.75em;
  line-height: 44px;
}
.vditor-sv .h2 {
  font-size: 1.55em;
  line-height: 38px;
}
.vditor-sv .h3 {
  font-size: 1.38em;
  line-height: 27px;
}
.vditor-sv .h4 {
  font-size: 1.25em;
  line-height: 25px;
}
.vditor-sv .h5 {
  font-size: 1.13em;
}
.vditor-sv .h6 {
  font-size: 1em;
}
.vditor-sv__marker {
  color: var(--second-color);
}
.vditor-sv__marker--heading {
  color: var(--ir-heading-color);
}
.vditor-sv__marker--bi {
  color: var(--ir-bi-color);
}
.vditor-sv__marker--link {
  color: var(--ir-link-color);
}
.vditor-sv__marker--title {
  color: var(--ir-title-color);
}
.vditor-sv__marker--bracket {
  color: var(--ir-bracket-color);
}
.vditor-sv__marker--paren {
  color: var(--ir-paren-color);
}
.vditor-sv__marker--info {
  color: var(--ir-heading-color);
}
.vditor-sv__marker--strong {
  font-weight: bold;
}
.vditor-reset::-webkit-scrollbar {
  display: none;
}
.user__sites {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 27px;
  text-align: center;
}
.user__sites .user__site svg {
  height: 20px;
  width: 20px;
  fill: currentColor;
}
/* start reset */
html {
  height: 100%;
  max-height: 100%;
  font-size: 16px;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
body {
  height: 100%;
  max-height: 100%;
  font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
  letter-spacing: 0.01rem;
  font-size: 100%;
  line-height: 1.75em;
  color: rgba(0, 0, 0, 0.6);
  -webkit-font-feature-settings: 'kern' 1;
  -moz-font-feature-settings: 'kern' 1;
  -o-font-feature-settings: 'kern' 1;
  text-rendering: geometricPrecision;
  margin: 0;
  background-color: #eaeaea;
}
::-moz-selection {
  background: #D6EDFF;
}
::selection {
  background: #D6EDFF;
}
a {
  text-decoration: none;
  outline-width: 0;
  color: #258fb8;
  outline: none;
  transition: all 0.3s ease;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  -webkit-font-feature-settings: 'dlig' 1, 'liga' 1, 'lnum' 1, 'kern' 1;
  -moz-font-feature-settings: 'dlig' 1, 'liga' 1, 'lnum' 1, 'kern' 1;
  -o-font-feature-settings: 'dlig' 1, 'liga' 1, 'lnum' 1, 'kern' 1;
  color: #666;
  line-height: 1.15em;
  font-family: "Open Sans", "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
  text-rendering: geometricPrecision;
}
h1 {
  letter-spacing: -2px;
  text-indent: -3px;
}
h2 {
  letter-spacing: -1px;
}
img {
  max-width: 100%;
}
p,
ul,
ol,
dl {
  -webkit-font-feature-settings: 'liga' 1, 'onum' 1, 'kern' 1;
  -moz-font-feature-settings: 'liga' 1, 'onum' 1, 'kern' 1;
  -o-font-feature-settings: 'liga' 1, 'onum' 1, 'kern' 1;
  text-rendering: geometricPrecision;
}
ol,
ul {
  padding-left: 3rem;
}
ol ol,
ul ul,
ul ol,
ol ul {
  padding-left: 2em;
}
dl dt {
  float: left;
  width: 180px;
  overflow: hidden;
  clear: left;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
  margin-bottom: 1em;
}
dl dd {
  margin-left: 200px;
  margin-bottom: 1em;
}
li li {
  margin: 0;
}
hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: #EFEFEF 1px solid;
  margin: 3.2em 0;
  padding: 0;
}
blockquote {
  box-sizing: border-box;
  margin: 1.75em 0 1.75em 0;
  padding: 0 0 0 1.75em;
  border-left: 5px solid;
  transition: all 0.3s ease;
}
blockquote:hover {
  border-color: #b0a0aa;
}
blockquote p {
  margin: 0.8em 0;
  font-style: italic;
}
blockquote small {
  display: inline-block;
  margin: 0.8em 0 0.8em 1.5em;
  font-size: 0.9em;
  color: #CCC;
}
blockquote small:before {
  content: "\2014 \00A0";
}
blockquote cite {
  font-weight: 700;
}
blockquote cite a {
  font-weight: normal;
}
mark {
  background-color: #fdffb6;
}
code,
tt {
  padding: 1px 3px;
  font-family: Inconsolata, monospace, "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
  font-size: 0.85em;
  white-space: pre-wrap;
  border: #E3EDF3 1px solid;
  background: #F7FAFB;
  border-radius: 2px;
}
pre {
  font-size: 0.9em;
}
pre code,
pre tt {
  font-size: inherit;
  white-space: pre-wrap;
  background: transparent;
  border: none;
  padding: 0;
}
/* end reset */
/* start function */
.fn-clear:before,
.fn-clear:after {
  display: table;
  content: "";
}
.fn-clear:after {
  clear: both;
}
.fn-left {
  float: left;
}
.fn-right {
  float: right;
}
.fn-none {
  display: none;
}
/* end function */
/* start common */
@font-face {
  font-family: 'icomoon';
  src: url('fonts/icomoon.eot?g8w5p');
  src: url('fonts/icomoon.eot?g8w5p#iefix') format('embedded-opentype'), url('fonts/icomoon.ttf?g8w5p') format('truetype'), url('fonts/icomoon.woff?g8w5p') format('woff'), url('fonts/icomoon.svg?g8w5p#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
}
[class^="icon-"],
[class*=" icon-"] {
  /* use !important to prevent issues with browser extensions that change fonts */
  font-family: 'icomoon' !important;
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.icon-chat:before {
  content: "\e906";
}
.icon-views:before {
  content: "\e907";
}
.icon-github:before {
  content: "\e900";
}
.icon-rss:before {
  content: "\e901";
}
.icon-register:before {
  content: "\e600";
}
.icon-logout:before {
  content: "\e601";
}
.icon-setting:before {
  content: "\e602";
}
.icon-weibo:before {
  content: "\e605";
}
.icon-goup:before {
  content: "\e60a";
}
.icon-twitter:before {
  content: "\e60b";
}
.icon-login:before {
  content: "\e611";
}
.icon-qqz:before {
  content: "\e902";
}
.icon-tag:before {
  content: "\e904";
}
.icon-date:before {
  content: "\e905";
}
.icon-wechat:before {
  content: "\e903";
}
.form {
  width: 100%;
  padding: 30px;
}
#captcha,
#captchaReply {
  height: 27px;
  display: inline-block;
  vertical-align: inherit;
}
.form input,
.form textarea,
.form button {
  border: 1px solid #CCCCCC;
  background-color: #FAFAFA;
  border-radius: 3px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.075) inset;
  padding: 7px 8px;
  width: 100%;
  box-sizing: border-box;
  font-size: 14px;
  outline: none;
  font-family: "Helvetica Neue", "Luxi Sans", "DejaVu Sans", "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
}
.form textarea {
  margin-bottom: 30px;
}
.form button {
  width: auto;
  vertical-align: bottom;
  transition: all 0.3s ease;
  cursor: pointer;
}
.form button:hover {
  background-color: #b0a0aa;
  color: #FFF;
  box-shadow: 0 0 0;
  border-color: #b0a0aa;
}
.form input:focus,
.form textarea:focus {
  background-color: #FFF;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.075) inset, 0 0 5px rgba(176, 160, 170, 0.5);
  border: 1px solid #b0a0aa;
}
/* end common */
/* start side */
.side {
  position: fixed;
  background-color: #FFF;
  height: 100%;
  width: 300px;
  overflow: auto;
}
.side::-webkit-scrollbar {
  display: none;
}
.side .vditor-reset,
.side .vditor-reset a {
  font-size: 12px;
  font-weight: normal;
}
.side a {
  color: #696969;
  font-size: 30px;
}
.side a:hover,
.side .toc a:hover {
  color: #b0a0aa;
}
.side .overlay {
  height: 180px;
  background-color: #000;
  position: absolute;
  opacity: 0.7;
  width: 100%;
}
.side .content {
  width: 76%;
  text-align: center;
  margin: 112px auto 0;
  position: relative;
  z-index: 1;
}
.side .avatar {
  display: block;
  border: 5px solid #fff;
  border-radius: 50%;
  width: 128px;
  height: 128px;
  margin: 0 auto;
  transition: all 0.1s ease-in;
}
.side .avatar:hover {
  border-color: rgba(37, 143, 184, 0.6);
}
.side hgroup h1 {
  margin: 10px 0;
  line-height: 30px;
}
.side .subtitle {
  color: #999;
  font-size: 14px;
  line-height: 25px;
}
.side nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.side nav a {
  font-size: 14px;
}
.side nav .page-icon {
  height: 16px;
  width: 16px;
  margin: 0px 3px 0 0;
  vertical-align: -2px;
}
.side footer {
  text-align: center;
}
.side footer &gt; div {
  margin-bottom: 10px;
}
.side .toc-btn {
  float: right;
  margin: 0 10px;
  font-size: 14px;
  display: none;
}
.side .toc {
  height: 100%;
  width: 300px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  overflow: hidden;
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEgAAABIAgMAAAAog1vUAAAACVBMVEUAAAABAQETExM20mnVAAAAA3RSTlMOECJvSrphAAABBElEQVR4AWyRwQ3CQAwEJ5/rIVQTyuAfHunmXlRAoaxkMfJJkQ4Dznl3x+G4xlzOxvZ5vZdzMJ7fx3Im+7a2jpNzrINzZ+6r/DnIp7dyg9zsg9Ehel0+bsS1t5KJZOuDSU4Iunz4qC8BU6nLAqZSkgKmUsYCplLxBEylIARMxV8+w/sqoKo+6G0aTGhm5JAM//gARxxHYU3Q3igY0sCIIhYCC49rcUW4PBeJK3bd+CIKsDle8H91N62bwTv5Xxv1QQAAAAQQsH9rAU6DH3CIG9WFbm2Pcyf00PcOn3avFYDDRJgOOcE8fIX8VFCY00r5TlFFPt2NwqXDwFyGjNUlzfBdHo1oSKi9zm79GKMAAAAASUVORK5CYII=) repeat #5d5d5d;
}
.side .toc li {
  border-bottom: 1px solid #717171;
  border-top: 1px solid #5d5d5d;
}
.side .toc a {
  font-size: 14px;
  color: #e5e5e5;
  display: block;
}
.side .article__toc {
  padding: 30px 0 0 0;
  height: 100%;
  margin: 0;
  box-sizing: border-box;
}
.side .toc .close {
  color: #fff;
  padding: 0 10px;
  position: absolute;
  right: 0;
}
/* end side */
/* start main */
main {
  position: absolute;
  right: 0;
  min-height: 100%;
  background: #eaeaea;
  left: 300px;
  width: auto;
}
/* end main */
/* start article */
article {
  margin: 30px;
  border: 1px solid #ddd;
  background: #fff;
  position: relative;
  transition: all 0.2s ease-in;
  visibility: hidden;
}
article.show {
  visibility: visible;
  -webkit-animation: bounce 0.6s;
  animation: bounce 0.6s;
}
@-webkit-keyframes bounce {
  0% {
    opacity: 0;
    -webkit-transform: scale(1);
  }
  60% {
    opacity: 1;
    -webkit-transform: scale(1.02);
  }
  100% {
    -webkit-transform: scale(1);
  }
}
@-moz-keyframes bounce {
  0% {
    opacity: 0;
    -moz-transform: scale(1);
  }
  60% {
    opacity: 1;
    -moz-transform: scale(1.02);
  }
  100% {
    -moz-transform: scale(1);
  }
}
article header {
  border-left: 5px solid;
  padding: 15px 30px 15px 25px;
}
article header:hover {
  border-color: #b0a0aa;
}
article header h2 {
  margin: 0;
  font-size: 26px;
  padding-right: 20px;
}
article header a {
  color: #696969;
  margin-left: 0px;
  font-weight: 300;
  line-height: 35px;
  word-break: break-all;
}
article header a:hover {
  color: #b0a0aa;
}
article header sup {
  font-size: 14px;
  font-weight: normal;
  color: #999;
}
article header sup a {
  cursor: text;
  color: #999;
}
article header sup a:hover {
  color: #999;
}
article header sup a:visited {
  color: #fff;
}
article header time {
  font-size: 14px;
  color: #aaa;
  -ms-grid-row-align: center;
      align-self: center;
}
article .abstract {
  line-height: 1.8em;
  padding-right: 30px;
  padding-left: 30px;
  overflow: hidden;
  word-wrap: break-word;
  display: block;
  color: rgba(0, 0, 0, 0.6);
}
.article__footer {
  padding: 20px 0 0 0;
  margin: 30px 30px 20px 30px;
  border-top: 1px solid #ddd;
}
.article__footer .avatar {
  float: left;
  width: 20px;
  border-radius: 15px;
  transition: all 0.2s ease-out 0s;
}
.article__footer .link {
  color: #b0a0aa;
  margin-right: 20px;
  font-size: 14px;
}
.article__footer .link:hover {
  color: rgba(0, 0, 0, 0.54);
}
.tags .tag:hover,
article .abstract a:hover {
  opacity: 0.7;
}
.article__share {
  display: inline-block;
  position: relative;
}
.article__share .item {
  float: left;
  text-align: center;
  padding: 5px;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0.86;
  color: rgba(0, 0, 0, 0.6);
}
.article__share .item svg {
  fill: currentColor;
  height: 16px;
  width: 16px;
  float: left;
}
.article__share .item:hover {
  transform: rotate(360deg);
  color: #333;
}
.article__share .item__qr {
  position: absolute;
  top: 25px;
  left: 32px;
  height: 99px;
  width: 99px;
}
article footer .avatar:hover {
  transform: rotate(360deg);
  color: #333;
}
.tags .tag {
  color: #fff;
  font-size: 10px;
  height: 18px;
  line-height: 18px;
  display: inline-block;
  padding: 0 5px 0px 10px;
  position: relative;
  border-radius: 0 5px 5px 0;
  margin: 5px 9px 5px 8px;
  background-color: #7b5d5f;
  font-family: Menlo, Monaco, "Andale Mono", "lucida console", "Courier New", monospace;
}
.tags .tag:before {
  content: " ";
  width: 0px;
  height: 0px;
  position: absolute;
  top: 0;
  left: -18px;
  border: 9px solid transparent;
  border-right-color: #7b5d5f;
}
.tags .tag:after {
  content: " ";
  width: 4px;
  height: 4px;
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0px 0px 0px 1px rgba(0, 0, 0, 0.3);
  position: absolute;
  top: 7px;
  left: 2px;
}
a.color1.tag {
  background: #ff945c;
}
a.color1.tag:before {
  border-right-color: #ff945c;
}
a.color2.tag {
  background: #f5c7b7;
}
a.color2.tag:before {
  border-right-color: #f5c7b7;
}
a.color3.tag {
  background: #ba8f6c;
}
a.color3.tag:before {
  border-right-color: #ba8f6c;
}
a.color4.tag {
  background: #cfb7c4;
}
a.color4.tag:before {
  border-right-color: #cfb7c4;
}
nav.pagination {
  text-align: center;
  margin-top: 30px;
}
nav.pagination .page-num {
  width: 20px;
  height: 20px;
  background: #4d4d4d;
  border-radius: 50%;
  display: inline-block;
  color: #fff;
  line-height: 20px;
  font-size: 12px;
  margin: 0 3px 30px;
}
nav.pagination a.page-num:hover {
  opacity: 0.7;
}
nav.pagination .page-num.current {
  background: #88acdb;
}
nav.pagination .extend {
  color: #4d4d4d;
  margin: 0 27px;
  opacity: 0;
}
nav.pagination .extend:hover {
  color: #b0a0aa;
}
nav.pagination:hover .extend {
  opacity: 1;
}
article.post {
  visibility: visible;
}
.post .tags .avatar {
  bottom: inherit;
  margin-top: 4px;
}
.post header {
  padding-bottom: 0;
}
.post .share {
  padding: 10px 0 0 0;
  margin: 30px 30px 20px 30px;
  border-top: 1px solid #ddd;
}
.post aside a {
  color: #DDD;
}
.post aside a &gt; strong {
  background: #ddd;
  color: #fff;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: inline-block;
  transition: background 0.3s;
  vertical-align: middle;
  line-height: 14px;
  text-align: center;
}
.post aside a:hover {
  color: #4d4d4d;
}
.post aside a:hover &gt; strong {
  background-color: #4d4d4d;
}
.comments {
  margin: 60px 60px 0 50px;
  padding: 0;
  list-style: none;
  position: relative;
}
.comments li {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #ddd;
}
.comments li time {
  border-left: 1px solid #d5dbde;
  padding-left: 10px;
  margin-left: 10px;
}
.comments .avatar {
  position: absolute;
  height: 60px;
  width: 60px;
  border-radius: 50%;
  border: 3px solid #FFF;
}
.comments .content {
  margin-left: 80px;
  min-height: 66px;
}
.comments .post-meta {
  margin-bottom: 9px;
}
.comments .content img {
  vertical-align: sub;
}
.comments li.comment-body-ref {
  position: absolute;
  background-color: #FFF;
  width: 80%;
  margin-left: 80px;
  padding: 10px;
  border: 1px solid #ddd;
}
/* end article */
/* start footer */
footer.footer {
  line-height: 1rem;
  font-size: 12px;
  font-family: Menlo, Monaco, "Andale Mono", "lucida console", "Courier New", monospace;
  text-shadow: 0 1px #fff;
  opacity: 0.6;
  margin: 0 30px 30px;
}
footer.footer .icon-goup {
  position: fixed;
  bottom: 35px;
  right: 5px;
  -webkit-animation: upbounce 4s 2s infinite;
  animation: upbounce 4s 2s infinite;
  z-index: 10;
  font-size: 20px;
  cursor: pointer;
  color: #b0a0aa;
  transition: all 0.3s ease;
}
footer.footer .icon-goup:hover {
  color: #4a4a4a;
}
@-webkit-keyframes upbounce {
  0%,
  10%,
  25%,
  40%,
  50% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  20% {
    -webkit-transform: translateY(-10px);
    transform: translateY(-10px);
  }
  30% {
    -webkit-transform: translateY(-5px);
    transform: translateY(-5px);
  }
}
@keyframes upbounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  40% {
    -webkit-transform: translateY(-10px);
    transform: translateY(-10px);
  }
  60% {
    -webkit-transform: translateY(-5px);
    transform: translateY(-5px);
  }
}
/* end footer */
/* start classify*/
.classify li {
  list-style: none;
  font-size: 20px;
  float: left;
  margin: 0 30px 20px 0;
}
.classify .tags .tag {
  font-size: 20px;
  padding: 10px;
}
.classify .tags .tag:before {
  left: -38px;
  border-width: 19px;
}
.classify .tags .tag:after {
  top: 15px;
  left: -6px;
  width: 8px;
  height: 8px;
}
.classify-name {
  font-size: 18px;
  margin: 30px;
}
/* end classify*/
/* start responsive */
@media only screen and (max-width: 500px) {
  .side {
    position: relative;
    height: auto;
    width: 100%;
    min-height: auto;
  }
  .side .user__sites {
    position: relative;
    top: 16px;
  }
  .side .avatar {
    display: none;
  }
  .side .content {
    margin-top: 0;
    padding-top: 20px;
  }
  .side .overlay {
    height: 104px;
    z-index: 0;
  }
  main {
    position: initial;
  }
  article {
    margin: 10px;
  }
  .comments {
    margin: 20px 20px 0 20px;
  }
  footer.footer {
    text-align: center;
  }
  footer.footer .fn-right {
    float: none;
    display: block;
  }
}
/* end responsive */
</pre></body></html>