:root {
  --text-color: #454851; /* 深色文本 */
  --light-text-color: #f1f2f3;  /* 浅色文本 */
  --bg-color: #f9fafa; /* 浅色背景 */
  --dark-bg-color: #eee;  /* 深色强调背景 */
  --link-color: #508484;  /* 链接颜色 */
  --theme-color: #17b890;  /* 主题色 */
  --accent-color: #f55d3e;  /* 强调色 */
  --shadow: 0 3px 9px 2px rgba(100, 100, 100, .5);  /* 阴影样式 */
}

/* 引流标记 */
/* source: https://codepen.io/diegopardo/pen/knwth */
.ribbon-box{
  background: var(--dark-bg-color);
  width: 80%;
  max-width: 960px;
  min-height: 3.750em; 
  margin: 2em auto;
  padding: 1.250em;
  border-radius: 0.313em;
  box-shadow: var(--shadow);
  line-height: 1.5em;
  color: var(--text-color);
}

.ribbon{
  position:relative;
  padding: 0 0.5em;
  font-size:2.000em;
  margin: 0 0 0 -0.625em !important;
  line-height: 1.875em;
  color: #e6e2c8;
  border-radius: 0 0.156em 0.156em 0;
  background: var(--accent-color);
  box-shadow: -1px 2px 3px rgba(0,0,0,0.5);
  text-align: left!important;
}

.ribbon-box p {
  font-size: 1rem !important;
}

.ribbon:before, .ribbon:after{
  position:absolute;
  content: '';
  display: block;
}

.ribbon:before{
  width: 0.469em;
  height: 100%;
  padding: 0 0 0.438em;
  top:0;
  left: -0.469em;
  background:inherit;
  border-radius: 0.313em 0 0 0.313em;
}

.ribbon:after{
  width: 0.313em;
  height: 0.313em;
  background: rgba(0,0,0,0.35);
  bottom: -0.313em;
  left: -0.313em;
  border-radius: 0.313em 0 0 0.313em;
  box-shadow: inset -1px 2px 2px rgba(0,0,0,0.3);
}

.ribbon h1, .ribbon h2 {
  text-align: left;
}

@media (max-width: 600px) {
  .ribbon{
    line-height: 1.143em;
    padding: 0.5em;
  }
  .ribbon:before, .ribbon:after{
    font-size: 0.714em;
  }
}

.alert-transfer {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-color) !important;
  background: var(--dark-bg-color) !important;
  box-shadow: var(--shadow);
  margin-bottom: 2ex !important;
}

/* 页面 & 正文排版样式 */
html {
  font-size: 100%;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  max-width: 960px;
  font-family:  helvetica, "Arial", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-size: 16px;
  letter-spacing: .04em;
  margin: auto;
}

a {
  text-decoration: none;
  color: var(--link-color);
}

em {
  font-style: normal;  /* 斜体改强调 */
  color: var(--accent-color);
}

#cnblogs_post_body {
  line-height: 2;
}

#cnblogs_post_body blockquote, .entrylistDescription {
  border-width: 0;
  border-left: 3px solid var(--accent-color);
  color: #999;
  margin: 1.5ex 1em;
  padding: 0 1em;
}

#header h1 {
  text-align: center;
  margin: auto;
}

#cnblogs_post_body h2 {
  font-size: 1.7em;
  margin-top: 30px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--accent-color);
}

#cnblogs_post_body h3 {
  font-size: 1.3em;
  margin-top: 20px;
}

#cnblogs_post_body h4 {
  font-size: 1.1em;
  margin-top: 10px;
}

#cnblogs_post_body img {
  display: block;
  max-width: 90% !important;
  max-height: 80vh !important;
  box-shadow: var(--shadow);
  background-color: var(--bg-color);
  margin: 2ex auto;
}

#cnblogs_post_body table {
  margin: auto;
}

#cnblogs_post_body label {
  display: block;
  text-align: center;
  font-size: 0.9em;
  color: var(--theme-color);
}

#cnblogs_post_body pre {
  border: 2px solid var(--accent-color) !important;
  border-radius: 3px;
  overflow-x: auto;
  max-width: 100%;
  line-height: 1;
  padding: 1em;
  white-space: pre;
}

.MJXp-math, .math.display .math {
  max-width: 95%;
  min-width: unset!important;
  vertical-align: middle;
  overflow-x: auto; /* 行间公式溢出修正 */
  overflow-y: hidden;
}

.math.inline {
  margin-left: 0.1em;  /* 补足被 pangu.js 遗漏的空格 */
}

.cnblogs-markdown code, .cnblogs-post-body code {
  display: initial;
  border: 0 !important;
  background: unset !important;
  font-family: "Fira Mono", "DejaVu Sans Mono", Menlo, Consolas, "Liberation Mono", Monaco, "Lucida Console", monospace !important;
  font-size: 1em !important;
  vertical-align: unset;
  margin: 0;
  padding: 0 !important;
}

.cnblogs-markdown code.hljs, .cnblogs-post-body code.hljs {
  font-family: "Fira Mono", "DejaVu Sans Mono", Menlo, Consolas, "Liberation Mono", Monaco, "Lucida Console", monospace !important;
  font-size: .9em !important;
  display: inline;
  padding-left: 0px!important;
}

.footnote-ref sup::after, a.c_b_p_desc_readmore::after {
  content: ']';
}

.footnote-ref sup::before, a.c_b_p_desc_readmore::before {
  content: '[';
}

a.c_b_p_desc_readmore, #cnblogs_post_body blockquote.alert {
  color: var(--accent-color);
}


/* 部件样式 */
#MySignature, #comment_form_container {
  box-shadow: var(--shadow);
  background: var(--dark-bg-color);
  padding: 1ex 2em;
}

#comment_form_container {
  margin-top: 1ex;
}

#ad_t2, .recomm-block {
  padding: 10px;
  line-height: 1.8;
}

#ad_t2 a, .recomm-block a {
  color: #ddd;
}

.c_ad_block {
  display: none;
}

#div_digg {
  border: 2px solid var(--accent-color);
  border-radius: 10px;
  padding: 5px 10px;
}

#footer {
  border-top: 1px solid var(--accent-color);
  text-align: center;
  margin-top: 10px;
  padding: 10px 0;
}

#leftcontentcontainer {
  padding-left: 10px;
  margin-top: 10px;
}

#leftcontentcontainer ul {
  padding-left: 20px;
}

#main {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

#myposts {
  margin-left: 0;
}

#myposts .PostList {
  font-size: 1.2em;
  border-left: 3px solid var(--accent-color);
  margin: 2ex 0;
  padding: 0 10px;
}

#myposts .PostList a {
  color: var(--theme-color);
  font-weight: bold;
}

#myposts .postDesc2 {
  font-size: .8em;
}

#navigator {
  border-bottom: 1px dashed var(--accent-color);
  height: 23px;
  padding: 5px;
}

#navigator .blogStats {
  float: right;
  margin: auto;
}

#navigator ul {
  width: 50%;
  float: left;
  margin: 0 0 0 -15px;
  padding: 0;
}

#navigator ul li {
  list-style: none;
  float: left;
  margin: 0 10px;
}

#post_next_prev {
  font-size: .9em;
  margin-bottom: 1ex;
}

#sideBar img, #green_channel {
  max-width: 100%;
}

#sideBar, #mainContent {
  width: 100%;
}

#sideBarMain {
  border-top: 1px solid var(--accent-color);
  display: flex;
  line-height: 3ex;
}

#sidebar_news {
  max-width: 200px;
  padding-right: 10px;
  line-height: unset;
  margin: 10px 10px 0 0;
}

#sidebar_postcategory li {
  list-style: none;
  display: inline-block;
  margin: 0.15em 0.25em;
}

#sidebar_postcategory li a {
  border: 2px solid var(--bg-color);
  padding: 0.1em;
}

#sidebar_postcategory li a:hover {
  border-color: var(--accent-color);
}

#TopViewPostsBlock ul {
  list-style: none;
}

.day .dayTitle {
  font-size: .9em;
}

.day .postTitle a, .entrylistPosttitle a, .entrylistTitle, h1 a, h2, h3, h4 {
  color: var(--theme-color);
}

.day .postTitle, .entrylistItemTitle {
  font-size: 1.4em;
  font-weight: bold;
  margin: .5ex 0;
}


.day, .entrylistItem {
  border-left: 3px solid var(--accent-color);
  margin: 50px 0;
  padding: 0 10px;
}

.entrylistDescription {
  font-size: .9em;
  padding: 10px;
}


/* 目录样式 */
/* source: <https://www.w3cplus.com/css3/css3-ordered-list-styles> */
.toc {
  background: var(--bg-color);
  padding: 15px;
  position: fixed;
  right: calc(8% + 3em);
  bottom: calc(8% + 3em);
  width: 350px;
  max-width: calc(80% - 3em);
  max-height: 60%;
  overflow-y: auto;
  border-radius: 2px;
  border: 3px solid var(--accent-color);
  box-shadow: var(--shadow);
  display: none;
}

.toc ul {
  counter-reset: li;
  list-style: none;
  padding: 0;
  margin-bottom: 4em;
  text-shadow: var(--shadow);
}

.toc ul ul {
  margin: 0 0 0 2em;
}

.toc a {
  position: relative;
  display: block;
  padding: 0.4em 0.4em 0.4em 0.8em;
  margin: 0.5em 0 0.5em 2em;
  background: var(--dark-bg-color);
  text-decoration: none;
  -webkit-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}

.toc a:hover {
  opacity: 1;
}

.toc a::before {
  content: counter(li);
  counter-increment: li;
  position: absolute;
  left: -2.5em;
  top: 50%;
  margin-top: -1em;
  background: var(--theme-color);
  color: var(--light-text-color);
  width: 2em;
  height: 2em;
  line-height: 2em;
  text-align: center;
  -webkit-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}

.toc ul ul a::before {
  background: var(--accent-color);
}

.toc a::after {
  position: absolute;
  content: "";
  border: 0.5em solid transparent;
  left: -1em;
  top: 50%;
  margin-top: -0.5em;
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -ms-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}

.toc a:hover::after {
  left: -0.5em;
}

.toc-title {
  text-align: center;
  font-size: 1.5em;
}


/* 自定义评论样式 */
/* source: <https://www.jianshu.com/p/cf2d5c2f15fa> */
.feedbackItem {
  /*为了给after伪元素自动继承*/
  padding: 5px 12px 5px 12px;
  box-sizing: border-box;
  border-radius: 6px;
  position: relative;
  word-break: break-all;
  background: #ddd;
  line-height: 4ex;
  font-size: 0.9em;
  margin: 3ex 80px 3ex auto;
  width: calc(90% - 80px);
  padding: 10px;
  box-shadow: var(--shadow);
}

.feedbackItem.feedbackLouzhu {
  background: #76D7C4;
  margin: 2ex auto 2ex 80px;
}

.feedbackItem.feedbackLouzhu a {
  color: var(--accent-color);
}

.feedbackItem::before {
  content: '';
  position: absolute;
  top: 30%;
  right: -10px;
  width: 20px;
  height: 20px;
  margin-top: -20px;
  background: inherit;
  /*自动继承父元素的背景*/
  transform: rotate(45deg);
}

.feedbackItem.feedbackLouzhu::before {
  left: -10px;
  right: unset;
}

/* 悬浮目录按钮样式 */
/* source: <https://chensd.com/2016-06/Material-Design-Float-Action-Button.html> */
.float-action-button {
  position: fixed;
  right: 8%;
  bottom: 8%;
  cursor: pointer;
  background-color: var(--accent-color);
  color: var(--light-text-color);
  opacity: 0.9;
  border-radius: 50%;
  width: 4em;
  height: 4em;
  display: flex;
  justify-content: center;
  align-items: center;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 30px;
  box-shadow: var(--shadow);
}

.float-action-button:hover {
  opacity: 1;
}

.float-action-button span {
  margin: auto;
}

.float-toc-container {
  display: none;
}

.user-avatar {
  position: absolute;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  top: calc(30% - 22.5px);
  right: -70px;
  border: 2px solid var(--theme-color);
}

.feedbackLouzhu .user-avatar {
  left: -70px;
  border-color: var(--accent-color);
}


/* 响应式设计 */
@media print, screen and (max-width: 960px) {
  body {
    margin: 20px;
  }

  #sidebar_news {
    max-width: 150px;
    margin-right: 20px;
  }

  #tbCommentBody {
    max-width: 100%;
  }

  #tbCommentAuthor {
    max-width: calc(100% - 31px)
  }

  #comment_form {
    padding-left: 0px !important;
    ;
    margin-left: 0px;
  }
}

@media print, screen and (max-width: 600px) {
  #navigator ul {
    display: none;
  }

  #sideBarMain {
    flex-direction: column;
  }

  #sidebar_news {
    max-width: unset;
    padding-left: 10px;
  }

  li .math.inline .math {
    max-width: 250px;
    overflow-x: auto;
    overflow-y: hidden;
  }
}