.markdown-image {
    text-align: center;
  }

  html[theme='dark-mode'] {
    filter: invert(1) hue-rotate(180deg);
  }
  
  body {
    line-height: 1;
    font: normal 15px/1.5em 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #404040;
    line-height: 1.75;
    letter-spacing: 0.008em;
  }
  
  a {
    text-decoration: none;
    color: #404040;
  }
  
  a:hover {
    color: #000;
  }

  figure {
    margin: 0;
  }

  .content table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* markdown content styles */
  blockquote {
    margin-top: 5px;
    margin-bottom: 5px;
    padding-left: 1em;
    margin-left: 0px;
    border-left: 3px solid #eee;
    color: #757575;
  }
  
  hr {
    display: block;
    border: none;
    height: 2px;
    margin: 40px auto;
    background: #eee;
  }
  
  table {
    width: 100%;
    margin: 40px 0;
    border-collapse: collapse;
    line-height: 1.5em;
  }
  
  th, td {
    text-align: left;
    padding-right: 20px;
    vertical-align: top;
  }
  
  table td, td {
    border-spacing: none;
    border-style: solid;
    padding: 10px 15px;
    border-width: 1px 0 0 0;
  }
  thead th, th {
    text-align: left;
    padding: 10px 15px;
    height: 20px;
    font-size: 13px;
    font-weight: bold;
    color: #444;
    cursor: default;
    white-space: nowrap;
    border: 1px solid #dadadc;
  }
  
  tr>td {
    border: 1px solid #dadadc;
  }
  
  tr:nth-child(odd)>td {
    background: #fcfcfc;
  }
  
  h1,
  h2,
  h3 {
    font-family: "Roboto Slab", serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
  }
  p {
    margin-block-start: 1.5em;
    margin-block-end: 1.5em;
  }
  p,
  pre {
    word-break: normal;
    overflow-wrap: anywhere;
  }
  .markdown-image img {
    max-width: 100%;
  }
  .anchor { 
    font-size: 100%; 
    visibility: hidden; 
    color:silver;
  }
  h1:hover a,
  h2:hover a,
  h3:hover a,
  h4:hover a { 
    visibility: visible
  }
  .highlight pre {
    padding: 7px;
    overflow-x: auto;
  }
  
  .highlight {
    max-width: 100%;
    overflow-x: auto;
  }
  p code {
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace;
    font-size: inherit;
    background-color: rgba(0, 0, 0, 0.06);
    padding: 0 2px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 2px 2px;
    line-height: inherit;
    word-wrap: break-word;
    text-indent: 0;
  }
  pre code {
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace;
  }
  
  
  /* navigation */
  
  nav.navigation {
    padding: 20px 20px 0;
    background: #fff;
    background: rgba(255, 255, 255, 0.9);
    margin: 0 auto;
    text-align: right;
    z-index: 100;
  }
  
  nav.navigation a {
    top: 8px;
    right: 6px;
    padding: 8px 12px;
    color: #404040;
    font-size: 13px;
    line-height: 1.35;
    border-radius: 3px;
  }
  nav.navigation a:hover {
    color: #000;
  }
  
  nav.navigation a.button {
    background: #404040;
    color: #fff;
    margin-left: 12px;
  }
  @media (max-width: 700px) {
    nav.navigation {
      padding: 20px 10px 0 0;
      background: #fff;
      background: rgba(255, 255, 255, 0.9);
      margin: 0 auto;
      text-align: right;
      z-index: 100;
    }
    nav.navigation a {
      top: 8px;
      right: 6px;
      padding: 8px 8px;
      color: #404040;
      font-size: 13px;
      line-height: 1.35;
      border-radius: 3px;
    }
  }
  
  @media (max-width: 324px) {
    nav.navigation a.button {
      display: none;
    }
  }
  
  /* toc */
  .toc {
    margin: auto;
    background: #f8f8f8;
    border-radius: 0;
    padding: 10px 7px;
    margin-top: 36px;
  }
  .toc details summary {
    cursor: zoom-in;
    margin-inline-start: 14px;
    font-weight: 500;
  }
  .toc details[open] summary {
    cursor: zoom-out;
  }
  .toc #TableOfContents {
    margin-left: 10px;
  }
  .toc ul {
    padding-inline-start: 24px;
  }
  
  /* comment */
  #comment {
    margin-top: 64px;
  }
  
  /* footer */
  #footer {
    margin-top: 100px;
    margin-bottom: 100px;
    text-align: center;
    color: #bbbbbb;
    font-size: 14px;
  }
  #footer .copyright {
    margin: 20px auto;
    font-size: 15px;
  }
  .powerby {
    margin: 20px auto;
    font-size: 13px;
  }
  #footer .split {
    cursor: pointer;
  }
  #footer .split:hover path {
    fill: #ff3356;
    transition: 0.7s ease-out;
    cursor: pointer;;
  }
  
  #social a {
    margin: 0 4px;
  }
  
  /* main content */
  .main {
    width: 100%;
    margin: 0 auto;
  }
  
  /* profile  */
  
  .profile {
    margin: 60px auto 60px auto;
    text-align: center;
  }
  
  .profile .avatar {
    display: inline-block;
    width: 110px;
    height: auto;
    border-radius: 50%;
  }
  
  .profile h1 {
    font-weight: 400;
    letter-spacing: 0px;
    font-size: 20px;
    color: #404040;
    margin-bottom: 0;
    margin-top: 0;
  }
  
  .profile h2 {
    font-size: 17px;
    font-weight: 400;
    color: #757575;
    margin-top: 0;
  }
  
  /* index post list */
  #list-page {
    max-width: 580px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  #list-page .item {
    margin: 12px 0;
  }
  
  #list-page .title {
    display: inline-block;
    color: #404040;
    font-size: 20px;
    font-weight: 400;
    margin: 0;
    width: 80%;
  }
  
  #list-page .title a {
    color: #404040;
    display: block;
  }
  
  #list-page .title a:hover {
    color: #000;
  }
  
  #list-page .date {
    width: 20%;
    float: right;
    text-align: right;
    position: relative;
    top: 1px;
    color: #bbb;
  }
  
  #list-page .summary {
    color: #757575;
    margin-top: 12px;
    word-break: normal;
    overflow-wrap: anywhere;
    margin-bottom: 36px;
  }
  
  #list-page .cover {
    width: 100px;
    height: 100px;
    background: #fff;
  }
  
  #list-page .cover img {
    width: 100%;
    text-align: center;
  }
  
  #list-page .pagination {
    margin: 48px 0;
    width: 100%;
    height: 32px;
    margin-top: 48px;
  }
  
  #list-page .pagination .pre {
    float: left;
  }
  #list-page .pagination .next {
    float: right;
  }
  
  /* single page */
  #single {
    max-width: 680px;
    margin: 60px auto 0 auto;
    padding: 0 64px;
  }
  
  #single .title {
    text-align: center;
    font-size: 32px;
    font-weight: 400;
    line-height: 48px;
  }
  
  @media (max-width: 700px) {
    #single {
      padding: 0 18px;
      margin: 20px auto 0 auto;
    }
    #single .title {
      font-size: 24px;
      line-height: 32px;
    }
  }
  
  #single .tip {
    text-align: center;
    color: #8c8c8c;
    margin-top: 18px;
    font-size: 14px;
  }
  #single .tip .split {
    margin: 0 4px;
  }
  
  #single .content {
    margin-top: 36px;
  }
  
  #single .tags {
    margin-top: 24px;
  }
  #single .tags a {
    background: #f2f2f2;
    padding: 4px 7px;
    color: #757575;
    font-size: 14px;
    margin-right: 3px;
  }
  #single .tags a:hover {
    color: #000;
  }
  
  
  #archive {
    max-width: 580px;
    margin: 0 auto;
    padding: 0 24px;
  }
  
  #archive .total {
    font-size: 15px;
  }
  
  #archive .group {
    margin: 24px auto; 
  }
  #archive .group .key {
    font-size: 20px;
    margin-bottom: 12px;
  }
  #archive .group .value {
    display: block;
    font-size: 16px;
    margin-bottom: 12px;
  }
  #archive .group .value .date {
    display: inline-block;
    color: #999;
    min-width: 60px;
  }
  #archive .group .value .title {
    display: inline;
  }
  #archive .group .value .title a {
    color:#404040;
  }
  #archive .group .value .title a:hover {
    color: #000;
  }
  #archive .group .value .tags {
    display: inline;
    margin-left: 7px;
  }
  #archive .group .value .tags a {
    background: #f2f2f2;
    padding: 4px 7px;
    color: #999;
    font-size: 14px;
    margin-right: 3px;
  }
  #archive .group .value .tags a:hover {
    color: #000;
  }
  
  /* taxonomy */
  #tags {
    max-width: 700px;
    margin: 48px auto 0 auto;
    padding: 0 12px;
    text-align: center;
  }
  #tags .tag {
    display: inline-block;
    margin: 7px 7px;
  }
  @media (max-width: 700px) {
    #tags {
      margin: 0 auto 0 auto;
    }
    #tags .tag {
      display: inline-block;
      margin: 4px 5px;
    }
  }
  
  #tags .tag a {
    background: #f2f2f2;
    padding: 4px 7px;
    color: #757575;
    color: #404040;
    font-size: 14px;
    margin-right: 3px;
  }
  #tags .tag a:hover {
    color: #000;
  }
  
  /* section page */
  #section {
    max-width: 580px;
    margin: 48px auto 0 auto;
    padding: 0 12px;
  }
  
  /* 404 page */
  #page-404 {
    max-width: 580px;
    margin: 0 auto;
    padding: 0 24px;
  }
  #page-404 .item {
    margin: 12px 0 0 0;
  }
  
  #page-404 .title {
    display: inline-block;
    color: #404040;
    font-size: 15px;
    font-weight: 400;
    margin: 0;
    width: 80%;
  }
  
  #page-404 .text {
    text-align: center;
    margin-top: 60px;
  }
  
  #page-404 .read-more {
    font-weight: 300;
    font-size: 20px;
    margin-top: 48px;
    margin-bottom: 12px;
  }
  
  #page-404 .date {
    width: 20%;
    float: right;
    text-align: right;
    position: relative;
    top: 1px;
    color: #bbb;
  }