html {
  background-color: #f7f7f7;
  -webkit-font-smoothing: antialiased; }

  body {
    color: #333;
    font-family: Sabon, -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    font-size: 16px;
    width: 100%;
    margin: 0;
    padding: 0; }

    p {
      line-height: 1.9em;
      font-weight: 400;
      margin: 0; }

      a {
        text-decoration: none; }
        a:link, a:visited {
          opacity: 1;
          -webkit-transition: all 0.15s linear;
          -moz-transition: all 0.15s linear;
          -o-transition: all 0.15s linear;
          -ms-transition: all 0.15s linear;
          transition: all 0.15s linear;
          color: #424242; }
          a:hover, a:active { 
            color: #555; }

h1, h2, h3, h4, h5, h6 {
  text-rendering: optimizeLegibility; }

  .main {
    background: #FFFFFF;
    box-shadow: 0px 10px 20px 0px rgba(236, 236, 236, 0.86);
    width: 820px;
    margin: 0 auto;
    margin-top: 60px;
    border-radius: 20px;
    overflow-x: hidden; }
    #comments {width: 720px;}
    .content {
      width: 720px;
      padding: 0px 20px;
      height: auto;
      margin: 0 auto; }

      .list_with_title .container {
        width: 720px;
        margin: 0 auto; }

        .header {
          width: 720px;
          padding: 100px 0px 140px 0px;
          margin: 0 auto;
          -webkit-background-size: cover;
          background-size: cover; }
          .header .site_title_container {
            padding: 0 0px; }
            .header .site_title_container h1 {
              line-height: 1;
              margin: 0; }
              .header .site_title_container a {
                text-decoration: none;
                font-weight: bold; }
                .header .site_title_container .site_title {
                  width: 100px;
                  float: left; }
                  .header .site_title_container .site_title a {
                    font-size: 28px;
                    width: 65px;
                    letter-spacing: 2px;
                    line-height: 1.2;
                    color: #CB2E5A; }
                    .header .site_title_container .site_title a:hover {
                      color: #666; }
                  .header .site_title_container .site_title a.long {
                    width: 95px; }
                    .header .site_title_container .site_title a.long_long {
                      width: 160px; }
            .header .site_title_container .description {
              font-size: 14px;
              color: #424242;
              float: right; }
              .header .site_title_container .description .sub_title {
                font-weight: normal !important;
                float: none !important;
                font-family: 'PingHei', 'PingFang SC', ‘Helvetica Neue’, 'Work Sans', 'Hiragino Sans GB',
                                'Microsoft YaHei', SimSun !important; }
          .header .my_socials {
            font-family: 'PingFang SC', sans-serif !important;
            list-style: none;
            font-size: 14px;
            float: right;
            margin: 5px 0px; }
            .header .my_socials i {
              margin-left: 10px; }
              .header .my_socials a {
                color: #5f5f5f;
                font-size: 12px;
                float: none;
                cursor: pointer; }
                .header .my_socials a:hover {
                  color: #000; }
                  
.post {
  background-color: #FFF;
  margin-top: 50px; }
  .post .post_title {
    padding-bottom: 16px; }
    .post .post_title h2 {
      text-transform: none;
      letter-spacing: 1px;
      font-size: 1.4rem;
      line-height: 1;
      font-weight: 600;
      color: #444;
      margin: 0px 0px 6px 0px; }
      .post .post_title a {
        text-decoration: none;
        letter-spacing: 1px;
        color: #424242;       /* 首页标题颜色 */
        font-size: 1.4rem;
        line-height: 28px; }
        .post .post_title span {
          color: rgba(0, 0, 0, 0.44);
          font-size: 14px; }
          .post .post_title span.date {
            font-size: 12px; }
  .post .post_detail_title h2 {
    font-size: 1.5rem;
    font-weight: bold; }
  .post .list p {
    padding-bottom: 0px !important; }
  .post .post_content {
    word-break: break-all; }
    .post .post_content p {
      line-height: 2em;
      letter-spacing: 0.2px;
      color: #797979;}            /* 正文字体颜色 */
    .post .post_content p + p {
      margin-top: 1.5em;}
      .post .post_content a {
        text-decoration: none;
        letter-spacing: 0.5px;
        color: #177CB0;
        font-style: normal;
        text-decoration: none; }   /* 正文超链接 */
        .post .post_content a:hover {
          color: #177CB0; 
          font-style: normal;}
  .post .post_footer {
    padding: 20px 0 40px 0;
    border-bottom: 1px solid #F3F3F3; }
    .post .post_footer .meta {
      max-width: 100%;
      height: 25px;
      color: #bbbbbb; }
      .post .post_footer .meta .info {
        float: left;
        font-size: 11px; }
        .post .post_footer .meta .info .date {
          margin-right: 10px; }
      .post .post_footer .meta .field {
        margin-right: 10px; }
        .post .post_footer .meta .tags a {
          text-decoration: none;
          color: #bbbbbb;
          padding-right: 6px; }
          .post .post_footer .meta .tags a:hover {
            color: #1F1F1F; }

.footer {
  clear: both;
  max-width: 780px;
  text-align: center;
  font-size: 12px;
  padding: 40px 0px 80px 0px;
  margin: 0 auto; }
  .footer a {
    color: #797979;
    margin: 0px 12px; }
    .footer a:hover {
      color: #1F1F1F; }
  .footer .bitcron_nav_container .site_nav_wrap {
    text-align: center; }
    .footer .bitcron_nav_container .site_nav {
      display: inline-block;
      float: none; }
      .footer .bitcron_nav_container .site_nav a {
        font-size: 13px;
        color: #666; }
        .footer .bitcron_nav_container .site_nav a.current {
          color: #222; }
  .footer .powered_by {
    margin: 0;
    padding-top: 10px;
    font-size: 11px; }
    .footer .powered_by a {
      color: #cccccc;
      margin: 0px 2px; }
      .footer .powered_by a:hover {
        color: #1F1F1F; }
        
         /* 底部标语位置 */
        .footer_slogan {
         display: grid;
         place-items: center; }




.list_with_title {
  font-size: 14px;
  margin: 0;
  padding: 0; }
  .list_with_title li {
    list-style-type: none;
    padding: 0; }
    .list_with_title .listing_title {
      font-size: 1.4rem;
      color: #1F1F1F;
      font-weight: bold;
      padding-top: 10px;
      line-height: 2.2em; }
      .list_with_title .listing {
        margin: 0 0 50px 0;
        padding: 0;
        line-height: 2.1; }
        .list_with_title .listing .listing_post {
          padding-bottom: 5px; }
          .list_with_title .listing .listing_post .post_time {
            float: right;
            color: #C5C5C5;
            font-size: 14px; }
            .list_with_title .listing .listing_post a:hover {
              color: #e42b2b; }

.doc_comments {
  font-size: 14px;
  color: #383838; }
  .doc_comments .comment small {
    font-size: 70%; }



/* 分页按钮 */
.pagination {
  padding: 50px 0 60px 0;
  color: #666;
  font-size: 14px;}
  .pagination .center {
    color: #888; }  /* 页码颜色 */
  .pagination a {
    color: #888;
    text-decoration: none;}
  .pagination a:hover {
    color: #333;}
  .pagination .pre {
    float: left;}
  .pagination .next {
    float: right;}



code {
  color: #fb070b; /* 代码引用块颜色 绿: #20894d */ 
  margin: 0px 5px;
  background: #fff; }

  pre {
    background: #f9f9f9;
    border: 1px solid #e2e2e2;
    line-height: 1.8;  }

    blockquote {
      margin: 1.1em 0.3rem 1em -2.7em;
      padding: 0 0 0 4rem;
      border-left: #4a4a4a 0.2em solid; }

      em {
        color: #636363; }

        .about {
          padding-bottom: 300px; }
          .about img {
            width: 100%; 
            height: auto }
            .about h1 {
              color: #1F1F1F;
              font-size: 1.8rem;
              font-weight: bold; }
              .about h2 {
                color: #1F1F1F;
                font-size: 1.4rem;
                font-weight: bold; }
                .about h3 {
                  color: #1F1F1F;
                  font-size: 1.1rem;
                  font-weight: bold; }
                  .about h4 {
                    color: #1F1F1F;
                    font-size: 1rem; }
                    .about h5 {
                      color: #1F1F1F;
                      font-size: 0.9rem; }
                      .about h6 {
                        color: #1F1F1F;
                        font-size: 0.8rem; }
                        .about a {
                          padding: 8px 18px;
                          float: left;
                          border: 1px solid #1F1F1F;
                          margin: 10px 10px 10px 0px; }
                          .about a:hover {
                            background-color: #1F1F1F;
                            color: #fff; }



#comments {
  margin: 0 auto;
  padding: 30px 0;
}
.comment-list, .comment-list ol {
  list-style:none;
  margin:0;
  padding:0;
}
.comment-list {
  margin-top:30px;
}
.comment-children {margin-top: 30px;}

.comment-list li {
  padding: 30px 0 20px 0px;
  border-top:1px solid #f1f1f1;
  margin-top: 0px
}
.comment-list li li{
  padding: 20px 0 20px 20px;
  margin-top: 10px
}
.comment-list li.comment-level-even {
  background:#FFF;
}
.comment-list li .comment-reply {
  float:right;
  margin-top:-39px;
  font-size:.92857em;
}
.comment-meta {
  height: 18px;
  line-height: 12px;}
.comment-meta a {
  color:#bbbbbb;
  font-size:12px;
}
.comment-author {
  display:block;
  color:#444;
}
.comment-author .avatar {
  float:left;
  margin:1px 10px 0 0;
  border-radius: 50%;
}
.comment-author cite {
  font-weight:600;
  font-style:normal;
  line-height: 1.2;
}
.comment-awaiting-moderation {
  font-style:normal;
  float:right;
  margin-top:-20px;
  color:#777;
}
.comment-list .respond {
  margin:15px 0;
  border-top:1px solid #ddd;
}
.comment-body .respond {
  border:none;
  margin:0 0 25px;
}
.comment-content {color: #666666;
  font-size: 14px;}
.respond .cancel-comment-reply {
  float:right;
  margin-top:15px;
  font-size:.92857em;
}
#comment-form {
  padding-top:5px;
  overflow: hidden;
}
#comment-form label {
  display:block;
  color:#888;
  position:absolute;
  margin: 3px 7px;
  font-size: 14px;
  width: 150px;
  cursor: text;
}
#comment-form input {
  padding:2px 6px;
  height:30px;
  border:solid 1px #D4D4D4;
  background:#fdfdfd;
  padding-left:45px;
  color: #555;
  width: 150px;
  border-radius: 10px;
}
.col1 {
  margin-right:-220px;
  height:auto;
  float:left;
  width:100%;
  position:relative;
  background-position:0 0;
}
.col2 {
  width:204px;
  float:right;
  position:relative;
  overflow:hidden;
  background-position:right top;
}
.col2 p, .col1 p {
  margin: 9px 0;
}
.col1 p {
  margin-right: 220px;
}
.protected .text {height: 58px;
  border-radius: 4px;
  border: 1px solid #d8d9de;
  box-shadow: none;
  -webkit-appearance: none;
  width: 50%;
  font-size: 30px;
  padding: 10px 30px;}
.protected .submit {min-width: 40%;
  color: #fff;
  border: 0;
  background-color: #3E3E3E;
  cursor: pointer;
  border-radius: 4px;
  font-size: 16px;
  letter-spacing: 2px;
  -webkit-font-smoothing: subpixel-antialiased;
  height: 80px;
  vertical-align: top;}
button.submit {
  border:1px solid #272727;
  display:block;
  line-height:32px;
  width:100%;
  outline:none;
  color: #fff;
  background:#272727;
  height: 38px;
  border-radius: 10px;
}
button.submit:hover {
  background:#505050;
  border-color: #505050;
  border-radius: 10px;
}
textarea.textarea {
  line-height:1.8;
  padding:5px 10px 5px 10px;
  width:100%;
  height:174px;
  padding:10px;
  overflow:auto;
  margin:0;
  line-height:1.8;
  color:#222;
  font-size:14px;
  background:#fdfdfd!important;
  color: #555;
  border-radius: 10px;
  border: 1px solid #ddd;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    outline: none;
}


.markdown {
  color: #555; }
  .markdown .md_line {
    letter-spacing: 0.5px;
    line-height: 2 !important; }
    .markdown .codehilite pre {
      background-color: #fff;
      color: #393939; }
      .markdown .codehilite .m {
        color: #449a36; }
        .markdown .codehilite .o {
          color: #292929; }
          .markdown .codehilite .k {
            color: #292929; }
            .markdown .codehilite .nc {
              color: #2196f3; }
              .markdown .codehilite .c {
                color: #449a36; }
                .markdown .codehilite .s {
                  color: #dc3722; }
                  .markdown .codehilite .s2 {
                    color: #dc3722; }
                    .markdown .codehilite .nd {
                      color: #2a3bc3; }
                      .markdown .codehilite .n {
                        color: #8a8a30; }
                        .markdown .codehilite .err {
                          background-color: #fff; }
  .markdown h1, .markdown h2, .markdown h3, .markdown h4, .markdown h5, .markdown h6 {
    margin: 2.5em 0 1.3em 0;
    color: #424242; }
    .markdown h1 {
      font-size: 1.35em; }
      .markdown h2 {
        font-size: 1.25em; }
        .markdown h3 {
          font-size: 1.15em; }
          .markdown h4 {
            font-size: 1.1em; }
            .markdown pre {
              margin-top: 1.2em;
              margin-bottom: 2.2em;
              padding: 15px 20px;
              display: block;
              overflow: auto; }
              .markdown blockquote, .markdown .stressed {
                -moz-box-sizing: border-box;
                box-sizing: border-box;
                margin: 2.5em 0 !important;
                padding: 0 0 0 50px;
                font-style: normal;
                color: #797979;
                border-left: none; }
                .markdown blockquote:before, .markdown .stressed-quote:before {
                  content: "“";
                  display: block;
                  font-family: times;
                  font-style: normal;
                  font-size: 48px;
                  color: #444;
                  font-weight: bold;
                  line-height: 30px;
                  margin-left: -50px;
                  position: absolute; }
                  .markdown strong, .markdown b, .markdown em {
                    padding: 1px 2px;
                    background-color: #f7f7f7;
                    font-weight: bold;
          color: #000;}


/* 响应式设计-1 */
@media screen and (max-width: 500px) {
  .main {
    width: 95%;
    margin-top: 20px;   }
    .header {
      width: 92%;   }
      .content,#comments {
        width: 92%;   
        padding: 0px 0px;  }
        .post_page {
          padding-top: 0px;   }
          .footer a {
            margin: 0px 6px;   }
            .about {
              padding-bottom: 400px;   }
              .post {
                margin-top: 40px;  }
                .post_footer {
                  padding-bottom: 30px;   }
                   #archives-content {
                    padding: 10px 30px 60px 30px;  }
                     #back-to-top {
                      right: 50px;
                      bottom: 60px;  }
}

/* 响应式设计-2 */
@media screen and (min-width: 501px) and (max-width: 900px) {
  .main {
    width: 95%;
    margin-top: 20px;   }
    .header {
      width: 92%;   }
      .content,#comments {
        width: 92%;   }
        .post_page {
          padding-top: 0px;   }
          .footer a {
            margin: 0px 6px;   }
            .about {
              padding-bottom: 400px;   }
              .post {
                margin-top: 40px; }
                .post_footer {
                  padding-bottom: 30px;   }
                   #archives-content {
                    padding: 10px 30px 60px 60px;  }
                    #back-to-top {
                     right: 80px;
                     bottom: 60px;  }
}



/* 响应式设计-3 */
@media screen and (min-width: 901px) and (max-width: 1600px) {
  #archives-content {
    padding: 10px 60px 60px 60px;  }
    #back-to-top {
     right: 120px;
     bottom: 60px;  }
}


/* 响应式设计-4 */
@media screen and (min-width: 1601px) {
  .main {
    width: 1000px;   }
    .header {
      width: 820px;   }
      .content,#comments {
        width: 820px;   }
         #archives-content {
          padding: 10px 60px 60px 60px;  }
          #back-to-top {
           right: 200px;
           bottom: 60px;  }
}

/* 黑暗模式 */
@media (prefers-color-scheme: dark) {
    html {
        filter: invert(90%) hue-rotate(180deg);
    }

    img, video, svg, div[class*="language-"] {
        filter: invert(110%) hue-rotate(180deg);
        opacity: .8;
    }

    .iframe{
        filter: invert(1) hue-rotate(180deg); 
        opacity: .8;
    }
}


/*动画*/
@-webkit-keyframes fadeInDown {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-3px);   }
    100% {
      opacity: 1;
      -webkit-transform: translateY(0);   }
}

@-moz-keyframes fadeInDown {
  0% {
    opacity: 0;
    -moz-transform: translateY(-3px);   }
    100% {
      opacity: 1;
      -moz-transform: translateY(0);   }
}

@-o-keyframes fadeInDown {
  0% {
    opacity: 0;
    -o-transform: translateY(-3px);   }
    100% {
      opacity: 1;
      -o-transform: translateY(0);   }
}

@keyframes fadeInDown {
  0% {
    opacity: 0;
    transform: translateY(-3px);   }
    100% {
      opacity: 1;
      transform: translateY(0);   }
}


/*归档-边距*/
.archives-content {      
padding: 10px 30px 10px 60px;
}   


/*归档-年龄字体*/
.age {
    font-size: 12px;
    margin-left: 5px;
}


/*归档-年月标题上边距*/
.archive-title {      
    padding-bottom: 40px     
}   

/*归档-年月标题下边距*/
#archives h3 {      
    padding-bottom: 10px     
}   


/*归档-文章条间距*/
.brick {      
    margin-bottom: 10px     
}   

/*归档-文章条样式*/
.archives a {      
    position: relative;      
    display: block;      
    padding: 10px;      
    background-color: #f9f9f9;      
    color: #333;      
    font-style: normal;      
    line-height: 18px;
    border-radius: 5px;   
}   

/*归档-文章条里日期样式*/
.time {      
    color: #888;      
    padding-right: 10px     
}   

/*归档-文章条选中样式*/
.archives a:hover {      
    background: #eee     
}   


#archives:after {      
    clear: both;      
    display: block;      
    visibility: hidden;      
    height: 0!important;      
    content: " ";      
    font-size: 0!important;      
    line-height: 0!important     
}   


.archive-nav {      
    display: block;      
    position: fixed;      
    background: #f9f9f9;      
    width: 40px;      
    padding: 5px;      
    border: 1px solid #eee;      
    text-align: center     
}   


.year {      
    border-top: 1px solid #ddd     
}   


.month {      
    color: #ccc;      
    padding: 5px;      
    cursor: pointer;      
    background: #f9f9f9     
}   

.month.monthed {      
    color: #777     
}  

.month.selected,.month:hover {      
    background: #f2f2f2     
}   

.monthall {      
    display: none     
}   

.year.selected .monthall {      
    display: block     
}   

.year-toogle {      
    display: block;      
    padding: 5px;      
    text-decoration: none;      
    background: #eee;      
    color: #333;      
    font-weight: bold     
}   


/* Youtube嵌入代码

例如：
<div class="iframe">
<iframe src="https://www.youtube-nocookie.com/embed/nPy_Z_FcUNk" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
</div>

注意!!! 请移除 width="560" height="315"

*/
.iframe {
    overflow: hidden;
    position: relative;
    width:100%;
    border-radius: 10px;
}
 
.iframe::after {
    padding-top: 56.25%;
    display: block;
    content: '';
}
 
.iframe iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


/* 底部分页 */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 20px;
}

.pagination .center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}d

.pagination .left {
    margin-right: 10px;
}

.pagination .right {
    margin-left: 10px;
}


/* 返回顶部按钮 */
#back-to-top {
    background-color: #F5F5F5;
    font-family: Menlo;
    box-shadow: 0 0 3px #808080;
    color: #444444;
    padding: 10px 10px;
    position: fixed;
    cursor: pointer;
    display: none;
    border-radius: 10px;
}


/* MathJax */
.mjx-chtml {
  outline: 0;
}

.MJXc-display {
  overflow-x: auto;
  overflow-y: hidden;
}