/* zoom 图片放大组件 */
 #main,
  #topics,
  #mainContent,
  .postBody {
    overflow: visible;
  }
  #mainContent .forFlow {
    overflow: visible;
  }
  .zoom-overlay {
    background: transparent;
  }

 /* GitHub 跳转 */
 .github-corner :hover .octo-arm {
        animation: octocat-wave 560ms ease-in-out;
     }
 @media (max-width: 991px) {
   .github-corner >svg {
             fill: #fff !important;
             color: #222 !important;
           }
   .github-corner .github-corner:hover .octo-arm {
              animation: none;
            }
   .github-corner .github-corner .octo-arm {
              animation: octocat-wave 560ms ease-in-out;
            }
 }
 @-moz-keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }
 @-webkit-keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }
 @-o-keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }
 @keyframes octocat-wave {
   0%, 100% {
         -webkit-transform: rotate(0);
         -moz-transform: rotate(0);
         -ms-transform: rotate(0);
         -o-transform: rotate(0);
         transform: rotate(0);
       }
   20%, 60% {
         -webkit-transform: rotate(-25deg);
         -moz-transform: rotate(-25deg);
         -ms-transform: rotate(-25deg);
         -o-transform: rotate(-25deg);
         transform: rotate(-25deg);
       }
   40%, 80% {
         -webkit-transform: rotate(10deg);
         -moz-transform: rotate(10deg);
         -ms-transform: rotate(10deg);
         -o-transform: rotate(10deg);
         transform: rotate(10deg);
       }
 }