@charset "UTF-8";:root{--width: 660px;--font-scale: 1em;--background-color: #FAFAFA;--heading-color: #030303;--text-color: #030303;--link-color: #030303;--visited-color: #030303;--code-background-color: #f2f2f2;--code-color: #222;--blockquote-color: #222;--gray-color: #999}@media(prefers-color-scheme:dark){:root{--background-color: #111;--heading-color: #eee;--text-color: #ddd;--link-color: #6ab0e5;--visited-color: #8b6fcb;--code-background-color: #000;--code-color: #ddd;--blockquote-color: #ccc;--gray-color: #999}}*{box-sizing:border-box}body{font-family:MiSans;font-size:var(--font-scale);margin:auto;padding:20px;width:42em;max-width:var(--width);text-align:left;background-color:var(--background-color);word-wrap:break-word;overflow-wrap:break-word;line-height:1.8;color:var(--text-color);overflow-y:scroll;background-image:url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTE5NyIgaGVpZ2h0PSIxMTk3IiB2aWV3Qm94PSIwIDAgMTE5NyAxMTk3IiBmaWxsPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxjaXJjbGUgb3BhY2l0eT0iLjQiIGN4PSI1OTguNSIgY3k9IjU5OC41IiByPSI1OTcuNSIgc3Ryb2tlPSIjRTNFM0UzIi8+PC9zdmc+);background-position:50% 8rem;background-repeat:no-repeat;background-attachment:fixed;position:relative;z-index:1}::selection{background-color:#eceadf}html{scroll-behavior:smooth}pre,.highlight{overflow:auto;margin:20px 0;padding:0;font-size:13px;color:#4d4d4c;background:#f7f7f7;line-height:1.6}pre,pre span,code{font-family:consolas,Menlo,PingFang SC,Microsoft YaHei,monospace}code{padding:2px 4px;word-wrap:break-word;color:#555;background:#eee;border-radius:3px;font-size:13px}pre{padding:10px}pre code{padding:0;color:#eee;background:none;text-shadow:none}#back-to-top{cursor:pointer}#shuoshuo{margin:40px auto}#shuoshuo ul{list-style:none;margin:0;padding:0}#shuoshuo li.comment{margin-bottom:1.5rem;padding:1rem;background:0 0;border:1px solid #e3e3e3;border-radius:0;transition:border-color .3s ease}#shuoshuo li.comment:hover{border-color:#272727}#shuoshuo .meta{font-size:.85rem;color:#a6a6a6}#shuoshuo .body img{max-width:100%;border-radius:8px;margin-top:10px}h1,h2{font-size:1.7rem;color:var(--heading-color);display:inherit}h3,h4,h5,h6{color:var(--heading-color);display:inherit}a{color:var(--link-color);cursor:pointer;text-decoration:none;border-bottom:1px solid transparent}a:hover,a[aria-current*=page]{border-bottom:1px solid}nav a{margin-right:8px}nav a.active{border-bottom:1px solid}strong,b{color:var(--heading-color)}button{margin:0;cursor:pointer}table{width:100%}hr{border:0;border-top:1px dashed}img{max-width:100%;height:auto}time,.intro{color:var(--gray-color)}code{font-family:monospace;padding:2px;background-color:var(--code-background-color);color:var(--code-color);border-radius:4px}blockquote{margin:auto;border-left:1px solid #999;color:var(--code-color);padding-left:20px;font-style:normal}header,footer{padding:20px 0}.title a:hover{text-decoration:none;border:none}.title img{max-width:200px;user-select:none}.title h1,.title h2{font-size:1.5em}ul.posts{list-style-type:none;padding:unset}ul.posts li{display:flex;margin:10px 0}ul.posts li span{flex:0 0 115px}ul.posts li a:visited{color:var(--visited-color)}@media(max-width:600px){:root{--font-scale: 1em}body{width:auto;padding:14px;line-height:1.7}h1,h2{font-size:1.5rem}.title{text-align:center}ul.posts li span{flex:0 0 90px}input{width:100%}input[type=submit]{width:auto;padding:9px 14px 10px}nav{text-align:center}nav a{margin-right:6px}}.post-content ol,.post-content ul{padding-left:30px}.post-content a{border-bottom:1px solid;transition:all .1s linear}.post-content a:hover{background:#eee}.author{width:80px;border-radius:10px}.post-content a.no-link{border:none;background:none}@keyframes fade-in{0%{opacity:0}}@keyframes fade-out{to{opacity:0}}@keyframes slide-from-right{0%{transform:translate(30px)}}@keyframes slide-to-left{to{transform:translate(-30px)}}::view-transition-old(root){animation:.18s cubic-bezier(.4,0,1,1) both fade-out,.3s cubic-bezier(.4,0,.2,1) both slide-to-left}::view-transition-new(root){animation:.42s cubic-bezier(0,0,.2,1) 90ms both fade-in,.3s cubic-bezier(.4,0,.2,1) both slide-from-right}.blog-layout{position:relative}.blog-sidebar{width:280px;max-height:calc(100vh - 40px);position:fixed;right:20px;top:20px}.toc-container{max-height:80vh;overflow-y:auto;padding:1.5rem;background:var(--background-color);border:1px solid var(--gray-color);border-radius:8px;font-size:.9rem}.toc-container[data-has-content=false]{display:none}.toc-header{font-weight:700;font-size:1.1rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--heading-color)}.toc-empty{color:var(--gray-color);font-style:italic}.toc-list{list-style:none;padding-left:0;margin:0}.toc-list .toc-list{padding-left:1rem;margin-top:.25rem}.toc-link{display:block;padding:.25rem .5rem;color:var(--text-color);text-decoration:none;border-left:2px solid transparent;line-height:1.5}.toc-link:hover{background:var(--code-background-color)}.toc-link.active{color:var(--link-color);font-weight:500;border-left-color:var(--link-color);background:var(--code-background-color)}.toc-level-2>.toc-link{font-weight:500}.toc-level-3>.toc-link{font-size:.9em}.toc-level-4>.toc-link{font-size:.85em;opacity:.9}.toc-container::-webkit-scrollbar{width:4px}.toc-container::-webkit-scrollbar-track{background:transparent}.toc-container::-webkit-scrollbar-thumb{background:var(--gray-color);border-radius:2px}.toc-container::-webkit-scrollbar-thumb:hover{background:var(--text-color)}@media(max-width:1200px){.toc-container{display:none}.blog-sidebar{position:relative;right:auto;top:auto;width:100%;margin-bottom:1em}}.categories-grid{width:100%}.categories-item{width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.categories-item a{display:block;width:100%;text-decoration:none;border:1px solid transparent;background-color:#f0f0f0;padding:10px;border-radius:5px;transition:all .1s linear}.categories-item a:hover{border:1px solid}.tags{margin-top:30px;color:var(--gray-color);display:flex;flex-wrap:wrap}.tags a{margin:0 15px 15px 0;display:inline-flex}#discourse-comments{border:1px solid #d0d7de;background:#fff;padding:1em 0;margin-bottom:1em;border-radius:10px;box-sizing:content-box}#discourse-comments iframe{padding:0 1em}.indextitle{font-size:1.17em;margin:1em 0;color:var(--heading-color);font-weight:700}.loading-overlay[data-astro-cid-52om46wh]{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--background-color);display:flex;justify-content:center;align-items:center;z-index:9999;opacity:1;transition:opacity .3s ease-out}.loading-overlay[data-astro-cid-52om46wh].hidden{opacity:0;pointer-events:none}.loading-spinner[data-astro-cid-52om46wh]{text-align:center}.spinner[data-astro-cid-52om46wh]{width:40px;height:40px;border:3px solid var(--gray-color);border-top:3px solid var(--link-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}.loading-text[data-astro-cid-52om46wh]{color:var(--text-color);font-size:.9rem;margin:0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}