:root{--spacing-base:1.5em;--font-family-mono:monospace;--font-size-base:1em;--font-size-small:0.9em;--font-size-code:0.95em;--spacing-xs:calc(var(--spacing-base) * 0.25);--spacing-sm:calc(var(--spacing-base) * 0.5);--spacing-md:var(--spacing-base);--spacing-lg:calc(var(--spacing-base) * 2);--bg-h:0;--bg-s:0%;--bg-l:99%;--color-bg-primary:#E9E5E2;--color-bg-secondary:#DED7CD;--color-border:#C9C1B5;--color-selection-bg:#BDB4A6;--color-text-primary:#5A4E49;--color-text-muted:#82756F;--color-text-code:#5A4E49;--container-width:64ch;--pre-border-radius:0.75rem;--inline-border-radius:0.375rem;--gap-base:1em;--gap-small:0.5em;--breakpoint-mobile:600px}.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none}.no-scrollbar::-webkit-scrollbar{display:none}.list-unstyled{list-style:none;margin-left:0}.text-muted{color:var(--color-text-muted)}.no-underline{text-decoration:none;border-bottom:none}::selection{background:var(--color-selection-bg);color:var(--color-text-primary)}.skip-link{position:absolute;top:-100%;left:0;padding:var(--spacing-sm)var(--spacing-md);background:var(--color-bg-primary);border:1px solid var(--color-border);z-index:1000;opacity:0;transition:opacity .2s ease-in-out}.skip-link:focus{position:fixed;top:var(--spacing-sm);left:var(--spacing-sm);opacity:1}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--color-text-primary);outline-offset:2px}*{margin:0;padding:0;font:inherit;color:var(--color-text-primary);box-sizing:border-box}ul{list-style-type:disc;margin-left:1.5rem}ol{list-style-type:decimal;margin-left:1.5rem}html{margin:0 0 0 calc(100vw - 100%);-webkit-text-size-adjust:100%;height:100%}body{transition:opacity .3s ease-in;font:var(--font-size-base)/var(--spacing-base)var(--font-family-mono);background:var(--color-bg-primary);min-height:100%;display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:minmax(auto,var(--container-width));justify-content:center;padding:var(--spacing-lg);gap:var(--spacing-lg);font-size:12px;line-height:2;letter-spacing:.05em;-webkit-font-smoothing:antialiased}a{display:inline-block;margin-left:-.16666em;text-decoration:none;color:inherit;border-bottom:1px dotted rgba(140,67,50,.8);padding-bottom:3px;line-height:.9;text-underline-offset:2px;text-decoration-skip-ink:auto;transition:all .3s ease-in-out}a:hover{color:#8c4332;border-bottom:1px solid #8c4332}p,pre{margin:var(--spacing-base)0}h1,h2,h3,h4,h5{margin:var(--spacing-base)0;font-weight:700}h2{counter-increment:h2;counter-reset:h3}h3{counter-increment:h3;counter-reset:h4}h4{counter-increment:h4;counter-reset:h5}h5{counter-increment:h5}h2::before{content:counter(h2)". 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"}hr{border:none;border-top:1px dashed rgba(140,67,50,.5);height:0;margin:2em auto;width:60%}time{color:var(--color-text-muted)}footer{padding:calc(var(--spacing-base) * 2)0;text-align:center}footer p{margin-bottom:0}pre{border:1px solid var(--color-border);padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--pre-border-radius);white-space:pre-wrap;word-wrap:break-word;font-family:var(--font-family-mono);font-size:var(--font-size-code);line-height:1.6;color:var(--color-text-code);overflow-x:auto;box-shadow:0 1px 2px 0 var(--color-border)}pre code{background:0 0;border:none;padding:0;font-size:inherit;color:inherit}p>code,li>code,h1>code,h2>code,h3>code,h4>code,h5>code{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--inline-border-radius);padding:.2em .4em;font-family:var(--font-family-mono);font-size:var(--font-size-code);color:var(--color-text-code);white-space:pre-wrap;word-wrap:break-word}.terms-list{padding-bottom:var(--spacing-base)}.terms-list ul{list-style-type:none;margin-left:0}.terms-list ul li{display:inline-block;font-style:italic;font-size:var(--font-size-small);color:var(--color-text-muted);padding:0 3px}.path-nav{font-family:var(--font-family-mono);padding:var(--spacing-base)0;white-space:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;width:100%}.path-nav::-webkit-scrollbar{display:none}.path-nav ol{display:flex;flex-wrap:nowrap;list-style:none;margin:0;padding:0}.path-nav li{display:flex;align-items:center;color:var(--color-text-muted);flex-shrink:0;max-width:200px}.path-nav li.current{max-width:none}.path-nav li a{text-decoration:none;border-bottom:none;padding:.2em .25em;color:var(--color-text-muted);overflow:visible;display:inline-block;line-height:1.4}.path-nav li.current a{color:var(--color-text-primary);font-weight:700}.path-nav a:hover{text-decoration:underline}.back-nav{margin-bottom:var(--spacing-base)}.back-link{color:var(--color-text-muted);border-bottom:none}.back-link:hover{color:var(--color-text-primary);text-decoration:none}.time-list ul{list-style:none;margin-left:0}.time-list li{display:grid;grid-template-columns:auto 1fr;gap:var(--gap-base);align-items:start;padding:var(--spacing-sm)0}@media(max-width:600px){.time-list li{grid-template-columns:1fr;gap:var(--gap-small)}.time-list time{font-size:var(--font-size-small)}}.terminal-nav{font-family:var(--font-family-mono);border-top:1px solid var(--color-border);margin-top:calc(var(--spacing-base) * 2);padding-top:var(--spacing-base)}.terminal-nav nav ul{list-style:none;padding:0;margin:0;display:flex;gap:1em}.terminal-nav nav ul li{display:inline-block}.terminal-nav nav ul li a,.terminal-nav .back-link{color:var(--color-text-muted);border-bottom:none;text-decoration:none}.terminal-nav nav ul li a:hover,.terminal-nav .back-link:hover{color:var(--color-text-primary)}.terminal-nav nav ul li a.active{color:var(--color-text-primary);font-weight:700}.terminal-nav .back-nav{margin:calc(var(--spacing-base) * .5)0}img{display:block;max-width:100%;height:auto;margin:var(--spacing-base)auto;border:1px solid var(--color-border);padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--pre-border-radius)}figure{margin:var(--spacing-base)0;text-align:center}figure img{margin:0 auto}figcaption{color:var(--color-text-muted);font-size:var(--font-size-small);margin-top:calc(var(--spacing-base)/2)}table{width:100%;margin:var(--spacing-base)0;border-collapse:collapse}thead th,th{font-weight:700;text-align:center;border-bottom:2px solid var(--color-border);padding:var(--spacing-sm)}td{padding:var(--spacing-sm);border-bottom:1px solid var(--color-border)}strong{font-weight:700}em{font-style:italic}blockquote{background:rgba(255,255,255,.2);border-left:none;border-radius:8px;margin:1.5em 0;padding:1.5em;box-shadow:2px 2px 5px rgba(0,0,0,2%)}blockquote>:first-child{margin-top:0}blockquote>:last-child{margin-bottom:0}.toc{margin:var(--spacing-lg)0;padding:var(--spacing-md)var(--spacing-lg);background:0 0;border:none;border-left:2px solid var(--color-border);border-radius:0;box-shadow:none}.toc .toc-content a{text-decoration:none;color:var(--color-text-muted);font-size:var(--font-size-small);transition:color .3s}.toc .toc-content a:hover{color:var(--color-text-primary);text-decoration:underline dotted}.toc .toc-content ol{padding-left:1.2em;line-height:1.8}.toc .toc-content ol li{list-style-type:decimal-leading-zero!important;font-family:var(--font-family-mono);color:var(--color-text-muted);font-size:.85em}.time{margin:var(--spacing-md)0}time[datetime^="0001"]{display:none!important}@media(max-width:600px){.path-nav li{max-width:100px}.path-nav li:first-child{max-width:none}.path-nav li.current{max-width:150px}}@media(max-width:600px){body{padding-top:2em}pre{max-width:calc(100vw - 4em)}}@media print{body{background:#fff;color:#000;padding:0;display:block}header,footer,.terminal-nav,.skip-link,.toc,.back-nav{display:none!important}main{max-width:100%}a{border-bottom:none;color:#000}a[href]::after{content:" (" attr(href)")";font-size:.8em;color:gray}a[href^="#"]::after,a[href^="javascript:"]::after{content:""}pre,blockquote,img{page-break-inside:avoid}h1,h2,h3,h4,h5{page-break-after:avoid}}h1::before,h2::before,h3::before,h4::before{content:none!important;counter-increment:none!important;display:none!important}h1,h2,h3,h4{padding-left:0!important;margin-left:0!important}.quiet-rating{display:inline-block;font-size:.75em;font-weight:500;letter-spacing:.12em;color:#8c4332;opacity:.9;border:1px solid rgba(140,67,50,.4);padding:1px 8px;border-radius:3px;text-transform:uppercase;vertical-align:middle}.warning-collapse summary{cursor:pointer;font-size:.8em;color:#5a4e49;opacity:.8;text-decoration:underline;list-style:none}.y鑫-notebook p{margin:0!important;padding:0!important;text-indent:2em!important;text-align:justify}.y鑫-notebook{--notebook-line-height:2rem;margin:var(--spacing-lg)auto;padding:0 1.5rem 0 4rem;background-color:#fdfdfb;background-image:linear-gradient(var(--color-border) 1px,transparent 1px);background-size:100% var(--notebook-line-height);background-position:0 calc(var(--notebook-line-height) - 1px);border:1px solid var(--color-border);border-radius:none;box-shadow:5px 5px 20px rgba(0,0,0,7%);font-family:noto serif sc,stsong,simsun,serif!important;line-height:var(--notebook-line-height)!important;font-size:.9rem;color:var(--color-text-primary);position:relative;word-wrap:break-word;overflow:hidden}.y鑫-notebook::before{content:"";position:absolute;top:0;left:40px;width:1px;height:100%;border-left:1px solid rgba(140,67,50,.8)}.y鑫-notebook p{margin:0!important;padding:0!important}@import "assets/css/custom"