:root{color-scheme:light;--bg-color:#fff;--text-color:#333;--text-secondary:#666;--border-color:#eee;--border-color-light:#f0f0f0;--link-color:#0066cc;--link-hover-color:#0052a3;--link-visited-color:#551a8b;--hover-color:#0066cc;--hover-color-dark:#0052a3;--code-bg:#f5f5f5;--tag-bg:#f0f0f0;--tag-hover-bg:#e0e0e0;--category-bg:#e8f4f8;--category-hover-bg:#d0e8f2;--category-text:#0066cc;--blockquote-border:#ddd;--table-border:#ddd;--table-header-bg:#f0f0f0;--table-stripe-bg:#fafafa;--admonition-note-title-color:#0969da;--admonition-tip-title-color:#1a7f37;--admonition-important-title-color:#8250df;--admonition-warning-title-color:#9a6700;--admonition-caution-title-color:#d1242f;--code-block-header-border:#e0e0e0;--code-lang-color:#888;--code-copy-color:#555;--code-copy-success-color:#1a7f37;--draft-title-color:#cc6600;--modified-date-color:var(--text-secondary);--kbd-bg:#f0f0f0;--kbd-border:#b4b4b4;--streak-cell-empty:#ebedf0;--streak-cell-l1:#9ecaf0;--streak-cell-l2:#5499d5;--streak-cell-l3:#2270bd;--streak-cell-l4:#0066cc;--dark-bg-color:#1a1a1a;--dark-text-color:#e0e0e0;--dark-text-secondary:#a0a0a0;--dark-border-color:#333;--dark-border-color-light:#2a2a2a;--dark-link-color:#6eb3ff;--dark-link-hover-color:#8cc5ff;--dark-link-visited-color:#b399ff;--dark-hover-color:#6eb3ff;--dark-hover-color-dark:#8cc5ff;--dark-code-bg:#2a2a2a;--dark-tag-bg:#2a2a2a;--dark-tag-hover-bg:#333;--dark-category-bg:#1a3a4a;--dark-category-hover-bg:#2a4a5a;--dark-category-text:#6eb3ff;--dark-blockquote-border:#444;--dark-table-border:#404040;--dark-table-header-bg:#2a2a2a;--dark-table-stripe-bg:#222222;--dark-admonition-note-title-color:#58a6ff;--dark-admonition-tip-title-color:#3fb950;--dark-admonition-important-title-color:#a371f7;--dark-admonition-warning-title-color:#d29922;--dark-admonition-caution-title-color:#f85149;--dark-code-block-header-border:#393932;--dark-code-lang-color:#999;--dark-code-copy-color:#bbb;--dark-code-copy-success-color:#3fb950;--dark-draft-title-color:#ffab40;--dark-modified-date-color:var(--dark-text-secondary);--dark-kbd-bg:#3a3a3a;--dark-kbd-border:#666;--dark-streak-cell-empty:#21262d;--dark-streak-cell-l1:#1a3b5c;--dark-streak-cell-l2:#1d5fa0;--dark-streak-cell-l3:#3487d8;--dark-streak-cell-l4:#6eb3ff}@media (prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--bg-color:var(--dark-bg-color);--text-color:var(--dark-text-color);--text-secondary:var(--dark-text-secondary);--border-color:var(--dark-border-color);--border-color-light:var(--dark-border-color-light);--link-color:var(--dark-link-color);--link-hover-color:var(--dark-link-hover-color);--link-visited-color:var(--dark-link-visited-color);--hover-color:var(--dark-hover-color);--hover-color-dark:var(--dark-hover-color-dark);--code-bg:var(--dark-code-bg);--tag-bg:var(--dark-tag-bg);--tag-hover-bg:var(--dark-tag-hover-bg);--category-bg:var(--dark-category-bg);--category-hover-bg:var(--dark-category-hover-bg);--category-text:var(--dark-category-text);--blockquote-border:var(--dark-blockquote-border);--table-border:var(--dark-table-border);--table-header-bg:var(--dark-table-header-bg);--table-stripe-bg:var(--dark-table-stripe-bg);--admonition-note-title-color:var(--dark-admonition-note-title-color);--admonition-tip-title-color:var(--dark-admonition-tip-title-color);--admonition-important-title-color:var(--dark-admonition-important-title-color);--admonition-warning-title-color:var(--dark-admonition-warning-title-color);--admonition-caution-title-color:var(--dark-admonition-caution-title-color);--code-block-header-border:var(--dark-code-block-header-border);--code-lang-color:var(--dark-code-lang-color);--code-copy-color:var(--dark-code-copy-color);--code-copy-success-color:var(--dark-code-copy-success-color);--draft-title-color:var(--dark-draft-title-color);--modified-date-color:var(--dark-modified-date-color);--kbd-bg:var(--dark-kbd-bg);--kbd-border:var(--dark-kbd-border);--streak-cell-empty:var(--dark-streak-cell-empty);--streak-cell-l1:var(--dark-streak-cell-l1);--streak-cell-l2:var(--dark-streak-cell-l2);--streak-cell-l3:var(--dark-streak-cell-l3);--streak-cell-l4:var(--dark-streak-cell-l4)}}:root[data-theme="dark"]{color-scheme:dark;--bg-color:var(--dark-bg-color);--text-color:var(--dark-text-color);--text-secondary:var(--dark-text-secondary);--border-color:var(--dark-border-color);--border-color-light:var(--dark-border-color-light);--link-color:var(--dark-link-color);--link-hover-color:var(--dark-link-hover-color);--link-visited-color:var(--dark-link-visited-color);--hover-color:var(--dark-hover-color);--hover-color-dark:var(--dark-hover-color-dark);--code-bg:var(--dark-code-bg);--tag-bg:var(--dark-tag-bg);--tag-hover-bg:var(--dark-tag-hover-bg);--category-bg:var(--dark-category-bg);--category-hover-bg:var(--dark-category-hover-bg);--category-text:var(--dark-category-text);--blockquote-border:var(--dark-blockquote-border);--table-border:var(--dark-table-border);--table-header-bg:var(--dark-table-header-bg);--table-stripe-bg:var(--dark-table-stripe-bg);--admonition-note-title-color:var(--dark-admonition-note-title-color);--admonition-tip-title-color:var(--dark-admonition-tip-title-color);--admonition-important-title-color:var(--dark-admonition-important-title-color);--admonition-warning-title-color:var(--dark-admonition-warning-title-color);--admonition-caution-title-color:var(--dark-admonition-caution-title-color);--code-block-header-border:var(--dark-code-block-header-border);--code-lang-color:var(--dark-code-lang-color);--code-copy-color:var(--dark-code-copy-color);--code-copy-success-color:var(--dark-code-copy-success-color);--draft-title-color:var(--dark-draft-title-color);--modified-date-color:var(--dark-modified-date-color);--kbd-bg:var(--dark-kbd-bg);--kbd-border:var(--dark-kbd-border);--streak-cell-empty:var(--dark-streak-cell-empty);--streak-cell-l1:var(--dark-streak-cell-l1);--streak-cell-l2:var(--dark-streak-cell-l2);--streak-cell-l3:var(--dark-streak-cell-l3);--streak-cell-l4:var(--dark-streak-cell-l4)}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;margin:0;padding:0;color:var(--text-color);background:var(--bg-color);transition:background-color 0.3s ease,color 0.3s ease}.site-container{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--bg-color);border-right:2px solid var(--border-color);position:fixed;top:0;left:0;height:100vh;overflow-y:auto;padding:30px 20px;z-index:100}.sidebar::-webkit-scrollbar{display:none}.sidebar{-ms-overflow-style:none;scrollbar-width:none}.sidebar-content{display:flex;flex-direction:column;gap:30px}.sidebar-mobile-bar{display:none}.sidebar-mobile-title a{color:var(--text-color);text-decoration:none;font-size:1.2em;font-weight:600;transition:color 0.2s ease}.sidebar-mobile-title a:hover{color:var(--link-hover-color)}.burger-menu{background:none;border:none;color:var(--text-color);cursor:pointer;font-size:1.4em;padding:4px 8px;line-height:1;transition:color 0.2s ease;flex-shrink:0;width:36px;text-align:center}.burger-menu::before{content:'☰'}.burger-menu:hover{color:var(--link-hover-color)}.burger-menu:focus{outline:2px solid var(--hover-color);outline-offset:2px}.sidebar.sidebar-expanded .burger-menu::before{content:'✕'}.sidebar-header{text-align:center;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.sidebar-logo{margin-bottom:10px}.sidebar-logo a{display:block}.sidebar-logo img{max-width:140px;max-height:140px;width:auto;height:auto;border-radius:50%}.sidebar-title{text-align:center}.sidebar-title h1{font-size:1.8em;margin:0 0 10px 0;color:var(--text-color)}.sidebar-title h1 a{color:var(--text-color);text-decoration:none;transition:color 0.2s ease}.sidebar-title h1 a:hover{color:var(--link-hover-color)}.sidebar-subtitle{font-size:0.95em;color:var(--text-secondary);margin:0;font-weight:normal}.sidebar-pages{padding-bottom:12px;border-bottom:1px solid var(--border-color)}.sidebar-section{padding-bottom:12px;border-bottom:1px solid var(--border-color)}.sidebar-section:last-child{border-bottom:none}.sidebar-section h2{font-size:1.2em;margin:0 0 15px 0;color:var(--text-color)}.sidebar-links{list-style:none;margin:0;padding:0}.sidebar-links li{margin-bottom:5px}.sidebar-links a{color:var(--link-color);text-decoration:none;display:block;transition:color 0.2s ease}.sidebar-links a:hover{color:var(--link-hover-color)}.sidebar-socials{display:flex;flex-wrap:wrap;gap:4px}.sidebar-socials a{color:var(--link-color);font-size:1.44em;line-height:1;transition:color 0.2s ease,transform 0.2s ease;display:inline-block;text-decoration:none}.sidebar-socials a i{color:inherit;display:inline-block;text-align:center;width:1.25em}.sidebar-socials a:hover{color:var(--link-hover-color);transform:scale(1.1)}.main-wrapper{flex:1;margin-left:280px;max-width:calc(100vw - 280px - 40px);width:100%;padding:20px}@media (min-width:1120px){.main-wrapper{max-width:800px}}.site-container:not(:has(.sidebar)) .main-wrapper{margin-left:auto;margin-right:auto;max-width:800px}@media (max-width:768px){.site-container{flex-direction:column}.sidebar{position:relative;width:100%;height:auto;border-right:none;border-bottom:2px solid var(--border-color);padding:12px 20px;order:-1}.sidebar-mobile-bar{display:flex;align-items:center;justify-content:space-between;width:100%}.sidebar-mobile-spacer{width:36px;flex-shrink:0}.sidebar-mobile-title{flex:1;text-align:center}.sidebar-content{display:none}.sidebar.sidebar-expanded .sidebar-content{display:flex;gap:20px;padding-top:16px}.sidebar.sidebar-expanded .sidebar-mobile-title{display:none}.sidebar-logo{padding-bottom:15px}.sidebar-logo img{max-width:140px;max-height:140px}.sidebar-pages{padding-bottom:12px}.sidebar-section{padding-bottom:12px}.sidebar-section h2{font-size:1em;margin-bottom:10px}.sidebar-links li{display:inline-block;margin-right:15px;margin-bottom:5px}.sidebar-socials{gap:12px}.sidebar-socials a{font-size:1.5em}.main-wrapper{margin-left:0;max-width:100%;padding:15px}header nav{flex-direction:column;gap:15px}header ul{flex-wrap:wrap;justify-content:center}.post-header h1{font-size:1.8em}}a{color:var(--link-color);text-decoration:underline}a:hover{color:var(--link-hover-color)}a:visited{color:var(--link-visited-color)}header{border-bottom:2px solid var(--border-color);padding-bottom:20px;margin-bottom:40px}header nav{display:flex;justify-content:space-between;align-items:center}header h1{margin:0;font-size:1.8em;line-height:1}header h1 a{color:var(--text-color);text-decoration:none}header ul{list-style:none;display:flex;align-items:center;gap:20px;margin:0;padding:0}header ul a{color:var(--text-secondary);text-decoration:none}header ul a:hover{color:var(--text-color)}main{min-height:60vh}article.post{margin-bottom:60px}.post-header{margin-bottom:30px}.post-header h1{margin:0 0 10px 0;font-size:2.2em;line-height:1.2}.post-header time{color:var(--text-secondary);font-size:0.9em}.modified-date{color:var(--modified-date-color);font-style:italic;font-size:0.9em}time a,time a:link,time a:visited{color:var(--text-secondary);text-decoration:none}.category{margin-top:10px}.category-link{display:inline-block;background:var(--category-bg);padding:6px 16px;border-radius:4px;font-size:0.9em;text-decoration:none;color:var(--category-text);font-weight:600}.category-link:hover{background:var(--category-hover-bg);color:var(--hover-color-dark)}.tags{display:flex;flex-wrap:wrap;gap:6px 8px;margin-top:10px}.tag{background:var(--tag-bg);padding:4px 12px;border-radius:4px;font-size:0.85em;text-decoration:none;color:var(--text-secondary)}.tag:hover{background:var(--tag-hover-bg);color:var(--text-color)}.post-navigation{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:30px 0;padding:0}.post-navigation-top{margin-bottom:20px;padding-bottom:0}.post-navigation-bottom{margin-top:20px;padding-top:0}.post-nav-link{display:inline-flex;align-items:center;padding:8px 14px;background:var(--tag-bg);border:1px solid var(--border-color);border-radius:6px;text-decoration:none;color:var(--text-color);font-size:0.85em;transition:all 0.2s ease;max-width:45%}.post-nav-link:hover{background:var(--tag-hover-bg);border-color:var(--hover-color);color:var(--hover-color);transform:translateY(-1px)}.post-nav-prev{margin-right:auto}.post-nav-next{margin-left:auto}.post-nav-label{font-weight:500}.post-nav-spacer{flex:0 0 auto}@media (max-width:768px){.post-navigation{gap:10px}.post-nav-link{padding:6px 10px;font-size:0.8em;max-width:48%}}.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin:30px 0;flex-wrap:wrap}.pagination-link{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;background:var(--tag-bg);border:1px solid var(--border-color);border-radius:6px;text-decoration:none;color:var(--text-color);font-size:0.85em;transition:all 0.2s ease;min-width:2.5em}.pagination-link:hover{background:var(--tag-hover-bg);border-color:var(--hover-color);color:var(--hover-color);transform:translateY(-1px)}.pagination-prev,.pagination-next{min-width:auto;padding:8px 16px}.pagination-current{background:var(--hover-color);border-color:var(--hover-color);color:var(--bg-color);font-weight:600;cursor:default;pointer-events:none}.pagination-current:hover{transform:none}.pagination-ellipsis{color:var(--text-secondary);padding:0 4px;font-size:0.85em}@media (max-width:768px){.pagination-link{padding:6px 10px;font-size:0.8em;min-width:2em}.pagination-prev,.pagination-next{padding:6px 12px}}.backlinks{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.backlinks-heading{font-size:1.1em;font-weight:600;margin-bottom:1rem;color:var(--text-secondary)}.backlinks-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem}.backlink-item{padding:0.75rem 1rem;background:var(--tag-bg);border:1px solid var(--border-color-light);border-radius:6px}.backlink-meta{display:flex;align-items:baseline;gap:0.75rem;flex-wrap:wrap;margin-bottom:0.4rem}.backlink-title{font-weight:600;text-decoration:none;color:var(--link-color)}.backlink-title:hover{color:var(--link-hover-color);text-decoration:underline}.backlink-date{font-size:0.85em;color:var(--text-secondary)}.backlink-snippet{font-size:0.9em;color:var(--text-secondary);margin:0;font-style:italic;line-height:1.5}.backlink-link-text{color:var(--text-color);font-style:normal;font-weight:600}.comment-invite{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.comment-invite-content{padding:0.75rem 1rem;background:var(--tag-bg);border:1px solid var(--border-color-light);border-radius:6px;color:var(--text-secondary);font-size:0.9em;margin:0}.comment-invite-link{color:var(--link-color);text-decoration:none}.comment-invite-link:hover{color:var(--link-hover-color);text-decoration:underline}.post-content{font-size:1.05em}.post-content h1,.post-content h2,.post-content h3{margin-top:1.5em;margin-bottom:0.5em}.post-content h2,.post-content h3,.post-content h4,.post-content h5,.post-content h6{position:relative}.heading-anchor{opacity:0;transition:opacity 0.15s ease;margin-left:0.35em;font-size:0.7em;font-weight:normal;color:var(--link-color);text-decoration:none;user-select:none;vertical-align:middle}.post-content h2:hover .heading-anchor,.post-content h3:hover .heading-anchor,.post-content h4:hover .heading-anchor,.post-content h5:hover .heading-anchor,.post-content h6:hover .heading-anchor{opacity:1}.post-content code{background:var(--code-bg);padding:2px 6px;border-radius:3px;font-size:0.9em}.post-content kbd{background:var(--kbd-bg);border:1px solid var(--kbd-border);border-bottom-width:2px;border-radius:3px;font-family:monospace;font-size:0.85em;padding:1px 5px;white-space:nowrap}.post-content pre{background:var(--code-bg);padding:15px;border-radius:5px;overflow-x:auto}.post-content pre code{background:none;padding:0}.post-content img{max-width:100%;height:auto}img[src*="#centre"]{display:block;margin:auto}.post-content blockquote{border-left:4px solid var(--blockquote-border);margin:0;padding-left:20px;color:var(--text-secondary)}.post-content table{border-collapse:collapse;width:100%;margin:1.5em 0;font-size:0.95em;overflow-x:auto;display:block}.post-content table th,.post-content table td{border:1px solid var(--table-border);padding:8px 14px;text-align:left;vertical-align:top}.post-content table thead th{background:var(--table-header-bg);font-weight:600}.post-content table tbody tr:nth-child(even){background:var(--table-stripe-bg)}.post-content .admonition{margin:1.5em 0;padding:0;border-left:4px solid;border-radius:4px;background-color:var(--code-bg)}.post-content .admonition-title{padding:8px 12px;font-weight:600;display:flex;align-items:center;gap:8px}.post-content .admonition-content{padding:8px 12px 12px 12px}.post-content .admonition-content>*:first-child{margin-top:0}.post-content .admonition-content>*:last-child{margin-bottom:0}.post-content .admonition-note{border-left-color:#0969da}.post-content .admonition-note .admonition-title{color:var(--admonition-note-title-color)}.post-content .admonition-tip{border-left-color:#1a7f37}.post-content .admonition-tip .admonition-title{color:var(--admonition-tip-title-color)}.post-content .admonition-important{border-left-color:#8250df}.post-content .admonition-important .admonition-title{color:var(--admonition-important-title-color)}.post-content .admonition-warning{border-left-color:#9a6700}.post-content .admonition-warning .admonition-title{color:var(--admonition-warning-title-color)}.post-content .admonition-caution{border-left-color:#d1242f}.post-content .admonition-caution .admonition-title{color:var(--admonition-caution-title-color)}.post-content .footnote{font-size:0.85em}.post-summary{margin-bottom:40px;padding-bottom:30px;border-bottom:1px solid var(--border-color)}.post-summary:last-child{border-bottom:none}.post-summary h2{margin:0 0 10px 0;font-size:1.6em}.post-summary h2 a{color:var(--text-color);text-decoration:none}.post-summary h2 a:hover{color:var(--hover-color)}.post-summary.draft-post h2 a,.post.draft-post .post-header h1{color:var(--draft-title-color)}.post-summary time{color:var(--text-secondary);font-size:0.9em}.post-list{list-style:none;padding:0}.post-list li{margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid var(--border-color-light)}.post-list li:last-child{border-bottom:none}.post-list time{display:inline-block;min-width:100px;color:var(--text-secondary);font-size:0.9em}.post-list a{color:var(--text-color);text-decoration:none}.post-list a:hover{color:var(--hover-color)}footer{margin-top:60px;padding-top:20px;border-top:2px solid var(--border-color);text-align:center;color:var(--text-secondary);font-size:0.9em}footer a{color:var(--text-secondary)}footer a:hover{color:var(--text-color)}.theme-toggle{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;font-size:1.2em;display:flex;align-items:center;transition:all 0.2s ease;opacity:0.7}.theme-toggle:hover{opacity:1;background:var(--tag-bg)}.theme-toggle:focus{outline:2px solid var(--hover-color);outline-offset:2px;opacity:1}.theme-toggle .icon{font-size:1em;line-height:1}.theme-toggle .theme-label{display:none}.theme-toggle .light-icon{display:none}.theme-toggle .dark-icon{display:inline}[data-theme="dark"] .theme-toggle .light-icon{display:inline}[data-theme="dark"] .theme-toggle .dark-icon{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme]) .theme-toggle .light-icon{display:inline}:root:not([data-theme]) .theme-toggle .dark-icon{display:none}}.highlight{border-radius:5px;overflow-x:auto;position:relative}.highlight pre{background:inherit;margin:0;padding:10px 15px;line-height:125%;overflow-x:auto}.code-block-header{background:var(--code-bg);display:flex;align-items:center;justify-content:space-between;padding:4px 8px 4px 12px;border-bottom:1px solid var(--code-block-header-border)}.code-block-lang{font-size:0.72em;color:var(--code-lang-color);font-family:monospace;user-select:none}.code-block-copy{background:none;border:none;cursor:pointer;color:var(--code-copy-color);padding:2px 4px;border-radius:3px;font-size:0.85em;line-height:1;opacity:0.5;transition:opacity 0.15s}.code-block-copy:hover{opacity:1}.code-block-copy.copied{color:var(--code-copy-success-color);opacity:1}