@font-face{font-family:"Source Serif 4";src:url("/static/fonts/source-serif-4-latin.woff2") format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--measure:clamp(620px,68ch,700px);--font-body:"Source Serif 4",Georgia,"Iowan Old Style","Songti SC","SimSun","Noto Serif CJK SC","Source Han Serif SC",serif;--font-meta:"Cascadia Mono",Consolas,"SF Mono",ui-monospace,monospace;--font-mono:"Cascadia Mono",Consolas,"SF Mono","DejaVu Sans Mono",monospace;--size-h1:2.125rem;--size-h2:1.6875rem;--size-h3:1.375rem;--size-body:1.125rem;--size-meta:0.875rem;--space-block:2.5rem;--space-paragraph:1.25em;--space-heading-below:0.72em;--motion-fast:0.15s;--motion-ease:cubic-bezier(0.2,0,0.2,1);--ink:#1c1c1e;--ink-soft:#55555a;--paper:#f4f4f2;--panel:#ececea;--link:#1c4f86;--accent:#c99a00;--accent-text:#8a6400;--line:#c9c9c5;--line-strong:#8f8f8a;--code-bg:#e8e8e4;--pre-bg:#e2e2de;--rule:#c9c9c5;--rule-strong:#6f6f6c;--focus-ring:#1c4f86;--grid-line:rgba(28,28,30,0.045);--accent-dim:rgba(184,134,11,0.14);--on-accent:#14140f;--panel-deep:#e3e3df}@media (prefers-color-scheme: dark){:root{--ink:#e3e2df;--ink-soft:#a3a19c;--paper:#101012;--panel:#17171a;--link:#7fb0e0;--accent:#ffd902;--accent-text:#ffd902;--line:#2c2c30;--line-strong:#58585f;--code-bg:#1d1d21;--pre-bg:#17171b;--rule:#33373b;--rule-strong:#747574;--focus-ring:#7fb0e0;--grid-line:rgba(227,226,223,0.05);--accent-dim:rgba(255,217,2,0.10);--on-accent:#14140f;--panel-deep:#0b0b0d}}:root[data-theme="light"]{--ink:#1c1c1e;--ink-soft:#55555a;--paper:#f4f4f2;--panel:#ececea;--link:#1c4f86;--accent:#c99a00;--accent-text:#8a6400;--line:#c9c9c5;--line-strong:#8f8f8a;--code-bg:#e8e8e4;--pre-bg:#e2e2de;--rule:#c9c9c5;--rule-strong:#6f6f6c;--grid-line:rgba(28,28,30,0.045);--accent-dim:rgba(184,134,11,0.14);--on-accent:#14140f;--panel-deep:#e3e3df}:root[data-theme="dark"]{--ink:#e3e2df;--ink-soft:#a3a19c;--paper:#101012;--panel:#17171a;--link:#7fb0e0;--accent:#ffd902;--accent-text:#ffd902;--line:#2c2c30;--line-strong:#58585f;--code-bg:#1d1d21;--pre-bg:#17171b;--rule:#33373b;--rule-strong:#747574;--focus-ring:#7fb0e0;--grid-line:rgba(227,226,223,0.05);--accent-dim:rgba(255,217,2,0.10);--on-accent:#14140f;--panel-deep:#0b0b0d}*,*::before,*::after{box-sizing:border-box}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}a,button,input,textarea,select{transition:color var(--motion-fast) var(--motion-ease),background-color var(--motion-fast) var(--motion-ease),border-color var(--motion-fast) var(--motion-ease),outline-color var(--motion-fast) var(--motion-ease)}main a:hover,.article-body a:hover{text-decoration:underline;text-underline-offset:0.2em}button:active{color:var(--ink)}html{font-size:100%}body{margin:0;padding-inline:1.5rem;background:repeating-linear-gradient(0deg,var(--grid-line) 0,var(--grid-line) 1px,transparent 1px,transparent 32px),repeating-linear-gradient(90deg,var(--grid-line) 0,var(--grid-line) 1px,transparent 1px,transparent 32px),var(--paper);color:var(--ink);font-family:var(--font-body);font-size:var(--size-body);line-height:1.75;text-rendering:optimizeLegibility}body::before,body::after{content:"";position:fixed;left:14px;right:14px;height:14px;pointer-events:none;z-index:2;background:linear-gradient(var(--accent) 0 0) left top/26px 2px no-repeat,linear-gradient(var(--accent) 0 0) left top/2px 14px no-repeat,linear-gradient(var(--accent) 0 0) right top/26px 2px no-repeat,linear-gradient(var(--accent) 0 0) right top/2px 14px no-repeat;opacity:0.7}body::before{top:14px}body::after{bottom:14px;transform:scaleY(-1)}@media (max-width: 700px){body::before,body::after{display:none}}header,main{max-width:var(--measure);margin-inline:auto}header{padding-block:1.25rem 0}main{padding-block:3.5rem 6rem}.ak-header-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1.75rem;padding:0.5rem 1.5rem 0.5rem 0;background:var(--panel-deep);border-top:2px solid var(--accent);border-bottom:1px solid var(--line);position:relative;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}.ak-header-bar::before{content:"";position:absolute;right:0;top:0;width:18px;height:18px;background:var(--accent);clip-path:polygon(100% 0,100% 100%,0 0)}.ak-brand{display:inline-flex;align-items:center;gap:0.55rem;padding:0.28rem 1.6rem 0.28rem 0.7rem;background:var(--accent);color:var(--on-accent);font-family:var(--font-meta);font-size:1rem;font-weight:700;letter-spacing:0.16em;text-decoration:none;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%)}.ak-brand::before{content:"";flex:none;width:8px;height:8px;background:var(--on-accent);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}.ak-brand:hover{filter:brightness(1.12)}.ak-brand-sub{font-family:var(--font-meta);font-size:0.7rem;letter-spacing:0.24em;color:var(--ink-soft);user-select:none}.ak-stripe{height:6px;margin-top:0;background:repeating-linear-gradient( -45deg,var(--accent) 0 6px,transparent 6px 14px);clip-path:polygon(0 0,100% 0,calc(100% - 14px) 100%,0 100%)}.ak-nav{display:flex;flex-wrap:wrap;align-items:center;gap:0 1.4rem;margin-top:1rem}.ak-nav a{position:relative;color:var(--ink-soft);font-family:var(--font-meta);font-size:0.78rem;letter-spacing:0.16em;text-decoration:none;padding:0.15rem 0 0.15rem 0.6rem;border-left:2px solid var(--line)}.ak-nav a:hover{color:var(--accent-text);border-left-color:var(--accent);text-decoration:none}.site-footer{max-width:var(--measure);margin-inline:auto;padding-block:0 3rem;color:var(--ink);font-family:var(--font-meta);font-size:0.82rem;letter-spacing:0.04em;opacity:0.7}h1,h2,h3{font-family:var(--font-body);line-height:1.25;margin:var(--space-block) 0 var(--space-heading-below);letter-spacing:-0.012em}h1{font-size:var(--size-h1);letter-spacing:-0.022em}h2{font-size:var(--size-h2)}h3{font-size:var(--size-h3)}h1:first-child,h2:first-child,h3:first-child{margin-top:0}p{margin:0 0 var(--space-paragraph)}time{display:block;font-family:var(--font-meta);font-size:var(--size-meta);color:var(--ink-soft);letter-spacing:0.02em}.ak-title{position:relative;display:inline-block;margin-bottom:1.4rem;padding:0.3rem 2.2rem 0.3rem 1.15rem;background:var(--accent);color:var(--on-accent);font-family:var(--font-meta);font-size:1.35rem;font-weight:700;letter-spacing:0.08em;clip-path:polygon(0 0,calc(100% - 16px) 0,100% 100%,0 100%)}.ak-title::before{content:"";position:absolute;left:0.45rem;top:26%;bottom:26%;width:2px;background:var(--on-accent);opacity:0.75}.post-list{list-style:none;margin:2.5rem 0 0;padding:0;counter-reset:ak-item}.post-list li{position:relative;margin-bottom:1rem;padding:1rem 2.6rem 1.1rem 3.4rem;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);counter-increment:ak-item;transition:transform var(--motion-fast) var(--motion-ease),background-color var(--motion-fast) var(--motion-ease)}.post-list li::before{content:counter(ak-item,decimal-leading-zero);position:absolute;left:0.95rem;top:1.1rem;font-family:var(--font-meta);font-size:0.82rem;font-weight:700;letter-spacing:0.02em;color:var(--accent-text)}.post-list li::after{content:"";position:absolute;left:0.95rem;top:2.35rem;width:1.1rem;height:2px;background:var(--accent);opacity:0.6}.post-list li:hover{transform:translateX(3px);background:var(--panel-deep)}.post-list li:last-child{margin-bottom:0}.ak-card-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.post-list a{display:inline-block;font-size:1.3rem;line-height:1.4;color:var(--ink);text-decoration:none;letter-spacing:-0.005em}.post-list a:hover{color:var(--accent-text);text-decoration:none}.ak-card-head time{flex:none;font-size:0.75rem;letter-spacing:0.08em}@media (max-width: 600px){.ak-card-head{flex-direction:column;gap:0.2rem}}.tag-list{list-style:none;margin:2.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:0.75rem}.tag-list li{display:flex;align-items:baseline;justify-content:space-between;gap:0.75rem;padding:0.5rem 1rem 0.5rem 1rem;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);transition:transform var(--motion-fast) var(--motion-ease),background-color var(--motion-fast) var(--motion-ease)}.tag-list li:hover{transform:translateX(2px);background:var(--panel-deep)}.tag-list a{font-size:1rem;color:var(--ink);text-decoration:none}.tag-list a:hover{color:var(--accent-text);text-decoration:none}.tag-count{flex:none;font-family:var(--font-meta);font-size:0.72rem;letter-spacing:0.08em;color:var(--accent-text)}.search-hint,.search-empty,.search-summary,.empty-note{margin:1.75rem 0 0;font-size:0.9375rem;line-height:1.7;color:var(--ink-soft)}.empty-note{margin-top:2rem}.search-empty{color:var(--ink);font-size:1rem}.search-summary{margin-bottom:0}.article-body h2{margin-top:3rem}.article-body h3{margin-top:2.25rem}.article-body>:first-child{margin-top:0}article>h1{margin-bottom:0.4em}.ak-meta{margin:0 0 2.25rem;background:var(--panel-deep);border-left:3px solid var(--accent);clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 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10px),calc(100% - 10px) 100%,0 100%)}.article-body blockquote p:last-child{margin-bottom:0}.article-body code{font-family:var(--font-mono);font-size:0.9em;background:var(--code-bg);padding:0.12em 0.36em;border-left:2px solid var(--accent)}.article-body pre{margin:2rem 0;padding:1.1rem 1.25rem 1.1rem 1.5rem;background:var(--panel-deep);border-left:3px solid var(--accent);overflow-x:auto;position:relative}.article-body pre code{background:none;padding:0;font-size:0.9375rem;line-height:1.65}.article-body img{display:block;max-width:100%;height:auto;margin:2rem 0}.article-body table{display:block;width:100%;max-width:100%;margin:2rem 0;border-collapse:collapse;overflow-x:auto;font-size:0.95em}.article-body th,.article-body td{padding:0.5em 0.75em;border:1px solid var(--rule);text-align:left;vertical-align:top}.article-body table>tbody>tr>td:first-child{border-left-color:var(--rule-strong)}.article-body table>tbody>tr>td:last-child{border-right-color:var(--rule-strong)}.article-body table>tbody>tr:last-child>td{border-bottom-color:var(--rule-strong)}.article-body table>thead>tr>th{border-color:var(--on-accent)}.article-body th{font-weight:700;background:var(--accent);color:var(--on-accent);font-family:var(--font-meta);font-size:0.82em;letter-spacing:0.06em}.article-body tbody tr:nth-child(even){background:color-mix(in srgb,var(--accent-dim) 40%,transparent)}.article-body li:has(> input[type="checkbox"]){list-style:none;margin-left:-1.2em}.article-body input[type="checkbox"]{vertical-align:-0.1em;margin-right:0.5em}.article-body del{color:var(--ink-soft);text-decoration:line-through}.article-body .footnote-definition{display:flex;align-items:baseline;gap:0.4em;margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--rule);font-size:0.9em;color:var(--ink-soft)}.article-body .footnote-definition>p{margin:0}.article-body .footnote-definition-label{flex:none;font-size:0.85em;vertical-align:super}.article-body .footnote-reference{font-size:0.8em;vertical-align:super;line-height:0}.article-body .footnote-reference a{color:var(--link);text-decoration:none}.article-body .footnote-reference a:hover{text-decoration:underline}.ak-meta--feed{margin-bottom:1.25rem}.feed-url{width:100%;box-sizing:border-box;padding:0.35rem 0.6rem;font-family:var(--font-mono);font-size:0.85rem;background:var(--paper);color:var(--ink);border:1px solid var(--line-strong);border-left:3px solid var(--accent)}.feed-kind{font-family:var(--font-meta);font-size:0.8rem;letter-spacing:0.08em;color:var(--accent-text)}.feed-actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:2.5rem}.feed-copy{padding:0.45em 1.4em;font-family:var(--font-meta);font-size:0.85rem;font-weight:700;letter-spacing:0.1em;background:var(--accent);color:var(--on-accent);border:0;cursor:pointer;clip-path:polygon(0 0,100% 0,calc(100% - 9px) 100%,0 100%)}.feed-copy:hover{filter:brightness(1.12)}.feed-raw{font-family:var(--font-meta);font-size:0.8rem;letter-spacing:0.08em;color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--line-strong)}.feed-raw:hover{color:var(--accent-text);border-bottom-color:var(--accent)}.ak-sub{margin:2.5rem 0 1rem;padding-left:0.7rem;border-left:3px solid var(--accent);font-family:var(--font-meta);font-size:1.05rem;letter-spacing:0.06em}.feed-howto{margin:0 0 1rem;padding-left:1.6rem;color:var(--ink-soft)}.feed-howto li{margin-bottom:0.4rem}.feed-howto li::marker{color:var(--accent-text);font-family:var(--font-meta);font-weight:700}.feed-note{margin:0 0 1.5rem;font-size:0.9375rem;line-height:1.7;color:var(--ink-soft)}@media (max-width: 480px){:root{--size-h1:1.75rem;--size-h2:1.4375rem;--size-h3:1.1875rem;--size-body:1.0625rem;--space-block:2rem}body{padding-inline:1rem;overflow-wrap:break-word}header{padding-block:1.75rem 0}main{padding-block:2.5rem 4rem}.post-list a{font-size:1.25rem}.post-list p{font-size:0.9375rem}.post-list li{margin-bottom:2.25rem}.article-body pre{padding:0.9rem 1rem}.article-body pre code{font-size:0.875rem}}.theme-toggle{margin-left:0.75rem;padding:0.15em 0.6em;border:1px solid var(--line);background:none;color:var(--ink-soft);font-family:var(--font-meta);font-size:0.72rem;letter-spacing:0.14em;cursor:pointer;clip-path:polygon(0 0,calc(100% - 7px) 0,100% 7px,100% 100%,0 100%)}.theme-toggle:hover{color:var(--accent-text);border-color:var(--accent)}.article-body pre code .keyword,.article-body pre code .storage{color:#8250df}.article-body pre code .string{color:#0a6b3d}.article-body pre code .comment{color:#6e7781;font-style:italic}.article-body pre code .constant,.article-body pre code .numeric{color:#0550ae}.article-body pre code .entity,.article-body pre code .function{color:#953800}.article-body pre code .variable{color:#24292f}.article-body pre code .punctuation{color:#57606a}:root[data-theme="dark"] .article-body pre code .keyword,:root[data-theme="dark"] .article-body pre code .storage{color:#c9a0f0}:root[data-theme="dark"] .article-body pre code .string{color:#7ee0a8}:root[data-theme="dark"] .article-body pre code .comment{color:#8b949e;font-style:italic}:root[data-theme="dark"] .article-body pre code .constant,:root[data-theme="dark"] .article-body pre code .numeric{color:#79c0ff}:root[data-theme="dark"] .article-body pre code .entity,:root[data-theme="dark"] .article-body pre code .function{color:#ffa657}:root[data-theme="dark"] .article-body pre code .variable{color:#e8e6e1}:root[data-theme="dark"] .article-body pre code .punctuation{color:#8b949e}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .article-body pre code .keyword,:root:not([data-theme="light"]) .article-body pre code .storage{color:#c9a0f0}:root:not([data-theme="light"]) .article-body pre code .string{color:#7ee0a8}:root:not([data-theme="light"]) .article-body pre code .comment{color:#8b949e;font-style:italic}:root:not([data-theme="light"]) .article-body pre code .constant,:root:not([data-theme="light"]) .article-body pre code .numeric{color:#79c0ff}:root:not([data-theme="light"]) .article-body pre code .entity,:root:not([data-theme="light"]) .article-body pre code .function{color:#ffa657}:root:not([data-theme="light"]) .article-body pre code .variable{color:#e8e6e1}:root:not([data-theme="light"]) .article-body pre code .punctuation{color:#8b949e}}.admin-nav{font-family:var(--font-meta);font-size:0.9375rem;margin-bottom:2rem}.admin-nav a{margin-right:1rem}.admin-list{width:100%;border-collapse:collapse;font-size:0.9375rem}.admin-list th,.admin-list td{padding:0.5rem 0.6rem;text-align:left;border-bottom:1px solid var(--rule)}.admin-list th{font-family:var(--font-meta);font-weight:600;color:var(--ink-soft)}.admin-list tr.is-draft td{color:var(--ink-soft)}.badge-draft,.badge-published{font-family:var(--font-meta);font-size:0.8125rem;padding:0.1em 0.5em}.badge-draft{background:var(--code-bg);color:var(--ink-soft)}.badge-published{background:var(--code-bg);color:var(--link)}.inline-form{display:inline;margin:0}.link-button{padding:0;border:0;background:none;color:var(--link);font-family:inherit;font-size:inherit;line-height:inherit;text-decoration:underline;text-underline-offset:0.18em;cursor:pointer}.link-button:hover{color:var(--ink)}.search-form{display:flex;gap:0.5rem;align-items:stretch;max-width:30rem;margin:1.5rem 0 0}.search-form input[type="search"]{flex:1 1 auto;min-width:0;padding:0.5rem 0.6rem;font-size:1rem;font-family:var(--font-body);background:var(--paper);color:var(--ink);border:1px solid var(--line-strong);border-left:3px solid var(--accent)}.search-form input[type="search"]::placeholder{color:var(--ink-soft);opacity:1}.search-form button{flex:0 0 auto;padding:0.4em 1.3em;font-family:var(--font-meta);font-size:0.875rem;font-weight:700;letter-spacing:0.1em;background:var(--accent);color:var(--on-accent);border:0;cursor:pointer;clip-path:polygon(0 0,100% 0,calc(100% - 9px) 100%,0 100%)}.search-form button:hover{filter:brightness(1.12)}.login-form{max-width:22rem;margin-top:1.5rem}.login-form label{display:block;font-family:var(--font-meta);font-size:0.9375rem;margin-bottom:0.4rem}.login-form input{width:100%;padding:0.5rem 0.6rem;font-size:1rem;font-family:var(--font-body);background:var(--paper);color:var(--ink);border:1px solid var(--line-strong)}.login-form button{margin-top:0.8rem;padding:0.4em 1em;font-family:var(--font-meta);font-size:0.9375rem;background:var(--code-bg);color:var(--ink);border:1px solid var(--line-strong);cursor:pointer}.login-error{color:#b3261e;font-family:var(--font-meta);font-size:0.9375rem}.admin-saved{color:#1a7f37;font-family:var(--font-meta);font-size:0.9375rem}.login-hint,.admin-empty{font-family:var(--font-meta);font-size:0.875rem;color:var(--ink-soft)}.admin-form{max-width:46rem}.admin-form label{display:block;font-family:var(--font-meta);font-size:0.9375rem;margin:1.1rem 0 0.35rem;color:var(--ink-soft)}.admin-form input[type="text"],.admin-form input[type="date"],.admin-form textarea{width:100%;padding:0.5rem 0.6rem;font-size:1rem;font-family:var(--font-body);background:var(--paper);color:var(--ink);border:1px solid var(--line-strong)}.admin-form textarea{font-family:var(--font-mono,ui-monospace,monospace);font-size:0.9375rem;line-height:1.6;resize:vertical}.admin-form .checkbox-label{display:flex;align-items:center;gap:0.5rem;margin-top:1.2rem;color:var(--ink)}.admin-form button{margin-top:1.4rem;padding:0.45em 1.3em;font-family:var(--font-meta);font-size:0.9375rem;background:var(--code-bg);color:var(--ink);border:1px solid var(--line-strong);cursor:pointer}.field-note{font-family:var(--font-meta);font-size:0.875rem;color:var(--ink-soft);margin-top:0.5rem}.editor-shell{margin-top:0.35rem}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:0.75rem;margin-bottom:0.4rem}.editor-modes{display:inline-flex;border:1px solid var(--line-strong);overflow:hidden}.mode-btn{appearance:none;border:0;background:transparent;color:var(--ink-soft);font:inherit;font-size:0.875rem;padding:0.3rem 0.9rem;cursor:pointer}.mode-btn+.mode-btn{border-left:1px solid var(--rule)}.mode-btn.is-active{background:var(--rule);color:var(--ink)}.editor-hint{font-family:var(--font-meta);font-size:0.8125rem;color:var(--ink-soft)}.editor-surface{position:relative}.editor-surface textarea{width:100%;min-height:34rem;height:34rem;resize:vertical;font-family:var(--font-mono,ui-monospace,monospace);font-size:0.9375rem;line-height:1.6;tab-size:2}.editor-preview{height:34rem;overflow-y:auto;padding:0.75rem 1rem;border:1px solid var(--line-strong);background:var(--paper)}.editor-preview>:first-child{margin-top:0}.editor-preview>:last-child{margin-bottom:0}.editor-dropzone{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border:2px dashed var(--link);background:color-mix(in srgb,var(--paper) 82%,transparent);font-family:var(--font-meta);color:var(--ink-soft);pointer-events:none}.editor-dropzone[hidden]{display:none}.editor-preview[contenteditable="true"]{cursor:text}.editor-preview[contenteditable="true"]:focus{outline:2px solid var(--focus-ring);outline-offset:2px}.editor-uploading{position:absolute;right:0.75rem;bottom:0.75rem;padding:0.25rem 0.75rem;border:1px solid var(--line-strong);background:var(--paper);font-family:var(--font-meta);font-size:0.8125rem;color:var(--ink-soft)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media (max-width: 700px){.editor-surface textarea,.editor-preview{min-height:20rem;height:22rem}.form-row{grid-template-columns:1fr}}