.toast-viewport[data-v-50741c65]{z-index:1200;right:max(18px, env(safe-area-inset-right));bottom:max(18px, env(safe-area-inset-bottom));pointer-events:none;gap:10px;width:min(380px,100vw - 36px);display:grid;position:fixed}.toast[data-v-50741c65]{pointer-events:auto;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);box-shadow:var(--shadow);border-radius:14px;grid-template-columns:auto 1fr auto;align-items:center;gap:11px;padding:13px 12px 13px 15px;display:grid}.toast--success[data-v-50741c65]>:first-child{color:var(--success)}.toast--error[data-v-50741c65]>:first-child{color:var(--danger)}.toast--info[data-v-50741c65]>:first-child{color:var(--accent-dark)}.toast__close[data-v-50741c65]{cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;width:44px;height:44px;display:grid}.toast__close[data-v-50741c65]:hover{background:var(--surface-soft)}.toast-enter-active[data-v-50741c65],.toast-leave-active[data-v-50741c65]{transition:opacity .2s var(--ease), transform .2s var(--ease)}.toast-enter-from[data-v-50741c65],.toast-leave-to[data-v-50741c65]{opacity:0;transform:translateY(10px)}@media (width<=560px){.toast-viewport[data-v-50741c65]{right:14px;bottom:max(14px, env(safe-area-inset-bottom));width:calc(100vw - 28px)}}.site-header[data-v-ebdf2206]{z-index:100;height:var(--header-height);background:color-mix(in srgb, var(--bg) 82%, transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid #0000;transition:border-color .2s,box-shadow .2s;position:sticky;top:0}.site-header--scrolled[data-v-ebdf2206]{border-color:var(--border);box-shadow:0 8px 26px #1412100a}.header-inner[data-v-ebdf2206]{justify-content:space-between;align-items:center;gap:24px;height:100%;display:flex}.brand[data-v-ebdf2206]{min-height:44px;font-family:var(--font-serif);letter-spacing:0;align-items:center;gap:10px;font-size:19px;font-weight:800;display:inline-flex}.brand__mark[data-v-ebdf2206]{object-fit:contain;flex:none;width:31px;height:40px}.nav[data-v-ebdf2206]{align-items:center;gap:6px;display:flex}.nav a[data-v-ebdf2206]{min-height:44px;color:var(--ink-soft);border-radius:999px;align-items:center;padding:0 14px;font-size:14px;font-weight:700;display:inline-flex}.nav a[data-v-ebdf2206]:hover,.nav a.is-active[data-v-ebdf2206]{background:var(--surface-soft);color:var(--ink)}.nav a.is-active[data-v-ebdf2206]{box-shadow:inset 0 -2px var(--accent)}.header-actions[data-v-ebdf2206]{align-items:center;gap:4px;display:flex}.icon-btn[data-v-ebdf2206]{cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;width:44px;height:44px;transition:background .18s,color .18s;display:grid}.icon-btn[data-v-ebdf2206]:hover{background:var(--surface-soft);color:var(--accent-dark)}.menu-btn[data-v-ebdf2206],.mobile-search-link[data-v-ebdf2206]{display:none}.search-panel[data-v-ebdf2206]{border-block:1px solid var(--border);background:var(--bg-elevated);box-shadow:var(--shadow-sm);position:absolute;top:100%;left:0;right:0}.search-form[data-v-ebdf2206]{grid-template-columns:auto 1fr auto;align-items:center;gap:14px;min-height:82px;display:grid}.search-form input[data-v-ebdf2206]{width:100%;height:52px;color:var(--ink);background:0 0;border:0;outline:0;font-size:18px}.search-form input[data-v-ebdf2206]::placeholder{color:var(--muted)}.search-drop-enter-active[data-v-ebdf2206],.search-drop-leave-active[data-v-ebdf2206]{transition:opacity .2s var(--ease), transform .2s var(--ease)}.search-drop-enter-from[data-v-ebdf2206],.search-drop-leave-to[data-v-ebdf2206]{opacity:0;transform:translateY(-7px)}@media (width<=720px){.brand__name[data-v-ebdf2206]{text-overflow:ellipsis;white-space:nowrap;max-width:145px;overflow:hidden}.header-search[data-v-ebdf2206]{display:none}.menu-btn[data-v-ebdf2206]{display:grid}.nav[data-v-ebdf2206]{inset:var(--header-height) 0 auto;min-height:calc(100vh - var(--header-height));min-height:calc(100dvh - var(--header-height));padding:22px 20px max(32px, env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--bg);opacity:0;visibility:hidden;flex-direction:column;align-items:stretch;gap:6px;transition:opacity .2s,transform .2s,visibility .2s;display:flex;position:fixed;transform:translateY(-8px)}.nav--open[data-v-ebdf2206]{opacity:1;visibility:visible;transform:translateY(0)}.nav a[data-v-ebdf2206],.mobile-search-link[data-v-ebdf2206]{min-height:56px;color:var(--ink);background:0 0;border:1px solid #0000;border-radius:14px;justify-content:flex-start;padding:0 18px;font-size:18px;font-weight:750}.nav a[data-v-ebdf2206]:hover,.nav a.is-active[data-v-ebdf2206],.mobile-search-link[data-v-ebdf2206]:hover{border-color:var(--border);background:var(--surface);box-shadow:none}.mobile-search-link[data-v-ebdf2206]{cursor:pointer;align-items:center;gap:10px;display:flex}}.site-footer[data-v-cdd6360c]{border-top:1px solid var(--border);background:var(--bg-elevated);position:relative}.footer-main[data-v-cdd6360c]{grid-template-columns:minmax(0,1.5fr) minmax(220px,.5fr);gap:48px;padding-block:62px 48px;display:grid}.footer-intro[data-v-cdd6360c]{max-width:620px}.footer-intro>svg[data-v-cdd6360c]{color:var(--accent-dark)}.footer-intro h2[data-v-cdd6360c]{font-family:var(--font-serif);letter-spacing:0;margin:14px 0 8px;font-size:30px}.footer-intro p[data-v-cdd6360c]{color:var(--muted);margin:0}.footer-links[data-v-cdd6360c]{align-content:start;display:grid}.footer-links a[data-v-cdd6360c]{border-bottom:1px solid var(--border);min-height:46px;color:var(--ink-soft);justify-content:space-between;align-items:center;gap:12px;font-weight:700;display:flex}.footer-links a[data-v-cdd6360c]:hover{color:var(--accent-dark)}.footer-bottom[data-v-cdd6360c]{border-top:1px solid var(--border);min-height:64px;color:var(--muted);justify-content:space-between;align-items:center;gap:18px;font-size:13px;display:flex}@media (width<=720px){.footer-main[data-v-cdd6360c]{grid-template-columns:1fr;gap:30px;padding-block:44px 36px}.footer-bottom[data-v-cdd6360c]{flex-direction:column;justify-content:center;align-items:flex-start;padding-block:16px}}.back-top[data-v-07666d70]{z-index:90;right:max(20px, env(safe-area-inset-right));bottom:max(22px, env(safe-area-inset-bottom));border:1px solid var(--border-strong);background:var(--surface);width:48px;height:48px;color:var(--ink);box-shadow:var(--shadow-sm);cursor:pointer;border-radius:50%;place-items:center;transition:transform .18s,background .18s,color .18s;display:grid;position:fixed}.back-top[data-v-07666d70]:hover{background:var(--ink);color:var(--bg);transform:translateY(-3px)}.back-top-enter-active[data-v-07666d70],.back-top-leave-active[data-v-07666d70]{transition:opacity .2s,transform .2s}.back-top-enter-from[data-v-07666d70],.back-top-leave-to[data-v-07666d70]{opacity:0;transform:translateY(8px)}@media (width<=720px){.back-top[data-v-07666d70]{right:14px;bottom:max(14px, env(safe-area-inset-bottom));width:44px;height:44px}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f3ed;--bg-elevated:#fbfaf7;--surface:#fff;--surface-soft:#eeebe4;--ink:#171717;--ink-soft:#45423f;--muted:#716d68;--border:#d8d3ca;--border-strong:#aaa39a;--accent:#d94d68;--accent-dark:#ad2944;--accent-soft:#f8dce2;--success:#1d7a55;--danger:#b42318;--code-bg:#171717;--code-fg:#f7f3eb;--shadow:0 18px 60px #241e1817;--shadow-sm:0 8px 28px #241e1812;--radius-sm:10px;--radius:18px;--radius-lg:28px;--container:1180px;--reading:760px;--header-height:76px;--font-sans:"IBM Plex Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-serif:"Noto Serif SC", "Songti SC", "STSong", Georgia, serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--ease:cubic-bezier(.2, .8, .2, 1)}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#11100f;--bg-elevated:#171614;--surface:#1d1b19;--surface-soft:#282521;--ink:#f3efe7;--ink-soft:#c9c2b8;--muted:#9e968c;--border:#393530;--border-strong:#615a52;--accent:#f07991;--accent-dark:#ff9caf;--accent-soft:#45252d;--success:#62c69b;--danger:#ff8a80;--code-bg:#0b0b0a;--code-fg:#f7f3eb;--shadow:0 20px 70px #00000047;--shadow-sm:0 10px 32px #00000038}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);min-width:320px;min-height:100vh;color:var(--ink);font-family:var(--font-sans);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.65}body:before{content:"";pointer-events:none;opacity:.22;z-index:-1;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");position:fixed;inset:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}img{max-width:100%}::selection{background:var(--accent);color:#fff}:focus-visible{outline:3px solid color-mix(in srgb, var(--accent) 58%, transparent);outline-offset:3px;border-radius:4px}.skip-link{z-index:1000;background:var(--ink);color:var(--bg);transition:top .18s var(--ease);border-radius:8px;padding:10px 16px;position:fixed;top:-80px;left:18px}.skip-link:focus{top:14px}.container{width:min(calc(100% - 40px), var(--container));margin-inline:auto}.reading-container{width:min(calc(100% - 40px), var(--reading));margin-inline:auto}.page-shell{min-height:62vh;padding:48px 0 96px}.eyebrow{color:var(--accent-dark);font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:9px;margin:0 0 14px;font-size:12px;font-weight:700;display:inline-flex}.eyebrow:before{content:"";background:currentColor;width:28px;height:2px}.display-title,.page-title{font-family:var(--font-serif);letter-spacing:0;text-wrap:balance;margin:0;font-weight:800;line-height:1.12}.display-title{font-size:clamp(42px,7vw,92px)}.page-title{font-size:clamp(34px,5vw,62px)}.lede{max-width:680px;color:var(--ink-soft);margin:22px 0 0;font-size:clamp(17px,2vw,20px);line-height:1.75}.muted{color:var(--muted)}.mono{font-family:var(--font-mono)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{border:1px solid var(--border-strong);min-height:46px;color:var(--ink);cursor:pointer;transition:transform .18s var(--ease), border-color .18s, background .18s, color .18s;background:0 0;border-radius:999px;justify-content:center;align-items:center;gap:9px;padding:10px 18px;font-weight:700;display:inline-flex}.btn:hover{border-color:var(--ink);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn--primary{border-color:var(--ink);background:var(--ink);color:var(--bg)}.btn--primary:hover{border-color:var(--accent);background:var(--accent);color:#fff}.btn--quiet{border-color:#0000;padding-inline:10px}.btn--quiet:hover{background:var(--surface-soft);border-color:#0000}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.text-link{min-height:44px;color:var(--accent-dark);text-underline-offset:5px;align-items:center;gap:7px;font-weight:750;display:inline-flex}.text-link:hover{text-decoration:underline}.card{border:1px solid var(--border);border-radius:var(--radius);background:color-mix(in srgb, var(--surface) 94%, transparent);box-shadow:var(--shadow-sm)}.tag-chip{border:1px solid var(--border);min-height:44px;color:var(--ink-soft);background:var(--bg-elevated);border-radius:999px;align-items:center;padding:5px 11px;font-size:13px;line-height:1;transition:border-color .18s,color .18s,background .18s;display:inline-flex}.tag-chip:hover,.tag-chip.router-link-active{border-color:var(--accent);color:var(--accent-dark);background:var(--accent-soft)}.section-head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.section-head h2{font-family:var(--font-serif);letter-spacing:0;margin:0;font-size:clamp(28px,4vw,44px);line-height:1.2}.section-head p{max-width:520px;color:var(--muted);margin:8px 0 0}.form-field{gap:8px;display:grid}.form-field label{font-size:14px;font-weight:750}.input,.textarea{border:1px solid var(--border-strong);background:var(--surface);width:100%;color:var(--ink);border-radius:12px;transition:border-color .18s,box-shadow .18s}.input{min-height:48px;padding:10px 14px}.textarea{resize:vertical;min-height:132px;padding:12px 14px;line-height:1.65}.input:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);outline:none}.input::placeholder,.textarea::placeholder{color:var(--muted);opacity:.8}.field-error{color:var(--danger);margin:0;font-size:13px}.status-panel{border:1px dashed var(--border-strong);border-radius:var(--radius);text-align:center;color:var(--muted);padding:30px}.status-panel h2,.status-panel h3{color:var(--ink);font-family:var(--font-serif);margin:8px 0}.status-panel p{max-width:520px;margin:6px auto 18px}.skeleton{background:var(--surface-soft);border-radius:8px;position:relative;overflow:hidden}.skeleton:after{content:"";background:#ffffff52;animation:1.45s infinite skeleton;position:absolute;inset:0;transform:translate(-100%)}@keyframes skeleton{to{transform:translate(100%)}}.page-shift-enter-active{transition:opacity .24s var(--ease), transform .24s var(--ease)}.page-shift-leave-active{transition:opacity .16s ease-in,transform .16s ease-in}.page-shift-enter-from{opacity:0;transform:translateY(10px)}.page-shift-leave-to{opacity:0;transform:translateY(-5px)}.reveal{opacity:0;transition:opacity .28s var(--ease), transform .28s var(--ease);transition-delay:var(--reveal-delay,0s);transform:translateY(18px)}.reveal--scale{transform:translateY(12px)scale(.985)}.reveal.is-visible{opacity:1;transform:translate(0,0)scale(1)}@media (width<=720px){:root{--header-height:68px}.container,.reading-container{width:min(calc(100% - 28px), var(--container))}.page-shell{padding:34px 0 72px}.section-head{flex-direction:column;align-items:start;margin-bottom:22px}.btn{min-height:44px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.reveal,.reveal--scale{opacity:1!important;transform:none!important}}body.nav-open{overflow:hidden}#app{min-height:100vh}button,a,input,textarea{touch-action:manipulation}.status-panel>.btn+.btn,.status-panel>button+a,.status-panel>a+button,.status-panel>a+a{margin-left:8px}@media (hover:none){.btn:hover{transform:none}}@media (width<=480px){.status-panel>.btn{width:100%;margin:8px 0 0}.status-panel>.btn+.btn,.status-panel>button+a,.status-panel>a+button,.status-panel>a+a{margin-left:0}}.markdown-body{color:var(--ink-soft);font-family:var(--font-serif);overflow-wrap:anywhere;font-size:clamp(17px,1.8vw,19px);line-height:1.92}.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}.markdown-body p{margin:0 0 1.45em}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{scroll-margin-top:calc(var(--header-height) + 28px);color:var(--ink);font-family:var(--font-serif);letter-spacing:0;text-wrap:balance;line-height:1.28}.markdown-body h1{margin:1.55em 0 .65em;font-size:2.25em}.markdown-body h2{margin:2.1em 0 .75em;padding-top:.25em;font-size:clamp(28px,4vw,38px)}.markdown-body h3{margin:1.8em 0 .65em;font-size:clamp(23px,3vw,29px)}.markdown-body h4{margin:1.6em 0 .55em;font-size:1.15em}.markdown-body a{color:var(--accent-dark);text-underline-offset:5px;text-decoration:underline;text-decoration-thickness:1px}.markdown-body a:hover{text-decoration-thickness:2px}.markdown-body strong{color:var(--ink);font-weight:800}.markdown-body em{color:var(--ink)}.markdown-body ul,.markdown-body ol{margin:0 0 1.45em;padding-left:1.55em}.markdown-body li{margin:.45em 0;padding-left:.25em}.markdown-body li::marker{color:var(--accent-dark);font-weight:800}.markdown-body blockquote{border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--bg-elevated);color:var(--ink-soft);margin:2em 0;padding:20px 24px 20px 30px;font-size:1.02em;position:relative}.markdown-body blockquote p:last-child{margin-bottom:0}.markdown-body code{border:1px solid var(--border);background:var(--surface-soft);color:var(--accent-dark);font-family:var(--font-mono);border-radius:6px;padding:.16em .4em;font-size:.84em}.markdown-body pre{border:1px solid color-mix(in srgb, var(--border-strong) 55%, transparent);border-radius:var(--radius);background:var(--code-bg);max-width:100%;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch;margin:2em 0;position:relative;overflow:auto}.markdown-body pre:before{content:"";background:radial-gradient(circle at 18px 18px,#ff6b6b 0 4px,#0000 4.5px),radial-gradient(circle at 34px 18px,#ffd43b 0 4px,#0000 4.5px),radial-gradient(circle at 50px 18px,#69db7c 0 4px,#0000 4.5px);border-bottom:1px solid #ffffff17;height:36px;display:block}.markdown-body pre code,.markdown-body pre code.hljs{min-width:max-content;color:var(--code-fg);tab-size:2;background:0 0;border:0;border-radius:0;padding:20px 22px 24px;font-size:14px;line-height:1.75;display:block}.markdown-body img{border-radius:var(--radius);width:auto;max-width:100%;height:auto;box-shadow:var(--shadow-sm);margin:2.2em auto;display:block}.markdown-body video{border-radius:var(--radius);background:#000;width:100%;max-width:100%;height:auto;margin:2.2em auto;display:block}.markdown-body hr{background:var(--accent);border:0;width:90px;height:2px;margin:3.4em auto}.markdown-body table{border-collapse:collapse;width:100%;font-family:var(--font-sans);margin:2em 0;font-size:.88em;line-height:1.6}.markdown-body thead{background:var(--surface-soft);color:var(--ink)}.markdown-body th,.markdown-body td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:12px 14px}.markdown-body th{font-weight:800}.markdown-body :not(pre)>kbd{border:1px solid var(--border-strong);background:var(--surface);font-family:var(--font-mono);border-bottom-width:3px;border-radius:6px;padding:2px 7px;font-size:.8em}.markdown-body input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);vertical-align:middle;margin:0 .45em 0 0}@media (width<=720px){.markdown-body{font-size:17px;line-height:1.85}.markdown-body blockquote{margin-inline:0;padding:18px 18px 18px 22px}.markdown-body pre{border-radius:12px;margin-inline:-14px}.markdown-body pre code,.markdown-body pre code.hljs{padding-inline:18px;font-size:13px}.markdown-body table{white-space:nowrap;-webkit-overflow-scrolling:touch;display:block;overflow-x:auto}}pre code.hljs{padding:1em;display:block;overflow-x:auto}code.hljs{padding:3px 5px}.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}