:root,html[data-theme=light]{--bg: #fafafa;--bg-deep: #f0f0f0;--paper: #ffffff;--paper-soft: #f5f5f5;--ink: #191919;--ink-soft: #3f3f3f;--ink-muted: #6b6b6b;--line: rgba(27, 26, 21, .12);--line-strong: rgba(27, 26, 21, .22);--accent: #3c3c3c;--accent-ink: #303030;--accent-soft: rgba(60, 61, 56, .08);--accent-glow: rgba(60, 61, 56, .12);--shadow-soft: 0 14px 36px rgba(27, 26, 21, .08);--shadow-paper: 0 22px 50px rgba(27, 26, 21, .12);--shadow-header: 0 10px 30px rgba(27, 26, 21, .04);--shadow-nav: 0 1px 2px rgba(27, 26, 21, .04), 0 8px 20px rgba(27, 26, 21, .035);--shadow-lift: 0 6px 16px rgba(27, 26, 21, .06);--body-glow-a: rgba(255, 255, 255, .9);--body-glow-b: rgba(60, 61, 56, .025);--body-top: #ffffff;--on-accent: #ffffff;--code-bg: #171717;--code-fg: #ededed;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 18px;--content-width: clamp(1120px, 66vw, 1480px);--ui-size: clamp(16px, .75vw, 18px);--home-title-size: clamp(24px, 1.4vw, 34px);--reading-width: 68ch;--header-offset: 4.35rem;--font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: var(--font-sans);--font-mono: "Consolas Local", "Cascadia Code", "Sarasa Mono SC", Consolas, "Courier New", monospace;--ease-out: cubic-bezier(.16, 1, .3, 1);--signal-beat: 1.05s;color-scheme:light;--scroll-ratio: 0}html[data-theme=dark]{--bg: #141414;--bg-deep: #0e0e0e;--paper: #1d1d1d;--paper-soft: #222222;--ink: #f3f3f3;--ink-soft: #d4d4d4;--ink-muted: #9a9a9a;--line: rgba(243, 238, 227, .12);--line-strong: rgba(243, 238, 227, .22);--accent: #d9d9d9;--accent-ink: #e6e6e6;--accent-soft: rgba(217, 218, 211, .09);--accent-glow: rgba(217, 218, 211, .12);--shadow-soft: 0 14px 36px rgba(0, 0, 0, .35);--shadow-paper: 0 22px 50px rgba(0, 0, 0, .42);--shadow-header: 0 10px 30px rgba(0, 0, 0, .28);--shadow-nav: 0 1px 2px rgba(0, 0, 0, .25), 0 8px 20px rgba(0, 0, 0, .2);--shadow-lift: 0 6px 16px rgba(0, 0, 0, .28);--body-glow-a: rgba(217, 218, 211, .035);--body-glow-b: rgba(255, 255, 255, .03);--body-top: #1a1a1a;--on-accent: #ffffff;--code-bg: #0c0c0c;--code-fg: #ededed;color-scheme:dark}@font-face{font-family:Consolas Local;src:url(/assets/fonts/consola.woff2) format("woff2"),url(/assets/fonts/consola.ttf) format("truetype");font-weight:400 700;font-style:normal;font-display:swap}*,*:before,*:after{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth}body{min-height:100dvh;margin:0;overflow-x:hidden;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.8;letter-spacing:.01em;font-feature-settings:"kern" 1,"liga" 1;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .28s var(--ease-out),color .28s var(--ease-out)}button,input,select,textarea{font:inherit}.site-nav,.mobile-nav-panel,.tool-button,.btn,.site-header__tools,.command-panel,.entry-toc,.site-footer nav,.site-footer__colophon{font-family:var(--font-sans);letter-spacing:0}a{color:inherit;text-decoration:none}button,input{font:inherit;color:inherit}button{border:0;background:none;cursor:pointer}img,svg{display:block;max-width:100%}svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}::selection{background:var(--accent-soft);color:var(--ink)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:1rem;left:1rem;z-index:120;padding:.7rem .95rem;border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--paper);color:var(--ink);box-shadow:var(--shadow-soft);transform:translateY(-180%);opacity:0;pointer-events:none;transition:transform .2s var(--ease-out),opacity .2s var(--ease-out)}.skip-link:focus,.skip-link:focus-visible{transform:translateY(0);opacity:1;pointer-events:auto}.shell{width:min(100% - 6rem,var(--content-width));margin-inline:auto}.scroll-progress{position:fixed;top:0;left:0;z-index:90;width:100%;height:3px;background:var(--accent);transform:scaleX(var(--scroll-ratio, 0));transform-origin:left center;will-change:transform;pointer-events:none}.site-main{position:relative;z-index:1;width:100%;padding-bottom:4rem}.site-main--home{padding-top:.5rem;padding-bottom:clamp(4rem,8vh,7rem)}.site-header{--header-feather: 1rem;position:sticky;top:0;z-index:40;padding-bottom:var(--header-feather);margin-bottom:calc(-1 * var(--header-feather));-webkit-backdrop-filter:blur(18px) saturate(1.15);backdrop-filter:blur(18px) saturate(1.15);background:color-mix(in srgb,var(--bg) 78%,transparent);-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - var(--header-feather)),transparent);mask-image:linear-gradient(to bottom,#000 calc(100% - var(--header-feather)),transparent);transition:background .25s var(--ease-out)}.site-header:hover,.site-header:focus-within,.site-header.is-scrolled{background:color-mix(in srgb,var(--bg) 90%,transparent)}.site-header__row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.1rem;min-height:6rem}.brand{display:inline-flex;align-items:center;gap:.7rem;min-height:44px;color:var(--ink);transition:opacity .18s var(--ease-out),transform .18s var(--ease-out)}.brand:hover{opacity:.86}.brand:active{transform:scale(.98)}.brand__mark{font-family:var(--font-sans);font-size:22px;font-weight:400;letter-spacing:-.025em;line-height:1.4}.site-nav{display:flex;justify-self:center;justify-content:center;align-items:center;gap:2.2rem}.site-nav a,.mobile-nav-panel a{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.4rem 0;color:var(--ink-muted);text-align:center;transition:color .2s var(--ease-out)}.site-nav a:before,.mobile-nav-panel a:before{content:"";position:absolute;bottom:.25rem;left:50%;width:1.1rem;height:1px;background:currentColor;opacity:0;transform:translate(-50%);transition:opacity .2s var(--ease-out)}.site-nav a strong,.mobile-nav-panel a strong{font-size:var(--ui-size);font-weight:400;letter-spacing:0;line-height:1}.site-nav a:hover,.mobile-nav-panel a:hover{color:var(--ink)}.site-nav a:hover:before,.site-nav a.is-active:before,.mobile-nav-panel a.is-active:before{opacity:1}.site-nav a.is-active,.mobile-nav-panel a.is-active{color:var(--ink)}.site-nav a.is-active strong,.mobile-nav-panel a.is-active strong{font-weight:400}.site-header__tools{display:flex;align-items:center;justify-content:flex-end;gap:.55rem}.tool-button{display:inline-flex;align-items:center;gap:.45rem;min-height:44px;padding:.4rem .55rem;border:0;background:none;color:var(--ink-soft);transition:color .2s var(--ease-out),opacity .2s var(--ease-out)}.tool-button:hover{color:var(--ink)}.tool-button:active{opacity:.65}.tool-button>svg{width:1.05rem;height:1.05rem;flex:0 0 auto}.tool-button kbd{display:inline-flex;align-items:center;justify-content:center;min-width:1.15rem;height:1.15rem;padding:0 .28rem;border:1px solid var(--line);border-radius:5px;background:color-mix(in srgb,var(--bg) 70%,var(--paper));color:var(--ink-muted);font-family:var(--font-mono);font-size:.7rem;line-height:1}.tool-button--search span{font-size:var(--ui-size);font-weight:400;letter-spacing:0;line-height:1.5}.tool-button--icon{display:none;width:2.55rem;min-height:2.55rem;padding:0;justify-content:center}.tool-button--icon svg{width:1.18rem;height:1.18rem}.tool-button--theme{width:36px;justify-content:center;padding-inline:0}.mobile-nav-panel{display:none;border-top:1px solid var(--line);background:color-mix(in srgb,var(--paper) 94%,transparent);padding:.55rem 1rem .85rem}.mobile-nav-panel[hidden]{display:none!important}.mobile-nav-panel:not([hidden]){display:grid;gap:.25rem;animation:nav-panel-in .22s var(--ease-out)}.mobile-nav-panel a{justify-content:flex-start;min-height:2.7rem;min-width:0;padding:.7rem 0}.mobile-nav-panel a:before{left:0;transform:none}@keyframes nav-panel-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.btn{display:inline-flex;align-items:center;justify-content:flex-start;gap:.55rem;min-height:44px;padding:.45rem 0;border:0;background:none;font-size:.96rem;font-weight:500;letter-spacing:.03em;text-underline-offset:.4em;text-decoration-thickness:1px;transition:color .2s var(--ease-out),opacity .2s var(--ease-out)}.btn:hover{color:var(--ink);text-decoration:underline}.btn:active{opacity:.65}.btn i{font-style:normal;transition:transform .22s var(--ease-out)}.btn:hover i{transform:translate(3px)}.btn--solid{color:var(--ink)}.btn--ghost{color:var(--ink-muted)}.btn kbd{padding:.1rem .4rem;border-radius:4px;background:var(--bg-deep);color:var(--ink-muted);font-family:var(--font-mono);font-size:.72rem;font-weight:500}.home-page{display:grid;gap:0;padding-top:clamp(3.5rem,8.5vh,7rem)}.brand__avatar{width:24px;height:24px;border-radius:50%;object-fit:cover;flex:0 0 auto}.section{padding-block:clamp(2.4rem,5vw,3.8rem)}.home-page .section{margin-block:0 4rem;padding-block:0}.home-page .home-tags{display:flex;align-items:baseline;flex-wrap:wrap;gap:.75rem 2.5rem;margin-top:clamp(4rem,11vh,9rem);margin-bottom:1.5rem}.home-tags__label{margin:0;font-family:var(--font-sans);font-size:var(--ui-size);font-weight:400;line-height:1.6;letter-spacing:0;color:var(--ink-muted)}.home-page .section-head__more{font-size:var(--ui-size);font-weight:400}.home-page .tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem 2rem}.home-page .tag-cloud span{font-family:var(--font-sans);font-size:var(--ui-size);font-weight:400;color:inherit}.home-page .post-rows{border-top:0}.home-page .post-rows>li{border-bottom:0}.home-page .post-rows>li:last-child{border-bottom:0}.post-rows--quiet .post-row{grid-template-columns:minmax(0,1fr) auto;gap:.5rem 2rem;min-height:7rem;padding:1.75rem 0;border-radius:0;background:none;box-shadow:none;transform:none}.post-rows--quiet .post-row__title strong{font-family:var(--font-sans);font-size:var(--home-title-size);font-weight:400;line-height:1.4;letter-spacing:-.025em}.post-rows--quiet .post-row__meta{grid-column:auto;font-family:var(--font-sans);font-size:var(--ui-size);line-height:1.6;font-variant-numeric:tabular-nums}.post-rows--quiet .post-row:hover .post-row__title{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:6px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.2rem}.section-head h2{margin:0;font-family:var(--font-display);font-size:clamp(1.6rem,3.2vw,2rem);font-weight:600;letter-spacing:-.035em;line-height:1.3}.section-head__more{display:inline-flex;align-items:center;gap:.35rem;min-height:44px;color:var(--accent-ink);font-family:var(--font-mono);font-size:.82rem;font-weight:650;white-space:nowrap;transition:color .18s var(--ease-out),transform .18s var(--ease-out)}.section-head__more:hover{color:var(--accent);transform:translate(2px)}.section-head__more:hover i{transform:translate(4px)}.section-head__more i{font-style:normal;transition:transform .22s var(--ease-out)}.post-rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.post-rows>li{border-bottom:1px solid var(--line)}.post-row{display:grid;grid-template-columns:3rem minmax(0,1fr) auto auto;align-items:center;gap:.85rem 1rem;min-height:4.4rem;padding:.95rem .15rem;border-radius:var(--radius-sm);transition:background .22s var(--ease-out),padding .22s var(--ease-out),transform .18s var(--ease-out),box-shadow .22s var(--ease-out)}.post-row:hover{background:color-mix(in srgb,var(--accent) 7%,transparent);padding-inline:.7rem;box-shadow:inset 3px 0 0 var(--accent)}.post-row:active{transform:scale(.995);background:color-mix(in srgb,var(--accent) 10%,transparent)}.post-row__no{color:var(--ink-muted);font-family:var(--font-mono);font-size:.78rem;font-variant-numeric:tabular-nums}.post-row__title{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem;min-width:0}.post-row__title strong{font-family:var(--font-display);font-size:1.02rem;font-weight:500;letter-spacing:0;line-height:1.5}.post-row__meta{display:flex;align-items:center;gap:.7rem;color:var(--ink-muted);font-family:var(--font-mono);font-size:.74rem;white-space:nowrap}.post-row__meta em{font-style:normal}.post-row__arrow{color:var(--accent);font-size:1rem;opacity:0;transform:translate(-4px);transition:opacity .18s,transform .18s var(--ease-out)}.post-row:hover .post-row__arrow{opacity:1;transform:translate(0)}.stamp{display:inline-flex;align-items:center;padding:.12rem .4rem;border:1px solid color-mix(in srgb,var(--accent) 55%,transparent);border-radius:3px;color:var(--accent-ink);font-family:var(--font-mono);font-size:.66rem;font-style:normal;font-weight:700;letter-spacing:.04em;transform:rotate(-6deg)}.page-shell{padding-top:calc(var(--header-offset) * .55);padding-bottom:2rem}.page-intro{max-width:48rem;margin-bottom:1.8rem}.page-intro h1{margin:0;font-family:var(--font-display);font-size:clamp(2rem,4.5vw,2.85rem);font-weight:600;letter-spacing:-.035em;line-height:1.2}.archive-stack{display:grid;gap:2.2rem}.archive-year{display:grid;gap:.8rem}.archive-year__label{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.archive-year__label strong{font-family:var(--font-display);font-size:1.28rem;font-weight:600;letter-spacing:-.02em}.archive-year__label span{color:var(--ink-muted);font-family:var(--font-mono);font-size:.78rem}.tag-cloud{display:grid;grid-template-columns:repeat(auto-fill,minmax(11.5rem,1fr));gap:.75rem}.tag-cloud a{display:grid;gap:.25rem;min-height:5.2rem;padding:.95rem 1rem;border:1px solid var(--line);border-radius:var(--radius-md);background:color-mix(in srgb,var(--paper) 88%,transparent);box-shadow:0 1px #1b1a1508;transition:transform .18s var(--ease-out),border-color .18s var(--ease-out),box-shadow .18s var(--ease-out),background .18s var(--ease-out)}.tag-cloud a:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 40%,var(--line));background:color-mix(in srgb,var(--paper) 96%,#fff);box-shadow:0 12px 24px color-mix(in srgb,var(--accent) 10%,transparent),0 0 0 1px color-mix(in srgb,var(--accent) 12%,transparent)}.tag-cloud a:active{transform:translateY(-1px) scale(.99)}.home-page .tag-cloud a{position:relative;display:inline-flex;align-items:baseline;gap:.5rem;min-height:44px;padding:.45rem 0;border:0;background:none;box-shadow:none;color:var(--ink-soft);cursor:pointer;transition:color .18s ease,transform .18s ease}.home-page .tag-cloud a:after{content:"";position:absolute;inset-inline:0;bottom:.2rem;height:1px;background:currentColor;opacity:0;transform:scaleX(.3);transform-origin:left;transition:opacity .18s ease,transform .18s ease}.home-page .tag-cloud a:hover,.home-page .tag-cloud a:focus-visible{color:var(--ink);transform:translateY(-2px)}.home-page .tag-cloud a:hover:after,.home-page .tag-cloud a:focus-visible:after{opacity:.65;transform:scaleX(1)}.home-page .tag-cloud a:active{transform:translateY(0)}.tag-cloud strong{font-size:.95rem;font-weight:500;letter-spacing:0}.tag-cloud span{color:var(--ink-muted);font-family:var(--font-mono);font-size:.74rem}.entry-shell{position:relative;padding-top:calc(var(--header-offset) * .45);padding-bottom:4rem}.entry-hero{max-width:var(--reading-width);margin-bottom:0;padding-bottom:1.4rem;border-bottom:1px solid var(--line)}.entry-hero__topline{display:flex;align-items:center;gap:1rem;margin-bottom:.85rem}.entry-back{color:var(--accent-ink);font-family:var(--font-mono);font-size:.8rem;font-weight:650;white-space:nowrap}.entry-hero h1{margin:0;max-width:20ch;font-family:var(--font-display);font-size:clamp(2rem,4.5vw,2.9rem);font-weight:600;letter-spacing:-.035em;line-height:1.3;text-wrap:balance}.entry-hero__meta{display:flex;flex-wrap:wrap;gap:.55rem .85rem;margin-top:1rem;color:var(--ink-muted);font-family:var(--font-mono);font-size:.78rem}.entry-hero__meta a{color:var(--accent-ink)}.entry-hero__meta a:hover{text-decoration:underline;text-underline-offset:.15em}.entry-body{max-width:var(--reading-width);padding-top:1.6rem}.manuscript{font-family:var(--font-sans);font-size:1rem;line-height:1.9;letter-spacing:.01em;color:var(--ink-soft)}.manuscript>:first-child{margin-top:0}.manuscript>h2:first-child{margin:0 0 .55rem;padding:0;border:0;color:var(--ink);font-size:clamp(1.2rem,2.4vw,1.4rem);font-weight:600;letter-spacing:.01em;line-height:1.4}.manuscript>h2:first-child+p{margin-top:0;margin-bottom:1.4rem;color:var(--ink-muted);font-size:.98rem}.manuscript>h2:first-child+p a{font-family:var(--font-mono);font-size:.92em}.manuscript h2{position:relative;margin:2.6rem 0 1rem;padding:.15rem 0 .15rem .95rem;border-left:3px solid var(--accent);color:var(--ink);font-family:var(--font-display);font-size:clamp(1.25rem,2.4vw,1.5rem);font-weight:600;letter-spacing:-.02em;line-height:1.45;scroll-margin-top:6rem}.manuscript h2:not(:first-child){margin-top:2.8rem;padding-top:.2rem}.manuscript h3{margin:1.85rem 0 .7rem;color:var(--ink);font-family:var(--font-display);font-size:1.125rem;font-weight:600;letter-spacing:-.015em;line-height:1.5;scroll-margin-top:6rem}.manuscript h4{margin:1.45rem 0 .55rem;color:var(--ink);font-family:var(--font-sans);font-size:.98rem;font-weight:600;letter-spacing:.01em;line-height:1.4;scroll-margin-top:6rem}.manuscript p{margin:0 0 1.05rem;max-width:65ch;text-wrap:pretty}.manuscript a{color:var(--accent-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em}.manuscript a:hover{color:var(--accent)}.manuscript strong{color:var(--ink);font-weight:600;background:linear-gradient(180deg,transparent 62%,color-mix(in srgb,var(--accent) 18%,transparent) 0);box-decoration-break:clone;-webkit-box-decoration-break:clone}.manuscript em{color:var(--ink);font-style:italic}.manuscript ul,.manuscript ol{margin:.35rem 0 1.25rem;padding-left:1.35rem;max-width:62ch}.manuscript li{margin:.28rem 0;padding-left:.2rem;line-height:1.75}.manuscript li>p{margin:.2rem 0}.manuscript li>ul,.manuscript li>ol{margin:.35rem 0 .45rem}.manuscript ol{list-style:none;counter-reset:ms-step;padding-left:0}.manuscript ol>li{position:relative;padding-left:2rem;counter-increment:ms-step}.manuscript ol>li:before{content:counter(ms-step);position:absolute;left:0;top:.12rem;display:inline-grid;place-items:center;width:1.45rem;height:1.45rem;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,var(--paper));color:var(--accent-ink);font-family:var(--font-mono);font-size:.72rem;font-weight:700;line-height:1}.manuscript ul{list-style:none;padding-left:.15rem}.manuscript ul>li{position:relative;padding-left:1.15rem}.manuscript ul>li:before{content:"";position:absolute;left:.15rem;top:.72em;width:.38rem;height:.38rem;border-radius:50%;background:color-mix(in srgb,var(--accent) 70%,var(--ink))}.manuscript ul ul>li:before{background:transparent;border:1.5px solid color-mix(in srgb,var(--accent) 70%,var(--ink))}.manuscript blockquote{margin:1.5rem 0;padding:.85rem 1rem .85rem 1.1rem;border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:color-mix(in srgb,var(--accent) 6%,var(--paper));color:var(--ink);font-family:var(--font-sans);font-size:1.05rem;line-height:1.8;letter-spacing:.015em}.manuscript blockquote p:last-child{margin-bottom:0}.manuscript hr{margin:2.1rem 0;border:0;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--ink) 18%,transparent) 12%,color-mix(in srgb,var(--ink) 18%,transparent) 88%,transparent)}.manuscript code{padding:.1rem .38rem;border-radius:4px;background:color-mix(in srgb,var(--bg-deep) 78%,#fff);color:var(--ink);font-family:var(--font-mono);font-size:.88em;letter-spacing:0}.manuscript pre{overflow-x:auto;margin:1.15rem 0 1.45rem;padding:1rem 1.05rem;border:1px solid color-mix(in srgb,var(--ink) 88%,#000);border-radius:var(--radius-md);background:var(--code-bg);color:var(--code-fg);box-shadow:var(--shadow-soft)}.manuscript pre+p,.manuscript pre+ul,.manuscript pre+ol{margin-top:.15rem}.manuscript pre code{padding:0;background:transparent;color:inherit;font-size:.88rem;line-height:1.65;letter-spacing:0}.manuscript table{width:100%;margin:1.3rem 0;border-collapse:collapse;font-size:.95rem;font-family:var(--font-sans);letter-spacing:0}.manuscript th,.manuscript td{padding:.65rem .7rem;border:1px solid var(--line);text-align:left}.manuscript th{background:color-mix(in srgb,var(--paper) 70%,var(--bg-deep));color:var(--ink);font-weight:650}.manuscript img{margin:1.2rem 0;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}.manuscript .shiki,.manuscript .shiki span{font-family:var(--font-mono)}.entry-toc{position:fixed;top:50%;right:0;z-index:25;display:grid;grid-template-columns:2.7rem minmax(14rem,17rem);transform:translate(calc(100% - 2.7rem),-50%);transition:transform .28s var(--ease-out)}.entry-toc.is-open,.entry-toc:focus-within{transform:translateY(-50%)}.entry-toc__tab{display:grid;place-items:center;min-width:44px;min-height:5.5rem;padding:.7rem .35rem;border:1px solid var(--line);border-right:0;border-radius:var(--radius-md) 0 0 var(--radius-md);background:color-mix(in srgb,var(--paper) 94%,transparent);box-shadow:var(--shadow-soft);writing-mode:vertical-rl;letter-spacing:.18em;font-size:.78rem;font-weight:700}.entry-toc__panel{max-height:min(62vh,28rem);overflow:auto;padding:1rem 1rem 1rem .85rem;border:1px solid var(--line);border-right:0;border-radius:var(--radius-md) 0 0 var(--radius-md);background:color-mix(in srgb,var(--paper) 96%,transparent);box-shadow:var(--shadow-paper);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.entry-toc__panel strong{display:block;margin-bottom:.7rem;font-size:.82rem;letter-spacing:-.01em}.entry-toc__panel ol{list-style:none;margin:0;padding:0}.entry-toc__panel li+li{margin-top:.35rem}.entry-toc__panel a{display:block;color:var(--ink-soft);font-size:.86rem;line-height:1.4;transition:color .15s,transform .15s}.entry-toc__panel a:hover{color:var(--accent-ink);transform:translate(2px)}.toc-level-3 a{padding-left:.75rem;color:var(--ink-muted);font-size:.8rem}.toc-level-4 a{padding-left:1.35rem;color:var(--ink-muted);font-size:.78rem}.command-layer{position:fixed;inset:0;z-index:80;display:grid;place-items:start center;padding:min(10vh,4.5rem) 1rem 2rem;background:color-mix(in srgb,var(--ink) 38%,transparent);backdrop-filter:blur(10px) saturate(1.05);-webkit-backdrop-filter:blur(10px) saturate(1.05);animation:command-fade-in .18s var(--ease-out)}.command-layer__backdrop{position:absolute;inset:0}.command-panel{position:relative;z-index:1;width:min(100%,38rem);overflow:hidden;border:1px solid color-mix(in srgb,var(--line-strong) 80%,transparent);border-radius:18px;background:linear-gradient(180deg,color-mix(in srgb,var(--paper) 96%,#fff),color-mix(in srgb,var(--paper-soft) 92%,var(--bg)));color:var(--ink);box-shadow:0 1px color-mix(in srgb,#fff 55%,transparent) inset,0 28px 70px color-mix(in srgb,var(--ink) 22%,transparent),0 0 0 1px color-mix(in srgb,var(--ink) 4%,transparent);animation:command-rise .28s var(--ease-out)}.command-panel__input-row{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:.55rem;padding:.85rem .9rem .8rem 1rem;border-bottom:1px solid var(--line)}.command-panel__search-icon{display:grid;place-items:center;width:1.5rem;height:1.5rem;color:var(--accent)}.command-panel__search-icon svg{width:1.15rem;height:1.15rem;stroke:currentColor;fill:none;stroke-width:2}.command-panel__input-row input{width:100%;min-width:0;border:0;background:transparent;color:var(--ink);font-family:var(--font-sans);font-size:1.12rem;font-weight:600;letter-spacing:.01em;outline:none}.command-panel__input-row input::placeholder{color:var(--ink-muted);font-weight:500}.command-panel__clear,.command-panel__close{display:inline-flex;align-items:center;justify-content:center;min-height:2rem;border-radius:var(--radius-sm);color:var(--ink-muted);transition:color .15s,background .15s,border-color .15s}.command-panel__clear{width:2rem;border:1px solid transparent;background:color-mix(in srgb,var(--ink) 5%,transparent)}.command-panel__clear:hover{color:var(--ink);background:color-mix(in srgb,var(--ink) 9%,transparent)}.command-panel__clear svg{width:.95rem;height:.95rem;stroke:currentColor;fill:none;stroke-width:2}.command-panel__close{padding:.2rem .45rem;border:1px solid var(--line);background:color-mix(in srgb,var(--paper) 80%,transparent)}.command-panel__close:hover{color:var(--ink);border-color:color-mix(in srgb,var(--accent) 40%,var(--line));background:var(--paper)}.command-panel__close kbd{font-family:var(--font-mono);font-size:.7rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase}.command-panel__meta{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.55rem 1.05rem;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 55%,transparent);color:var(--ink-muted);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.02em}.command-panel__hint{opacity:.78}.command-panel__results{max-height:min(52vh,24rem);overflow:auto;padding:.45rem;scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--ink) 22%,transparent) transparent}.command-panel__results a{position:relative;display:grid;grid-template-columns:5.4rem minmax(0,1fr) auto;grid-template-areas:"date title arrow" "date sub   arrow";column-gap:.9rem;row-gap:.18rem;align-items:center;padding:.78rem .85rem;border:1px solid transparent;border-radius:12px;color:var(--ink);transition:background .14s var(--ease-out),border-color .14s var(--ease-out),transform .14s var(--ease-out),box-shadow .14s var(--ease-out)}.command-panel__date{grid-area:date;align-self:start;padding-top:.18rem;color:var(--ink-muted);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.01em}.command-panel__title{grid-area:title;font-family:var(--font-display);font-size:1.02rem;font-weight:600;letter-spacing:.01em;line-height:1.3}.command-panel__sub{grid-area:sub;color:var(--ink-muted);font-family:var(--font-mono);font-size:.72rem;font-style:normal;line-height:1.35}.command-panel__arrow{grid-area:arrow;color:var(--accent);font-style:normal;font-size:.95rem;opacity:0;transform:translate(-4px);transition:opacity .14s,transform .14s var(--ease-out)}.command-panel__results a.is-active{background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 12%,var(--paper)),color-mix(in srgb,var(--accent) 8%,var(--paper-soft)));border-color:color-mix(in srgb,var(--accent) 28%,transparent);box-shadow:0 8px 18px color-mix(in srgb,var(--accent) 10%,transparent)}.command-panel__results a.is-active .command-panel__title{color:var(--accent-ink)}.command-panel__results a.is-active .command-panel__arrow{opacity:1;transform:translate(0)}.command-panel__empty{display:grid;gap:.35rem;margin:0;padding:2rem 1rem 2.2rem;color:var(--ink-soft);font-family:var(--font-sans);font-size:1rem;font-weight:650;text-align:center}.command-panel__empty small{color:var(--ink-muted);font-family:var(--font-mono);font-size:.75rem;font-weight:500}@keyframes command-fade-in{0%{opacity:0}to{opacity:1}}@keyframes command-rise{0%{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}.site-footer{margin-top:1rem}.site-footer__row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:1.5rem 2rem}.site-footer__colophon,.site-footer__rss{margin:0;color:var(--ink-muted);font-family:var(--font-sans);font-size:var(--ui-size);font-weight:400;letter-spacing:0}.site-footer__rss:hover{color:var(--ink)}@media(max-width:1280px){body:has(.back-top.is-visible) .site-footer__row{padding-inline-end:3.5rem}}@media(max-width:980px){.post-row{grid-template-columns:2.4rem minmax(0,1fr) auto}.post-row__arrow{display:none}}@media(max-width:820px){:root,html[data-theme]{--ui-size: 14px;--home-title-size: 20px}.shell{width:min(100% - 2.5rem,var(--content-width))}.brand__mark{font-size:18px}.brand__avatar{width:24px;height:24px}.home-page{padding-top:3rem}.site-main--home{padding-bottom:4rem}.home-page .section{margin-bottom:2.5rem}.home-page .home-tags{flex-direction:column;align-items:flex-start;gap:.5rem;margin-top:4rem;margin-bottom:1rem}.post-rows--quiet .post-row{min-height:5.5rem;padding-block:1.25rem;column-gap:1rem}.site-nav{display:none}.tool-button--icon{display:inline-flex}.site-header__row{grid-template-columns:1fr auto;min-height:3.6rem}.tool-button--search kbd{display:none}.tool-button--search{width:2.55rem;min-height:44px;padding:0;justify-content:center}.entry-toc{top:auto;bottom:1rem;transform:translate(calc(100% - 2.7rem))}.entry-toc.is-open,.entry-toc:focus-within{transform:translate(0)}body:has(.entry-toc) .back-top{bottom:8.75rem}}@media(max-width:640px){.shell{width:min(100% - 2.5rem,var(--content-width))}.manuscript th,.manuscript td{padding-inline:.45rem}.post-row{grid-template-columns:2rem minmax(0,1fr);gap:.35rem .7rem}.post-row__meta{grid-column:2}.entry-hero__topline{flex-direction:column;align-items:flex-start}.command-panel__results a{grid-template-columns:1fr auto;grid-template-areas:"title arrow" "sub   arrow" "date  arrow";row-gap:.12rem}.command-panel__date{padding-top:0}.command-panel__hint,.tool-button kbd{display:none}}@view-transition{navigation:auto}.site-header{view-transition-name:site-header}::view-transition-old(root){animation:vt-leave .14s var(--ease-out) both}::view-transition-new(root){animation:vt-enter .24s var(--ease-out) both}@keyframes vt-leave{to{opacity:0}}@keyframes vt-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.code-block{position:relative;margin:1.15rem 0 1.45rem}.code-block pre{margin:0}.manuscript .code-block+p,.manuscript .code-block+ul,.manuscript .code-block+ol{margin-top:.15rem}.code-block__lang{position:absolute;top:0;right:3.9rem;padding:.14rem .55rem;border-radius:0 0 6px 6px;background:color-mix(in srgb,#fff 8%,transparent);color:color-mix(in srgb,var(--code-fg) 64%,transparent);font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;pointer-events:none}.code-block__copy{position:absolute;top:.5rem;right:.55rem;padding:.28rem .6rem;border:1px solid color-mix(in srgb,#fff 18%,transparent);border-radius:var(--radius-sm);background:color-mix(in srgb,#fff 7%,transparent);color:color-mix(in srgb,var(--code-fg) 78%,transparent);font-family:var(--font-sans);font-size:.72rem;line-height:1;letter-spacing:.04em;opacity:.65;transition:opacity .16s var(--ease-out),color .16s var(--ease-out),border-color .16s var(--ease-out),background .16s var(--ease-out),transform .16s var(--ease-out)}.code-block:hover .code-block__copy,.code-block__copy:focus-visible{opacity:1}.code-block__copy:hover{border-color:color-mix(in srgb,#fff 34%,transparent);background:color-mix(in srgb,#fff 14%,transparent);color:var(--code-fg);transform:translateY(-1px)}.code-block__copy:active{transform:translateY(0) scale(.96)}.code-block__copy.is-copied{border-color:color-mix(in srgb,var(--accent) 60%,transparent);color:var(--code-fg);opacity:1}.heading-anchor{margin-left:.4em;color:var(--ink-muted);font-family:var(--font-mono);font-size:.72em;vertical-align:.12em;opacity:0;transition:opacity .16s var(--ease-out),color .16s var(--ease-out)}.manuscript h2:hover .heading-anchor,.manuscript h3:hover .heading-anchor,.manuscript h4:hover .heading-anchor,.heading-anchor:focus-visible{opacity:1}.heading-anchor:hover{color:var(--accent-ink)}.heading-anchor.is-copied{color:var(--accent);opacity:1}.heading-anchor.is-copied:after{content:" 已复制";font-size:.82em}.entry-toc__panel a.is-current{color:var(--accent-ink);font-weight:650;transform:translate(2px)}.back-top{position:fixed;right:1.15rem;bottom:1.25rem;z-index:60;display:grid;place-items:center;width:2.85rem;height:2.85rem;border:1px solid var(--line-strong);border-radius:999px;background:color-mix(in srgb,var(--paper) 92%,transparent);color:var(--ink-soft);box-shadow:var(--shadow-lift);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;transition:opacity .24s var(--ease-out),transform .24s var(--ease-out),color .16s var(--ease-out),border-color .16s var(--ease-out),box-shadow .16s var(--ease-out)}.back-top svg{width:1.15rem;height:1.15rem}.back-top.is-visible{opacity:1;transform:none;pointer-events:auto}.back-top:hover{border-color:var(--accent);color:var(--accent-ink);box-shadow:0 10px 24px var(--accent-glow);transform:translateY(-2px)}.back-top:active{transform:translateY(0) scale(.94)}.manuscript img.is-zoomable{cursor:zoom-in}.lightbox{max-width:none;max-height:none;padding:0;border:0;background:transparent;cursor:zoom-out}.lightbox img{max-width:min(92vw,1400px);max-height:88vh;border-radius:var(--radius-md);box-shadow:0 30px 80px #00000073;animation:lightbox-in .24s var(--ease-out) both}.lightbox::backdrop{background:#0a0907b8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}@keyframes lightbox-in{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}@media(prefers-reduced-motion:reduce){.home-page .tag-cloud a:hover,.home-page .tag-cloud a:focus-visible{transform:none}html{scroll-behavior:auto}@view-transition{navigation:none}::view-transition-old(root),::view-transition-new(root){animation:none}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media print{.scroll-progress,.site-header,.site-footer,.entry-toc,.command-layer,.back-top,.code-block__copy,.code-block__lang,.lightbox{display:none!important}body{background:#fff;color:#000}.entry-shell,.manuscript{max-width:none}}