:root{--bg:#faf9f6;--bg-soft:#f1efe9;--card:#fff;--ink:#23282b;--ink-strong:#14181a;--muted:#5d6862;--faint:#64706a;--accent:#0e6e52;--accent-strong:#0a5a43;--accent-soft:#0e6e5214;--accent-border:#0e6e5238;--line:#e5e2d9;--line-soft:#edeadf;--code-bg:#f5f3ec;--selection:#0e6e5229;--font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;--font-serif:"Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", Georgia, serif;--font-mono:ui-monospace, "SF Mono", "Cascadia Code", Consolas, Menlo, monospace;--prose-width:42rem;--page-width:64rem;--radius:10px;--radius-sm:6px;--shadow-card:0 1px 2px #14181a0a;--shadow-pop:0 8px 30px #14181a1a;--header-h:60px}[data-theme=dark]{--bg:#101614;--bg-soft:#17201c;--card:#151d1a;--ink:#e6ebe7;--ink-strong:#f4f7f4;--muted:#9db0a6;--faint:#85988e;--accent:#46c79c;--accent-strong:#6bd6b2;--accent-soft:#46c79c17;--accent-border:#46c79c40;--line:#243029;--line-soft:#1d2723;--code-bg:#131b18;--selection:#46c79c38;--shadow-card:0 1px 2px #0000004d;--shadow-pop:0 8px 30px #00000073}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.8;transition:background-color .25s,color .25s}::selection{background:var(--selection)}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong)}img,svg,video{max-width:100%;height:auto;display:block}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}:lang(zh-CN) p{text-autospace:ideograph-alpha ideograph-numeric}.site-header{z-index:50;height:var(--header-h);background:color-mix(in srgb, var(--bg) 86%, transparent);-webkit-backdrop-filter:saturate(1.4)blur(10px);border-bottom:1px solid var(--line-soft);position:sticky;top:0}.site-header .inner{max-width:var(--page-width);align-items:center;gap:14px;height:100%;margin:0 auto;padding:0 20px;display:flex}.site-main{min-height:calc(100vh - var(--header-h));flex-direction:column;display:flex}.site-main>.inner{max-width:var(--page-width);flex:1;width:100%;margin:0 auto;padding:32px 20px 72px}.site-footer{border-top:1px solid var(--line-soft);background:var(--bg-soft);color:var(--muted);font-size:13.5px}.site-footer .inner{max-width:var(--page-width);margin:0 auto;padding:28px 20px 36px}.brand{font-family:var(--font-serif);letter-spacing:.04em;color:var(--ink-strong);align-items:center;gap:9px;font-size:21px;font-weight:700;display:flex}.brand:hover{color:var(--ink-strong)}.brand .mark{width:26px;height:26px;color:var(--accent);flex:none}.main-nav{align-items:center;gap:2px;margin-left:8px;display:flex}.main-nav a{color:var(--muted);white-space:nowrap;border-radius:8px;padding:7px 11px;font-size:14.5px}.main-nav a:hover{color:var(--ink-strong);background:var(--accent-soft)}.main-nav a.active{color:var(--accent-strong);font-weight:600}.header-actions{align-items:center;gap:6px;margin-left:auto;display:flex}.icon-btn{width:44px;height:44px;color:var(--muted);border-radius:10px;justify-content:center;align-items:center;transition:background .15s,color .15s;display:inline-flex}.icon-btn:hover{background:var(--accent-soft);color:var(--ink-strong)}.icon-btn svg{width:20px;height:20px}.nav-toggle,.mobile-nav{display:none}.hero{margin-bottom:44px}.hero-card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:var(--radius);box-shadow:var(--shadow-card);flex-direction:column;gap:12px;padding:30px 30px 24px;display:flex}.hero-card h1{font-family:var(--font-serif);color:var(--ink-strong);letter-spacing:.02em;margin:0;font-size:clamp(28px,3.4vw,40px);line-height:1.32}.hero-card p{color:var(--muted);max-width:40em;margin:0;font-size:15px}.hero-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:6px;font-size:13.5px;display:flex}.hero-meta svg{width:16px;height:16px;color:var(--accent);vertical-align:-3px;margin-right:5px}.hero-meta a{color:var(--accent);font-size:13.5px}.hero-meta a:hover{color:var(--accent-strong)}.hero-meta .sep{color:var(--line)}.section-title{align-items:baseline;gap:12px;margin:44px 0 18px;display:flex}.section-title h2{font-family:var(--font-serif);color:var(--ink-strong);letter-spacing:.03em;margin:0;font-size:22px}.section-title .more{color:var(--muted);margin-left:auto;font-size:13px}.section-title .more:hover{color:var(--accent-strong)}.cat-grid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card);flex-direction:column;gap:8px;padding:19px;transition:border-color .15s,transform .15s;display:flex}.cat-card:hover{border-color:var(--accent-border);transform:translateY(-2px)}.cat-card.empty{border-style:dashed}.cat-card .name{color:var(--ink-strong);font-size:16px;font-weight:650}.cat-card .blurb{color:var(--muted);flex:1;font-size:13px;line-height:1.65}.cat-card .count{color:var(--faint);font-size:12px}.cat-card:not(.empty) .count{color:var(--accent)}.post-list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.post-item{border-bottom:1px solid var(--line)}.post-item a{color:inherit;border-radius:8px;grid-template-columns:92px 1fr;align-items:baseline;gap:18px;padding:22px 4px;display:grid}.post-item a:hover{background:var(--accent-soft)}.post-item time{color:var(--faint);font-variant-numeric:tabular-nums;font-size:13px;line-height:1.55}.post-item .title{color:var(--ink-strong);margin:0 0 6px;font-size:17.5px;font-weight:640;line-height:1.55}.post-item a:hover .title{color:var(--accent-strong)}.post-item .desc{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 9px;font-size:14px;line-height:1.75;display:-webkit-box;overflow:hidden}.post-item .meta{color:var(--faint);flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;display:flex}.post-item .meta .cat{color:var(--accent);font-weight:550}.tag-chip{background:var(--bg-soft);border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:99px;align-items:center;padding:6px 11px;font-size:12.5px;line-height:1;display:inline-flex}.tag-chip:hover{border-color:var(--accent-border);color:var(--accent-strong);background:var(--accent-soft)}.page-head{margin:6px 0 26px}.page-head h1{font-family:var(--font-serif);color:var(--ink-strong);letter-spacing:.03em;margin:0 0 8px;font-size:30px}.page-head .sub{color:var(--muted);margin:0;font-size:15px}.pagination{justify-content:center;align-items:center;gap:8px;margin-top:34px;font-size:14px;display:flex}.pagination a,.pagination span{min-width:38px;height:38px;color:var(--muted);border:1px solid var(--line);background:var(--card);border-radius:9px;justify-content:center;align-items:center;padding:0 10px;display:inline-flex}.pagination .cur{color:var(--accent-strong);border-color:var(--accent-border);background:var(--accent-soft);font-weight:640}.pagination a:hover{border-color:var(--accent-border);color:var(--accent-strong)}.pagination .gap{background:0 0;border:0}.archive-year{font-family:var(--font-serif);color:var(--ink-strong);margin:34px 0 6px;font-size:24px}.archive-year:first-of-type{margin-top:10px}.archive-list{margin:0;padding:0;list-style:none}.archive-list li{border-bottom:1px dashed var(--line-soft);align-items:baseline;gap:14px;padding:9px 2px;display:flex}.archive-list time{color:var(--faint);font-variant-numeric:tabular-nums;flex:none;width:56px;font-size:12.5px}.archive-list a{color:var(--ink);font-size:15.5px}.archive-list a:hover{color:var(--accent-strong)}.tag-cloud{flex-wrap:wrap;gap:10px;display:flex}.tag-cloud .tag-chip{padding:7px 13px;font-size:13.5px}.tag-cloud .tag-chip .n{color:var(--faint);margin-left:6px;font-size:11.5px}.post-layout{grid-template-columns:minmax(0,1fr) 230px;align-items:start;gap:44px;display:grid}.post-header{margin:14px 0 30px}.post-header .cats{color:var(--faint);align-items:center;gap:10px;margin-bottom:12px;font-size:13px;display:flex}.post-header .cats .cat-link{color:var(--accent);font-weight:550}.post-header h1{font-family:var(--font-serif);color:var(--ink-strong);letter-spacing:.02em;margin:0 0 14px;font-size:clamp(26px,5vw,36px);line-height:1.45}.post-header .desc{color:var(--muted);margin:0 0 14px;font-size:15.5px;line-height:1.75}.post-header .post-meta{color:var(--faint);flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;display:flex}.post-header .post-meta .dot{background:var(--faint);border-radius:50%;width:3px;height:3px}.prose{overflow-wrap:break-word;font-size:16.5px;line-height:1.88}.prose>*+*{margin-top:1.1em}.prose h2,.prose h3,.prose h4{font-family:var(--font-serif);color:var(--ink-strong);letter-spacing:.02em;margin-top:1.9em;margin-bottom:.55em;line-height:1.5}.prose h2{border-bottom:1px solid var(--line);padding-bottom:.35em;font-size:24.5px}.prose h3{font-size:19.5px}.prose h4{font-size:17px}.prose p{margin:0}.prose a{text-decoration:underline;text-decoration-color:var(--accent-border);text-underline-offset:4px}.prose a:hover{text-decoration-color:var(--accent)}.prose blockquote{border-left:3px solid var(--accent-border);color:var(--muted);margin:1.3em 0;padding:4px 0 4px 18px}.prose blockquote p{margin:.3em 0}.prose ul,.prose ol{margin:1.1em 0;padding-left:1.5em}.prose li+li{margin-top:.4em}.prose li::marker{color:var(--faint)}.prose strong{color:var(--ink-strong);font-weight:660}.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}.prose img{border-radius:var(--radius);border:1px solid var(--line-soft)}.h-anchor{color:var(--faint);opacity:0;font-size:.72em;font-family:var(--font-sans);margin-left:8px;font-weight:400;text-decoration:none;transition:opacity .15s}h2:hover .h-anchor,h3:hover .h-anchor,h4:hover .h-anchor,.h-anchor:focus-visible{opacity:1}.table-scroll{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);-webkit-overflow-scrolling:touch;margin:1.4em 0;position:relative;overflow-x:auto}.table-scroll table{border-collapse:collapse;min-width:100%;margin:0;font-size:14px;line-height:1.65}.table-scroll th{text-align:left;white-space:nowrap;background:var(--bg-soft);color:var(--ink-strong);font-weight:640}.table-scroll th,.table-scroll td{border-bottom:1px solid var(--line-soft);vertical-align:top;padding:9px 14px}.table-scroll tr:last-child td{border-bottom:0}.table-scroll:after{content:"";background:linear-gradient(to right, transparent, var(--card) 75%);pointer-events:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;width:28px;position:absolute;top:1px;bottom:1px;right:1px}.table-scroll.scrolled-end:after{opacity:0}.prose code:not(pre code){font-family:var(--font-mono);background:var(--code-bg);border:1px solid var(--line-soft);overflow-wrap:anywhere;border-radius:5px;padding:2px 6px;font-size:.86em}.prose pre{border-radius:var(--radius-sm);border:1px solid var(--line-soft);font-size:13.5px;line-height:1.7;font-family:var(--font-mono);-webkit-overflow-scrolling:touch;margin:1.4em 0;padding:15px 18px;overflow-x:auto}.prose pre code{background:0 0;border:0;padding:0;font-family:inherit}.prose pre.astro-code{background-color:var(--shiki-light-bg,#f5f3ec)!important;color:var(--shiki-light,#24292e)!important}[data-theme=dark] .prose pre.astro-code{background-color:var(--shiki-dark-bg,#0d1117)!important;color:var(--shiki-dark,#c9d1d9)!important}[data-theme=dark] .prose pre.astro-code span{color:var(--shiki-dark,inherit)}.toc{top:calc(var(--header-h) + 24px);max-height:calc(100vh - var(--header-h) - 60px);background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid var(--accent-border);border-radius:var(--radius);padding:16px 16px 14px;font-size:13.5px;line-height:1.7;position:sticky;overflow-y:auto}.toc .toc-title{letter-spacing:.14em;color:var(--faint);margin-bottom:10px;font-size:12px}.toc ol{margin:0;padding:0;list-style:none}.toc li{margin:0}.toc a{-webkit-line-clamp:2;color:var(--muted);border-radius:6px;-webkit-box-orient:vertical;padding:4px 6px;display:-webkit-box;overflow:hidden}.toc a:hover{color:var(--accent-strong);background:var(--accent-soft)}.toc a.l2{color:var(--ink);font-weight:550}.toc a.l3{padding-left:16px}.toc a.l4{color:var(--faint);padding-left:28px}.toc a.active{color:var(--accent-strong);background:var(--accent-soft)}.toc-fab{right:14px;bottom:calc(84px + env(safe-area-inset-bottom,0px));z-index:40;background:var(--card);border:1px solid var(--line);width:46px;height:46px;box-shadow:var(--shadow-pop);color:var(--ink-strong);border-radius:50%;justify-content:center;align-items:center;display:none;position:fixed}.toc-fab svg{width:20px;height:20px}.toc-sheet{inset:auto 12px calc(140px + env(safe-area-inset-bottom,0px)) 12px;z-index:45;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-pop);border-radius:14px;max-height:52vh;padding:16px 18px;display:none;position:fixed;overflow-y:auto}.toc-sheet.open{display:block}.toc-sheet a{-webkit-line-clamp:2;color:var(--muted);border-radius:6px;-webkit-box-orient:vertical;padding:6px 8px;display:-webkit-box;overflow:hidden}.toc-sheet a.l2{color:var(--ink);font-weight:550}.toc-sheet a.l3{padding-left:18px}.toc-sheet a:hover,.toc-sheet a.active{color:var(--accent-strong);background:var(--accent-soft)}.share-row{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:22px;display:flex}.share-row .label{color:var(--faint);font-size:13px}.share-btn{border:1px solid var(--line);background:var(--card);height:44px;color:var(--ink);border-radius:10px;justify-content:center;align-items:center;gap:7px;min-width:44px;padding:0 16px;font-size:13.5px;transition:border-color .15s,background .15s;display:inline-flex}.share-btn:hover{border-color:var(--accent-border);background:var(--accent-soft)}.share-btn svg{width:16px;height:16px;color:var(--accent)}.share-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.share-btn.primary:hover{background:var(--accent-strong);color:#fff}.share-btn.primary svg{color:#fff}.share-dock{z-index:48;background:color-mix(in srgb, var(--card) 92%, transparent);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:8px 14px calc(8px + env(safe-area-inset-bottom,0px));justify-content:center;align-items:center;gap:8px;transition:transform .25s;display:none;position:fixed;bottom:0;left:0;right:0}.share-dock.dock-hidden{transform:translateY(calc(100% + 12px))}.share-dock .share-btn{flex:1;max-width:200px}.wx-guide{border-radius:var(--radius);background:var(--accent-soft);border:1px solid var(--accent-border);color:var(--ink);margin-top:18px;padding:13px 16px;font-size:14px;line-height:1.7;display:none}.wx-guide .t{color:var(--accent-strong);margin-bottom:2px;font-weight:650}.toast{left:50%;bottom:calc(96px + env(safe-area-inset-bottom,0px));background:var(--ink-strong);color:var(--bg);opacity:0;pointer-events:none;z-index:90;white-space:nowrap;border-radius:99px;padding:9px 18px;font-size:13.5px;transition:opacity .2s,transform .2s;position:fixed;transform:translate(-50%)translateY(8px)}.toast.show{opacity:.96;transform:translate(-50%)translateY(0)}.search-overlay{z-index:80;-webkit-backdrop-filter:blur(3px);background:#10161473;display:none;position:fixed;inset:0}.search-overlay.open{display:block}.search-panel{background:var(--card);border:1px solid var(--line);max-width:640px;box-shadow:var(--shadow-pop);border-radius:14px;margin:9vh auto 0;overflow:hidden}.search-inputbar{border-bottom:1px solid var(--line-soft);align-items:center;gap:10px;padding:14px 18px;display:flex}.search-inputbar svg{width:18px;height:18px;color:var(--faint);flex:none}#search-input{font:inherit;color:var(--ink);background:0 0;border:0;outline:none;flex:1;min-width:0;font-size:16.5px}#search-input::placeholder{color:var(--faint)}.search-results{min-height:90px;max-height:56vh;padding:8px;overflow-y:auto}.search-hint{color:var(--faint);text-align:center;padding:18px 12px;font-size:13.5px}.search-result{color:inherit;border-radius:10px;padding:11px 12px;display:block}.search-result:hover,.search-result.sel{background:var(--accent-soft)}.search-result .r-title{color:var(--ink-strong);margin-bottom:2px;font-size:15px;font-weight:600}.search-result .r-excerpt{color:var(--muted);font-size:13px;line-height:1.65}.search-result mark{color:var(--accent-strong);background:0 0;font-weight:650}.theme-btn svg{transition:opacity .15s}.theme-btn .i-auto,.theme-btn .i-light,.theme-btn .i-dark{display:none}.theme-btn[data-mode=system] .i-auto,.theme-btn[data-mode=light] .i-light,.theme-btn[data-mode=dark] .i-dark{display:block}.callout{border-radius:var(--radius-sm);border:1px solid var(--accent-border);background:var(--accent-soft);margin:1.4em 0;padding:14px 17px;font-size:15px;line-height:1.75}.callout .callout-title{color:var(--accent-strong);margin-bottom:4px;font-size:14px;font-weight:650}.callout p{margin:.25em 0}.narrow{max-width:var(--prose-width);margin:0 auto}.empty-state{text-align:center;color:var(--faint);padding:48px 0;font-size:14.5px}.notfound{text-align:center;padding:72px 0 40px}.notfound .code{font-family:var(--font-serif);color:var(--accent);margin-bottom:12px;font-size:84px;line-height:1}.notfound h1{font-family:var(--font-serif);color:var(--ink-strong);margin:0 0 10px;font-size:24px}.notfound p{color:var(--muted);margin:0 0 22px}.foot-grid{flex-wrap:wrap;gap:24px 48px;margin-bottom:22px;display:flex}.foot-col h3{letter-spacing:.14em;color:var(--muted);margin:0 0 10px;font-size:12px;font-weight:600}.foot-col ul{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.foot-col a{color:var(--muted);font-size:13.5px}.foot-col a:hover{color:var(--accent-strong)}.foot-legal{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px 20px;padding-top:18px;font-size:12.5px;display:flex}.foot-legal a{color:var(--muted)}.foot-legal a:hover{color:var(--accent-strong)}.foot-legal .copyright{margin-right:auto}@media (width<=900px){html{scroll-padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}.hero{margin-bottom:36px}.cat-grid{grid-template-columns:repeat(2,1fr)}.post-layout{display:block}.toc{display:none}.toc-fab{display:inline-flex}.share-dock{display:flex}.post-body-wrap{padding-bottom:80px}}@media (width<=720px){.site-header .inner{padding:0 14px}.site-main>.inner{padding:22px 16px 64px}.main-nav{display:none}.nav-toggle{display:inline-flex}.mobile-nav.open{top:var(--header-h);z-index:49;background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--shadow-pop);padding:8px 14px 14px;display:block;position:fixed;left:0;right:0}.mobile-nav a{color:var(--ink-strong);border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;padding:13px 10px;font-size:16px;display:flex}.mobile-nav a .cnt{color:var(--faint);font-size:12px}.hero-card{padding:20px 18px 18px}.hero-card h1{font-size:24px}.cat-grid{gap:10px}.post-item a{grid-template-columns:1fr;gap:3px;padding:16px 2px}.post-item time{order:2}.post-item .title{font-size:16.5px}.prose{font-size:16px}.prose h2{font-size:22px}.prose h3{font-size:18.5px}.share-row{display:none}.search-panel{margin:4vh 10px 0}}@media (width<=360px){body{font-size:15.5px}.cat-grid{grid-template-columns:1fr}.share-dock{gap:6px}.share-dock .share-btn{padding:0 8px;font-size:13px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.nf-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.icon-sm{width:16px;height:16px}.chip-draft{color:#b06a1c;background:#cc781e1f;border-color:#cc781e4d}.pagination .page-dis{opacity:.35;background:0 0;border-color:#0000}.dock-sentinel{width:1px;height:1px;position:absolute;bottom:0}.wx-guide.shown{display:block}.email-img{vertical-align:-5px;width:auto;height:26px;margin:2px 0;display:inline-block}[data-theme=dark] .only-light,[data-theme=light] .only-dark,.only-dark{display:none}[data-theme=dark] .only-dark{display:inline-block}