:root{color-scheme:light;--garden-bg: #ffffff;--garden-bg-soft: #f7f7f5;--garden-bg-elevated: #ffffff;--garden-text: #1f2328;--garden-text-muted: #656d76;--garden-text-subtle: #8b949e;--garden-accent: #0a66c2;--garden-accent-soft: rgba(10, 102, 194, .12);--garden-accent-contrast: #ffffff;--garden-border: #e4e6eb;--garden-border-strong: #cdd0d6;--garden-link: #0a66c2;--garden-link-visited: #8250df;--garden-tag-bg: #eef1f7;--garden-tag-text: #44546a;--garden-code-bg: #f6f8fa;--garden-code-text: #24292f;--garden-blockquote-border: #d0d7de;--garden-shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 4px 16px rgba(0, 0, 0, .06);--garden-shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--garden-radius: 12px;--garden-radius-sm: 8px;--garden-header-h: 60px;--garden-maxw: 980px;--garden-gutter: clamp(16px, 4vw, 32px)}:root[data-theme=dark]{color-scheme:dark;--garden-bg: #0d1117;--garden-bg-soft: #161b22;--garden-bg-elevated: #161b22;--garden-text: #e6edf3;--garden-text-muted: #9da7b3;--garden-text-subtle: #6b7683;--garden-accent: #4493f8;--garden-accent-soft: rgba(68, 147, 248, .18);--garden-accent-contrast: #0d1117;--garden-border: #30363d;--garden-border-strong: #484f58;--garden-link: #4493f8;--garden-link-visited: #b083f0;--garden-tag-bg: #212f48;--garden-tag-text: #a5c9ff;--garden-code-bg: #161b22;--garden-code-text: #e6edf3;--garden-blockquote-border: #3d444d;--garden-shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .35);--garden-shadow-sm: 0 1px 2px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--garden-bg);color:var(--garden-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;transition:background-color .25s ease,color .25s ease}a{color:var(--garden-link);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--garden-accent);outline-offset:2px;border-radius:4px}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;padding:10px 16px;background:var(--garden-accent);color:var(--garden-accent-contrast);border-radius:0 0 8px}.skip-link:focus{left:0}.container{width:100%;max-width:var(--garden-maxw);margin:0 auto;padding-left:var(--garden-gutter);padding-right:var(--garden-gutter)}.site-header{position:sticky;top:0;z-index:40;height:var(--garden-header-h);background:color-mix(in srgb,var(--garden-bg) 82%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--garden-border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--garden-text);font-size:1.05rem;white-space:nowrap}.brand:hover{text-decoration:none}.brand .brand-mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center}.nav{display:flex;align-items:center;gap:6px}.nav a.nav-link{color:var(--garden-text-muted);padding:7px 12px;border-radius:8px;font-size:.95rem;font-weight:500}.nav a.nav-link:hover{color:var(--garden-text);background:var(--garden-bg-soft);text-decoration:none}.nav a.nav-link.active{color:var(--garden-accent);background:var(--garden-accent-soft)}.header-actions{display:flex;align-items:center;gap:6px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--garden-text-muted);cursor:pointer;font-size:17px;transition:background-color .15s ease,color .15s ease}.icon-btn:hover{background:var(--garden-bg-soft);color:var(--garden-text)}.icon-btn svg{display:block}[data-theme=light] .theme-icon-sun,[data-theme=dark] .theme-icon-moon,.menu-toggle{display:none}.nav-drawer{position:fixed;inset:0;z-index:50;background:color-mix(in srgb,var(--garden-bg) 40%,transparent);visibility:hidden;opacity:0;transition:opacity .2s ease,visibility .2s ease}.nav-drawer.open{visibility:visible;opacity:1}.nav-drawer-inner{position:absolute;top:0;right:0;bottom:0;width:78%;max-width:320px;background:var(--garden-bg-elevated);border-left:1px solid var(--garden-border);padding:20px;display:flex;flex-direction:column;gap:4px;transform:translate(100%);transition:transform .24s ease}.nav-drawer.open .nav-drawer-inner{transform:translate(0)}.nav-drawer a.nav-drawer-link{padding:12px 14px;border-radius:10px;color:var(--garden-text);font-weight:500}.nav-drawer a.nav-drawer-link:hover{background:var(--garden-bg-soft);text-decoration:none}.site-main{min-height:calc(100vh - var(--garden-header-h));padding:clamp(24px,5vh,48px) 0 64px}.hero{padding:clamp(24px,6vh,64px) 0 32px}.hero h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 8px;letter-spacing:-.02em;line-height:1.15}.hero .hero-sub{color:var(--garden-text-muted);font-size:1.15rem}.hero-stats{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}.stat-chip{background:var(--garden-bg-soft);border:1px solid var(--garden-border);padding:8px 14px;border-radius:999px;font-size:.9rem;color:var(--garden-text-muted)}.section-title{font-size:1.25rem;font-weight:700;margin:32px 0 16px;display:flex;align-items:center;justify-content:space-between}.note-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.note-card{display:flex;flex-direction:column;gap:8px;padding:18px 20px;background:var(--garden-bg-elevated);border:1px solid var(--garden-border);border-radius:var(--garden-radius);box-shadow:var(--garden-shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.note-card:hover{transform:translateY(-2px);box-shadow:var(--garden-shadow);border-color:var(--garden-border-strong);text-decoration:none}.note-card h3{margin:0;font-size:1.05rem;color:var(--garden-text)}.note-card p{margin:0;color:var(--garden-text-muted);font-size:.92rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.note-card .card-meta{color:var(--garden-text-subtle);font-size:.8rem}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.subject-card{position:relative;display:flex;flex-direction:column;gap:10px;justify-content:space-between;min-height:110px;padding:20px 22px;background:var(--garden-bg-elevated);border:1px solid var(--garden-border);border-radius:var(--garden-radius);box-shadow:var(--garden-shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.subject-card:hover{transform:translateY(-2px);box-shadow:var(--garden-shadow);border-color:var(--garden-border-strong);text-decoration:none}.subject-card h3{margin:0;padding-right:22px;font-size:1.1rem;color:var(--garden-text)}.subject-card .card-meta{color:var(--garden-text-subtle);font-size:.82rem}.subject-card .subject-lock{position:absolute;top:10px;right:12px;display:grid;place-items:center;width:22px;height:22px;color:var(--garden-text-subtle);opacity:.75}.subject-card .subject-lock svg{width:15px;height:15px}.subject-section+.subject-section{margin-top:8px}.note-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start}.note-article{max-width:100%;min-width:0}.note-article .note-title{font-size:clamp(1.7rem,3.5vw,2.4rem);line-height:1.2;margin:0 0 10px;letter-spacing:-.015em}.note-meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--garden-text-muted);font-size:.85rem;padding-bottom:18px;border-bottom:1px solid var(--garden-border);margin-bottom:22px}.draft-badge{background:var(--garden-accent-soft);color:var(--garden-accent);padding:2px 10px;border-radius:999px;font-weight:600;font-size:.78rem}.note-content{font-size:1.02rem}.note-content h1,.note-content h2,.note-content h3,.note-content h4,.note-content h5{color:var(--garden-text);line-height:1.3;scroll-margin-top:calc(var(--garden-header-h) + 16px)}.note-content h2{font-size:1.45rem;border-bottom:1px solid var(--garden-border);padding-bottom:6px;margin:1.6em 0 .6em}.note-content h3{font-size:1.2rem;margin:1.4em 0 .5em}.note-content p{margin:0 0 1.05em}.note-content ul,.note-content ol{margin:0 0 1.05em;padding-left:1.4em}.note-content li{margin-bottom:.3em}.note-content blockquote{margin:0 0 1.05em;padding:.6em 1.1em;border-left:3px solid var(--garden-accent);background:var(--garden-bg-soft);color:var(--garden-text-muted);border-radius:0 8px 8px 0}.note-content .callout{--callout-accent: var(--garden-accent);margin:0 0 1.05em;padding:.75em 1em;border:1px solid var(--callout-border, var(--garden-border));border-left:3px solid var(--callout-accent);border-radius:var(--garden-radius-sm);background:color-mix(in srgb,var(--callout-accent) 7%,var(--garden-bg));color:var(--garden-text)}.note-content .callout-note,.note-content .callout-default{--callout-accent: var(--garden-accent)}.note-content .callout-tip,.note-content .callout-hint,.note-content .callout-important{--callout-accent: #12b76a}.note-content .callout-success,.note-content .callout-check,.note-content .callout-done{--callout-accent: #17a857}.note-content .callout-warning,.note-content .callout-caution{--callout-accent: #f79009}.note-content .callout-danger,.note-content .callout-error,.note-content .callout-fire{--callout-accent: #f04438}.note-content .callout-quote,.note-content .callout-cite{--callout-accent: #a379e0}.note-content .callout-question,.note-content .callout-help{--callout-accent: #6aa6ff}.note-content .callout-example,.note-content .callout-abstract,.note-content .callout-summary,.note-content .callout-tldr{--callout-accent: #8b949e}.note-content .callout-bug{--callout-accent: #e36209}.note-content .callout-title{display:flex;align-items:center;gap:.5em;font-weight:700;font-size:.95em;margin-bottom:.35em;color:var(--garden-text)}.note-content .callout-icon{display:inline-flex;line-height:1}.note-content .callout-fold{display:inline-flex;align-items:center;justify-content:center;width:1.1em;color:var(--garden-text-muted);font-size:.8em;transition:transform .15s ease}.note-content .callout-content>:last-child{margin-bottom:0}.note-content .callout .callout{margin-top:.6em}.note-content code{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:.88em;background:var(--garden-code-bg);color:var(--garden-code-text);padding:.15em .4em;border-radius:5px}.note-content pre{background:var(--garden-code-bg);color:var(--garden-code-text);padding:16px;border-radius:var(--garden-radius-sm);overflow-x:auto;border:1px solid var(--garden-border);margin:0 0 1.05em}.note-content pre code{background:transparent;padding:0;font-size:.9em}.note-content table{width:100%;border-collapse:collapse;margin:0 0 1.05em;font-size:.95em}.note-content .table-wrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;margin:0 0 1.05em;border-radius:var(--garden-radius-sm)}.note-content .table-wrap table{width:auto;min-width:100%;margin:0}.note-content th,.note-content td{border:1px solid var(--garden-border);padding:8px 12px;text-align:left}.note-content th{background:var(--garden-bg-soft);font-weight:600}.note-content img{max-width:100%;height:auto;border-radius:var(--garden-radius-sm)}.note-content hr{border:none;border-top:1px solid var(--garden-border);margin:2em 0}.note-content a.internal-link{border-bottom:1px dashed var(--garden-border-strong)}.note-content a.internal-link:hover{border-bottom-style:solid}.note-content a.internal-link.unresolved{color:var(--garden-text-subtle);border-bottom-style:dashed}.note-content .tag{display:inline-block;background:var(--garden-tag-bg);color:var(--garden-tag-text);font-size:.82em;padding:.05em .55em;border-radius:999px;margin-right:4px;text-decoration:none}.note-content .tag:hover{filter:brightness(.97);text-decoration:underline}.note-side{position:sticky;top:calc(var(--garden-header-h) + 20px);max-height:calc(100vh - var(--garden-header-h) - 40px);overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:24px;padding:4px;margin:-4px;scrollbar-width:thin}.note-side::-webkit-scrollbar{width:8px}.note-side::-webkit-scrollbar-thumb{background:var(--garden-border);border-radius:4px}.note-layout.side-collapsed{grid-template-columns:minmax(0,1fr)}.note-layout.side-collapsed .note-side{display:none}.side-toggle{position:fixed;top:50%;right:14px;transform:translateY(-50%);z-index:30;width:28px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--garden-bg-elevated);border:1px solid var(--garden-border);border-radius:10px;color:var(--garden-text-muted);cursor:pointer;font-size:13px;box-shadow:var(--garden-shadow-sm);transition:background-color .15s ease,color .15s ease,border-color .15s ease}.side-toggle:hover{background:var(--garden-bg-soft);color:var(--garden-text);border-color:var(--garden-border-strong)}.side-toggle .side-toggle-ico{display:inline-flex;line-height:1;transition:transform .2s ease}.note-layout.side-collapsed .side-toggle .side-toggle-ico{transform:rotate(180deg)}.link-preview{position:fixed;z-index:120;width:min(380px,80vw);max-height:min(70vh,520px);overflow:hidden;display:flex;flex-direction:column;background:var(--garden-bg-elevated);border:1px solid var(--garden-border-strong);border-radius:var(--garden-radius);box-shadow:var(--garden-shadow);pointer-events:auto}.link-preview .link-preview-title{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--garden-border);font-weight:600;color:var(--garden-text)}.link-preview .link-preview-title a{font-size:.8rem;font-weight:500;color:var(--garden-accent);white-space:nowrap}.link-preview .link-preview-title a:hover{text-decoration:underline}.link-preview .link-preview-body{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:10px 14px;color:var(--garden-text-muted)}.link-preview .link-preview-content{font-size:.9rem;line-height:1.55}.link-preview .link-preview-content h1,.link-preview .link-preview-content h2,.link-preview .link-preview-content h3,.link-preview .link-preview-content h4,.link-preview .link-preview-content h5{font-size:1.05rem;margin:.8em 0 .4em;padding-bottom:0;border-bottom:none;scroll-margin-top:0}.link-preview .link-preview-content h1{font-size:1.2rem}.link-preview .link-preview-content p,.link-preview .link-preview-content ul,.link-preview .link-preview-content ol,.link-preview .link-preview-content blockquote,.link-preview .link-preview-content .callout{margin:0 0 .6em}.link-preview .link-preview-content :last-child{margin-bottom:0}.link-preview .link-preview-content pre,.link-preview .link-preview-content img,.link-preview .link-preview-content .callout{max-height:220px}.link-preview .link-preview-content pre{overflow:auto}.link-preview .link-preview-content .callout-content{max-height:180px;overflow-y:auto}.link-preview .link-preview-content table{font-size:.85rem}.link-preview .link-preview-content th,.link-preview .link-preview-content td{padding:4px 8px}.link-preview .link-preview-loading{padding:14px;color:var(--garden-text-subtle);font-size:.85rem}.link-preview .link-preview-skeleton{display:flex;flex-direction:column;gap:8px;padding:14px}.link-preview .link-preview-skeleton span{height:10px;border-radius:4px;background:linear-gradient(90deg,var(--garden-bg-soft),var(--garden-bg-elevated),var(--garden-bg-soft));background-size:200% 100%;animation:link-preview-shimmer 1.2s infinite}@keyframes link-preview-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.side-panel{background:var(--garden-bg-soft);border:1px solid var(--garden-border);border-radius:var(--garden-radius);padding:16px}.side-panel-title{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin:0 0 10px;padding:0;background:none;border:none;font:inherit;font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--garden-text-muted);text-align:left;cursor:pointer}.side-panel-title:hover,.side-panel-title:focus-visible{color:var(--garden-text);outline:none}.side-panel-title .side-panel-chev{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;line-height:1;color:var(--garden-text-subtle);transform-origin:center;transition:transform .22s ease}.side-panel.collapsed .side-panel-title .side-panel-chev{transform:rotate(90deg)}.side-panel-body{display:grid;grid-template-rows:1fr;transition:grid-template-rows .22s ease}.side-panel.collapsed .side-panel-body{grid-template-rows:0fr}.side-panel-body>*{min-height:0;overflow:hidden}.toc-list{list-style:none;margin:0;padding:0;font-size:.9rem}.toc-list li{margin-bottom:4px}.toc-list a{color:var(--garden-text-muted)}.toc-list a:hover{color:var(--garden-text)}.toc-list li.depth-2{padding-left:.4em}.toc-list li.depth-3{padding-left:1.2em}.backlink-list{list-style:none;margin:0;padding:0;font-size:.9rem}.backlink-list li{margin-bottom:8px}.backlink-list a{font-weight:500;color:var(--garden-text)}.backlink-list .backlink-snip{display:block;color:var(--garden-text-subtle);font-size:.82rem;margin-top:2px}.empty-hint{color:var(--garden-text-subtle);font-size:.9rem}.page-head{margin-bottom:24px}.page-head h1{font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 6px}.page-head .page-desc{color:var(--garden-text-muted)}.note-list{display:flex;flex-direction:column;gap:12px}.note-row{display:flex;align-items:baseline;gap:16px;padding:14px 18px;background:var(--garden-bg-elevated);border:1px solid var(--garden-border);border-radius:var(--garden-radius-sm);transition:border-color .15s ease,background-color .15s ease}.note-row:hover{border-color:var(--garden-border-strong);background:var(--garden-bg-soft)}.note-row .row-title{font-weight:600;color:var(--garden-text);flex:1}.note-row .row-meta{color:var(--garden-text-subtle);font-size:.82rem;white-space:nowrap}.notes-sentinel{display:flex;align-items:center;justify-content:center;gap:9px;padding:22px 16px 8px;color:var(--garden-text-subtle);font-size:.88rem}.notes-sentinel .sentinel-spinner{flex:none;width:18px;height:18px;border:2px solid var(--garden-border-strong);border-top-color:var(--garden-accent);border-radius:50%;animation:notes-spin .8s linear infinite}@keyframes notes-spin{to{transform:rotate(360deg)}}.attachment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;padding:4px 0}.attachment-item{display:flex;flex-direction:column;gap:6px;padding:10px;background:var(--garden-bg-elevated);border:1px solid var(--garden-border);border-radius:var(--garden-radius-sm);text-decoration:none;color:var(--garden-text);overflow:hidden;transition:border-color .15s ease,background-color .15s ease}.attachment-item:hover{border-color:var(--garden-border-strong);background:var(--garden-bg-soft)}.attachment-image img{width:100%;aspect-ratio:4 / 3;object-fit:cover;border-radius:var(--garden-radius-xs, 6px);background:var(--garden-bg-soft)}.attachment-file{justify-content:center;min-height:90px}.attachment-name{font-size:.78rem;color:var(--garden-text-subtle);word-break:break-all;line-height:1.35}.attachment-image .attachment-name{text-align:center}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;padding:8px 0}.tag-pill{background:var(--garden-tag-bg);color:var(--garden-tag-text);padding:6px 13px;border:1px solid transparent;border-radius:999px;font-size:.92rem;font-weight:500;transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s cubic-bezier(.2,.8,.2,1)}.tag-pill:hover{background:var(--garden-accent-soft);color:var(--garden-accent);border-color:var(--garden-accent-soft);transform:scale(1.05);text-decoration:none}.tag-pill .count{opacity:.7;font-size:.85em;margin-left:4px}.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--garden-text-subtle);font-size:.9rem;margin-bottom:16px}.breadcrumb a{color:var(--garden-accent)}.search-overlay{position:fixed;inset:0;z-index:90;background:color-mix(in srgb,var(--garden-bg) 55%,transparent);backdrop-filter:blur(6px);display:flex;justify-content:center;padding:12vh var(--garden-gutter) 0;visibility:hidden;opacity:0;transition:opacity .2s ease,visibility .2s 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