:root{color-scheme:light;--bg:#fff;--sidebar:#f5f4f7;--rail:#eeedf1;--line:#e8e6ed;--text:#302d37;--muted:#898490;--accent:#77639b;--accent-soft:#ece7f5;--hover:#eeecf2;--tab:#f9f8fa;--code:#f5f4f7;--shadow:0 18px 80px #21182a25;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}:root[data-theme=dark]{color-scheme:dark;--bg:#202024;--sidebar:#1b1b20;--rail:#16161a;--line:#303038;--text:#d9d7df;--muted:#96919f;--accent:#b39ad8;--accent-soft:#353044;--hover:#2a2831;--tab:#1c1c21;--code:#29282f;--shadow:0 18px 80px #0008}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}svg{flex-shrink:0}button svg{pointer-events:none}kbd{border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:4px;padding:2px 5px;font:11px inherit}h1,h2,h3,p{margin-top:0}.muted{color:var(--muted)}.skip-link{z-index:100;background:var(--bg);padding:12px;position:fixed;top:-60px;left:20px}.skip-link:focus{top:10px}.workspace{grid-template-columns:48px 258px minmax(0,1fr);height:100dvh;display:grid;overflow:hidden}.ribbon{background:var(--rail);border-right:1px solid var(--line);flex-direction:column;align-items:center;gap:17px;padding:16px 0;display:flex}.brand-mark{border:1px solid var(--accent);width:29px;height:31px;color:var(--accent);border-radius:7px;place-items:center;margin-bottom:12px;font:21px Songti SC,SimSun,serif;display:grid}.icon-button{width:30px;height:30px;color:var(--muted);background:0 0;border-radius:5px;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover{background:var(--hover);color:var(--text)}.ribbon-spacer{flex:1}.sidebar{background:var(--sidebar);border-right:1px solid var(--line);flex-direction:column;min-width:0;display:flex;overflow:hidden}.vault-title{letter-spacing:.5px;align-items:center;gap:10px;height:66px;padding:0 19px;font-size:14px;font-weight:600;display:flex}.vault-title svg{color:var(--accent)}.sidebar-search{background:var(--bg);border:1px solid var(--line);text-align:left;color:var(--muted);border-radius:6px;align-items:center;gap:8px;margin:0 14px;padding:9px 10px;font-size:12px;display:flex}.sidebar-search span{flex:1}.sidebar-label{letter-spacing:1px;color:var(--muted);justify-content:space-between;align-items:center;padding:17px 15px 7px 22px;font-size:11px;display:flex}.sidebar-label .icon-button{height:20px}.file-tree{scrollbar-width:thin;flex:1;padding:0 10px 24px;font-size:12px;overflow:auto}.tree-home,.tree-file,.tree-folder-row{border-radius:5px;align-items:center;gap:8px;min-height:32px;padding:6px 9px;display:flex}.tree-home{margin-bottom:9px}.tree-home.active,.tree-file.active{background:var(--accent-soft);color:var(--accent)}.tree-file:hover,.tree-folder-row:hover,.tree-home:hover{background:var(--hover)}.tree-file svg{color:var(--muted)}.tree-folder-row{text-align:left;width:100%;font:inherit;background:0 0;gap:3px;padding-left:3px}.folder-label{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.folder-toggle{text-align:center;color:var(--muted);background:0 0;flex-shrink:0;width:20px;height:22px;padding:0;font-size:14px;transition:transform .1s}.tree-folder-row[aria-expanded=true] .folder-toggle{transform:rotate(90deg)}.folder-children{border-left:1px solid var(--line);margin-left:11px;padding-left:8px}.tree-file{white-space:nowrap;text-overflow:ellipsis;gap:7px;font-size:12px;overflow:hidden}.tree-file span{text-overflow:ellipsis;overflow:hidden}.tree-file:before{content:"▤";color:var(--muted);font-size:13px}.vault-footer{border-top:1px solid var(--line);height:38px;color:var(--muted);flex-shrink:0;align-items:center;gap:7px;padding:0 15px;font-size:10px;display:flex}.status-dot{background:#91a38c;border-radius:50%;width:5px;height:5px}.footer-mode{margin-left:auto}.editor{background:var(--bg);flex-direction:column;min-width:0;display:flex}.tab-bar{background:var(--sidebar);border-bottom:1px solid var(--line);flex-shrink:0;align-items:center;height:43px;padding:6px 9px 0;display:flex}.document-tabs{scrollbar-width:thin;flex:1;align-self:stretch;gap:3px;min-width:0;display:flex;overflow-x:auto}.document-tab{min-width:130px;max-width:240px;height:36px;color:var(--muted);border:1px solid #0000;border-radius:7px 7px 0 0;flex-shrink:0;align-items:center;display:flex}.document-tab.active{background:var(--bg);border-color:var(--line);border-bottom-color:var(--bg);color:var(--text)}.tab-select{text-align:left;background:0 0;flex:1;align-items:center;gap:9px;min-width:0;height:100%;padding:0 10px 0 14px;font-size:12px;display:flex}.tab-select span:last-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.tab-select svg,.tab-icon{color:var(--accent);flex-shrink:0}.tab-close{width:24px;height:24px;color:var(--muted);background:0 0;border-radius:4px;flex-shrink:0;margin-right:5px;font-size:17px}.tab-close:hover{background:var(--hover);color:var(--text)}.tab-close:disabled{visibility:hidden}.navigation-status{z-index:5;border:1px solid var(--line);background:var(--bg);color:var(--muted);box-shadow:var(--shadow);border-radius:5px;padding:8px 12px;font-size:12px;position:absolute;top:49px;right:24px}.navigation-status button{color:var(--accent);background:0 0}.document-toolbar{border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;height:46px;padding:0 31px;display:flex}.breadcrumbs{color:var(--muted);white-space:nowrap;align-items:center;gap:11px;font-size:11px;display:flex;overflow:hidden}.breadcrumbs>span:last-child{text-overflow:ellipsis;color:var(--text);overflow:hidden}.breadcrumbs a:hover{color:var(--accent)}.reading-mode{color:var(--muted);flex-shrink:0;align-items:center;gap:5px;font-size:10px;display:flex}.document-body{flex:1;grid-template-columns:minmax(0,1fr);min-height:0;display:grid}.document-body.has-outline{grid-template-columns:minmax(0,1fr) 186px}.reading-pane{scroll-behavior:smooth;scrollbar-width:thin;outline:none;overflow:auto}.outline{scrollbar-width:thin;padding:36px 18px 24px 13px;overflow:auto}.outline-label{letter-spacing:1px;color:var(--muted);margin-bottom:18px;font-size:11px}.outline nav{border-left:1px solid var(--line)}.outline a{color:var(--muted);border-left:2px solid #0000;margin-left:-1px;padding:5px 0 5px 12px;font-size:11px;line-height:1.7;display:block}.outline a:hover,.outline a.active{color:var(--accent)}.outline a.active{border-color:var(--accent)}.outline a.subheading{padding-left:23px;font-size:10px}.home-content{max-width:980px;margin:auto;padding:58px 58px 30px}.home-eyebrow{color:var(--accent);letter-spacing:1.8px;align-items:center;gap:9px;margin-bottom:20px;font-size:11px;display:flex}.small-seal{border:1px solid var(--accent);border-radius:3px;padding:2px 4px;font-family:serif;font-size:13px}.home-content h1{letter-spacing:1px;margin-bottom:10px;font-size:32px;font-weight:600;line-height:1.5}.home-description{color:var(--muted);margin-bottom:28px;font-size:13px;line-height:1.8}.home-search{background:var(--bg);border:1px solid var(--line);width:100%;color:var(--muted);text-align:left;border-radius:8px;align-items:center;gap:12px;margin-bottom:37px;padding:16px 18px;display:flex;box-shadow:0 2px 5px #00000003}.home-search:hover{border-color:var(--accent)}.home-search span{flex:1;font-size:13px}.section-heading{justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px;display:flex}.section-heading h2{letter-spacing:.5px;margin:0;font-size:13px;font-weight:600}.section-heading>span{color:var(--muted);font-size:10px}.quick-heading{margin-top:30px}.quick-links{flex-wrap:wrap;gap:10px 20px;display:flex}.quick-links a{color:var(--accent);align-items:center;gap:9px;padding:4px 0;font-size:12px;display:flex}.quick-links a:hover{text-decoration:underline}.home-note{border-top:1px solid var(--line);color:var(--muted);margin:30px 0 0;padding-top:17px;font-size:10px;line-height:1.8}.article-content{max-width:860px;margin:auto;padding:38px 48px 35px}.article-header{margin-bottom:29px}.article-location{color:var(--muted);margin-bottom:14px;font-size:10px;line-height:1.8}.article-header h1{overflow-wrap:anywhere;margin-bottom:16px;font-size:30px;font-weight:600;line-height:1.5}.aliases{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:11px;display:flex}.aliases>span:first-child{margin-right:5px}.alias-chip{background:var(--code);border:1px solid var(--line);border-radius:4px;padding:3px 8px;font-size:10px}.prose{overflow-wrap:anywhere;font-size:15px;line-height:1.95}.prose h2{border-bottom:1px solid var(--line);margin:34px 0 16px;padding-bottom:9px;scroll-margin-top:25px;font-size:20px;font-weight:600}.prose h3{margin:28px 0 12px;scroll-margin-top:25px;font-size:17px;font-weight:600}.prose h4{margin:20px 0 10px;font-size:15px}.prose p{margin-bottom:17px}.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 28%, transparent);text-underline-offset:3px}.prose a:hover{text-decoration-color:var(--accent)}.prose ul,.prose ol{margin:15px 0 22px;padding-left:25px}.prose li{margin:8px 0;padding-left:3px}.prose li::marker{color:var(--muted)}.prose strong{font-weight:600}.prose code{background:var(--code);border-radius:4px;padding:2px 5px;font:12px ui-monospace,SFMono-Regular,Consolas,monospace}.prose pre{background:var(--code);border:1px solid var(--line);border-radius:6px;padding:18px;line-height:1.7;overflow:auto}.prose pre code{padding:0}.prose table{border-collapse:collapse;width:100%;margin:20px 0 26px;font-size:12px;line-height:1.8;display:block;overflow:auto}.prose th,.prose td{border:1px solid var(--line);vertical-align:top;min-width:95px;max-width:400px;padding:10px 13px}.prose th{background:var(--sidebar);text-align:left;white-space:nowrap;font-weight:600}.prose blockquote{border-left:3px solid var(--accent);background:var(--tab);color:var(--muted);margin:20px 0;padding:12px 18px}.prose blockquote p:last-child{margin:0}.prose hr{border:0;border-top:1px solid var(--line);margin:25px 0}.unavailable-link{color:var(--muted);text-underline-offset:3px;text-decoration:underline dotted}.article-footer{border-top:1px solid var(--line);color:var(--muted);margin-top:50px;padding-top:17px;font-size:10px}.article-footer span{margin:0 8px}.utility-content{max-width:980px;margin:auto;padding:46px 50px}.utility-content h1{margin-bottom:12px;font-size:29px;font-weight:600}@media (width<=760px){.utility-content{padding:30px 23px}}.primary-link{color:var(--accent);margin-top:20px;display:inline-block}dialog{border:1px solid var(--line);background:var(--bg);color:var(--text);width:min(650px,100vw - 32px);max-height:80dvh;box-shadow:var(--shadow);border-radius:11px;margin:14dvh auto auto;padding:0}dialog::backdrop{backdrop-filter:blur(3px);background:#1b152b45}.search-field{border-bottom:1px solid var(--line);color:var(--accent);align-items:center;gap:13px;padding:19px 22px;display:flex}.search-field input{width:100%;min-width:0;color:var(--text);background:0 0;border:0;outline:none;font-size:15px}.search-field input::placeholder{color:var(--muted)}.search-field input:focus-visible{outline:none}.search-status{color:var(--muted);margin:0;padding:15px 22px 5px;font-size:11px}.search-results{scrollbar-width:thin;max-height:48dvh;padding:8px 10px 15px;overflow:auto}.search-result{border-radius:6px;padding:11px 13px;display:block}.search-result:hover,.search-result.selected{background:var(--accent-soft)}.search-result-top{justify-content:space-between;align-items:center;gap:10px;font-size:14px;display:flex}.search-result small{color:var(--muted);flex-shrink:0;font-size:10px}.search-result p{color:var(--muted);margin:5px 0 0;font-size:11px;line-height:1.6}.search-hint{border-top:1px solid var(--line);color:var(--muted);background:var(--tab);gap:18px;padding:11px 22px;font-size:10px;display:flex}.search-page .search-panel{border:1px solid var(--line);border-radius:8px;margin-top:28px;overflow:hidden}.search-page .search-results{max-height:none}.sidebar-backdrop,.mobile-menu,.mobile-search{display:none}.sidebar-hidden .workspace{grid-template-columns:48px minmax(0,1fr)}.sidebar-hidden .sidebar{display:none}.workspace{grid-template-rows:minmax(0,1fr)}.editor,.sidebar,.reading-pane{min-height:0}@media (width>=1600px){.home-content{padding-top:75px}.document-body.has-outline{grid-template-columns:minmax(0,1fr) 220px}}@media (width<=1200px){.workspace{grid-template-columns:44px 225px minmax(0,1fr)}.document-body.has-outline{grid-template-columns:minmax(0,1fr)}.outline{display:none}.home-content{padding:40px 35px 28px}.article-content{padding:32px 38px}}@media (width<=760px){.workspace,.sidebar-hidden .workspace{grid-template-columns:minmax(0,1fr)}.ribbon{display:none}.sidebar,.sidebar-hidden .sidebar{z-index:20;width:285px;height:100dvh;box-shadow:var(--shadow);transition:transform .15s;display:flex;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar-open .sidebar{transform:translate(0)}.sidebar-open .sidebar-backdrop{z-index:19;background:#0005;display:block;position:fixed;inset:0}.mobile-menu,.mobile-search{display:flex}.tab-bar{gap:8px;height:46px;padding:5px 9px 0}.document-tab{min-width:120px;max-width:190px;height:40px}.tab-select{padding-left:10px}.tab-bar>.icon-button{flex-shrink:0}.document-toolbar{height:40px;padding:0 20px}.reading-mode{display:none}.breadcrumbs{font-size:10px}.home-content{padding:34px 23px 28px}.home-content h1{font-size:26px}.home-description{max-width:280px;font-size:12px}.home-eyebrow{font-size:10px}.home-search{margin-bottom:29px;padding:14px}.home-search kbd{display:none}.home-note{font-size:10px}.article-content{padding:27px 22px}.article-header h1{font-size:26px}.prose{font-size:15px;line-height:1.95}.prose h2{font-size:19px}.prose ul,.prose ol{padding-left:21px}.search-field{gap:10px;padding:17px 15px}.search-field input{font-size:16px}.search-status{padding:13px 15px 5px}.search-hint{padding:11px 15px}dialog{margin-top:10dvh}.search-results{max-height:55dvh}.search-result-top{font-size:13px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}