@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@500;700;900&display=swap";*{box-sizing:border-box}:root{color-scheme:light;--bg:#f8f3ea;--panel:#fffdfa;--panel-2:#fbf7ef;--ink:#26221d;--muted:#766d61;--faint:#a69a89;--line:#ebe1d3;--line-2:#dfd2bf;--blue:#4f83a8;--blue-bg:#e8f1f6;--sand:#f2eadf;--quote:#f6eee2;--green:#6f9277;--amber:#b5884d;--red:#be7768;--radius:14px;--serif:"Noto Serif SC",ui-serif,Georgia,"Songti SC",serif;--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace}body{margin:0;min-height:100vh;color:var(--ink);font-family:var(--sans);background:radial-gradient(circle at 8% 10%,rgba(226,211,188,.55),transparent 28%),radial-gradient(circle at 90% 0%,rgba(216,232,236,.46),transparent 30%),var(--bg)}a{color:inherit}.app-shell{width:min(1510px,calc(100vw - 36px));margin:18px auto;display:grid;grid-template-columns:270px minmax(680px,1fr) 276px;gap:18px}.card{background:#fffdfaeb;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 60px #56412a0f}.left{min-height:calc(100vh - 36px);padding:20px 18px;display:flex;flex-direction:column;gap:18px;position:sticky;top:18px;align-self:start}.logo{display:flex;align-items:center;gap:12px;text-decoration:none}.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#4f83a8,#83a06f);color:#fff;font-weight:800;box-shadow:inset 0 1px #ffffff59}.logo-title{font-weight:800;letter-spacing:.02em}.logo-sub{font-size:12px;color:var(--muted);margin-top:2px}.search{height:42px;border-radius:12px;border:1px solid var(--line);background:#fbf8f2;display:flex;align-items:center;gap:9px;padding:0 12px;color:var(--faint);font-size:13px;text-decoration:none}.search:hover{color:#456f8d;border-color:#d7e8f0;background:#fff}.nav-title{color:var(--faint);text-transform:uppercase;letter-spacing:.1em;font-size:11px;margin:2px 0 8px}.nav{display:grid;gap:5px}.nav-group{border-radius:12px;overflow:hidden}.nav-head{display:grid;grid-template-columns:24px 1fr auto;gap:8px;align-items:center;padding:9px 10px;border-radius:11px;color:#4e463c;font-size:14px;text-decoration:none}.nav-head.active,.nav-head:hover{background:var(--blue-bg);color:#2d5f80;font-weight:700}.badge{color:var(--faint);font-size:12px;padding:1px 7px;border:1px solid var(--line);border-radius:999px;background:#fff}.subnav{margin:2px 0 8px 34px;border-left:1px solid var(--line);padding-left:12px;display:grid;gap:4px}.subnav a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;color:var(--muted);font-size:13px;padding:6px 8px;border-radius:9px}.subnav a:hover{background:#f5eee3;color:var(--ink)}.recent-list{margin-left:0;border-left:0;padding-left:0}.profile{margin-top:auto;display:flex;align-items:center;gap:10px;padding:12px;border-radius:13px;background:#faf5ed;border:1px solid var(--line)}.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#c89b64,#4f83a8)}.profile strong{font-size:13px;display:block}.profile span{font-size:12px;color:var(--muted)}.pro{margin-left:auto;font-size:11px;background:#2d5f80;color:#fff;border-radius:999px;padding:3px 7px}.right{display:grid;gap:14px;align-self:start;position:sticky;top:18px}.article,.hero,.page-hero,.content-card{padding:28px 34px 34px}.hero,.page-hero,.content-card{background:#fffdfaeb;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 60px #56412a0f;margin-bottom:18px}.crumb{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;margin-bottom:24px;flex-wrap:wrap}.crumb b{color:#456f8d;font-weight:600}.title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:16px}.topic{display:flex;align-items:center;gap:16px}.topic-icon{width:54px;height:54px;border-radius:15px;background:var(--blue-bg);color:var(--blue);display:grid;place-items:center;font-size:25px;flex:0 0 auto}h1{font-family:var(--serif);font-size:clamp(2.2rem,4vw,3.7rem);line-height:1.13;letter-spacing:-.045em;margin:0;word-break:keep-all}h2{font-family:var(--serif);font-size:26px;letter-spacing:-.025em;margin:32px 0 14px}.actions{display:flex;gap:8px;flex-shrink:0}.btn{border:1px solid var(--line-2);background:#fff;color:#62594f;border-radius:10px;padding:8px 11px;font-size:13px;text-decoration:none}.btn.primary{background:#ecf4f8;border-color:#d2e4ed;color:#356886}.tags,.meta-row{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0 25px 70px}.tag,.meta-row span{font-size:12px;color:#496c82;background:var(--blue-bg);border:1px solid #d7e8f0;border-radius:999px;padding:5px 9px}.tag.sand{color:#81623d;background:#f7eddf;border-color:#ead9bd}.lead,.page-hero p,.hero p{font-size:17px;line-height:1.86;color:#4b4238;margin:0 0 22px}.eyebrow{color:#456f8d;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;margin:0 0 10px}.hero{display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:end}.stats,.metric-list{display:grid;gap:8px}.stats{grid-template-columns:auto auto;align-items:baseline}.stats strong{font-size:2.4rem}.stats span,.muted{color:var(--muted)}.section-grid,.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.section-card,.page-card,.source,.panel-card{display:block;padding:14px;border:1px solid var(--line);background:#fffaf2;border-radius:12px;text-decoration:none;color:var(--ink)}.section-card:hover,.page-card:hover{border-color:#d2e4ed;background:#fff}.section-card strong{font-size:2.1rem;color:#456f8d}.page-card h3,.section-card h3{margin:.2rem 0 .45rem;font-family:var(--serif)}.page-card p,.section-card p,.source span{color:var(--muted);font-size:13px;line-height:1.55}.side-card{padding:16px}.side-title{display:flex;justify-content:space-between;align-items:center;color:#3e362d;font-weight:750;font-size:14px;margin-bottom:12px}.side-title span{color:var(--faint);font-weight:500;font-size:12px}.toc a{display:block;text-decoration:none;color:var(--muted);font-size:13px;padding:8px 10px;border-radius:9px;border-left:2px solid transparent}.toc a:hover,.toc a.active{background:#edf5f8;color:#2d5f80;border-left-color:var(--blue);font-weight:650}.toc ol{list-style:none;margin:0;padding:0}.toc-depth-3{padding-left:12px}.toc-depth-4,.toc-depth-5,.toc-depth-6{padding-left:24px}.link-item{display:flex;gap:9px;align-items:flex-start;padding:10px;border-radius:11px;background:#fbf7ef;border:1px solid var(--line);margin-top:8px;text-decoration:none;color:inherit}.dot{width:20px;height:20px;border-radius:7px;display:grid;place-items:center;background:var(--blue-bg);color:var(--blue);font-size:12px;flex-shrink:0}.link-item strong{display:block;font-size:13px;margin-bottom:3px}.link-item span{color:var(--muted);font-size:12px;line-height:1.38}.quick-links{display:grid;gap:8px}.quick-links a{padding:9px 10px;border-radius:10px;background:#fbf7ef;border:1px solid var(--line);text-decoration:none;color:#62594f;font-size:13px}.metric-list{grid-template-columns:1fr}.metric-list div{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--line)}.metric-list strong{font-size:24px;color:#456f8d}.markdown{font-size:16px;line-height:1.84;color:#463d34}.markdown p{line-height:1.84}.markdown h1,.markdown h2,.markdown h3{font-family:var(--serif);letter-spacing:-.025em}.markdown h2{border-top:1px solid var(--line);padding-top:24px}.markdown blockquote{background:var(--quote);border:1px solid var(--line);border-left:4px solid #c99a62;border-radius:12px;padding:16px 18px;margin:18px 0;color:#6b5740;font-family:var(--serif);font-size:17px}.markdown pre{margin:20px 0;background:#29251f;color:#f5ead9;border-radius:13px;overflow:auto;border:1px solid #1c1813;padding:16px 18px;font-family:var(--mono);font-size:13px;line-height:1.65}.markdown code{font-family:var(--mono);background:#f3eadc;border:1px solid var(--line);padding:.12em .35em;border-radius:6px}.markdown pre code{background:transparent;border:0;padding:0;color:inherit}.markdown a{color:#356886;text-decoration-thickness:1px;text-underline-offset:3px}.markdown img{max-width:100%;border-radius:12px;border:1px solid var(--line)}.sources{margin-top:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.graph-wrap svg{width:100%;height:auto}.graph-wrap line,.mini-line{stroke:#cfdedc;stroke-width:1.5}.graph-wrap circle{stroke:#fff;stroke-width:1.5}.mini-node{fill:#fff;stroke:#9fc0d2;stroke-width:2}.mini-node.center{fill:#4f83a8;stroke:#356886}.node-label{font-size:10px;fill:#73685b;font-family:var(--sans)}.search-panel input{width:100%;height:46px;border:1px solid var(--line);border-radius:12px;padding:0 14px;background:#fffaf4;color:var(--ink);font:inherit}.search-results{display:grid;gap:10px;margin-top:16px}@media(max-width:1180px){.app-shell{grid-template-columns:260px minmax(0,1fr)}.right{grid-column:1/-1;position:static;grid-template-columns:repeat(3,1fr)}}@media(max-width:760px){.app-shell{width:min(100vw - 20px,720px);grid-template-columns:1fr}.left,.right{position:static}.article,.hero,.page-hero,.content-card{padding:22px}.title-row,.topic{display:block}.topic-icon{margin-bottom:14px}.tags,.meta-row{margin-left:0}.hero,.right{grid-template-columns:1fr}}.app-shell{width:min(1480px,calc(100vw - 40px));grid-template-columns:248px minmax(0,1fr) 286px;gap:16px;align-items:start}.left{padding:18px 16px;gap:16px}.right{margin-left:0;display:flex;flex-direction:column;gap:12px;max-height:calc(100vh - 36px);overflow:auto;padding-right:2px}.main{min-width:0}.card{box-shadow:0 14px 42px #56412a0b}.hero{display:block;background:linear-gradient(135deg,#fffdfaf5,#f8f1e6e6);border-color:#e6d8c6}.article{padding:26px 30px 34px}.crumb{margin-bottom:18px}.title-row{gap:18px;margin-bottom:12px}.topic{align-items:flex-start;gap:14px;min-width:0}.topic-icon{width:48px;height:48px;border-radius:14px;font-size:22px;margin-top:4px}.topic h1,.article>.title-row h1{font-size:clamp(2.15rem,3.2vw,3.05rem);line-height:1.12;letter-spacing:-.035em;overflow-wrap:anywhere;word-break:normal;text-wrap:balance}.actions{padding-top:6px}.btn{padding:7px 10px}.tags,.meta-row{margin:12px 0 20px 62px;gap:7px}.lead{font-size:16px;line-height:1.78;margin-bottom:18px;color:#554b41}.markdown{font-size:16px;line-height:1.82;max-width:76ch}.markdown p{line-height:1.82}.markdown h1{font-size:clamp(1.9rem,2.4vw,2.45rem);line-height:1.22;margin:34px 0 14px;color:#356886;border-top:1px solid var(--line);padding-top:22px}.markdown h2{font-size:clamp(1.55rem,1.7vw,2rem);line-height:1.28;margin:34px 0 14px;color:#356886}.markdown h3{font-size:1.28rem;line-height:1.35;margin:26px 0 10px;color:#3f5f73}.markdown h1 a,.markdown h2 a,.markdown h3 a{text-decoration:none;border-bottom:0}.markdown h1 a:hover,.markdown h2 a:hover,.markdown h3 a:hover{border-bottom:1px solid rgba(53,104,134,.35)}.markdown table{display:block;max-width:100%;overflow:auto;border-collapse:collapse}.markdown th,.markdown td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}.markdown ul,.markdown ol{padding-left:1.45em}.markdown li{margin:.25em 0}.stats{grid-template-columns:repeat(3,minmax(70px,1fr));gap:10px;background:#fbf7ef;border:1px solid var(--line);border-radius:13px;padding:12px}.stats strong{display:block;font-size:2rem;line-height:1;color:#356886}.stats span{display:block;font-size:12px;margin-top:5px}.section-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-grid .section-card:last-child:nth-child(odd){grid-column:1/-1}.section-card{position:relative;overflow:hidden}.section-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:#d2e4ed}.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.tag{white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.page-card p{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.quick-links a{display:flex;align-items:center;justify-content:space-between}.quick-links a:after{content:"→";color:#9b8d7b}.quick-links a:hover{background:#edf5f8;color:#2d5f80;border-color:#d2e4ed}.nav-head span:first-child{font-family:var(--mono);text-align:center;color:#4f83a8}.nav-head{padding:9px 11px}.nav-head span:nth-child(2),.recent-list a span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.right .side-card{background:#fffdfaf5;padding:14px}.side-title{font-size:13px;margin-bottom:10px}.toc ol{max-height:220px;overflow:auto;padding-right:2px}.toc a{font-size:12.5px;padding:7px 9px}.side-list{display:grid;gap:8px;max-height:320px;overflow:auto;padding-right:2px}.link-item{padding:9px;gap:8px;margin-top:0}.link-item strong{font-size:12.5px;line-height:1.3}.link-item span{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:11.5px}.dot{width:18px;height:18px;border-radius:6px}.source-panel{margin-top:34px;background:#fbf7efb3}.sources{grid-template-columns:1fr;gap:10px;margin-top:14px}.source{background:#fffdfad1;padding:13px 14px}.source-title{display:block;line-height:1.36}.source-title a{text-decoration:none;color:#2f6486}.source-title a:hover{text-decoration:underline;text-underline-offset:3px}.source-path{display:block;margin-top:5px;color:#8a7f72;font-size:12px;line-height:1.45;word-break:break-all}.graph svg{width:100%;height:140px;display:block}.graph-tools{display:flex;gap:7px;justify-content:center;margin-top:8px}.broken-text{color:var(--red)}.ambiguous-text{color:var(--amber)}@media(max-width:1180px){.app-shell{grid-template-columns:240px minmax(0,1fr);width:min(1000px,calc(100vw - 28px))}.right{display:none}.section-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}}@media(max-width:760px){body{background:linear-gradient(180deg,#f7f1e7,#f2ede3);overflow-x:hidden}.app-shell{display:block;width:calc(100vw - 16px);margin:8px auto 24px}.left{position:relative;min-height:0;margin-bottom:10px;padding:14px;gap:12px;border-radius:18px}.logo{gap:10px}.logo-mark{width:42px;height:42px;border-radius:14px}.logo-title{font-size:20px}.logo-sub{font-size:12px}.search{height:42px;border-radius:13px;font-size:14px;padding:0 13px}.nav-title{margin:0 0 8px;font-size:10px;letter-spacing:.08em}.nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.nav-group{min-width:0}.nav-group-raw{grid-column:1/-1}.nav-head{display:flex;align-items:center;gap:7px;padding:8px 9px;border:1px solid var(--line);background:#fbf7efb8;font-size:13px}.nav-head span:nth-child(2){min-width:0;overflow:visible;text-overflow:clip;white-space:normal}.nav-head.active{background:var(--blue-bg);border-color:#d7e8f0}.nav-head .badge{margin-left:auto;border:0;background:#fffdfab8;font-size:12px;padding:2px 7px;min-width:auto}.subnav{margin:6px 0 0;padding-left:0;border-left:0;grid-template-columns:1fr;gap:5px}.subnav a{padding:6px 8px;background:#fffdfaa8;border-radius:10px;font-size:12px}.recent-section{display:none}.article,.hero,.page-hero,.content-card{padding:18px 16px 22px;border-radius:18px;margin-bottom:10px}.crumb{margin-bottom:12px;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.crumb b,.crumb span:last-of-type{display:none}.title-row{display:block;margin-bottom:8px}.topic-icon,.actions{display:none}.tags,.meta-row{margin:8px 0 14px;gap:6px}.topic h1,.article>.title-row h1{font-size:clamp(1.35rem,6.4vw,1.7rem);line-height:1.18;letter-spacing:-.035em;color:#2f6486;text-wrap:auto;word-break:break-word}.lead{font-size:14.5px;line-height:1.72;margin-bottom:14px}.markdown{max-width:none;font-size:15.5px;line-height:1.78;overflow-wrap:anywhere}.markdown p{line-height:1.78}.markdown h1{font-size:1.55rem;margin:24px 0 12px;padding-top:16px}.markdown h2{font-size:1.35rem;margin:24px 0 12px}.markdown h3{font-size:1.12rem;margin:20px 0 8px}.markdown pre{margin-left:-4px;margin-right:-4px;border-radius:12px;font-size:12px;padding:12px 14px}.source-panel{margin-top:24px}.stats{grid-template-columns:repeat(3,minmax(0,1fr));padding:10px}.stats strong{font-size:1.45rem}.section-grid,.card-grid{grid-template-columns:1fr;gap:10px}}@media(max-width:430px){.app-shell{width:calc(100vw - 12px);margin-top:6px}.left{padding:12px}.nav-head{font-size:12.5px;padding:7px 8px}.nav-head span:first-child{display:none}.nav-head .badge{font-size:11.5px;padding:2px 7px}.topic h1,.article>.title-row h1{font-size:clamp(1.3rem,6.6vw,1.58rem)}.article,.hero,.page-hero,.content-card{padding:16px 14px 20px}}