:root{--bg:#f5f4ed;--surface:#faf9f5;--surface-warm:#e8e6dc;--fg:#141413;--fg-2:#3d3d3a;--muted:#5e5d59;--meta:#87867f;--border:#e6e3da;--border-soft:#eeece4;--accent:#c96442;--accent-on:#faf9f5;--focus-ring:#3898ec;--font-display:"Anthropic Serif", Georgia, "Noto Serif SC", "Songti SC", serif;--font-body:"Anthropic Sans", "Noto Sans SC", "PingFang SC", Arial, system-ui, sans-serif;--font-mono:"Anthropic Mono", ui-monospace, "JetBrains Mono", Menlo, monospace}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{min-width:320px;margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 var(--font-body);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:3px}button,input{font:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--focus-ring);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}.shell{width:min(1200px,calc(100% - 48px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--border);background:color-mix(in oklab,var(--bg) 92%,transparent);backdrop-filter:blur(12px)}.header-inner{display:flex;min-height:72px;align-items:center;gap:30px}.brand{display:inline-flex;align-items:baseline;color:var(--fg);font:800 20px/1 var(--font-body);text-decoration:none;white-space:nowrap}.brand small{margin-left:4px;color:var(--muted);font-size:11px;font-weight:500}.desktop-nav{display:flex;gap:25px}.mobile-nav{display:none}.nav-link{position:relative;padding:8px 0;color:var(--muted);font:14px/1 var(--font-body);text-decoration:none}.nav-link:hover,.nav-link.active{color:var(--fg)}.nav-link.active:after{position:absolute;right:0;bottom:-21px;left:0;height:2px;background:var(--accent);content:""}main{min-height:calc(100vh - 204px)}.site-footer{border-top:1px solid var(--border)}.footer-inner{display:flex;min-height:92px;align-items:center;justify-content:space-between;gap:24px;color:var(--meta);font:13px/1.5 var(--font-body)}.footer-inner p{margin:0}.footer-mark{color:var(--fg);font-weight:650}.footer-inner div{display:flex;flex-wrap:wrap;gap:18px}.footer-inner a{text-decoration:none}.footer-inner a:hover{color:var(--accent)}h1,h2,h3{margin-top:0;font-family:var(--font-display);font-weight:500;letter-spacing:0;text-wrap:balance}h1{font-size:clamp(46px,7vw,76px);line-height:1.1}h2{font-size:clamp(31px,4.5vw,52px);line-height:1.18}h3{line-height:1.3}p{text-wrap:pretty}.eyebrow,.meta{font-family:var(--font-mono);font-size:12px}.eyebrow{margin:0 0 18px;color:var(--accent);font-weight:500;letter-spacing:.08em;text-transform:uppercase}.meta{color:var(--meta)}.page-intro{max-width:760px;padding:82px 0 44px}.page-intro h1{margin-bottom:16px}.page-intro p{max-width:640px;margin:0;color:var(--muted);font-size:19px}.page-intro+.search{margin-top:0}.hero{padding:clamp(82px,12vw,150px) 0 clamp(64px,9vw,112px)}.hero>div{max-width:760px}.hero h1{max-width:12ch;margin:0 0 20px}.hero-copy{max-width:54ch;margin:0;color:var(--muted);font-size:20px;line-height:1.58}.hero-note{display:none}.section-heading{margin-bottom:32px}.section-heading h2{margin:0}.section-heading>p{max-width:620px;margin:9px 0 0;color:var(--muted)}.section-heading a{color:var(--accent);font:500 14px var(--font-body);text-decoration:none}.section-heading a:hover{text-decoration:underline}.home-latest,.home-directory{padding:clamp(64px,8vw,96px) 0;border-top:1px solid var(--border)}.home-entry-list{border-top:1px solid var(--border)}.home-entry{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:32px;align-items:center;padding:23px 0;border-bottom:1px solid var(--border)}.home-entry h3{margin:0 0 4px;font-size:22px}.home-entry h3 a{text-decoration:none}.home-entry h3 a:hover,.home-entry-link:hover{color:var(--accent)}.home-entry p{margin:0;color:var(--muted);font-size:14px}.home-entry-link{color:var(--fg);font:650 14px var(--font-body);text-decoration:none;white-space:nowrap}.home-entry-link:after{margin-left:5px;content:"→"}.home-entry-note{margin:18px 0 0;color:var(--meta);font:12px var(--font-mono)}.home-feature{position:relative;display:block;margin-bottom:8px;padding:clamp(30px,5vw,56px);overflow:hidden;border-radius:16px;background:var(--fg);color:var(--surface);text-decoration:none;transition:background .18s ease}.home-feature:hover{background:color-mix(in oklab,var(--fg) 93%,var(--accent))}.home-feature .card-index{margin:0 0 32px;color:color-mix(in oklab,var(--surface) 78%,var(--accent));font:11px var(--font-mono);letter-spacing:.06em}.home-feature h3{max-width:16ch;margin:0 0 12px;font-size:clamp(30px,4vw,44px);line-height:1.12}.home-feature p:not(.card-index){max-width:44ch;margin:0;color:#d2d0c9;font-size:15px}.home-feature .card-arrow{position:absolute;top:24px;right:28px;font:24px/1 var(--font-body);transition:transform .18s ease}.home-feature:hover .card-arrow{transform:translate(3px,-3px)}.home-directory-list{border-top:1px solid var(--border)}.home-directory-item{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:32px;align-items:center;padding:23px 0;border-bottom:1px solid var(--border);text-decoration:none}.home-directory-item:hover{background:color-mix(in oklab,var(--surface) 72%,transparent)}.home-directory-item h3{margin:0 0 4px;font-size:22px}.home-directory-item p{margin:0;color:var(--muted);font-size:14px}.home-directory-item .card-arrow{color:var(--accent);font-size:19px}.list{border-top:1px solid var(--border)}.entry{display:grid;grid-template-columns:145px minmax(0,1fr);gap:32px;padding:26px 0;border-bottom:1px solid var(--border)}.entry-meta{padding-top:5px;color:var(--meta);font:12px/1.6 var(--font-mono)}.entry-meta a{color:inherit}.entry-meta a:hover{color:var(--accent)}.entry-meta time{display:block;margin-top:5px}.entry h2{margin:0 0 7px;font-size:29px}.entry h2 a{text-decoration:none}.entry h2 a:hover{color:var(--accent)}.entry p{margin:0 0 14px;color:var(--muted)}.tag{display:inline-block;margin:3px 5px 0 0;padding:2px 8px;border:1px solid color-mix(in oklab,var(--accent) 30%,var(--border));border-radius:999px;color:var(--accent);font:12px/1.5 var(--font-body);text-decoration:none}.tag:hover{border-color:var(--accent);background:color-mix(in oklab,var(--accent) 6%,var(--surface))}.prose{width:min(760px,100%);padding:50px 0 96px}.article-header{margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid var(--border)}.article-header h1{margin:12px 0;font-size:clamp(34px,4.4vw,56px)}.article-summary{max-width:680px;margin:0;color:var(--muted);font-size:18px;line-height:1.58}.article-actions{display:flex;flex-wrap:wrap;gap:10px}.action-link{display:inline-flex;min-height:42px;align-items:center;padding:9px 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--fg);font:500 13px var(--font-body);text-decoration:none}.action-link:hover{border-color:var(--accent);color:var(--accent)}.blog-article-body>h1:first-child,.blog-article-body>h1:first-child+hr{display:none}.blog-article-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:52px;padding-top:24px;border-top:1px solid var(--border)}.blog-article-footer .article-updated{margin:0}.prose :where(h2){margin:48px 0 14px;font-size:31px}.prose :where(h3){margin:34px 0 9px;font-size:23px}.prose :where(p,ul,ol){margin:0 0 21px}.prose :where(ul,ol){padding-left:1.35em}.prose :where(blockquote){margin:30px 0;padding:4px 0 4px 21px;border-left:2px solid var(--accent);color:var(--muted)}.prose :where(code){padding:2px 5px;border-radius:3px;background:var(--surface-warm);font:13px var(--font-mono)}.prose :where(pre){overflow:auto;padding:20px;border-radius:8px;background:#242321;color:#f4f2eb}.prose :where(img){max-width:100%;height:auto;border-radius:8px}.prose :where(a){color:var(--accent)}.project-en{color:var(--muted);font:400 .62em var(--font-body)}.project-body{margin-top:18px;color:var(--muted)}.project-body :where(p,ol,ul){margin:0 0 14px}.project-body :where(ol,ul){padding-left:1.25em}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:52px 0 0}.tool-card{min-height:185px;padding:25px;border:1px solid var(--border);border-radius:8px;background:var(--surface);text-decoration:none;transition:border-color .18s ease,transform .18s ease}.tool-card:hover{border-color:var(--accent);transform:translateY(-2px)}.tool-card h2{margin:24px 0 8px;font-size:27px}.tool-card p{margin:0;color:var(--muted);font-size:15px}.tool-card .tool-index{color:var(--accent);font:12px var(--font-mono)}.empty-state{max-width:570px;margin:70px auto;padding:36px;border:1px dashed #c9c5ba;border-radius:8px;background:var(--surface);text-align:center}.empty-state h2{margin:0 0 9px;font-size:27px}.empty-state p{margin:0;color:var(--muted);font-size:15px}.notice{padding:22px;border-left:2px solid var(--accent);background:var(--surface-warm)}.notice p{margin:6px 0 0}.search{position:relative;margin:0 0 38px}.search-input{width:100%;min-height:52px;padding:12px 46px 12px 15px;border:1px solid var(--border);border-radius:8px;outline:none;background:var(--surface);color:var(--fg);font:15px var(--font-body)}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #c9644226}.search-icon{position:absolute;top:16px;right:16px;color:var(--meta)}.search-results{margin-top:10px;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.search-result{display:block;padding:13px 15px;border-bottom:1px solid var(--border-soft);color:var(--fg);font:14px var(--font-body);text-decoration:none}.search-result:last-child{border:0}.search-result:hover{background:var(--surface-warm)}.search-result small{display:block;margin-top:2px;color:var(--meta)}.search-empty{margin:0;padding:15px;color:var(--muted);font:14px var(--font-body)}.taxonomy{display:grid;gap:12px;margin:-5px 0 38px}.taxonomy>div{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.taxonomy .eyebrow{min-width:62px;margin:0 5px 0 0}.taxonomy a{padding:3px 8px;border:1px solid var(--border);border-radius:999px;color:var(--muted);background:var(--surface);font:12px var(--font-body);text-decoration:none}.taxonomy a:hover{border-color:var(--accent);color:var(--accent)}.text-link{display:inline-flex;gap:7px;color:var(--accent);font:650 14px var(--font-body);text-decoration:none}.text-link:hover{text-decoration:underline}.project-detail{max-width:800px}.project-summary-en{font-family:var(--font-body);font-size:16px}.record-links{margin:48px 0 0;padding:27px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.record-links h2{margin:12px 0 20px;font-size:28px}.record-links h3{margin:22px 0 7px;color:var(--meta);font:11px var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.record-links a{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--border-soft);color:var(--fg);font:600 14px var(--font-body);text-decoration:none}.record-links a:hover{color:var(--accent)}.record-links a span{margin-left:auto;color:var(--meta);font-weight:400}.record-links a b{color:var(--accent)}.resume-stack{display:grid;gap:16px;padding:82px 0 96px}.resume-record{padding:0 0 38px}.resume-record .article-header{margin-bottom:28px}.resume-record .article-header h2{margin:10px 0 0;font-size:36px}.map-loading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:340px;color:var(--muted);font:14px var(--font-body)}.spin{animation:spin .85s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.empty-state svg{color:var(--accent)}.knowledge-map{display:grid;grid-template-columns:minmax(0,1fr) 300px;min-height:530px;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.map-canvas{position:relative;min-height:530px;overflow:hidden;background:linear-gradient(135deg,#f0ede5,#faf9f5 56%,#efe2da)}.map-canvas:before{position:absolute;inset:0;background-image:radial-gradient(#c5a999 1px,transparent 1px);background-size:24px 24px;opacity:.28;content:""}.map-canvas svg{position:absolute;inset:0;width:100%;height:100%}.map-canvas line{stroke:#bd8d78;stroke-width:.28}.map-node{position:absolute;z-index:1;width:12px;height:12px;padding:0;border:2px solid var(--surface);border-radius:50%;outline:0;background:var(--node-color);box-shadow:0 1px 5px #34221d4d;cursor:pointer;transform:translate(-50%,-50%);transition:transform .16s ease,width .16s ease,height .16s ease}.map-node span{position:absolute;bottom:16px;left:50%;width:max-content;max-width:140px;color:var(--fg);font:600 11px/1.25 var(--font-body);opacity:0;pointer-events:none;transform:translate(-50%);transition:opacity .16s}.map-node:hover,.map-node:focus-visible,.map-node.selected,.map-node.linked{width:17px;height:17px}.map-node:hover span,.map-node:focus-visible span,.map-node.selected span{opacity:1}.map-node:focus-visible{outline:3px solid var(--fg);outline-offset:2px}.map-node.selected{z-index:3;border-color:var(--fg)}.map-caption{position:absolute;right:16px;bottom:12px;z-index:2;max-width:260px;margin:0;color:var(--muted);font:11px/1.45 var(--font-body);text-align:right}.map-inspector{display:flex;flex-direction:column;padding:30px 25px;border-left:1px solid var(--border)}.map-inspector h2{margin:14px 0 9px;font-size:29px}.map-inspector p{margin:0 0 17px;color:var(--muted);font-size:14px;line-height:1.65}.map-date{margin-top:auto!important;font:12px var(--font-mono)}.map-read,.walk-current>a{display:inline-flex;align-items:center;gap:6px;margin-top:22px;color:var(--accent);font:650 14px var(--font-body);text-decoration:none}.map-reset,.walk-restart{display:flex;align-items:center;gap:6px;width:max-content;margin-top:15px;padding:0;border:0;background:none;color:var(--muted);font:12px var(--font-body);cursor:pointer}.walk-tool{display:grid;grid-template-columns:.78fr 1.22fr;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.walk-path{grid-column:1 / -1;display:flex;align-items:center;gap:8px;min-height:50px;padding:11px 25px;border-bottom:1px solid var(--border);color:var(--meta);font:12px var(--font-mono)}.walk-dot{display:inline-grid;width:22px;height:22px;place-items:center;border-radius:50%;background:var(--surface-warm);color:var(--accent);font-weight:700}.walk-current{padding:35px 30px;border-right:1px solid var(--border)}.walk-current h2{margin:14px 0 8px;font-size:33px;line-height:1.25}.walk-current p{color:var(--muted);font-size:15px}.walk-next{padding:35px 30px}.walk-next h3{margin:12px 0 21px;font-size:27px}.walk-options{display:grid;gap:8px}.walk-options button{display:grid;grid-template-columns:1fr auto;gap:3px 12px;padding:13px 0;border:0;border-bottom:1px solid var(--border);background:none;color:var(--fg);text-align:left;font:600 15px var(--font-body);cursor:pointer}.walk-options button:hover span{color:var(--accent)}.walk-options small{color:var(--meta);font:11px var(--font-mono)}.walk-options svg{grid-column:2;grid-row:1 / 3;align-self:center;color:var(--accent)}.walk-end{color:var(--muted);font-size:14px}@media(max-width:720px){.shell{width:min(100% - 32px,1200px)}.header-inner{min-height:64px;gap:15px}.desktop-nav{display:none}.mobile-nav{display:block;margin-left:auto}.mobile-nav summary{display:grid;gap:4px;width:38px;padding:9px;cursor:pointer;list-style:none}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary span{display:block;height:1px;background:var(--fg)}.mobile-nav nav{position:absolute;top:64px;right:16px;display:grid;min-width:185px;padding:10px 18px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 12px 22px #1414131a}.mobile-nav .nav-link{padding:12px 0;border-bottom:1px solid var(--border-soft)}.mobile-nav .nav-link:last-child{border:0}.nav-link.active:after{right:auto;bottom:9px;left:-10px;width:3px;height:18px}.hero{padding:74px 0 64px}.hero h1{max-width:100%}.page-intro,.prose{padding-top:60px}.article-header h1{font-size:clamp(34px,10vw,46px);white-space:normal}.blog-article-footer{align-items:flex-start;flex-direction:column;margin-top:40px}.home-entry,.home-directory-item,.entry{grid-template-columns:1fr;gap:7px}.home-entry-link{padding-top:5px}.home-feature{padding:28px 22px}.home-feature .card-arrow{top:22px;right:22px}.tool-grid,.knowledge-map,.walk-tool{grid-template-columns:1fr}.map-canvas{min-height:410px}.map-inspector,.walk-current{border:0;border-top:1px solid var(--border)}.walk-current,.walk-next{padding:27px 22px}.footer-inner{align-items:flex-start;flex-direction:column;justify-content:center;padding:22px 0}.footer-inner div{gap:11px 17px}.resume-stack{padding:60px 0}.record-links{padding:21px}}.blog-page-intro{padding-bottom:24px}.blog-page-intro h1,.blog-tools{margin:0}.blog-browser{margin:34px 0 96px}.blog-browser-controls{display:grid;gap:17px;padding:24px 0 25px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.browser-mode{display:inline-flex;width:max-content;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.browser-mode button{min-width:66px;min-height:36px;padding:7px 13px;border:0;border-right:1px solid var(--border);background:transparent;color:var(--muted);font:13px var(--font-body);cursor:pointer}.browser-mode button:last-child{border-right:0}.browser-mode button.active{background:var(--fg);color:var(--surface)}.browser-search{position:relative;display:block}.browser-search input{width:100%;min-height:48px;padding:10px 44px 10px 14px;border:1px solid var(--border);border-radius:8px;outline:0;background:var(--surface);color:var(--fg);font:15px var(--font-body)}.browser-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #c9644226}.browser-search svg{position:absolute;top:15px;right:15px;color:var(--meta);pointer-events:none}.tag-filter{display:flex;flex-wrap:wrap;gap:7px}.tag-filter button{min-height:29px;padding:4px 9px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font:12px var(--font-body);cursor:pointer}.tag-filter button:hover,.tag-filter button.active{border-color:var(--accent);background:color-mix(in oklab,var(--accent) 8%,var(--surface));color:var(--accent)}.blog-browser-card,.blog-article-card{padding:23px;border:1px solid var(--border);border-top:3px solid var(--category-border);border-radius:8px;background:var(--surface)}.blog-browser-card h2,.blog-article-card h2{margin:13px 0 9px;font-size:29px}.blog-browser-card h2 a,.blog-article-card h2 a{color:var(--category-fg);text-decoration:none}.blog-browser-card h2 a:hover,.blog-article-card h2 a:hover{text-decoration:underline}.blog-browser-card p,.blog-article-card p{margin:14px 0 0;color:var(--muted);font-size:15px;line-height:1.65}.category-chip{display:inline-flex;min-height:25px;align-items:center;padding:2px 8px;border:1px solid var(--category-border);border-radius:999px;background:var(--category-bg);color:var(--category-fg);font:12px/1.3 var(--font-body);text-decoration:none}.category-chip:hover{filter:brightness(.97)}.article-tags{display:flex;flex-wrap:wrap;gap:5px}.article-tags .tag{margin:0}.blog-article-list{display:grid;gap:14px;padding:0 0 96px}.article-header h1{color:var(--category-fg,var(--fg))}.blog-browser-empty{margin:34px auto 0}@media(max-width:720px){.blog-tools{gap:12px}.blog-browser{margin-top:27px}.blog-browser-card,.blog-article-card{padding:20px}.blog-browser-card h2,.blog-article-card h2{font-size:26px}}.blog-page-intro{padding:52px 0 16px}.blog-tools{gap:12px}.blog-tools .tool-card{min-height:132px;padding:19px 21px}.blog-tools .tool-card h2{margin:14px 0 5px;font-size:24px}.blog-tools .tool-card p{font-size:14px;line-height:1.55}.blog-browser{margin-top:20px}.blog-browser-controls{gap:11px;padding:15px 0 16px}.browser-primary{display:flex;align-items:center;gap:8px;min-width:0}.browser-mode button{min-width:62px;min-height:34px;padding:6px 11px}.search-trigger{display:inline-grid;width:34px;height:34px;flex:0 0 34px;place-items:center;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--muted)}.search-trigger:hover{border-color:var(--accent);color:var(--accent)}.browser-search{flex:1 1 210px;max-width:360px}.browser-search input{min-height:34px;padding:6px 34px 6px 11px;font-size:14px}.browser-search svg{top:9px;right:10px}.tag-filter{gap:6px}.tag-filter button{min-height:28px;padding:3px 8px}.blog-browser-empty{margin-top:26px}@media(max-width:720px){.blog-page-intro{padding-top:44px}.blog-tools{gap:10px}.blog-tools .tool-card{min-height:0;padding:18px}.blog-browser{margin-top:16px}.browser-search{flex-basis:0;max-width:none}}.blog-browser-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding-top:23px}.article-labels{display:flex;flex-wrap:wrap;align-items:center;gap:5px;margin-bottom:13px}.article-labels .article-tags{margin:0}.article-updated{display:block;margin-top:15px;color:var(--meta);font:12px/1.5 var(--font-mono)}.article-header .article-updated{margin-top:0}.prose table{display:block;width:100%;max-width:100%;margin:0 0 24px;overflow-x:auto;border:1px solid var(--border);border-collapse:collapse;background:var(--surface);font-size:14px;line-height:1.55}.prose :where(th,td){min-width:120px;padding:10px 12px;border:1px solid var(--border);text-align:left;vertical-align:top}.prose th{background:var(--surface-warm);color:var(--fg);font-weight:650}.prose td{color:var(--fg-2)}@media(max-width:720px){.blog-browser-grid{grid-template-columns:1fr;gap:14px}.article-labels{margin-bottom:11px}.prose table{font-size:13px}.prose :where(th,td){min-width:150px;padding:9px 10px}}@media(min-width:721px){.article-header h1{max-width:100%;font-size:clamp(34px,4vw,50px);white-space:nowrap}}