:root,html[data-scheme=light]{--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;--font-mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--bg-page: #f7f8fa;--bg-card: #ffffff;--bg-subtle: #f1f4f8;--bg-hover: #eaeff5;--bg-nav: rgba(255, 255, 255, .84);--bg-code: #0d131f;--text-main: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--border-color: rgba(15, 23, 42, .08);--border-strong: rgba(15, 23, 42, .15);--card-highlight: inset 0 1px 0 rgba(255, 255, 255, .8);--shadow-sm: 0 1px 2px rgba(15, 23, 42, .03), 0 2px 6px rgba(15, 23, 42, .02);--shadow-card: 0 1px 3px rgba(15, 23, 42, .04), 0 6px 20px -4px rgba(15, 23, 42, .05);--shadow-hover: 0 4px 12px rgba(15, 23, 42, .06), 0 12px 28px -6px rgba(13, 148, 136, .08);--shadow-pop: 0 20px 48px -8px rgba(15, 23, 42, .16), 0 4px 12px rgba(15, 23, 42, .06);--accent: #0d9488;--accent-hover: #0f766e;--accent-soft: rgba(13, 148, 136, .085);--accent-border: rgba(13, 148, 136, .28);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--container-width: 1140px;--header-height: 62px}html[data-scheme=dark]{--bg-page: #090d14;--bg-card: #101722;--bg-subtle: #162030;--bg-hover: #1e2b40;--bg-nav: rgba(16, 23, 34, .84);--bg-code: #070a10;--text-main: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--card-highlight: inset 0 1px 0 rgba(255, 255, 255, .04);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-card: 0 2px 8px rgba(0, 0, 0, .32), 0 8px 24px -4px rgba(0, 0, 0, .28);--shadow-hover: 0 8px 24px rgba(0, 0, 0, .42), 0 0 0 1px rgba(45, 212, 191, .25);--shadow-pop: 0 24px 56px rgba(0, 0, 0, .65);--accent: #2dd4bf;--accent-hover: #5eead4;--accent-soft: rgba(45, 212, 191, .11);--accent-border: rgba(45, 212, 191, .32)}*,*:before,*:after{box-sizing:border-box}html{font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--text-main);background-color:var(--bg-page);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-size-adjust:100%;font-feature-settings:"cv02","cv03","cv04","cv11"}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-page);color:var(--text-main);overflow-x:hidden}main{flex:1}a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease}img,svg,canvas{display:block;max-width:100%}img{height:auto}button,input,select{font:inherit;color:inherit}time,.home-intro-stats,.profile-stats strong,.sidebar-cat-count,.projects-stats dd,.learning-stats dd{font-variant-numeric:tabular-nums}.visually-hidden,.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{width:auto;height:auto;clip:auto;top:12px;left:12px;z-index:9999;padding:8px 14px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--accent)}.shell{width:min(var(--container-width),calc(100% - 32px));margin-inline:auto}.read-progress{position:fixed;top:0;left:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;z-index:120;pointer-events:none}.site-header{position:sticky;top:0;z-index:100;height:var(--header-height);background:var(--bg-nav);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--border-color)}.header-inner{width:min(var(--container-width),calc(100% - 32px));height:100%;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:1.02rem;font-weight:700;color:var(--text-main);letter-spacing:-.015em;flex-shrink:0}.brand-mark img{width:28px;height:28px;border-radius:7px;box-shadow:var(--shadow-sm)}.desktop-nav{display:flex;align-items:center;gap:4px}.desktop-nav a{padding:6px 12px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;color:var(--text-secondary)}.desktop-nav a:hover{color:var(--text-main);background:var(--bg-subtle)}.desktop-nav a.is-active{color:var(--accent);background:var(--accent-soft);font-weight:600}.header-actions{display:flex;align-items:center;gap:8px}.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:34px;padding:0 10px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .15s ease}.icon-button:hover{color:var(--text-main);border-color:var(--border-strong);background:var(--bg-subtle)}.search-kbd{font-family:var(--font-mono);font-size:.7rem;padding:1px 5px;border-radius:4px;background:var(--bg-subtle);color:var(--text-muted);border:1px solid var(--border-color)}.menu-button{display:none}.mobile-nav{display:none;border-bottom:1px solid var(--border-color);background:var(--bg-card);padding:12px 16px}.mobile-nav.is-open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mobile-nav a{padding:10px 12px;border-radius:var(--radius-sm);font-size:.92rem;font-weight:500;color:var(--text-secondary);background:var(--bg-subtle)}.mobile-nav a.is-active{color:var(--accent);background:var(--accent-soft);font-weight:600}.home-shell{padding-top:28px;padding-bottom:64px}.home-workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:28px;align-items:start}.home-main-stream{display:flex;flex-direction:column;gap:24px;min-width:0}.home-intro{position:relative;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:26px 28px;box-shadow:var(--shadow-card),var(--card-highlight)}.home-eyebrow{margin:0 0 6px;font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.home-intro-top{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}.home-intro h1{margin:0;font-family:var(--font-serif);font-size:1.55rem;font-weight:600;color:var(--text-main);letter-spacing:-.02em;line-height:1.25}.home-intro-stats,.home-intro-meta{font-size:.8rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.home-lede{margin:0 0 18px;font-size:.94rem;color:var(--text-secondary);line-height:1.7;max-width:64ch}.growth-timeline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.growth-stage-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-sm),var(--card-highlight);display:flex;flex-direction:column;gap:8px}.growth-stage-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:var(--font-mono);font-size:.75rem}.growth-stage-index{color:var(--accent);font-weight:700}.growth-stage-period{color:var(--text-muted)}.growth-stage-card h3{margin:0;font-size:.98rem;font-weight:650;color:var(--text-main);line-height:1.4}.growth-stage-summary{margin:0;font-size:.83rem;color:var(--text-secondary);line-height:1.58}.growth-stage-list{list-style:none;margin:6px 0 0;padding:10px 0 0;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:6px}.growth-stage-list li{display:flex;align-items:baseline;gap:8px;font-size:.82rem}.growth-stage-list a,.roadmap-post-link{display:flex;align-items:baseline;gap:8px;width:100%;min-width:0;color:var(--text-main)}.roadmap-post-date{font-family:var(--font-mono);font-size:.74rem;color:var(--text-muted);font-variant-numeric:tabular-nums;flex-shrink:0}.roadmap-post-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.growth-stage-list a:hover{color:var(--accent)}.growth-stage-list time{font-family:var(--font-mono);font-size:.74rem;color:var(--text-muted);flex-shrink:0}.pathway-bar{display:flex;flex-wrap:wrap;gap:8px;padding-top:14px;border-top:1px solid var(--border-color)}.pathway-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);font-size:.82rem;font-weight:500;background:var(--bg-subtle);color:var(--text-secondary);border:1px solid transparent}.pathway-pill:hover{color:var(--accent);border-color:var(--accent-border);background:var(--accent-soft)}.pathway-pill.is-primary{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-border);font-weight:600}.pathway-pill em{font-style:normal;font-family:var(--font-mono);font-size:.74rem;color:var(--text-muted)}.lead-story{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:24px;align-items:center;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px 28px;box-shadow:var(--shadow-card),var(--card-highlight);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.lead-story:hover{border-color:var(--accent-border);box-shadow:var(--shadow-hover);transform:translateY(-1.5px)}.lead-story.no-cover{grid-template-columns:1fr}.lead-copy{min-width:0}.lead-badge-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.8rem;color:var(--text-muted);margin-bottom:10px}.lead-badge-row a{color:var(--accent);font-weight:500}.pinned-tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:5px;font-size:.73rem;font-weight:600;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-border)}.lead-copy h2{margin:0 0 10px;font-family:var(--font-serif);font-size:1.32rem;font-weight:600;line-height:1.42;letter-spacing:-.01em}.lead-copy h2 a:hover{color:var(--accent)}.lead-excerpt{margin:0 0 14px;font-size:.91rem;color:var(--text-secondary);line-height:1.68;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lead-more{display:inline-flex;align-items:center;gap:4px;font-size:.84rem;font-weight:600;color:var(--accent)}.lead-visual{width:100%;height:146px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-subtle);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center}.lead-visual img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.lead-story:hover .lead-visual img{transform:scale(1.02)}.lead-visual.is-diagram img{object-fit:contain;padding:10px}.stream-section{display:flex;flex-direction:column;gap:12px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px}.section-head h2{margin:0;font-size:.98rem;font-weight:700;letter-spacing:.01em;color:var(--text-main);display:inline-flex;align-items:center;gap:8px}.section-head h2:before{content:"";width:3px;height:14px;border-radius:99px;background:var(--accent)}.section-head a{font-size:.82rem;color:var(--text-muted)}.section-head a:hover{color:var(--accent)}.post-feed-list{display:flex;flex-direction:column;gap:12px}.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.post-card{display:grid;grid-template-columns:minmax(0,1fr) 172px;gap:20px;align-items:center;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:18px 22px;box-shadow:var(--shadow-sm),var(--card-highlight);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.post-card.no-cover,.post-grid .post-card{grid-template-columns:1fr}.post-grid .post-card .post-cover{display:none}.post-card:hover{border-color:var(--accent-border);box-shadow:var(--shadow-hover);transform:translateY(-1px)}.post-summary{min-width:0;display:flex;flex-direction:column;gap:6px}.post-meta{margin:0;display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:.78rem;color:var(--text-muted)}.post-meta time{font-family:var(--font-mono);font-size:.76rem}.post-meta a{color:var(--accent);font-weight:500}.post-summary h2,.post-summary h3{margin:0;font-size:1.06rem;font-weight:650;line-height:1.45;letter-spacing:-.01em;color:var(--text-main)}.post-summary h2 a:hover,.post-summary h3 a:hover{color:var(--accent)}.post-excerpt{margin:0;font-size:.88rem;color:var(--text-secondary);line-height:1.62;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.post-card-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:2px}.post-card-tags{display:flex;flex-wrap:wrap;gap:10px}.post-card-tags a{font-size:.75rem;color:var(--text-muted);background:transparent;padding:0}.post-card-tags a:hover{color:var(--accent)}.post-reading{margin:0;font-size:.76rem;color:var(--text-muted)}.post-cover{width:100%;height:108px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-subtle);border:1px solid var(--border-color);order:2}.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.post-card:hover .post-cover img{transform:scale(1.03)}.post-cover.is-diagram img{object-fit:contain;padding:8px}.section-footer-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);font-size:.85rem;color:var(--text-secondary)}.section-footer-bar a{font-weight:600;color:var(--accent)}.utility-sidebar{min-width:0}.utility-sidebar-sticky{position:sticky;top:78px;display:flex;flex-direction:column;gap:16px}.sidebar-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-sm),var(--card-highlight)}.sidebar-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.sidebar-card-title{margin:0;font-size:.88rem;font-weight:700;color:var(--text-main)}.sidebar-card-more{font-size:.78rem;color:var(--accent)}.profile-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.profile-avatar{width:42px;height:42px;border-radius:10px;border:1px solid var(--border-color);padding:4px;background:var(--bg-subtle)}.profile-name{margin:0;font-size:.96rem;font-weight:700}.profile-role{margin:2px 0 0;font-size:.76rem;color:var(--text-muted)}.profile-summary-line{margin:0 0 12px;padding:10px 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);font-size:.8rem;color:var(--text-secondary);font-variant-numeric:tabular-nums}.profile-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.profile-links a{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:500;background:var(--bg-subtle);color:var(--text-secondary)}.profile-links a:hover{color:var(--accent);background:var(--accent-soft)}.sidebar-cat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.sidebar-cat-list a{display:flex;align-items:center;justify-content:space-between;padding:6px 8px;border-radius:var(--radius-sm);font-size:.84rem;color:var(--text-secondary)}.sidebar-cat-list a:hover{background:var(--bg-subtle);color:var(--accent)}.sidebar-cat-count{font-family:var(--font-mono);font-size:.72rem;padding:1px 7px;border-radius:99px;background:var(--bg-subtle);color:var(--text-muted)}.sidebar-tag-cloud{display:flex;flex-wrap:wrap;gap:6px}.sidebar-tag-pill{font-size:.76rem;padding:3px 8px;border-radius:6px;background:var(--bg-subtle);color:var(--text-secondary)}.sidebar-tag-pill:hover{background:var(--accent-soft);color:var(--accent)}.kg-mini-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-sm),var(--card-highlight)}.kg-mini-stage{position:relative;width:100%;height:224px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-page);overflow:hidden}.kg-canvas{width:100%;height:100%;cursor:grab;touch-action:none}.kg-canvas:active{cursor:grabbing}.kg-mini-caption{margin:8px 0 0;font-size:.74rem;color:var(--text-muted);display:flex;align-items:center;justify-content:space-between}.kg-workbench{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card),var(--card-highlight);overflow:hidden;margin-bottom:24px}.kg-workbench-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border-color);background:var(--bg-card);flex-wrap:wrap}.kg-workbench-title{display:flex;align-items:center;gap:12px}.kg-workbench-title h1{margin:0;font-size:1.08rem;font-weight:700}.kg-workbench-stats{font-size:.8rem;color:var(--text-muted)}.kg-workbench-actions{display:flex;align-items:center;gap:8px}.kg-btn{padding:5px 11px;border-radius:6px;border:1px solid var(--border-color);background:var(--bg-card);font-size:.8rem;color:var(--text-secondary);cursor:pointer}.kg-btn:hover{border-color:var(--border-strong);color:var(--text-main);background:var(--bg-subtle)}.kg-btn.is-active{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent);font-weight:600}.kg-workbench-body{display:grid;grid-template-columns:240px minmax(0,1fr) 288px;height:640px}.kg-workbench-body.is-right-collapsed{grid-template-columns:240px minmax(0,1fr)}.kg-left-pane{border-right:1px solid var(--border-color);padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;background:var(--bg-card)}.kg-field{display:flex;flex-direction:column;gap:6px}.kg-field-label{font-size:.78rem;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;justify-content:space-between}.kg-input,.kg-select{width:100%;padding:7px 10px;border-radius:6px;border:1px solid var(--border-color);background:var(--bg-page);font-size:.82rem;color:var(--text-main)}.kg-input:focus,.kg-select:focus{outline:none;border-color:var(--accent)}.kg-type-filters{display:flex;flex-direction:column;gap:6px}.kg-type-chip{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-radius:6px;border:1px solid var(--border-color);background:var(--bg-page);font-size:.8rem;cursor:pointer}.kg-type-chip[aria-pressed=true]{border-color:var(--accent-border);background:var(--accent-soft);color:var(--text-main);font-weight:600}.kg-type-left{display:inline-flex;align-items:center;gap:8px}.kg-dot{width:9px;height:9px;border-radius:50%}.kg-dot.is-category{background:#0d9488}.kg-dot.is-post{background:#3b82f6}.kg-dot.is-project{background:#7c3aed}.kg-dot.is-tag{background:#d97706}.kg-help-box{margin-top:auto;padding:12px;border-radius:8px;background:var(--bg-subtle);border:1px solid var(--border-color);font-size:.75rem;color:var(--text-secondary);line-height:1.55}.kg-help-box p{margin:0 0 6px}.kg-help-box ul{margin:0;padding-left:16px}.kg-center-stage{position:relative;background:var(--bg-page);overflow:hidden}.kg-zoom-bar{position:absolute;top:12px;right:12px;z-index:5;display:flex;align-items:center;gap:4px;padding:4px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.kg-zoom-btn{height:28px;min-width:28px;padding:0 8px;border-radius:5px;border:0;background:transparent;font-size:.78rem;color:var(--text-secondary);cursor:pointer}.kg-zoom-btn:hover{background:var(--bg-subtle);color:var(--text-main)}.kg-stage-legend{position:absolute;bottom:12px;left:12px;z-index:5;display:inline-flex;align-items:center;gap:12px;padding:5px 11px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);font-size:.74rem;color:var(--text-secondary);pointer-events:none}.kg-stage-legend span{display:inline-flex;align-items:center;gap:5px}.kg-legend-line{display:inline-block;width:14px;height:6px;border-top:1.8px solid var(--accent);border-radius:50% 50% 0 0}.kg-legend-pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px var(--accent)}.kg-right-pane{border-left:1px solid var(--border-color);padding:18px;overflow-y:auto;background:var(--bg-card);display:flex;flex-direction:column;gap:12px}.kg-inspector-badge{display:inline-block;font-family:var(--font-mono);font-size:.74rem;font-weight:600;color:var(--accent)}.kg-inspector-title{margin:0;font-size:1.02rem;font-weight:700;line-height:1.42}.kg-inspector-meta{margin:0;font-size:.78rem;color:var(--text-muted)}.kg-inspector-desc{margin:0;font-size:.84rem;color:var(--text-secondary);line-height:1.62}.kg-open-link{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:6px;background:var(--accent);color:#fff;font-size:.82rem;font-weight:600}html[data-scheme=dark] .kg-open-link{color:#090d14}.kg-relations-head{font-size:.78rem;font-weight:600;color:var(--text-secondary);padding-top:12px;border-top:1px solid var(--border-color)}.kg-relations-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.kg-relation-item{width:100%;text-align:left;padding:8px 10px;border-radius:6px;border:1px solid var(--border-color);background:var(--bg-page);font-size:.78rem;cursor:pointer;display:flex;flex-direction:column;gap:2px}.kg-relation-item:hover{border-color:var(--accent-border);background:var(--accent-soft)}.kg-relation-item strong{color:var(--text-main);font-weight:600}.kg-relation-item span{font-size:.72rem;color:var(--text-muted)}.article-page{padding-top:28px;padding-bottom:72px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}.article-layout.has-toc{grid-template-columns:minmax(0,1fr) 256px}.article-rail{display:none}.article-main{min-width:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:38px 44px;box-shadow:var(--shadow-card),var(--card-highlight)}.article-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;padding-bottom:14px;border-bottom:1px solid var(--border-color);font-size:.84rem}.article-back{color:var(--text-secondary);font-weight:500}.article-back:hover{color:var(--accent)}.article-header{margin-bottom:28px}.article-meta{margin:0 0 10px;font-size:.82rem;color:var(--text-muted)}.article-meta a{color:var(--accent);font-weight:500}.article-updated{margin:0 0 8px;font-size:.78rem;color:var(--text-muted)}.article-header h1{margin:0 0 14px;font-family:var(--font-serif);font-size:1.85rem;font-weight:600;line-height:1.35;letter-spacing:-.02em}.article-description{margin:0 0 16px;font-size:.96rem;color:var(--text-secondary);line-height:1.7}.post-tags{display:flex;flex-wrap:wrap;gap:12px;font-size:.8rem}.post-tags a{color:var(--text-muted)}.post-tags a:hover{color:var(--accent)}.tag-sep{display:none}.article-cover{margin:0 0 28px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);background:var(--bg-subtle)}.article-cover img{width:100%;max-height:440px;object-fit:cover}.article-cover.is-diagram img{object-fit:contain;padding:18px}.article-cover figcaption{padding:9px 14px;font-size:.78rem;color:var(--text-muted);border-top:1px solid var(--border-color);text-align:center}.article-content{font-size:1.02rem;line-height:1.82;color:var(--text-main);overflow-wrap:break-word}.article-content h2{margin:2.1em 0 .75em;padding-bottom:.4em;border-bottom:1px solid var(--border-color);font-size:1.35rem;font-weight:700;line-height:1.4;letter-spacing:-.015em}.article-content h3{margin:1.65em 0 .6em;font-size:1.14rem;font-weight:650;line-height:1.45}.article-content p,.article-content ul,.article-content ol,.article-content blockquote,.article-content table,.article-content figure{margin:0 0 1.3em}.article-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.article-content code{font-family:var(--font-mono);font-size:.86em;padding:2px 6px;border-radius:5px;background:var(--bg-subtle);border:1px solid var(--border-color)}.article-content pre,.article-content figure.highlight{position:relative;margin:0 0 1.5em;padding-top:32px;border-radius:var(--radius-md);background:var(--bg-code);color:#e2e8f0;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow-sm);overflow-x:auto}.article-content pre:before,.article-content figure.highlight:before{content:"";position:absolute;top:0;left:0;right:0;height:32px;background:#ffffff09;border-bottom:1px solid rgba(255,255,255,.07);pointer-events:none}.article-content pre{padding:44px 18px 16px}.article-content pre code{padding:0;background:none;border:0;color:inherit;font-size:.85rem;line-height:1.68}.article-content figure.highlight table{width:100%;margin:0;border-collapse:collapse;display:table}.article-content figure.highlight td.gutter{user-select:none;width:42px;padding:14px 8px 14px 14px;color:#64748b;text-align:right;vertical-align:top;border:0}.article-content figure.highlight td.code{padding:14px 16px 14px 8px;border:0}.article-content figure.highlight pre{margin:0;padding:0;border:0;background:transparent}.article-content figure.highlight pre:before{display:none}.code-lang{position:absolute;top:7px;left:14px;font-family:var(--font-mono);font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#94a3b8;user-select:none}.code-copy{position:absolute;top:5px;right:10px;padding:2px 9px;border-radius:5px;border:1px solid rgba(255,255,255,.14);background:#0f172aa6;color:#cbd5e1;font-size:.72rem;cursor:pointer}.code-copy:hover{background:#1e293bf2;color:#fff}.headerlink{margin-left:6px;opacity:0;font-size:.85em;color:var(--text-muted);text-decoration:none!important;transition:opacity .15s ease}.article-content h2:hover .headerlink,.article-content h3:hover .headerlink,.article-content h4:hover .headerlink{opacity:1}.article-content blockquote{padding:14px 20px;border-left:3px solid var(--accent);background:var(--bg-subtle);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary)}.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.3em}.article-content table:not(.highlight table){width:100%;min-width:480px;border-collapse:collapse;font-size:.9rem;display:table;margin:0}.article-content table:not(.highlight table) th,.article-content table:not(.highlight table) td{padding:10px 14px;border:1px solid var(--border-color);text-align:left;vertical-align:top}.article-content table:not(.highlight table) th{background:var(--bg-subtle);font-weight:600}.learning-callout{margin:0 0 1.5em;padding:18px 22px;border-radius:var(--radius-md);border:1px solid var(--accent-border);background:var(--accent-soft)}.learning-callout-title{margin:0 0 8px!important;font-size:.92rem;font-weight:700;color:var(--accent)}.learning-callout ul{margin:0!important;padding-left:18px;font-size:.9rem}.article-diagram,.article-media{margin:1.6em 0;padding:18px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-subtle)}.article-diagram img,.article-media img{margin-inline:auto;border-radius:var(--radius-sm);cursor:zoom-in}html[data-scheme=dark] .article-diagram,html[data-scheme=dark] .article-media{background:#0f172ab8;border-color:#94a3b829}html[data-scheme=dark] .article-diagram img[src$=".svg"]{filter:brightness(.94) contrast(1.02);border:1px solid rgba(148,163,184,.18)}.article-diagram figcaption,.article-media figcaption{margin-top:10px;font-size:.78rem;color:var(--text-muted);text-align:center;line-height:1.5}.article-media-controls{display:flex;justify-content:center;margin-top:10px}.media-motion-toggle{padding:5px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);font-size:.8rem;color:var(--text-secondary);cursor:pointer}.media-motion-toggle:hover{border-color:var(--accent);color:var(--accent)}.game-verdict{margin:1em 0 1.4em;padding:12px 16px;border-radius:var(--radius-sm);border-left:3px solid var(--accent);background:var(--bg-subtle);font-size:.92rem}.game-verdict-label{display:inline-block;margin-right:8px;padding:1px 7px;border-radius:4px;background:var(--accent-soft);color:var(--accent);font-size:.78rem;font-weight:700}.article-footer{margin-top:36px;padding-top:24px;border-top:1px solid var(--border-color)}.article-adjacent-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.adjacent-card{display:flex;flex-direction:column;gap:4px;padding:14px 18px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-subtle)}.adjacent-card:hover{border-color:var(--accent-border);background:var(--accent-soft)}.adjacent-card.is-next{text-align:right}.adjacent-card span{font-size:.76rem;color:var(--text-muted)}.adjacent-card strong{font-size:.92rem;color:var(--text-main)}.article-aside{position:sticky;top:78px}.article-toc{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-sm),var(--card-highlight);max-height:calc(100vh - 104px);overflow-y:auto}.toc-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.toc-title{margin:0;font-size:.86rem;font-weight:700;color:var(--text-main)}.toc-toggle{padding:2px 8px;border-radius:4px;border:1px solid var(--border-color);background:var(--bg-subtle);font-size:.74rem;color:var(--text-secondary);cursor:pointer}.article-toc.is-collapsed .toc-list,.article-toc.is-collapsed ol,.article-toc ol[hidden]{display:none!important}.article-toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px}.article-toc .toc-l3 a{padding-left:18px;font-size:.78rem}.article-toc a{display:block;padding:5px 8px;border-radius:6px;font-size:.81rem;color:var(--text-secondary);line-height:1.42}.article-toc a:hover,.article-toc a.is-active{color:var(--accent);background:var(--accent-soft);font-weight:600}.page-main{padding-top:28px;padding-bottom:64px}.page-heading{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:26px 30px;margin-bottom:24px;box-shadow:var(--shadow-card),var(--card-highlight)}.page-kicker{margin:0 0 6px;font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.page-heading h1{margin:0 0 8px;font-family:var(--font-serif);font-size:1.55rem;font-weight:600;letter-spacing:-.02em}.page-heading p{margin:0;font-size:.92rem;color:var(--text-secondary);line-height:1.68}.not-found-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.not-found-section{margin-bottom:12px}.taxonomy-grid{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm),var(--card-highlight)}.category-list,.tag-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.category-list-item,.tag-list-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-page)}.category-list-item:hover,.tag-list-item:hover{border-color:var(--accent-border);background:var(--accent-soft)}.category-list-link,.tag-list-link{font-size:.9rem;font-weight:500}.category-list-count,.tag-list-count{font-family:var(--font-mono);font-size:.74rem;padding:2px 8px;border-radius:99px;background:var(--bg-subtle);color:var(--text-muted)}.archive-growth-section{margin-bottom:28px}.timeline{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:26px 30px;box-shadow:var(--shadow-sm),var(--card-highlight)}.timeline-year{margin:24px 0 12px;font-family:var(--font-serif);font-size:1.25rem;font-weight:600;color:var(--accent)}.timeline-year:first-child{margin-top:0}.timeline-item{display:grid;grid-template-columns:76px minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px dashed var(--border-color);font-size:.92rem}.timeline-item time{font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted)}.timeline-item-main{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.timeline-item-cat{font-size:.78rem;color:var(--text-muted)}.timeline-item a:hover{color:var(--accent)}.projects-stats,.learning-stats{display:flex;flex-wrap:wrap;gap:28px;margin:16px 0 0;padding-top:14px;border-top:1px solid var(--border-color)}.projects-stats div,.learning-stats div{display:flex;align-items:baseline;gap:8px}.projects-stats dt,.learning-stats dt{font-size:.8rem;color:var(--text-muted)}.projects-stats dd,.learning-stats dd{margin:0;font-size:1.15rem;font-weight:700;color:var(--accent)}.projects-featured{margin-bottom:28px}.featured-projects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:12px}.featured-project,.project-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm),var(--card-highlight);overflow:hidden;display:flex;flex-direction:column;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.featured-project:hover,.project-card:hover{border-color:var(--accent-border);box-shadow:var(--shadow-hover);transform:translateY(-1.5px)}.featured-project-cover,.project-cover{height:148px;background:var(--bg-subtle);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;overflow:hidden}.featured-project-cover img,.project-cover img{width:100%;height:100%;object-fit:cover}.featured-project-copy,.project-card-body{padding:18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}.project-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.74rem;color:var(--text-muted)}.project-group-tag{color:var(--accent);font-weight:600}.featured-project-name{font-size:1.04rem;line-height:1.4}.project-title-row{display:flex;align-items:center;gap:10px}.project-monogram{width:28px;height:28px;border-radius:7px;background:var(--accent-soft);border:1px solid var(--accent-border);color:var(--accent);font-family:var(--font-mono);font-size:.82rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.project-card-body h2{margin:0;font-size:.98rem;line-height:1.38}.project-card-body h2 a:hover,.featured-project-name a:hover{color:var(--accent)}.project-description{margin:0;font-size:.85rem;color:var(--text-secondary);line-height:1.6;flex:1}.project-meta{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--border-color);font-size:.76rem;color:var(--text-muted)}.project-links-inline{display:inline-flex;align-items:center;gap:12px}.project-article-link{font-size:.8rem;font-weight:600;color:var(--accent)}.projects-status{margin:0;font-size:.8rem;color:var(--text-muted)}.projects-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:12px 0 18px}.project-filters{display:flex;flex-wrap:wrap;gap:6px}.project-filters button{padding:5px 11px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);font-size:.8rem;color:var(--text-secondary);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.project-filters button span{font-family:var(--font-mono);font-size:.72rem;color:var(--text-muted)}.project-filters button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-border);font-weight:600}.project-search input{padding:7px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);width:248px;font-size:.84rem}.project-search input:focus{outline:none;border-color:var(--accent)}.projects-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.learning-section{margin-bottom:26px}.learning-path{display:flex;flex-direction:column;gap:10px;margin-top:12px}.learning-step{display:grid;grid-template-columns:44px minmax(0,1fr) 24px;align-items:center;gap:14px;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm),var(--card-highlight)}.learning-step:hover{border-color:var(--accent-border);box-shadow:var(--shadow-hover);transform:translateY(-1px)}.learning-step-index{width:36px;height:36px;border-radius:8px;background:var(--accent-soft);border:1px solid var(--accent-border);color:var(--accent);font-family:var(--font-mono);font-weight:700;display:flex;align-items:center;justify-content:center}.learning-step-copy{display:flex;flex-direction:column;gap:4px}.learning-step-copy span{font-size:.86rem;color:var(--text-secondary)}.learning-step-meta{font-size:.76rem!important;color:var(--text-muted)!important}.learning-gap{font-size:.8rem;color:var(--text-muted);margin-top:10px}.learning-how{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px 28px;box-shadow:var(--shadow-sm),var(--card-highlight)}.learning-how h2{margin:0 0 14px;font-size:1.05rem}.learning-how-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;font-size:.88rem}.subscribe-box{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:16px 20px;border-radius:var(--radius-md);background:var(--bg-subtle);border:1px solid var(--border-color);margin-bottom:24px}.subscribe-box span{display:block;font-size:.76rem;color:var(--text-muted);margin-bottom:4px}.subscribe-actions{display:flex;flex-wrap:wrap;gap:8px}.primary-action{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:var(--radius-sm);background:var(--accent);color:#fff!important;text-decoration:none!important;font-size:.86rem;font-weight:600;border:0;cursor:pointer}html[data-scheme=dark] .primary-action{color:#090d14!important}.secondary-action{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary)!important;text-decoration:none!important;font-size:.85rem;cursor:pointer}.secondary-action:hover{border-color:var(--accent-border);color:var(--accent)!important}.search-dialog{position:fixed;inset:0;z-index:200;background:#0f172a8c;backdrop-filter:blur(4px);display:flex;align-items:flex-start;justify-content:center;padding:10vh 16px 24px}.search-dialog[hidden]{display:none!important}.search-panel{width:min(600px,100%);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.search-head h2{margin:0;font-size:1rem}.search-input{width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-page);font-size:.95rem}.search-input:focus{outline:none;border-color:var(--accent)}.search-meta{display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-muted);margin:10px 0}.search-results{max-height:55vh;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.search-result{display:block;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-page)}.search-result:hover{border-color:var(--accent-border)}.search-result strong{display:block;font-size:.92rem;margin-bottom:4px}.search-result span{display:block;font-size:.8rem;color:var(--text-secondary)}.search-result small{display:block;margin-top:4px;font-size:.74rem;color:var(--text-muted)}.to-top{position:fixed;right:24px;bottom:24px;z-index:90;width:42px;height:42px;padding:0;border-radius:50%;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-main);box-shadow:var(--shadow-card);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease,border-color .15s ease}.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.to-top:hover{border-color:var(--accent);color:var(--accent)}.to-top-ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg);pointer-events:none}.to-top-ring-track{fill:none;stroke:transparent;stroke-width:2.5}.to-top-ring-bar{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:125.66;stroke-dashoffset:125.66;transition:stroke-dashoffset .1s linear}.to-top-arrow{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.image-lightbox{position:fixed;inset:0;z-index:250;background:#0f172ad9;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:32px}.image-lightbox[hidden]{display:none!important}.image-lightbox-close{position:absolute;top:20px;right:24px;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:#0f172abf;color:#fff;font-size:1.4rem;line-height:1;cursor:pointer}.image-lightbox-stage{max-width:min(1160px,92vw);max-height:86vh;display:flex;flex-direction:column;align-items:center;gap:12px}.image-lightbox-stage img{max-width:100%;max-height:78vh;width:auto;height:auto;object-fit:contain;border-radius:var(--radius-md);background:var(--bg-card);padding:8px;box-shadow:var(--shadow-pop)}.image-lightbox-stage p,.image-lightbox-stage figcaption{margin:0;font-size:.86rem;color:#e2e8f0;text-align:center}.site-footer{border-top:1px solid var(--border-color);background:var(--bg-card);padding:32px 0;margin-top:auto}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:.84rem;color:var(--text-muted)}.footer-brand p{margin:4px 0 0;font-size:.8rem}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer-links a:hover{color:var(--accent)}.footer-meta{margin:0;width:100%;padding-top:14px;border-top:1px solid var(--border-color);font-size:.76rem}@media(max-width:1024px){.home-workspace-grid{grid-template-columns:1fr}.utility-sidebar-sticky{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.article-layout.has-toc{grid-template-columns:1fr}.article-aside{position:static;order:-1}.article-toc.is-collapsed .toc-head{margin-bottom:0}.kg-workbench-body,.kg-workbench-body.is-right-collapsed{grid-template-columns:1fr;height:auto}.kg-workbench-actions [data-kg-toggle-right],.kg-help-box{display:none!important}.kg-left-pane{border-right:0;border-bottom:1px solid var(--border-color);padding:14px 16px;gap:12px}.kg-type-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.kg-center-stage{height:440px}.kg-right-pane{border-left:0;border-top:1px solid var(--border-color)}.featured-projects,.projects-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.desktop-nav,.search-kbd{display:none}.menu-button{display:inline-flex}.shell,.header-inner{width:calc(100% - 24px)}.lead-story,.post-card{grid-template-columns:1fr;padding:18px}.lead-visual,.post-cover{height:160px;order:-1}.post-grid,.growth-timeline-grid,.utility-sidebar-sticky,.featured-projects,.projects-grid,.learning-how-grid,.article-adjacent-nav{grid-template-columns:1fr}.article-main{padding:22px 16px}.article-header h1{font-size:1.45rem}.article-diagram,.article-media{padding:10px}.article-content figure.highlight td.gutter{width:32px;padding:12px 6px 12px 10px;font-size:.78rem}.article-content figure.highlight td.code{padding:12px 12px 12px 6px}.kg-workbench-toolbar{padding:12px 14px;flex-direction:column;align-items:flex-start;gap:10px}.kg-workbench-title{flex-direction:column;align-items:flex-start;gap:4px}.kg-workbench-actions{width:100%;flex-wrap:wrap}.kg-center-stage{height:360px}.kg-stage-legend{left:10px;bottom:10px;padding:4px 10px;gap:8px;font-size:.68rem}.kg-stage-controls{right:10px;bottom:10px}.image-lightbox{padding:12px}.project-search input{width:100%}.to-top{right:16px;bottom:16px;width:38px;height:38px}}