:root{--paper: #f4f1ea;--surface: #faf8f3;--surface-2: #efebe1;--ink: #221d17;--ink-soft: #4a443a;--ink-mute: #8a8170;--rule: #d8d2c4;--rule-soft: #e6e0d3;--accent: #534ab7;--accent-soft: rgba(83, 74, 183, 0.08);--serif: "Noto Serif SC", Georgia, "Songti SC", "STSong", serif;--sans: "Inter", "Noto Sans SC", "PingFang SC", -apple-system, sans-serif;--max: 1080px;--nav-h: 56px}:root[data-theme="dark"]{--paper: #14130f;--surface: #1b1914;--surface-2: #211e18;--ink: rgba(245, 241, 232, 0.94);--ink-soft: rgba(245, 241, 232, 0.7);--ink-mute: rgba(245, 241, 232, 0.46);--rule: rgba(245, 241, 232, 0.15);--rule-soft: rgba(245, 241, 232, 0.08);--accent: #b3a8f2;--accent-soft: rgba(179, 168, 242, 0.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7;font-weight:400;-webkit-font-smoothing:antialiased;transition:background 0.3s ease, color 0.3s ease}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{max-width:var(--max);margin:0 auto;padding:0 1.5rem}.site-nav{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--rule);transition:transform 0.3s ease, background 0.3s ease}.site-nav.hidden{transform:translateY(-100%)}.nav-inner{max-width:var(--max);margin:0 auto;padding:0 1.2rem;height:var(--nav-h);display:flex;align-items:center;gap:0.9rem}.nav-brand{font-family:var(--serif);font-size:1rem;font-weight:500;letter-spacing:0.04em;color:var(--ink);white-space:nowrap}.nav-links{display:flex;gap:0.9rem;list-style:none;margin:0;padding:0}.nav-links a{font-size:0.8rem;color:var(--ink-mute);transition:color 0.15s;white-space:nowrap}.nav-links a:hover{color:var(--accent)}.nav-cta{margin-left:auto;background:var(--accent);color:var(--paper);font-size:0.78rem;padding:0.32rem 0.8rem;border-radius:6px;white-space:nowrap;transition:opacity 0.15s}.nav-cta:hover{opacity:0.88}.nav-search{display:inline-flex;align-items:center;background:none;border:1px solid var(--rule);color:var(--ink-soft);font-size:0.85rem;padding:0.4rem 0.9rem;border-radius:6px;cursor:pointer;font-family:var(--sans)}.nav-search:hover{border-color:var(--accent);color:var(--accent)}.theme-toggle{background:none;border:1px solid var(--rule);color:var(--ink-soft);width:32px;height:30px;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}.icon-sun{display:none}.icon-moon{display:inline-flex}:root[data-theme="dark"] .icon-moon{display:none}:root[data-theme="dark"] .icon-sun{display:inline-flex}.nav-toggle{display:none}.mobile-nav{display:none}.nav-spacer{display:none}.masthead{text-align:center;padding:2.6rem 0 1.4rem}.mast-rule{border-top:1px solid var(--rule)}.mast-name{font-family:var(--serif);font-size:clamp(2.2rem, 6vw, 3.2rem);font-weight:500;letter-spacing:0.05em;margin:0.8rem 0 0.5rem}.mast-tagline{font-size:0.74rem;letter-spacing:0.26em;text-transform:uppercase;color:var(--ink-mute)}.ed-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:1.6rem;padding:0.9rem 0;font-size:0.82rem;color:var(--ink-soft)}.ed-nav a:hover{color:var(--accent)}.sec-label{font-size:0.72rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--ink-mute);margin:2rem 0 1rem;display:flex;align-items:center;gap:0.7rem}.sec-label::after{content:"";flex:1;border-top:1px solid var(--rule-soft)}.feat{padding:0.4rem 0 0.6rem}.feat-kicker{font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--accent);margin-bottom:0.6rem}.feat-title{font-family:var(--serif);font-size:clamp(1.5rem, 3.6vw, 2rem);font-weight:500;line-height:1.3;margin:0 0 0.7rem}.feat-title a:hover{color:var(--accent)}.feat-lead{font-size:1rem;line-height:1.75;color:var(--ink-soft);margin:0 0 0.6rem;max-width:46rem}.feat-by{font-size:0.78rem;color:var(--ink-mute)}.post-list{list-style:none;margin:0;padding:0}.post-item{padding:1.05rem 0;border-top:1px solid var(--rule)}.post-item:last-child{border-bottom:1px solid var(--rule)}.post-title{font-family:var(--serif);font-size:1.18rem;font-weight:500;line-height:1.4;margin:0 0 0.35rem}.post-title a:hover{color:var(--accent)}.post-meta{font-size:0.76rem;color:var(--ink-mute);display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center}.post-summary{font-size:0.92rem;color:var(--ink-soft);line-height:1.65;margin:0.45rem 0 0}.post-badge{background:var(--accent-soft);color:var(--accent);padding:0.05rem 0.5rem;border-radius:5px;font-size:0.7rem}.post-badge.pin{background:var(--accent);color:var(--paper)}.post-tags{display:flex;flex-wrap:wrap;gap:0.35rem;margin-top:0.5rem}.post-tag{font-size:0.7rem;color:var(--ink-mute);border:1px solid var(--rule);padding:0.05rem 0.45rem;border-radius:5px}.tag-filter{display:flex;flex-wrap:wrap;gap:0.5rem;margin:0.2rem 0 1.2rem}.tag-chip{background:none;border:1px solid var(--rule);color:var(--ink-soft);padding:0.28rem 0.85rem;border-radius:20px;font-size:0.78rem;cursor:pointer;font-family:var(--sans);transition:all 0.15s}.tag-chip:hover{border-color:var(--accent);color:var(--accent)}.tag-chip.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}.rail-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:1.6rem;margin-top:0.5rem}.rail-label{font-size:0.72rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);margin-bottom:0.6rem}.rail-item{font-size:0.88rem;color:var(--ink-soft);line-height:1.7}.rail-item a:hover{color:var(--accent)}.about{display:flex;gap:2rem;flex-wrap:wrap;align-items:flex-start}.about-text{flex:1;min-width:16rem;font-size:0.95rem;color:var(--ink-soft);line-height:1.8}.about-stats{display:flex;gap:1.5rem}.stat-num{font-family:var(--serif);font-size:1.8rem;font-weight:500}.stat-label{font-size:0.74rem;color:var(--ink-mute)}.page-header{border-bottom:1px solid var(--rule);margin-bottom:1.4rem}.page-header .container{padding-top:2.2rem;padding-bottom:1.4rem}.page-header h1{font-family:var(--serif);font-size:clamp(1.7rem, 4vw, 2.4rem);font-weight:500;margin:0}.hero-tagline,.page-meta{font-size:0.92rem;color:var(--ink-mute);margin:0.5rem 0 0}.crumb{font-size:0.78rem;margin-bottom:1.4rem}.crumb a{color:var(--ink-mute)}.crumb a:hover{color:var(--accent)}.crumb .sep{color:var(--rule);margin:0 0.4rem}.crumb .cur{color:var(--ink-soft)}.content-wrapper{display:grid;grid-template-columns:1fr 220px;gap:2.4rem;align-items:start;padding-bottom:3rem}.main-content{max-width:100%}.main-content h2{font-family:var(--serif);font-size:1.5rem;font-weight:500;margin:2rem 0 0.8rem}.main-content h3{font-family:var(--serif);font-size:1.2rem;font-weight:500;margin:1.6rem 0 0.6rem}.main-content p{margin:0 0 1.1rem}.main-content a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.main-content ul,.main-content ol{padding-left:1.3rem;margin:0 0 1.1rem}.main-content li{margin:0.3rem 0}.main-content blockquote{border-left:2px solid var(--accent);margin:1.2rem 0;padding:0.2rem 0 0.2rem 1rem;color:var(--ink-mute);font-style:italic}.main-content code{font-family:"JetBrains Mono", monospace;background:var(--surface-2);padding:0.1rem 0.35rem;border-radius:4px;font-size:0.88em}.main-content pre{background:var(--surface-2);padding:1rem;border-radius:8px;overflow-x:auto}.main-content pre code{background:none;padding:0}.main-content img{border-radius:8px;margin:1rem 0}.main-content hr{border:none;border-top:1px solid var(--rule);margin:2rem 0}.page-sidebar{position:sticky;top:calc(var(--nav-h) + 1.5rem);font-size:0.82rem}.toc-title{font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:0.7rem}.toc-list{list-style:none;margin:0;padding:0}.toc-list li{margin:0.3rem 0}.toc-list .toc-h3{padding-left:0.8rem}.toc-list a{color:var(--ink-mute)}.toc-list a:hover,.toc-list a.active{color:var(--accent)}.mobile-toc{display:none;margin-bottom:1.2rem}.card{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:1.2rem 1.4rem}.search-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:100;padding-top:12vh}.search-overlay.active{display:block}.search-box{max-width:560px;margin:0 auto;background:var(--surface);border:1px solid var(--rule);border-radius:12px;padding:1rem}.search-input-wrap{display:flex;align-items:center;gap:0.5rem}#search-input{flex:1;background:var(--paper);border:1px solid var(--rule);border-radius:8px;padding:0.6rem 0.8rem;color:var(--ink);font-size:0.95rem;font-family:var(--sans)}.search-close{background:none;border:none;color:var(--ink-mute);font-size:1.4rem;cursor:pointer;line-height:1}.search-results{margin-top:0.8rem;max-height:50vh;overflow-y:auto}.search-results a{display:block;padding:0.6rem 0.5rem;border-radius:6px}.search-results a:hover{background:var(--surface-2)}.result-title{font-size:0.92rem;color:var(--ink)}.result-cat{font-size:0.74rem;color:var(--ink-mute)}.no-results{color:var(--ink-mute);padding:0.6rem;font-size:0.9rem}.search-hint{font-size:0.72rem;color:var(--ink-mute);margin-top:0.6rem;text-align:right}.site-footer{border-top:1px solid var(--rule);margin-top:3rem;padding:2rem 0}.site-footer .container{font-size:0.8rem;color:var(--ink-mute)}.site-footer a{color:var(--accent)}.post-title,.feat-title{cursor:pointer}.post-title .caret,.feat-title .caret{display:inline-block;color:var(--ink-mute);margin-right:0.4rem;transition:transform 0.2s ease}.post-item.open .caret,.feat.open .caret{transform:rotate(90deg)}.post-detail{display:none;margin-top:0.7rem;padding-top:0.8rem;border-top:1px dashed var(--rule)}.post-item.open .post-detail,.feat.open .post-detail{display:block}.post-detail p{margin:0 0 0.9rem;color:var(--ink-soft);line-height:1.75}.post-detail h2{font-family:var(--serif);font-size:1.3rem;font-weight:500;margin:1.2rem 0 0.6rem}.post-detail h3{font-family:var(--serif);font-size:1.1rem;font-weight:500;margin:1rem 0 0.5rem}.post-detail a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}.post-detail ul,.post-detail ol{padding-left:1.3rem;margin:0 0 0.9rem}.post-detail li{margin:0.25rem 0}.post-detail blockquote{border-left:2px solid var(--accent);margin:0.9rem 0;padding:0.1rem 0 0.1rem 0.9rem;color:var(--ink-mute);font-style:italic}.post-detail code{font-family:"JetBrains Mono", monospace;background:var(--surface-2);padding:0.1rem 0.35rem;border-radius:4px;font-size:0.88em}.post-detail strong{font-weight:500}.detail-src{font-size:0.82rem}.insight-body>p:first-child{color:var(--ink)}.insight-body blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0;margin:1rem 0 0;padding:0.75rem 1rem;font-style:normal;color:var(--ink-soft)}.insight-body blockquote p{margin:0;line-height:1.7}.fade-in{opacity:0;transform:translateY(12px);transition:opacity 0.6s ease, transform 0.6s ease}.fade-in.visible{opacity:1;transform:none}@media (max-width: 820px){.content-wrapper{grid-template-columns:1fr}.page-sidebar{display:none}.mobile-toc{display:block}.rail-grid{grid-template-columns:1fr;gap:1.2rem}}@media (max-width: 640px){.nav-links{display:none}.nav-toggle{display:flex;flex-direction:column;gap:4px;margin-left:auto;background:none;border:none;cursor:pointer}.nav-toggle span{width:20px;height:1.5px;background:var(--ink-soft)}.nav-search{margin-left:0.6rem}.mobile-nav{display:none;position:fixed;inset:var(--nav-h) 0 0;background:var(--paper);z-index:49;flex-direction:column;padding:1.5rem;gap:1rem;font-size:1.1rem}.mobile-nav.active{display:flex}.mobile-nav a{color:var(--ink-soft);font-family:var(--serif)}}