:root{--bg:#fafbfd;--surface:#fff;--ink:#182337;--muted:#677387;--line:#e4e9f1;--blue:#2869df;--soft:#eef3fd;--art:#eff4fc;--shadow:0 16px 48px #142f6410;color-scheme:light}html[data-theme=dark]{--bg:#0f1725;--surface:#172234;--ink:#e8eef8;--muted:#9aaac0;--line:#2a3850;--blue:#80acff;--soft:#1c2d49;--art:#182941;--shadow:0 16px 48px #0002;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{max-width:100%;height:auto}::selection{background:#a6c5ff;color:#12264b}.container{width:min(1200px,calc(100% - 96px));margin:auto}.skip-link{position:fixed;top:-100px;left:20px;z-index:99;background:var(--surface);padding:15px}.skip-link:focus{top:15px}.site-header{height:92px;border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{height:100%;display:flex;align-items:center;gap:34px}.brand{display:flex;gap:12px;align-items:center;font-size:21px;font-weight:750;letter-spacing:-.6px}.brand-mark{height:42px;width:42px;background:var(--blue);border-radius:11px;color:white;display:grid;place-content:center;font-family:monospace;font-size:27px;position:relative}.brand-mark span{position:absolute;right:8px;bottom:8px;font-size:20px}.brand-caption{display:block;font-size:10px;font-weight:500;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-top:4px}.main-nav{margin-left:auto;display:flex;gap:34px;font-size:14px;font-weight:550}.main-nav a:hover,.text-link:hover,.footer-links a:hover{color:var(--blue)}.theme-toggle{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:var(--surface);cursor:pointer;display:grid;place-items:center}.theme-toggle svg{width:20px;height:20px}.sun{display:none}[data-theme=dark] .sun{display:block}[data-theme=dark] .moon{display:none}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:45px;padding-top:72px;padding-bottom:66px}.eyebrow{font-size:10px;letter-spacing:1.6px;font-weight:700;color:var(--muted);display:flex;align-items:center;gap:9px}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--soft)}h1,h2,h3,p{margin:0}h1{font-size:clamp(42px,4.7vw,64px);line-height:1.09;letter-spacing:-2.8px;font-weight:740;margin:25px 0 25px}h1 span{color:var(--blue)}.hero-description{font-size:15px;line-height:1.85;color:var(--muted)}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:29px}.button{display:inline-flex;align-items:center;justify-content:center;gap:32px;padding:15px 21px;border-radius:8px;font-size:13px;font-weight:650;transition:transform .15s}.button:hover{transform:translateY(-2px)}.primary{background:#2869df;color:#fff;box-shadow:0 6px 16px #2869df20}.text-link{font-size:13px;font-weight:600;display:flex;gap:18px}.hero-note{display:flex;align-items:center;gap:9px;margin-top:24px;font-size:11px;color:var(--muted)}.code-icon{font-family:monospace;font-size:15px;color:var(--blue)}.lab-art{border:1px solid var(--line);border-radius:20px;background:var(--art);overflow:hidden;box-shadow:var(--shadow);transform:rotate(1deg)}.art-top,.art-bottom{display:flex;justify-content:space-between;align-items:center;margin:24px 24px 0;font-family:monospace;font-size:9px;letter-spacing:.7px;color:var(--muted)}.art-badge{border:1px solid var(--line);background:var(--surface);padding:6px 8px;border-radius:5px;font-size:8px;color:var(--blue)}.network-art{display:block;width:100%;margin-top:-6px;margin-bottom:-12px;color:var(--ink)}.art-node rect{fill:var(--surface);stroke:var(--line)}.art-bottom{margin:0 24px 24px;font-family:inherit;font-size:10px;letter-spacing:0}.art-bottom i{display:inline-block;width:5px;height:5px;background:#38aa82;border-radius:50%;margin-right:6px}.tech-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}.tech-strip .container{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;color:var(--muted);font-size:13px;font-weight:650}.strip-label{font-size:9px;letter-spacing:1.4px;font-weight:600;color:var(--muted)}.section{padding-top:68px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-heading h2{font-size:30px;letter-spacing:-1px;margin-top:12px;line-height:1.2}.section-aside{font-size:11px;color:var(--muted);padding-bottom:4px}.start-card{display:grid;grid-template-columns:115px 1fr 250px;gap:30px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 4px 20px #142f6404}.start-icon{height:130px;background:var(--soft);border-radius:12px;position:relative;display:grid;place-items:center;color:var(--blue)}.start-icon>span{position:absolute;top:12px;left:14px;font-family:monospace;font-size:10px;color:var(--muted)}.start-icon svg{width:72px}.small-label{font-size:9px;font-weight:700;letter-spacing:1.2px;color:var(--blue)}.start-copy h3{font-size:24px;line-height:1.3;letter-spacing:-.65px;margin:11px 0}.start-copy p{font-size:13px;color:var(--muted);line-height:1.8;max-width:460px}.start-topics{padding-left:26px;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start;gap:9px}.start-topics>span{font-size:11px;padding:7px 11px;border-radius:5px;background:var(--soft);color:var(--ink)}.start-topics small{font-size:10px;color:var(--muted);margin-top:4px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.topic-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:24px;transition:transform .2s,border-color .2s}.topic-card:hover{transform:translateY(-3px);border-color:#95b5ed}.topic-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.topic-icon{display:grid;place-content:center;width:40px;height:40px;background:var(--soft);color:var(--blue);border-radius:9px;font-size:25px}.topic-number{font-family:monospace;font-size:10px;color:var(--muted)}.topic-card h3{font-size:16px;line-height:1.35;letter-spacing:-.2px;min-height:44px}.topic-card p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:12px;min-height:65px}.topic-tag{display:inline-block;margin-top:22px;font-size:9px;letter-spacing:.3px;color:var(--muted);border-top:1px solid var(--line);width:100%;padding-top:15px}.about-card{display:grid;grid-template-columns:1fr 1fr;gap:80px;background:var(--soft);padding:46px;border-radius:16px}.about-card h2{font-size:31px;line-height:1.25;letter-spacing:-1px;margin-top:18px}.about-copy p{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:15px}.about-signature{display:flex;align-items:center;gap:12px;margin-top:25px}.avatar{display:grid;place-items:center;flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-size:20px;font-family:monospace}.about-signature strong{font-size:12px}.about-signature small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.site-footer{margin-top:72px;border-top:1px solid var(--line);padding:34px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center}.footer-brand{font-size:15px;font-weight:750}.footer-brand span{font-weight:400;color:var(--muted)}.site-footer p{font-size:11px;color:var(--muted);margin-top:8px}.footer-links{display:flex;gap:25px;font-size:11px;color:var(--muted)}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.post-cover{display:block;aspect-ratio:1.6;overflow:hidden;border-radius:12px;background:var(--soft)}.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.post-cover:hover img{transform:scale(1.025)}.cover-fallback{height:100%;padding:20px;color:var(--blue);background:var(--soft)}.cover-fallback span{font-family:monospace;font-size:9px;letter-spacing:1px}.cover-fallback svg{width:100%;height:80%;stroke:currentColor;stroke-width:2}.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--muted);margin:17px 0 10px}.post-meta span{color:var(--line)}.post-card h3{font-size:22px;line-height:1.3;letter-spacing:-.6px}.post-card h3 a:hover{color:var(--blue)}.post-card>p{font-size:13px;line-height:1.8;color:var(--muted);margin-top:12px}.archive-title{font-size:42px}.pagination{margin-top:35px}.article-page{padding-top:40px}.back-link{font-size:12px;color:var(--muted)}.article-header{max-width:900px;margin:36px 0}.article-header h1{font-size:clamp(32px,4vw,52px);line-height:1.15;letter-spacing:-1.6px;margin-top:15px}.article-cover{border-radius:15px;overflow:hidden;max-height:560px;margin-bottom:40px}.article-cover img{width:100%;object-fit:cover}.article-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(180px,1fr);gap:65px;align-items:start}.article-body{font-size:16px;line-height:1.9;overflow-wrap:anywhere}.article-body>*{margin-bottom:24px}.article-body h2{font-size:29px;line-height:1.3;letter-spacing:-.8px;margin-top:45px}.article-body h3{font-size:22px;margin-top:30px;line-height:1.4}.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.article-body ul,.article-body ol{padding-left:25px}.article-body li{margin-bottom:8px}.article-body blockquote{border-left:3px solid var(--blue);background:var(--soft);padding:20px 25px;margin-left:0;margin-right:0;border-radius:0 8px 8px 0}.article-body blockquote p:last-child{margin-bottom:0}.article-body code{font-size:.86em;background:var(--soft);padding:3px 6px;border-radius:4px}.article-body pre{position:relative;padding:45px 24px 24px;background:#142033;color:#dce7f8;border-radius:12px;overflow:auto;font:13px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace}.article-body pre code{background:none;padding:0;font-size:inherit}.copy-code{position:absolute;top:10px;right:12px;background:#25364f;color:#bccce4;border:1px solid #3d506e;border-radius:4px;font-size:10px;padding:5px 8px;cursor:pointer}.article-body table{border-collapse:collapse;width:100%;font-size:13px}.article-body td,.article-body th{padding:12px;border:1px solid var(--line);text-align:left}.article-body th{background:var(--soft)}.article-body figure{margin-left:0;margin-right:0}.article-body figcaption{font-size:12px;text-align:center;color:var(--muted);margin-top:8px}.article-body img{border-radius:8px}.article-sidebar{position:sticky;top:30px}.toc{border-left:1px solid var(--line);padding-left:20px}.toc nav{display:flex;flex-direction:column;gap:12px;margin-top:20px}.toc nav a{font-size:12px;line-height:1.5;color:var(--muted)}.toc nav a:hover{color:var(--blue)}.toc-sub{padding-left:12px}.aside-note{font-size:11px;color:var(--muted);line-height:1.8;background:var(--soft);border-radius:8px;padding:17px;margin-top:26px}.article-end{border-top:1px solid var(--line);padding-top:28px;margin-top:55px;display:flex;align-items:center;gap:15px}.article-end strong{font-size:13px}.article-end p{font-size:11px;color:var(--muted);margin-top:5px}.article-end>a{margin-left:auto;font-size:12px;color:var(--blue)}.page-body{max-width:780px}.empty-state{padding-top:80px;padding-bottom:80px}.empty-state p{color:var(--muted);margin:20px 0 30px}.empty-state h1{font-size:44px}.empty-state h2{font-size:30px}
@media(min-width:1450px){.hero{padding-top:84px;padding-bottom:76px}.hero h1{font-size:66px}}@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero{gap:24px}.hero h1{font-size:48px;letter-spacing:-2px}.desktop-break{display:none}.hero-description{font-size:14px}.start-card{grid-template-columns:90px 1fr 210px;padding:26px;gap:24px}.topic-card{padding:20px}.about-card{gap:45px}.article-layout{gap:35px}.tech-strip .container{gap:15px;font-size:11px}}@media(max-width:800px){.container{width:calc(100% - 40px)}.site-header{height:78px}.header-inner{gap:18px}.main-nav{gap:20px;font-size:12px}.brand-caption{font-size:8px;letter-spacing:.5px}.brand{font-size:19px}.brand-mark{height:35px;width:35px;font-size:23px}.hero{grid-template-columns:1fr;padding-top:45px;padding-bottom:40px;gap:35px}.hero h1{font-size:54px}.lab-art{max-width:520px;width:100%;justify-self:center;transform:none}.network-art{max-height:370px}.hero-description{font-size:15px}.tech-strip .container{flex-wrap:wrap;justify-content:center;gap:14px 26px;padding:20px 0}.strip-label{width:100%;text-align:center}.section{padding-top:48px}.section-heading h2{font-size:27px}.section-aside{display:none}.start-card{grid-template-columns:85px 1fr;gap:22px}.start-topics{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:20px 0 0;flex-direction:row;flex-wrap:wrap}.start-topics small{width:100%}.start-copy h3{font-size:22px}.topic-grid{grid-template-columns:repeat(2,1fr)}.topic-card h3{min-height:auto}.topic-card p{min-height:65px}.about-card{grid-template-columns:1fr;gap:26px;padding:30px}.about-card h2{font-size:28px}.post-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.article-sidebar{display:none}.article-header h1{font-size:36px}.footer-inner{gap:24px;align-items:flex-start}.footer-links{flex-wrap:wrap;justify-content:flex-end;gap:15px}.article-end>a{max-width:100px}.site-footer{margin-top:48px}}
@media(max-width:480px){.container{width:calc(100% - 32px)}.header-inner{gap:12px}.brand-caption{display:none}.main-nav{gap:14px;font-size:11px}.brand{gap:8px;font-size:17px}.brand-mark{width:30px;height:30px;border-radius:8px;font-size:21px}.brand-mark span{right:4px;bottom:5px}.theme-toggle{width:32px;height:32px;flex-shrink:0}.theme-toggle svg{width:16px;height:16px}.hero h1{font-size:43px;letter-spacing:-1.8px}.eyebrow{font-size:8px;letter-spacing:1px}.hero-description{font-size:14px}.hero-actions{gap:22px}.button{padding:14px 17px;gap:20px;font-size:12px}.text-link{font-size:12px;gap:10px}.art-top{margin:17px 17px 0;font-size:8px}.art-bottom{margin:0 17px 17px;font-size:8px}.network-art{margin-top:0;margin-bottom:0}.start-card{grid-template-columns:1fr;padding:24px}.start-icon{display:none}.start-copy h3{font-size:24px}.topic-grid{gap:12px}.topic-card{padding:18px 15px}.topic-card h3{font-size:15px}.topic-card p{font-size:11px;min-height:80px}.topic-tag{font-size:8px}.topic-top{margin-bottom:20px}.about-card{padding:25px}.about-card h2{font-size:26px}.footer-inner{flex-direction:column}.footer-links{justify-content:flex-start}.post-grid{grid-template-columns:1fr}.article-header h1{font-size:31px;letter-spacing:-1px}.article-body{font-size:15px}.article-body h2{font-size:25px}.article-end{flex-wrap:wrap}.article-end>a{max-width:none;margin-left:55px}.section-heading h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

.back-to-top{position:fixed;right:24px;bottom:24px;z-index:50;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:12px 16px;background:#2869df;color:#fff;border:1px solid #2869df;border-radius:10px;box-shadow:0 5px 20px #173e8330;font-size:12px;font-weight:650;cursor:pointer}.back-to-top[hidden]{display:none!important}.back-to-top svg{width:18px;height:18px}.back-to-top:hover{background:#1958cc}.site-footer{padding-bottom:88px}@media(max-width:480px){.back-to-top{right:16px;bottom:16px;padding:11px 14px}.site-footer{padding-bottom:82px}}
.footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:16px}.footer-counter{display:block;width:88px;height:31px;opacity:.85}.footer-counter:hover{opacity:1}.footer-counter img{display:block;width:88px;height:31px;border:0}@media(max-width:480px){.footer-right{width:100%;align-items:flex-end}.footer-right .footer-links{justify-content:flex-end}}

.footer-counter{background:transparent;box-shadow:none;opacity:1}.footer-counter img.counter-dark{display:none}html[data-theme=dark] .footer-counter img.counter-light{display:none}html[data-theme=dark] .footer-counter img.counter-dark{display:block}