:root{--background:#fafbfc;--foreground:#151b26;--accent:#0b63ce;--accent-soft:#eaf2ff;--muted:#475467;--border:#e4e7ec;--font:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;--mono:"SFMono-Regular","Cascadia Code","Roboto Mono","Liberation Mono",Menlo,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);min-height:100vh;color:var(--foreground);font-family:var(--font);margin:0}::selection{background:var(--accent);color:#fff}.shell{width:min(768px,100% - 32px);margin:0 auto}.site-header{border-bottom:1px solid var(--border);align-items:center;min-height:82px;display:flex}.wordmark{color:var(--foreground);font:600 23px/1 var(--mono);letter-spacing:-.09em;text-decoration:none}nav{gap:22px;margin-left:auto;margin-right:18px;display:flex}nav a{color:var(--muted);font-size:15px;text-decoration:none}nav a:hover,nav a.active{color:var(--foreground);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:6px;text-decoration-thickness:2px}.language-switch{color:var(--accent);font:500 12px var(--mono);margin-right:16px;text-decoration:none}.language-switch:hover{text-underline-offset:4px;text-decoration:underline}.theme-button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:18px}.theme-button:hover{color:var(--accent)}.hero{border-bottom:1px solid var(--border);align-items:center;gap:18px;padding:21px 0 20px;display:flex}.avatar{object-fit:cover;background:var(--accent-soft);border:1px solid var(--border);border-radius:50%;flex:0 0 64px;width:64px;height:64px}.hero-copy{flex:1;min-width:0}.hero h1{letter-spacing:-.05em;white-space:nowrap;align-items:center;gap:9px;margin:0 0 8px;font-size:27px;font-weight:700;line-height:1.16;display:flex}.rss-link{color:#f97316;flex:none;width:24px;height:24px;text-decoration:none;transition:color .15s,transform .15s;display:inline-flex}.rss-link svg{stroke:currentColor;stroke-width:2.2px;stroke-linecap:round;width:100%;height:100%;overflow:visible}.rss-link circle{fill:currentColor;stroke:none}.rss-link:hover{color:#ea580c;transform:translateY(-1px)}.rss-link:focus-visible{outline-offset:3px;border-radius:2px;outline:2px solid}.hero-summary{justify-content:space-between;align-items:center;gap:18px;display:flex}.hero p{color:#344054;white-space:nowrap;flex:0 auto;max-width:none;margin:0;font-size:13px;font-weight:500;line-height:1.5}.social-links{flex:none;gap:14px;margin:0;display:flex}.social-links a{width:22px;height:22px;color:var(--muted);text-decoration:none;transition:color .15s,transform .15s;display:inline-flex}.social-links svg{stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:100%;height:100%}.social-links a:hover{color:var(--accent);transform:translateY(-1px)}.social-links a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}.latest-section{padding:30px 0 36px}.section-label{color:var(--foreground);padding-bottom:16px;font-size:21px;font-weight:700}.post-list{border-top:1px solid var(--border)}.post-row{border-bottom:1px solid var(--border);padding:24px 0}.post-meta{color:var(--muted);font:500 12px/1.5 var(--mono);margin-bottom:8px}.post-row h3,.post-row h2{letter-spacing:-.035em;margin:0 0 7px;font-size:22px;font-weight:700;line-height:1.3}.post-row h3 a,.post-row h2 a{color:var(--foreground);text-decoration:none}.post-row h3 a:hover,.post-row h2 a:hover{color:var(--accent)}.post-row p{color:var(--muted);margin:0;font-size:16px;font-weight:500;line-height:1.6}.text-link{color:var(--accent);font:500 13px var(--mono);margin-top:26px;text-decoration:none;display:inline-block}.text-link:hover{text-underline-offset:5px;text-decoration:underline}.text-link span{margin-left:4px}footer{border-top:1px solid var(--border);color:var(--muted);justify-content:space-between;align-items:center;gap:18px;padding:24px 0 32px;display:flex}footer p{font:500 12px/1.5 var(--mono);letter-spacing:.01em;margin:0}.footer-socials{align-items:center;gap:14px;display:flex}.footer-socials a{width:22px;height:22px;color:var(--muted);text-decoration:none;display:inline-flex}.footer-socials svg{stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:100%;height:100%}.footer-socials a:hover{color:var(--accent)}.footer-socials a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}.archive-head{border-bottom:1px solid var(--border);padding:58px 0 29px}.archive-head h1,.essay h1{letter-spacing:-.055em;margin:0 0 11px;font-size:39px;font-weight:700}.archive-head p{color:var(--muted);margin:0}.archive-list{padding:21px 0 42px}.archive-list .post-row:first-child{border-top:1px solid var(--border)}.essay{max-width:680px;margin:auto;padding:48px 0 72px}.back-link{color:var(--muted);font:13px var(--mono);margin-bottom:42px;text-decoration:none;display:inline-block}.back-link:hover{color:var(--accent)}.essay>.post-meta{margin:0 0 14px}.essay .dek{color:var(--muted);margin:0;font-size:18px;line-height:1.6}.essay-rule{border-top:1px solid var(--border);margin:35px 0}.prose{color:#344054;font-size:18px;line-height:1.8}.prose p{margin:0 0 1.4em}.article-visual{width:calc(100% + 112px);margin:42px -56px 46px}.article-visual img{border:1px solid var(--border);background:var(--accent-soft);border-radius:8px;width:100%;height:auto;display:block}.article-visual figcaption{color:var(--muted);text-align:center;margin-top:10px;font-size:13px;line-height:1.55}.essay-end{color:var(--muted);font:13px var(--mono);margin-top:52px}.about{padding-top:70px}.about h1{max-width:640px;line-height:1.14}.start-section{border-bottom:1px solid var(--border);padding:30px 0 32px}.section-heading{margin-bottom:16px}.section-heading h2{letter-spacing:-.035em;margin:0;font-size:21px}.start-grid{border-top:1px solid var(--border);border-bottom:1px solid var(--border);grid-template-columns:repeat(3,1fr);display:grid}.start-grid a{min-width:0;color:var(--foreground);padding:16px 16px 18px 0;text-decoration:none}.start-grid a+a{border-left:1px solid var(--border);padding-left:16px}.start-grid h3{letter-spacing:-.02em;margin:0;font-size:15px;line-height:1.45}.start-grid a:hover h3{color:var(--accent)}.editorial-focus{padding:30px 0 2px}.focus-tags{flex-wrap:wrap;gap:8px;display:flex}.focus-tags span{border:1px solid var(--border);color:var(--muted);font:500 11px/1.2 var(--mono);border-radius:999px;padding:7px 10px}.focus-list,.project-list{border-top:1px solid var(--border)}.focus-list article,.project-list article{border-bottom:1px solid var(--border);padding:23px 0}.focus-list h2{margin:0 0 6px}.project-list h2{margin:7px 0 6px}.focus-list h2,.project-list h2,.uses-list h2{letter-spacing:-.035em;font-size:20px}.focus-list p,.project-list p,.uses-list p{color:var(--muted);margin:0;font-size:15px;line-height:1.7}.page-note{color:var(--muted);font:11px/1.6 var(--mono);margin:32px 0 0}.project-meta{color:var(--muted);font:500 10px/1.45 var(--mono);letter-spacing:.03em}.project-list a{color:var(--accent);font:500 12px var(--mono);margin-top:12px;text-decoration:none;display:inline-block}.project-list a:hover{text-underline-offset:4px;text-decoration:underline}.uses-list{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;display:grid}.uses-list section{border-bottom:1px solid var(--border);padding:22px 22px 24px 0}.uses-list section:nth-child(2n){border-left:1px solid var(--border);padding-left:22px;padding-right:0}.uses-list h2{margin:0 0 6px}.uses-list strong{color:var(--foreground)}.series-reading{border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-top:42px;padding:24px 0}.series-reading h2{letter-spacing:-.035em;margin:0 0 12px;font-size:20px}.series-reading ol{color:var(--muted);margin:0;padding-left:20px}.series-reading li+li{margin-top:7px}.series-reading a{color:var(--foreground);text-decoration-color:var(--border);text-underline-offset:3px;font-size:14px;line-height:1.5}.series-reading a:hover{color:var(--accent)}.post-navigation{background:var(--border);border:1px solid var(--border);grid-template-columns:1fr 1fr;gap:1px;margin-top:32px;display:grid}.post-navigation>a,.post-navigation>span{background:var(--background);min-height:112px;padding:18px;text-decoration:none}.post-navigation a:last-child{text-align:right}.post-navigation span{color:var(--accent);font:500 10px var(--mono);letter-spacing:.05em;margin-bottom:8px;display:block}.post-navigation strong{color:var(--foreground);font-size:14px;line-height:1.5;display:block}.post-navigation a:hover strong{color:var(--accent)}.author-card{border:1px solid var(--border);grid-template-columns:58px 1fr;gap:17px;margin-top:32px;padding:22px;display:grid}.author-card>img{border:1px solid var(--border);object-fit:cover;border-radius:50%;width:58px;height:58px}.author-card h2{margin:0 0 5px;font-size:18px}.author-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.author-card div div{gap:13px;margin-top:10px;display:flex}.author-card a{color:var(--foreground);font:500 11px var(--mono);text-decoration:none}.author-card a:hover{color:var(--accent)}.night{--background:#101828;--foreground:#f9fafb;--accent:#84adff;--accent-soft:#1d365f;--muted:#98a2b3;--border:#344054}.night .hero p,.night .prose{color:#d0d5dd}.article-sources{border-left:2px solid var(--accent);background:color-mix(in srgb,var(--accent) 4%,transparent);color:var(--muted);margin:40px 0 0;padding:18px 20px;font-size:14px;line-height:1.65}.article-sources p{color:var(--foreground);font:500 12px var(--mono);margin:0 0 8px}.article-sources ol{margin:0;padding-left:20px}.article-sources a{color:var(--muted);text-decoration-color:color-mix(in srgb,var(--muted) 45%,transparent);text-underline-offset:3px}.article-sources a:hover{color:var(--accent)}.prose .key-phrase{color:var(--foreground);background:linear-gradient(transparent 58%,color-mix(in srgb,var(--accent) 22%,transparent) 58%);padding:0 .13em .05em;font-weight:700;text-decoration:none}@media (width<=560px){.shell{width:calc(100% - 30px)}.site-header{min-height:67px}.wordmark{font-size:20px}nav{gap:11px;margin-right:11px}nav a{font-size:13px}.language-switch{margin-right:11px}.hero{align-items:flex-start;gap:12px;padding:19px 0 18px}.avatar{flex-basis:50px;width:50px;height:50px;margin-top:1px;font-size:14px}.hero h1{white-space:normal;gap:7px;margin-bottom:6px;font-size:21px}.rss-link{width:20px;height:20px}.hero-summary{flex-direction:column;align-items:flex-start;gap:8px}.hero p{white-space:normal;font-size:12px}.social-links{gap:12px}.social-links a{width:20px;height:20px}.start-section{padding:24px 0}.start-grid{grid-template-columns:1fr}.start-grid a{padding:14px 0}.start-grid a+a{border-top:1px solid var(--border);border-left:0;padding-left:0}.latest-section{padding-top:24px}.section-label{font-size:20px}.post-row{padding:19px 0}.post-row h3,.post-row h2{font-size:19px}.post-row p{font-size:14px}footer{gap:14px;padding-bottom:26px}footer p{font-size:11px}.footer-status{display:none}.footer-socials{gap:12px}.footer-socials a{width:20px;height:20px}.archive-head h1,.essay h1{font-size:33px}.prose{font-size:17px}.uses-list{grid-template-columns:1fr}.uses-list section,.uses-list section:nth-child(2n){border-left:0;padding:18px 0}.post-navigation{grid-template-columns:1fr}.post-navigation>a,.post-navigation>span{min-height:0}.post-navigation>span:empty{display:none}.post-navigation a:last-child{text-align:left}.author-card{grid-template-columns:46px 1fr;padding:17px}.author-card>img{width:46px;height:46px}.article-visual{width:100%;margin:32px 0 36px}.article-visual figcaption{font-size:12px}}
