:root{--bg:#ffffff;--bg2:#f5f7fc;--s1:#ffffff;--s2:#f6f8fd;--line:#e6e9f2;--line-soft:#eef0f7;--ink:#14151c;--dim:#5b6175;--faint:#6f7488;--accent:#4d6bff;--accent-2:#2a3fd0;--accent-wash:rgba(77,107,255,.1);--ease:cubic-bezier(.16,1,.3,1);--maxw:760px;--disp:"Geist",system-ui,sans-serif;--mono:"Geist Mono",ui-monospace,monospace;--shadow-sm:0 8px 24px rgba(30,41,95,.07)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--disp);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}::selection{background:var(--accent);color:#fff}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}nav{max-width:1180px;margin:0 auto;height:68px;padding:0 26px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;font-weight:600;font-size:16px;letter-spacing:-.01em}.brand .mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:9px;background:linear-gradient(150deg,var(--accent),#2a3fd0);color:#fff;font-weight:800;font-size:14px;margin-right:11px;letter-spacing:-.03em;box-shadow:0 6px 18px #4d6bff59}.nav-links{display:flex;gap:26px;align-items:center}.nav-links a{font-size:14px;color:var(--dim);transition:color .2s}.nav-links a:hover,.nav-links a.active{color:var(--ink)}.nav-cta{border:1px solid var(--line);border-radius:9px;padding:9px 16px;color:var(--ink)!important;font-size:13.5px;transition:.2s}.nav-cta:hover{border-color:var(--accent);background:var(--accent-wash)}.nav-li{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:9px;border:1px solid var(--line);color:var(--dim);transition:.2s}.nav-li:hover{border-color:#0a66c2;color:#0a66c2;background:#0a66c20f}.nav-li svg{width:18px;height:18px;fill:currentColor}@media(max-width:620px){.nav-links a:not(.nav-cta):not(.nav-li){display:none}}main{padding:clamp(38px,6vw,72px) 0 40px}.post-tag{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}.post-title{font-weight:800;font-size:clamp(1.9rem,4.4vw,2.9rem);letter-spacing:-.035em;line-height:1.05;text-wrap:balance}.post-meta{margin-top:16px;font-family:var(--mono);font-size:12.5px;color:var(--faint);display:flex;gap:14px;flex-wrap:wrap;align-items:center}.post-body{margin-top:34px;font-size:1.12rem;color:#2a2d3a}.post-body p{margin:0 0 22px;max-width:68ch;text-wrap:pretty}.post-body h2{font-weight:700;font-size:1.4rem;letter-spacing:-.02em;margin:36px 0 14px;color:var(--ink)}.post-body strong{color:var(--ink);font-weight:600}.post-cta{margin-top:40px;padding-top:28px;border-top:1px solid var(--line-soft);display:flex;gap:14px;flex-wrap:wrap;align-items:center}.btn{font-size:14.5px;padding:13px 22px;border-radius:11px;font-weight:500;transition:transform .18s var(--ease),box-shadow .2s,border-color .2s}.btn:active{transform:scale(.97)}.btn-li{background:#0a66c2;color:#fff;display:inline-flex;align-items:center;gap:9px;box-shadow:0 10px 24px #0a66c247}.btn-li:hover{box-shadow:0 16px 30px #0a66c266}.btn-li svg{width:17px;height:17px;fill:#fff}.btn-g{border:1px solid var(--line);color:var(--ink);background:#fff}.btn-g:hover{border-color:var(--accent)}.backlink{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:13px;color:var(--dim);margin-bottom:30px;transition:gap .2s}.backlink:hover{gap:11px;color:var(--accent)}footer{border-top:1px solid var(--line);padding:38px 0;margin-top:60px}.foot{max-width:1180px;margin:0 auto;padding:0 26px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}.foot .mono{font-family:var(--mono);font-size:12px;color:var(--faint)}.foot-links{display:flex;gap:22px}.foot-links a{font-family:var(--mono);font-size:12px;color:var(--dim);transition:color .2s}.foot-links a:hover{color:var(--accent)}