:root{--ink:#16202c;--muted:#64748b;--rule:#e6e9ee;--accent:#2E97D4;--bg:#f6f7f9;--card:#fff}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.7;
 font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
 -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
.site-head{border-bottom:1px solid var(--rule);background:var(--card)}
.site-head .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:22px 20px}
.brand{font-weight:800;font-size:1.15rem;letter-spacing:-.01em;color:var(--ink)}
.brand:hover{text-decoration:none}
.site-head nav a{color:var(--muted);font-size:.95rem;margin-left:18px}
main{background:var(--card)}
.post,.home{max-width:760px;margin:0 auto;padding:44px 20px 88px}
.home h1{font-size:1.7rem;margin:.2em 0 .1em}.home .sub{color:var(--muted);margin:0 0 2.2em}
.post-list{list-style:none;margin:0;padding:0}
.post-list li{padding:22px 0;border-bottom:1px solid var(--rule)}
.post-list a.title{font-size:1.25rem;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.post-list time{display:block;color:var(--muted);font-size:.85rem;margin:.2em 0 .5em}
.post-list p{margin:.3em 0 0;color:#475569}
article h1{line-height:1.2;font-size:2rem;letter-spacing:-.02em;margin:.1em 0 .15em}
article .meta{color:var(--muted);font-size:.9rem;margin-bottom:1.8em}
article h2,article h3{line-height:1.25;letter-spacing:-.01em}
article h2{margin-top:2.2em;font-size:1.5rem}article h3{margin-top:1.8em;font-size:1.18rem}
article p,article li{font-size:1.06rem}
article strong{color:#0f1722}
blockquote{margin:1.6em 0;padding:14px 18px;background:#eef6fc;border-left:4px solid var(--accent);
 border-radius:8px;color:#334155;font-size:.98rem}
blockquote p{margin:.3em 0;font-size:1rem}
hr{border:0;border-top:1px solid var(--rule);margin:2.4em 0}
figure{margin:2em 0;text-align:center}
figure svg{display:block;width:100%;height:auto;margin:0 auto;border:1px solid var(--rule);
 border-radius:12px;background:#fff}
figcaption{margin-top:.7em;font-size:.9rem;color:var(--muted)}
code{background:#eef1f5;padding:.12em .42em;border-radius:5px;font-size:.9em}
.back{display:inline-block;margin-bottom:1.4em;color:var(--muted);font-size:.92rem}
.site-foot{border-top:1px solid var(--rule);background:var(--card);color:var(--muted);font-size:.85rem}
.site-foot .wrap{padding:26px 20px}
@media(max-width:560px){article h1{font-size:1.6rem}.post,.home{padding:32px 18px 64px}}