:root{--bg:#fff;--soft:#f6f7f9;--text:#16181d;--muted:#5d6370;--line:#e6e8ec;--accent:#2f5bea}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-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}
header{border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);font-size:18px}
.logo:hover{text-decoration:none}
.mark{width:26px;height:26px;border-radius:7px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}
.top nav a{color:var(--muted);margin-left:22px;font-size:15px}
.intro{padding:56px 0 24px}
.intro h1{font-size:32px;line-height:1.2;margin:0 0 12px;letter-spacing:-.4px}
.intro p{color:var(--muted);margin:0;font-size:17px}
.posts{list-style:none;margin:0;padding:24px 0 56px}
.posts li{padding:22px 0;border-bottom:1px solid var(--line)}
.posts li:last-child{border-bottom:0}
.posts time{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.posts h2{font-size:20px;margin:0 0 6px;line-height:1.35}
.posts h2 a{color:var(--text)}
.posts p{margin:0;color:var(--muted);font-size:15px}
.tag{display:inline-block;font-size:12px;color:var(--muted);background:var(--soft);border-radius:6px;padding:2px 8px;margin-right:6px}
article{padding:48px 0 56px}
article h1{font-size:30px;line-height:1.25;margin:6px 0 18px;letter-spacing:-.3px}
article h2{font-size:21px;margin:34px 0 10px}
article p,article li{font-size:16.5px}
.meta{font-size:14px;color:var(--muted)}
pre{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:14px;line-height:1.55}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
p code,li code{background:var(--soft);padding:1px 5px;border-radius:5px}
.back{display:inline-block;margin-top:28px}
.reviewer{display:flex;align-items:center;gap:14px;margin-top:32px;padding-top:20px;border-top:1px dashed var(--line)}
.reviewer img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none;box-shadow:0 0 0 3px var(--soft);transition:transform .25s ease}
.reviewer img:hover{transform:scale(1.6) rotate(-4deg)}
.reviewer p{margin:0;font-size:14px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:14px}
@media (max-width:600px){.intro{padding:40px 0 16px}.intro h1{font-size:27px}article h1{font-size:25px}.top nav a{margin-left:16px}}