*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#faf9f7;--card:#fff;--text:#2b2b2b;--muted:#8a8a8a;--accent:#b3541e;--border:#e8e4de;--code:#f4f1ec}
body{background:var(--bg);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.9;font-size:17px}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}
header.site{padding:72px 0 40px;text-align:center}
header.site h1{font-size:34px;letter-spacing:.14em;font-weight:700}
header.site h1 a{color:var(--text);text-decoration:none}
header.site p{color:var(--muted);margin-top:10px;font-size:15px;letter-spacing:.08em}
article.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px 30px;margin:0 0 22px;transition:transform .15s ease,box-shadow .15s ease}
article.card:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,.06)}
article.card .date{color:var(--muted);font-size:13px;letter-spacing:.06em}
article.card h2{font-size:21px;margin:8px 0 10px;line-height:1.5}
article.card h2 a{color:var(--text);text-decoration:none}
article.card h2 a:hover{color:var(--accent)}
article.card p.excerpt{color:#555;font-size:15px;line-height:1.8}
.tags{margin-top:12px}
.tag{display:inline-block;font-size:12px;color:var(--accent);border:1px solid var(--accent);opacity:.85;border-radius:20px;padding:2px 12px;margin-right:8px}
.post{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:44px 46px;margin-bottom:30px}
.post .date{color:var(--muted);font-size:13px;letter-spacing:.06em}
.post h1{font-size:28px;margin:10px 0 6px;line-height:1.5}
.post h2{font-size:21px;margin:38px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.post h3{font-size:18px;margin:28px 0 10px}
.post p{margin:14px 0}
.post ul,.post ol{margin:14px 0 14px 24px}
.post li{margin:6px 0}
.post code{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--code);padding:2px 7px;border-radius:6px;font-size:.88em}
.post pre{background:var(--code);border-radius:10px;padding:18px;overflow-x:auto;margin:16px 0}
.post pre code{background:none;padding:0}
.post blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 18px;color:#666;margin:18px 0}
.post hr{border:none;border-top:1px solid var(--border);margin:34px 0}
.post em{color:#666}
.back{display:inline-block;margin:26px 0 60px;color:var(--muted);text-decoration:none;font-size:15px}
.back:hover{color:var(--accent)}
footer.site{text-align:center;color:var(--muted);font-size:13px;padding:20px 0 60px;letter-spacing:.06em}
.count{color:var(--muted);font-size:14px;margin:0 0 26px;text-align:center;letter-spacing:.08em}
@media(max-width:640px){.post{padding:28px 24px}header.site{padding:52px 0 30px}}