*{margin:0;padding:0;box-sizing:border-box}
:root{--fg:#1a1a1a;--muted:#6b7280;--line:#e5e7eb;--accent:#2563eb;--bg:#ffffff;--soft:#f9fafb}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--fg);background:var(--bg);line-height:1.8}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
header.site{padding:64px 0 32px;border-bottom:1px solid var(--line);margin-bottom:40px}
header.site h1{font-size:32px;letter-spacing:.5px}
header.site h1 a{color:var(--fg);text-decoration:none}
header.site p{color:var(--muted);margin-top:8px;font-size:15px}
.post-item{padding:28px 0;border-bottom:1px solid var(--line)}
.post-item h2{font-size:22px;line-height:1.5;margin-bottom:8px}
.post-item h2 a{color:var(--fg);text-decoration:none}
.post-item h2 a:hover{color:var(--accent)}
.post-item .meta{color:var(--muted);font-size:13px;margin-bottom:10px}
.post-item .excerpt{color:#374151;font-size:15px}
article.post h1{font-size:30px;line-height:1.5;margin:8px 0 12px}
article.post .meta{color:var(--muted);font-size:13px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line)}
article.post h2{font-size:22px;margin:36px 0 16px}
article.post h3{font-size:18px;margin:28px 0 12px}
article.post p{margin:0 0 18px;font-size:16.5px}
article.post ul,article.post ol{margin:0 0 18px 24px;font-size:16.5px}
article.post li{margin-bottom:8px}
article.post blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 18px;margin:0 0 18px;color:#374151;background:var(--soft)}
article.post code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f3f4f6;padding:2px 6px;border-radius:4px;font-size:14.5px}
article.post pre{background:#111827;color:#e5e7eb;padding:18px;border-radius:8px;overflow:auto;margin:0 0 18px}
article.post pre code{background:none;padding:0;color:inherit}
article.post img{max-width:100%;border-radius:8px;margin:8px 0}
article.post hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.back{margin:40px 0 64px}
.back a{color:var(--accent);text-decoration:none;font-size:15px}
footer.site{border-top:1px solid var(--line);margin-top:56px;padding:28px 0 56px;color:var(--muted);font-size:13px}
.empty{color:var(--muted);padding:40px 0;font-size:15px}