*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.78;color:#1a1a1a;background:#fdfdfc;font-size:16px}
.wrap{max-width:780px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid #e8e8e5;padding:26px 0;margin-bottom:44px}
header .wrap{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:12px}
.logo{font-size:17px;font-weight:600;letter-spacing:-.01em;color:#111;text-decoration:none}
nav a{color:#666;text-decoration:none;margin-left:22px;font-size:14px}
nav a:hover{color:#111}
nav a.on{color:#111;font-weight:600}
h1{font-size:29px;font-weight:650;letter-spacing:-.02em;margin-bottom:10px;line-height:1.32}
.sub{color:#777;font-size:14.5px;margin-bottom:40px}
h2.sec{font-size:13px;font-weight:600;color:#999;letter-spacing:.06em;text-transform:uppercase;margin:38px 0 16px}
article{padding-bottom:34px;margin-bottom:34px;border-bottom:1px solid #eee}
article:last-child{border-bottom:none}
article h3{font-size:19px;font-weight:600;margin-bottom:8px;letter-spacing:-.01em}
article h3 a{color:#111;text-decoration:none}
article h3 a:hover{color:#0a58ca}
.meta{font-size:13px;color:#999;margin-bottom:12px;font-variant-numeric:tabular-nums}
article p{color:#444;font-size:15px}
article p+p{margin-top:12px}
.tags{margin-top:14px}
.tags span{display:inline-block;font-size:12px;color:#666;background:#f2f2ef;padding:3px 9px;border-radius:4px;margin-right:6px;margin-bottom:4px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;background:#f4f4f1;padding:2px 6px;border-radius:3px;color:#333}
pre{background:#f7f7f4;border:1px solid #ececea;border-radius:6px;padding:14px 16px;overflow-x:auto;margin:14px 0;font-size:13px;line-height:1.6}
pre code{background:none;padding:0;font-size:13px}
.note{border-left:3px solid #d8d8d3;padding:2px 0 2px 14px;color:#666;font-size:14px;margin:14px 0}
.post h2{font-size:20px;font-weight:600;margin:30px 0 10px;letter-spacing:-.01em}
.post ul,.post ol{margin:12px 0 12px 22px;color:#444;font-size:15px}
.post li{margin-bottom:6px}
.post table{border-collapse:collapse;margin:16px 0;font-size:14px;width:100%}
.post th,.post td{border:1px solid #e8e8e5;padding:7px 11px;text-align:left}
.post th{background:#f7f7f4;font-weight:600}
.back{display:inline-block;margin:6px 0 26px;font-size:14px;color:#666;text-decoration:none}
.back:hover{color:#111}
footer{padding:40px 0 60px;color:#aaa;font-size:13px;border-top:1px solid #e8e8e5;margin-top:24px}
.notfound{text-align:center;padding:70px 0}
.notfound h1{font-size:56px;color:#ddd;margin-bottom:14px}
nav{display:flex;align-items:center;flex-wrap:wrap}
nav a{color:#666;text-decoration:none;margin-left:22px;font-size:14px}
nav a:hover{color:#111}
nav a.on{color:#111;font-weight:600}
.dd{position:relative;display:inline-block;margin-left:22px}
.dd>span{color:#666;font-size:14px;cursor:default}
.dd:hover>span{color:#111}
.dd-menu{display:none;position:absolute;right:0;top:100%;background:#fff;border:1px solid #e8e8e5;border-radius:7px;box-shadow:0 4px 16px rgba(0,0,0,.07);padding:7px 0;min-width:186px;z-index:50;margin-top:8px}
.dd:hover .dd-menu{display:block}
.dd-menu a{display:block;margin:0;padding:7px 15px;font-size:13.5px;color:#555;white-space:nowrap}
.dd-menu a:hover{background:#f6f6f3;color:#111}
.dd-menu .sep{height:1px;background:#eee;margin:5px 0}
.dd-menu .lbl{padding:5px 15px 3px;font-size:11px;color:#aaa;letter-spacing:.05em}