:root{--fg:#1c1917;--mut:#78716c;--bg:#f5f3ee;--paper:#ece8df;--ac:#b91c1c;--line:#e7e5e0;--serif:"Source Serif 4","Noto Serif SC","Songti SC","Source Han Serif SC",serif;--sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--fg:#ece5d4;--mut:#a8a29e;--bg:#1c1917;--paper:#262220;--ac:#f87171;--line:#3f3a36}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font:18.5px/1.85 var(--serif);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
::selection{background:rgba(185,28,28,.16)}a{color:var(--ac);text-decoration:none;transition:color .2s}a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:2px}
.w{max-width:760px;margin:0 auto;padding:0 24px}
header{padding:34px 0 26px;margin-bottom:44px;border-bottom:1px solid var(--line)}
header .w{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:26px;letter-spacing:.01em;color:var(--fg)}.brand:hover{text-decoration:none;color:var(--fg)}
.seal{display:inline-grid;place-items:center;width:26px;height:26px;background:var(--ac);color:var(--bg);font-size:15px;font-weight:700;border-radius:4px;transform:rotate(-4deg);font-family:var(--serif)}
.brand small{font:400 12.5px var(--sans);color:var(--mut);letter-spacing:.12em;margin-left:4px}
nav{font-family:var(--sans);font-size:14px;letter-spacing:.04em}nav a{color:var(--mut);margin-left:18px;padding:6px 0;display:inline-block}nav a:first-child{margin-left:0}nav a:hover{color:var(--ac);text-decoration:none}
.meta{font-family:var(--sans);color:var(--mut);font-size:13px;letter-spacing:.03em;line-height:1.7}
.count{margin:0 0 12px}
.post-item{padding:30px 0;border-bottom:1px solid var(--line)}.post-item:last-child{border-bottom:0}
.post-item .date{font-family:var(--sans);font-size:12.5px;color:var(--mut);letter-spacing:.08em;margin-bottom:6px}
.post-item h2{font-size:23px;font-weight:600;margin:0 0 8px;line-height:1.5;letter-spacing:.02em}.post-item h2 a{color:var(--fg)}.post-item h2 a:hover{color:var(--ac);text-decoration:none}
.ex{color:var(--mut);font-size:16px;margin:0 0 10px;line-height:1.8}
.tag{display:inline-block;font-family:var(--sans);font-size:12px;color:var(--mut);background:var(--paper);border-radius:999px;padding:2px 10px;margin:3px 6px 3px 0;letter-spacing:.02em}.tag:hover{color:var(--ac);text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.02em}
article{padding-top:12px}article h1{font-size:2.2rem;line-height:1.45;margin:0 0 14px}article .body{margin-top:40px;overflow-wrap:anywhere}
article .body h2{font-size:1.45rem;margin:2.2em 0 .6em}article .body h3{font-size:1.2rem;margin:1.8em 0 .5em}article .body p{margin:0 0 1.25em}
article img{max-width:100%;height:auto;border-radius:8px;box-shadow:0 4px 18px rgba(28,25,23,.08)}
article blockquote{margin:1.6em 0;padding:.8em 1.3em;border-left:3px solid var(--ac);background:var(--paper);border-radius:0 6px 6px 0;color:var(--fg);opacity:.9}article blockquote p:last-child{margin-bottom:0}
article pre{background:var(--paper);border:1px solid var(--line);padding:16px 18px;border-radius:8px;overflow:auto;font-size:14px;line-height:1.65;white-space:pre-wrap}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em}:not(pre)>code{background:var(--paper);padding:.1em .35em;border-radius:4px}
hr{border:0;text-align:center;margin:2.4em 0}hr::after{content:"· · ·";color:var(--mut);letter-spacing:.5em}
mark{background:rgba(250,204,21,.3);color:inherit}.c-red{color:#dc2626}.c-blue{color:#2563eb}.c-green{color:#16a34a}.c-orange{color:#ea580c}.c-purple{color:#9333ea}.c-gray{color:var(--mut)}
.embed{position:relative;padding-top:56.25%;margin:1em 0}.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:8px}
table{border-collapse:collapse;display:block;overflow:auto;font-size:.92em}td,th{border:1px solid var(--line);padding:6px 10px}
footer{font-family:var(--sans);color:var(--mut);font-size:12.5px;letter-spacing:.04em;padding:36px 0 48px;border-top:1px solid var(--line);margin-top:72px}footer a{color:var(--mut)}
.pager{display:flex;justify-content:space-between;gap:20px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-size:15.5px}.pager a{color:var(--fg)}.pager a:hover{color:var(--ac)}
.tags-cloud{line-height:2.4}.tags-cloud .tag{font-size:13.5px;padding:4px 14px}
main>h1{font-size:2rem;margin:0 0 24px}
@media(max-width:600px){body{font-size:17.5px}.w{padding:0 18px}header{padding:22px 0 18px;margin-bottom:28px}.brand{font-size:22px}nav a{margin-left:14px;padding:8px 0}article h1{font-size:1.7rem}.post-item{padding:24px 0}.post-item h2{font-size:20px}}