:root{--paper: #f2ede3;--paper-2: #e9e2d4;--card: #fbf8f2;--ink: #1f1b16;--ink-2: #554d42;--ink-3: #8a8173;--line: #dcd3c2;--line-2: #c9bfac;--accent: #8c1d18;--accent-soft: #f1dcd6;--teal: #2f5d55;--teal-soft: #dbe7e2;--hl: #f6e7b8;--shadow: 0 1px 2px rgb(60 40 20 / 6%), 0 6px 24px rgb(60 40 20 / 8%);--m-basics: #8c1d18;--m-systems: #2f5d55;--m-scaling: #a8660b;--m-data: #3d4f8f;--m-post: #7b3f78;--m-guest: #6b665c;--serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", Georgia, serif;--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;--read: Charter, "Iowan Old Style", Georgia, "Noto Serif SC", "Songti SC", serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--header-h: 56px;--reading-size: 17px;color-scheme:light}:root[data-theme=dark]{--paper: #15130f;--paper-2: #1c1914;--card: #201d17;--ink: #ece5d8;--ink-2: #bcb2a2;--ink-3: #857c6e;--line: #34302799;--line-2: #4a443a;--accent: #e2726a;--accent-soft: #3c2320;--teal: #7fb8ab;--teal-soft: #1f3330;--hl: #4a3f1c;--shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 30px rgb(0 0 0 / 35%);--m-basics: #e2726a;--m-systems: #7fb8ab;--m-scaling: #e0a34a;--m-data: #8fa2e6;--m-post: #c98ec5;--m-guest: #a9a397;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-padding-top:calc(var(--header-h) + 64px);-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}img{max-width:100%;height:auto;display:block}button{font:inherit;color:inherit;cursor:pointer}kbd{font-family:var(--mono);font-size:11px;padding:1px 5px;border-radius:4px;border:1px solid var(--line-2);border-bottom-width:2px;background:var(--card);color:var(--ink-2)}::selection{background:var(--accent-soft)}.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);display:flex;align-items:center;gap:20px;padding:0 24px;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;white-space:nowrap}.brand b{font-family:var(--mono);letter-spacing:.12em;color:var(--accent);font-size:14px}.brand span{font-family:var(--serif);font-weight:700;font-size:16px}.nav{display:flex;gap:4px}.nav a{text-decoration:none;padding:6px 12px;border-radius:8px;color:var(--ink-2);font-size:14px}.nav a:hover{background:var(--paper-2);color:var(--ink)}.nav a[aria-current=page]{color:var(--accent);font-weight:600}.header-tools{margin-left:auto;display:flex;align-items:center;gap:8px}.search-btn{display:flex;align-items:center;gap:10px;min-width:220px;height:34px;padding:0 10px;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--ink-3);font-size:13px}.search-btn:hover{border-color:var(--line-2);color:var(--ink-2)}.search-btn .grow{flex:1;text-align:left}.icon-btn{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--ink-2)}.icon-btn:hover{background:var(--paper-2);color:var(--ink)}.icon-btn svg{width:18px;height:18px}.read-progress{position:absolute;left:0;bottom:-1px;height:2px;background:var(--accent);width:0;transition:width .15s linear}.site-footer{border-top:1px solid var(--line);margin-top:80px;padding:32px 24px 48px;color:var(--ink-3);font-size:13px;text-align:center}.site-footer a{color:var(--ink-2)}.wrap{max-width:1180px;margin:0 auto;padding:0 24px}.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.chip{display:inline-flex;align-items:center;gap:6px;padding:2px 9px;border-radius:999px;font-size:12px;border:1px solid var(--line);color:var(--ink-2);background:var(--card);white-space:nowrap}.btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:10px;border:1px solid var(--line-2);background:var(--card);text-decoration:none;font-size:14px;font-weight:500}.btn:hover{border-color:var(--ink-3)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}:root[data-theme=dark] .btn.primary{color:#1a0f0e}.btn.primary:hover{filter:brightness(1.08)}.muted{color:var(--ink-3)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.prose{font-family:var(--serif);font-size:17px;line-height:1.9;color:var(--ink)}.prose h2{font-size:26px;margin:2.2em 0 .6em;line-height:1.35}.prose h3{font-size:20px;margin:1.8em 0 .5em;line-height:1.4}.prose p{margin:0 0 1.1em}.prose strong{color:var(--accent);font-weight:700}.prose hr{border:0;height:1px;background:var(--line);margin:2.6em auto;width:40%}.prose a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:3px}.prose ul{padding-left:1.3em}.prose li{margin:.4em 0}.prose code{font-family:var(--mono);font-size:.82em;background:var(--paper-2);padding:1px 6px;border-radius:5px}.prose blockquote{margin:1.4em 0;padding:.2em 1.2em;border-left:3px solid var(--accent);color:var(--ink-2)}.prose table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:14px;line-height:1.6;margin:1em 0 1.6em;display:block;overflow-x:auto}.prose th,.prose td{border-bottom:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}.prose th{color:var(--ink-3);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}.prose tr:hover td{background:color-mix(in srgb,var(--paper-2) 60%,transparent)}.md-fig{margin:1.8em 0}:root[data-theme=dark] .md-fig img,:root[data-theme=dark] .lb-stage img{filter:brightness(.92)}.md-fig img{border-radius:10px;border:1px solid var(--line);box-shadow:var(--shadow);cursor:zoom-in;background:#fff}.lb{position:fixed;inset:0;z-index:200;display:none;flex-direction:column;background:#0e0c09f0;color:#eee6d8}.lb.open{display:flex;animation:fade .18s ease}@keyframes fade{0%{opacity:0}}.lb-top{display:flex;align-items:center;gap:16px;padding:12px 18px;font-size:13px}.lb-top .count{font-family:var(--mono);color:#a99f8e}.lb-top .cap{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-top button,.lb-nav{background:#ffffff14;border:1px solid rgb(255 255 255 / 12%);color:#eee6d8;border-radius:9px;height:34px;padding:0 12px}.lb-top button:hover,.lb-nav:hover{background:#ffffff29}.lb-stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:8px 72px}.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;background:#fff;box-shadow:0 20px 60px #0000007f}.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:64px;font-size:22px;padding:0}.lb-nav.prev{left:14px}.lb-nav.next{right:14px}.lb-strip{display:flex;gap:8px;overflow-x:auto;padding:10px 18px 16px;scrollbar-width:thin}.lb-strip button{flex:0 0 auto;padding:0;border:2px solid transparent;border-radius:6px;background:none;opacity:.55}.lb-strip button.on{border-color:var(--accent);opacity:1}.lb-strip button:hover{opacity:1}.lb-strip img{width:96px;height:54px;object-fit:contain;object-position:top left;border-radius:4px;background:#fff}.sp{position:fixed;inset:0;z-index:150;display:none;background:#14100a66;backdrop-filter:blur(3px)}.sp.open{display:block;animation:fade .12s ease}.sp-box{width:min(720px,calc(100vw - 24px));margin:10vh auto 0;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 30px 80px #0000004d;overflow:hidden;display:flex;flex-direction:column;max-height:76vh}.sp-input{display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--line)}.sp-input svg{width:18px;color:var(--ink-3);flex:none}.sp-input input{flex:1;height:54px;border:0;outline:0;background:transparent;font-size:17px;color:var(--ink);font-family:inherit}.sp-scope{display:flex;gap:6px;padding:8px 16px;border-bottom:1px solid var(--line);font-size:12px;align-items:center}.sp-scope button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:2px 10px;color:var(--ink-2)}.sp-scope button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}.sp-scope .muted{margin-left:auto}.sp-results{overflow-y:auto;padding:6px}.sp-group{font-size:12px;color:var(--ink-3);padding:10px 10px 4px;font-weight:600}.sp-item{display:block;padding:9px 12px;border-radius:9px;text-decoration:none}.sp-item.on{background:var(--paper-2)}.sp-item .t{display:flex;gap:8px;align-items:baseline;font-size:13px;color:var(--ink-2)}.sp-item .t b{color:var(--ink);font-weight:600}.sp-item .t code{font-family:var(--mono);font-size:11px;color:var(--accent)}.sp-item .x{font-family:var(--read);font-size:14px;color:var(--ink-2);margin-top:2px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.sp-item mark{background:var(--hl);color:inherit;border-radius:2px;padding:0 1px}.sp-empty{padding:36px;text-align:center;color:var(--ink-3);font-size:14px}.sp-foot{display:flex;gap:16px;padding:8px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3)}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:300;opacity:0;pointer-events:none;background:var(--ink);color:var(--paper);padding:9px 16px;border-radius:10px;font-size:13px;transition:.2s ease}.toast.show{opacity:1;transform:translate(-50%)}@media(max-width:760px){.site-header{padding:0 14px;gap:10px}.brand span{display:none}.nav a{padding:6px 8px}.search-btn{min-width:0;width:34px;padding:0;justify-content:center}.search-btn .grow,.search-btn kbd{display:none}.wrap{padding:0 16px}.lb-stage{padding:8px}.lb-nav{display:none}}
