:root{--color-bg: #ffffff;--color-bg-soft: #fafafa;--color-fg: #2d3748;--color-fg-strong: #111827;--color-muted: #6b7280;--color-accent: #d97706;--color-accent-hover: #b45309;--color-accent-bg: #fef3c7;--color-brand-dark: #0a0a0a;--color-brand-gold: #fbbf24;--color-border: #ececec;--color-card: #f7f7f7;--color-card-shadow: 0 1px 3px rgba(0, 0, 0, .04), 0 4px 14px rgba(0, 0, 0, .04);--color-card-shadow-hover: 0 2px 6px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .08);--max-width: 1200px;--content-width: 760px;--radius: 10px;--radius-card: 14px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace}@media(prefers-color-scheme:dark){:root{--color-bg: #0f1115;--color-bg-soft: #14171c;--color-fg: #cbd5e0;--color-fg-strong: #f7fafc;--color-muted: #8b95a4;--color-accent: #fbbf24;--color-accent-hover: #fcd34d;--color-accent-bg: #3b2706;--color-brand-dark: #f5f5f5;--color-brand-gold: #fbbf24;--color-border: #232733;--color-card: #181b22;--color-card-shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 4px 14px rgba(0, 0, 0, .4);--color-card-shadow-hover: 0 2px 6px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .5)}}*{box-sizing:border-box}html{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-fg);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0}a{color:var(--color-accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-accent-hover)}main{max-width:var(--max-width);margin:0 auto;padding:3rem 1.5rem 5rem}.narrow{max-width:var(--content-width);margin:0 auto}header.site-header{border-bottom:1px solid var(--color-border);padding:1.1rem 1.5rem;background:var(--color-bg);position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(12px);background:color-mix(in 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1.25rem;display:flex;flex-direction:column;gap:.7rem;flex:1}.card .card-tags{display:flex;flex-wrap:wrap;gap:.35rem}.card .card-title{font-size:1.15rem;font-weight:600;color:var(--color-fg-strong);letter-spacing:-.01em;line-height:1.4;margin:0;transition:color .2s cubic-bezier(.4,0,.2,1)}.card:hover .card-title{color:var(--color-accent)}.card .card-desc{color:var(--color-muted);margin:0;font-size:.92rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card .card-foot{margin-top:auto;padding-top:.25rem;display:flex;align-items:center;justify-content:space-between;gap:.5rem}.card .card-date{color:var(--color-muted);font-size:.8rem;font-variant-numeric:tabular-nums}.card .card-arrow{font-size:1.1rem;line-height:1;color:color-mix(in srgb,var(--color-muted) 55%,transparent);transition:transform .3s cubic-bezier(.4,0,.2,1),color .3s cubic-bezier(.4,0,.2,1)}.card:hover .card-arrow{color:var(--color-accent);transform:translate(4px)}.tag{display:inline-block;border-radius:4px;padding:.18rem .55rem;font-size:.75rem;font-weight:600;letter-spacing:.01em;background:var(--tag-bg, var(--color-card));color:var(--tag-fg, var(--color-muted));text-transform:none;line-height:1.5;transition:filter .15s ease}a.tag:hover{filter:brightness(.92);text-decoration:none}.tag-more{display:inline-block;padding:.18rem .55rem;font-size:.75rem;color:var(--color-muted);font-weight:500}.tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0 2rem}article.post{max-width:var(--max-width);margin:0 auto;background:var(--color-bg);border:1px solid var(--color-border);border-radius:1rem;overflow:hidden}article.post .post-cover{width:100%;aspect-ratio:2.8 / 1;max-height:420px;border-radius:0;background-size:cover;background-position:center;margin:0;position:relative;overflow:hidden;background-color:var(--color-card)}article.post .post-body{padding:3rem 4rem}article.post .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.9rem;color:var(--color-muted);margin-bottom:1.5rem}article.post .breadcrumb a{display:inline-flex;align-items:center;gap:.35rem;color:var(--color-muted);text-decoration:none;transition:color .2s ease}article.post .breadcrumb a:hover{color:var(--color-accent)}article.post .breadcrumb svg{flex:none}article.post .breadcrumb .sep{color:color-mix(in srgb,var(--color-muted) 60%,transparent);font-size:.95rem}article.post .breadcrumb .current{color:var(--color-fg-strong);max-width:min(420px,60%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}article.post .meta-item{display:inline-flex;align-items:center;gap:.4rem;font-variant-numeric:tabular-nums}article.post .meta-item svg{flex:none;opacity:.75}article.post .post-cover.fallback{background:radial-gradient(at 20% 25%,color-mix(in srgb,var(--g-from, #2563eb) 70%,white) 0,transparent 55%),radial-gradient(at 80% 75%,color-mix(in srgb,var(--g-to, #7c3aed) 70%,white) 0,transparent 55%),linear-gradient(135deg,var(--g-from, #2563eb),var(--g-to, #7c3aed));filter:saturate(.85)}article.post .post-cover.fallback:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:24px 24px;opacity:.7}article.post .post-cover.fallback .cover-icon{position:absolute;bottom:1.2rem;right:1.4rem;z-index:1;color:#ffffffb3;font-size:.95rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}article.post h1{font-size:3rem;font-weight:600;margin:0 0 .75rem;line-height:1.25;letter-spacing:-.02em}article.post .meta{color:var(--color-muted);font-size:.95rem;margin-bottom:2rem;display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}article.post .meta .tag-cloud{margin:0}article.post h2{margin-top:2.5rem;margin-bottom:1rem;font-size:1.875rem;font-weight:600;line-height:1.3}article.post h3{margin-top:2rem;margin-bottom:.75rem;font-size:1.5rem;font-weight:600;line-height:1.35}article.post p,article.post li{font-size:1.25rem;line-height:1.7}article.post p{margin:1rem 0}article.post :not(pre)>code{font-family:var(--font-mono);background:var(--color-card);padding:.15rem .5rem;border-radius:4px;font-size:.9em;color:var(--color-accent)}article.post .expressive-code{margin:1.5rem 0}article.post table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.93rem;line-height:1.6;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}article.post thead{background:var(--color-card)}article.post th,article.post td{padding:.7rem 1rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--color-border)}article.post th{font-weight:600;color:var(--color-fg-strong);border-bottom:2px solid var(--color-border)}article.post tbody tr:last-child td{border-bottom:none}article.post tbody tr:hover{background:color-mix(in srgb,var(--color-accent-bg) 50%,transparent)}@media(max-width:540px){article.post table{display:block;overflow-x:auto;white-space:nowrap}article.post td,article.post th{white-space:normal}}article.post blockquote{border-left:3px solid var(--color-accent);margin:1.5rem 0;padding:.5rem 1.25rem;color:var(--color-muted);background:var(--color-accent-bg);border-radius:0 var(--radius) var(--radius) 0}article.post blockquote p{margin:.5rem 0}article.post ul,article.post ol{padding-left:1.5rem}article.post li{margin:.35rem 0}article.post hr{border:none;border-top:1px solid var(--color-border);margin:2.5rem 0}.sources-list{padding-left:1.25rem;color:var(--color-muted);font-size:.92rem}.sources-list li{margin:.4rem 0}.sources-list a{word-break:break-all}@media(max-width:900px){article.post .post-body{padding:2.5rem 2rem}article.post h1{font-size:2.4rem}article.post h2{font-size:1.625rem}}@media(max-width:540px){main{padding:2rem 1.1rem 4rem}header.site-header nav{gap:1rem;font-size:.9rem}article.post{border-radius:0;border-left:none;border-right:none;margin-left:-1.1rem;margin-right:-1.1rem}article.post .post-body{padding:1.75rem 1.25rem}article.post h1{font-size:1.85rem}article.post h2{font-size:1.4rem}article.post h3{font-size:1.2rem}article.post p,article.post li{font-size:1rem}.card-grid{grid-template-columns:1fr}}.footnotes{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--color-border);font-size:.9rem;color:var(--color-muted)}.footnotes h2{font-size:1rem;font-weight:600;margin:0 0 .75rem;color:var(--color-fg)}.footnotes ol{margin:0;padding-left:1.5rem}.footnotes li{margin-bottom:.5rem}.footnotes li p{margin:0}.footnotes [data-footnote-backref]{margin-left:.25rem;text-decoration:none}