:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;--font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Consolas, "Courier New", monospace;--accent: #c2410c;--accent-soft: #fff1e6;--bg: #fbfaf7;--bg-elev: #ffffff;--text: #1f2328;--text-soft: #57606a;--text-faint: #8b949e;--border: #e6e2da;--border-strong: #d4cfc4;--shadow: 0 1px 3px rgba(30, 27, 22, .06), 0 8px 24px rgba(30, 27, 22, .05);--code-bg: #0d1117;--code-text: #e6edf3;--inline-code-bg: rgba(194, 65, 12, .08);--inline-code-text: #b3410a;--a-summary-bg: #fdf3e7;--a-summary-border: #f3d9bf;color-scheme:light}html[data-theme=dark]{--accent: #fb923c;--accent-soft: #3a2315;--bg: #0f1419;--bg-elev: #161d24;--text: #e6edf3;--text-soft: #a5b2bd;--text-faint: #6e7d8a;--border: #242e37;--border-strong: #33404c;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);--code-bg: #0b0f14;--code-text: #e6edf3;--inline-code-bg: rgba(251, 146, 60, .12);--inline-code-text: #fdba74;--a-summary-bg: #241a10;--a-summary-border: #4a3222;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;background:var(--bg);color:var(--text);transition:background-color .25s ease,color .25s ease;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.container-narrow{max-width:780px}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:18px;letter-spacing:.02em}.brand:hover{text-decoration:none}.brand-logo{width:30px;height:30px;border-radius:8px;display:grid;place-items:center}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{color:var(--text-soft);padding:6px 10px;border-radius:8px;font-size:15px}.main-nav a:hover{color:var(--text);background:var(--bg-elev);text-decoration:none}.main-nav a[aria-current=page]{color:var(--accent);font-weight:600}.header-actions{display:flex;align-items:center;gap:6px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:10px;background:var(--bg-elev);color:var(--text-soft);cursor:pointer;transition:color .15s,border-color .15s}.icon-btn:hover{color:var(--text);border-color:var(--border-strong);text-decoration:none}.site-footer{margin-top:80px;border-top:1px solid var(--border);background:var(--bg-elev)}.footer-inner{padding:40px 20px 28px;display:grid;gap:24px}.footer-top{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px}.footer-brand{font-weight:700;font-size:17px}.footer-desc{color:var(--text-soft);font-size:14px;margin:8px 0 0;max-width:320px}.footer-col h4{margin:0 0 10px;font-size:13px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em}.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.footer-col a{color:var(--text-soft);font-size:14px}.footer-col a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--border);padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;color:var(--text-faint);font-size:13px}.page-main{padding:40px 0 20px;min-height:60vh}.page-title{font-size:clamp(26px,4vw,36px);line-height:1.3;margin:0 0 8px;font-weight:700;letter-spacing:-.01em}.page-lead{color:var(--text-soft);font-size:16px;margin:0 0 32px;max-width:640px}.hero{padding:48px 0 36px}.hero.home-hero{padding-top:16px;padding-bottom:16px}.hero h1{font-size:clamp(30px,5vw,44px);line-height:1.25;margin:0 0 14px;letter-spacing:-.02em}.hero .home-title{font-size:15px;font-weight:700;letter-spacing:.05em;line-height:1.4;margin:0 0 6px;color:var(--text)}.hero .accent{color:var(--accent)}.hero p{color:var(--text-soft);font-size:17px;max-width:620px;margin:0 0 20px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer}.btn:hover{text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.06)}.btn-ghost{background:var(--bg-elev);color:var(--text);border-color:var(--border)}.btn-ghost:hover{border-color:var(--border-strong)}.section{margin-bottom:44px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}.section-head h2{font-size:22px;margin:0}.section-more{font-size:14px;color:var(--text-soft)}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.cat-card{display:block;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--bg-elev);transition:transform .15s,border-color .15s,box-shadow .15s}.cat-card:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow)}.cat-card h3{margin:0 0 6px;font-size:17px}.cat-card p{margin:0;color:var(--text-soft);font-size:13.5px;line-height:1.6}.post-list{display:grid;gap:14px}.post-card{display:grid;grid-template-columns:1fr;gap:14px;padding:18px 2px;border-bottom:1px solid var(--border)}.post-card:first-child{padding-top:0}.post-card .pc-title{margin:0 0 8px;font-size:20px;line-height:1.45}.post-card .pc-title a{color:var(--text)}.post-card .pc-title a:hover{color:var(--accent)}.post-card .pc-desc{margin:0 0 12px;color:var(--text-soft);font-size:15px;line-height:1.7}.post-card .pc-desc a{color:var(--accent)}.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--text-faint);font-size:13px}.post-meta .dot{opacity:.6}.chip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12.5px;background:var(--accent-soft);color:var(--accent);border:1px solid transparent}.chip:hover{text-decoration:none;border-color:currentColor}.chip-plain{background:var(--bg-elev);color:var(--text-soft);border:1px solid var(--border)}.chip-plain:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}.article-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;align-items:start}.article-wrap.with-toc{grid-template-columns:200px minmax(0,1fr)}@media(max-width:860px){.article-wrap,.article-wrap.with-toc{grid-template-columns:minmax(0,1fr)}}.article-toc{position:sticky;top:84px;max-height:calc(100vh - 110px);overflow:auto;font-size:13.5px}.article-toc h4{margin:0 0 8px;font-size:12px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em}.article-toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--border)}.article-toc li{margin:0}.article-toc a{display:block;padding:5px 0 5px 16px;color:var(--text-soft);line-height:1.5}.article-toc a:hover{color:var(--accent);text-decoration:none}.article-toc li.depth-3 a{padding-left:30px;color:var(--text-faint);font-size:12.8px}@media(max-width:860px){.article-toc{display:none}}.article-head{margin-bottom:26px}.article-head h1{font-size:clamp(26px,4.2vw,36px);line-height:1.35;margin:0 0 14px;letter-spacing:-.01em;font-weight:700}.ai-summary{margin:18px 0 26px;padding:14px 16px;border-radius:12px;background:var(--a-summary-bg);border:1px solid var(--a-summary-border);font-size:15px;line-height:1.8}.ai-summary .as-label{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--accent);margin-bottom:6px;letter-spacing:.05em}.ai-summary .as-label svg{width:14px;height:14px}.ai-summary p{margin:0}.prose{font-size:16.5px;line-height:1.9;color:var(--text);overflow-wrap:break-word}.prose h2,.prose h3,.prose h4{line-height:1.5;margin:1.8em 0 .7em;font-weight:700;letter-spacing:-.01em;scroll-margin-top:84px}.prose h2{font-size:24px;padding-bottom:.4em;border-bottom:1px solid var(--border)}.prose h3{font-size:20px}.prose p{margin:0 0 1.15em}.prose a{text-decoration:underline;text-underline-offset:3px}.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.5em}.prose li{margin:.3em 0}.prose li::marker{color:var(--accent)}.prose blockquote{margin:1.4em 0;padding:.6em 1.1em;border-left:3px solid var(--accent);background:var(--bg-elev);border-radius:0 10px 10px 0;color:var(--text-soft)}.prose blockquote p{margin:.4em 0}.prose code{font-family:var(--font-mono);font-size:.86em;background:var(--inline-code-bg);color:var(--inline-code-text);padding:.15em .42em;border-radius:6px}.prose pre{margin:1.4em 0;padding:16px 18px;border-radius:12px;background:var(--code-bg)!important;overflow-x:auto;line-height:1.7}.prose pre code{background:transparent;color:var(--code-text);padding:0;font-size:.86em}.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);padding:8px 12px;text-align:left}.prose th{background:var(--bg-elev);font-weight:600}.prose img{border-radius:12px;margin:1.2em 0}.prose hr{border:none;border-top:1px solid var(--border);margin:2em 0}.post-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:44px;border-top:1px solid var(--border);padding-top:24px}@media(max-width:640px){.post-pager{grid-template-columns:1fr}}.pager-item{padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg-elev)}.pager-item:hover{border-color:var(--border-strong);text-decoration:none}.pager-item .pager-label{font-size:12px;color:var(--text-faint);margin-bottom:4px}.pager-item .pager-title{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}.related-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}.related-list a{display:flex;justify-content:space-between;gap:14px;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg-elev);color:var(--text);font-size:15px}.related-list a:hover{border-color:var(--border-strong);text-decoration:none}.related-list time{color:var(--text-faint);font-size:13px;white-space:nowrap}.search-box{display:flex;gap:10px;margin:8px 0 26px}.search-input{flex:1;padding:12px 16px;font-size:16px;font-family:inherit;border:1px solid var(--border-strong);border-radius:12px;background:var(--bg-elev);color:var(--text)}.search-input:focus{outline:2px solid var(--accent);outline-offset:-1px}.search-count{color:var(--text-soft);font-size:14px;margin-bottom:16px}.archive-year{margin-bottom:30px}.archive-year h2{font-size:20px;margin:0 0 6px;color:var(--accent)}.archive-month{margin:14px 0;color:var(--text-soft);font-size:15px}.archive-list{list-style:none;margin:0;padding:0}.archive-list li{display:flex;align-items:baseline;gap:16px;padding:7px 0;border-bottom:1px dashed var(--border)}.archive-list time{color:var(--text-faint);font-size:13px;min-width:72px}.empty{padding:48px 20px;text-align:center;color:var(--text-soft);border:1px dashed var(--border-strong);border-radius:14px}.notfound{text-align:center;padding:90px 0}.notfound .code{font-size:72px;font-weight:800;color:var(--accent);line-height:1;margin-bottom:12px}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.avatar{border-radius:50%;object-fit:cover}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media(max-width:640px){.main-nav a.nav-label{display:none}}