:root{--bg: #fcfcfd;--surface: #ffffff;--surface-2: #f5f7f9;--text: #1f2933;--text-soft: #475467;--muted: #8a94a6;--border: #e7eaee;--border-strong: #d4d9e0;--accent: #0d9488;--accent-soft: #d7f0ec;--accent-ink: #0f766e;--radius: 14px;--radius-sm: 9px;--maxw: 760px;--maxw-wide: 1080px;--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-serif: "Noto Serif SC", "Songti SC", Georgia, "Times New Roman", serif;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .04);--shadow: 0 6px 24px rgba(16, 24, 40, .07)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent-ink);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.3;color:var(--text);letter-spacing:.01em}img{max-width:100%;height:auto}::selection{background:var(--accent-soft);color:var(--accent-ink)}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:22px}.container-wide{width:100%;max-width:var(--maxw-wide);margin-inline:auto;padding-inline:22px}.site-header{position:sticky;top:0;z-index:50;background:#fcfcfdd1;backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}.brand{display:flex;flex-direction:column;line-height:1.15}.brand .name{font-family:var(--font-serif);font-weight:700;font-size:1.18rem;color:var(--text)}.brand .sub{font-size:.72rem;color:var(--muted);letter-spacing:.06em}.site-nav{display:flex;gap:4px;flex-wrap:wrap}.site-nav a{color:var(--text-soft);font-size:.95rem;padding:6px 12px;border-radius:999px}.site-nav a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}.site-nav a.active{color:var(--accent-ink);background:var(--accent-soft)}.site-footer{margin-top:80px;border-top:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:.9rem}.site-footer .inner{padding-block:34px;display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center}.site-footer a{color:var(--text-soft)}.section{padding-block:56px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:26px}.section-head h2{font-size:1.6rem;margin:0}.section-head .more{font-size:.9rem;color:var(--muted)}.hero{padding-block:72px 40px}.hero .eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.14em;color:var(--accent-ink);background:var(--accent-soft);padding:4px 12px;border-radius:999px;margin-bottom:18px}.hero h1{font-size:clamp(2.1rem,5vw,3.1rem);margin:0 0 16px}.hero .tagline{font-family:var(--font-serif);font-size:1.25rem;color:var(--accent-ink);margin:0 0 18px}.hero p.lead{font-size:1.08rem;color:var(--text-soft);max-width:60ch;margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--border-strong);text-decoration:none}.card h3{margin:0 0 8px;font-size:1.18rem}.card p{margin:0;color:var(--text-soft);font-size:.95rem}.theme-bar{height:4px;border-radius:999px;margin-bottom:16px;background:var(--accent)}.badge{display:inline-block;font-size:.78rem;padding:2px 10px;border-radius:999px;font-weight:500}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-block;font-size:.82rem;color:var(--text-soft);background:var(--surface-2);border:1px solid var(--border);padding:3px 11px;border-radius:999px;transition:all .15s ease}.chip:hover{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft);text-decoration:none}.post-list{display:flex;flex-direction:column;gap:14px}.post-item{display:block;padding:20px 22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .15s ease,box-shadow .15s ease}.post-item:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm);text-decoration:none}.post-item h3{margin:0 0 6px;font-size:1.22rem}.post-item .desc{color:var(--text-soft);margin:0 0 12px;font-size:.96rem}.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:.85rem;color:var(--muted)}.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--muted)}.prose{margin-top:26px}.prose h2{font-size:1.45rem;margin:38px 0 14px}.prose h3{font-size:1.18rem;margin:28px 0 10px}.prose p{margin:16px 0;color:var(--text-soft)}.prose ul,.prose ol{padding-left:1.4em;color:var(--text-soft)}.prose li{margin:8px 0}.prose blockquote{margin:22px 0;padding:12px 20px;border-left:3px solid var(--accent);background:var(--surface-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-soft)}.prose code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.prose pre{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:var(--radius-sm);overflow-x:auto}.prose pre code{background:none;padding:0}.prose hr{border:none;border-top:1px solid var(--border);margin:36px 0}.article-header{margin-bottom:8px}.article-header h1{font-size:clamp(1.8rem,4vw,2.4rem);margin:0 0 14px}.year-group{margin-bottom:40px}.year-group h2{font-size:1.3rem;color:var(--muted);border-bottom:1px dashed var(--border-strong);padding-bottom:8px;margin-bottom:16px}@media(max-width:640px){body{font-size:16px}.hero{padding-block:48px 28px}.section{padding-block:40px}.site-nav a{padding:6px 9px;font-size:.9rem}}@font-face{font-family:Noto Sans SC;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/noto-sans-sc-chinese-simplified-400-normal.Ba7eOkfT.woff2) format("woff2"),url(/_astro/noto-sans-sc-chinese-simplified-400-normal.CN8EQoOj.woff) format("woff")}@font-face{font-family:Noto Sans SC;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/noto-sans-sc-chinese-simplified-500-normal.z_irmif2.woff2) format("woff2"),url(/_astro/noto-sans-sc-chinese-simplified-500-normal.CtDGG6sn.woff) format("woff")}@font-face{font-family:Noto Sans 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