:root{--accent:#f09228;--link:#1772d0;--text:#222c36;--heading:#2d3748;--muted:#555f6b;--card:#fff;--soft:#f8fafc;--border:#f3e9e0;--radius:12px;--shadow:0 2px 12px #0000000f;--max:900px;color:var(--text);font-family:Titillium Web,Segoe UI,Roboto,Arial,sans-serif}*{box-sizing:border-box}body{background:linear-gradient(120deg,#f8fafc 60%,#f3e9e0 100%) fixed;margin:0;line-height:1.6}#root{flex-direction:column;min-height:100vh;display:flex}main{width:100%;max-width:var(--max);flex:1;margin:0 auto;padding:16px}a{color:var(--link);text-decoration:none}a:hover,a:focus-visible{color:var(--accent)}img{max-width:100%;height:auto}.navbar{z-index:100;background:#fff;position:sticky;top:0;box-shadow:0 2px 8px #0000000a}.navbar-container{max-width:var(--max);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 24px;min-height:56px;margin:0 auto;padding:0 24px;display:flex}.navbar-logo{letter-spacing:2px;color:#000;font-size:20px;font-weight:700}.navbar-links{flex-wrap:wrap;gap:8px 28px;display:flex}.navbar-links a{color:#000;letter-spacing:1px;border-bottom:2px solid #0000;padding:4px 0;font-weight:600;transition:color .2s,border-color .2s}.navbar-links a:hover,.navbar-links a:focus-visible{color:var(--accent);border-bottom-color:var(--accent)}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin:16px 0;padding:24px;scroll-margin-top:72px}.section-title{letter-spacing:1px;color:var(--text);margin:0 0 16px;font-size:22px;font-weight:700}.status{text-align:center;color:var(--muted)}.error-detail{text-align:left;white-space:pre-wrap;background:var(--soft);border-radius:8px;padding:12px;font-size:13px}.about{grid-template-columns:1fr auto;align-items:start;gap:24px;display:grid}.about h1{margin:0;font-size:32px;font-weight:700;line-height:1.2}.about .label{color:var(--muted);margin:4px 0 16px;font-size:18px}.about p{margin:0 0 12px}.portrait-wrap{margin-top:100px}.portrait{object-fit:cover;border-radius:50%;width:220px;height:220px;box-shadow:0 2px 12px #00000014}.links{flex-wrap:wrap;gap:6px 18px;margin-top:12px;font-weight:600;display:flex}.item{border-top:1px solid var(--border);grid-template-columns:96px 1fr;gap:20px;padding:16px 0;display:grid}.item:first-of-type{border-top:0;padding-top:0}.item-logo{object-fit:contain;width:96px;height:96px}.item h3{margin:0;font-size:16px;font-weight:700}.item .meta{color:var(--muted);margin:2px 0 8px;font-size:15px}.item ul{margin:0;padding-left:20px}.item li{margin-bottom:6px}.item.no-logo{grid-template-columns:1fr}.clamped,.clamped p{margin:0 0 8px}.clamped-text{-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.clamped-text p{margin:0}.clamped-toggle{cursor:pointer;font:inherit;color:var(--link);background:0 0;border:0;padding:0;font-weight:600}.clamped-toggle:hover,.clamped-toggle:focus-visible{color:var(--accent)}.post-list{margin:0;padding:0;list-style:none}.post-list li{background:var(--soft);border-radius:8px;margin-bottom:16px;padding:18px 22px;transition:background .2s,box-shadow .2s;box-shadow:0 2px 8px #0000000a}.post-list li:hover{background:#fffbe7;box-shadow:0 4px 16px #f092281a}.post-list a{color:var(--text);font-size:18px;font-weight:700}.post-list a:hover{color:var(--accent)}.post-list p{color:var(--muted);margin:4px 0 0}.post{background:var(--card);border:1px solid var(--border);border-radius:16px;margin:24px 0;padding:40px 32px;font-size:1.08em;line-height:1.8;box-shadow:0 8px 32px #0000001a}.post h1{color:var(--heading);margin:0 0 8px;font-size:2.2rem;font-weight:700;line-height:1.25}.post .post-meta{color:var(--muted);margin:0 0 24px;font-size:.95em}.post h2{color:var(--heading);border-left:4px solid #e2e8f0;margin-top:32px;padding-left:12px;font-size:1.25rem;font-weight:700}.post a{color:#3182ce;border-bottom:1px dotted #3182ce}.post a:hover{color:var(--accent);border-bottom:2px solid var(--accent)}.post .katex-display{margin:16px 0;padding:2px 0;overflow:auto hidden}.post .katex{font-size:1.1em}.post pre{background:var(--soft);border-radius:8px;padding:12px 16px;overflow-x:auto}.back-link{margin-top:32px;display:inline-block}.chart-figure{margin:32px 0}.chart-pair{flex-wrap:wrap;justify-content:center;gap:24px 40px;display:flex}.bar-chart{text-align:center;margin:0}.bar-chart figcaption{margin-bottom:4px;font-size:1.05em;font-weight:700}.bar-chart svg{width:300px;max-width:100%;height:auto}.figure-caption{text-align:center;color:#444;max-width:700px;margin:8px auto 0;font-size:.85em}.figure-label{text-align:center;color:#444;margin:8px 0 0;font-weight:700}.footer{text-align:center;color:var(--muted);padding:24px 16px;font-size:14px}@media (width<=640px){main{padding:8px}.navbar-container{padding:8px 16px}.navbar-links{gap:6px 18px;font-size:15px}.card{padding:18px 16px}.about{grid-template-columns:1fr}.about .portrait-wrap{order:-1;margin-top:0}.portrait{width:140px;height:140px}.about h1{font-size:26px}.item{grid-template-columns:56px 1fr;gap:14px}.item-logo{width:56px;height:56px}.post{border-radius:10px;padding:20px 16px}.post h1{font-size:1.5rem}}