:root{color-scheme:light;--ink:#102b55;--muted:#607087;--green:#2d7b5b;--line:#dce6e3;--paper:rgba(255,255,255,.68)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(145deg,#f1f9ff,#fcfdf9 48%,#edf7f0);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",sans-serif;line-height:1.75}main,footer{width:min(760px,calc(100% - 40px));margin-inline:auto}main{padding:52px 0 44px}.breadcrumb{color:var(--muted);font-size:.875rem;line-height:1.65}.knowledge-id{margin:30px 0 6px;color:var(--green);font-weight:800;letter-spacing:.08em}h1{max-width:720px;margin:0;font-size:clamp(2rem,8vw,3.25rem);line-height:1.22;letter-spacing:-.025em;overflow-wrap:anywhere;text-wrap:balance}h2{margin:38px 0 12px;font-size:1.25rem}.summary{padding:20px 22px;border:1px solid rgba(45,123,91,.14);border-left:3px solid rgba(45,123,91,.55);border-radius:4px 14px 14px 4px;background:var(--paper);font-size:1.125rem;line-height:1.9;overflow-wrap:anywhere}.math-inline{display:inline-block;max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:-.22em;line-height:1.35;scrollbar-width:thin}.math-display{max-width:100%;margin:.65rem 0;overflow-x:auto;overflow-y:hidden;padding:.25rem 0;scrollbar-width:thin}.math-display .katex-display{margin:0;text-align:left}.summary .katex{font-size:1.04em}.knowledge-image{margin:30px 0 0}.knowledge-image img{display:block;width:100%;height:auto;object-fit:contain;border-radius:16px;background:#fff;box-shadow:0 18px 50px rgba(16,43,85,.08)}.related-list{display:grid;gap:10px;padding:0;list-style:none}.related-list a{display:flex;align-items:baseline;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);text-decoration:none;transition:border-color .15s ease,background-color .15s ease}.related-list a:hover{border-color:rgba(45,123,91,.38);background:#fff}.related-list span{flex:0 0 auto;color:var(--green);font-weight:800;font-variant-numeric:tabular-nums}footer{border-top:1px solid var(--line);padding:28px 0 48px;color:var(--muted);font-size:.875rem}.tagline{margin-top:4px}@media(max-width:480px){main,footer{width:min(100% - 28px,760px)}main{padding-top:34px}.knowledge-id{margin-top:24px}h1{font-size:clamp(1.85rem,9vw,2.5rem)}.summary{padding:17px 16px;font-size:1.0625rem}.related-list a{padding:13px 14px}}