:root{--bg: #f4f6f5;--bg-alt: #ecefed;--surface: #ffffff;--surface-strong: #172026;--ink: #172026;--ink-soft: #4d5a60;--muted: #738087;--line: #d5dbd8;--line-strong: #aeb8b3;--accent: #b84f2a;--accent-dark: #873819;--green: #2f5b47;--steel: #31576a;--radius: 8px;--shadow: 0 10px 24px rgba(23, 32, 38, .08)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:var(--steel);text-decoration-thickness:1.5px;text-underline-offset:3px}a:hover{color:var(--accent-dark)}h1,h2,h3{font-family:Georgia,Times New Roman,serif;line-height:1.12;margin-top:0;color:var(--surface-strong);font-weight:700}h1{font-size:3.25rem;max-width:16ch;margin-bottom:1rem}h2{font-size:1.85rem;margin-bottom:.7rem}h3{font-size:1.18rem;margin-bottom:.45rem}p,ul,ol{margin-top:0}ul,ol{padding-left:1.2rem}li+li{margin-top:.28rem}.shell{width:min(1120px,calc(100vw - 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h2{color:#fff;font-size:1.15rem}.site-footer p{color:#d9e2de}.site-footer a{color:#e7f3ef}.site-footer .button--solid{background:#e1f0ea;color:var(--surface-strong)}.site-footer .button--solid:hover{background:#fff;color:var(--surface-strong)}.footer-grid{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.site-footer .inline-list li{background:#ffffff0f;border-color:#fff3}.note{font-size:.86rem;color:#c6d3cf}.topic-image{margin:clamp(1.1rem,2.5vw,2rem) auto 0;border-radius:var(--radius);overflow:clip;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow)}.topic-image img{width:100%;aspect-ratio:16 / 8;object-fit:cover;display:block}.topic-image figcaption{margin:0;padding:.62rem .75rem;font-size:.86rem;color:var(--ink-soft);background:#fff;border-top:1px solid var(--line)}.image-grid{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.image-grid 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