:root{--bg: #f5f3ef;--card: #ffffff;--text: #10131c;--muted: #5c6472;--primary: #1f4bff;--primary-700: #1738c7;--accent: #0f172a;--border: #e6e3dc;--line: rgba(16, 19, 28, .08);--shadow: 0 18px 40px rgba(17, 24, 39, .08)}*{box-sizing:border-box}body{margin:0;font-family:General Sans,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:radial-gradient(1000px 600px at 15% -10%,#eef1ff 0%,transparent 55%),var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}a:hover{color:var(--primary)}.container{max-width:1120px;margin:0 auto;padding:0 24px}.section{padding:96px 0}.section-divider{border-top:1px solid var(--line)}.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.badge{display:inline-flex;gap:8px;align-items:center;background:#1f4bff1f;border:1px solid rgba(31,75,255,.35);color:#1738c7;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:14px;border:1px solid transparent;background:var(--primary);color:#fff;font-weight:600;transition:all .2s ease;box-shadow:0 10px 20px #1f4bff40}.btn:hover{background:var(--primary-700);transform:translateY(-1px)}.btn.secondary{background:transparent;border-color:var(--border);color:var(--text);box-shadow:none}.btn.secondary:hover{border-color:var(--primary);color:var(--primary)}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.muted{color:var(--muted)}.nav{display:flex;align-items:center;justify-content:space-between;padding:26px 0 6px}.nav-links{display:flex;gap:22px;font-size:14px;color:var(--muted)}.hero{background:linear-gradient(140deg,#fff,#f2f5ff);border:1px solid var(--border);border-radius:28px;padding:58px;box-shadow:var(--shadow)}.hero-grid{display:grid;grid-template-columns:minmax(280px,1.2fr) minmax(260px,.8fr);gap:36px;align-items:center}.hero-title{font-family:Fraunces,serif;font-size:48px;line-height:1.05;margin:14px 0 12px;letter-spacing:-.3px}.hero-sub{font-size:18px;max-width:720px}.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#eff2ff;border:1px solid #d7defa;font-size:12px;color:#1b34a6;font-weight:600}.model-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:#fffdf9;font-weight:600;font-size:14px}.stat{display:grid;gap:10px;padding:18px;border-radius:16px;border:1px solid var(--border);background:#fff}.kicker{text-transform:uppercase;letter-spacing:1.2px;font-size:11px;color:var(--muted);font-weight:600}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:24px;align-items:start;margin-bottom:80px}.article{background:#fffdf9;border:1px solid var(--border);border-radius:26px;padding:40px;box-shadow:var(--shadow)}.toc{position:sticky;top:110px;background:#fffdf9;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow);font-size:13px;color:var(--muted)}.toc h4{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:1px}.toc a{display:block;padding:6px 0;color:var(--muted);text-decoration:none}.toc a:hover{color:var(--primary)}.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--primary);z-index:9999}.article h1{font-family:Fraunces,serif;font-size:42px;line-height:1.1;margin-top:0}.article h2{margin-top:36px;font-size:26px}.article h3{margin-top:26px;font-size:20px}.article p{line-height:1.8;font-size:17px}.article ul,.article ol{padding-left:22px;line-height:1.7}.article img{width:100%;border-radius:18px;margin:18px 0 28px;display:block}.article table{width:100%;border-collapse:collapse;margin:18px 0 8px;font-size:15px}.article th,.article td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}.article thead th{font-weight:600;color:var(--text);border-bottom:1px solid var(--border)}.article blockquote{border-left:4px solid var(--primary);padding:6px 16px;margin:18px 0;color:var(--muted);background:#f5f6ff;border-radius:12px}.article hr{border:none;border-top:1px solid var(--line);margin:28px 0}.article a{color:var(--primary);text-decoration:underline;text-underline-offset:4px}.footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:14px;color:var(--muted)}@media(max-width:980px){.article-layout{grid-template-columns:1fr}.toc{display:none}}@media(max-width:720px){.article{padding:26px}.article h1{font-size:32px}}@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}@media(max-width:720px){.hero{padding:32px}.hero-title{font-size:34px}.nav{flex-direction:column;gap:12px;align-items:flex-start}}