:root{--bg: #f4f6fb;--surface: #ffffff;--surface-2: #f9fafb;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--accent: #2563eb;--accent-strong: #1d4ed8;--shadow: 0 8px 24px rgba(15, 23, 42, .06);--radius: 14px;--radius-sm: 10px}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;background:radial-gradient(circle at 10% 20%,rgba(37,99,235,.04),transparent 25%),radial-gradient(circle at 80% 0%,rgba(16,185,129,.03),transparent 22%),var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-strong)}h1,h2,h3{margin:0 0 12px;letter-spacing:-.01em}p{margin:0 0 12px}ul{padding-left:18px;margin:6px 0 12px}img{max-width:100%;height:auto;border-radius:var(--radius-sm)}.content{display:flex;flex-direction:column;gap:18px}.container{max-width:1080px;margin:28px auto;padding:0 18px 36px}.content-hero{display:grid;grid-template-columns:1.1fr 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