:root{--primary:#5b5bd6;--primary-dark:#4343b8;--accent:#f59e0b;--background:#f6f7fb;--surface:#fff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--radius:18px;--shadow:0 12px 36px rgba(15,23,42,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:var(--primary);text-decoration:none}a:hover{opacity:.85}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 32px));margin-inline:auto}.topbar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 94%,transparent);border-bottom:1px solid 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