:root{--bg:#0f1115;--bg-soft:#161922;--text:#f4f5f7;--muted:#8b919e;--line:#232833;--accent:#ef2b36;--accent-text:#fff;--radius:12px;--maxw:1060px}:root[data-theme=light]{--bg:#fff;--bg-soft:#f6f7f9;--text:#12141a;--muted:#6b7280;--line:#e6e8ec;--accent:#ef2b36;--accent-text:#fff}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.65;transition:background .25s,color .25s}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}.topbar{z-index:10;background:color-mix(in srgb, var(--bg) 82%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid 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