:root{--bg:#070a0f;--panel:#0e141d;--line:#243141;--text:#f5f7fa;--muted:#9aa8b8;--green:#62f5ae;--orange:#ff8a3d;--cyan:#65d9ff;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;line-height:1.6}.grid{position:fixed;inset:0;pointer-events:none;opacity:.12;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 75%)}a{color:inherit}.topbar{height:72px;max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-weight:800;letter-spacing:.02em}.brand 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