@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');
:root{--bg:#050b14;--panel:rgba(12,25,41,.72);--line:rgba(116,211,255,.18);--text:#eaf8ff;--muted:#8ca4b8;--cyan:#43e4ff;--blue:#5c88ff;--orange:#ffad42}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans SC',system-ui,sans-serif;overflow-x:hidden}.grid-bg{position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 78% 15%,rgba(31,107,165,.22),transparent 28rem),radial-gradient(circle at 12% 45%,rgba(0,219,255,.07),transparent 27rem),linear-gradient(rgba(80,145,180,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(80,145,180,.04) 1px,transparent 1px);background-size:auto,auto,48px 48px,48px 48px}.topbar{height:78px;max-width:1220px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;color:#fff;text-decoration:none;font-size:18px;letter-spacing:1px}.brand 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