:root{--bg:#f3f5f8;--surface:#fff;--surface-2:#f1f3f6;--border:#e3e6ea;--border-strong:#cfd4da;--text:#1a1d24;--muted:#69707b;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#4f46e514;--accent-border:#4f46e547;--violet:#7c3aed;--violet-soft:#7c3aed1a;--good:#16a34a;--good-soft:#16a34a14;--bad:#dc2626;--bad-soft:#dc262614;--warn:#d97706;--ball:#e03131;--shadow-sm:0 1px 2px #1018280d;--shadow-md:0 6px 16px #10182817;--shadow-lg:0 18px 48px #10182829;--radius-lg:16px;--radius-md:12px;--radius-sm:10px;--radius-pill:999px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);background-image:radial-gradient(1100px 500px at 50% -220px, #4f46e512, transparent 65%), linear-gradient(180deg, #fafbfc, var(--bg));color:var(--text);-webkit-font-smoothing:antialiased;background-attachment:fixed;font-family:Segoe UI,PingFang SC,Microsoft 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