:root{--bg:#f4f7fb;--surface:#ffffff;--surface-2:#f8fafd;--surface-3:#f2f6fc;--ink:#0b1220;--ink-2:#25324a;--muted:#667085;--muted-2:#98a2b3;--line:#e6ebf2;--line-strong:#d6dfeb;--primary:#1768ff;--primary-2:#0d59e8;--primary-soft:#edf4ff;--success:#12a866;--success-soft:#eaf8f1;--danger:#ef4b45;--danger-soft:#fff1f0;--warning:#ed8b0b;--warning-soft:#fff6e9;--radius:18px;--radius-sm:12px;--shadow:0 12px 36px rgba(22,34,56,.06),0 1px 2px rgba(22,34,56,.025);--shadow-hover:0 16px 44px rgba(22,34,56,.09),0 2px 4px rgba(22,34,56,.035);--shadow-float:0 28px 80px rgba(17,27,45,.2),0 8px 26px rgba(17,27,45,.1);--max:1220px}*{box-sizing:border-box}html{min-width:0;background:var(--bg);color-scheme:light;scroll-behavior:smooth}body{margin:0;min-width:0;background:linear-gradient(180deg,#f8fafc 0,#f4f7fb 360px 100%);color:var(--ink);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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