:root{--bg:#e8edf5;--surface:#ffffffb8;--solid:#fff;--text:#1a2230;--muted:#687386;--line:#ffffffed;--accent:#2563eb;--shadow:0 8px 32px #14233a0a;--field:#ffffffb8;color-scheme:light}html[data-theme=dark]{--bg:#0c111b;--surface:#182130bb;--solid:#192333;--text:#e6edf7;--muted:#96a5bb;--line:#ffffff16;--accent:#79a6ff;--shadow:0 8px 32px #0002;--field:#111c2d;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:radial-gradient(ellipse at 0 0,#3b82f625,transparent 45%),radial-gradient(ellipse at 100% 0,#a78bfa20,transparent 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