:root{--paper:#f4f2ec;--surface:#fffdf8;--surface-deep:#faf8f2;--ink:#252e3a;--ink-soft:#5c6672;--ink-faint:#93999f;--navy:#1a2b4a;--navy-deep:#12203a;--navy-soft:#2d4470;--copper:#b45309;--copper-deep:#92400e;--copper-wash:#f7ecdc;--line:#e5e1d5;--line-soft:#edeae0;--wash:#f7f5ee;--wash-active:#f2edde;--ok:#2f7a4d;--ok-bg:#e5f2ea;--ok-line:#c6e0d0;--warn:#8f5f0a;--warn-bg:#f8efd8;--warn-line:#e9d6a6;--danger:#b3362b;--danger-bg:#fbeae7;--danger-line:#eec9c3;--info:#1e5a8a;--info-bg:#e6eef5;--info-line:#c6d9e8;--serif:Georgia, "Palatino Linotype", "Microsoft YaHei", "PingFang SC", serif;--sans:"Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;--shadow-1:0 1px 3px #1a2b4a0f;--shadow-2:0 12px 36px #1a2b4a1a}*{box-sizing:border-box}html{scrollbar-gutter:stable}body{font-family:var(--sans);color:var(--ink);background-color:var(--paper);-webkit-font-smoothing:antialiased;background-image:radial-gradient(#1a2b4a0b 1px,#0000 1px);background-size:22px 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