:root{color-scheme:light dark;--bg: #f7f9fb;--surface: #ffffff;--grid: #e4e9f0;--ink: #1b2330;--ink-soft: #3d4757;--muted: #5c6677;--line: #c0c9d4;--divider: #dce2e9;--action: #1f4d8a;--action-soft: #e3ebf5;--on-action: #ffffff;--danger: #c0262d;--avatar-bg: transparent;--green: #2fbf71;--red: #e5484d;--pink: #ff7eb6;--night: #16203a;--font: "Noto Sans TC", "PingFang TC", "Heiti TC", "Microsoft JhengHei", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0f1722;--surface: #152131;--grid: #172435;--ink: #e3e9f1;--ink-soft: #bfcad8;--muted: #91a0b3;--line: #34475f;--divider: #22324a;--action: #8fb8ee;--action-soft: #1b3150;--on-action: #0f1722;--danger: #ff9c93;--avatar-bg: #dfe6ef}}*{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:var(--font);color:var(--ink);background-color:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;animation:grid-flow 40s 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