:root{--bg: #0c0c0e;--bg-card: #141416;--bg-input: #1e1e21;--border: #38383f;--border-lo: #222226;--text: #f0f0f2;--text-dim: #909099;--accent: #4f8ef7;--accent-hv: #3b7ef6;--accent-bg: rgba(79,142,247,.11);--danger: #f87171;--radius: 8px;--radius-lg: 14px;--shadow: 0 1px 3px rgba(0,0,0,.5), 0 4px 16px rgba(0,0,0,.35);color-scheme:light dark;font-family:Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif;font-size:15px;line-height:1.6}@media(prefers-color-scheme:light){:root{--bg: #f6f6f8;--bg-card: #ffffff;--bg-input: #f0f0f3;--border: #d0d0d8;--border-lo: #e4e4ea;--text: #111114;--text-dim: #6b6b78;--accent: #2563eb;--accent-hv: #1d4ed8;--accent-bg: rgba(37,99,235,.08);--danger: #dc2626;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px 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