:root{color-scheme:light;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;color:#1f2937;background:#f5f7fb;font-synthesis:none;--canvas: #f5f7fb;--panel: #ffffff;--panel-muted: #f7f8fc;--ink: #172033;--body: #59657a;--quiet: #8a94a8;--line: #e5e9f2;--line-strong: #d9dfeb;--brand: #2563eb;--brand-deep: #1e40af;--brand-pale: #eff6ff;--shadow: 0 14px 36px rgba(37, 54, 85, .08)}:root[data-theme=dark]{color-scheme:dark;color:#e9edf5;background:#111827;--canvas: #111827;--panel: #182233;--panel-muted: #202c40;--ink: #f4f7fc;--body: #b4bece;--quiet: #8290a7;--line: #2b3950;--line-strong: #3b4a63;--brand: #60a5fa;--brand-deep: #bfdbfe;--brand-pale: #1d355d;--shadow: 0 14px 36px rgba(0, 0, 0, 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