:root{color-scheme:light;--dm5-font-sans:"Microsoft YaHei",ui-sans-serif,system-ui,sans-serif;--dm5-color-bg:#e8f4fc;--dm5-color-surface:#fff;--dm5-color-text:#1a2b3c;--dm5-color-muted:#5a7080;--dm5-color-accent:#0077b6;--dm5-color-border:#b8d4e8;--dm5-space-2:.5rem;--dm5-space-3:.75rem;--dm5-space-4:1rem;--dm5-space-6:1.5rem;--dm5-radius-sm:.25rem;--dm5-page-width:75rem}