:root{--color-primary:#1677ff;--color-success:#52c41a;--color-warning:#faad14;--color-error:#ff4d4f;--color-text-primary:rgba(0,0,0,.88);--color-text-secondary:rgba(0,0,0,.65);--color-bg-container:#fff;--color-bg-layout:#f5f5f5;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--border-radius-sm:4px;--border-radius-md:6px;--border-radius-lg:8px;--box-shadow-sm:0 1px 2px rgba(0,0,0,.03);--box-shadow-md:0 2px 8px rgba(0,0,0,.08);--box-shadow-lg:0 4px 16px rgba(0,0,0,.12)}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--color-bg-layout)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.25)}