:root{--color-bg:#f0f1f6;--color-surface:#fff;--color-text:#2c2c30;--color-text-secondary:#4a4a50;--color-text-muted:#86868b;--color-border:#d2d2d7;--color-accent:#06c;--color-accent-hover:#0055b3;--color-accent-subtle:#0066cc0f;--color-tag-bg:#f5f5f7;--shadow-sm:0 1px 3px #0000000a;--shadow-md:0 4px 10px #00000014;--radius:16px;--max-width:720px;--padding-x:1.5rem}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-wrap:break-word;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.5;overflow-x:clip}@media (max-width:768px){:root{--padding-x:1rem}body{padding-bottom:calc(4rem + env(safe-area-inset-bottom,0px))}}@media print{body{background:#fff!important;padding-bottom:0!important}}a{color:inherit}button{font-family:inherit}