:root{--color-bg: #ffffff;--color-surface: #fafafa;--color-text: #1a1a1a;--color-text-muted: #666666;--color-text-light: #999999;--color-border: #e0e0e0;--color-accent: #CC3333;--color-accent-hover: #b02d2d;--font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem;--max-width: 72rem;--content-width: 42rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.6}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-accent-hover)}button{font-family:inherit;cursor:pointer}img{max-width:100%;height:auto}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-lg)}.content-width{max-width:var(--content-width)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}