*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit}a{color:inherit}img,svg{display:block;max-width:100%}:root{--color-bg: #ffffff;--color-text: #1d2733;--color-text-muted: #5a6877;--color-accent: #c8102e;--color-accent-hover: #a50d26;--color-accent-fg: #ffffff;--color-border: #dfe4ea;--color-success: #1f8a3b;--color-error: #b8241c;--color-warning: #b8761c;--color-surface: #f7f9fb;--color-surface-strong: #eef2f6;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--space-2xl: 64px;--shadow-sm: 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--content-max: 880px}