*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;line-height:1.6;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background-color:var(--color-background);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root{--color-primary:#8B0000;--color-primary-light:#CD5C5C;--color-primary-dark:#4A0000;--color-secondary:#D2691E;--color-secondary-light:#F4A460;--color-secondary-dark:#8B4513;--color-background:#FEFEFE;--color-surface:#FFFFFF;--color-surface-dark:#F8F8F8;--color-text-primary:#2C2C2C;--color-text-secondary:#666666;--color-text-muted:#999999;--color-text-white:#FFFFFF;--color-success:#228B22;--color-warning:#FF8C00;--color-error:#DC143C;--color-border:#E0E0E0;--color-border-dark:#CCCCCC;--shadow-light:rgba(0, 0, 0, 0.1);--shadow-medium:rgba(0, 0, 0, 0.15);--shadow-dark:rgba(0, 0, 0, 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