:root{--color-primary: #1a5276;--color-primary-light: #2980b9;--color-accent: #27ae60;--color-accent-light: #2ecc71;--color-warning: #e67e22;--color-danger: #c0392b;--color-bg: #f5f7fa;--color-surface: #ffffff;--color-text: #2c3e50;--color-text-light: #7f8c8d;--color-border: #dce1e8;--color-input-bg: #ffffff;--color-input-border: #bdc3c7;--color-input-focus: #2980b9;--radius: 8px;--radius-sm: 4px;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);--max-width: 1440px;--spacing: 1rem;--spacing-sm: .5rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem}*,*: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:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,Arial,sans-serif;color:var(--color-text);background-color:var(--color-bg);line-height:1.5;min-height:100vh}input,select,button{font-family:inherit;font-size:inherit}