@charset "UTF-8";:root{--color-background: #f5f7fa;--color-block: #abe4ff;--color-primary: #4a90e2;--color-primary-light: #6ba3e8;--color-accent: #50c9ce;--color-warning: #fff3cd;--color-warning-border: #ffc107;--color-danger: #f44336;--color-success: #4caf50;--color-card-bg: #ffffff;--color-text-primary: #2c3e50;--color-text-secondary: #6c757d}*{box-sizing:border-box}html{font-size:100%}html.font-small{font-size:75%}html.font-large{font-size:137.5%}html.font-xlarge{font-size:150%}body{margin:0;padding:0;background-color:var(--color-background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:#333;font-size:var(--font-size-base);line-height:1.5}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#7ac4ff}