:root{--primary-color: #111729;--primary-hover: #1a2742;--bg-color: #f5f7f9;--text-color: #333;--text-secondary: #666;--border-color: #e8e8e8}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-color);color:var(--text-color)}#app{width:100%;height:100%;min-height:100vh}a{color:var(--primary-color);text-decoration:none}a:hover{color:var(--primary-hover)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}